Japanese stem cell fraud leads to a new retraction

Last March, we reported on the retraction of a 2017 paper in Stem Cell Reports by Kohei Yamamizu and colleagues for widespread fabrication of figures. Turns out the problems were at least five years older than that. Yamamizu had received a pink slip from his institution, the Center for iPS Cell Research and Application (CiRA), … Continue reading Japanese stem cell fraud leads to a new retraction

Anversa cardiac stem cell lab earns 13 retractions

Two months after Harvard and the Brigham and Women’s Hospital said they were requesting the retraction of more than 30 papers from a former cardiac stem cell lab there, two American Heart Association journals have retracted more than a dozen papers from the lab. Yesterday, Circulation retracted three papers, and Circulation Research retracted 10. All 13 were … Continue reading Anversa cardiac stem cell lab earns 13 retractions

Journals stamp expressions of concern on 15 papers from Anversa’s cardiac stem cell lab

More than four and a half years after questions were first raised about work in a cardiac stem cell lab at Harvard and the Brigham and Women’s Hospital, a year and a half after the Brigham and Partners Healthcare paid $10 million to settle allegations of fraud in the lab’s data, a month after Harvard … Continue reading Journals stamp expressions of concern on 15 papers from Anversa’s cardiac stem cell lab

Weekend reads: Stem cell trial halted; Nazi doctors in the literature; is it OK to cite a paper you haven’t read?

Before we present this week’s Weekend Reads, a question: Do you enjoy our weekly roundup? If so, we could really use your help. Would you consider a tax-deductible donation to support Weekend Reads, and our daily work? Thanks in advance. The week at Retraction Watch featured the story of how an editor solved a mystery about … Continue reading Weekend reads: Stem cell trial halted; Nazi doctors in the literature; is it OK to cite a paper you haven’t read?

Harvard and the Brigham recommend 31 retractions for cardiac stem cell work

Retraction Watch readers may be familiar with the name Piero Anversa. Until several years ago, Anversa, a scientist at Harvard Medical School and the Brigham and Women’s Hospital, was a powerful figure in cardiac stem cell research. “For ten years, he ran everything,” says Jeffery Molkentin, a researcher at Cincinnati Children’s whose lab was among the … Continue reading Harvard and the Brigham recommend 31 retractions for cardiac stem cell work

Stem cell paper falsification leads to firing; Nobelist also penalized

Kyoto University has “punitively dismissed” a researcher found guilty of falsifying nearly all of the figures in a 2017 stem cell paper.   According to an announcement Wednesday, the university fired the paper’s corresponding author, Kohei Yamamizu, after determining he had fabricated and falsified data in all but one figure in the 2017 Stem Cell Reports … Continue reading Stem cell paper falsification leads to firing; Nobelist also penalized

Stem cell researchers investigated for misconduct recommended for roles at Italy’s NIH

Two stem cell scientists who left Harvard University in the aftermath of a messy misconduct investigation may have found new roles in Italy’s National Institute of Health. According to a document on the institute’s website, which we had translated, Piero Anversa and Annarosa Leri have been approved to start work at the Istituto Superiore di Sanità (ISS) … Continue reading Stem cell researchers investigated for misconduct recommended for roles at Italy’s NIH

Researcher at Japan stem cell institute falsified nearly all images in 2017 paper

An investigation by Kyoto University in Japan has found a researcher guilty of falsifying all but one of the figures in a 2017 stem cell paper. Yesterday, Kyoto University announced that the paper’s first author, Kohei Yamamizu, had fabricated and falsified data in the Stem Cell Reports paper. According to the investigation report, none of … Continue reading Researcher at Japan stem cell institute falsified nearly all images in 2017 paper

Ethical concerns arise for head of controversial stem cell clinic

Journals are raising ethical concerns about the research of a doctor who offers controversial embryonic stem cell treatments. Two journals have issued expressions of concern for three papers by Geeta Shroff, who was the subject of a 2012 CNN investigative documentary. All cite ethical concerns; one mentions the potential link between the procedure the authors … Continue reading Ethical concerns arise for head of controversial stem cell clinic

Caught Our Notice: Investigation finds “accidental mistakes” in PNAS stem cell paper

When Retraction Watch began in 2010, our co-founders Ivan Oransky and Adam Marcus quickly realized they couldn’t keep up with the hundreds of retractions that appeared each year.  And the problem has only gotten worse — although we’ve added staff, the number of retractions issued each year has increased dramatically. According to our growing database, … Continue reading Caught Our Notice: Investigation finds “accidental mistakes” in PNAS stem cell paper