Voltage-Gated Calcium Channels and Their Roles in Cardiac Electrophysiology

Jordi Heijman, Cristina E. Molina, Niels Voigt*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademic

Abstract

In cardiomyocytes voltage-gated Ca2+ channels are major players in cardiac cellular electrophysiology and cellular excitation-contraction coupling. Accordingly, Ca2+ channel dysfunction contributes to the development of cardiac arrhythmias and impaired cardiac contractile function. In addition, Ca2+ entry through voltage-gated Ca2+ channels is an important regulator of gene transcription and cardiac cellular metabolism. In order to fulfil these tasks reliably, Ca2+ channels are highly regulated by specific subunit compositions and various signaling pathways. This chapter provides an overview of the role of voltage-gated Ca2+ channels in cardiac cellular electrophysiology and summarizes their molecular composition, biophysical properties, and regulatory mechanisms, with a special focus on L-type Ca2+ channels.
Original languageEnglish
Title of host publicationChannelopathies in Heart Disease
EditorsDierk Thomas, Carol Ann Remme
PublisherSpringer
Pages77-96
Number of pages20
DOIs
Publication statusPublished - 1 Jan 2018

Publication series

SeriesCardiac and Vascular Biology
Volume6
ISSN2509-7830

Keywords

  • Action potential
  • Arrhythmias
  • Calcium
  • Early afterdepolarizations
  • Excitation contraction coupling
  • Ion channels

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