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Unveiling your genetic compass

Posted: Published on April 13th, 2013

FAIRFAX NZ Sarah Lee, left, discovered she had an Alzheimers risk of 75 per cent, inherited from both her dad and mum, Eileen Smith. Imagine if a test tube of spittle and $205 could mine your past to foretell your future. Would you want to know if your genetic compass pointed toward cancer, or if you carried a silent coding quirk that put your children at risk of cystic fibrosis? And what if the horoscope foretold a devastating and incurable disease such as Parkinson's or Alzheimer's? "Are you ready to take that on?" asks 26-year-old Danielle Lambermon, who found out in 2007 that she was one of 43 Auckland Hospital patients with a tiny risk of contracting brain disease Creuzfeldt-Jacobs Disease through contaminated instruments. | "I truly believe people don't see what the consequences could be. They think, 'It will be really good because then I'll know'. But will that make you live your life in a box? Would you do what you normally do? If you're not a strong personality it will mess up your life." Direct-to-consumer (DTC) genomic testing, which uses genetic markers gleaned from a saliva sample to predict disease risk, has been widely available for five … Continue reading

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H7N9 genetic analysis raises concern over pandemic potential

Posted: Published on April 13th, 2013

Lisa SchnirringStaff Writer Apr 12, 2013 (CIDRAP News) A new analysis of H7N9 genetic sequences from the first Chinese patients infected with the virus and from poultry markets found more signals that the virus can attach and replicate efficiently in the airways of humans and other mammals, raising concerns about the virus's pandemic potential. The new findings, published late yesterday in Eurosurveillance, are the first detailed comparison of both the human and market sequences. Results are similar to the genetic details of samples from the first three cases reported by Chinese scientists yesterday in the New England Journal of Medicine. The new results also affirm early observations from some experts that the novel virus has adapted to infect mammals, yielding more information that health officials need to gauge the pandemic threat from the new virus. The research team from Japan includes Yoshihiro Kawaoka, DVM, PhD, who heads a group at the University of Wisconsin that has done extensive genetic studies on the H5N1 virus, and Masato Tashiro, MD, PhD, director of the World Health Organization Collaborating Center for Reference and Research on Influenza at Japan's National Institute of Infectious Diseases in Tokyo. Their look at sequences from influenza databases included … Continue reading

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Genetic tests may help bipolar disorder patients

Posted: Published on April 13th, 2013

Scientists have identified a group of patients with a genetic predisposition to mental illness, opening up for the first time the prospect of personalised medicine in psychiatry. Personalised medicine involves identifying groups of patients whose genes make them susceptible to certain diseases and responsive to certain drugs. Researchers from University College, London (UCL) studied 1,000 patients with bipolar disorder and found 1.7 per cent carried a mutation in an important brain receptor gene putting them at increased risk of the disease. The findings suggest the patients with the mutation, called GRM3, could be treated with existing drugs which are not currently used for bipolar disorder. Hugh Gurling, a molecular psychiatry professor at UCL, who led the study published in JAMA Psychiatry, said many different genes were involved in causing bipolar disorder. These were the first mutations increasing susceptibility to the illness to be identified. Examining the underlying genetics of the disease enabled psychiatrists to predict who would respond to different drugs. Two drugs trialled for schizophrenia and anxiety disorder could be effective in bipolar disorder, Professor Gurling said. Here is the original post: Genetic tests may help bipolar disorder patients … Continue reading

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Nobel Prize Winner Participates at Vatican Conference

Posted: Published on April 13th, 2013

Development Biologist Says He Hopes to Bring Stem Cell Research to Public Vatican City, April 12, 2013 (Zenit.org) Ann Schneible | 378 hits In order for adult stem cell research and therapy to progress, says Nobel Prize winner Dr. John Gurdon, it is essential to promote awareness and understanding of this complex science. Dr. Gurdon was one of the keynote speakers of today's session of the Second International Vatican Adult Stem Cell Conference, hosted in Paul VI Hall. The conference aims to promote awareness of advances made in adult stem cell research and therapy,by providing a forum whereby leaders within this scientific field can share ideas and engage in dialogue.With this objective, the conference organizers have brought together experts in various fields, Catholic and non-Catholic, scientists, medical practitioners, bioethicists, politicians, and journalists. Because the primary objective of the conference is to examine adult stem cell research comprehensively, participants Dr. Gurdon among them hail from a variety of religious, ethical and moral viewpoints, including some which do not align with Catholic Church teaching. A developmental biologist who works in Cambridge, England, Dr. Gurdon won the 2012 Nobel Prize for Physiology or Medicine for the discovery that adult cells can be turned … Continue reading

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Research and Markets: India Stem Cell Banking Market Analysis

Posted: Published on April 13th, 2013

DUBLIN--(BUSINESS WIRE)-- Research and Markets has announced the addition of the "India Stem Cell Banking Market Analysis" report to their offering. Stem Cell Banking has emerged as new opportunity of healthcare services provider in Indian market. The market is still in nascent stage of development and valued at more than INR 400 Crore (US$ 70 Million) in 2013. The current stem cell preservation level for new born baby is below 1% and hence there exists immense opportunity for stem cell preservation service providers to grow exponentially in coming years. With more than 20 million births every year there exist ample market opportunity for large number of stem cells banks to enter Indian stem cell preservation market and expand their services portfolio. The market potential of stem cell banking in India is valued at more than US$ 350 Million at preservation level of 1% which can increase to more than US$ 1 Billion at stem cell preservation level of 3% for new born babies. Many factors have actively contributing towards this overwhelming success stem cell banking in India and one of the major reasons for its success has been collaborations. Apart from handling the main stage single handedly, much collaboration both … Continue reading

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Stem Cell Treatments for Rheumatoid Arthritis – Arminda Bourin – Video

Posted: Published on April 13th, 2013

Stem Cell Treatments for Rheumatoid Arthritis - Arminda Bourin Arminda Bourin has suffered from rheumatoid arthritis since 2003. She underwent stem cell therapy at the Stem Cell Institute in February 2012 because her swo... By: cellmedicine … Continue reading

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Gene Therapy Developed for ALS Treatment: New Biotech Company Neuralgene Enters Evaluation Phase

Posted: Published on April 13th, 2013

BOGOTA, Colombia, April 12, 2013 /PRNewswire/ -- Startup biotechnology company Neuralgene (http://neuralgene.com) has announced that it will begin animal studies in May to evaluate the efficacy of PRCN-829, its new gene therapy agent for the treatment of amyotrophic lateral sclerosis (ALS). PRCN-829 is the first gene therapy for sporadic ALS. (Photo: http://photos.prnewswire.com/prnh/20130412/PH93428-a ) (Photo: http://photos.prnewswire.com/prnh/20130412/PH93428-b ) Neuralgene's neurotropic AAV-based gene therapy platform for the treatment of neurodegenerative diseases is based on the stem cell work performed by Jason Williams, M.D., founder and CEO of Neuralgene. "This technology addresses several key aspects of the underlying pathology of ALS," said Leonardo Gonzalez, M.D., clinical researcher for Neuralgene. "In his stem cell work, Dr. Williams had identified that production of Factor H by fat-derived mesenchymal stem cells may be a key mode of action." The gene therapy is based on Dr. Williams' discovery that certain proteins produced by stem cells inhibit the attack of ALS. During the development of the gene therapy, he added new targets: neural growth factors and a protein implicated in ALS named TDP-43. "When Dr. Williams demonstrated the concept behind stem cells and how to address the treatment of ALS using gene therapy, we immediately knew that this was … Continue reading

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New Method for Mass-Producing RPE Cells Paves Way to Treating Age-Related Blindness

Posted: Published on April 13th, 2013

Scientists have developed a new, simpler way to produce human pluripotent stem cells in quantities large enough that they can be used to develop treatments for age-related macular degeneration the leading cause of irreversible blindness among the elderly. The results of this new study are published in the current issue of STEM CELLS Translational Medicine. Durham, NC (PRWEB) April 12, 2013 Age-related macular degeneration (AMD), which affects up to 50 million people worldwide, is associated with the dysfunction and death of retinal pigment epithelial (RPE) cells. As a result, there has been significant interest in developing RPE culture systems both to study AMD disease mechanisms and to provide substrate for possible cell-based therapies. Because of their indefinite self-renewal, human pluripotent stem cells (hPSCs) have the potential to provide an unlimited supply of RPE-like cells, noted Donald Zack, M.D., Ph.D., who with Julien Maruotti, Ph.D., led the team of researchers from the Wilmer Institute, Johns Hopkins University School of Medicine in Baltimore, Md., and the Institute of Vision in Paris in conducting the study. However, most of the currently accepted methods in use for deriving RPE cells from hPSC involve time-and-labor-consuming steps done by hand, and they dont yield large enough … Continue reading

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Vatican Conference Hopes to Promote Truth on Adult Stem Cell Therapy

Posted: Published on April 12th, 2013

Doctors, Patients Speak on Personal Experiences Vatican City, April 11, 2013 (Zenit.org) Junno Arocho Esteves | 611 hits During todays first session of the Second International Vatican Adult Stem Cell Conference, scientists, doctors and patients had an opportunity to share not only the advances in adult stem cell research, but also the potential it has to transform modern day health care. The ethical debate on the use of embryonic stem cells has, according to Dr. Robin Smith, stifled the advances made in adult stem cells, which are derived from adult tissue samples. Dr. Smith serves as president of the Stem for Life Foundation as well as CEO of NeoStem, a leading developer in cellular therapy. Stem Cell Therapy, especially using cultivated adult stem cells , can be used to regenerate dying tissue in the body of a person suffering debilitating diseases, such as Alzheimers, Parkinsons, or Multiple Sclerosis (MS). In November 2001, we kicked of the first Stem Cell Conference. Since then, the entire world has awakened. By improving the clinical outcomes, we can save hundreds of millions of lives, she said. We're not talking about medications, she continued. Were talking about repairing the heart with adult stem cells. Re-inserting … Continue reading

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Rigid Growth Matrix: A Key to Success of Cardiac Tissue Engineering

Posted: Published on April 12th, 2013

Published in the journal Science and Technology of Advanced Materials Vol. 14, p. 025003 ( http://iopscience.iop.org/1468-6996/14/2/025003), the study found that a stiff or rigid environment not only enhances the function of existing cardiomyocytes (as has previously been shown), but also promotes the generation of cardiomyocytes from embryonic stem (ES) cells. It may therefor be possible to grow new heart muscle tissue from stem cells by manipulating the stiffness of the medium they're grown in. In living organisms, a type of adult stem cells called mesenchymal stem cells (MSCs) are extremely sensitive to the elasticity of different materials, when cultured outside the body. For example, soft growing matrices that mimic brain tissue promote the differentiation of MSCs into neurons, while rigid matrices that resemble bone tissue promote the differentiation of MSCs into bone cells. In this study, the UCLA team examined the role of matrix elasticity on cardiac muscle development using mouse and human embryonic stem cells, which were grown on different substrates of a silicon-based organic polymer that varied in stiffness. The team found that rigid matrices promoted the generation of more cardiomyocytes cells from ES cells. In addition, ES-derived cardiomyocytes displayed functional maturity and synchronization of beating when cultured … Continue reading

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