SOX9 and glioblastoma: Similar findings were reported for the resveratrol analog (E)-4-(3,5-dimethoxystyryl)phenyl acetate (Cmpd1), highly active against glioblastoma, one of the most malignant form of adult brain tumor with a very poor prognosis: Cmpd1 reduced glioblastoma cell colony formation, arresting cell cycle at G2/M phase transition and suppressing cyclin D1 and cyclin B1 expression (27).