SINGLE NUCLEOTIDE POLYMORPHISMS WITHIN GENES REGULATING IMMUNE RESPONSE AND ANTIOXIDANT DEFENCE IN PATIENTS WITH COLORECTAL AND GASTRIC CANCER
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Abstract
Background. During the recent decade, studies on inherited variation within innate immune response and antioxidant defense genes and cancer highlighted a number of significant associations; however, this is not the case for colorectal cancer.
Aim. ofIL1B_1473G/C (rs1143623), SOD1_7958A/G (rs4998557), TLR4_1196C/T (rs4986791), IL10_1082A/G (rs1800896), IL17A_197G/A (rs2275913), andTLR4_896A/G (rs4986790) polymorphisms with colorectal and gastric cancer.
Materials and methods. We recruited 244 consecutive patients with colorectal cancer and 72 patients with gastric canceralong with 300 age- and gender-matched asymptomatic individuals. Genotyping was carried out using allele-specific polymerasechain reaction following electrophoretic detection. Statistical analysis was performed bySNPStats software.
Results. We revealed that heterozygous genotypes of theIL1B_1473G/C and TLR4_896A/G polymorphisms were significantly associated with a higher risk of colorectal cancer, particularly rectal cancer. Incontrast, C/Cgenotypeof the IL1B_1473G/C polymorphism was significantly associated with a lower risk of colon cancer.
Conclusion. Polymorphisms within the genes encoding interleukins and Toll-like receptors may play a role in the development of colorectal cancer.Keywords
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The authors declare that they have no apparent or potential conflicts of interest related to the publication of this article.
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