Unexplained abnormalities in stem cells prompt Columbia researchers to pull diabetes paper

Researchers at Columbia University have retracted a 2013 paper in The Journal of Clinical Investigation, after uncovering abnormalities in the stem cell lines that undermined the conclusions in the paper. Last year, corresponding author Dieter Egli discovered he could not reproduce key data in the 2013 paper because almost all the cell lines first author Haiqing Hua used … Continue reading Unexplained abnormalities in stem cells prompt Columbia researchers to pull diabetes paper

Paper on natural ways to fight cancer stem cells nixed for plagiarism

Expert Opinion on Therapeutic Patents has retracted a 2015 review article about natural fighters of cancer stem cells for reproducing “content to a high degree of similarity without appropriate attribution or acknowledgement” from a handful of papers. Although the editor and publisher pulled the paper, they did so with the cooperation of the authors, according to … Continue reading Paper on natural ways to fight cancer stem cells nixed for plagiarism

It’s not a tumor: Authors retract 2005 Cancer Research paper linking adult stem cells to cancer

The authors of a 2005 Cancer Research paper that cast some doubt on the safety of a population of adult stem cells used frequently in research have retracted it. According to the retraction, in the August 15 issue of the journal: Upon review of the data published in this article, the authors have been unable … Continue reading It’s not a tumor: Authors retract 2005 Cancer Research paper linking adult stem cells to cancer

Japanese stem cell fraud leads to a new retraction

Last March, we reported on the retraction of a 2017 paper in Stem Cell Reports by Kohei Yamamizu and colleagues for widespread fabrication of figures. Turns out the problems were at least five years older than that. Yamamizu had received a pink slip from his institution, the Center for iPS Cell Research and Application (CiRA), … Continue reading Japanese stem cell fraud leads to a new retraction

UPDATED: Elsevier retracts a paper on solar cells that appears to plagiarize a Nature journal. But the reason is…odd.

The similarities between recent papers in two different journals about energy were striking — so striking that a number of people have taken to Twitter and Facebook to let the world know about them. [1415 UTC, August 29, 2018: See update at the end of this post.] One paper, “Systematic investigation of the impact of operation … Continue reading UPDATED: Elsevier retracts a paper on solar cells that appears to plagiarize a Nature journal. But the reason is…odd.

Stem cell paper falsification leads to firing; Nobelist also penalized

Kyoto University has “punitively dismissed” a researcher found guilty of falsifying nearly all of the figures in a 2017 stem cell paper.   According to an announcement Wednesday, the university fired the paper’s corresponding author, Kohei Yamamizu, after determining he had fabricated and falsified data in all but one figure in the 2017 Stem Cell Reports … Continue reading Stem cell paper falsification leads to firing; Nobelist also penalized

Researcher at Japan stem cell institute falsified nearly all images in 2017 paper

An investigation by Kyoto University in Japan has found a researcher guilty of falsifying all but one of the figures in a 2017 stem cell paper. Yesterday, Kyoto University announced that the paper’s first author, Kohei Yamamizu, had fabricated and falsified data in the Stem Cell Reports paper. According to the investigation report, none of … Continue reading Researcher at Japan stem cell institute falsified nearly all images in 2017 paper

Ethical concerns arise for head of controversial stem cell clinic

Journals are raising ethical concerns about the research of a doctor who offers controversial embryonic stem cell treatments. Two journals have issued expressions of concern for three papers by Geeta Shroff, who was the subject of a 2012 CNN investigative documentary. All cite ethical concerns; one mentions the potential link between the procedure the authors … Continue reading Ethical concerns arise for head of controversial stem cell clinic