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The Immune Modulation HLA-G01:01:01 Full Allele Is Associated with Gastric Adenocarcinoma Development
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The Immune Modulation HLA-G01:01:01 Full Allele Is Associated with Gastric Adenocarcinoma Development
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Journal Article
The Immune Modulation HLA-G01:01:01 Full Allele Is Associated with Gastric Adenocarcinoma Development
2024
Overview
The Human Leukocyte Antigen (HLA) system contains a set of genes involved at many levels in the innate and adaptive immune response. Among the non-classical HLA class I genes, HLA-G stands out for the numerous studies about its pivotal role in regulating/modulating immune responses. Also, its involvement in extravillous cytotrophoblast function, viral infections, autoimmunity, and cancer has been extensively documented. The present study explores for the first time the relationship between natural alleles of HLA-G, rather than STSs, SNPs, or partial gene polymorphisms, and the development of gastric adenocarcinoma, by analyzing the genetic profile of a cohort of 40 Spanish patients with this type of tumor using DNA extracted from paired biopsies of tumoral and adjacent non-tumoral gastric tissue. Our results reveal a significant statistical relationship between the presence of the HLA-G*01:01:01 allele and the development of gastric cancer, while other common alleles such as -G*01:04 or -G*01:05N did not demonstrate a significant correlation. Studying the involvement of HLA genes in the development of many diseases is relevant to understanding their pathophysiology. However, the absence of specific mechanisms underlying these associations suggests that investigating complete HLA natural alleles’ extended haplotypes or complotypes may offer a more precise and valuable approach to elucidating the association of HLA with the pathogenesis of disease.
Publisher
MDPI AG,MDPI
Subject
/ Adult
/ Aged
/ Alleles
/ Antigens
/ Female
/ Genes
/ Genetic Predisposition to Disease
/ HLA histocompatibility antigens
/ Humans
/ Male
/ Patients
/ Polymorphism, Single Nucleotide
/ Principal components analysis
/ Stomach Neoplasms - genetics
/ Stomach Neoplasms - immunology
/ Stomach Neoplasms - pathology
/ Tumors
