Prognostic relevance of tripartite motif containing 24 expression in colorectal cancer

Publication date: Available online 25 August 2017
Source:Pathology - Research and Practice
Author(s): Feng-Qin Wang, Yan Han, WenJuan Yao, Jing Yu
Colorectal cancer is one of the most frequent malignancies in the world. Tripartite motif containing 24 (TRIM24) is a member of the TRIM protein family and a coregulator for multiple nuclear receptors. Altered expression of TRIM24 has been shown in a spectrum of human cancers. However, the clinical role of TRIM24 in colorectal cancer remains unknown. Here, gene expression data in colorectal cancer and normal tissues were downloaded from Gene Expression Omnibus (GEO). Western blotting analysis was conducted to compare TRIM24 expression between colorectal cancer and non-cancerous tissues. Immunohistochemistry staining were performed to assess TRIM24 expression in colorectal cancer tissues, and statistical analyses were employed to evaluate the associations of TRIM24 expression with clinicopathologic features and overall survival. TRIM24 mRNA and protein levels were higher in colorectal cancer tissues than that in the normal controls. TRIM24 protein expression was positively correlated with tumor size (P=0.0269), clinical stage (P=0.0061), vital status (P=0.0110) and serum carcinoembryonic antigen levels (P=0.0176). Kaplan-Meier survival analysis indicated that patients with higher TRIM24 expression had shorter survival time than those with lower TRIM24 expression. Multivariate analyses revealed TRIM24 expression was an independent prognostic factor (P<0.001). In conclusion, our study suggests that TRIM24 may play a role in colorectal carcinogens and serve as a potential prognostic marker of human colorectal cancer.



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