Three authors have retracted their 2006 Science article that found evidence of different cell lineage fates in two-cell embryos in a letter published today (July 26) in Science. The retraction comes one month after the University of Missouri (UM) found the study's lead author, Kaushik Deb, guilty of research misconduct, and more than a year after embryologists blew the whistle on potential fraud. The university university exonerated R. Michael Roberts of UM, whose lab headed the work, and the study's other authors, Mayandi Sivaguru and Hwan Yul Yong, of any wrong doing in February."That's a terrible tragedy, to throw it all away," Robert Hall, associate vice-chancellor for research at UM, said of Deb. "Truly this sort of reprehensible misconduct is fatal to a scientific career," Hall told The Scientist.Hall said the university's investigation found Deb had "fabricated or falsified" some of the digital images in the...

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