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Immune activation, immunity, antibacterial activity

Posted in Biological Networks, Gene Regulation and Evolution, Federal Budget Appropriations, Genome Biology, Health Economics and Outcomes Research, Healthcare costs and reimbursement, Human Immune System in Health and in Disease, Infectious Disease & New Antibiotic Targets, Molecular Genetics & Pharmaceutical, Neutrophilia, Pharmaceutical Analytics, Pharmaceutical Discovery, Pharmaceutical Drug Discovery, Pharmaceutical R&D Investment, Pharmacogenomics, Platelet count disorder, Population Health Management, Genetics & Pharmaceutical, Prescription Drugs Costs, Proteomics, Regulated Clinical Trials: Design, Methods, Components and IRB related issues, Systemic Inflammatory Response Related Disorders, Technology Transfer: Biotech and Pharmaceutical, Translational Effectiveness, Translational Research, Translational Science, tagged 8-OXO dG, antimicrobial therapy, autoimmunity, cGAMP, DAMP, immune activation, innate immunity, microbiota, PAMPs, ribonuclease TREX1 on July 6, 2014| Leave a Comment »

Larry H. Bernstein, MD, FCAP, Curator

http://pharmaceuticalintelligence.com/6/7/2014/Immune activation, immunity, antibacterial activity

This segment is an update on activation of innate immunity, which has had a great amount of basic science resurgence in the last several decades.  It also addresses the issue of antibiotic resistance, which shall be covered more fully in later segments. Antimicrobial resistance is a growing threat, and a challenge to the pharmaceutical industry.  Moreover, worldwide travel increases the possibility of transfer of strains of virus and microbiota to distant communities.

 

8-OH-dG: A novel immune activator.

Innate immunity against viral or pathogenic infection involves sensing of non-self-molecules, otherwise known at pathogen-associated molecular patterns (PAMPs).  This same sensing mechanism can be applied to damaged self-molecules, which are called damage-associated molecular patterns (DAMPs).  One type of molecular pattern, for both groups, is cytosolic or extracellular DNA.  However, there is not an extensive amount of research showing specifically what type of DAMP DNA molecule is best at activating this immune sensing response.  A recent study investigated the mechanism behind how oxidized DNA from UV damage activates an immune sensing response.

A group of researchers found that, compared to a variety of types of cellular damage, damage from UV irradiation created a strong immune response (type I IFN response), seen across different types of immune regulatory cells.  This was compared with freeze/thaw, physical damage and nutritional deprivation, each of which did not produce a noticeable immune response. Additionally, this immune response was seen when DNA was exposed to UV-A and UV-B (the type of radiation produced by our sun) and UV-C radiation.

DNA can be damaged by UV light directly, or through reactive oxygen species (ROS) caused by UV light.  A well-known mark of DNA damaged by ROS is the oxidation of guanine to create 8-hydroxyguanine (8-OH-dG).  These researchers saw an increase in 8-OH-dG dependant on the level of UV dose, and this also correlated with an increase in immune response; showing that DNA damage created by UV light in the form of 8-OH-dG is sufficient to activate an immune response. This study shows that 8-OH-dG can be classified at a DAMP.

Next, this group wanted to place a mechanism to these observations. They found that the ability of oxidation-damaged DNA to activate an immune response was dependant on cGAS and STING.  Free DNA in the cytosol binds cGAS, a cGAMP synthase.  This action produces a messenger molecule which proceeds to bind to and activate STING, an endoplasmic reticulum protein.  STING activation will ultimately stimulate a type I IFN response.

When a cell’s own DNA is damaged, the cell’s machinery does all it can to repair it.  This sometimes involves erasing, or degrading, the DNA that has been damaged.  The enzyme, TREX1 exonuclease, has this job in a cell.  However, this group found that when DNA was modified with an 8-OH-dG, it was resistant to this degradation by TREX1.  This implies that the observed increase in immune response due to the presence of 8-OH-dG occurred because of an accumulation of damaged DNA, because it was not being degraded by TREX1 and could therefore sufficiently activate cGAS and STING.

This type of study has important implications for autoimmune diseases like lupus erythematosus (LE), which is characterized by its abnormally high number of autoantibodies against DNA.  It is possible that this uncontrollable immune response is activated by oxidation-damaged DNA.  Studies in this area, therefore, hold great importance.

– See more at: http://www.stressmarq.com/Blog/November-2013/8-OH-dG-A-novel-immune-activator.aspx#sthash.CvSdK0H1.dpuf

 

Oxidative Damage of DNA Confers Resistance to Cytosolic Nuclease TREX1 Degradation and Potentiates STING-Dependent Immune Sensing

Nadine Gehrke, Christina Mertens, Thomas Zillinger, Jörg Wenzel,…,Winfried Barchet

DOI: http://dx.doi.org/10.1016/j.immuni.2013.08.004

Highlights

• •UV or ROS damage potentiates immunorecognition of DNA via cGAS and STING
• •The oxidation product 8-OHG in DNA is sufficient for enhanced immunorecognition
• •Oxidized self-DNA acts as a DAMP and induces skin lesions in lupus-prone mice
• •Oxidized DNA is resistant to cytosolic nuclease TREX1-mediated degradation

Summary

Immune sensing of DNA is critical for antiviral immunity but can also trigger autoimmune diseases such as lupus erythematosus (LE). Here we have provided evidence for the involvement of a damage-associated DNA modification in the detection of cytosolic DNA. The oxidized base 8-hydroxyguanosine (8-OHG), a marker of oxidative damage in DNA, potentiated cytosolic immune recognition by decreasing its susceptibility to 3′ repair exonuclease 1 (TREX1)-mediated degradation. Oxidizative modifications arose physiologically in pathogen DNA during lysosomal reactive oxygen species (ROS) exposure, as well as in neutrophil extracellular trap (NET) DNA during the oxidative burst. 8-OHG was also abundant in UV-exposed skin lesions of LE patients and colocalized with type I interferon (IFN). Injection of oxidized DNA in the skin of lupus-prone mice induced lesions that closely matched respective lesions in patients. Thus, oxidized DNA represents a prototypic damage-associated molecular pattern (DAMP) with important implications for infection, sterile inflammation, and autoimmunity.

ribonuclease TREX1 and immunity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Immunity 19 Sep 2013;39(3), p482–495,

New Weapon in Fight Against ‘Superbugs’

Some harmful bacteria are increasingly resistant to treatment with antibiotics. A discovery might be able to help the antibiotics treat the disease.

By  ANN LUKITS  June 30, 2014 8:47 p.m. ET

 

Some harmful bacteria are increasingly resistant to treatment with antibiotics. This common fungus found in soil might be able to help the antibiotics combat diseases. Corbis

A soil sample from a national park in eastern Canada has produced a compound that appears to reverse antibiotic resistance in dangerous bacteria.

 

 

 

 

 

 

 

 

 

 

 

 

Scientists at McMaster University in Ontario discovered that the compound almost instantly turned off a gene in several harmful bacteria that makes them highly resistant to treatment with a class of antibiotics used to fight so-called superbug infections. The compound, called aspergillomarasmine A, or AMA, was extracted from a common fungus found in soil and mold.

Antibiotic resistance is a growing public-health threat. Common germs such asEscherichia coli, or E. coli, are becoming harder to treat because they increasingly don’t respond to antibiotics. Some two million people in the U.S. are infected each year by antibiotic-resistant bacteria and 23,000 die as a result, according to the Centers for Disease Control and Prevention. The World Health Organization has called antibiotic resistance a threat to global public health.

The Canadian team was able to disarm a gene—New Delhi Metallo-beta-Lactamase-1, or NDM-1—that has become “public enemy No. 1” since its discovery in 2009, says Gerard Wright, director of McMaster’s Michael G. DeGroote Institute for Infectious Disease Research and lead researcher on the study. The report appears on the cover of this week’s issue of the journal Nature.

“Discovery of a fungus capable of rendering these multidrug-resistant organisms incapable of further infection is huge,” says Irena Kenneley, a microbiologist and infectious disease specialist at Frances Payne Bolton School of Nursing at Cleveland’s Case Western Reserve University. “The availability of more treatment options will ultimately save many more lives,” says Dr. Kenneley, who wasn’t involved in the McMaster research.

The McMaster team plans further experiments to determine the safety and effective dosage of AMA. It could take as long as a decade to complete clinical trials on people with superbug infections, Dr. Wright says.

The researchers found that AMA, extracted from a strain of Aspergillus versicolor and combined with a carbapenem antibiotic, inactivated the NDM-1 gene in three drug-resistant superbugs—Enterobacteriaceae, a group of bacteria that includes E. coli;Acenitobacter, which can cause pneumonia and blood infections; and Pseudomonas, which often infect patients in hospitals and nursing homes. The NDM-1 gene encodes an enzyme that helps bacteria become resistant to antibiotics and that requires zinc to survive. AMA works by removing zinc from the enzyme, freeing the antibiotic to do its job, Dr. Wright says. Although AMA was only tested on carbapenem-resistant bacteria, he expects the compound would have a similar effect when combined with other antibiotics.

AMA was first identified in the 1960s in connection with leaf wilt in plants and later investigated as a potential drug for treating high blood pressure. The compound turned up in Dr. Wright’s lab a few years ago during a random screening of organisms derived from 10,000 soil samples stored at McMaster. The sample that produced AMA was collected by one of Dr. Wright’s graduate students during a visit to a Nova Scotia park. It was the only sample of 500 tested that inhibited NDM-1 in cell cultures.

“It was a lucky hit,” says Dr. Wright. “It tells us that going back to those environmental organisms, where we got antibiotics in the first place, is a really good idea.”

The McMaster team developed a purified form of AMA for experiments on mice injected with a lethal form of drug-resistant pneumonia. Treatment with either AMA or a carbapenem antibiotic alone proved ineffective. But combining the substances resulted in more than 95% of the mice still being alive after five days. The combination was also tested on 229 cell cultures from human patients infected with resistant superbugs. The treatment resensitized 88% of the samples to carbapenem.

Still, bacteria could someday find a way to outwit AMA. “I can’t imagine anything we could make where resistance would never be an issue,” he says. “At the end of the day, this is evolution and you can’t fight evolution.”

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Activation of Efficient and Multiple Site-specific Nonstandard Amino Acid Incorporation

Posted in Biological Networks, Gene Regulation and Evolution, Biomarkers & Medical Diagnostics, Cell Biology, Signaling & Cell Circuits, Chemical Genetics, Cytoskeleton, De novo synthesis, Disease Biology, Small Molecules in Development of Therapeutic Drugs, Drug Toxicity, Evolutionary cognition, Experimental validation, Glycobiology: Biopharmaceutical Production, Pharmacodynamics and Pharmacokinetics, Immunodiagnostics, Infectious Disease & New Antibiotic Targets, Infectious Disease Immunodiagnostics, Innovation in Immunology Diagnostics, Molecular Genetics & Pharmaceutical, Pharmaceutical Analytics, Pharmacologic toxicities, Population Health Management, Genetics & Pharmaceutical, Proteomics, Systemic Inflammatory Response Related Disorders, Technology Advance Assessment of, Technology Transfer: Biotech and Pharmaceutical, Translational Effectiveness, Translational Research, Translational Science, tagged activation of biosynthesis, amino acid incorporation, Cell-free Protein Synthesis, chemical and biological engineering, incorporation of nonstandard AAs, Multiple Site-specific Nonstandard Amino Acid Incorporation, Release Factor 1, Synthetic biology on June 20, 2014| Leave a Comment »

Larry Bernstein, MD, FCAP

http://pharmaceuticalintelligence.com/6-19-3014/larryhbern/Activation of Efficient and Multiple Site-specific Nonstandard Amino Acid Incorporation

 

Cell-free Protein Synthesis from a Release Factor 1 Deficient Escherichia coli Activates Efficient and Multiple Site-specific Nonstandard Amino Acid Incorporation

Seok Hoon Hong †‡, Ioanna Ntai ‡§, Adrian D. Haimovich #, Neil L. Kelleher ‡§, Farren J. Isaacs #, and Michael C. Jewett *†‡

^†Department of Chemical and Biological Engineering,^‡Chemistry of Life Processes Institute, ^§Department of Chemistry, and Department of Molecular Biosciences,Northwestern University, Evanston, Illinois 60208,United States of America

Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, Connecticut 06520, United States of America

^# Systems Biology Institute, Yale University, West Haven, Connecticut 06516, United States of America

Member, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Illinois 60611, United States of America

Institute of Bionanotechnology in Medicine, Northwestern University, Chicago, Illinois 60611, United States of America

ACS Synth. Biol., 2014, 3 (6), pp 398–409

DOI: 10.1021/sb400140t

Publication Date (Web): December 13, 2013

Copyright © 2013 American Chemical Society

*Tel: +1 847 467 5007. Fax (+1) 847 491 3728. E-mail: m-jewett@northwestern.edu

Site-specific incorporation of nonstandard amino acids (NSAAs) into proteins

 

 

 

 

 

 

 

 

 

Site-specific incorporation of nonstandard amino acids (NSAAs) into proteins enables the creation of biopolymers, proteins, and enzymes with new chemical properties, new structures, and new functions. To achieve this, amber (TAG codon) suppression has been widely applied. However, the suppression efficiency is limited due to the competition with translation termination by release factor 1 (RF1), which leads to truncated products. Recently, we constructed a genomically recoded Escherichia coli strain lacking RF1 where 13 occurrences of the amber stop codon have been reassigned to the synonymous TAA codon (rEc.E13.ΔprfA). Here, we assessed and characterized cell-free protein synthesis (CFPS) in crude S30 cell lysates derived from this strain. We observed the synthesis of 190 ± 20 μg/mL of modified soluble superfolder green fluorescent protein (sfGFP) containing a single p-propargyloxy-l-phenylalanine (pPaF) or p-acetyl-l-phenylalanine. As compared to the parentrEc.E13 strain with RF1, this results in a modified sfGFP synthesis improvement of more than 250%. Beyond introducing a single NSAA, we further demonstrated benefits of CFPS from the RF1-deficient strains for incorporating pPaF at two- and five-sites per sfGFP protein. Finally, we compared our crude S30 extract system to the PURE translation system lacking RF1. We observed that our S30 extract based approach is more cost-effective and high yielding than the PURE translation system lacking RF1, 1000 times on a milligram protein produced/$ basis. Looking forward, using RF1-deficient strains for extract-based CFPS will aid in the synthesis of proteins and biopolymers with site-specifically incorporated NSAAs.

Keywords: 

cell-free protein synthesis; PURE translation; nonstandard amino acid;release factor 1; genomically recoded organisms

 

 

 

 

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Tang Prize for 2014: Immunity and Cancer

Posted in CANCER BIOLOGY & Innovations in Cancer Therapy, Discovery process, Disease Biology, Small Molecules in Development of Therapeutic Drugs, Drug Toxicity, Evolutionary cognition, Experimental validation, Human Immune System in Health and in Disease, International Global Work in Pharmaceutical, Monoclonal Immunotherapy, Pharmaceutical Analytics, Pharmacologic toxicities, Proteomics, Technology Transfer: Biotech and Pharmaceutical, Translational Effectiveness, Translational Research, Translational Science, tagged Cancer - General, Cancer immunology, chemical structure, chemo regimens, chemoresistance, immunosupression, research, T-cell biology, therapeutic toxicity reduction, Translational Research on June 20, 2014| Leave a Comment »

Tang Prize for 2014: Immunity and Cancer

Curator: Larry Bernstein, MD, FCAP

 

 

2014 Tang Prize in Biopharmaceutical Sciences awards to James P. Allison and Tasuku Honjo For the discoveries of CTLA-4 and PD-1 as immune inhibitory molecules that led to their applications in cancer immunotherapy 2014/06/19.

Founded by Dr. Samuel Yin in December 2012, the Tang Prize recognizes scholars conducting revolutionary research in the four major fields of Sustainable Development, Biopharmaceutical Science, Sinology, and the Rule of Law. The Prize is awarded with each category a cash reward of over US$1 million (NT$50 million). The Tang Prize Foundation hopes that recipients of the Prize will continue to innovate while cultivating and nurturing new talent in their respective fields.
Academia Sinica was commissioned by the Tang-Prize Foundation to administer the selection of Tang-Prize Laureates for the category of Biopharmaceutical Science, recognizing original biopharmaceutical or biomedical research that has led to significant advances towards preventing, diagnosing and/or treating major human diseases to improve human health.
James P. Allison and Tasuku Honjo were chosen among nearly a hundred nominees for their discoveries of CTLA-4 and PD-1 as immune inhibitory molecules, revealing ways to harness our incredibly powerful immune system to fight cancer and marking the beginning of the immunotherapy revolution.
A critical process in the immune response involves presentation of antigens to T cells by antigen-presenting cells, two key cell types in our immune system. This process is highly regulated by molecules that stimulate the response to ensure our mounting a sufficient immune response, especially in the event of invasion by pathogens, but also by molecules that inhibit the process to ensure the response is not excessive. Indeed, there is now a family of proteins on T cells involved in this regulatory process, which is designated the “CD28 receptor family” co-receptors, as CD28 is the first protein identified to have such function. They are divided into co-receptors transmitting stimulatory signals and co-receptors transmitting inhibitory signals. Each of these has its counterpart (ligand) on antigen-presenting cells belonging to the “B7 family”. Two most prominent inhibitory receptors on T cells are called CTLA-4 (cytotoxic T lymphocyte antigen-4, as it is first identified on cytotoxic T lymphocytes) and PD-1 (program death-1, as it is first identified to be associated with a type of cell death process called programmed cell death). Their ligands are designated as B7-1/B7-2 and PD-L1/PD-L2, respectively. These are also referred to as immune checkpoint receptors and ligands.
Our immune system is not perfect and at times, the regulatory mechanisms might be faulty, which in fact may be the basis of a variety of diseases. For example, autoimmune diseases may be related to the suppressive mechanism becoming weak and the individuals can mount excessive immune responses even to their own cells and tissues. Also, our immune system is capable of recognizing cancer cells and attacking them, in a process called immune surveillance. However, cancer cells are also equipped with machineries to evade the host anti-tumor activity, which is described as immune escape. For example, cancer cells can also express B7 family ligands on their surfaces and, by engaging the co-receptors transmitting inhibitory signals on T cells, they can inhibit the host anti-tumor T cell activity. By recognizing how cancer cells escape the immune surveillance, scientists have developed novel approaches to interfere with the ability of cancer cells to suppress the immune response, thus enhancing the ability of the host immune system to inhibit cancer cell growth.
Dr. James Allison, Chairman, Department of Immunology and Executive Director, Immunotherapy Platform at the University of Texas, MD Anderson Cancer Center, is one of two scientist to identify CTLA-4 as an inhibitory receptor on T-cells in 1995 and was the first to recognize it as a potential target for cancer therapy.  His team then developed an antibody that blocks CTLA-4 activity and showed in 1996 that this antibody is able to help reject several different types of tumors in mouse models. This subsequently led to development of a monoclonal antibody drug, which has undergone clinical trials against stage 4 melanoma and been approved for treatment of melanoma by the U.S. FDA in 2011.
Dr. Tasuku Honjo, Professor, Department of Immunology and Genomic Medicine, Kyoto University, discovered PD-1 in 1992. His group subsequently established that PD-1 is an inhibitor regulator of the T cell response. Additional studies from his and other laboratories established that this protein plays a critical role in the regulation of tumor immunity and stimulated many groups to generate its blocker for the treatment of cancer. Antibodies against PD-1 have been approved by the U.S. FDA as an investigational new drug and developed for the treatment of cancer. One such antibody produced complete or partial responses in non-small-cell lung cancer, melanoma, and renal-cell cancer in clinical trials, and is predicted to be launched in 2015 for treatment of non-small cell lung cancer; this has been stated by some as having the potential to “change the landscape” of the treatment for lung cancer. Another antibody, shown to achieve a substantial response rate also in patients with non-small cell lung cancer, is currently in clinical trial for many types of cancers. In addition, combination therapy (anti-CTLA-4 plus anti-PD-1) has been shown to dramatically improve the long-term survival rates in cancer patients.
This is an exciting time in our fight against cancer. The discoveries by Dr. Allison and Dr. Honjo have spurred additional development of therapeutic approaches along the line of immunotherapy and brought new hope that many types of cancers can be cured.
In addition, dysregulation in immune checkpoint pathways may be intimately involved in other illnesses, such as allergy, infectious diseases, and autoimmune diseases. Thus, the approach of targeting immune stimulatory and inhibitory molecules also promises to lead to the development of new therapies for these diseases.
Dr. Allison’s and Dr. Honjo’s discoveries have opened a new therapeutic era in medicine.

 

Supplementary figure:

unleashes immune system to attack cancer cells

 

 

 

 

 

 

 

 

 

 

 

 

 

Dr. Samuel Yin, founder of the Tang Prize, is currently chairman of the Ruentex Group and chief development officer, chief technology officer, and chief engineer of Ruentex Construction & Development. He is also an adjunct professor in the department of civil engineering at National Taiwan University and a professor at Peking University, where he advises PhD students.

Dr. Yin read history at Chinese Culture University. He received a master’s degree in business administration at National Taiwan University and a doctorate in business administration at National Chengchi University.

In addition to his academic background in the humanities and business administration, Dr. Yin’s great interest in and devotion to interdisciplinary studies have made him an award-winning civil engineer and educator.

In 2004, Dr. Yin was named fellow of the Chinese Institute of Civil and Hydraulic Engineering. In 2008, he was invited to join Russia’s International Academy of Engineering and also awarded the Engineering Prowess Medal, the academy’s highest honour. In 2010, Dr. Yin received the Henry L. Michel Award for Industry Advancement of Research by the prestigious American Society of Civil Engineers (ASCE) for his contribution in the area of construction technology research. He was the first person without an academic background in engineering to receive the award.

Driven by a firm belief that he should give back to the society that has enabled him to achieve so much, Dr. Yin has been investing in philanthropy and education for a long time, in the hope of creating a positive force in society and making a better world.

Dr. Yin’s biggest dream was to set up an international award. He has long had great respect and admiration for the Nobel Prize, so he established an award modeled on the Nobel. The Tang Prize rewards excellent research in the areas of Sustainable Development, Biopharmaceutical Science, Sinology (excluding literary works), and Rule of Law. Dr. Yin hopes to encourage experts to dedicate themselves to innovative research in these fields and to spur human development with first-class research.

Dr. Yin’s relentless enthusiasm for philanthropy was instilled through his upbringing, particularly the example set by his late father Yin Shu-Tien. Dr. Yin established a foundation in memory of his grandfather, Yin Xun-Ruo, to provide scholarships to students of families originating in Shandong Province to study Chinese literature and history. When Yin senior passed away, Dr. Yin also set up the Kwang-Hua Education Foundation to help with China’s higher education programs.

In the past few years, Dr. Yin has set up a number of foundations to serve people on both sides of the Taiwan Strait and to foster more talented people for the nation (the Yin Xun-Ruo Educational Foundation, the Yin Shu-Tien Medical Foundation, the Kwang-Hua Education Foundation, and the Guanghua School of Management of Peking University). In 2012, Dr. Yin set up a global award, the Tang Prize, to spread his philanthropy across the world.

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Can Mobile Health Apps Improve Oral-Chemotherapy Adherence? The Benefit of Gamification.

Posted in Bio Instrumentation in Experimental Life Sciences Research, CANCER BIOLOGY & Innovations in Cancer Therapy, Cancer Prevention: Research & Programs, Curation, Diabetes Mellitus, FDA Regulatory Affairs, Health Economics and Outcomes Research, Healthcare costs and reimbursement, HealthCare IT, Interviews with Scientific Leaders, ISO 10993 for Product Registration: FDA & CE Mark for Development of Medical Devices and Diagnostics, Medical Device Therapies for Altzheimer’s Disease, Medical Devices R&D Investment, Personal Health Applications: Tech Innovations serves HealhCare, Translational Effectiveness, tagged #mhealth, #mobilehealth, Cancer - General, cancer patient management, Chemotherapy, compliance issues, Conditions and Diseases, health, Health Information Technology, HIIPA compliance, mobile applications, oncology, oral chemotherapy, patient adherence on June 17, 2014| Leave a Comment »

Can Mobile Health Apps Improve Oral-Chemotherapy Adherence? The Benefit of Gamification.

Reporter: Stephen J. Williams, PhD

Article ID #144: Can Mobile Health Apps Improve Oral-Chemotherapy Adherence? The Benefit of Gamification. Published on 6/17/2014

WordCloud Image Produced by Adam Tubman

A report on how gamification mobile applications, like CyberDoctor’s PatientPartner, may improve patient adherence to oral chemotherapy.

(includes interviews with CyberDoctor’s CEO Akhila Satish and various oncologists)

 

Writer/Curator: Stephen J. Williams, Ph.D.

UPDATE 5/15/2019

Please see below for an UPDATE on this post including results from the poll conducted here on the value of a gamification strategy for oral chemotherapy patient adherence as well as a paper describing a well designed development of an application specifically to address this clinical problem.

Studies have pointed to a growing need to monitor and improve medical adherence, especially with outpatient prescription drugs across many diseases, including cancer.

The trend to develop oral chemotherapies, so patients can take their medications in the convenience of their home, has introduced produced a unique problem concerning cancer patient-medication adherence. Traditionally, chemotherapies were administered by a parental (for example intravenous) route by clinic staff, however, as noted by Jennifer M Gangloff in her article Troubling Trend: Medication Adherence:

 

with the trend of cancer patients taking their oral medication at home, the burden of adherence has shifted from clinicians to the patients and their families.

 

A few highlights from Jennifer Gangloff’s article highlight the degree and scope of the problem:

 

1. There is a wide range of adherence for oral chemo– as low as 16% up to 100% adherence rates have been seen in multiple studies
2. High cost in lives and money: estimates in US of 125,000 deaths and $300 billion in healthcare costs due to nonadherence to oral anticancer medications
3. Factors not related to the patient can contribute to nonadherence including lack of information provided by the healthcare system and socioeconomic factors
4. Numerous methods to improve adherence issues (hospital informative seminars, talking pill bottles, reminder phone calls etc.) have met with mixed results.

 

A review by Steve D`Amato of published literature also highlights the extent of problems with highly variable adherence rates including

• 17-27% for hematologic malignancies
• 53-98% for breast cancer
• 97% for ovarian cancer

More strikingly, patient adherence rates can drastically decline over treatment, with one study showing an adherence rate drop from 87% to 50% over 4 years of adjuvant tamoxifen therapy.

 

Tackling The Oral Chemotherapy-Patient Adherence Problem

 

Documented factors leading to non-adherence to oral oncology medications include

1. Patient feels better so stop taking the drug
2. Patient feels worse so stops taking the drug
3. Confusing and complicated dosing regimen
4. Inability to afford medications
5. Poor provider-patient relationships
6. Adverse effects of medication
7. Cognitive impairment (“chemo fog”; mental impairment due to chemotherapy
8. Inadequate education/instruction of discharge

There are many examples of each reason why a patient stopped taking medication. One patient was prescribed capecitabine for her metastatic breast cancer and, upon feeling nausea, started to use antacids, which precipitated toxicities as a result of increased plasma levels of capecitabine.

In a white paper entitled Oral Oncology Treatment Regimens and the Role of Medication Therapy Management on Patient Adherence and Compliance, David Reese, Vice President Oncology at Tx Care Advantage discus how Medication Therapy Management (MTM) programs could intervene to improve medical adherence in both the oncology and non-oncology setting.

This review also documented the difficulties in accurately measuring patient adherence including:

• Inaccuracy of self-reporting
• Lack of applicability of external measurements such as pill counts
• Hawthorne effect: i.e. patient pill documentation reminds them to take next dose

The group suggests that using MTM programs, especially telephony systems involving oncology nurses and pharmacists and utilizing:

• Therapy support (dosing reminders)
• Education
• Side effect management

 

may be a cost-efficient methodology to improve medical adherence.

 

Although nurses are important intermediary educating patients about their oral chemotherapies, it does not appear that solely relying on nurses to monitor patient adherence will be sufficient, as indicated in a survey-based Japanese study.

As reported in May 12, 2014 | Oncology Nursing By Leah Lawrence

 

Systematic Nurse Involvement Key as Oral Chemotherapy Use Grows– at: http://www.cancernetwork.com/oncology-nursing/systematic-nurse-involvement-key-oral-chemotherapy-use-grows

 

Survey results indicated that 90% of nurses reported asking patients on oral chemotherapy about emergency contacts, side effects, and family/friend support. Nurses also provided patients with education materials on their assigned medication.

However, less than one-third of nurses asked if their patients felt confident about managing their oral chemotherapy.

“Nurses were less likely to ask adherence-related questions of patients with refilled prescriptions than of new patients,” the researchers wrote. “Regarding unused doses of anticancer agents, 35.5% of nurses reported that they did not confirm the number of unused doses when patients had refilled prescriptions.”

From the Roswell Park Cancer Institute blog post Making Mobile Health Work

https://www.roswellpark.org/partners-practice/white-papers/making-mobile-health-work

US physicians are recognizing the need for the adoption of mobile in their practice but choice of apps and mobile strategies must be carefully examined before implementation. In addition, most physicians are using mobile communications as a free-complementary service and these physicians are not being reimbursed for their time.

 

Some companies are providing their own oncology-related mobile app services:

CollabRx Announces Oncology-Specific Mobile App with Leading Site for Healthcare Professionals, MedPage Today

(http://www.collabrx.com/collabrx-announces-oncology-specific-mobile-app-with-leading-site-for-healthcare-professionals-medpage-today/)

San Francisco, August 13, 2013 – CollabRx, Inc. (NASDAQ: CLRX), a healthcare information technology company focused on informing clinical decision making in molecular medicine, today announced a multi-year agreement with Everyday Health’s MedPage Today. The forthcoming app, which will target oncologists and pathologists, will focus on the molecular aspects of laboratory testing and therapy development. Over time, the expectation is that this app will serve as a comprehensive point of care resource for physicians and patients to obtain highly credible, expert-vetted and dynamically updated information to guide cancer treatment planning.

The McKesson Foundation’s Mobilizing for Health initiative

has awarded a grant to Partners HealthCare’s Center for Connected Health to develop a mobile health program that uses a smartphone application to help patients with cancer adhere to oral chemotherapy treatments and monitor their symptoms, FierceMobileHealthcare reports.

 

CancerNet announces mobile application (from cancer.net)

http://www.cancer.net/navigating-cancer-care/managing-your-care/mobile-applications

 

However, there is little evidence that the plethora of cancer-based apps is providing any benefit with regard to patient outcome or adherence, as reported in to an article in the Journal of Medical Internet Research, reported at FierceMobileHealthcare (Read more: Cancer smartphone apps for consumers lack effectiveness – FierceMobileHealthcare http://www.fiercemobilehealthcare.com/story/cancer-smartphone-apps-consumers-lack-effectiveness/2013-12-26#ixzz34ucdxVcU )

The report suggests that there are too many apps either offering information, suggesting behavior/lifestyle changes, or measuring compliance data but little evidence to suggest any of these are working the way they intended. The article suggests the plethora of apps may just be adding to the confusion.

Johnson&Johnson’s Wellness & Prevention unit has launched a health-tracking app Track Your Health. Although the company considers it a “gamification“ app, Track Your Health© operates to either feed data from other health tracking apps or allow the user to manually input data.
Read more: J&J launches ‘quantified self’ app to game patients into better behavior – FiercePharmaMarketing http://www.fiercepharmamarketing.com/story/jj-launches-quantified-self-app-game-patients-better-behavior/2014-05-28#ixzz34uhFDJr2

Even ASCO has a list of some oncology-related apps (http://connection.asco.org/commentary/article/id/3123/favorite-hematology-oncology-apps.aspx) and

NIH is offering grants for oncology-related app development (https://www.linkedin.com/groupItem?view=&gid=72923&type=member&item=5870221695683424259&qid=dbf53031-dd21-443c-9152-fad87f85d200&trk=groups_most_popular-0-b-ttl&goback=.gmp_72923)
As reports and clinicians have stated, we need health outcome data and clinical trials to determine the effective of these apps.

MyCyberDoctor™, a True Gamification App, Shows Great Results in Improving Diabetics Medical Adherence and Health Outcome

 

Most of the mobile health apps discussed above, would be classified as tracking apps, because the applications simply record a patient’s actions, whether filling a prescription, interacting with a doctor, nurse, pharmacist, or going to a website to gain information. However, as discussed before, there is no hard evidence this is really impacting health outcomes.

 

Another type of application, termed gamification apps, rely on role-playing by the patient to affect patient learning and ultimately behavior.

An interested twist on this method was designed by Akhila Satish, CEO and developer of CyberDoctor and a complementary application PatientPartner.

 

 

Ms. Akhila Satish, CEO CyberDoctor

 

 

 

 

 

 

 

Please watch video of interview with Akhila Satish, CEO of CyberDoctor at the Health 2.0 conference http://vimeo.com/51695558

 

And a video of the results of the PatientPartner clinical trial here: http://vimeo.com/79537738

 

As reported here, the PatientPartner application was used in the first IRB-approved mhealth clinical-trial to see if the gamification app could improve medical adherence and outcomes in diabetic patients. PatientPartner is a story-driven game in changing health behavior and biomarkers (blood glucose levels in this trial). In the clinical trial, 100 non-adherent patients with diabetes played the PatientPartner game for 15 minutes. Results were amazing, as the trial demonstrated an increase in patient adherence, with only 15 minutes of game playing.

Results from the study

Patients with diabetes who used PatientPartner showed significant improvement in three key areas – medication, diet, and exercise:

• Medication adherence increased by 37%, from 58% to 95% – equivalent to three additional days of medication adherence per week.
• Diet adherence increased by 24% – equivalent to two days of additional adherence a week.
• Exercise adherence increased by 14% – equivalent to one additional day of adherence per week.
• HbA1c (a blood sugar measure) decreased from 10.7% to 9.7%.

As mentioned in the article:

The unique, universal, non-disease specific approach allows PatientPartner to be effective in improving adherence in all patient populations.

PatientPartner is available in the iTunes store and works on the iPhone and iPod Touch. For information on PatientPartner, visit www.mypatientpartner.com.

Ms. Satish, who was named one of the top female CEO’s at the Health Conference, gratuitously offered to answer a few questions for Leaders in Pharmaceutical Business Intelligence (LPBI) on the feasibility of using such a game (role-playing) application to improve medical adherence in the oncology field.

LPBI: The results you had obtained with patient-compliance in the area of diabetes are compelling and the clinical trial well-designed.  In the oncology field, due to the increase in use of oral chemotherapeutics, patient-compliance has become a huge issue. Other than diabetes, are there plans for MyCyberDoctor and PatientPartner to be used in other therapeutic areas to assist with patient-compliance and patient-physician relations?

Ms. Satish: Absolutely! We tested the application in diabetes because we wanted to measure adherence from an objective blood marker (hbA1c). However, the method behind PatientPartner- teaching patients how to make healthy choices- is universal and applicable across therapeutic areas. 

LPBI: Recently, there have been a plethora of apps developed which claim to impact patient-compliance and provide information. Some of these apps have been niche (for example only providing prescription information but tied to pharmacy records and company databases). Your app seems to be the only one with robust clinical data behind it and approaches from a different angle, namely adjusting behavior using a gamefying experience and teaching the patient the importance of compliance. How do you feel this approach geared more toward patient education sets PatientPartner apart from other compliance-based apps?

Ms. Satish: PatientPartner really focuses on the how of patient decision making, rather than the specifics of each decision that is made. It’s a unique approach, and part of the reason PatientPartner works so effectively with such a short initial intervention! We are able to achieve more with less “app” time as a result of this method.  

LPBI: There have been multiple studies attempting to correlate patient adherence, decision-making, and health outcome to socioeconomic status. In some circumstances there is a socioeconomic correlation while other cases such as patient-decision to undergo genetic testing or compliance to breast cancer treatment in rural areas, level of patient education may play a bigger role. Do you have data from your diabetes trial which would suggest any differences in patient adherence, outcome to any socioeconomic status? Do you feel use of PatientPartner would break any socioeconomic barriers to full patient adherence?

Ms. Satish: Within our trial, we had several different clinical sites. This helped us test the product out in a broad, socioeconomically diverse population. It is our hope that with a tool as easy to scale and use as PatientPartner we have the opportunity to see the product used widely, even in populations that are traditionally harder to reach.  

LPBI: There has been a big push for the development of individual, personalized physician networks which use the internet as the primary point of contact between a primary physician and the patient. Individuals may sign up to these networks bypassing the traditional insurance-based networks. How would your application assist in these types of personalized networks?

Ms. Satish: PatientPartner can easily be plugged into any existing framework of communication between patient and provider. We facilitate patient awareness, engagement and accountability- all of which are important regardless of the network structure.

LBPI: Thank you Akhila!

A debate has begun about regulating mobile health applications, and although will be another post, I would just like to summarize a nice article in May, 2014 Oncology Times by Sarah Digiulo “Mobile Health Apps: Should They be Regulated?

In general, in the US there are HIPAA regulations about the dissemination of health related information between a patient and physician. Most of the concerns are related to personal health information made public in an open-access platform such as Twitter or Facebook.

In addition, according to Dr. Don Dizon M.D., Director of the Oncology Sexual Health Clinic at Massachusetts General Hospital, it may be more difficult to design applications directed against a vast, complex disease like cancer with its multiple subtypes than for diabetes.

 

Mobile Health Applications on Rise in Developing World: Worldwide Opportunity

 

According to International Telecommunication Union (ITU) statistics, world-wide mobile phone use has expanded tremendously in the past 5 years, reaching almost 6 billion subscriptions. By the end of this year it is estimated that over 95% of the world’s population will have access to mobile phones/devices, including smartphones.

This presents a tremendous and cost-effective opportunity in developing countries, and especially rural areas, for physicians to reach patients using mHealth platforms.

Drs. Clara Aranda-Jan Neo Mohutsiwa and Svetla Loukanova had conducted a systematic review of the literature on mHealth projects conducted in Africa[1] to assess the reliability of mobile phone and applications to assist in patient-physician relationships and health outcomes. The authors reviewed forty four studies on mHealth projects in Africa, determining their:

• strengths
• weaknesses
• opportunities
• threats

to patient outcomes using these mHealth projects. In general, the authors found that mHealth projects were beneficial for health-related outcomes and their success related to

• accessibility
• acceptance and low-cost
• adaptation to local culture
• government involvement

while threats to such projects could include

• lack of funding
• unreliable infrastructure
• unclear healthcare system responsibilities

Dr.Sreedhar Tirunagari, an oncologist in India, agrees that mHealth, especially gamification applications could greatly foster better patient education and adherencealthough he notes that mHealth applications are not really used in India and may not be of much use for those oncology patients living in rural areas, as  cell phone use is not as prevalent as in the bigger inner cities such as Delhi and Calcutta.

 

Dr. Louis Bretes, an oncologist from Portugal, when asked

1) do you see a use for such apps which either track drug compliance or use gamification systems to teach patients the importance of continuing their full schedule of drug therapy

2) do you feel patient- drug compliance issues in the oncology practice is due to lack of information available to the patient or issues related to drug side effects?

“I think that Apps could help in this setting, we are in
Informatics era but..
The main question is that chronic patients are special ones.
Cancer patients have to deal with prognosis, even in therapies
with curative intent such as aromatase inhibitors are potent
Drugs that can cure; only in the future the patients know.
But meanwhile he or she has to deal with side-effects every day. A PC can help but suffer this symptoms…it. Is a real problem believe me!”

“The main app is his/her doctor”

I would like to invite all oncologists to answer the poll question ABOVE about the use of such gamification apps, like PatientPartner, for improving medical adherence to oral chemotherapy.

UPDATE 5/15/2019

The results of the above poll, although limited, revealed some interesting insights.  Although only five oncologists answered the poll whether they felt gamification applications could help with oral chemotherapy patient adherence, all agreed it would be worthwhile to develop apps based on gamification to assist in the outpatient setting.  In addition, one oncologist felt that the success of mobile patient adherence application would depend on the type of cancer.  None of the oncologist who answered the survey thought that gamification apps would have no positive effect on patient adherence to their chemotherapy.  With this in light, a recent paper by Joel Fishbein of University of Colorado and Joseph Greer from Massachusetts General Hospital, describes the development of a mobile application, in clinical trial, to promote patient adherence to their oral chemotherapy.

 

Mobile Applications to Promote Adherence to Oral Chemotherapy and Symptom Management: A Protocol for Design and Development

 

Mobile Application to Promote Adherence to Oral Chemotherapy and Symptom Management: A Protocol for Design and Development. Fishbein JN, Nisotel LE, MacDonald JJ, Amoyal Pensak N, Jacobs JM, Flanagan C, Jethwani K Greer JA. JMIR Res Protoc. 2017 Apr 20;6(4):e62. doi: 10.2196/resprot.6198. 

 

Abstract 

BACKGROUND:

Oral chemotherapy is increasingly used in place of traditional intravenous chemotherapy to treat patients with cancer. While oral chemotherapy includes benefits such as ease of administration, convenience, and minimization of invasive infusions, patients receive less oversight, support, and symptom monitoring from clinicians. Additionally, adherence is a well-documented challenge for patients with cancer prescribed oral chemotherapy regimens. With the ever-growing presence of smartphones and potential for efficacious behavioral intervention technology, we created a mobile health intervention for medication and symptom management.

OBJECTIVE:

The objective of this study was to develop and evaluate the usability and acceptability of a smartphone app to support adherence to oral chemotherapy and symptom management in patients with cancer.

METHODS:

We used a 5-step development model to create a comprehensive mobile app with theoretically informed content. The research and technical development team worked together to develop and iteratively test the app. In addition to the research team, key stakeholders including patients and family members, oncology clinicians, health care representatives, and practice administrators contributed to the content refinement of the intervention. Patient and family members also participated in alpha and beta testing of the final prototype to assess usability and acceptability before we began the randomized controlled trial.

RESULTS:

We incorporated app components based on the stakeholder feedback we received in focus groups and alpha and beta testing. App components included medication reminders, self-reporting of medication adherence and symptoms, an education library including nutritional information, Fitbit integration, social networking resources, and individually tailored symptom management feedback. We are conducting a randomized controlled trial to determine the effectiveness of the app in improving adherence to oral chemotherapy, quality of life, and burden of symptoms and side effects. At every stage in this trial, we are engaging stakeholders to solicit feedback on our progress and next steps.

CONCLUSIONS:

To our knowledge, we are the first to describe the development of an app designed for people taking oral chemotherapy. The app addresses many concerns with oral chemotherapy, such as medication adherence and symptom management. Soliciting feedback from stakeholders with broad perspectives and expertise ensured that the app was acceptable and potentially beneficial for patients, caregivers, and clinicians. In our development process, we instantiated 7 of the 8 best practices proposed in a recent review of mobile health app development. Our process demonstrated the importance of effective communication between research groups and technical teams, as well as meticulous planning of technical specifications before development begins. Future efforts should consider incorporating other proven strategies in software, such as gamification, to bolster the impact of mobile health apps. Forthcoming results from our randomized controlled trial will provide key data on the effectiveness of this app in improving medication adherence and symptom management.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT02157519; https://clinicaltrials.gov/ct2/show/NCT02157519 (Archived by WebCite at http://www.webcitation.org/6prj3xfKA).

In this paper, Fishbein et al. describe the  methodology of the developoment of a mobile application to promote oral chemotherapy adherence.   This mobile app intervention was named CORA or ChemOtheRapy Assistant.

Of the approximately 325,000 health related apps on the market (as of 2017), the US Food and Drug Administration (FDA) have only reviewed approximately 20 per year and as of 2016 cleared only about 36 health related apps.

According to industry estimates, 500 million smartphone users worldwide will be using a health care application by 2015, and by 2018, 50 percent of the more than 3.4 billion smartphone and tablet users will have downloaded mobile health applications.  However, there is not much scientific literature providing a framework for design and creation of quality health related mobile applications.

Methods

The investigators separated the app development into two phases: Phase 1 consisted of the mobile application development process and initial results of alpha and beta testing to determine acceptability among the major stakeholders including patients, caregivers, oncologists, nurses, pharmacists, pharmacologists, health payers, and patient advocates.  Phase 1 methodology and results were the main focus of this paper.  Phase 2 consists of an ongoing clinical trial to determine efficacy and reliability of the application in a larger number of patients at different treatment sites and among differing tumor types.

The 5 step development process in phase 1 consisted of identifying features, content, and functionality of a mobile app in an iterative process, including expert collaboration and theoretical framework to guide initial development.

There were two distinct teams: a research team and a technical team. The multidisciplinary research team consisted of the principal investigator, co-investigators (experts in oncology, psychology and psychiatry), a project director, and 3 research assistants.

The technical team consisted of programmers and project managers at Partners HealthCare Connected Health.  Stakeholders served as expert consultants including oncologists, health care representatives, practice administrators, patients, and family members (care givers).  All were given questionaires (HIPAA compliant) and all involved in alpha and beta testing of the product.

There were 5 steps in the development process

1. Implementing a theoretical framework: Patients and their family caregivers now bear the primary responsibility for their medical adherence especially to oral chemotherapy which is now more frequently administered in the home setting not in the clinical setting.  Four factors were identified as the most important barriers to oral chemotherapy adherence: complexity of medication regimes, symptom burden, poor self-management of side effects, and low clinical support.  These four factors were integral in the design of the mobile app and made up a conceptual framework in its design.

1. Conducting Initial Focus Group Interviews with key stakeholders: Stakeholders were taken from within and outside the local community.  In all 32 stakeholders served as study collaborators including 8 patient/families, 8 oncologists/clinicians, 8 cancer practice administrators, and 8 representatives of the health system, community, and overall society.   The goal of these focus groups were to obtain feedback on the proposed study and design included perceived importance of monitoring of adherence to oral chemotherapy, barriers to communication between patients and oncology teams regarding side effects and medication adherence, potential role of mobile apps to address barriers of quality of cancer care, potential feasibility, acceptability, and usage and feedback on the overall study design.

1. Creation of Wireframes (like storyboards or page designs) and Collecting Initial Feedback:  The research and design team, in conjunction with stakeholder input, created content wireframes, or screen blueprints) to provide a visual guide as to what the app would look like.  These wireframes also served as basis for what the patient interviews would look like on the application.  A total of 10 MGH (Massachusetts General Hospital) patients (6 female, 4 male) and most with higher education (BS or higher) participated in the interviews and design of wireframes.  Eight MGH clinicians participated in this phase of wireframe design.

1. Developing, Programming, and Refining the App:  CORA was designed to be supported by PHP/MySQL databases and run on LAMP hosts (Linux, Apache, MySQL, Perl/PHP/Python) and fully HIPAA compliant.  Alpha testing was conducted with various stakeholders and the app refined by the development team (technical team) after feedback.

1. Final beta testing and App prototype for clinical trial: The research team considered the first 5 participants enrolled in the subsequent clinical trial for finalization of the app prototype.

There were 7 updated versions of the app during the initial clinical trial phase and 4 updates addressed technical issues related to smartphone operating system upgrades.

Finally, the investigators list a few limitations in their design and study of this application.  First the patient population was homogenous as all were from an academic hospital setting.   Second most of the patients were of Caucasian ethnic background and most were highly educated, all of which may introduce study bias.  In addition, CORA was available on smartphone and tablet only, so a larger patient population who either have no access to these devices or are not technically savvy may experience issues related to this limitation.

In addition other articles on this site related to Mobile Health applications and Health Outcomes include

Medical Applications and FDA regulation of Sensor-enabled Mobile Devices: Apple and the Digital Health Devices Market

How Social Media, Mobile Are Playing a Bigger Part in Healthcare

E-Medical Records Get A Mobile, Open-Sourced Overhaul By White House Health Design Challenge Winners

Qualcomm Ventures Qprize Regional Competition: MediSafe, an Israeli start-up in the personal health field, is the 2014 Winner of a $100,000 Prize

Friday, April 4 8:30 am- 9:30 am Science Track: Mobile Technology and 3D Printing: Technologies Gaining Traction in Biotech and Pharma – MassBio Annual Meeting 2014, Royal Sonesta Hotel, Cambridge, MA

Information Security and Privacy in Healthcare is part of the 2nd Annual Medical Informatics World, April 28-29, 2014, World Trade Center, Boston, MA

Post Acute Care – Driver of Variation in Healthcare Costs

Kaiser data network aims to improve cancer, heart disease outcomes

 

Additional references

1. Aranda-Jan CB, Mohutsiwa-Dibe N, Loukanova S: Systematic review on what works, what does not work and why of implementation of mobile health (mHealth) projects in Africa. BMC public health 2014, 14:188.

 

 

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Summary of Translational Medicine – e-Series A: Cardiovascular Diseases, Volume Four – Part 1

Posted in Academic Publishing, Acute Myocardial Infarction, Advanced Drug Manufacturing Technology, Alzheimer's Disease, Atherogenic Processes & Pathology, Autologous Cell Therapy, Automated Cell Processing, Bio Instrumentation in Experimental Life Sciences Research, Biological Networks, Gene Regulation and Evolution, Biomarkers & Medical Diagnostics, Biomedical Measurement Science, Bone Disease and Musculoskeletal Disease, Bone marrow derived cells, Ca2+ triggered activation, Ca2+ triggered activation, Cachexia, Calcium Signaling, Calmodulin, Calmodulin Kinase and Contraction, Cardiac & Vascular Repair Tools Subsegment, Cardiac and Cardiovascular Surgical Procedures, Cardiac muscle regeneration, Cardiomyopathy, Cardiovascular Pharmacogenomics, Cell Biology, Signaling & Cell Circuits, Chemical Biology and its relations to Metabolic Disease, Chemical Genetics, Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Arterial Hypertension (PAH), Circulating Progenitor Cells, Coagulation Therapy and Internal Bleeding, Competition in regenerative stem cell science, Computational Biology/Systems and Bioinformatics, Curation, Cytoskeleton, Diabetes Mellitus, Disease Biology, Small Molecules in Development of Therapeutic Drugs, Drug Delivery Platform Technology, Drug Toxicity, Electrophysiology, Endothelial cells, Epigenetics and Cardiovascular Risks, Etiology, Evolutionary cognition, Frontiers in Cardiology and Cardiovascular Disorders, Genome Biology, Genomic Expression, Health Economics and Outcomes Research, Human Immune System in Health and in Disease, International Global Work in Pharmaceutical, Interviews with Scientific Leaders, Medical and Population Genetics, Medical Device Therapies for Altzheimer’s Disease, Medical Devices R&D Investment, Medical Imaging Technology, Image Processing/Computing, MRI, CT, Nuclear Medicine, Ultra Sound, Metabolomics, Molecular Genetics & Pharmaceutical, Myocardial metabolism, Myocardial ischemia, myocardial perfusion, Myocardial adenine nucleotide metabolism, Na-K transport, Na-K-ATPase, Neurohumoral Transmission, Nitric Oxide in Health and Disease, Nutrition, Nutritional Supplements: Atherogenesis, lipid metabolism, Origins of Cardiovascular Disease, Oxidative phosphorylation, Personalized and Precision Medicine & Genomic Research, Pharmaceutical Analytics, Pharmacologic toxicities, Pharmacotherapy of Cardiovascular Disease, Phosphorylation, PKC, Population Health Management, Genetics & Pharmaceutical, Population Health Management, Nutrition and Phytochemistry, Proteomics, Regenerative Biology and Medicine, S-nitrosylation, Signaling, Skeletal muscle regeneration, Statistical Methods for Research Evaluation, Stem Cells for Regenerative Medicine, Stents & Tools, Synaptic vesicle, Systemic Inflammatory Response Related Disorders, Technology Advance Assessment of, Translational Effectiveness, Translational Science, Ubiquitinylation, Water Transporters, tagged bioengineering, Cardiovascular Disorders, computational biology, Coronary artery disease, DNA Sequencing, functional proteomics, gene expression, gene silencing, genetic engineering, Heart Failure, Human Genome Project, Hypertension, MicroRNA, mtRNA, myocardial infarction, nitric oxide, Nitric oxide synthase, Personalized medicine, protein modifications, Proteomics, reverse engineering, RNA, signaling pathways, Stem cell, synbiology on April 28, 2014| Leave a Comment »

Summary of Translational Medicine – e-Series A: Cardiovascular Diseases, Volume Four – Part 1

Author and Curator: Larry H Bernstein, MD, FCAP

and

Curator: Aviva Lev-Ari, PhD, RN

Article ID #135: Summary of Translational Medicine – e-Series A: Cardiovascular Diseases, Volume Four – Part 1. Published on 4/28/2014

WordCloud Image Produced by Adam Tubman

 

Part 1 of Volume 4 in the e-series A: Cardiovascular Diseases and Translational Medicine, provides a foundation for grasping a rapidly developing surging scientific endeavor that is transcending laboratory hypothesis testing and providing guidelines to:

• Target genomes and multiple nucleotide sequences involved in either coding or in regulation that might have an impact on complex diseases, not necessarily genetic in nature.
• Target signaling pathways that are demonstrably maladjusted, activated or suppressed in many common and complex diseases, or in their progression.
• Enable a reduction in failure due to toxicities in the later stages of clinical drug trials as a result of this science-based understanding.
• Enable a reduction in complications from the improvement of machanical devices that have already had an impact on the practice of interventional procedures in cardiology, cardiac surgery, and radiological imaging, as well as improving laboratory diagnostics at the molecular level.
• Enable the discovery of new drugs in the continuing emergence of drug resistance.
• Enable the construction of critical pathways and better guidelines for patient management based on population outcomes data, that will be critically dependent on computational methods and large data-bases.

What has been presented can be essentially viewed in the following Table:

 

Summary Table for TM – Part 1

 

 

 

There are some developments that deserve additional development:

1. The importance of mitochondrial function in the activity state of the mitochondria in cellular work (combustion) is understood, and impairments of function are identified in diseases of muscle, cardiac contraction, nerve conduction, ion transport, water balance, and the cytoskeleton – beyond the disordered metabolism in cancer.  A more detailed explanation of the energetics that was elucidated based on the electron transport chain might also be in order.

2. The processes that are enabling a more full application of technology to a host of problems in the environment we live in and in disease modification is growing rapidly, and will change the face of medicine and its allied health sciences.

 

Electron Transport and Bioenergetics

Deferred for metabolomics topic

Synthetic Biology

Introduction to Synthetic Biology and Metabolic Engineering

Kristala L. J. Prather: Part-1    <iBiology > iBioSeminars > Biophysics & Chemical Biology >

http://www.ibiology.org Lecturers generously donate their time to prepare these lectures. The project is funded by NSF and NIGMS, and is supported by the ASCB and HHMI.
Dr. Prather explains that synthetic biology involves applying engineering principles to biological systems to build “biological machines”.

http://synthetic_biology/Introduction_to_Synthetic_Biology_and_Metabolic_Engineering/Kristala_ L.J._Prather/E2/iBiology.htm#/sthash.71kZ0ofr.dpuf

Dr. Prather has received numerous awards both for her innovative research and for excellence in teaching.  Learn more about how Kris became a scientist at

http://science360.gov/obj/video/753bb4fa-aafb-4315-848e-51066ed9799a/finding-way-kristala-l-jones-prather-phd 

Prather 1: Synthetic Biology and Metabolic Engineering  2/6/14IntroductionLecture Overview In the first part of her lecture, Dr. Prather explains that synthetic biology involves applying engineering principles to biological systems to build “biological machines”. The key material in building these machines is synthetic DNA. Synthetic DNA can be added in different combinations to biological hosts, such as bacteria, turning them into chemical factories that can produce small molecules of choice. In Part 2, Prather describes how her lab used design principles to engineer E. coli that produce glucaric acid from glucose. Glucaric acid is not naturally produced in bacteria, so Prather and her colleagues “bioprospected” enzymes from other organisms and expressed them in E. coli to build the needed enzymatic pathway. Prather walks us through the many steps of optimizing the timing, localization and levels of enzyme expression to produce the greatest yield. Speaker Bio: Kristala Jones Prather received her S.B. degree from the Massachusetts Institute of Technology and her PhD at the University of California, Berkeley both in chemical engineering. Upon graduation, Prather joined the Merck Research Labs for 4 years before returning to academia. Prather is now an Associate Professor of Chemical Engineering at MIT and an investigator with the multi-university Synthetic Biology Engineering Reseach Center (SynBERC). Her lab designs and constructs novel synthetic pathways in microorganisms converting them into tiny factories for the production of small molecules. Dr. Prather has received numerous awards both for her innovative research and for excellence in teaching.

VIEW VIDEOS

https://www.youtube.com/watch?feature=player_embedded&v=ndThuqVumAk#t=0

https://www.youtube.com/watch?feature=player_embedded&v=ndThuqVumAk#t=12

https://www.youtube.com/watch?feature=player_embedded&v=ndThuqVumAk#t=74

https://www.youtube.com/watch?feature=player_embedded&v=ndThuqVumAk#t=129

https://www.youtube.com/watch?feature=player_embedded&v=ndThuqVumAk#t=168

https://www.youtube.com/watch?feature=player_embedded&v=ndThuqVumAk

 

David Bartel: micro-RNAs

 

I. Introduction to microRNAs

https://www.youtube.com/watch?feature=player_embedded&v=dupzE66J8u4#t=0

– See more at: http://www.ibiology.org/ibioseminars/genetics-gene-regulation/david-bartel-part-1.html#sthash.nGGr1tIt.dpuf

II. Regulatory Effects of Mammalian microRNAs

https://www.youtube.com/watch?feature=player_embedded&v=TcZK_A_wcWQ#t=0

https://www.youtube.com/watch?feature=player_embedded&v=TcZK_A_wcWQ

Calcium Cycling in Synthetic and Contractile Phasic or Tonic Vascular Smooth Muscle Cells

in INTECH
Current Basic and Pathological Approaches to
the Function of Muscle Cells and Tissues – From Molecules to HumansLarissa Lipskaia, Isabelle Limon, Regis Bobe and Roger Hajjar
Additional information is available at the end of the chapter
http://dx.doi.org/10.5772/48240

1. Introduction
Calcium ions (Ca ) are present in low concentrations in the cytosol (~100 nM) and in high concentrations (in mM range) in both the extracellular medium and intracellular stores (mainly sarco/endo/plasmic reticulum, SR). This differential allows the calcium ion messenger that carries information
as diverse as contraction, metabolism, apoptosis, proliferation and/or hypertrophic growth. The mechanisms responsible for generating a Ca signal greatly differ from one cell type to another.

In the different types of vascular smooth muscle cells (VSMC), enormous variations do exist with regard to the mechanisms responsible for generating Ca signal. In each VSMC phenotype (synthetic/proliferating and contractile [1], tonic or phasic), the Ca signaling system is adapted to its particular function and is due to the specific patterns of expression and regulation of Ca.
For instance, in contractile VSMCs, the initiation of contractile events is driven by mem- brane depolarization; and the principal entry-point for extracellular Ca is the voltage-operated L-type calcium channel (LTCC). In contrast, in synthetic/proliferating VSMCs, the principal way-in for extracellular Ca is the store-operated calcium (SOC) channel.
Whatever the cell type, the calcium signal consists of  limited elevations of cytosolic free calcium ions in time and space. The calcium pump, sarco/endoplasmic reticulum Ca ATPase (SERCA), has a critical role in determining the frequency of SR Ca release by upload into the sarcoplasmic
sensitivity of  SR calcium channels, Ryanodin Receptor, RyR and Inositol tri-Phosphate Receptor, IP3R.
Synthetic VSMCs have a fibroblast appearance, proliferate readily, and synthesize increased levels of various extracellular matrix components, particularly fibronectin, collagen types I and III, and tropoelastin [1].
Contractile VSMCs have a muscle-like or spindle-shaped appearance and well-developed contractile apparatus resulting from the expression and intracellular accumulation of thick and thin muscle filaments [1].

Schematic representation of Calcium Cycling in Contractile and Proliferating VSMCs

 

Figure 1. Schematic representation of Calcium Cycling in Contractile and Proliferating VSMCs.

Left panel: schematic representation of calcium cycling in quiescent /contractile VSMCs. Contractile re-sponse is initiated by extracellular Ca influx due to activation of Receptor Operated Ca (through phosphoinositol-coupled receptor) or to activation of L-Type Calcium channels (through an increase in luminal pressure). Small increase of cytosolic due IP3 binding to IP3R (puff) or RyR activation by LTCC or ROC-dependent Ca influx leads to large SR Ca IP3R or RyR clusters (“Ca -induced Ca SR calcium pumps (both SERCA2a and SERCA2b are expressed in quiescent VSMCs), maintaining high concentration of cytosolic Ca and setting the sensitivity of RyR or IP3R for the next spike.
Contraction of VSMCs occurs during oscillatory Ca transient.
Middle panel: schematic representa tion of atherosclerotic vessel wall. Contractile VSMC are located in the media layer, synthetic VSMC are located in sub-endothelial intima.
Right panel: schematic representation of calcium cycling in quiescent /contractile VSMCs. Agonist binding to phosphoinositol-coupled receptor leads to the activation of IP3R resulting in large increase in cytosolic Ca calcium pumps (only SERCA2b, having low turnover and low affinity to Ca depletion leads to translocation of SR Ca sensor STIM1 towards PM, resulting in extracellular Ca influx though opening of Store Operated Channel (CRAC). Resulted steady state Ca transient is critical for activation of proliferation-related transcription factors ‘NFAT).
Abbreviations: PLC – phospholipase C; PM – plasma membrane; PP2B – Ca /calmodulin-activated protein phosphatase 2B (calcineurin); ROC- receptor activated channel; IP3 – inositol-1,4,5-trisphosphate, IP3R – inositol-1,4,5- trisphosphate receptor; RyR – ryanodine receptor; NFAT – nuclear factor of activated T-lymphocytes; VSMC – vascular smooth muscle cells; SERCA – sarco(endo)plasmic reticulum Ca sarcoplasmic reticulum.

 

Time for New DNA Synthesis and Sequencing Cost Curves

By Rob Carlson

I’ll start with the productivity plot, as this one isn’t new. For a discussion of the substantial performance increase in sequencing compared to Moore’s Law, as well as the difficulty of finding this data, please see this post. If nothing else, keep two features of the plot in mind: 1) the consistency of the pace of Moore’s Law and 2) the inconsistency and pace of sequencing productivity. Illumina appears to be the primary driver, and beneficiary, of improvements in productivity at the moment, especially if you are looking at share prices. It looks like the recently announced NextSeq and Hiseq instruments will provide substantially higher productivities (hand waving, I would say the next datum will come in another order of magnitude higher), but I think I need a bit more data before officially putting another point on the plot.

 

cost-of-oligo-and-gene-synthesis

Illumina’s instruments are now responsible for such a high percentage of sequencing output that the company is effectively setting prices for the entire industry. Illumina is being pushed by competition to increase performance, but this does not necessarily translate into lower prices. It doesn’t behoove Illumina to drop prices at this point, and we won’t see any substantial decrease until a serious competitor shows up and starts threatening Illumina’s market share. The absence of real competition is the primary reason sequencing prices have flattened out over the last couple of data points.

Note that the oligo prices above are for column-based synthesis, and that oligos synthesized on arrays are much less expensive. However, array synthesis comes with the usual caveat that the quality is generally lower, unless you are getting your DNA from Agilent, which probably means you are getting your dsDNA from Gen9.

Note also that the distinction between the price of oligos and the price of double-stranded sDNA is becoming less useful. Whether you are ordering from Life/Thermo or from your local academic facility, the cost of producing oligos is now, in most cases, independent of their length. That’s because the cost of capital (including rent, insurance, labor, etc) is now more significant than the cost of goods. Consequently, the price reflects the cost of capital rather than the cost of goods. Moreover, the cost of the columns, reagents, and shipping tubes is certainly more than the cost of the atoms in the sDNA you are ostensibly paying for. Once you get into longer oligos (substantially larger than 50-mers) this relationship breaks down and the sDNA is more expensive. But, at this point in time, most people aren’t going to use longer oligos to assemble genes unless they have a tricky job that doesn’t work using short oligos.

Looking forward, I suspect oligos aren’t going to get much cheaper unless someone sorts out how to either 1) replace the requisite human labor and thereby reduce the cost of capital, or 2) finally replace the phosphoramidite chemistry that the industry relies upon.

IDT’s gBlocks come at prices that are constant across quite substantial ranges in length. Moreover, part of the decrease in price for these products is embedded in the fact that you are buying smaller chunks of DNA that you then must assemble and integrate into your organism of choice.

Someone who has purchased and assembled an absolutely enormous amount of sDNA over the last decade, suggested that if prices fell by another order of magnitude, he could switch completely to outsourced assembly. This is a potentially interesting “tipping point”. However, what this person really needs is sDNA integrated in a particular way into a particular genome operating in a particular host. The integration and testing of the new genome in the host organism is where most of the cost is. Given the wide variety of emerging applications, and the growing array of hosts/chassis, it isn’t clear that any given technology or firm will be able to provide arbitrary synthetic sequences incorporated into arbitrary hosts.

 TrackBack URL: http://www.synthesis.cc/cgi-bin/mt/mt-t.cgi/397

 

Startup to Strengthen Synthetic Biology and Regenerative Medicine Industries with Cutting Edge Cell Products

28 Nov 2013 | PR Web

Dr. Jon Rowley and Dr. Uplaksh Kumar, Co-Founders of RoosterBio, Inc., a newly formed biotech startup located in Frederick, are paving the way for even more innovation in the rapidly growing fields of Synthetic Biology and Regenerative Medicine. Synthetic Biology combines engineering principles with basic science to build biological products, including regenerative medicines and cellular therapies. Regenerative medicine is a broad definition for innovative medical therapies that will enable the body to repair, replace, restore and regenerate damaged or diseased cells, tissues and organs. Regenerative therapies that are in clinical trials today may enable repair of damaged heart muscle following heart attack, replacement of skin for burn victims, restoration of movement after spinal cord injury, regeneration of pancreatic tissue for insulin production in diabetics and provide new treatments for Parkinson’s and Alzheimer’s diseases, to name just a few applications.

While the potential of the field is promising, the pace of development has been slow. One main reason for this is that the living cells required for these therapies are cost-prohibitive and not supplied at volumes that support many research and product development efforts. RoosterBio will manufacture large quantities of standardized primary cells at high quality and low cost, which will quicken the pace of scientific discovery and translation to the clinic. “Our goal is to accelerate the development of products that incorporate living cells by providing abundant, affordable and high quality materials to researchers that are developing and commercializing these regenerative technologies” says Dr. Rowley

 

Life at the Speed of Light

http://kcpw.org/?powerpress_pinw=92027-podcast

NHMU Lecture featuring – J. Craig Venter, Ph.D.
Founder, Chairman, and CEO – J. Craig Venter Institute; Co-Founder and CEO, Synthetic Genomics Inc.

J. Craig Venter, Ph.D., is Founder, Chairman, and CEO of the J. Craig Venter Institute (JVCI), a not-for-profit, research organization dedicated to human, microbial, plant, synthetic and environmental research. He is also Co-Founder and CEO of Synthetic Genomics Inc. (SGI), a privately-held company dedicated to commercializing genomic-driven solutions to address global needs.

In 1998, Dr. Venter founded Celera Genomics to sequence the human genome using new tools and techniques he and his team developed.  This research culminated with the February 2001 publication of the human genome in the journal, Science. Dr. Venter and his team at JVCI continue to blaze new trails in genomics.  They have sequenced and a created a bacterial cell constructed with synthetic DNA,  putting humankind at the threshold of a new phase of biological research.  Whereas, we could  previously read the genetic code (sequencing genomes), we can now write the genetic code for designing new species.

The science of synthetic genomics will have a profound impact on society, including new methods for chemical and energy production, human health and medical advances, clean water, and new food and nutritional products. One of the most prolific scientists of the 21st century for his numerous pioneering advances in genomics,  he  guides us through this emerging field, detailing its origins, current challenges, and the potential positive advances.

His work on synthetic biology truly embodies the theme of “pushing the boundaries of life.”  Essentially, Venter is seeking to “write the software of life” to create microbes designed by humans rather than only through evolution. The potential benefits and risks of this new technology are enormous. It also requires us to examine, both scientifically and philosophically, the question of “What is life?”

J Craig Venter wants to digitize DNA and transmit the signal to teleport organisms

http://pharmaceuticalintelligence.com/2013/11/01/j-craig-venter-wants-to-digitize-dna-and-transmit-the-signal-to-teleport-organisms/

2013 Genomics: The Era Beyond the Sequencing of the Human Genome: Francis Collins, Craig Venter, Eric Lander, et al.

http://pharmaceuticalintelligence.com/2013/02/11/2013-genomics-the-era-beyond-the-sequencing-human-genome-francis-collins-craig-venter-eric-lander-et-al/

Human Longevity Inc (HLI) – $70M in Financing of Venter’s New Integrative Omics and Clinical Bioinformatics

http://pharmaceuticalintelligence.com/2014/03/05/human-longevity-inc-hli-70m-in-financing-of-venters-new-integrative-omics-and-clinical-bioinformatics/

 

 

Where Will the Century of Biology Lead Us?

By Randall Mayes

A technology trend analyst offers an overview of synthetic biology, its potential applications, obstacles to its development, and prospects for public approval.

• In addition to boosting the economy, synthetic biology projects currently in development could have profound implications for the future of manufacturing, sustainability, and medicine.
• Before society can fully reap the benefits of synthetic biology, however, the field requires development and faces a series of hurdles in the process. Do researchers have the scientific know-how and technical capabilities to develop the field?

Biology + Engineering = Synthetic Biology

Bioengineers aim to build synthetic biological systems using compatible standardized parts that behave predictably. Bioengineers synthesize DNA parts—oligonucleotides composed of 50–100 base pairs—which make specialized components that ultimately make a biological system. As biology becomes a true engineering discipline, bioengineers will create genomes using mass-produced modular units similar to the microelectronics and computer industries.

Currently, bioengineering projects cost millions of dollars and take years to develop products. For synthetic biology to become a Schumpeterian revolution, smaller companies will need to be able to afford to use bioengineering concepts for industrial applications. This will require standardized and automated processes.

A major challenge to developing synthetic biology is the complexity of biological systems. When bioengineers assemble synthetic parts, they must prevent cross talk between signals in other biological pathways. Until researchers better understand these undesired interactions that nature has already worked out, applications such as gene therapy will have unwanted side effects. Scientists do not fully understand the effects of environmental and developmental interaction on gene expression. Currently, bioengineers must repeatedly use trial and error to create predictable systems.

Similar to physics, synthetic biology requires the ability to model systems and quantify relationships between variables in biological systems at the molecular level.

The second major challenge to ensuring the success of synthetic biology is the development of enabling technologies. With genomes having billions of nucleotides, this requires fast, powerful, and cost-efficient computers. Moore’s law, named for Intel co-founder Gordon Moore, posits that computing power progresses at a predictable rate and that the number of components in integrated circuits doubles each year until its limits are reached. Since Moore’s prediction, computer power has increased at an exponential rate while pricing has declined.

DNA sequencers and synthesizers are necessary to identify genes and make synthetic DNA sequences. Bioengineer Robert Carlson calculated that the capabilities of DNA sequencers and synthesizers have followed a pattern similar to computing. This pattern, referred to as the Carlson Curve, projects that scientists are approaching the ability to sequence a human genome for $1,000, perhaps in 2020. Carlson calculated that the costs of reading and writing new genes and genomes are falling by a factor of two every 18–24 months. (see recent Carlson comment on requirement to read and write for a variety of limiting  conditions).

Startup to Strengthen Synthetic Biology and Regenerative Medicine Industries with Cutting Edge Cell Products

http://pharmaceuticalintelligence.com/2013/11/28/startup-to-strengthen-synthetic-biology-and-regenerative-medicine-industries-with-cutting-edge-cell-products/

Synthetic Biology: On Advanced Genome Interpretation for Gene Variants and Pathways: What is the Genetic Base of Atherosclerosis and Loss of Arterial Elasticity with Aging

http://pharmaceuticalintelligence.com/2013/05/17/synthetic-biology-on-advanced-genome-interpretation-for-gene-variants-and-pathways-what-is-the-genetic-base-of-atherosclerosis-and-loss-of-arterial-elasticity-with-aging/

Synthesizing Synthetic Biology: PLOS Collections

http://pharmaceuticalintelligence.com/2012/08/17/synthesizing-synthetic-biology-plos-collections/

Capturing ten-color ultrasharp images of synthetic DNA structures resembling numerals 0 to 9

http://pharmaceuticalintelligence.com/2014/02/05/capturing-ten-color-ultrasharp-images-of-synthetic-dna-structures-resembling-numerals-0-to-9/

Silencing Cancers with Synthetic siRNAs

http://pharmaceuticalintelligence.com/2013/12/09/silencing-cancers-with-synthetic-sirnas/

Genomics Now—and Beyond the Bubble

Futurists have touted the twenty-first century as the century of biology based primarily on the promise of genomics. Medical researchers aim to use variations within genes as biomarkers for diseases, personalized treatments, and drug responses. Currently, we are experiencing a genomics bubble, but with advances in understanding biological complexity and the development of enabling technologies, synthetic biology is reviving optimism in many fields, particularly medicine.

BY MICHAEL BROOKS    17 APR, 2014     http://www.newstatesman.com/

Michael Brooks holds a PhD in quantum physics. He writes a weekly science column for the New Statesman, and his most recent book is The Secret Anarchy of Science.

The basic idea is that we take an organism – a bacterium, say – and re-engineer its genome so that it does something different. You might, for instance, make it ingest carbon dioxide from the atmosphere, process it and excrete crude oil.

That project is still under construction, but others, such as using synthesised DNA for data storage, have already been achieved. As evolution has proved, DNA is an extraordinarily stable medium that can preserve information for millions of years. In 2012, the Harvard geneticist George Church proved its potential by taking a book he had written, encoding it in a synthesised strand of DNA, and then making DNA sequencing machines read it back to him.

When we first started achieving such things it was costly and time-consuming and demanded extraordinary resources, such as those available to the millionaire biologist Craig Venter. Venter’s team spent most of the past two decades and tens of millions of dollars creating the first artificial organism, nicknamed “Synthia”. Using computer programs and robots that process the necessary chemicals, the team rebuilt the genome of the bacterium Mycoplasma mycoides from scratch. They also inserted a few watermarks and puzzles into the DNA sequence, partly as an identifying measure for safety’s sake, but mostly as a publicity stunt.

What they didn’t do was redesign the genome to do anything interesting. When the synthetic genome was inserted into an eviscerated bacterial cell, the new organism behaved exactly the same as its natural counterpart. Nevertheless, that Synthia, as Venter put it at the press conference to announce the research in 2010, was “the first self-replicating species we’ve had on the planet whose parent is a computer” made it a standout achievement.

Today, however, we have entered another era in synthetic biology and Venter faces stiff competition. The Steve Jobs to Venter’s Bill Gates is Jef Boeke, who researches yeast genetics at New York University.

Boeke wanted to redesign the yeast genome so that he could strip out various parts to see what they did. Because it took a private company a year to complete just a small part of the task, at a cost of $50,000, he realised he should go open-source. By teaching an undergraduate course on how to build a genome and teaming up with institutions all over the world, he has assembled a skilled workforce that, tinkering together, has made a synthetic chromosome for baker’s yeast.

 

Stepping into DIYbio and Synthetic Biology at ScienceHack

Posted April 22, 2014 by Heather McGaw and Kyrie Vala-Webb

We got a crash course on genetics and protein pathways, and then set out to design and build our own pathways using both the “Genomikon: Violacein Factory” kit and Synbiota platform. With Synbiota’s software, we dragged and dropped the enzymes to create the sequence that we were then going to build out. After a process of sketching ideas, mocking up pathways, and writing hypotheses, we were ready to start building!

The night stretched long, and at midnight we were forced to vacate the school. Not quite finished, we loaded our delicate bacteria, incubator, and boxes of gloves onto the bus and headed back to complete our bacterial transformation in one of our hotel rooms. Jammed in between the beds and the mini-fridge, we heat-shocked our bacteria in the hotel ice bucket. It was a surreal moment.

While waiting for our bacteria, we held an “unconference” where we explored bioethics, security and risk related to synthetic biology, 3D printing on Mars, patterns in juggling (with live demonstration!), and even did a Google Hangout with Rob Carlson. Every few hours, we would excitedly check in on our bacteria, looking for bacterial colonies and the purple hue characteristic of violacein.

Most impressive was the wildly successful and seamless integration of a diverse set of people: in a matter of hours, we were transformed from individual experts and practitioners in assorted fields into cohesive and passionate teams of DIY biologists and science hackers. The ability of everyone to connect and learn was a powerful experience, and over the course of just one weekend we were able to challenge each other and grow.

Returning to work on Monday, we were hungry for more. We wanted to find a way to bring the excitement and energy from the weekend into the studio and into the projects we’re working on. It struck us that there are strong parallels between design and DIYbio, and we knew there was an opportunity to bring some of the scientific approaches and curiosity into our studio.

 

 

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Human Longevity Inc (HLI) – $70M in Financing of Venter’s New Integrative Omics and Clinical Bioinformatics

Posted in Biological Networks, Gene Regulation and Evolution, Biomarkers & Medical Diagnostics, Biomedical Measurement Science, Cardiovascular Pharmacogenomics, Chemical Genetics, Competition in regenerative stem cell science, Computational Biology/Systems and Bioinformatics, Curation, Genome Biology, Genomic Testing: Methodology for Diagnosis, Intellectual Property, Innovations, Commercialization, Investment in technological breakthrough, International Global Work in Pharmaceutical, Interviews with Scientific Leaders, Personalized and Precision Medicine & Genomic Research, Pharmaceutical Analytics, Pharmaceutical R&D Investment, Pharmacogenomics, Population Health Management, Genetics & Pharmaceutical, Proteomics, Regenerative Biology and Medicine, Reproductive Andrology, Embryology, Genomic Endocrinology, Preimplantation Genetic Diagnosis and Reproductive Genomics, Scientist: Career considerations, Statistical Methods for Research Evaluation, Stem Cells for Regenerative Medicine, Technology Transfer: Biotech and Pharmaceutical, Translational Effectiveness, Translational Research, Translational Science on March 5, 2014| Leave a Comment »

Human Longevity Inc (HLI) – $70M in Financing of Venter’s New Integrative Omics and Clinical Bioinformatics

Reporter: Aviva Lev-Ari, PhD, RN

Article ID #121: Human Longevity Inc (HLI) – $70M in Financing of Venter’s New Integrative Omics and Clinical Bioinformatics. Published on 3/5/14

WordCloud Image Produced by Adam Tubman

Venter’s New Integrative Omics and Clinical Data Analysis Firm Lands $70M in Financing

March 04, 2014

By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – J. Craig Venter today unveiled a new company called Human Longevity Inc. that will combine human genome, microbiome, and metabolome data coupled with clinical information to fuel development of new diagnostics, therapeutics, and stem cell treatments for diseases related to aging.

In a media briefing today, Venter said the company will “change the way medicine is practiced,” and will spearhead “a shift to a more preventive, genomic-based medicine model” that can lead to longer, healthier lives and lower healthcare costs.

Using $70 million in Series A financing, HLI initially plans to conduct genome, microbiome, and tumor sequencing on patients from the University of California, San Diego Moores Cancer Center and use their clinical phenotype and metabolomics data to create a massive database, Venter explained in a media briefing. HLI said the financing came from a small group of private investors. Though it didn’t disclose the names of those investors, The New York Times reported today that Illumina was among the backers.

Venter said the initial financing should keep the company going for about 18 months. HLI is building a long-term facility in San Diego that will be completed in about a year, Venter said, and it is currently in temporary facilities.

The firm plans to license data and knowledge to pharmaceutical and biotechnology firms and universities for their own research programs, while developing new therapeutics and diagnostics and providing sequencing services.

The company has already bought two Illumina HiSeq X Ten Sequencing Systems, and has inked an option to buy three more. It plans to sequence up to 40,000 human genomes per year initially and ramp up to 100,000 per year. HLI said it will conduct the first clinical project to include germ line, human genome, and tumor genome sequencing, along with a range of other types of information from each patient.

As part of its efforts, HLI has struck an agreement with Metabolon, under which the NC-based firm will provide biochemical profiling of the genomic samples that HLI collects.

Venter is co-founder, executive chairman and CEO of HLI, which also has agreed to a research services collaboration with the J. Craig Venter Institute, of which he is founder and CEO. That alliance will cover proteomics, infectious disease diagnostics, and the human microbiome.

The company said that it will tackle cancer first. Every patient at the UCSD Moores Cancer Center will have the opportunity to have their genome, microbiome, and tumors sequenced and analyzed as part of their treatment, said Venter. Other diseases of interest include diabetes, obesity, heart and liver diseases, and dementia.

Venter noted that 13 years ago it cost around $100 million and took nine months to sequence his genome, but now that cost has dropped to around $1,000 per genome.

“We are scaling up to do tens of thousands of genomes in the same time frame that it took to do one,” he said.

Through its agreement with HLI, Metabolon will characterize 2,400 chemicals in the bloodstream of 10,000 of the initial patients.

Venter said HLI plans to try to layer “the chemical data with the microbiome data, the human genome data, and most importantly the human phenotype data. We will be importing clinical records of every individual we are sequencing, so this will be one of the largest data studies in the history of science and medicine.”

“Hopefully,” Venter said, within 10 years HLI will “have data from half a million to a million human genomes, and the phenotype data, clinical data, and outcome data associated with that.”

“I view this as just the beginning, a starting point of this new field that some of us have been waiting for for a very long time, following on the first human genome 13 years ago,” he said.

Among Venter’s ventures is Synthetic Genomics, a genomics and synthetic biology firm of which he is a co-founder, chairman, CEO, and co-CSO. Though HLI didn’t say specifically that it would collaborate with Synthetic Genomics, according to a FAQ sheet on its website, it plans to use “synthetic biology advances to repair and repopulate a patient’s depleted and degraded stem cell population, returning those cells to a more healthy and youthful state.”

In addition to Venter, HLI’s two other co-founders are Peter Diamandis, chairman and CEO of the X Prize Foundation and co-founder and executive chairman of Singularity University, and stem cell biology researcher and entrepreneur Robert Hariri, who also will serve as company vice chairman.

SOURCE

http://www.genomeweb.com//node/1357581?utm_source=SilverpopMailing&utm_medium=email&utm_campaign=Venter’s%20New%20Firm;%20White%20House’s%20NIH%20Budget%20Proposal;%20CDx%20Licensing%20Deal;%20$3M%20Gift%20for%20Autism;%20More%20-%2003/04/2014%2004:15:00%20PM

Other articles published on this Open Access Online Scientific Journal include the following:

J Craig Venter wants to digitize DNA and transmit the signal to teleport organisms

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/11/01/j-craig-venter-wants-to-digitize-dna-and-transmit-the-signal-to-teleport-organisms/

Life Sciences Circle Event: Next omics – Personalized Medicine beyond Genomics, December 11, 2013 5:30-8:30PM, The Broad Institute, Cambridge

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/11/18/life-sciences-circle-event-next-omics-personalized-medicine-beyond-genomics-december-11-2013-530-830pm-the-broad-institute-cambridge/

2013 Genomics: The Era Beyond the Sequencing of the Human Genome: Francis Collins, Craig Venter, Eric Lander, et al.

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/02/11/2013-genomics-the-era-beyond-the-sequencing-human-genome-francis-collins-craig-venter-eric-lander-et-al/

Synthetic Biology: On Advanced Genome Interpretation for Gene Variants and Pathways: What is the Genetic Base of Atherosclerosis and Loss of Arterial Elasticity with Aging

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/05/17/synthetic-biology-on-advanced-genome-interpretation-for-gene-variants-and-pathways-what-is-the-genetic-base-of-atherosclerosis-and-loss-of-arterial-elasticity-with-aging/

Scientific Innovation: as Influenced by Academia, Publishing Requirements and the Academic Publishing Industry

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2014/03/05/scientific-innovation-as-influenced-by-academia-publishing-requirements-and-the-academic-publishing-industry/

Fourth Annual QPrize Competition to Fund the World’s Next Groundbreaking Startups by Qualcomm Ventures

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2014/02/09/fourth-annual-qprize-competition-to-fund-the-worlds-next-groundbreaking-startups-by-qualcomm-ventures/

Cancer Genomics – Leading the Way by Cancer Genomics Program at UC Santa Cruz

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2012/10/29/cancer-genomics-leading-the-way-by-cancer-genomics-program-at-uc-santa-cruz/

Research Paradigm Shift in Human Genomics – Predictive Biomarkers and Personalized Medicine

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/01/13/paradigm-shift-in-human-genomics-predictive-biomarkers-and-personalized-medicine-part-1/

LEADERS in the Competitive Space of Genome Sequencing of Genetic Mutations for Therapeutic Drug Selection in Cancer Personalized Treatment

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/01/13/leaders-in-genome-sequencing-of-genetic-mutations-for-therapeutic-drug-selection-in-cancer-personalized-treatment-part-2/

Personalized Medicine: An Institute Profile – Coriell Institute for Medical Research

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/01/13/personalized-medicine-an-institute-profile-coriell-institute-for-medical-research-part-3/

The Consumer Market for Personal DNA Sequencing

Aviva Lev-Ari, PhD, RN

http://pharmaceuticalintelligence.com/2013/01/13/consumer-market-for-personal-dna-sequencing-part-4/

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