Study of HLA antigens in a population of Mali (West Africa)

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Abstract
Eighty-two healthy individuals have been typed for HLA-A, B, C, antigens, and 49 of them also for HLA DR alleles. They were a sample representative of 11 of the 14 Malian ethnic groups living in the area of Bamako (Mali). Phenotypic frequencies have been compared to those of other Negroid and Caucasoid reference populations. As expected, in Negroids the increased frequency of HLA A23, A28, A30, and ATh was confirmed in the present series. Additionally, a significantly increased frequency of HLA B5 (B51 and Bw52) was noted.sbd.already observed in some but not all Negroid populations. Conversely, a decreased frequency.sbd.compared with that usually found in Negroid population.sbd.was observed for the alleles Bw42, Bw58, Cw6 and DRw6. Our results underline the originality of the Malian population among Western Africans.