A Watershed Finding for Heart Regeneration.


Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA. Electronic address: [Email]


The adult mammalian heart is minimally regenerative after injury, whereas neonatal hearts fully recover even after major damage. New work from the Red-Horse and Woo labs (Das et al., 2019) shows that collateral artery formation is a key mechanism contributing to successful regeneration in newborn mice and provides insights into how collateral arteries form.

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