Mutation of the PTEN (MMAC1) tumor suppressor gene in a subset of glioblastomas but not in meningiomas with loss of chromosome arm 10q. - Bostrom,J.; Cobbers,J.M.; Wolter,M.; Tabatabai,G.; Weber,R.G.; Lichter,P.; Collins,V.P.; Reifenberger,G. (Cancer Res, 1998)