The major genetic determinants of HIV-1 control affect HLA class I peptide presentation.

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2010

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info:eu-repo/semantics/altIdentifier/doi/10.1126/science.1195271

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info:eu-repo/semantics/altIdentifier/pmid/21051598

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info:eu-repo/semantics/altIdentifier/eissn/1095-9203

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info:eu-repo/semantics/altIdentifier/urn/urn:nbn:ch:serval-BIB_7DB03A4B17331

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F. Pereyra et al., « The major genetic determinants of HIV-1 control affect HLA class I peptide presentation. », Serveur académique Lausannois, ID : 10.1126/science.1195271


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Infectious and inflammatory diseases have repeatedly shown strong genetic associations within the major histocompatibility complex (MHC); however, the basis for these associations remains elusive. To define host genetic effects on the outcome of a chronic viral infection, we performed genome-wide association analysis in a multiethnic cohort of HIV-1 controllers and progressors, and we analyzed the effects of individual amino acids within the classical human leukocyte antigen (HLA) proteins. We identified >300 genome-wide significant single-nucleotide polymorphisms (SNPs) within the MHC and none elsewhere. Specific amino acids in the HLA-B peptide binding groove, as well as an independent HLA-C effect, explain the SNP associations and reconcile both protective and risk HLA alleles. These results implicate the nature of the HLA-viral peptide interaction as the major factor modulating durable control of HIV infection.

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