Posted AT 3:45 AM EST on 07/08/08
Genetic find puts scientists a step closer to generating replacement organs
Canadian researchers say they have found a reliable way to direct the growth of stem cells from human embryos, taking an important step toward generating replacement parts for ailing patients.
Stem cells are the shape-shifters of biology, able to morph into any of the 200 tissue types in the human body.
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Discussion:
Experts take questions on losing weight
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Breakdown
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Special report:
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