Biology Faculty Articles

Innate Partnership of HLA-B and KIR3DL1 Subtypes Against HIV-1

ORCID

0000-0001-7353-8301

ResearcherID

N-1726-2015

Document Type

Article

Publication Title

Nature Genetics

ISSN

1061-4036

Publication Date

6-2007

Abstract

Allotypes of the natural killer (NK) cell receptor KIR3DL1 vary in both NK cell expression patterns and inhibitory capacity upon binding to their ligands, HLA-B Bw4 molecules, present on target cells. Using a sample size of over 1,500 human immunodeficiency virus (HIV)+ individuals, we show that various distinct allelic combinations of the KIR3DL1 and HLA-B loci significantly and strongly influence both AIDS progression and plasma HIV RNA abundance in a consistent manner. These genetic data correlate very well with previously defined functional differences that distinguish KIR3DL1 allotypes. The various epistatic effects observed here for common, distinct KIR3DL1 and HLA-B Bw4 combinations are unprecedented with regard to any pair of genetic loci in human disease, and indicate that NK cells may have a critical role in the natural history of HIV infection.

Volume

39

Issue

6

First Page

733

Last Page

740

Comments

©2007 Nature Publishing Group

Additional Comments

National Cancer Institute contract #: N01-CO-12400; US National Institute on Drug Abuse grant #: RO1-DA04334; NIH grant #: P30 AI027763

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