Abstract
The Swine leukocyte antigen (SLA) class I genes encode multi-glycoproteins on cell surface, which present endogenous antigenic peptides to T cells and thus initiate specific immune responses. In this article, latest advances on molecular structure, expression in tissues, regulation of expression, genotyping, polymorphism, and evolution of SLA class I genes were introduced, in which genotyping and polymorphism were emphasized. Molecular typing methods of SLA class I genes include serological method, DNA sequencing, PCR-SSP, PCR-SSOP and MS, of which PCR-SSP is frequently used in genotyping of SLA class I genes as a simple and rapid method. Future directions for the study and application of SLA class I genes on gene functions, peptide vaccine, xenotransplantation were also discussed.
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