miR-132 was found to be overexpressed in glioma; however, its clinical significance has not been investigated. In the present study, we evaluated the association between miR-132 and clinicopathological parameters and prognosis. Quantitative real-time PCR was used to analyze the expression of miR-132 in 113 cases of glioma and 36 cases of normal brain tissues. The association of miR-132 expression with clinicopathological factors and prognosis of glioma patients were analyzed. The expression levels of miR-132 were significantly higher in glioma tissues than that in normal brain tissues (mean ± SD, 4.448 ± 1.857 vs. 1.936 ± 0.543; P < 0.001). The miR-132 expression level was classified as high or low in relation to the median value. High expression of miR-132 was found to significantly correlate with KPS score (P = 0.001); extent of resection (P = 0.009), and WHO grade (P < 0.001). Kaplan-Meier analysis with the log-rank test indicated that high miR-132 expression had a significant impact on overall survival (17.3 vs. 56.2 %; P = 0.04) and progression-free survival (11.7 vs. 50.5 %; P = 0.012). In conclusion, this study identified high miR-132 expression as a biomarker of poor prognosis in patients diagnosed with glioma.
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