Heart Patients Get Little Help From Own Stem Cells in Studies

Summary

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Giving heart attack survivors stem cells from their own bone marrow did little to repair their damaged hearts, according to the three best studies to date of this controversial therapy.

The modest results suggest more study is needed - and, some scientists say, demonstrate the need to lift political limits on using cells from embryos, which offer more promise for turning into heart-repairing tissue.

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Extract

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Heart Patients Get Little Help From Own Stem Cells in Studies

"The optimal cell type has not been discovered yet," said Dr. Kenneth Chien, director of the Massachusetts General Hospital Cardiovascular Research Center, who had no role in the st...

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