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Very early in life, stem cells fix heart

CORNELL (US) — Following a heart attack, stem cells in mice are able to grow new heart cells—but only if the attack occurs very early in life.New research shows that in a two-day-old mouse, a heart attack causes active stem cells to grow new heart cells and a few months after an attack, the heart is mostly repaired. But in an adult mouse, recovery from such an attack leads to classic after-effects: scar tissue, permanent loss of function, and life-threatening arrhythmias....


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Source: Futurity.org - Tuesday, 31 July, 2012

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