Carcinogenesis, Teratogenesis & Mutagenesis ›› 2019, Vol. 31 ›› Issue (4): 315-318.doi: 10.3969/j.issn.1004-616x.2019.04.009

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Expression of interleukin-17 and EMT-related markers in colon cancers from the left-and right-sides of colons

LI Xinxin1, LIAO Weinan1, ZHUANG Shaohui2, CHEN Huanjie1, CHEN Juntian1, ZHANG Feiran1, LI Wei1   

  1. 1. Gastrointestinal Surgery Department, the First Affiliated Hospital of Shantou University Medical College, Shantou 515041;
    2. Anesthesiology Department, the First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong, China
  • Received:2019-04-22 Revised:2019-06-10 Online:2019-07-30 Published:2019-08-23

Abstract: OBJECTIVE:To investigate the expression of interleukin-17 (IL-17) and eqithelial-mesenchymal transition (EMT)-related markers in colon cancers which came from the left-and right-sides of the colon. METHODS:Expressions of IL-17 and EMT-related markers,E-cad and Vim,were determined in colon cancers and adjacent healthy tissues using qPCR. Their relationships with clinical pathological indicators of patients were also determined. RESULTS:The mRNA expression levels of IL-17 and Vim in 43 colon cancers were higher than those in normal tissues but the expression of E-cad was decreased,and the difference was statistically significant (P < 0.05). There was no significant difference in the correlation between IL-17 and EMT in colon cancers (P > 0.05). The expressions of IL-17 and EMT-related markers in colon cancer were not statistically different in gender,age,TNM stage and lymph node metastasis (P > 0.05). The mRNA expression of IL-17 was higher in left colon cancer than right colon cancer (P < 0.05),while the expression of EMT-related markers was not statistically different. CONCLUSION:IL-17 and EMT may promote the development of colon cancers but there was no correlation between them and no correlation with clinicopathological parameters. The mRNA expression of IL-17 in cancers from the left colon was higher than that in the right colon. Therefore,IL-17 may serve as one of the targets for monitoring and treatment of colon cancer (especially left colon cancer).

Key words: colon cancer, IL-17, eqithelial-mesenchymal transition, quantitative real-time PCR

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