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Published on: September 6, 2017
Identification of the Rare HLA-DQB1*06:426 Allele by Third-Generation Sequencing
Romain Ferru-Clément1, Laetitia Rivière1, Pauline Jamain1
1Laboratoire d'Histocompatibilité et Immunogénétique, Etablissement Français du Sang Nouvelle Aquitaine, Poitiers, France.
HLA
|August 14, 2026
Summary
A novel HLA-DQB1*06:426 allele was identified, differing from HLA-DQB1*06:04:01:01 by a single nucleotide substitution. This finding contributes to the understanding of human leukocyte antigen diversity.
Area of Science:
- Immunogenetics
- Molecular Biology
Background:
- Human Leukocyte Antigen (HLA) genes are highly polymorphic.
- Understanding HLA allele variations is crucial for transplantation and disease association studies.
Purpose of the Study:
- To characterize a newly identified HLA-DQB1 allele, designated HLA-DQB1*06:426.
- To detail the specific genetic difference between HLA-DQB1*06:426 and a known allele.
Main Methods:
- Sequence analysis of the HLA-DQB1 gene.
- Comparison of nucleotide sequences between different alleles.
Main Results:
- The novel allele HLA-DQB1*06:426 was identified.
- A single nucleotide substitution at codon 207 in Exon 4 distinguishes HLA-DQB1*06:426 from HLA-DQB1*06:04:01:01.
Conclusions:
- The discovery of HLA-DQB1*06:426 expands the known repertoire of HLA-DQB1 alleles.
- This specific genetic variation may have implications for immunological responses.
