HLA antigen and gene frequencies in Eskimos of East Greenland

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A population of 78 Ammassallik Eskimos was tested for HLA-A, B, Cw, DR and DQ specificities using serological techniques and HLA-Cw, DRB, DQB1 and DPB1 using three different genomic techniques. The application of two new genomic techniques for HLA-Cw (PCR-SSP phototyping) and HLA-DPB1 (PCR-RLFP) typing confirmed serological results and gave a higher resolution, with more heterozygotes than previously found. High gene frequencies of HLA-A24 (0.80), B51 (0.21), B61 (0.30), B62 (0.21), Cw*0303 (0.27), Cw*0304 (0.51), DRB1*0401 (0.45), DRB1*1402 (0.24), DQ7 (0.88), DPB1*0201 (0.18), DPB1*0401 (0.40) and DPB1*0402 (0.30) were found. A limited number of alleles were found at all HLA loci. The Ammassallik Eskimos of East Greenland are genetically homogenous with little, if any, admixture with European populations. This contrasts with other Greenlandic populations formerly tested. The pattern of alleles indicates a close genetic relationship with other Eskimo populations.

Document Type: Research Article

DOI: http://dx.doi.org/10.1046/j.1365-2370.2000.00209.x

Publication date: April 1, 2000

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