A University of Pennsylvania postdoc extensively manipulated data in three published papers according to an Office of Research Integrity (ORI) announcement released last month. "This is a fairly big case for us. There is a great number of falsified images," John Dahlberg, ORI's director of the Division of Investigative Oversight, told The Scientist. "I would say this is up in the top third."The postdoc, Kristin Roovers, was working on cell cycle dynamics in the lab of Morris Birnbaum at the School of Medicine at the University of Pennsylvania in Philadelphia when the fraud was uncovered. The ORI investigation, published in the Federal Register on July 16, concluded that Roovers had faked 19 panels of Western blot data, which appeared on 11 figures in 3 studies published between 2001 and 2003, Dahlberg said. Two of the studies, published in Molecular and Cellular Biology and Developmental Cell, were cited 53...

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