Stem Cells Repair Heart Attack Scars

January 5, 2005 -- In an animal study, stem cells have again offered a tantalizing hope for a new line of therapy, this time against the damage caused by heart attacks. This study injected stems cells into the heart muscles of rats after a myocardial infarction, about an hour after the event. The stem cell limited or reversed the amount of scar tissue formed, according to the investigators, restoring the pumping action to near-normal. The researchers talk about their findings...

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