期刊
MOLECULAR AND CELLULAR ENDOCRINOLOGY
卷 458, 期 C, 页码 76-81出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mce.2017.01.003
关键词
Thyroid hormones; 3, 5-Diiodothyronine; 3-Iodothyronamine; Thyroacetic acids; Non-genomic effects; Cardioprotection
资金
- Fondazione Cassa di Risparmio di Lucca
- University of Pisa [PRA_2016_43]
Thyroid hormones (THs) have a major role in regulating cardiac function. Their classical mechanism of action is genomic. Recent findings have broadened our knowledge about the (patho)physiology of cardiac regulation by THs, to include non-genomic actions of THs and their metabolites (THM). This review provides an overview of classical and non-classical cardiac effects controlled by: i) iodothyronines (thyroxine, T4; 3,5,3'-triiodothyronine,T3; 3, 5-diiodothyronine, T2); ii) thyronamines (thyronamine, TOAM; 3-iodothyronamine, T1AM); and iii) iodothyroacetic acids (3, 5, 3', 5'-tetraiodothyroacetic acid, tetrac; 3, 5, 3'-triiodothyroacetic acid, triac; 3-iodothyroacetic acid, TA1). Whereas iodothyronines enhance both diastolic and systolic function and heart rate, thyronamines were observed to have negative inotropic and chronotropic effects and might function as a brake with respect to THs, although their physiological role is unclear. Moreover, thyronamines showed a cardioprotective effect at physiological concentrations. The cardiac effects of iodothyroacetic acids seem to be limited and need to be elucidated. (C) 2017 Elsevier B.V. All rights reserved.
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