Multiple types of calcium channels in heart muscle and neurons. Modulation by drugs and neurotransmitters.
Mechanisms of calcium channel modulation by beta-adrenergic agents and dihydropyridine calcium agonists.
Two kinds of calcium channels in canine atrial cells. Differences in kinetics, selectivity, and pharmacology.
Maximal upstroke velocity as an index of available sodium conductance. Comparison of maximal upstroke velocity and voltage clamp measurements of sodium current in rabbit Purkinje fibers.
Tetrodotoxin block of sodium channels in rabbit Purkinje fibers. Interactions between toxin binding and channel gating.