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Characterisation of the Novel HLA-B*40:618 Allele by Sequencing-Based Typing
Thibault Pajot1, Isabelle Top1, Julie Demaret1,2
1CHU de Lille, Institut D'immunologie-HLA, Lille, France.
A novel Human Leukocyte Antigen B (HLA-B) allele, HLA-B*40:618, has been identified. This new allele is distinguished from HLA-B*40:02:01:01 by a single nucleotide substitution.
Area of Science:
- Immunogenetics
- Molecular biology
Background:
- The Human Leukocyte Antigen (HLA) system plays a crucial role in immune response.
- Allelic variations within HLA genes, such as HLA-B, are significant for transplantation and disease association studies.
Purpose of the Study:
- To report the identification and characterization of a novel HLA-B allele.
Main Methods:
- Sequence analysis of the HLA-B gene.
Main Results:
- A new HLA-B allele, designated HLA-B*40:618, was discovered.
- This allele differs from the known HLA-B*40:02:01:01 by a single nucleotide substitution at codon 287 in exon 5.
Conclusions:
- The identification of HLA-B*40:618 expands the known HLA-B allele repertoire.
- This finding contributes to the understanding of HLA polymorphism and may have implications for future immunogenetic research.
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