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The New HLA-B*44:384 Allele Characterised by Two Different Sequencing-Based Typing Techniques
Adèle Dhuyser1,2, Michaël Pérès1, Thomas Morel1
1HLA and Histocompatibility Laboratory, CHRU de Nancy, Vandœuvre-lès-Nancy, France.
A novel human leukocyte antigen (HLA) B allele, HLA-B*44:384, has been identified. This new allele is distinguished from HLA-B*44:02:01:01 by a single nucleotide change in exon 2.
Area of Science:
- Immunogenetics
- Molecular biology
Background:
- Human leukocyte antigen (HLA) genes are highly polymorphic and crucial for immune response.
- The HLA-B locus is particularly diverse, with numerous alleles identified.
Purpose of the Study:
- To report the characterization of a newly identified HLA-B allele.
Main Methods:
- Nucleotide sequencing of the HLA-B gene.
- Comparison of the novel sequence with known HLA-B alleles.
Main Results:
- A new allele, designated HLA-B*44:384, was discovered.
- This allele differs from HLA-B*44:02:01:01 by a single non-synonymous nucleotide substitution located in exon 2.
Conclusions:
- The identification of HLA-B*44:384 expands the known diversity of HLA-B alleles.
- This finding contributes to the understanding of HLA polymorphism and its implications for immune system research.
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