Medical News and Perspectives
March 23/30, 2005

Discovery Boosts Hope for Heart Repair

JAMA. 2005;293(12):1434-1435. doi:10.1001/jama.293.12.1434

New cardiac progenitor cells found in the hearts of neonate humans, rats, and mice provide evidence of the heart’s regenerative potential.

The discovery was reported in the February 10 issue of Nature by a multi-institution group of US and German researchers (Laugwitz et al. Nature. 2005;433:647-653). According to the report, the cells are precursors of cardiac muscle cells that can be multiplied into millions of cells in vitro. These cells also appear to form fully differentiated functioning cardiac muscle cells in the presence of other heart cells.

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