Pannexin-1 Deficient Mice Have an Increased Susceptibility for Atrial Fibrillation and Show a QT-Prolongation Phenotype
Author(s) -
Stella Petric,
Sofia Klein,
Lisa Dannenberg,
Tillman Lahres,
Lukas Clasen,
Klaus G. Schmidt,
Zhaoping Ding,
Birgit Donner
Publication year - 2016
Publication title -
cellular physiology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.486
H-Index - 87
eISSN - 1421-9778
pISSN - 1015-8987
DOI - 10.1159/000438645
Subject(s) - qt interval , cardiac electrophysiology , intracardiac injection , atrial fibrillation , pannexin , medicine , cardiology , electrophysiology , herg , context (archaeology) , stimulation , potassium channel , gap junction , biology , connexin , microbiology and biotechnology , paleontology , intracellular
Pannexin-1 (Panx1) is an ATP release channel that is ubiquitously expressed and coupled to several ligand-gated receptors. In isolated cardiac myocytes, Panx1 forms large conductance channels that can be activated by Ca2+ release from the sarcoplasmic reticulum. Here we characterized the electrophysiological function of these channels in the heart in vivo, taking recourse to mice with Panx1 ablation.
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