期刊
HUMAN IMMUNOLOGY
卷 61, 期 3, 页码 334-340出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0198-8859(99)00155-X
关键词
class I; DNA sequencing; HLA-A2; frequency studies
类别
Direct DNA sequencing was used to determine the frequency of alleles within the HLA-A2 family in five US population groups. The most frequency detected HLA-A2 allele in ail groups was HLA-A*02011. Caucasian and Native American popular-ions appear to be the most homogeneous exhibiting 95.7% and 94.3% A*02011, respectively. Hispanic and Asian/Pacific Islander populations were the most: allelicly diverse populations with 9 and 7 different HLA-A2 alleles present, respectively, but the majority of the populations were HLA-A*02011. African-Americans were also diverse, nor in thr number of alleles seen, bur in the percentage of non-A*02011 alleles in the population. HLA-A*0202 (25.8%) and A*0205 (12.9%) were present in a large percentage of African-Americans. Only 13 of the 31 known HLA-A2 alleles were observed in the study. The allelic distributions reflected statistically significant differences among population groups. (C) American Society for Histocompatibility and Immunogenetics, 2000. Published by Elsevier Science Inc.
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