Category: by author

Diabetes researcher who sued to prevent retractions now has 13

A diabetes researcher who sued a publisher to protect several papers from being retracted recently received his 13th, in a prestigious gastroenterology journal.

Mario Saad, based at the University of Campinas in São Paulo, Brazil, has had a string of retractions over the past few years, including four in Diabetes after he lost a legal battle with the American Diabetes Association.

The latest retraction appears in Gastroenterology, citing possible image duplication. Saad is second-to-last author on the 2012 paper.

According to the retraction notice, the journal investigated data in several figures, and believes some were duplicated. The authors explained that the duplications resulted from inadvertently using wrong blots; still, the editors chose to retract the paper after determining they no longer had confidence in its conclusions.  

Here’s the retraction notice for “Obesity-Induced Increase in Tumor Necrosis Factor-α Leads to Development of Colon Cancer in Mice:” Continue reading Diabetes researcher who sued to prevent retractions now has 13

Unintended consequences: How authorship guidelines destroyed a relationship

It started as a simple email exchange over authorship. But it angered one researcher so much that it ended a 20-year collaboration.

In January 2017, a chemist based in Mexico had finished writing a paper describing the structure of a molecule. Sylvain Bernès, at the Instituto de Física Luis Rivera Terrazas, asked his co-author—the head of the lab where the molecule had been synthesized 10 years ago—to review the draft and include any co-authors involved in the initial work.

The researcher added three co-authors to the paper. Bernès became concerned. He wanted to follow the International Committee of Medical Journal Editors (ICMJE) authorship recommendations as strictly as possible. As far as Bernès could tell, none of the new authors had actually contributed to the work, potentially violating the recommendation about authorship contributions. Continue reading Unintended consequences: How authorship guidelines destroyed a relationship

Authors retract two plant biology papers over duplicated images

Plant scientists have issued two retractions after noticing several images had been duplicated within and across the papers.

The papers both appeared in March 2002 in The Plant Cell and The Plant Journal.

The last author on both papers — Jonathan Jones, a professor and group leader at The Sainsbury Laboratory in Norwich, UK — took responsibility for the duplications. He told us:

As last author I was responsible for checking the papers but did not notice the similarities between figures in the different papers.  I regret this and took action as soon as I realized there was an issue. Both papers went through peer review and the issue was not picked up at that point either.

Susana Rivas, the first author on both papers, has collaborated with beleaguered plant scientist Oliver Voinnet — and was a second author on one of his eight retractions (which we covered here).

The editor-in-chief of TPJ Christoph Benning said that, after the authors contacted them, the journals looked into the issue, confirmed the duplications and then retracted the papers: Continue reading Authors retract two plant biology papers over duplicated images

Denmark to institute sweeping changes in handling misconduct

In six weeks, new policies for handling misconduct in Denmark will go into effect, which alter the definition of misconduct and establish clear policies for who handles such allegations.

Starting July 1, research misconduct will be limited to how it’s typically defined elsewhere — fabrication, falsification, and plagiarism (the previous definition included serious breaches of good scientific practices). All such allegations will be investigated by a central body, The Board for the Prevention of Scientific Misconduct — not at the institutions where the allegations are focused, as it has been in the past. Institutions, however, will remain responsible for investigating allegations of so-called Questionable Research Practices (QRPs) — such as only reporting data that support your hypothesis — and must publicize their policies for handling (QRPs).

The Board for the Prevention of Scientific Misconduct will replace the Danish Committees on Scientific Dishonesty (DCSD).

You can read the press release from the Ministry of Higher Education and Science here. We translated it into English, here.

Continue reading Denmark to institute sweeping changes in handling misconduct

Journal flags two more papers by diabetes researcher who sued to stop retractions (and now has 12)

A diabetes journal has issued two notices of concern for papers co-authored by a researcher who took another publisher to court after it did the same thing — but ultimately lost.

The notices are for two papers co-authored by Mario Saad — who, after losing his legal battle with the American Diabetes Association, has since accumulated 12 retractions. Both notices — from the journal Diabetologia, published by Springer and the the European Association for the Study of Diabetes (EASD) — say they have alerted Saad to their concerns about some of the images in the papers, and the university where he is based was asked to investigate more than one year ago. Since the journal has not yet received any information from the University of Campinas in Brazil, however, it decided to issue expressions of concern for the two papers.

Here’s the text of the first notice:

Continue reading Journal flags two more papers by diabetes researcher who sued to stop retractions (and now has 12)

Paper by Harvard cancer biologist flagged over “credible concerns”

A cancer biologist at Harvard who’s issued multiple editorial notices in recent years has received an expression of concern about a 2011 paper, citing “credible concerns” with the data and conclusions.

The publisher does not detail the nature of the issues in the notice.

In the past few years, last author Sam W. Lee lost a Molecular Cell paper in 2013 due to figure duplication and a Journal of Biological Chemistry paper in 2015, citing “manipulated” data in a figure.

Lee also issued two mega-corrections in 2011 in Nature and Current Biology, which also cited figure duplication. Interestingly, both papers were corrected for a second time — the 2006 Current Biology paper in 2016, over figure-related errors, and the 2011 Nature paper in 2015, over concerns the animals used may have experienced excess suffering (prompting an editorial from the journal).

The latest notice, issued by the Journal of Biological Chemistry, doesn’t provide much information for the basis of its expression of concern over Lee’s 2011 paper: Continue reading Paper by Harvard cancer biologist flagged over “credible concerns”

Researcher who sued to prevent retractions now has 12

A diabetes researcher who once sued a publisher to prevent several retractions has just issued his 12th.

The latest retraction, like several others for Mario Saad, appears in the journal Diabetes. Although in the past Saad expended considerable effort to protect four other Diabetes papers from this same fate, the latest retraction was initiated by the authors, citing several duplicated images. The American Diabetes Association had flagged the 2009 paper with an expression of concern earlier this year.

In 2015, Saad brought a lawsuit against the ADA, claiming that it “wrongfully published” four expressions of concerns in its flagship journal Diabetes, in an attempt to prevent the papers from being retracted. He lost, and the papers were retracted in 2016.

The lawsuit also did nothing to deter the ADA from flagging other potentially problematic papers with expressions of concerns, including the latest 2009 Diabetes paper, on which Saad is last and corresponding author.  Continue reading Researcher who sued to prevent retractions now has 12

Why do researchers commit misconduct? A new preprint offers some clues

Daniele Fanelli

“Why Do Scientists Fabricate And Falsify Data?” That’s the start of the title of a new preprint posted on bioRxiv this week by researchers whose names Retraction Watch readers will likely find familiar. Daniele Fanelli, Rodrigo Costas, Ferric Fang (a member of the board of directors of our parent non-profit organization), Arturo Casadevall, and Elisabeth Bik have all studied misconduct, retractions, and bias. In the new preprint, they used a set of papers from PLOS ONE shown in earlier research to have included manipulated images to test what factors were linked to such misconduct. The results confirmed some earlier work, but also provided some evidence contradicting previous findings. We spoke to Fanelli by email.

Retraction Watch (RW): This paper builds on a previous study by three of your co-authors, on the rate of inappropriate image manipulation in the literature. Can you explain how it took advantage of those findings, and why that was an important data set? Continue reading Why do researchers commit misconduct? A new preprint offers some clues

Journals retract paper, flag two others by cancer doc under investigation

Carlo Croce

This weekend, Carlo Croce had some reprieve from the misconduct accusations that have followed him for years (recently described in a lengthy article in the New York Times) and that have prompted his university to re-open an investigation. On Sunday, he received a prestigious award from the American Association for Cancer Research, honoring his work.

But the moment may have been short-lived. Today, Croce received two expressions of concern (EOCs) from PNAS for two well-cited papers published over a decade ago, on which Croce — chair of the Department of Cancer Biology and Genetics at The Ohio State University (OSU) — is last author. The two EOCs cite concerns over duplicated bands. What’s more, another journal recently decided to retract one of his papers, citing figures that didn’t represent the results of the experiments.

PNAS chose to issue EOCs, rather than retractions or corrections, because the authors didn’t agree that the bands were duplicated, according to executive editor Diane Sullenberger. She explained how the journal learned of the issues with the two papers: Continue reading Journals retract paper, flag two others by cancer doc under investigation

“It’s been three tough years:” Macchiarini whistleblower cleared of previous charges

Karl-Henrik Grinnemo

Karl-Henrik Grinnemo was worried. The doctor and clinical researcher at the Karolinska Institute was working with a high-profile surgeon who was performing a potentially life-saving procedure on patients, but Grinnemo saw that the patients weren’t doing very well. So in 2013, Grinnemo and three other doctors raised concerns about the work of Paolo Macchiarini. The surgeon initially fought back, and accused Grinnemo of misconduct. KI sided with the star surgeon, and found Grinnemo guilty of “carelessness” in a grant application to the Swedish Research Council, including plagiarism. Readers should by now know how the story ends – Macchiarini’s work has since been largely discredited. Recently, to clear his name, Grinnemo asked authorities to take a second look at his case – and he has been exonerated. We talked to him about the last few tumultuous years. 

Retraction Watch: How does the story begin?

Continue reading “It’s been three tough years:” Macchiarini whistleblower cleared of previous charges