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The Novel Allele, HLA-DQA1*03:80, With a Non-Synonymous Mutation in Exon 3.
Diamanto Kouniaki1, Smaro Aritzaki1, Alexandra Tsirogianni1
1Immunology and Histocompatibility Department, Evangelismos General Hospital, Athens, Greece.
HLA
|September 27, 2025
Summary
The HLA-DQA1*03:80 allele, a human leukocyte antigen variant, was identified with a specific DNA change. This single nucleotide substitution alters the genetic code at codon 134.
Area of Science:
- Immunogenetics
- Molecular Biology
Background:
- Human Leukocyte Antigen (HLA) genes are crucial for immune response.
- Allelic variations within HLA loci can impact immune system function and disease susceptibility.
Purpose of the Study:
- To characterize a newly identified HLA-DQA1 allele.
- To document the specific genetic alteration in the HLA-DQA1*03:80 allele.
Main Methods:
- DNA sequencing
- Bioinformatic analysis of genetic variations.
Main Results:
- The HLA-DQA1*03:80 allele was identified.
- A single nucleotide substitution (GGT to CGT) was found at codon 134.
Conclusions:
- The specific genetic mutation in HLA-DQA1*03:80 has been precisely defined.
- This detailed characterization contributes to the understanding of HLA polymorphism.
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