Setback in study to regenerate heart tissue from stem cells

12/3/2004 | Chicago Tribune (tiered subscription model)

The promise of stem cells for treating various illnesses may have suffered a setback when a study in the Journal of Clinical Investigation said using a patient's own bone marrow stem cells failed to regenerate heart tissue in animals. Researchers said they were surprised when the highly touted procedure failed to work, because earlier studies were optimistic the stem cells could grow to become heart or muscle cells.

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