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Updated: Aug 27, 2026

Contractions of Human-iPSC-derived Cardiomyocyte Syncytia Measured with a Ca-sensitive Fluorescent Dye in Temperature-controlled 384-well Plates
Published on: October 18, 2018
[Activity profile of beta blockers]
1Departement für Innere Medizin, Universitätsspital, Zürich.
Abstract:
Beta-adrenergic blockers are heterogeneous with respect to their array of specific actions. Major characteristics of a compound's profile include beta-1 specificity, hydrophilicity, duration of action, antiarrhythmic potency, and intrinsic sympathomimetic activity (ISA). Hydrophilicity parallels duration of action, and beta-1 specificity is inversely related to the strength of metabolic effects. An ideal profile of a beta-adrenergic blocker encompasses high beta-1 specificity, long action, strong antiarrhythmic effects, and low ISA.
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