Article
HLA class I molecular variation and peptide-binding properties suggest a model of joint divergent asymmetric selection.
Immunogenetics - 1 Jul 2016
Buhler Stéphane, Nunes José Manuel, Sanchez-Mazas Alicia
Abstract excerpt
The main function of HLA class I molecules is to present pathogen-derived peptides to cytotoxic T lymphocytes. This function is assumed to drive the maintenance of an extraordinary amount of polymorphism at each HLA locus, providing an immune advantage to heterozygote individuals capable to present larger repertories of peptides than homozygotes. This seems contradictory, however, with a reduced diversity at...
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