
Epac activator critically regulates action potential duration by decreasing potassium current in rat adult ventricle
Keywords: cAMP; cyclic adenosine 3â², 5â²-monophosphate; PKA; cAMP-dependent protein kinase; IK; delayed rectifier potassium current; Epac; exchange proteins directly activated by cAMP; GEF; guanine nucleotide exchange factors; ICa; L-type calcium current; PDE; p