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Query: UNIPROT:P06889 (Mol)
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Since the isolation and purification of aldosterone from adrenal extracts 50 years ago (Experientia 9 (1953) 33), scientists have learned a great deal about how and where aldosterone acts, the factors that control its release, what is its role in the pathophysiology of cardiovascular disease, how to make and study aldosterone antagonists, and for what medical purposes these agents are useful. In this paper, we will discuss the evolution of aldosterone antagonists from the relatively nonselective spironolactone (Aldactone), to the highly selective eplerenone (Inspra). Eplerenone represents a molecule with improved steroid receptor selectivity and pharmacokinetic properties in man compared to spironolactone. Recent clinical results have demonstrated that these improvements translate into tolerability and efficacy in patients with cardiovascular disease.
Mol Cell Endocrinol 2004 Mar 31
PMID:The evolution of aldosterone antagonists. 1513 97

The classical mineralocorticoid effect of aldosterone on unidirectional transepithelial sodium transport in the kidney was long thought to be the predominant effect of this hormone. However, there is convincing evidence for additional extrarenal actions of aldosterone that are mediated via activation of mineralocorticoid receptors (MRs) in the heart, vasculature and brain. It is now postulated that many of the detrimental effects of aldosterone are mediated through MR activation in these nonclassical target organs. The selective aldosterone blocker, eplerenone (Inspra), is under development for human therapeutic use for treatment of hypertension and heart failure post-myocardial infarction (MI). Clinical and preclinical studies have linked elevated aldosterone to hypertension, left ventricular and vascular remodeling, cardiac, renal, and cerebral vascular inflammation and injury, and increased risk of mortality in heart failure patients. Multiple studies in experimental models of hypertension and heart failure demonstrate that selective blockade of aldosterone by eplerenone effectively preserves cardiac function, attenuates maladaptive left ventricular remodeling and tissue and vascular injury in part by reducing vascular inflammation in aldosterone target organs.
Mol Cell Endocrinol 2004 Mar 31
PMID:Aldosterone target organ protection by eplerenone. 1513 22