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Class of antihypertensives that bind to and inhibit the angiotensin II receptor type 1 and thereby block the arteriolar contraction and sodium retention effects of renin–angiotensin system. Azilsartan medoxomil; Candesartan; Eprosartan; Fimasartan; Irbesartan; Losartan; Olmesartan; Telmisartan; Valsartan
Antihypertensive agents comprise multiple classes of compounds that are intended to manage hypertension (high blood pressure). Antihypertensive therapy aims to maintain a blood pressure goal of <140/90 mmHg in all patients, as well as to prevent the progression or recurrence of cardiovascular diseases (CVD) in hypertensive patients with established CVD. [2]
Angiotensin II, through AT 1 receptor stimulation, is a major stress hormone and, because (ARBs) block these receptors, in addition to their eliciting anti-hypertensive effects, may be considered for the treatment of stress-related disorders. [15] In 2008, they were reported to have a remarkable negative association with Alzheimer's disease (AD).
Angiotensin II receptor type 1 (AT1) is a G q/11-coupled G protein-coupled receptor (GPCR) and the best characterized angiotensin receptor. It is encoded in humans by the AGTR1 gene. AT1 has vasopressor effects and regulates aldosterone secretion. It is an important effector controlling blood pressure and volume in the cardiovascular system.
AT 2 receptors are more plentiful in the fetus and neonate. The AT 2 receptor remains enigmatic and controversial – is probably involved in vascular growth. Effects mediated by the AT 2 receptor are suggested to include inhibition of cell growth, fetal tissue development, modulation of extracellular matrix, neuronal regeneration, apoptosis, cellular differentiation, and maybe vasodilation ...
Some beta blockers block activation of all types of β-adrenergic receptors and others are selective for one of the three known types of beta receptors, designated β 1, β 2 and β 3 receptors. [ 3 ] : 153 β 1 -adrenergic receptors are located mainly in the heart and in the kidneys.