Category: cell biology

UCL finds errors in work by biologist Cossu, but no “deliberate intention to mislead”

cossu
Cossu

A cell biologist at University College London (UCL) who has had one paper retracted and another corrected has been cleared of misconduct by the university.

The news, first reported by Times Higher Education, comes after a retraction of a paper by Giulio Cossu prompted by pseudonymous whistleblower Clare Francis that we wrote about in January.

Here’s the full text of UCL’s statement on the investigation: Continue reading UCL finds errors in work by biologist Cossu, but no “deliberate intention to mislead”

Failure to reproduce experiments, errors lead to retraction of pancreatic cancer paper

lab investThe authors of a paper in Laboratory Investigation have retracted it after they were unable to “reproduce key experiments,” and discovered “several minor errors.”

Here’s the retraction notice for “Slug enhances invasion ability of pancreatic cancer cells through upregulation of matrix metalloproteinase-9 and actin cytoskeleton remodeling,” by Liqun Wu and colleagues of The Affiliated Hospital of Medical College, QingDao University, in China’s Shan Dong Province: Continue reading Failure to reproduce experiments, errors lead to retraction of pancreatic cancer paper

Paper by Bristol-Myers Squibb researchers retracted for “unsolved legal reasons”

applied micro biotechA group of researchers at Bristol-Myers Squibb has had a paper retracted for reasons we can’t quite figure out.

All the notice for “Simultaneous expression of antibody light and heavy chains in Pichia pastoris: improving retransformation outcome by linearizing vector at a different site,” published in Applied Microbiology and Biotechnology, says is: Continue reading Paper by Bristol-Myers Squibb researchers retracted for “unsolved legal reasons”

Two Expressions of Concern in Blood for MD Anderson’s Aggarwal, who has threatened to sue Retraction Watch

aggarwalBharat Aggarwal, the MD Anderson researcher who has threatened to sue us while under investigation by his institution for alleged misconduct, now has two Expressions of Concern in addition to two corrections and two unexplained withdrawals.

Both of the papers were published in Blood. The Expression of Concern for “Gambogic acid, a novel ligand for transferrin receptor, potentiates TNF-induced apoptosis through modulation of the nuclear factor-κB signaling pathway,” reads: Continue reading Two Expressions of Concern in Blood for MD Anderson’s Aggarwal, who has threatened to sue Retraction Watch

Retraction appears for former Case Western dermatology researcher found by ORI to have falsified data

mol cell coverBryan William Doreian, who was found by the Office of Research Integrity (ORI) to have falsified data in his Case Western dissertation, has retracted a 2009 paper in Molecular Biology of the Cell also cited by the ORI.

Here’s the notice: Continue reading Retraction appears for former Case Western dermatology researcher found by ORI to have falsified data

Two more Eric Smart retractions appear

Eric J. Smart, via U Kentucky
Eric J. Smart, via U Kentucky

Eric Smart, the former University of Kentucky researcher found by the Office of Research Integrity to have faked images in ten papers, has two more retractions, both in the American Journal of Physiology — Cell Physiology.

Here’s one, for a paper cited four times, according to Thomson Scientific’s Web of Knowledge: Continue reading Two more Eric Smart retractions appear

ORI rules in longstanding University of Washington misconduct case

andrew_aprikyan
Andrew Aprikyan

A case of alleged misconduct at the University of Washington in Seattle may finally be over. The Office of Research Integrity released its findings following an investigation into the work of Andrew Aprikyan, a former hematology researcher at the university.

The Aprikyan case has dragged on for a decade. In 2010, the university fired the scientist after a court denied his appeals based on allegations that they had denied him due process. As the Seattle Times reported at the time:  Continue reading ORI rules in longstanding University of Washington misconduct case

Kenji Okajima retraction count grows to five

Kenji Okajima
Kenji Okajima

We’ve been following the case of Kenji Okajima, a professor at Nagoya City University in Japan who was suspended for six months following an investigation into work in his lab. Bits of the story — including at least one other university investigation, and scrutiny of Okajima’s colleagues, one of whom was fired — have been dribbling out for almost two years since a retraction notice in the Journal of Neuroscience.

In all, it looks as Nagoya found evidence of misconduct in 19 papers. The Journal of Neuroscience retraction appeared in 2011, and another showed up in the Journal of Immunology last year. Now there are three more: One in Translational Research and two in Blood.

Here’s the notice from Translational Research: Continue reading Kenji Okajima retraction count grows to five

Charge of “scientific yellow journalism” has supervisor seeing red, leads to retraction

small gtpasesLast October, Anica Klockars, a neuroscience researcher at Uppsala University in Sweden, and a colleague published a controversial comment in the journal Small GTPases, a Landes Bioscience title.

The title of the letter was meant to provoke: “Scientific yellow journalism.”

As the authors wrote: Continue reading Charge of “scientific yellow journalism” has supervisor seeing red, leads to retraction

“Redundant in principle”: Blood retracts paper built on double-dipping of data by co-author

blood coverBlood has retracted a 2012 paper by a pair of Swedish authors, one of whom appears to have misappropriated data from his mentor.

The article, titled “Microparticles are the basic storage units for different proteins in platelet granules,” appeared online in July 2012 and was written by Chi Zhang and Yang Yang, of the Royal Institute of Technology in Stockholm.

But as the retraction notice explains, there was a problem:

Continue reading “Redundant in principle”: Blood retracts paper built on double-dipping of data by co-author