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Previous Volume 355:1634-1635 October 19, 2006 Number 16 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

	Full Text PDF PDA Full Text Perspective by Okie, S. Add to Personal Archive Add to Citation Manager Notify a Friend E-mail When Cited E-mail When Letters Appear PubMed Citation

Scientists at Advanced Cell Technology, a California company, reported in August that a single cell taken from an eight-cell human embryo can sometimes be coaxed to produce embryonic stem cells, suggesting that such "biopsies" might be a way to generate new stem-cell lines while preserving embryos.

The report, published online by the journal Nature,¹ stirred up considerable controversy, in part because both the journal's initial press release and a podcast interview with senior author Robert Lanza gave the impression that two new lines had been created without destroying any embryos. "What we have done, for the first time, is to . . . [Full Text of this Article]

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Dr. Okie is a contributing editor of the Journal.

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