Top heart lab comes under fire

Kelly is a staff writer at Science.

Piero Anversa is viewed as both a pioneer in the study of cardiac regeneration and an outspoken, controversial voice in a field full of disagreement. So when an ongoing internal investigation into his lab at Harvard Medical School's Brigham and Women's Hospital (BWH) came to light earlier this year, the field was shaken. BWH has not released details about its specific concerns, but in April, the journal Circulation agreed to Harvard's request to retract a paper on which Anversa collaborated, and The Lancet issued an "Expression of Concern" about another paper. Meanwhile, some are expressing doubts about a cardiac cell therapy Anversa developed, and an anonymous former lab fellow has published accusations about the group's scientific integrity.

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