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HIV/AIDS Pathogenesis

NKp44L expression correlates with CD4 depletion and HIV RNA increase

Published in AIDS Weekly, October 24th, 2005

Expression of the cellular ligand for natural killer cell p44 during HIV infection correlates with depletion of CD4 cells and an increase in viral load.

"HIV infection leads to a state of chronic immune activation and progressive deterioration in immune function, manifested most recognizably by the progressive depletion of CD4+ T cells.

"A substantial percentage of natural killer (NK) cells from patients with HIV infection are activated and express the natural cytotoxicity receptor (NCR) NKp44," scientists in France report.

"Here we show that a cellular ligand for NKp44 (NKp44L) is expressed during HIV-1 infection and is...

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