Thyroid hormones and cardiac arrhythmias

Narcis Tribulova, Vladimir Knezl, Asher Shainberg, Shingo Seki, Tomas Soukup

Research output: Contribution to journalReview articlepeer-review

66 Scopus citations

Abstract

Thyroid hormone plays an important role in cardiac electrophysiology and Ca2+ handling through both genomic and nongenomic mechanisms of action, while both actions can interfere. Chronic changes in the amount of circulating thyroid hormone due to thyroid dysfunction or systemic disease result in structural, electrophysiological and Ca2+ handling remodeling, while acute changes may affect basal activity of cardiac cells membrane systems. Consequently, long-term or rapid modulation of sarcolemmal ion channels, Ca2+ cycling proteins and intercellular communicating channels by thyroid hormone may affect heart function as well as susceptibility of the heart to arrhythmias. This aspect including pro- and anti-arrhythmic potential of thyroid hormone is highlighted in this review.

Original languageEnglish
Pages (from-to)102-112
Number of pages11
JournalVascular Pharmacology
Volume52
Issue number3-4
DOIs
StatePublished - Mar 2010

Bibliographical note

Funding Information:
This work was partially supported by Slovak VEGA 2/0049/09 and APVV 51-059505 , 51-017905 grants as well as by Czech GACR 304/08/0256 and AVOZ 50110509 grants.

Funding

This work was partially supported by Slovak VEGA 2/0049/09 and APVV 51-059505 , 51-017905 grants as well as by Czech GACR 304/08/0256 and AVOZ 50110509 grants.

FundersFunder number
Vedecká Grantová Agentúra MŠVVaŠ SR a SAV2/0049/09, GACR 304/08/0256, 51-017905, APVV 51-059505, AVOZ 50110509

    Keywords

    • Arrhythmias
    • Ca handling
    • Connexin-43
    • Ion channels
    • Thyroid hormone

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