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Identification of the Novel HLA-DPA1*02:146 Allele by PacBio Sequencing
Bin Chen1, Tongcui An1, Yani Lin1
1Sino-US Diagnostics Lab, Tianjin Enterprise Key Laboratory of AI-Aided Hematopathology Diagnosis, Tianjin, China.
A new Human Leukocyte Antigen (HLA) DPA1 allele, HLA-DPA1*02:146, has been identified. It is distinguished from HLA-DPA1*02:20 by a single nucleotide change in exon 2.
Area of Science:
- Immunogenetics
- Molecular biology
Background:
- The Human Leukocyte Antigen (HLA) system plays a crucial role in immune response.
- Polymorphisms in HLA genes, particularly HLA-DPA1, are important for understanding immune diversity and disease associations.
Purpose of the Study:
- To report the discovery and initial characterization of a novel HLA-DPA1 allele.
Main Methods:
- Sequence analysis of the HLA-DPA1 gene.
- Comparison of the novel sequence with known HLA-DPA1 alleles.
Main Results:
- Identification of a new allele, designated HLA-DPA1*02:146.
- The novel allele differs from the known HLA-DPA1*02:20 allele by a single nucleotide substitution located in exon 2.
Conclusions:
- The discovery of HLA-DPA1*02:146 expands the known repertoire of HLA-DPA1 alleles.
- This finding contributes to the ongoing efforts in high-resolution HLA typing and immunogenetic research.
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