PMID- 30692827 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220401 IS - 1016-3190 (Print) IS - 2223-8956 (Electronic) VI - 31 IP - 1 DP - 2019 Jan-Mar TI - Human leukocyte antigen-A*33:03-B*58:01-DRB1*15:140, a deduced probable human leukocyte antigen haplotype in association with a human leukocyte antigen low-incidence allele DRB1*15:140 in Taiwanese individuals: A case analysis. PG - 20-22 LID - 10.4103/tcmj.tcmj_72_18 [doi] AB - OBJECTIVE: Human leukocyte antigen (HLA)-DRB1*15:140 is a low-frequency allele in the HLA-DRB1 locus. The aim of this study is to confirm the ethnicity of DRB1*15:140 and to deduce a probable HLA-DRB1*15:140-associated HLA haplotype in Taiwanese individuals. MATERIALS AND METHODS: A total of 1815 healthy unrelated Taiwanese individuals and 14,562 unrelated mainland Chinese individuals were tested for HLA using a sequence-based typing method. Polymerase chain reaction was performed to amplify exons 2 and 3 of the HLA-A and HLA-B loci and exons 1 and 2 of the HLA-DRB1 locus using group-specific primer sets. The amplicons were sequenced in both directions with the BigDye Terminator Cycle Sequencing Ready Reaction Kit according to the manufacturer's protocols. RESULTS: The DNA sequence of HLA-DRB1*15:140 is identical to DRB1*15:02:01:01 in exons 1 and 2, except at residue 91 of DRB1*15:02:01:01 where a G in DRB1*15:02:01:01 is replaced by an A in DRB1*15:140 (codon 2; GAC->AAC). The nucleotide substitution in exon 1 introduces a one amino acid substitution at residue 2 where an aspartic acid (D) in DRB1*15:02:01:01 is replaced by an asparagine (N) in DRB1*15:140. We deduced the probable HLA haplotype associated with DRB1*15:140 in Taiwanese to be HLA-A*33:03-B*58:01-DRB1*15:140. CONCLUSION: Information on the ethnicity and distribution of DRB1*15:140 and its deduced probable HLA haplotype in association with the low-incidence allele is of value for HLA-testing laboratories for reference purposes and can help bone marrow donor registries find compatible donors for patients with this uncommon HLA allele. FAU - Yang, Kuo-Liang AU - Yang KL AD - Laboratory of Immunogenetics, Tzu Chi Cord Blood Bank and Buddhist Tzu Chi Marrow Donor Registry, Buddhist Tzu Chi Stem Cells Centre, Hualien Tzu Chi Hospital, Hualien, Taiwan. AD - Department of Laboratory Medicine and Biotechnology, Tzu Chi University, Hualien, Taiwan. FAU - Zheng, Zheng-Zhong AU - Zheng ZZ AD - Department of Research, China Shanghai Tissuebank Diagnostics, Shanghai, China. LA - eng PT - Journal Article PL - China (Republic : 1949- ) TA - Ci Ji Yi Xue Za Zhi JT - Ci ji yi xue za zhi = Tzu-chi medical journal JID - 9514171 PMC - PMC6334561 OTO - NOTNLM OT - DRB1*15:140 OT - Haplotype OT - Human leukocyte antigen OT - Taiwanese OT - Transplantation COIS- There are no conflicts of interest. EDAT- 2019/01/30 06:00 MHDA- 2019/01/30 06:01 PMCR- 2019/01/01 CRDT- 2019/01/30 06:00 PHST- 2019/01/30 06:00 [entrez] PHST- 2019/01/30 06:00 [pubmed] PHST- 2019/01/30 06:01 [medline] PHST- 2019/01/01 00:00 [pmc-release] AID - TCMJ-31-20 [pii] AID - 10.4103/tcmj.tcmj_72_18 [doi] PST - ppublish SO - Ci Ji Yi Xue Za Zhi. 2019 Jan-Mar;31(1):20-22. doi: 10.4103/tcmj.tcmj_72_18.