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Can You Hear Me Now? Scientists Find Previously Unknown Receptors On Adult Stem Cells  
6/20/2006 1:54:11 PM

Scientists at the Oklahoma Medical Research Foundation have discovered that marrow stem cells -- undifferentiated cells that eventually give rise to the blood cells that fight infection -- possess receptors that recognize bacteria and viruses. When activated, these receptors kick the stem cells and immature blood cells into action, enlisting them to help fight whatever pathogen is attacking the body.
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