Researcher loses second bid to quash Diabetes expressions of concern

It hasn’t been a good week for scientists going to court to silence criticism of their work. Yesterday, PubPeer won a near-complete victory in a case seeking the identities of their commenters. And also yesterday, a Massachusetts judge struck down — for the second time — a request by Mario Saad to remove expressions of … Continue reading Researcher loses second bid to quash Diabetes expressions of concern

PLoS ONE mega-correction, but no retraction, for researcher who sued diabetes journal

PLoS ONE has just issued a 12-figure correction on a paper by Mario A. Saad, who sued the American Diabetes Association unsuccessfully in an attempt to prevent it from retracting four papers in its flagship journal Diabetes. The corrections include taking out Western blots copied from another Saad paper, as well as several figures where the bands … Continue reading PLoS ONE mega-correction, but no retraction, for researcher who sued diabetes journal

Prominent geneticist David Latchman’s group notches second retraction

A team of researchers whose work is under investigation by University College London has retracted a second paper. Three of the 11 authors of the 2005 Journal of Cell Science paper being retracted — David Latchman, Richard Knight, and Anastasis Stephanou — were authors of a Journal of Biological Chemistry paper retracted in January. Stephanou … Continue reading Prominent geneticist David Latchman’s group notches second retraction

Several chem journals neutralize papers from Brazil group over figure fraud

Several journals have retracted or corrected papers from a group at State University of Maringá in Brazil over what one chemistry journal calls “fraudulent use” of figures previously published by the authors. Química Nova, which is retracting a 2013 paper, issued a notice that taps an additional eight articles with Angelica Lazarin as the corresponding author … Continue reading Several chem journals neutralize papers from Brazil group over figure fraud

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

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

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

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

Stem cell researcher Jacob Hanna responds to criticism

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 … Continue reading Stem cell researcher Jacob Hanna responds to criticism