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Polymorphism of HLA‐DRB1, ‐DQB1 and ‐DPB1 genes in Bai ethnic group in southwestern China
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AbstractIn this work, polymorphism of human leukocyte antigen (HLA)‐DRB1, ‐DQB1 and ‐DPB1 genes was detected using polymerase chain reaction–sequence‐based typing method in 128 healthy unrelated volunteers from the Bai ethnic group of Yunnan province of southwest China. Among all the 28 alleles detected for the DRB1 gene, the most common allele was DRB1*120201 with a frequency of 16.41%, followed by DRB1*090102, DRB1*080302, DRB1*1404, DRB1*150101, DRB1*140101 and DRB1*160201, with frequencies of 10.16%, 9.77%, 9.38%, 8.98%, 8.59% and 8.21%, respectively. Among 19 DQB1 alleles detected, the most frequent allele was DQB1*030101/0309 (35.94%), followed by DQB1*050201 (11.33%), DQB1*060101/060103 (10.54%) and DQB1*0401 (10.16%). For the DPB1 locus, the most common alleles were DPB1*0501 (42.19%), DPB1*1301 (13.28%), DPB1*020102 (10.93%) and DPB1*040101 (9.77%). The comparison of HLA class II allele frequencies of Bais with those of other Chinese populations suggested that the Bai ethnic group belonged to the southern group of Chinese.
Title: Polymorphism of HLA‐DRB1, ‐DQB1 and ‐DPB1 genes in Bai ethnic group in southwestern China
Description:
AbstractIn this work, polymorphism of human leukocyte antigen (HLA)‐DRB1, ‐DQB1 and ‐DPB1 genes was detected using polymerase chain reaction–sequence‐based typing method in 128 healthy unrelated volunteers from the Bai ethnic group of Yunnan province of southwest China.
Among all the 28 alleles detected for the DRB1 gene, the most common allele was DRB1*120201 with a frequency of 16.
41%, followed by DRB1*090102, DRB1*080302, DRB1*1404, DRB1*150101, DRB1*140101 and DRB1*160201, with frequencies of 10.
16%, 9.
77%, 9.
38%, 8.
98%, 8.
59% and 8.
21%, respectively.
Among 19 DQB1 alleles detected, the most frequent allele was DQB1*030101/0309 (35.
94%), followed by DQB1*050201 (11.
33%), DQB1*060101/060103 (10.
54%) and DQB1*0401 (10.
16%).
For the DPB1 locus, the most common alleles were DPB1*0501 (42.
19%), DPB1*1301 (13.
28%), DPB1*020102 (10.
93%) and DPB1*040101 (9.
77%).
The comparison of HLA class II allele frequencies of Bais with those of other Chinese populations suggested that the Bai ethnic group belonged to the southern group of Chinese.
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