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Two novel HLA class II alleles identified by next-generation sequencing
Maria Loginova1,2, Daria Smirnova1, Igor Paramonov1
1Research Laboratory of Applied Immunogenetics, Federal State Budget Research Institution: Kirov Hematology and Blood Transfusion Research Institute under the Federal Medicine and Biology Agency, Kirov, Russia.
HLA
|August 16, 2024
Summary
Two new human leukocyte antigen (HLA) class II alleles, HLA-DRB1*13:357 and HLA-DQB1*03:525, were identified in Russian individuals. These findings expand the known diversity of HLA alleles within this population.
Area of Science:
- Immunogenetics
- Molecular biology
- Population genetics
Background:
- Human leukocyte antigen (HLA) class II genes are crucial for immune response.
- Understanding HLA allele diversity is important for transplantation and disease association studies.
- Previous characterizations of HLA alleles in Russian populations are limited.
Purpose of the Study:
- To report the discovery and characterization of two novel HLA class II alleles.
- To contribute to the understanding of HLA genetic diversity in Russian individuals.
Main Methods:
- High-resolution HLA typing was performed on DNA samples from Russian individuals.
- Novel alleles were identified through sequence-based typing methods.
- Nomenclature followed the standards set by the World Health Organization (WHO) International ImMunoGeneTics (IMGT)/HLA Database.
Main Results:
- Two novel HLA class II alleles, HLA-DRB1*13:357 and HLA-DQB1*03:525, were identified.
- These alleles represent new variations within the HLA-DRB1 and HLA-DQB1 gene loci.
- Detailed sequence information for the novel alleles was obtained.
Conclusions:
- The identification of HLA-DRB1*13:357 and HLA-DQB1*03:525 expands the known repertoire of HLA class II alleles.
- These novel alleles contribute to the genetic landscape of the Russian population.
- Further studies may investigate the functional or clinical relevance of these newly characterized HLA alleles.
