GSTA4 and glioblastoma: Moreover, there is benzofuran, 6-ethenyl-4,5,6,7-tetrahydro-3,6-dimethyl-5-isopropenyl-, trans- or curzerene, which is the main compound in CAEO that could induce cell apoptosis in glioblastoma cell lines by inhibiting the mTOR pathway and downregulating GSTA4 [44].