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  • Title: MiR-1236-3p serves as a new diagnostic and prognostic biomarker for gastric cancer.
    Author: An JX, Ma ZS, Ma MH, Shao S, Cao FL, Dai DQ.
    Journal: Cancer Biomark; 2019; 25(2):127-132. PubMed ID: 31045511.
    Abstract:
    BACKGROUND: The microRNA plays an important role in tumor progression. MiR-1236-3p acts as a tumor suppressor in various malignancies. OBJECTIVE: The aim of present study was to explore the expression of miR-1236-3p in gastric cancer (GC) and its correlation with clinicopathological features, and evaluate the feasibility of using it as a prognostic biomarker in GC. METHODS: Seventy-six pairs of tissue specimens were collected from GC patients. MiR-1236-3p expression level was detected by using qRT-PCR. The diagnostic value of miR-1236-3p was evaluated by receiver operating characteristic curve, and Kaplan-Meier method was used to analyze the overall survival. Prognosis analysis was performed using multivariate cox proportional hazards regression analysis. RESULTS: The expression of miR-1236-3p was significantly reduced in tumor tissues (P< 0.001). In addition, miR-1236-3p expression was correlated with TNM stage (P= 0.001), lymph node metastasis (P= 0.005) and differentiated degree (P= 0.001). The area under the curve was 0.7016, and its specificity and sensitivity were 60.53% and 73.68%. Kaplan-Meier survival curves showed that patients with high miR-1236-3p expression had better overall survival than those with low expression (P= 0.0190). Multivariate Cox regression analysis showed that the miR-1236-3p expression (P= 0.033) was an independent prognostic factor for overall survival of GC prognosis. CONCLUSIONS: The study showed that miR-1236-3p is downregulated in GC tissues, and low expression of miR-1236-3p is associated with a poor prognosis in GC. It may be a new diagnostic and prognostic biomarker for GC.
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