Magnifying glass in front of a stack of files of papers
PLOS ONE Pulls Five Papers Tied to Alzheimer’s Drug Controversy
The retracted studies were coauthored by a scientist who worked on an Alzheimer’s therapy in development by Cassava Sciences, a company reportedly under investigation for providing falsified data to the FDA.
ABOVE: © ISTOCK.COM, BERNIE_PHOTO
PLOS ONE Pulls Five Papers Tied to Alzheimer’s Drug Controversy
PLOS ONE Pulls Five Papers Tied to Alzheimer’s Drug Controversy

The retracted studies were coauthored by a scientist who worked on an Alzheimer’s therapy in development by Cassava Sciences, a company reportedly under investigation for providing falsified data to the FDA.

The retracted studies were coauthored by a scientist who worked on an Alzheimer’s therapy in development by Cassava Sciences, a company reportedly under investigation for providing falsified data to the FDA.

ABOVE: © ISTOCK.COM, BERNIE_PHOTO

image manipulation

Illustration of a person confused looking at a computer
When Researchers Sound the Alarm on Problematic Papers
Shawna Williams | Sep 1, 2021
Finding and reporting an irregularity in a published study can lead people down an unexpected path.
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Elisabeth Bik Faces Legal Action After Criticizing Studies
Shawna Williams | May 28, 2021
A complaint lodged by researchers in France prompts two petitions supporting Bik’s whistleblowing work.
Image of the Day: Tomato Domestication
Amy Schleunes | Mar 30, 2020
Scientists identify a transcription factor that plays a key role in increased fruit size.
KU Leuven Investigates Whether Stem Cell Scientist Falsified Data
Catherine Offord | Dec 10, 2019
Papers from Catherine Verfaillie’s lab have been drawing fire for years.
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Research Institute Investigates Possible Image Manipulation in Papers
Shawna Williams | Jun 11, 2019
PubPeer commenters have flagged more than 100 papers from branches of the Council of Scientific & Industrial Research for apparent image duplication and other issues.
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Eye for Manipulation: A Profile of Elisabeth Bik
Adam Marcus, Ivan Oransky, Retraction Watch | May 7, 2019
The microbiologist has turned her attention full-time to unearthing problematic figures in papers—for free.
piero anversa lancet retraction
The Lancet Retracts Cardiac Stem Cell Clinical Trial Paper
Kerry Grens | Mar 14, 2019
The publication of the SCIPIO trial is among many by Piero Anversa’s lab that Harvard Medical School flagged for fraudulent data.
Nature Retracts Paper on Delivery System for CAR T Immunotherapy
Diana Kwon | Feb 20, 2019
The manuscript had amassed more than 50 comments about problematic figures and data on PubPeer.
Journals Retract 13 Papers from Heart Stem Cell Lab
Kerry Grens | Dec 14, 2018
It’s the latest fallout from an investigation by Harvard and Brigham and Women’s into work overseen by Piero Anversa.
University College London Geneticist Cleared of Wrongdoing
Jef Akst | Dec 5, 2018
A second investigation by the school concludes that David Latchman, also the head of Birkbeck, University of London, was not involved in the image manipulation found in papers he coauthored.
Retraction Watch Launches Its Database of Papers
Ashley P. Taylor | Oct 26, 2018
It includes more than 18,000 papers and conference materials that have been retracted since the 1970s.

Report: Former CNRS President Guilty of Fraud
Jef Akst | Oct 15, 2018
Anne Peyroche, who was removed as interim head of France’s National Center for Scientific Research in January, committed scientific misconduct, according to the French Academy of Sciences.
Two Plant Biologists Penalized by CNRS in France
Jef Akst | Oct 3, 2018
Olivier Voinnet and Patrice Dunoyer face consequences for misconduct that led to the retractions of numerous high-profile papers.
Third Retraction for Harvard Cancer Biologist
Katarina Zimmer | Jul 25, 2018
The move follows two major corrections to a 2011 Nature paper, in which researchers demonstrated that a natural compound selectively kills cancer cells.
University of Gothenburg Moves to Fire Professor for Misconduct
Kerry Grens | Jul 3, 2018
An investigation finds regenerative medicine researcher Suchitra Sumitran-Holgersson manipulated data in seven papers.
Study: 35,000 Papers May Have Retraction-Worthy Image Duplication
Catherine Offord | Jun 29, 2018
The authors of a preprint recommend that journals implement better image screening procedures before publishing articles.
Another Retraction for Discredited Researcher
Jim Daley | May 25, 2018
Robert Ryan was forced to resign from the University of Dundee in 2016 following an investigation of misconduct.
Scientist Who Received Millions From NIH Leaves Alabama Posts
Ivan Oransky, Retraction Watch | May 24, 2018
An investigation finds 20 papers by Santosh Katiyar, who studied alternative treatments for cancer, include image manipulation.
Prominent Cell Biologist Fired After Data Manipulation Investigation
Shawna Williams | Apr 30, 2018
The University of Tokyo confirmed last August that Yoshinori Watanabe tampered with research-related images, and dismissed him in late April.