caspase-6 activators encompasses a diverse array of chemical compounds designed to modulate the activity of caspase-6, a critical enzyme involved in the execution phase of apoptosis. These activators, as outlined in the tabulated form, exert their influence through various mechanisms, indirectly impacting caspase-6 activation by engaging key cellular pathways. Staurosporine, a protein kinase inhibitor, indirectly activates caspase-6 by influencing multiple signaling pathways, including the inhibition of PKC. This results in increased caspase-6 activity, contributing to apoptosis. Okadaic Acid, on the other hand, activates caspase-6 by inhibiting protein phosphatases, particularly PP1 and PP2A, leading to enhanced phosphorylation events associated with caspase-6 activation. A23187, also known as Calcimycin, indirectly activates caspase-6 by elevating intracellular calcium levels, triggering signaling events that include the activation of calpain proteases. Arsenic Trioxide modulates the cellular redox state and mitochondrial function, leading to the release of cytochrome c and subsequent caspase-6 activation.
Forskolin stimulates adenylate cyclase, elevating intracellular cAMP levels and indirectly activating caspase-6 through the cAMP-PKA pathway. Betulinic Acid modulates mitochondrial function, leading to the release of cytochrome c and subsequent caspase-6 activation. Thapsigargin disrupts calcium homeostasis by inhibiting the sarco/endoplasmic reticulum Ca2+-ATPase (SERCA) pump, indirectly activating caspase-6 through elevated cytosolic calcium levels. PMA (Phorbol 12-Myristate 13-Acetate) activates PKC, indirectly influencing caspase-6 activation through various signaling pathways. Calyculin A inhibits protein phosphatases, particularly PP1 and PP2A, leading to enhanced phosphorylation events associated with caspase-6 activation. 12-O-Tetradecanoylphorbol-13-Acetate (PMA) activates PKC, indirectly influencing caspase-6 activation. Etoposide induces DNA damage, activating the intrinsic apoptotic pathway and leading to caspase-6 activation. Quercetin modulates cellular redox status and mitochondrial function, indirectly activating caspase-6 through the release of cytochrome c.