Chronic sympathetic activation promotes downregulation of β-adrenoceptor-mediated effects in the guinea pig heart independently of structural remodeling and systolic dysfunction. [electronic resource]
Producer: 20120105Description: 529-43 p. digitalISSN:- 1432-2013
- Adrenergic beta-Agonists -- pharmacology
- Animals
- Calcium Channels, L-Type -- metabolism
- Colforsin -- pharmacology
- Cyclic AMP -- metabolism
- Down-Regulation -- drug effects
- G-Protein-Coupled Receptor Kinase 2 -- biosynthesis
- GTP-Binding Protein alpha Subunits, Gs -- biosynthesis
- Guinea Pigs
- Isoproterenol -- pharmacology
- KCNQ1 Potassium Channel -- metabolism
- Male
- Myocardial Contraction -- drug effects
- Myocardium -- metabolism
- Receptors, Adrenergic, beta -- drug effects
- Refractory Period, Electrophysiological
- Signal Transduction -- drug effects
- Systole -- drug effects
- Ventricular Remodeling -- drug effects
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Publication Type: Journal Article; Research Support, Non-U.S. Gov't
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