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New Guidelines for Human Embryonic Stem Cell Research

Caption: Photograph of a human embryonic stem cell colony, on a background of mouse embryonic fibroblast feeder cells, stained with Wright-Giemsa to highlight the individual cells of the colony.. This image relates to article that appeared in the Feb. 2, 2007, issue of the journal Science, published by AAAS. The study, by Dr. G. Q. Daley and colleagues of Children's Hospital Boston in Boston, MA, was titled "The ISSCR Guidelines for Human Embryonic Stem Cell Research."

Credit: Photo provided by M. William Lensch, PhD. Harvard. Medical School, via Science-AAAS.

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