A cross-country collaboration

Wednesday, July 31, 2013 - 12:30 in Biology & Nature

Eight years ago, two former Stanford University postdoctoral fellows, one of them still in California and the other at the Harvard Stem Cell Institute (HSCI) in Cambridge, began exchanging theories about why patients with leukemia stop producing healthy blood cells. What was it, they asked, that caused bone marrow to stop producing normal blood-producing cells? And after almost a decade of bicoastal collaboration, Emmanuelle Passegué, now a professor in the Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research at the University of California, San Francisco, and Amy Wagers, a professor in Harvard’s Department of Stem Cell and Regenerative Biology, have the answer. They have found that cancer stem cells actively remodel the environment of the bone marrow, where blood cells are formed, so that it is hospitable only to diseased cells. This finding could influence the effectiveness of bone marrow transplants, currently the only cure for late-stage leukemia,...

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