Nobel Prize-Winner Tallies Two More Retractions, Bringing Total To 13

Retraction Watch: A Nobel prize-winning genetics researcher has retracted two more papers, bringing his total to 13. Gregg Semenza, a professor of genetic medicine and director of the vascular program at Johns Hopkins' Institute for Cell Engineering in Baltimore, shared the 2019 Nobel prize in physiology or medicine for 'discoveries of how cells sense and adapt to oxygen availability.' Since pseudonymous sleuth Claire Francis and others began using PubPeer to point out potential duplicated or manipulated images in Semenza's work in 2019, the researcher has retracted 12 papers. A previous retraction from 2011 for a paper co-authored with Naoki Mori -- who with 31 retractions sits at No. 25 on our leaderboard -- brings the total to 13.

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