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Gliomas are central nervous system tumors originated from glial cells, whose incidence and mortality is expected to rise in coming years, especially in developing countries. Diagnosis and classification of gliomas have largely relied on tumor histopathologic features that provide limited information regarding response to therapy or prognosis. Current treatment of gliomas is surgery combined with chemotherapy and/or radiotherapy. However, many tumors show a high resistance to these interventions, and recurrences are frequent since conventional therapies do not take into account the unique molecular features of different subtypes of glioma. Molecular genetics provide new insights in classifying gliomas and predicting response to therapy that can range from conventional treatments to new revolutionary therapeutic approaches. This article offers a review of the intracellular signaling pathways involved in …