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Updated: May 15, 2026

Personalized Peptide Arrays for Detection of HLA Alloantibodies in Organ Transplantation
Published on: September 6, 2017
Discovery of the rare HLA-B*39:77 allele in an unrelated Taiwanese bone marrow stem cell donor using the
1Laboratory of Immunogenetics and Cord Blood Bank, Buddhist Tzu Chi Stem Cells Centre and Marrow Donor Registry, Buddhist Tzu Chi General Hospital, Buddhist Compassion Relief Tzu Chi Foundation, Hualien, Taiwan. edward@tzuchi.com.tw
Abstract:
We detected a rare HLA-B locus allele, B*39:77, in a Taiwanese unrelated marrow stem cell donor in our routine HLA sequence-based typing (SBT) exercise for a possible haematopoietic stem cell donation. In exons 2, 3 and 4, the DNA sequence of B*39:77 is identical to the sequence of B*39:01:01:01 except one nucleotide at nucleotide position 733 (G->A) in exon 4. The nucleotide variation caused one amino acid alteration at residue 221 (Gly->Ser). B*39:77 was probably derived from a nucleotide substitution event involving B*39:01:01:01. The probable HLA-A, -B, -C, -DRB1 and -DQB1 haplotype in association with B*39:77 may be deduced as A*02:01-B*39:77-C*07:02-DRB1*08:03-DQB1*06:01. Our discovery of B*39:77 in Taiwanese adds further polymorphism of B*39 variants in Taiwanese population.
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