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Identification of the Novel HLA-B*40:594N Allele by Next-Generation Sequencing
Jianing Yuan1, Bin Xi1, Zechang Shi1
1Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Cell and Gene Therapy for Hematologic Malignancies, Peking University, Beijing, China.
HLA
|April 14, 2026
Summary
A novel Human Leukocyte Antigen-B (HLA-B) allele, HLA-B*40:594N, has been identified. It is distinguished from a known allele by a single nucleotide change in exon 3.
Area of Science:
- Immunogenetics
- Molecular Biology
Background:
- The Human Leukocyte Antigen (HLA) system plays a critical role in immune response and transplantation.
- Genetic variations within HLA loci, such as HLA-B, contribute to diverse immune profiles.
Purpose of the Study:
- To characterize a newly identified HLA-B allele, designated HLA-B*40:594N.
- To detail the specific genetic difference between HLA-B*40:594N and a previously described allele.
Main Methods:
- Nucleotide sequencing of the HLA-B gene.
- Comparative sequence analysis to identify genetic variations.
Main Results:
- The novel allele HLA-B*40:594N was identified.
- This allele differs from HLA-B*40:02:01:01 by a single nucleotide substitution.
- The substitution is located at codon 164 within exon 3 of the HLA-B gene.
Conclusions:
- The discovery of HLA-B*40:594N expands the known HLA-B allele repertoire.
- This specific nucleotide substitution may have implications for immune recognition or disease association studies.
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