Word: stadtfeld
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Indeed, the new breakthroughs that might eliminate the need for embryonic stem cells have only been made possible because of previous work performed with embryonic stem cells, according to Matthias Stadtfeld, a Harvard scientist who has recently published papers on non-embryonic stem cells...
...Matthias Stadtfeld, the lead author for Hochedlinger’s paper on the use of harmless adenoviruses, cautioned that the efficiency of producing iPS cells using this method is “already very, very...
...Stadtfeld added that though chemicals do not permanently alter the genetic makeup of the cells, they are not necessarily safer than viruses...
...Currently, the number of iPS cells produced using retroviruses is significantly higher than that from the harmless adenoviruses. Stadtfeld, who is a post-doctoral research fellow at Harvard-affiliated Mass. General Hospital, estimated that using the more-dangerous retroviruses is 10 to 100 times more efficient than the new adenovirus method...
...long as we don’t know that iPS cells are really as good as embryonic stem cells in generating all types of body tissues, we should be obliged to continue,” Stadtfeld said...