The number of human embryos needed for medical research could be greatly reduced following the announcement yesterday that doctors have found that testicular cells can turn into a wide range of other types found in the body.More
...a forthcoming study in the journal Nature will describe how a team in Germany, where [human] embryo research is forbidden, has successfully isolated highly flexible stem cells from adult mouse testes that exhibit properties similar to embryonic stem cells.
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The team which reports the advance, led by Prof Gerd Hasenfuss of the Georg-August-University of Goettingen, show that the testis cells are remarkably flexible: capable of forming all three "germ layers" - the basic three cellular layers, ectoderm, endoderm, and mesoderm - from which the body's organs and tissues develop.
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