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iPS_Mouse - Taken from Scientific American...

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Taken from Scientific American  http://www.scientificamerican.com/blog/60-second-science/post.cfm?id=meet-tiny-a-mouse- grown-from-induce-2009-07-24 Meet "Tiny," a mouse grown from induced stem cells By Katherine Harmon in 60-Second Science Blog Thanks to a little mouse named Tiny, researchers have now shown that full, living mammals can be grown from so-called induced pluripotent stem cells—cells from an adult that act in many ways like embryonic stem cells . Xiao Xiao, as the rodent is called in its native Chinese, was one of dozens created from induced pluripotent stem cells (iPS cells) and born to a surrogate mother. The process is described in a study published yesterday in Nature ( Scientific American is part of Nature Publishing Group). Researchers used a virus to deliver four genes into fibroblast cells taken from adult mice, triggering the change to iPS cells. These cells were then implanted into an embryo that didn’t have the requisite genetic information for it to develop beyond a placenta. That these implanted embryos
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