Search Results for: stem cell

Two researchers guilty of misconduct, says university investigation

A Swedish university has concluded that two professors studying tissue engineering are guilty of misconduct in two published papers, including a 2012 study in The Lancet. The two researchers are  Suchitra Sumitran-Holgersson and Michael Olausson, both based at the University of Gothenburg. The university investigation — launched after several of Holgersson’s papers were questioned on PubPeer — has … Continue reading Two researchers guilty of misconduct, says university investigation

Weekend reads: The risks of spotlighting reproducibility; harassment = scientific misconduct?; trouble with funnel plots

The week at Retraction Watch featured the case of a peer review nightmare, and a story about harassment by a would-be scientific critic. Here’s what was happening elsewhere:

Macchiarini blames Karolinska for losing data as he retracts 2014 paper

Ask and ye shall receive: A journal has retracted a 2014 paper by Paolo Macchiarini, upon request from the Karolinska Institutet (KI). The latest news is only one step in a long-running saga about former star surgeon Macchiarini, who was dismissed from KI last year. To read more, check out our timeline. KI announced it was … Continue reading Macchiarini blames Karolinska for losing data as he retracts 2014 paper

Weekend reads: How to speed up peer review; the whipsaw of science news headlines; data-sharing stance sparks resignation request

The week at Retraction Watch featured more fallout from a citation-boosting episode, and a look at when animal research becomes unnecessary and cruel. Here’s what was happening elsewhere:

Journal pulls paper with missing data, citing inquiry and legal proceedings

A journal has retracted a 2012 paper after the last author was unable to provide material to support the results presented in multiple figures. The lack of supporting data came out during “an internal inquiry and subsequent legal proceedings,” according to the notice, issued by Cell Cycle. The last author on the paper is Susana … Continue reading Journal pulls paper with missing data, citing inquiry and legal proceedings

A Harvard whistleblower was subjected to a forced mental exam. Here’s why.

Last March, a PhD student at Harvard filed a misconduct allegation against his mentor, a prominent stem cell researcher. Three months later, he was taken from his home by police in the middle of the night for a forced psychiatric evaluation. How did this happen?

Weekend reads: Citation cartels; less authorship credit for women; theft by peer reviewers

The week at Retraction Watch featured a discussion of whether peer reviewers should replicate experiments, and a look at whether social psychology really has a retraction problem. Here’s what was happening elsewhere:

Karolinska requests retraction of 2014 Macchiarini paper

It has been a tough couple of years for surgeon Paolo Macchiarini, once lauded for pioneering a groundbreaking procedure to transplant tracheas. After a series of documentaries prompted his former employer, Karolinska Institutet (KI), to reopen a misconduct investigation against him, KI has today released one verdict regarding a 2014 Nature Communications paper: guilty. KI said … Continue reading Karolinska requests retraction of 2014 Macchiarini paper

Prominent heart researcher dismissed by Ontario university; colleagues appeal

Earlier this month, Morris Karmazyn, an award-winning cardiovascular researcher who’s published hundreds of papers, was called into a meeting with the office of faculty relations at the University of Western Ontario, and terminated. The reason? A series of image problems in some of his papers, raised by a former member of his lab. When Karmazyn, Canada … Continue reading Prominent heart researcher dismissed by Ontario university; colleagues appeal

What do retractions look like in Korean journals?

A new analysis of retractions from Korean journals reveals some interesting trends. For one, the authors found most papers in Korean journals are retracted for duplication (57%), a higher rate than what’s been reported in other studies. The authors also deemed some retractions were “inappropriate” according to guidelines established by the Committee on Publication Ethics (COPE) … Continue reading What do retractions look like in Korean journals?