TP53 and gliosarcoma: 8 Biernat Biernat W W Aguzzi Aguzzi A A Sure Sure U U Grant Grant Jw Jw Kleihues Kleihues P P Hegi Hegi Me Me Identical Mutations Of The P53 Tumor Suppressor Gene In The Gliomatous And The Sarcomatous Components Of Gliosarcomas Suggest A Common Origin From Glial Cells Identical Mutations Of The P53 Tumor Suppressor Gene In The Gliomatous And The Sarcomatous Components Of Gliosarcomas Suggest A Common Origin From Glial Cells J Neuropathol Exp Neurol.