Month: February 2014

In cell Olympics iPS cells get gold, while STAP cells are too young to judge

If you are like me, you’ve managed to watch at least a bit of the Olympics the last few weeks. Sometimes I squeeze in a few minutes late at night while multi-tasking writing a grant. Other folks with more time on their hands are Olympics fanatics with gold medals, ice, and snow on the brain …

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STAP 3.0: Patent, New Paper Problems, & Poll Plummet

STAP-stem-cells-hope-or-mirage-201x3001

People have been taking a long look over the last 24 hours or so at the STAP stem cell patent application filed by Charles Vacanti, his brother, Obokata, and others. Any reactions? I don’t know much about patents so I’d be curious of your impressions. New STAP paper troubles? I’m hearing through the stem grapevine …

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Nature Post-Pub Examination of Its Own STAP Stem Cell Papers Breaks New Ground

Nature

What’s the latest surprise on the STAP stem cell front? There have been many unexpected turn along the way in the past few weeks of the rollercoaster ride the stem cell field is on related to STAP stem cells, the super powerful stem cells reportedly (in two papers in Nature) made “simply” by exposing cells …

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Oddest Things About Unfolding STAP Stem Cell Story

STAP-stem-cells

We know quite a bit more about the Nature papers on stress-induced STAP stem cells than we did just a couple weeks ago when they were published, but there are many crucial outstanding questions too and odd things that remain unresolved. Below are my top STAP stem cell oddities. 10. Dr. Vacanti says that STAP …

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STAP stem cell update 2.0: method isn’t working so far, investigations & more

LOW-RES-credit-Haruko-Obokata.jpg

Today may be a turning point in the STAP stem cell story. Nature itself opened up in a newsy piece about the events that have occurred in the past couple weeks since they published two related papers on acid/other stimulus-induced powerful pluripotent or totipotent stem cells (aka STAP stem cells). Update: Science also published a …

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Do You Believe in STAP Stem Cells: Poll Week 3

STAP-STEM

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 …

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STAP stem cells week 2 poll results: more uncertainty

Obokata-FIg.-1

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 …

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New Ways of Thinking About Stem Cells: Book Excerpt

Waddington Lanscape Knoepfler

Sometimes you think you know a person and they suddenly surprise you by doing something so new that it is shocking or by taking on a new personality. Cells can be that way too. In my book on stem cells, Stem Cells: An Insider’s Guide (you can buy it here on Amazon–it’s very affordable–or also here at …

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Note on policy on commenting and how it relates to STAP stem cell situation

Haruko-Obokata

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 …

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STAP stem cell update: more prelim data, missing data, & 2011 paper problems

PH-STAP-test

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 …

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