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

Using a new stem-cell based drug screening technology with the potential to reinvent and greatly reduce the cost of the way new pharmaceuticals are developed, researchers have found a compound more effective in protecting the neurons killed in amyotrophic lateral sclerosis -- Lou Gehrig's disease -- than two drugs that failed in human clinical trials after hundreds of millions of dollars had been invested in them.

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