DRB1*14 diversity and DRB3 associations in four major population groups in the United States
- 1 May 2002
- journal article
- research article
- Published by Wiley in Tissue Antigens
- Vol. 59 (5) , 364-369
- https://doi.org/10.1034/j.1399-0039.2002.590502.x
Abstract
At least 59 DRB1*14 positive individuals from each of four U.S. population groups, Caucasoids, African Americans, Asians/Pacific Islanders, and Hispanics, were randomly selected from a database of 82,979 individuals. DRB1*14 alleles were identified by DNA sequence analysis using intron‐specific primers to obtain complete exon 2 sequences. Only 23% of the known DRB1*14 alleles were detected. DRB1*14011 was the predominant DRB1*14 allele in three populations while Hispanics carried DRB1*1402 and DRB1*1406 more frequently. Asians/Pacific Islanders were the most diversified carrying seven alleles. DRB3*0101, DRB3*02021 and DRB3*0210 were detected in a subset of individuals typed for this locus and 15 DRB1‐DRB3 haplotypes were defined. This study completes the exon 2 sequences of previously identified alleles, DRB1*1405‐*1408, including the identification of two silent codon 90 variants of DRB1*1407. In addition, two new DRB1*14 alleles, DRB1*1441 and DRB1*1442, are described.Keywords
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