CAMK2G and catecholaminergic polymorphic ventricular tachycardia: Using an Ryr2R176Q/+ mouse model of CPVT and two iPSC-CMs derived from CPVT patients, AAV9-mediated delivery of a CaMKII inhibitory peptide, autocamtide-2-related inhibitory peptide, was shown to suppress triggered arrhythmias (74).