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  • Title: HLA-DR and -DQ polymorphism in Cameroon.
    Author: Pimtanothai N, Hurley CK, Leke R, Klitz W, Johnson AH.
    Journal: Tissue Antigens; 2001 Jul; 58(1):1-8. PubMed ID: 11580849.
    Abstract:
    HLA-DRB1, -DQA1 and -DQB1 allele frequencies were determined by high-resolution polymerase chain reaction using sequence-specific oligonucleotide probes (PCR-SSOP) and/or DNA sequencing in 126 healthy individuals in Cameroon. Eighteen DRB1, 11 DQA1, and 18 DQB1 alleles were observed. The most common alleles at each locus were DRB1*1503 (29%), DRB1*1301 (13%); DQA1*0102 (38%), DQA1*0302 (11%), DQA1*0401 (11%); and DQB1*0602 (31%), DQB1*0301 (13%), DQB1*0501 (12%). Forty-four different haplotypes were identified including 12 novel haplotypes demonstrating the HLA class II diversity resulting from allele combinations in this population. A single predominant DRB1*1503-DQA1*0102-DQB1*0602 haplotype was observed with a frequency of 27%. In summary, this study of HLA class II polymorphism in Cameroon demonstrates the extent of diversity in this population.
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