Abstract
MicroRNAs are known as non-coding RNAs that regulate the expression of target mRNA. Accumulating evidence has indicated that microRNA expression in human malignancies can be utilized as a prognostic marker for patients. However, the prognostic value of miR-650 in human glioma has not been investigated yet. In the present investigation, we have recruited 168 cases glioma specimens and 21 normal control brain specimens. Quantitative real-time PCR was carried out to investigate the expression of miR-650. Kaplan–Meier analysis and Cox’s proportional hazards model was used to evaluate the association of miR-650 with prognosis of glioma patients. Results showed that miR-650 expression was increased in glioma compared with normal control specimens (P < 0.001). It was also found that miR-650 expression was related to World Health Organization grade and Karnofsky performance score (KPS) for high expression was more frequently detected in glioma of high grade or low KPS score (P < 0.001). The prognosis of glioma with high miR-650 expression was significantly worse compared with that of glioma with low miR-650 expression. These results proved that miR-650 expression was a significant prognostic indicator in glioma, which may suggest new management of human glioma.
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This work was supported by the National Natural Science Foundation of China (No. 81172386, http://www.nsfc.gov.cn). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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Boqian Sun, Bo Pu, Dake Chu and Xiaodan Chu have contributed equally to this study.
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Sun, B., Pu, B., Chu, D. et al. MicroRNA-650 expression in glioma is associated with prognosis of patients. J Neurooncol 115, 375–380 (2013). https://doi.org/10.1007/s11060-013-1243-y
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DOI: https://doi.org/10.1007/s11060-013-1243-y