Evidence after imputation for a role of MICA variants in nonprogression and elite control of HIV type 1 infection.
other · Level V
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- Record sourced from PubMed, PMID 24939907.
- Also identified by DOI 10.1093/infdis/jiu342.
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Abstract
Past genome-wide association studies (GWAS) involving individuals with AIDS have mainly identified associations in the HLA region. Using the latest software, we imputed 7 million single-nucleotide polymorphisms (SNPs)/indels of the 1000 Genomes Project from the GWAS-determined genotypes of individuals in the Genomics of Resistance to Immunodeficiency Virus AIDS nonprogression cohort and compared them with those of control cohorts. The strongest signals were in MICA, the gene encoding major histocompatibility class I polypeptide-related sequence A (P = 3.31 × 10(-12)), with a particular exonic deletion (P = 1.59 × 10(-8)) in full linkage disequilibrium with the reference HCP5 rs2395029 SNP. Haplotype analysis also revealed an additive effect between HLA-C, HLA-B, and MICA variants. These data suggest a role for MICA in progression and elite control of human immunodeficiency virus type 1 infection.
Medical subject headings
- Disease Resistance
- HIV Infections
- HIV-1
- Histocompatibility Antigens Class I