Follow up on Advanced Cell Technology Inc
Seems there is more to the story I reported recently concerning Advanced Cell Technology techniques to produce stem cells without destroying the embryos.
Stem cell experiment killed embryos, researchers say - baltimoresun.com
Although it may be possible to extract stem cells without destroying embryos, in this case, they actually extracted cells several times and did indeed destroy the embryos in this case. The report was accurate but there seems to be a misunderstanding. Here is an excerpt from this article:
M. William Lensch, a stem cell researcher at Harvard, said using the method to create stem cell lines might be more difficult than the study implies because it’s not clear why only a small percentage of the extracted cells formed new lines.
“I think the study was written in a clever way so that it’s technically correct, but what they claimed beyond the paper, and on the Nature Web site and in the popular press, isn’t right,” he said.
In an interview yesterday, Dr. Robert Lanza, the senior author, noted that he and his team never claimed the embryos survived the experiments. When the study was published, Lanza and other experts had noted in interviews that embryos routinely survive when single cells are extracted in genetic tests at fertility clinics.
It seems more work needs to be done but I feel it is a step in the right direction and the work should continue with the hope in the near future of actually accomplishing what was reported in the popular press.
Technorati Tags: Advanced Cell Technolgy, stem cell, stem cells
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