Another Retraction for Diabetes Researcher

PLOS Biology pulls a 2011 study led by Mário Saad, while his institution investigates additional allegations of research misconduct related to papers published in other journals. 

Tanya Lewis
May 23, 2016


Nearly three years after concerns were first raised about figures published in a 2011 PLOS Biology paper, following investigations by the journal and the corresponding author’s institution, the authors and editors are now retracting the study, according to a notice published today (May 23). This is the latest in a series of corrections and retractions associated with the study’s corresponding author, Mário Saad of State University of Campinas in São Paulo, Brazil.

“The authors and editors retract this publication following an investigation into concerns around the data presented in several figures that were brought to the editors’ attention,” the retraction reads. The notice cites concerns with figures 1, 4, 5, 6, 7, 8, 10, and S6: “The authors state that although the data described were correctly obtained with high reproducibility, they inadvertently used the wrong blots in several figures resulting in duplications.”

Saad and colleagues reported that mice with...