IWP-3 is a potent inhibitor for porcupine which is known to catalyze the palmitoylation of Wnt proteins which are crucial in tumorigenesis.
Biochem/physiol Actions
IWP-3 is a Wnt inhibitor that prevents palmitylation of Wnt proteins by Porcupine (Porcn). IWP-3 is an inactivator of Porcn function that acts as inhibitors of Wnt production. Studies revealed that IWP-3 induces differentiation of human mesoderm cells to form cardiomyocytes.