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skos:definition |
CSP: antihypertensive agent; nonpeptide angiotension 1 subtype; angiotension 2 receptor antagonist/inhibitor.,MSH: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.,NCI: The potassium salt form of losartan, a non-peptide angiotensin II antagonist with antihypertensive activity. Losartan potassium selectively and competitively blocks the binding of angiotensin II to the angiotensin I (AT1) receptor. Angiotensin II, formed from angiotensin I by angiotensin-converting enzyme (ACE), stimulates the adrenal cortex to synthesize and secrete aldosterone, which decreases the excretion of sodium and increases the excretion of potassium. Angiotensin II also acts as a vasoconstrictor in vascular smooth muscle. Losartan potassium, by blocking the binding of angiotensin II to the AT 1 receptor, promotes vasodilatation and decreases the effects of aldosterone.,CHV: a drug used to treat hypertension,CHV: a drug used to treat hypertension,NCI: A dr
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