Stem cell researcher Jacob Hanna’s correction count updated to 10

Thanks to some eagle-eyed readers, we’ve been alerted to some corrections for high profile stem cell scientist Jacob Hanna that we had missed, bringing our count to one retraction and 13 errata on 10 papers. The problems in the work range from duplications of images, to inadvertent deletions in figures, to failures by his co-authors to disclose … Continue reading Stem cell researcher Jacob Hanna’s correction count updated to 10

A correction to a correction for stem cell researcher Jacob Hanna

A correction to a correction is the latest problem for highly cited researcher Jacob Hanna. The stem cell scientist — whose high-profile work has received scrutiny over the past year — has amended an earlier correction notice after a reader spotted an inadvertent “mistake.” We reported on the original correction, to the 2009 Cell Stem Cell paper “Metastable Pluripotent States in NOD-Mouse-Derived ESCs,” in July. The … Continue reading A correction to a correction for stem cell researcher Jacob Hanna

JCI retracts paper by stem cell biologist Jacob Hanna, citing “figure irregularities”

The Journal of Clinical Investigation has retracted a 2004 paper by Jacob Hanna, a highly cited stem cell researcher in Israel whose work has been dogged by questions about its validity. Questions about the work, and other articles on which Hanna was an author, were raised on PubPeer last November. This is his first retraction. … Continue reading JCI retracts paper by stem cell biologist Jacob Hanna, citing “figure irregularities”

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

Cell biologist Hanna issues two errata; images mysteriously disappear from Imgur

Cell biologist Jacob Hanna, the highly cited stem cell researcher currently at the Weizmann Institute of Science,  has posted a long erratum for a 2005 paper in Blood for “inadvertent mistakes,” among other issues; soon after, Hanna’s team issued another erratum for a 2009 Cell Stem Cell paper. There’s more to tell: Last month, commenters … Continue reading Cell biologist Hanna issues two errata; images mysteriously disappear from Imgur

Stem cell researcher Hanna “working…to correct the unfortunate and inadvertent mistakes” in papers

Jacob Hanna of Israel’s Weizmann Institute has been a media darling for years, including as a member of the 2010 Technology Review 30 under 35 for his work with stem cells. However, questions have been mounting about his research, both on PubPeer (which has critical comments for 15 papers he’s an author on) and in other stem cell labs, who have … Continue reading Stem cell researcher Hanna “working…to correct the unfortunate and inadvertent mistakes” in papers

Structural biology corrections highlight best of the scientific process

If you need evidence of the value of transparency in science, check out a pair of recent corrections in the structural biology literature. This past August, researchers led by Qiu-Xing Jiang at the University of Texas Southwestern Medical Center corrected their study, first published in February 2014 in eLife, of prion-like protein aggregates called MAVS … Continue reading Structural biology corrections highlight best of the scientific process

Weekend reads: Savage peer reviews, cosmology claim bites dust, $50 million diet pill hoax

This week at Retraction Watch featured polar opposites: Two new entries in our “doing the right thing” category, and one in our plagiarism euphemism parade. Here’s what was happening elsewhere: