S7: Additional material and methods from Preclinical Efficacy of the MDM2 Inhibitor RG7112 in MDM2-Amplified and TP53 Wild-type Glioblastomas

Extraction from tumor cells, frozen tumor tissue and formalin fixed paraffin embedded (FFPE) tumor tissue; MDM2 gene copy number and TP53 mutational statuses; MDM2 gene copy number and TP53 mutational statuses; Western blot; Immunostaining in tumor or tissue cells