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Moghadas A, Karbalaie Niya MH, Zamani F, Moazzami M, Farhang F, Ajdarkosh H, Khoonsari M, Faraji A, Panahi M, Emtiazi N, Safarnezhad Tameshkel F, Nikkhah M. Cytochrome P2E1 (CYP2E1) Gene Polymorphism as a Potential Prognostic Biomarker in Colorectal Cancer. Asian Pac J Cancer Prev 2023; 24:2239-2244. [PMID: 37505752 PMCID: PMC10676490 DOI: 10.31557/apjcp.2023.24.7.2239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 07/02/2023] [Indexed: 07/29/2023] Open
Abstract
BACKGROUND Colon cancer is the most common type of gastrointestinal cancer. Genetic factors have been shown to have a role in the development of colorectal cancers. The aim of this study was to assess the expression of Cytochrome P2E1 (CYP2E1) gene polymorphism as a potential prognostic biomarker in the diagnosis, treatment, and prognosis evaluation of patients with colorectal cancer. METHODS in this cross-sectional study, all of our 100 patients with colorectal cancer who underwent surgical operation were included. DNA was extracted from the tumor specimens to assess Cytochrome P2E1 (CYP2E1) Gene polymorphism by Conventional-PCR. RFLP-PCR method was used for RsaI polymorphism evaluation. Patients' characteristics were also recorded and their associations with CYP2E1 were assessed. RESULTS One hundred tumor specimens were assessed. In total, 88 had wild-type, 8 had purely a 96 bp insertion in CYP2E1, and 4 were partially mutated by a single allele insertion. Generally, 10% of samples had positive results for the RsaI polymorphism. There were no statistically significant associations between CYP2E1 gene polymorphism and number of lymph nodes removed during the operation (P = 0.353), number of positive lymph nodes (P = 0.668), tumor specificity including mucinous or non-mucinous (P = 0.053), tumor invasion (P = 0.074), grading (P = 0.898), differentiation (P = 0.941), tumor location (P = 0.42) or staging (P = 0.182). CONCLUSION There was no association between RsaI type CYP2E1 polymorphism and colorectal cancer risk. Our study does not support the use of this biomarker to evaluate the prognosis of colon cancer.
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Affiliation(s)
- Ayda Moghadas
- Department of Internal Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Mohammad Hadi Karbalaie Niya
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
- Department of Virology, School of medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Farhad Zamani
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Meysam Moazzami
- Department of Internal Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Fatemeh Farhang
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
- Department of Pathology, School of medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Hossein Ajdarkosh
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Mahmoodreza Khoonsari
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Amirhossein Faraji
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Mahshid Panahi
- Department of Pathology, School of medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Nikoo Emtiazi
- Department of Pathology, School of medicine, Iran University of Medical Sciences, Tehran, Iran.
| | | | - Mehdi Nikkhah
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.
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