Determination of p53 Mutations, EGFR Overexpression, and Loss of p16 Expression in Pediatric Glioblastomas

Abstract excerpt

Glioblastoma multiforme is a rare neoplasm in children and is often located infratentorially, particularly in the brainstem: Pediatric glioblastomas arise frequently (here 60%) outside the cerebral hemispheres. We investigated 20 pediatric glioblastomas for mutational inactivation of the p53 tumor suppressor gene, loss of p16 protein expression and overexpression of the epidermal growth factor receptor (EGFR)....

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