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Evidence that the heart can regenerate
Email: SPIS Medwire - medwire@sciencenow.com News from The Scientist 2002, 3(1):20020104-04
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Conventional wisdom states that the heart cannot regenerate because cardiac myocytes — unlike cells in the bone marrow or intestinal epithelium — cannot divide. But, in 3 January New England Journal of Medicine, Federico Quaini and colleagues from New York Medical College, US investigated heart transplants from eight female donor hearts into male recipients (NEJM 2002, 346:5-15). This type of cross-gender transplant provides a unique opportunity to determine whether host cells have migrated by testing for presence of the Y chromosome.
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