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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