NKG2C+ NK cells are enriched in AIDS patients with advanced-stage Kaposi's sarcoma.
Goodier, Martin R;
Mela, CM;
Steel, A;
Gazzard, B;
Bower, M;
Gotch, F;
(2007)
NKG2C+ NK cells are enriched in AIDS patients with advanced-stage Kaposi's sarcoma.
Journal of virology, 81 (1).
pp. 430-433.
ISSN 0022-538X
DOI: https://doi.org/10.1128/JVI.01567-06
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Kaposi's sarcoma (KS) is an AIDS-defining condition in individuals with human immunodeficiency virus type 1 infection. We investigated the phenotype and function of the NKG2C+ NK cell population in individuals with AIDS and Kaposi's sarcoma. The staging of AIDS KS patients according to the AIDS Clinical Trial Group criteria revealed that patients with the S1 disease stage have a significantly higher proportion of NKG2C+ cells than those with the S0 disease stage. NKG2C+ cells from S1-stage patients are highly enriched for the expression of KIR3DL1, are depleted of NKp46, and respond poorly to major histocompatibility complex class I-positive target cells. These data demonstrate a link between NK cell phenotype and function and disease prognosis in AIDS.
