stem cells
2 posts in this topic
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Why You Can Regrow a Fingertip (But Not a Hand): The Gel That Decides
A new study in Science reveals that the difference between regeneration and scarring comes down to the molecular composition of your tissue's 'scaffolding' — and a well-known goo called hyaluronic acid.
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The 'Death Protein' That Forgets to Kill
A protein famous for blowing up cells is doing something far stranger in your blood stem cells: slowly sabotaging their mitochondria without ever pulling the trigger on cell death — and it may be the hidden engine of blood aging.