Direct Inhibition of Cardiac Hyperpolarization-Activated Cyclic Nucleotide–Gated Pacemaker Channels by Clonidine
Author(s) -
Anne Knaus,
Xiangang Zong,
Nadine Beetz,
Roland Jahns,
Martin J. Lohse,
Martin Biel,
Lutz Hein
Publication year - 2007
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/circulationaha.106.667675
Subject(s) - clonidine , medicine , bradycardia , sinoatrial node , endocrinology , diastole , pharmacology , heart rate , blood pressure
Inhibition of cardiac sympathetic tone represents an important strategy for treatment of cardiovascular disease, including arrhythmia, coronary heart disease, and chronic heart failure. Activation of presynaptic alpha2-adrenoceptors is the most widely accepted mechanism of action of the antisympathetic drug clonidine; however, other target proteins have been postulated to contribute to the in vivo actions of clonidine.
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