{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T13:35:23Z","timestamp":1790516123269,"version":"4.1.0"},"reference-count":31,"publisher":"Canadian Science Publishing","issue":"2","license":[{"start":{"date-parts":[[2011,2,1]],"date-time":"2011-02-01T00:00:00Z","timestamp":1296518400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Can. J. Physiol. Pharmacol."],"published-print":{"date-parts":[[2011,2]]},"abstract":"<jats:p>Certain nonsteroidal anti-inflammatory drugs have been reported to elevate blood pressure in some hypertensive patients, who are either untreated or treated with antihypertensive agents. This study was undertaken to determine the effect of a selective cyclooxygenase-2 (COX-2) inhibitor, celecoxib, on the antihypertensive effects of the angiotensin II type 1 receptor (AT<jats:sub>1<\/jats:sub>) antagonist, losartan potassium. We studied the effect of oral treatment with losartan (30\u00a0mg\/kg), celecoxib (3\u00a0mg\/kg), and their combination on the mean arterial blood pressure (MAP), plasma renin activity (PRA), and plasma prostaglandin E<jats:sub>2<\/jats:sub>(PGE<jats:sub>2<\/jats:sub>) in male Sprague\u2013Dawley rats with renovascular hypertension (RVH) induced by partial subdiaphragmatic aortic constriction. Treatment was continued for 7 days after aortic coarctation. Aortic coarctation led to significant increases in the MAP, PRA, and plasma PGE<jats:sub>2<\/jats:sub>. In RVH rats, losartan treatment caused a significant decrease of MAP with a significant increase in both plasma PGE<jats:sub>2<\/jats:sub>and PRA. Celecoxib caused a nonsignificant change in MAP with a significant decrease in the raised levels of plasma PGE<jats:sub>2<\/jats:sub>and PRA. Concomitant administration of celecoxib and losartan did not significantly affect the lowering effect of losartan on MAP with a subsequent significant decrease in the plasma PGE<jats:sub>2<\/jats:sub>and PRA in RVH rats. Therefore, celecoxib could be used in renin-dependent hypertensive patients who receive losartan, without fear of a rise in their blood pressure.<\/jats:p>","DOI":"10.1139\/y10-112","type":"journal-article","created":{"date-parts":[[2011,4,24]],"date-time":"2011-04-24T19:14:57Z","timestamp":1303672497000},"page":"103-107","source":"Crossref","is-referenced-by-count":11,"title":["Effect of celecoxib on the antihypertensive effect of losartan in a rat model of renovascular hypertension"],"prefix":"10.1139","volume":"89","author":[{"given":"Vivian","family":"Boshra","sequence":"first","affiliation":[{"name":"Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura, Egypt."},{"name":"Department of Physiology, Faculty of Medicine, Mansoura University, Mansoura, Egypt."},{"name":"Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gehan Abdel Hamid","family":"El Wakeel","sequence":"additional","affiliation":[{"name":"Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura, Egypt."},{"name":"Department of Physiology, Faculty of Medicine, Mansoura University, Mansoura, Egypt."},{"name":"Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manar A","family":"Nader","sequence":"additional","affiliation":[{"name":"Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura, Egypt."},{"name":"Department of Physiology, Faculty of Medicine, Mansoura University, Mansoura, Egypt."},{"name":"Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"155","reference":[{"key":"rg1\/ref1","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.165.5.IOI50013"},{"key":"rg2\/ref2","doi-asserted-by":"crossref","first-page":"940","DOI":"10.1152\/ajprenal.1998.274.5.F940","volume":"274","author":"Cervenka L.","year":"1998","journal-title":"Am. 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