We studied HLA class I (HLA-A, -B) and class II (HLA-DRB1, -DQB1) alleles by PCR-SSP based typing in 665 Mexicans from the state of Nuevo León living in the city of Monterrey (N = 226) and rural communities (N = 439), to obtain information regarding allelic and haplotypic frequencies. We find that the most frequent haplotypes in the state of Nuevo León include 12 Native American and three European haplotypes. Admixture estimates revealed that the main genetic components in the state of Nuevo León are Native American (54.53 ± 0.87% by ML; 48.88% of Native American haplotypes) and European (38.67 ± 4.06% by ML; 32.59% of European haplotypes), and a less prominent African genetic component (6.80 ± 4.30% by ML; 8.26% of African haplotypes).
Keywords: Admixture; HLA; Immunogenetics; Nuevo León; Population genetics.
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