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The novel HLA-A*26:236 allele identified by sequence-based typing
Chiung-Ling Lin1, Hui-Lin Lee1, Wen-Shan Lin1
1Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan.
HLA
|August 23, 2023
Summary
A novel human leukocyte antigen (HLA) allele, A*26:236, has been identified. This new HLA-A allele differs from A*26:01:01:01 by a single nucleotide polymorphism in exon 2.
Area of Science:
- Immunogenetics
- Molecular Biology
Background:
- Human leukocyte antigen (HLA) genes are highly polymorphic and crucial for immune response.
- Accurate HLA allele identification is essential for transplantation and disease association studies.
Purpose of the Study:
- To report the discovery and initial characterization of a novel HLA-A allele.
Main Methods:
- High-resolution HLA typing was performed.
- Sequence analysis was used to identify nucleotide differences between alleles.
Main Results:
- A new HLA-A allele, designated A*26:236, was identified.
- The A*26:236 allele differs from A*26:01:01:01 by a G to T substitution at position 340 in exon 2.
Conclusions:
- The identification of A*26:236 expands the known HLA-A allele repertoire.
- This finding contributes to the ongoing efforts in high-resolution HLA typing and immunogenetic research.
