期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MARKERS
卷 33, 期 4, 页码 401-406出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1724600818785069
关键词
Interleukin-1; polymorphism; colorectal cancer
资金
- Natural Science Foundation of China [81471551, 81630054, 81571861]
Background: Previous studies have reported that polymorphisms in the interleukin-1 gene may be involved in tumorigenesis and tumor progression. Aim: The purpose of the present study was to evaluate whether an insertion/deletion polymorphism, rs3783553, located in the miR-122 target gene interleukin-1 alpha, was associated with the risk of colorectal cancer. Methods: Genomic DNA was extracted from peripheral venous blood of 382 patients with colorectal cancer and 433 controls, and the polymorphism was genotyped using a polymerase chain reaction assay. Results: Significantly decreased colorectal cancer risk was observed to be associated with the interleukin-1 alpha rs3783553 insertion/insertion genotype (P=0.0001; OR=0.41; 95% CI 0.26, 0.65) and the insertion allele (P<0.001; OR=0.68; 95% CI 0.55, 0.83). Stratification analysis based on clinical and pathological features also revealed that the TTCA insertion allele of rs3783553 contributes to slow the progression of colorectal cancer. Conclusion: These results suggest that the rs3783553 polymorphism could be a useful genetic marker to predict the size/extent of colorectal cancer.
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