• Bo Sun, Jun Wang, Yan-Feng Zhu, Zhen-Yang Li, Jian-Bin Xiang, Zong-You Chen, Zhi-Gang He, and Xiao-Dong Gu.
• Department of Gastric Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
• Arch Med Sci. 2023 Jan 1; 19 (3): 626632626-632.

IntroductionTranslocase of the inner mitochondrial membrane 50 (TIMM50) is universally considered to play a key role in several malignancies. However, its role in predicting colorectal cancer (CRC) patient prognosis remains unclear.Material And MethodsA total of 192 CRC patients (123 men and 69 women) who underwent radical resection participated in this study. The patients were followed up every 3 months after surgery for 5 years. TIMM50 expression in tumour tissues was measured by quantitative real-time PCR, Western blotting and immunohistochemistry. TIMM50 expression was studied to assess correlations with clinicopathological factors and survival time.ResultsTIMM50 expression increased significantly in CRC tumour tissues. Moreover, high TIMM50 expression was related to pathologic stage (p = 0.043), N stage (p = 0.048) and distant metastasis (p = 0.015), but TIMM50 expression was not related to other clinical factors. A Kaplan-Meier survival analysis indicated that patients with low TIMM50 expression had a longer overall survival than those with high TIMM50 expression (p = 0.002). Furthermore, distant metastasis and high TIMM50 expression were confirmed as independent prognostic factors for the overall survival of CRC patients in a multivariate analysis (p = 0.003).ConclusionsTIMM50 may be a key factor for monitoring CRC and a new prognosis indicator for CRC patients.Copyright: © 2020 Termedia & Banach.

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