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Martin, Maureen P; Naranbhai, Vivek; Shea, Patrick R; Qi, Ying; Ramsuran, Veron; Vince, Nicolas; Gao, Xiaojiang; Thomas, Rasmi; Brumme, Zabrina L; Carlson, Jonathan M; Wolinsky, Steven M; Goedert, James J; Walker, Bruce D; Segal, Florencia P; Deeks, Steven G; Haas, David W; Migueles, Stephen A; Connors, Mark; Michael, Nelson; Fellay, Jacques; Gostick, Emma; Llewellyn-Lacey, Sian; Price, David A; Lafont, Bernard A; Pymm, Phillip; Saunders, Philippa M; Widjaja, Jacqueline; Wong, Shu Cheng; Vivian, Julian P; Rossjohn, Jamie; Brooks, Andrew G; Carrington, Mary
The Journal of clinical investigation, 05/2018, Letnik: 128, Številka: 5Journal Article
HLA-B*57 control of HIV involves enhanced CD8+ T cell responses against infected cells, but extensive heterogeneity exists in the level of HIV control among B*57+ individuals. Using whole-genome sequencing of untreated B*57+ HIV-1-infected controllers and noncontrollers, we identified a single variant (rs643347A/G) encoding an isoleucine-to-valine substitution at position 47 (I47V) of the inhibitory killer cell immunoglobulin-like receptor KIR3DL1 as the only significant modifier of B*57 protection. The association was replicated in an independent cohort and across multiple outcomes. The modifying effect of I47V was confined to B*57:01 and was not observed for the closely related B*57:03. Positions 2, 47, and 54 tracked one another nearly perfectly, and 2 KIR3DL1 allotypes differing only at these 3 positions showed significant differences in binding B*57:01 tetramers, whereas the protective allotype showed lower binding. Thus, variation in an immune NK cell receptor that binds B*57:01 modifies its protection. These data highlight the exquisite specificity of KIR-HLA interactions in human health and disease.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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