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BMJ 2014; 349 doi: https://doi.org/10.1136/bmj.g5109 (Published 14 August 2014) Cite this as: BMJ 2014;349:g5109

Author involved in falsified research is found hanged: Yoshiki Sasai, 52, one of the authors of two recently retracted papers in Nature that claimed to describe a method of creating naive stem cells,1 has been found hanged at the Riken Institute in Japan in an apparent suicide. The lead author Haruko Obokata, 30, whom Sasai mentored, was found to have falsified results. Sasai had said that he was “overwhelmed with shame” at his failure to supervise the research adequately. As tributes poured in for Sasai, Obokata was reported to be …

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