Gap junction remodeling and cardiac arrhythmogenesis: cause or coincidence?

Abstract excerpt

Gap junctions, clusters of transmembrane channels that link adjoining cells, mediate myocyte-to-myocyte electrical coupling and communication. The component proteins of gap junction channels are termed connexins and, in in vitro expression systems, gap-junctional channels composed of different connexin types exhibit different biophysical properties. In common with other tissues, the heart expresses multiple...

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