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Regenerative biology

Heartbroken embryos heal

An area of injured heart in zebrafish embryos repairs itself using cells from neighbouring areas. The regenerating cells seem to originate from an intermediate progenitor-cell population. See Letter p.497

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Figure 1: Spontaneous repair and regeneration of the heart.


  1. *This article and the paper under discussion2 were published online on 19 June 2013.


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Correspondence to Kenneth R. Chien.

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Chien, K. Heartbroken embryos heal. Nature 498, 439–440 (2013).

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