... but not Giα, to induce cell steroidogenesis. Moreover, PKA inhibitors inhibited 37% of CS-stimulated steroidogenesis, which demonstrated that CS ... MA-10 cell steroidogenesis. Because of incomplete inhibition by PKA inhibitors, we also examined the PKC pathway. PKC inhibitor, ... the PKC pathway. Co-treatment with PKA and PKC inhibitors abolished 61% of CS-stimulated steroid production, indicating that ...