• Lina Mei, Zhouxiang Lu, Zhangguo Shen, and Sumei Xu.
• Department of internal medicine, Huzhou Maternity & Child Health Care Hospital.
• Medicine (Baltimore). 2020 Jun 5; 99 (23): e20508.

AbstractWe conducted a study to evaluate the prognostic and diagnostic values of microRNA-10b (miR-10b) in gastric cancer (GC) based on meta-analysis and TCGA database. Relevant studies were searched in English and Chinese database and meta-analysis was conducted on Stata 12.0. The expression value of miR-10b and clinical parameters of GC patients were downloaded from TCGA database, and relevant analyses were conducted on SPSS. High expression of miR-10b was linked with unfavorable overall survival (OS) in GC (HR = 1.572, 95% CI: 1.240-1.992, P < .001). However, the meta-analysis was significant for patients in early stage, but not for patients in advanced stage. The expression of miR-10b-3p was significantly lower in cancer tissue compared with adjacent tissue (P < .001). Meanwhile, the area under the ROC curve (AUC) value was 0.652 (0.562-0.742), P = .001. Disease-free survival analysis showed increasing miR-10b-5p was correlated with worse survival outcome (HR = 2.366, 95% CI: 1.414-3.959, P = .001). In conclusion, miR-10b acts as a tumor suppressor with prognostic and diagnostic values for GC.

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