Mechanism of Action
Carbazochrome, the semicarbazone of adrenochrome, that interacts with α-adrenoreceptors on surface of platelets, which are coupled to Gq protein and initiate PLC IP3/DAG pathway to increase intracellular free calcium concentration with these subsequent actions:
- Activates PLA2 and induce arachidonic acid pathway to synthese endoperoxides (TxA2, thromboxane A2)
- Calcium binds to calmodulin which then binds and activates myosin light-chain kinase, that will enable the myosin crossbridge to bind to the actin filament and allow contraction to begin. This will change platelet’s shape and induce release of serotonin, ADP, vWF (Von Willebrand factor), PAF (Platelet-activating factor) to promote further aggregation and adhesion.
Read more about this topic: Carbazochrome
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