Table_1_High-Resolution HLA Typing of HLA-A, -B, -C, -DRB1, and -DQB1 in Kinh Vietnamese by Using Next-Generation Sequencing.DOCX (18.96 kB)

Table_1_High-Resolution HLA Typing of HLA-A, -B, -C, -DRB1, and -DQB1 in Kinh Vietnamese by Using Next-Generation Sequencing.DOCX

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posted on 30.04.2020, 11:51 by Minh Duc Do, Linh Gia Hoang Le, Vinh The Nguyen, Tran Ngoc Dang, Nghia Hoai Nguyen, Hoang Anh Vu, Thao Phuong Mai

Human leukocyte antigen (HLA) genotyping displays the particular characteristics of HLA alleles and haplotype frequencies in each population. Although it is considered the current gold standard for HLA typing, high-resolution sequence-based HLA typing is currently unavailable in Kinh Vietnamese populations. In this study, high-resolution sequence-based HLA typing (3-field) was performed using an amplicon-based next-generation sequencing platform to identify the HLA-A, -B, -C, -DRB1, and -DQB1 alleles of 101 unrelated healthy Kinh Vietnamese individuals from southern Vietnam. A total of 28 HLA-A, 41 HLA-B, 21 HLA-C, 26 HLA-DRB1, and 25 HLA-DQB1 alleles were identified. The most frequently occurring HLA alleles were A11:01:01, B15:02:01, C07:02:01, DRB112:02:01, and DQB103:01:01. Haplotype calculation showed that A29:01:01∼B07:05:01, DRB112:02:01∼DQB13:01:01, A29:01:01∼C15:05:02∼B07:05:01, A33:03:01∼B58:01:01∼DRB103:01:01, and A29:01:01∼C15:05:02∼B07:05:01∼DRB110:01:01∼DQB105:01:01 were the most common haplotypes in the southern Kinh Vietnamese population. Allele distribution and haplotype analyses demonstrated that the Vietnamese population shares HLA features with South-East Asians but retains unique characteristics. Data from this study will be potentially applicable in medicine and anthropology.

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