Abstract

MicroRNAs (miRNAs) are short noncoding RNAs. The discovery of miRNA has provided a novel tool to the research of tumor pathogenesis, and a new strategy to the diagnosis and prognosis of human cancers. Currently, numerous studies have indicated that the deregulation of miRNAs in glioma is closely related to glioma pathogenesis and progress. miRNAs function as key regulators of glioma through negative control of the target gene expression, by targeting the 3'-untranslated region of its messenger RNA which regulate the cell proliferation, apoptosis and prognosis of glioma. Moreover, radiation and chemotherapy resistance in glioma therapy is also caused by deregulation of miRNAs. It has been suggested that miRNAs act as tumor suppressors or oncogenes in glioma. Not only can miRNAs be used as biomarkers of glioma diagnosis and therapy, but also as novel targets of glioma gene therapy.

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