作者: K E Tagscherer , A Fassl , B Campos , M Farhadi , A Kraemer
DOI: 10.1038/ONC.2008.259
关键词:
摘要: Defects in the apoptotic signaling cascades contribute to poor therapeutic response of malignant gliomas. As glioblastomas are characterized by high expression levels anti-apoptotic Bcl-2 family proteins, we studied effects novel inhibitor, ABT-737, on glioma cells. ABT-737 treatment released pro-apoptotic Bax protein from its binding partner and potently induced cell death glioblastoma cells vitro vivo. The local administration prolonged survival an intracranial xenograft model. Downregulation Mcl-1 overexpression sensitized ABT-737-mediated apoptosis. Moreover, potentiated cytotoxicity chemotherapeutic drugs vincristine etoposide, ligand TRAIL. stem may play a crucial role for tumor progression resistance glioblastomas, investigated subpopulation exhibiting characteristics. Inhibition proliferation induction apoptosis were less efficient than non-stem cell-like was associated with levels, combined downregulation could represent promising approach treatment.