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#173955
Thu 18 Jul 2013 08:15:PM
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Joined: Feb 2001
Posts: 381,903
Launch Director
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OP
Launch Director
Joined: Feb 2001
Posts: 381,903 |
Biologists have worked out the details of a mechanism that leads undifferentiated blood stem cells to become macrophages -- immune cells that attack bacteria and other foreign pathogens. The process involves an unexpected cycle in which cell division slows, leading to an increased accumulation of a particular regulatory protein that in turn slows cell division further. The finding provides new insight into how stem cells are guided to generate one cell type as opposed to another.  Source: Immunity: A secret to making macrophages
David Cottle
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