Search Results for: Charles Vacanti

Latest developments and scoops on STAP stem cells

stap-stem-cells-fetus-300x2251

Acid-induced pluripotent or even totipotent stem cells, called STAP stem cells, have thrown the stem cell field for a bit of a loop. For more background see my interview with the key public face of STAP, Dr. Charles Vacanti, as well as my review of their paper, my top 5 reasons for skepticism, and some other thoughts. Do you believe in …

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Review of Obokata STAP cells Nature papers

STAP-stem-cells

In two Nature papers (here and here) published today researchers report the astounding finding of reprogramming differentiated cells back to a pluripotent or even totipotent state simply by exposing the cells to extreme environmental stress, creating cells they called STAP cells. Update: see more thoughts on STAP stem cells here. STAP cells: stressing the cell …

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Interviews

I’ve been fortunate to interview some of the greats in the stem cell field for this blog and host debates between key players. Please note that just because I have interviewed folks does not mean I agree with them or that they agree with me. The point is to establish dialogue on key issues. As …

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Seismologist from Japan looks at the STAP cells mess

Robert-J.-Geller

I’m a seismologist at the University of Tokyo, where I’ve been since 1984. I was the first tenured foreign faculty member in the history of our university. If you look at my publication list on the Researcher ID site you can see that my main research recent interests are modeling seismic wave propagation and analyzing …

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In a pickle over STAP stem cells: main reasons for skepticism

in-a-pickle

If you take an ordinary cucumber and soak it in a mild acid solution of vinegar for a few weeks you get a pickle, which is where we find STAP stem cells. Recently, some scientists reported in Nature that if you take ordinary cells and soak them in a mild acid solution for 30 minutes, …

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