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. Author manuscript; available in PMC: 2012 Feb 15.
Published in final edited form as: J Acquir Immune Defic Syndr. 2011 Jul 1;57(3):181–189. doi: 10.1097/QAI.0b013e3182174a76

FIGURE 1.

FIGURE 1

Magnitudes of natural killer (NK) cell responses to Env (A) and viral loads (B) of individuals in the total group stratified according to the presence or absence of an HLA-C1 allele. Responses represent the percent of CD3-negative (NK) cells that produce interferon-γ in response to the Env peptide pool after subtraction of background (described in the study by Tiemessen et al13). Possession of one HLA-C1 allele groups together individuals who are C1C1 homozygotes or C1C2 heterozygotes (n = 57) in the total group; no HLA-C1 indicates C2C2 homozygotes (n = 19). Log10 viral load: HIV-1 RNA copies/mL.