Publisher and uni go head to head over disputed images in diabetes papers

Mario Saad, via unicamp.br
Mario Saad, via unicamp.br

The State University of Campinas University of Campinas and the American Diabetes Association disagree strongly over how to handle disputed images from faculty member Mario Saad, who is suing the ADA to prevent retraction of his papers.

While the State University of Campinas University of Campinas (Unicamp) acknowledges that 2 of Saad’s papers contain “mistakes”, it concluded there was “not an intention in the actions of the authors,” and the mistakes did not have a negative impact on the scientific community. Ultimately: “the studies published have their own strength, are healthy and were not artificially strengthened by the incorrect images.”

In response, however, Saad’s lawsuit says the ADA asked the school to reinvestigate the articles, and refused to accept any papers from Unicamp faculty in any ADA journals until the issues are resolved.

The ADA has issued four expressions of concern in Saad’s research published in its flagship journal, Diabetes. Saad’s lawsuit aims to prevent the journal from retracting those papers, and asks for monetary compensation.

Retraction Watch has obtained a report of the investigation by Unicamp and Saad’s lawsuit. You can read the full lawsuit here, and the investigation report here.

Here is an excerpt from the Unicamp’s findings: Continue reading Publisher and uni go head to head over disputed images in diabetes papers

Figure dupe sinks cell bio paper

cellular biohemTulane researchers Tong Wu and Chang Han, who have been anonymously accused of figure duplication in the past, have now finally lost a paper for that reason.

The frequent plagiarism tipster Juuichi Jigen (a pseudonym) set up a blog in 2012 alleging that the pair inappropriately reused images in six other papers, though none of those have been retracted. The recent notice, issued at the end of January by the Journal of Cellular Biochemistry, states that the figure duplication was confirmed by the University of Pittsburgh’s Office of Research Integrity. Han, the first author, was at UPitt when the paper was published in 2008, though she moved to join Wu at Tulane in 2009.

Here’s the notice for “Regulation of Wnt/ß-Catenin Pathway by cPLA2α and PPARδ“: Continue reading Figure dupe sinks cell bio paper

Diabetes researcher sues journal to prevent retractions of papers cited more than 600 times

Mario Saad, via unicamp.br
Mario Saad, via unicamp.br

Mario A. Saad, who last year retracted a paper for plagiarism, is now suing the American Diabetes Association over four expressions of concern in its flagship journal, Diabetes.

As reported in the Boston Business Journal, Saad’s lawsuit claims that his institution, the State University of Campinas, investigated two articles at the journal’s behest. The American Diabetes Association was unhappy with the results, and asked the school to reopen the investigation, including two additional papers.

Saad is suing to prevent the journal from retracting the papers, in addition to monetary compensation.

Continue reading Diabetes researcher sues journal to prevent retractions of papers cited more than 600 times

Fourth retraction appears for cancer researcher Anil Jaiswal

cancer research 1113The hits keep coming for University of Maryland researcher Anil Jaiswal.

The latest retraction for the cell biologist is in Cancer Research, for a 2007 paper about ways in which the cell tries to protect the tumor suppressor p53. Like the first Jaiswal retraction we covered, the latest notice specifically taps figure duplication as the cause of death, “as a result of an error.” The other two retractions gave no explanation for the withdrawal.

Here’s the notice: Continue reading Fourth retraction appears for cancer researcher Anil Jaiswal

Authors retract 2007 PNAS paper on aging due to figure’s “unintentional anomalies”

pnas 2515The authors of a 2007 PNAS paper that provided molecular details for how calorie restriction may act on Sir2 enzymes to extend life are now retracting their research after discovering a figure was compromised by “several unintentional anomalies in the background image.”

According to study author David W. Piston at Vanderbilt University, first author Qinghong Zhang cut and pasted images together to beautify a figure showing how a form of sugar affects the expression of SIRT1, the mammalian version of the Sir2 enzyme: Continue reading Authors retract 2007 PNAS paper on aging due to figure’s “unintentional anomalies”

Conflict of interest, figure issues net retraction for cancer paper

am j pathologyTwo major problems sunk this cancer paper.

For one, many of the images were copied from another paper. In addition, one of the authors did not disclose that he was the president of a related company, nor that his company provided reagents for the experiments.

It’s not clear when the paper was published, but The paper was published on October 16, 2014, and a withdrawal notice went up on January 16, 2015. Here’s the retraction for “Enhanced Detection and Phenotypic and Karyotypic in Situ Characterization of Circulating Tumor Cells”: Continue reading Conflict of interest, figure issues net retraction for cancer paper

Bad image prompts correction of Harvard-Brigham stem cell paper by Anversa

circresA group of Harvard stem cell researchers who already have one retraction and an expression of concern now have a correction. This one’s in Circulation Research, and it involves an image that previously had been flagged as suspicious in our comments.

The group is led by Piero Anversa, who as we reported last year is one of two researchers suing Harvard because the institution’s investigation into their work

has cost them millions in a forfeited sale of their company, and job offers.

Continue reading Bad image prompts correction of Harvard-Brigham stem cell paper by Anversa

Former Pitt cancer researcher admits to faking findings

Dong Xiao
Dong Xiao

A former researcher at the University of Pittsburgh inflated the number of mice used in his experiments, and faked data in a number of images in a paper reporting the results, according to the Office of Research Integrity (ORI).

Dong Xiao admitting to having

intentionally fabricated data contained in a paper entitled ‘Guggulsterone inhibits prostate cancer growth via inactivation of Akt regulated by ATP citrate signaling,’ specifically Figure 6G,

the ORI reports. The paper was published in  in July 2014 in Oncotarget. Here’s Figure 6: Continue reading Former Pitt cancer researcher admits to faking findings

Cut and paste and a PC crash: figure manipulations sink two papers

jnc

Two papers by an overlapping group of researchers in Italy have been retracted for manipulated figures.

In late 2013, perennial tipster Clare Francis sent their concerns about several papers, including the two that have been retracted, by authors who frequently publish together. One of the papers, in the Journal of Neurochemistry, is from a team led by Ferdinando Nicoletti; four other papers from the group have been criticized on PubPeer for image manipulation, which he addressed via email with us.

The second retracted paper, from the Journal of Immunology, has shares one author with the first: Patrizia Di Iorio of the University of Chieti, though according to Nicoletti she had no role in preparing the figures.

Here’s the April 2014 notice for “Neuroprotection mediated by glial group-II metabotropic glutamate receptors requires the activation of the MAP kinase and the phosphatidylinositol-3-kinase pathways” in the Journal of Neurochemistry. It’s behind a paywall, but the journal has assured us this is against policy and they will be fixing it shortly:
Continue reading Cut and paste and a PC crash: figure manipulations sink two papers

Stem cell researcher Jacob Hanna responds to criticism

Jacob Hanna
Jacob Hanna

Over the past few months, there has been a great deal of criticism of the work of stem cell researcher Jacob Hanna, especially on PubPeer.

Now, Hanna has responded in the comments of the PubPeer entries for a number of papers. He has also posted a number of PDFs, including his PhD thesis, and correspondence with scientists who have been critical of his work.

He also wrote a response to a criticism published on bioRxIV, a non-peer reviewed repository of biology pre-prints.

One of Hanna’s comments on PubPeer is a summary of the issues with his Blood paper on PubPeer, blaming the figure errors on “medical trainees” who did the word while he was away at Mount Sinai. Here’s his explanationContinue reading Stem cell researcher Jacob Hanna responds to criticism