CDKN1A and glioblastoma: Schwarzenbach, C.; Rinke, J.; Vilar, J. B.; Sallbach, J.; Tatsch, L.; Schmidt, A.; Schoneis, A.; Rasenberger, B.; Kaina, B.; Tomicic, M. T.; Christmann, M., Therapy-induced senescence of glioblastoma cells is determined by the p21(CIP1)-CDK1/2 axis and does not require activation of DREAM.