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- Title
Role of Vitamin D Receptor (BsmI-VDR) and Insulin Receptor (NsiI-A/G) Gene Polymorphisms in Colorectal Adenoma Susceptibility.
- Authors
Ciulei, George; Orășan, Olga Hilda; Cozma, Angela; Negrean, Vasile; Para, Ioana; Ciumărnean, Lorena; Leach, Nicoleta; Lucaciu, Roxana Liana; Hangan, Adriana Corina; Procopciuc, Lucia Maria
- Abstract
Vitamin D deficiency and type 2 diabetes mellitus are risk factors for colorectal cancer, suggesting a role for vitamin D receptor (VDR) and insulin receptor (INSR) gene polymorphisms. We investigated the prevalence of the VDR-BsmI (rs1544410) and NsiI A/G-INSR (rs2059806) polymorphisms and their associations with colorectal adenoma (CRA) in a Romanian population. A case–control study was conducted with 110 participants (67 with CRA and 43 controls) who underwent colonoscopy. Polymerase chain reaction–restriction fragment length polymorphism analysis was used to determine the genotype and allele frequencies of the two polymorphisms. Regarding rs1544410 and CRA patients, genotype distribution was 35% B/B, 47% B/b, and 19% b/b. In the controls, the distribution was 21% B/B, 45% B/b, and 34% b/b. For rs2059806, 12% of CRA patients had A/A, 30% A/G, and 58% G/G, while 8% of the controls had A/A, 40% A/G, and 52% G/G. The recessive model showed an odds ratio of 2.84 (95% CI: 1.04–7.72, p = 0.033) for the b/b genotype. CRA patients with b/b or G/G genotypes were diagnosed at a younger age. The b allele of the rs1544410 was a risk factor for CRA. Patients with the b/b and G/G genotypes were diagnosed earlier.
- Subjects
VITAMIN D receptors; INSULIN receptors; TYPE 2 diabetes; VITAMIN D deficiency; GENETIC polymorphisms
- Publication
International Journal of Molecular Sciences, 2024, Vol 25, Issue 16, p8965
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms25168965