Abstract:INTRODUCTION:Medulloblastoma is the most common malignant pediatric brain tumor. Radiation(RT) is a part of standard care but causes significant neurocognitive impairment. Strategies to sensitize RT is critical to improving the quality of life and long-term survival of patients. Previous studies show that inhibition of protein-phosphatase 2A(PP2A)–a ubiquitous serine/threonine phosphatase–enhanced sensitivity to RT in multiple brain tumor xenografts. However, the mechanism behind enhanced radio-cytotoxicity is… Show more
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