September 29, 2020

The Niche

Knoepfler lab stem cell blog

Ivan Oransky

3 min read

In a stunner, Harvard and Brigham & Women’s Hospital reportedly have jointly called for the retraction of 31 papers on heart stem cell research authored by embattled heart stem cell researcher Piero Anversa. The scoop on this by STAT/Retraction Watch written by Ivan Oransky and Adam Marcus gives further details on this mess and past travails of Anversa. He was the prime proponent of the idea of endogenous heart stem cells in adults, but things have gone south since his prime time as a …Read More

4 min read

Controversial TV physician Dr. Mehmet Oz hasn’t had a great year what with his disastrous testimony before Congress. (2020 Update; Dr. Oz recently had a good show on stem cell clinics so that’s something. I discussed issues with his staff prior to the show.) Now Dr. Oz has been slammed by a group doctors from across the country. Update: Orac points out that these doctors have some of their own baggage when it comes to science. They reportedly want him removed from Columbia because of …Read More

6 min read

The last two years at Nature Magazine have seen a surprising wave of paper retractions. In 2013 and now just so far in 2014, Nature has retracted a total of 14 papers. How unusual is that? Historically, Nature retracts relatively few papers, perhaps just under two per year on average. What the heck has been going on in 2013-2014? Let’s break it down. Last year in 2013, Nature retracted six papers, an unusually large number. Just year-to-date in 2014, things seem to have gone from bad to worse as Nature has already retracted eight …Read More