Source: Howard Hughes Medical Institute
Posted: August 21, 2006
Summary:
Scientists have discovered how the human immunodeficiency virus (HIV) "exhausts" killer T cells that would otherwise attack the virus. The researchers found that HIV can simply “turn off” fully functional T cells by flipping a molecular switch on the cells. In test tube studies, however, the scientists showed that they could reinvigorate the killer T cells by blocking that inhibitory switch.
Commentary: Maybe this finding will be a component of a new treatment for HIV in the future.
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