{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T06:22:02Z","timestamp":1789021322430,"version":"build-2803163510"},"reference-count":38,"publisher":"American Physiological Society","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Regulatory, Integrative and Comparative Physiology"],"published-print":{"date-parts":[[2012,6,15]]},"abstract":"<jats:p>The aim of the present study was to characterize the function of resistance arteries, and the aorta, in rats with adenine-induced chronic renal failure (A-CRF). Sprague-Dawley rats were randomized to chow with or without adenine supplementation. After 6\u201310 wk, mesenteric arteries and thoracic aortas were analyzed ex vivo by wire myography. Plasma creatinine concentrations were elevated twofold at 2 wk, and eight-fold at the time of death in A-CRF animals. Ambulatory systolic and diastolic blood pressures measured by radiotelemetry were significantly elevated in A-CRF animals from week 3 and onward. At death, A-CRF animals had anemia, hyperphosphatemia, hyperparathyroidism, and elevated plasma levels of asymmetric dimethylarginine and oxidative stress markers. There were no significant differences between groups in the sensitivity, or maximal response, to ACh, sodium nitroprusside (SNP), norepinephrine, or phenylephrine in either mesenteric arteries or aortas. However, in A-CRF animals, the rate of aortic relaxation was significantly reduced following washout of KCl (both in intact and endothelium-denuded aorta) and in response to ACh and SNP. Also the rate of contraction in response to KCl was significantly reduced in A-CRF animals both in mesenteric arteries and aortas. The media of A-CRF aortas was thickened and showed focal areas of fragmented elastic lamellae and disorganized smooth muscle cells. No vascular calcifications could be detected. These results indicate that severe renal failure for a duration of less than 10 wk in this model primarily affects the aorta and mainly slows the rate of relaxation.<\/jats:p>","DOI":"10.1152\/ajpregu.00696.2011","type":"journal-article","created":{"date-parts":[[2012,4,19]],"date-time":"2012-04-19T06:32:03Z","timestamp":1334817123000},"page":"R1426-R1435","source":"Crossref","is-referenced-by-count":32,"title":["Vascular function in rats with adenine-induced chronic renal failure"],"prefix":"10.1152","volume":"302","author":[{"given":"Lisa","family":"Nguy","sequence":"first","affiliation":[{"name":"Department of Molecular and Clinical Medicine\/Nephrology, Institute of Medicine, Sahlgrenska Academy at the University of Gothenburg, Sweden;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Holger","family":"Nilsson","sequence":"additional","affiliation":[{"name":"Department of Physiology, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University 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