title: Regulation of the calcium sensitivity of the contractile system of heart muscle by the sarcolemma.
mesh_terms: D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000494:pharmacology / Q000502:physiology*; D000242:Cyclic AMP / Q000494:pharmacology; D006152:Cyclic GMP / Q000494:pharmacology; D003570:Cytidine Triphosphate / Q000494:pharmacology; D066298:In Vitro Techniques; D009124:Muscle Proteins / Q000502:physiology; D009200:Myocardial Contraction / Q000187:drug effects; D010766:Phosphorylation; D012508:Sarcolemma / Q000187:drug effects / Q000502:physiology*; D013806:Theophylline / Q000494:pharmacology
chemical_list: D009124:Muscle Proteins; D003570:Cytidine Triphosphate; D000255:Adenosine Triphosphate; D013806:Theophylline; D000242:Cyclic AMP; D006152:Cyclic GMP; D002118:Calcium