In their quest to find and exploit vulnerabilities in the natural armor that protects malignant brain tumors from destruction, researchers have found a way to decrease the cells¡¦ resistance to therapies that are designed to trigger cell death. The findings resulted from laboratory experiments conducted at Cedars-Sinai Medical Center’s Maxine Dunitz Neurosurgical Institute and are based on the manipulation of a series of intricate biochemical events taking place within brain tumor cells.