Retraction Watch

Tracking retractions as a window into the scientific process

Archive for the ‘circulation’ Category

Vector wasn’t a gift after all, correction notes

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CirculationA paper accidentally credited the wrong researcher with providing part of an experiment.

It turns out that one of the authors supplied an expression vector to a Circulation paper about the molecular underpinnings of atherosclerosis — not the outside researcher originally thanked in the acknowledgements section.

The correction notice to the paper makes the situation sound more mysterious than it appears to be:

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Biologist’s research under investigation in Sweden after being questioned on PubPeer

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Holgersson

Suchitra Sumitran-Holgersson

The University of Gothenburg in Sweden is investigating several papers co-authored by biologist Suchitra Sumitran-Holgersson after they were challenged on PubPeer.

Sumitran-Holgersson already has one retraction under her belt — of a 2005 Blood paper, after another investigation concluded the results “cannot be considered reliable.” Sumitran-Holgersson and her husband, co-author Jan Holgersson, did not sign the retraction notice. Both were based at the Karolinska Institutet (KI) at the time, but have since moved to the University of Gothenburg.

Now, the University of Gothenburg has launched its own investigation of the papers questioned on PubPeer, according to Read the rest of this entry »

Stem cell researcher that sued Harvard failed to disclose conflicts on 6 publications

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Piero Anversa, a stem cell researcher who we recently learned is leaving Harvard and Brigham & Women’s Hospital after suing them, has added a disclosure statement to six publications.

The four papers and two letters were published in Circulation, and all bear identical corrections:

Piero Anversa, MD, discloses that he is a member of Analogous, LLC.

The author regrets this omission.

Trouble is, we can’t find a company by that name. What we do know:

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Mega-correction for updated CPR reporting guidelines

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CirculationA major correction has been posted for an update to international guidelines on reporting outcomes of people receiving cardiopulmonary resuscitation (CPR).

Circulation published the paper online in 2014; the correction was issued before it appeared in print, in the journal’s September 29, 2015 issue. “When reviewing the final proof for print publication, the author noticed some errors and requested changes,” according to a spokesperson for the journal’s publisher, the American Heart Association.

The notice is so long, we’re only including the first paragraph, most of which is taken up by just the title of the paper:

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Updated: Former Vanderbilt scientist faked nearly 70 images, will retract 6 papers: ORI

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ori logoA former Vanderbilt University biomedical engineer committed fraud on a massive scale, according to a new Office of Research Integrity (ORI) report.

Igor Dzhura is banned from receiving federal funding for three years, and is retracting six papers, which have been cited more than 500 times. Since leaving Vanderbilt, he has worked at SUNY Upstate Medical University, and now works at Novartis.

According to the ORI, Dzhura was a busy boy at Vanderbilt, faking images and drastically inflating the number of experiments he conducted by duplicating computer files and saving them in nested folders. The total body count from his work includes: Read the rest of this entry »

Harvard and the Brigham investigating leading heart group for “compromised” data

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circulationcoverCirculation has retracted a 2012 study by a group of Harvard heart specialists over concerns of corrupt data, and the university is investigating. The group was led by Piero Anversa, a leading cardiologist, and Joseph Loscalzo — who will be familiar to readers of Circulation as the editor in chief of that journal. (Anversa’s also on the editorial board).

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Cardiology journals retract five Matsubara studies

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matsubaraThe American Heart Association (AHA) is retracting five studies by Hiroaki Matsubara, a former Kyoto Prefectural University cardiology researcher, that it had subjected to an expression of concern last year.

Here’s the notice: Read the rest of this entry »

Tell-tale hearts: Cardiology journals retract redundant articles

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The European Journal of Cardiothoracic Surgery has retracted a 2007 article by Chinese researchers after the senior author decided he liked the data so nice he’d publish them twice. And he appears to have done so without the knowledge of the corresponding author.

Here’s the notice for the paper, titled “Open-heart surgery in patients with liver cirrhosis”: Read the rest of this entry »

Circulation retracts four papers by author who misled on IRB approval

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Circulation has retracted four articles by a pediatric cardiologist in Japan who failed to obtain ethics approval for the studies in question but evidently lied about it to the journal.

The researcher, Hideaki Senzaki, of Saitama Medical University, is a highly-published investigator who trained for a time with at Johns Hopkins.

According to the Circulation notice: Read the rest of this entry »

Written by amarcus41

June 13th, 2012 at 9:30 am

Five papers by prominent cardiologist Hiroaki Matsubara subject to Expression of Concern

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Hiroaki Matsubara

The American Heart Association, which publishes a number of journals, has issued an Expression of Concern about five papers in three of their publications, following allegations of image manipulation. All of the papers include Hiroaki Matsubara, of Kyoto Prefectural University, as a co-author.

The notice begins:

It has come to the attention of the American Heart Association (AHA), in a public manner, that there are questions concerning a number of figures in several AHA journals’ articles…

The “public manner” was three posts last year on the Abnormal Science blog, available here, here and here, alleging that images were manipulated in the manuscripts, and that histology slides were reused.

The notice continues: Read the rest of this entry »