Stem cell breakthrough: Monitoring the on switch that turns stem cells into muscle
In a genetic engineering breakthrough that could help everyone from bed-ridden patients to elite athletes, a team of American researchers - including 2007 Nobel Prize winner Mario R. Capecchi - have created a 'switch' that allows mutations or light signals to be turned on in muscle stem cells to monitor muscle regeneration in a living mammal. For humans, this work could lead to a genetic switch, or drug, that allows people to grow new muscle cells to replace those that are damaged, worn out, or not working for other reasons (e.g., muscular dystrophy). In addition, this same discovery also gives researchers a new tool for the study of difficult-to-treat muscle cancers. The full report containing details of this advance is available online in The FASEB Journal...
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