Category: corrections

Paper linking fecal transplants to obesity in rats retracted for faked data

Diabetes Cover

A paper linking the fecal microbiome to obesity has been retracted after it became clear that one of the co-authors faked some of the data.

The 2014 paper in Diabetes — which found that rats given fecal transplants from obese mice were more likely to become obese themselves if given a particular diet — was pulled after after an institutional investigation found a co-author guilty of falsifying data underlying one figure and fabricating the data of two others.

Co-author Yassine Sakar — formerly based at the French National Institute of Agronomic Research (INRA) in Paris, France — was found responsible for the misconduct. But an official from the institution said that some responsibility must also be shared by the corresponding author Mihai Covosa, who has since resigned from the institution.

Here’s the retraction notice: Continue reading Paper linking fecal transplants to obesity in rats retracted for faked data

Einstein grad student admits cooking data, settles with Office of Research Integrity

Screen Shot 2016-04-27 at 1.05.49 PMOne Friday in January, graduate student Meredyth Forbes was reviewing material for her dissertation with her mentor when she decided to make a confession.

She “burst out with a statement that some of the data was fabricated,” said Edward Burns, research integrity officer at the Albert Einstein College of Medicine, where Forbes worked. It was, Burns told Retraction Watch: Continue reading Einstein grad student admits cooking data, settles with Office of Research Integrity

Does posting on PubPeer count as prior publication? Journal says yes, rejects letter rebutting campus sexual assault data

Jim Hopper

Journals typically shy away from publishing data and text readers have seen before — but amidst the newly established norms of open science and data sharing, what counts as a prior publication?

We’re asking ourselves that question after learning that JAMA Pediatrics has rejected a letter rebutting a recent study in the journal about sexual assault on college campuses after deciding that posting the letter on PubPeer is a prior publication.

The submitted letter (which you can read here) was co-authored by independent consultant, therapist and researcher Jim Hopper, who is also a Teaching Associate in Psychology at Harvard Medical School. It concerned a 2015 paper published in JAMA Pediatrics, which suggested that the long-held belief that most rapists on college campuses are repeat offenders may be false. The findings can have major implications for university efforts to stop assaults, as institutions weigh whether to divert resources towards punishment (if serial offenders are largely responsible) or prevention (if most men only commit assaults once). Continue reading Does posting on PubPeer count as prior publication? Journal says yes, rejects letter rebutting campus sexual assault data

Authors correct highly cited biology paper due to “genuine mistake”

Journal of Cell ScienceAuthors of a highly cited biology paper in the Journal of Cell Science (JCS) have corrected the data underlying one of the figures.

The 2003 paper, “The transcription factor Slug represses E-cadherin expression and induces epithelial to mesenchymal transitions: a comparison with Snail and E47 repressors,” has been cited 566 times, according to Thomson Reuters Web of Science. One of the authors is the last author on a recent high profile retraction from Nature Genetics, which cost the first author a grant from the European Molecular Biology Organisation.

The correction note tells us a bit more: Continue reading Authors correct highly cited biology paper due to “genuine mistake”

Raw files help fix 2003 figure by heart researcher accused of fraud

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A researcher accused of misconduct by an anonymous Japanese blogger has corrected a 2003 paper in Circulation Research, after providing a university investigation with the original source files.

Allegations of fraud have dogged Shokei Kim-Mitsuyama for years, and even caused him to step down from his position as editor in chief at another journal. However, Kim-Mitsuyama and his colleagues call the latest correction a “mistake,” which didn’t affect any of the paper’s conclusions.

We’ve unearthed a total of five publications co-authored by Kim-Mitsuyama that have earned corrections, the latest of which cites an investigation by the university:

Continue reading Raw files help fix 2003 figure by heart researcher accused of fraud

Singapore investigation leads to another retraction, correction for Harvard research fellow

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After an investigation found evidence of misconduct, a biologist has issued a third retraction.

Sudarsanareddy Lokireddy — now a research fellow at Harvard Medical School — “admitted falsification,” a Research Integrity Officer at Nanyang Technological University in Singapore told us in December. According to The Scientist, another journal has also published a correction that the authors had requested earlier.

The newly retracted paper is “Myostatin is a novel tumoral factor that induces cancer cachexia,” published in Biochemical Journal and cited 40 times, according to Thomson Reuters Web of Science. Here’s the retraction note:

NEJM quickly corrects disclosure statement, errors in diabetes paper

NEJM LogoAfter publishing a paper about neuropathy in diabetic patients last week, The New England Journal of Medicine (NEJM) immediately corrected it after editors learned of errors and some missing disclosures within the article.

The notice explains that the sole author of the paper, “Diabetic Sensory and Motor Neuropathy,” reported incorrect doses for several medications, and received royalties for the tool to measure quality of life used in the paper. The author told us all the declarations were “discussed in detail” between him and the journal, and both parties agreed to the final decision. 

Let’s take a look at the lengthy correction notice — what some of our readers might call a “mega-correction:” Continue reading NEJM quickly corrects disclosure statement, errors in diabetes paper

Mistakes lead to retraction, correction of cancer papers by pair

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A series of mistakes have caused a pair of cancer researchers based in China to retract one paper and correct another.

The retraction stems from a duplication of figures in a paper about the molecular underpinnings of colorectal cancer, which the editor of the journal told us he believed was caused by honest error. The other paper was corrected after the authors realized they had published the wrong versions of multiple figures, an error which the authors say does not affect the paper’s conclusions.

This isn’t the first time the pair has had to correct the record — these changes follow a mega-correction for Jie Hong, and Jing-Yuan Fang, both of the Shanghai Jiao-Tong University, where Fang is the director of the Shanghai Institute of Digestive Disease.

Here’s the retraction note for “Role of STAT3 and vitamin D receptor in EZH2-mediated invasion of human colorectal cancer,” published in the Journal of Pathology:

Continue reading Mistakes lead to retraction, correction of cancer papers by pair

Neuroscientist in Serbia set to notch 7th retraction amid investigation

Lidija Radenović

Amidst an ongoing investigation by the University of Belgrade in Serbia into allegations of duplication by neurobiologist Lidija Radenović, a journal is planning to retract another one of her papers.

Radenović has already racked up six retractions; Elinor Ben-Menachem, the chief editor of the journal, Acta Neurologica Scandinavica, confirmed her journal is planning to retract one paper co-authored by Radenović, but did not specify which one. After digging around on the journal’s website, we found only one paper co-authored by Radenović, which was a 2005 study about the molecular changes that follow stroke. 

Ben-Menachem, who is based the University of Gothenburg in Sweden, said the retraction note for the paper is “not ready” yet, and declined to comment on the case in more detail, including the reason for retraction. Continue reading Neuroscientist in Serbia set to notch 7th retraction amid investigation

Lancet issues expression of concern for 2011 Macchiarini paper

Paolo Macchiarini
Paolo Macchiarini

The Lancet has tagged an expression of concern onto a seminal 2011 paper by Paolo Macchiarini, the Italian surgeon whose work and conduct outside the operating room has earned months of  heavy criticism that recently culminated in his dismissal from the Karolinska Institutet.

“Tracheobronchial transplantation with a stem-cell-seeded bioartificial nanocomposite: a proof-of-concept study,” which described the first case of a transplant using an artificial trachea seeded with the patient’s own stem cells, now bears an expression of concern from The Lancet editors, citing ongoing investigations. The journal has also removed three more authors from the paper, upon their request.

The expression of concern essentially presents the timeline of the controversy that led the journal to make this move:

Continue reading Lancet issues expression of concern for 2011 Macchiarini paper