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Upregulation of miR-132 expression in glioma and its clinical significance

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Tumor Biology

Abstract

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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Authors and Affiliations

  1. Department of Neurosurgery, The Third **angya Hospital, Central South University, 138 Tongzipo Road, Hexi Yuelu District, Changsha, Hunan, 410013, China

    Qiang Liu, Fan Liao, Hao Wu, Tao Cai, Liang Yang & Zhi-fei Wang

  2. Hospice Care Center, The Tumor Hospital of Hunan Province, Changsha, Hunan, 410013, China

    Ran Zou

Authors
  1. Qiang Liu
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  2. Fan Liao
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  3. Hao Wu
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  4. Tao Cai
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  5. Liang Yang
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  6. Zhi-fei Wang
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  7. Ran Zou
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Correspondence to Zhi-fei Wang.

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Liu, Q., Liao, F., Wu, H. et al. Upregulation of miR-132 expression in glioma and its clinical significance. Tumor Biol. 35, 12299–12304 (2014). https://doi.org/10.1007/s13277-014-2541-5

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  • DOI: https://doi.org/10.1007/s13277-014-2541-5

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