Beta1-Adrenergic Receptor Regulation Revisited
- PMID: 30571467
- PMCID: PMC6333418
- DOI: 10.1161/CIRCRESAHA.118.313884
Beta1-Adrenergic Receptor Regulation Revisited
Abstract
The actions and regulation of cardiomyocyte β1ARs differ in several respects from the properties described for the prototypical β2AR subtype; a mechanism to explain the unique properties of the β1AR subtype has never been obvious. This viewpoint summarizes recent studies that identify a novel signaling paradigm for the β1AR, implicating the N-terminus as a molecular determinant of β1AR responsiveness.
Keywords: apoptosis; arrestin; catecholamine; heart failure; immunoblotting.
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