Projects per year
Ever since British Physician William Withering first described the use of foxglove extract for treatment of patients with congestive heart failure in 1785, cardiotonic steroids have been used clinically to treat heart failure and more recently atrial fibrillation. Due to their ability to bind and inhibit the ubiquitous transport enzyme sodium potassium pump, thus regulating intracellular Na+ concentration in every living cell, they are also an essential tool for research into the sodium potassium pump structure and function. Exogenous CTS have been clearly demonstrated to affect cardiovascular system through modulation of vagal tone, cardiac contraction (via ionic changes) and altered natriuresis. Reports of a number of endogenous CTS, since the 1980s, have intensified research into their physiologic and pathophysiologic roles and opened up novel therapeutic targets. Substantive evidence pointing to the role of endogenous ouabain and marinobufagenin, the two most prominent CTS, in development of cardiovascular disease has accumulated. Nevertheless, their presence, structure, biosynthesis pathways and even mechanism of action remain unclear or controversial. In this review the current state-of-the-art, the controversies and the remaining questions surrounding the role of endogenous cardiotonic steroids in health and disease are discussed.
|Number of pages||7|
|Early online date||27 Dec 2019|
|Publication status||Published - Mar 2020|
- Atrial fibrillation
- Cardiotonic steroids
- Heart failure
- Sodium potassium pump
ASJC Scopus subject areas
- Molecular Biology
- Cell Biology
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- 4 Finished
Investigating regulatory pathways for intracellular sodium in the atria
1/10/19 → 30/09/22
Scarred by kidney disease: FGF23 as a key mediator of cardiac fibrosis in patients with chronic kidney disease
Weston, C., Pavlovic, D., McGettrick, H. & Gough, R.
1/08/19 → 28/02/23
Examining the role of endogenous cardiotonic steriods in cardiovascular disease development.
1/04/16 → 31/03/18