September 19, 2020

The Niche

Knoepfler lab stem cell blog

Yoshiki Sasai

1 min read

I’m tracking opinion in the world of stem cells on STAP stem cells, those acid-induced stem cells reported in Nature. I’m hoping to capture potential dynamic changes in people’s views as the STAP stem cell situation evolves. Even if you’ve voted in my past polls, this is a new one so you can (and please do) vote again in this one based on your current perceptions.

1 min read

I’ve been doing polling on people’s views about STAP stem cells. You can see the week 1 poll results here. I’ve just closed the week 2 polling and the results are above. In week 1 while there was a significant split between respondents, the polling leaned clearly toward people being more positive about STAP stem cells. In week 2 polling that lean has largely disappeared leaving an almost perfectly divided response and “on the fence” has risen quite a bit from week 1. It’s …Read More

1 min read

It is important for the stem cell field to gain clarity on STAP stem cells. For this reason it is reasonable and at times helpful to critically discuss the data, past findings, concerns about elements of publications, and such. However, it is not helpful and is in fact against the policy of this blog to engage in the comments in personal attacks, whether direct or implied. So I am reminding commenters to adhere to the policy of not engaging in personal attacks as we …Read More

2 min read

What’s the latest on the now two-week-old STAP stem cell saga? More preliminary data from around the world.  People continue to deposit their data into our crowdsourcing page with 8 reports so far and I know some of them are from top-notch labs. Only one of them is even slightly encouraging with a report of faint activity from a Nanog-GFP reporter, while the rest are discouraging. It is still early days, but I think if nothing else so far these reports tell us that …Read More