TP53 gene mutations, nuclear P53 accumulation, expression of Waf/p21, Bcl-2, and CD95 (APO-1/Fas) proteins are not prognostic factors in de novo glioblastoma multiforme. - Kraus,J.A.; Wenghoefer,M.; Glesmann,N.; Mohr,S.,. (J Neurooncol, 2001)