Characterization of natural killer cell phenotype and function during recurrent human HSV-2 infection.
basic_science · Level V
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- Record sourced from PubMed, PMID 22110712.
- Also identified by DOI 10.1371/journal.pone.0027664 and PMC identifier PMC4969010.
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Abstract
Human natural killer (NK) cell differentiation, characterized by a loss of NKG2A in parallel with the acquisition of NKG2C, KIRs, and CD57 is stimulated by a number of virus infections, including infection with human cytomegalovirus (CMV), hantavirus, chikungunya virus, and HIV-1. Here, we addressed if HSV-2 infection in a similar way drives NK cell differentiation towards an NKG2A(-)NKG2C(+)KIR(+)CD57(+) phenotype. In contrast to infection with CMV, hantavirus, chikungunya virus, and HIV-1, recurrent HSV-2 infection did not yield an accumulation of highly differentiated NK cells in human peripheral blood. This outcome indicates that human HSV-2 infection has no significant imprinting effect on the human NK cell repertoire.