Fishing Out a New Heart

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Science  13 Dec 2002:
Vol. 298, Issue 5601, pp. 2141-2142
DOI: 10.1126/science.1079821

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Approaches to repairing damaged heart tissue have focused on the promise of multipotential stem cells. However, repairing damaged tissue through regeneration--a strategy adopted by animals such as the newt--may also prove beneficial. In their Perspective, Scott and Stainier discuss new work (Poss et al.) that reveals the regenerative capacity of the injured zebrafish heart.