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Big boost in drug discovery: New use for stem cells identifies a promising way to target ALS

Posted: Published on April 18th, 2013

Apr. 18, 2013 Using a new, stem cell-based, drug-screening technology that could reinvent and greatly reduce the cost of developing pharmaceuticals, researchers at the Harvard Stem Cell Institute (HSCI) have found a compound that is more effective in protecting the neurons killed in amyotrophic lateral sclerosis (ALS) than are two drugs that failed in human clinical trials after large sums were invested in them. The new screening technique developed by Lee Rubin, a member of HSCI's executive committee and a professor in Harvard's Department of Stem Cell and Regenerative Biology (SCRB), had predicted that the two drugs that eventually failed in the third and final stage of human testing would do just that. "It's a deep, dark secret of drug discovery that very few drugs have been tested on human-diseased cells before being tested in a live person," said Rubin, who heads HSCI's program in translational medicine. "We were interested in the notion that we can use stem cells to correct that situation." Rubin's model is built on an earlier proof of concept developed by HSCI principal faculty member Kevin Eggan, who demonstrated that it was possible to move a neuron-based disease into a laboratory dish using stem cells carrying … Continue reading

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Sen. Carrell to receive stem cell transplant soon

Posted: Published on April 18th, 2013

OLYMPIA, Wash. Republican state Sen. Mike Carrell, who has a blood condition and has been hospitalized since last month, will receive a stem cell transplant from his brother next week. In an email sent to constituents this week, Carrell says he started initial treatment on Wednesday at the Seattle Cancer Care Alliance. He said that the 100-day process begins with low doses of chemotherapy to lower his body's defenses and help increase his chances that next Tuesday's procedure will be successful. Earlier this year, Carrell was diagnosed with myelodysplastic syndrome, also known as pre-leukemia. The chronic disease affects blood-forming stem cells. Carrell was hospitalized last month after contracting a complicating illness while serving in Olympia, and he has not been back to the Capitol since. Republican leaders have said he would only be called back to the Legislature if his presence is needed for a crucial vote. Lawmakers are nearing the end of the 105-day session, which is set to end on April 28. Carrell said he'll first undergo a low dose of full-body radiation, and then within a few hours will be injected with his brother's stem cells. "Doctors are hopeful that my brother's healthy stem cells will march … Continue reading

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Stem cell senescence drives aging, study suggests

Posted: Published on April 18th, 2013

Apr. 18, 2013 Declining levels of the protein BubR1 occur when both people and animals age, and contribute to cell senescence or deterioration, weight loss, muscle wasting and cataracts. Mayo Clinic researchers have shown that adult progenitor or stem cells -- important for repair and regeneration of skeletal muscle and maintenance of healthy fat tissue -- are subject to cellular senescence, and that clearance of these cells limits age-related deterioration of these tissues. The findings appear today online in the journal Cell Reports. BubR1 is an essential part of the mitotic checkpoint, the mechanism controlling proper cell division or mitosis. Without sufficient levels of BubR1, chromosomal imbalance will occur, leading to premature aging and cancer. Using mutant mice that expressed low levels of BubR1, the researchers found development of dysfunctional tissue with impaired cell regeneration. In analyzing the progenitor populations in skeletal muscle and fat, they found that a subset of progenitors was senescent and that the tumor suppressor p53 was acting to prevent this from happening through activation of p21. "Earlier we discovered that senescent cells accumulate in tissues with aging and that removal of these cells delays age-related functional decline in these tissues," says Jan van Deursen, Ph.D., … Continue reading

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Stem Cell Facelift – Do the Results Match the Hype?

Posted: Published on April 18th, 2013

A recent New York Times article examines the legitimacy of doctors' claims that stem cell facelifts effectively reduce the visual signs of aging. Dr. Simon Ourian of Epione Beverly Hills is skeptical of the anecdotal evidence reported to date. Los Angeles, California (PRWEB) April 17, 2013 As reported by the Times, the stem cell facelift harvests fat from the thigh, stomach or other area with excess fat, then separates out stem cells to boost the effectiveness of injections around the eyes, the hollows of the cheeks or another part of the face that is lacking volume. For stem cell facelift opponents, the main issue is not necessarily stem cell use. Rather, they simply claim that all success is anecdotal and cannot be attributed directly to the stem cells. I definitely fall into the skeptics camp, says Dr. Ourian, Medical Director of Epione Beverly Hills. Until there is verifiable, scientific data I dont plan on introducing this procedure to my practice and patients. The article goes on to say that some are skeptical, believing that many doctors who promise great results simply remove fat, spin it a bit in a centrifuge and inject it into the face. This line of thinking … Continue reading

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Ahead of the Bell: Sarepta shares slide

Posted: Published on April 17th, 2013

Sarepta Therapeutics Inc.'s study of its experimental Duchenne muscular dystrophy drug eteplirsen may be too small for the faster approval the company seeks from regulators, according to an analyst who lowered her rating on the stock. Shares slide in premarket trading Tuesday. The Cambridge, Mass., company said Monday after markets closed that the U.S. Food and Drug Administration asked for more information from existing data on eteplirsen to help with its decision on whether to approve the treatment. Janney Capital Markets analyst Kimberly Lee said in a Tuesday morning research note she could not rule out the possibility that Sarepta's study of 12 patients treated with eteplirsen is too small for accelerated approval. Investors didn't seem optimistic, either. Sarepta shares slid 6.7 percent, or $2.64, to $36.60 before markets opened Tuesday. A Sarepta spokesman did not immediately return a call from The Associated Press seeking comment. The FDA grants accelerated approval to promising medical products designed to treat serious diseases. The program allows the agency to clear innovative drugs based on promising preliminary results. Duchenne muscular dystrophy is a fatal, genetic disease that causes increasing muscle weakness and affects one of every 3,500 boys worldwide. Sarepta said death usually occurs … Continue reading

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Major investment in neurological research: $10.8 million for new diagnostics tests for drug resistant epilepsy

Posted: Published on April 17th, 2013

MONTREAL, April 16, 2013 /CNW Telbec/ - A team led by Dr. Patrick Cossette at the University of Montreal Hospital Research Centre* (CRCHUM) has been awarded $10.8 million from Genome Quebec and Genome Canada to conduct a four-year study to develop a personalized medicine approach to early diagnosis of various types of epilepsy. Along with the project's co-leaders, Dr. Jacques Michaud, CHU Sainte-Justine Research Centre, and Dr. Berge Minassian, Hospital for Sick Children in Toronto, the team will focus specifically on drug-resistant forms of epilepsy. Approximately 3% of Canadians experience epileptic seizures during their lifetime. Each seizure increases the risk of brain damage, especially in childhood. Although there are over 20 different anti-epileptic drugs available today, these drugs are ineffective in about one third of patients. "Epilepsy is particularly problematic in children since uncontrolled seizures in the developing brain largely contribute to cognitive decline," explains Dr. Cossette. However, managing epilepsy associated with intellectual disability is especially challenging since these symptoms are associated with a high rate of resistance to anti-epileptic drugs. "Our challenge is to rapidly identify patients who will not benefit from currently existing drugs so that we can use alternative therapies before the damage caused by epilepsy becomes … Continue reading

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Discovery of genetic defect which triggers epilepsy

Posted: Published on April 17th, 2013

Apr. 17, 2013 Researchers at the University Department of Neurology at the MedUni Vienna have identified a gene behind an epilepsy syndrome, which could also play an important role in other idiopathic (genetically caused) epilepsies. With the so-called "next generation sequencing", with which genetic changes can be identified within a few days, it was ascertained that the CNTN2 gene is defective in this type of epilepsy. This was investigated by a team led by Elisabeth Stgmann in collaboration with Cairos Ain Shams University and the Helmholtz Centre Munich with reference to a particular Egyptian family, in which five sick children have resulted from the marriage of one healthy cousin to his, likewise healthy, second cousin. The children affected suffer from a specific epilepsy syndrome, in which different types of epileptic attacks occur. This constellation has the "advantage", according to Stgmann, that both alleles of the gene, which is how one designates different forms of the gene, demonstrate this defect: "As a result the defect becomes symptomatic and identifiable. "20,000 to 25,000 genes, including all the "protein coding" ones, were sequenced for this. When this was done a mutation was found in the CNTN2 gene. CNTN2 undertakes an important function in … Continue reading

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Epilepsy – Epidemiology Forecast to 2022

Posted: Published on April 17th, 2013

DUBLIN, April 17, 2013 /PRNewswire/ -- Research and Markets announces the addition of "EpiCast Report: Epilepsy - Epidemiology Forecast to 2022" to its catalogue. (Logo: http://photos.prnewswire.com/prnh/20130307/600769 ) Epilepsy affects 50 million people worldwide each year and is one of the most common neurological conditions in the world (WHO, 2005). Epilepsy is defined as a collection of brain dysfunction disorders characterized by recurrent and unpredictable seizures. The prevalence of epilepsy varies among countries due to a mosaic of economic, political, and social differences. GlobalData epidemiologists expect that the number of active and lifetime prevalent cases of epilepsy will increase during the forecast period (2012-2022) in the nine markets covered. In 2012, we estimated that there was a total of 17,542,651 active prevalent cases of epilepsy in the nine markets, and GlobalData epidemiologists forecast that by 2022, the number of active prevalent cases will grow to 18,565,967. A major strength of this analysis is that the forecast methodology was consistent across the nine markets to allow for a meaningful comparison of the patient populations in each country. Scope - The Epilepsy EpiCast Report provide an overview of risk factors and global trends for epilepsy. - Data is provided for the seven major … Continue reading

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Raising awareness about autism

Posted: Published on April 17th, 2013

SYRACUSE It is estimated by the Centers for Disease Control and Prevention that autism has risen to one in every 88 births in the United States. In order to raise awareness about the programs and services available to families affected by autism, the New York State Senate has commemorated April 2013 as Autism Awareness Month. I have long been a committed advocate for individuals and families living with autism. I successfully fought for the New York Autism Health Insurance Reform Law that now requires state-regulated health insurance policies to provide coverage for the screening, diagnosis and treatment of patients on the autism spectrum. This landmark law, which took effect last year, is one of the strongest autism insurance reforms in the Nation. It has opened the door for thousands of families to receive early intervention services, which are key to improving the treatment of autism. Some of these important services include behavioral health treatments, speech therapy, occupational therapy, and physical therapy. Furthermore, the law prohibits an insurance company from terminating coverage or refusing to issue, adjust, renew or execute a policy solely because a person has been diagnosed with an autism spectrum disorder. As your state senator, I will continue … Continue reading

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New Lawsuit on Granuflo Stroke: Now, AttorneyOne Can Provide Advice

Posted: Published on April 17th, 2013

According to court documents, on January25th, 2013 a man filed a lawsuit in Louisiana Eastern District Court alleging he suffered heart attack and stroke following hemodialysis treatment with Granuflo and/or Naturalyte. In light of these news, AttorneyOne, a recognized authority on law, informs that they are now providing advice, including how to get in contact with legal counsel, to people potentially affected by Granuflo side effects. San Diego, CA (PRWEB) April 15, 2013 According to court documents, on January25th, 2013 a man filed a lawsuit in Louisiana Eastern District Court (case no. 2:2013cv00147) alleging he suffered heart attack and stroke as well as severe pain and suffering following hemodialysis treatment with Granuflo and/or Naturalyte. Granuflo, manufactured by Fresenius Medical Care, is an additive used in kidney dialysis to help patients maintain their bicarbonate levels which neutralize the acid buildup in the bloodstream during dialysis. A lawsuit was filed on January 14th, 2013 by a Texas woman in Massachusetts District Court (case no. 1:2013cv10082) alleging her husband felt ill after hemodialysis treatment with Granuflo and two days later died of a heart attack. Taking into consideration the latest developments, AttorneyOne.com updated the website and, now, can actively provide an expert opinion … Continue reading

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