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Experimental and Clinical Gastroenterology

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Association of gene polymorphisms with biological features of gastric cancer

https://doi.org/10.31146/1682-8658-ecg-227-7-62-67

Abstract

Aim of the investigation. To evaluate associations of polymorphic variants of TNF (G308A), XPC (Lys939Gln), MTHFR (Ala222Val) genes with some biological features of gastric cancer. Materials and Methods. We evaluated polymorphic gene variants in 74 patients with verified gastric cancer or gastriesophageal junction cancer (Siewert III). Genotyping was performed by DNA isolation from venous blood leukocytes of the subjects followed by PCR with electrophoretic detection of the result. The association of polymorphic variants of genes with such biological features of the tumor as localization of the process, morphological type, degree of differentiation, type of tumor growth, presence or absence of lymphovascular or perineural invasion was evaluated. Results. Lys/Gln genotype of XPC gene (Lys939Gln) are 3.3 times more likely to develop gastric body cancer (p=0.04). Genotype GG of TNF gene (G308A) 5.3 times increases the development of gastric adenocarcinoma in comparison with other histological types (p=0.018), genotype GA of the same gene 5.2 times more often develop tumor with high-grade differentiation degree (p=0.032). Val/Val genotype of the MTHFR gene (Ala222Val) are significantly less likely to develop lymphatic/vascular invasion compared to carriers of the other genotype (p=0,029). Conclusion. The obtained data suggest that the genetic status of the patient itself may affect the biological characteristics of gastric cancer, which in turn may lead to a change in the patient’s treatment tactics.

About the Authors

E. P. Kulikov
Ryazan State Medical University
Russian Federation


V. A. Grigorenko
Ryazan State Medical University
Russian Federation


I. S. Pikushin
Ryazan State Medical University
Russian Federation


References

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For citations:


Kulikov E.P., Grigorenko V.A., Pikushin I.S. Association of gene polymorphisms with biological features of gastric cancer. Experimental and Clinical Gastroenterology. 2024;(7):62-67. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-227-7-62-67

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