Volume 81, Issue 9 (December 2023)
Tehran Univ Med J 2023, 81(9): 642-650 |
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Ansari J, Pezeshki M, Ahmadi A, Chehrei A. Investigating the association between K589E polymorphism of EXO1 gene with the susceptibility lung malignancy as a prognostic marker in the Iranian population. Tehran Univ Med J 2023; 81 (9) :642-650
URL: http://tumj.tums.ac.ir/article-1-12796-en.html
URL: http://tumj.tums.ac.ir/article-1-12796-en.html
1- Department of Radio oncology, Ayatollah Khansari Hospital, Arak university of Medical Sciences, Arak, Iran.
2- Infectious Diseases Research Center, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
3- Department of Pathology, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
2- Infectious Diseases Research Center, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
3- Department of Pathology, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
Abstract: (318 Views)
Background: Lung cancer has the highest incidence and mortality rate of all cancers worldwide. In Iran, it is one of the commonly diagnosed malignancies, and its frequency is increasing rapidly. Genetic variants in DNA repair genes are linked to differences in efficiency of repairing DNA damage, which can influence lung cancer susceptibility. EXO1 is a key gene involved in the mismatch repair pathway. The K589E polymorphism in EXO1 may alter the DNA repair activity of the encoded protein and impact lung cancer risk. The aim of this study was to investigate associations between the K589E polymorphism in EXO1 and lung cancer risk in the Iranian population, and evaluate its potential as a prognostic biomarker.
Methods: This case-control study was conducted to investigate EXO1 K589E variant with susceptibility to lung malignancy in the Iranian population. One hundred patients with lung cancer as a patient group and 100 healthy individuals from Khansari Hospital located in Markazi province were studied, from January 2020 to May 2022. DNA extraction from blood samples of participants was done using a kit. Genotype determination of both patient and control groups was done using PCR-RFLP technique. Finally, statistical results were analyzed using SPSS software and the logistic regression method.
Methods: This case-control study was conducted to investigate EXO1 K589E variant with susceptibility to lung malignancy in the Iranian population. One hundred patients with lung cancer as a patient group and 100 healthy individuals from Khansari Hospital located in Markazi province were studied, from January 2020 to May 2022. DNA extraction from blood samples of participants was done using a kit. Genotype determination of both patient and control groups was done using PCR-RFLP technique. Finally, statistical results were analyzed using SPSS software and the logistic regression method.
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Results: Genotype and allele frequency analysis showed the AA genotype (P=0.004, OR=5.391, 95% CI: 1.690-17.200) and A allele (P=0.010, OR=2.851, 95% CI: 1.291-6.300) were correlated with susceptibility to lung cancer. On the other hand, people carrying the G variant allele had a lower risk of lung cancer.
Conclusion: In summary, this study found the AA genotype and A allele of K589E in EXO1 are correlated with risk of lung cancer in Iranians, while the G allele has protective effects. The K589E polymorphism may serve as a prognostic biomarker for lung cancer susceptibility, but more studies with high population size are required. |
Type of Study: Original Article |
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