An animal model of calcium oxalate urolithiasis based on a cyclooxygenase 2 selective inhibitor |
| |
Authors: | Byong Chang Jeong Min Young Park Cheol Kwak Bong Sub Kim Jung-In Kim Hyeon Hoe Kim |
| |
Institution: | (1) Department of Urology, Seoul National University College of Medicine and Clinical Research Institute, Seoul National University Hospital, 28, Yongon-dong Chongno-gu, 110-744 Seoul, Korea;(2) Biohealth Product Research Center, School of Food and Life Science, Inje University, Gimhae, Korea |
| |
Abstract: | Our aim was to develop a stone-forming animal model involving renal tubular injury using a cyclooxygenase 2 selective inhibitor. Male Sprague-Dawley rats fed chow containing 3% sodium oxalate with or without 100 mg/kg celecoxib were compared to animals fed normal chow. Rats were killed after 2 or 4 weeks and the kidneys were harvested for morphological examination. Collections of 24-h urine were made before kidney harvest. After 2 weeks only a few crystals were observed in rats that received oxalate and celecoxib, but after 4 weeks more crystals were observed at the renal papilla than in rats that received only oxalate. Few crystals were found in rats fed normal chow with or without celecoxib. The urinary activities of gamma-glutamyl transpeptidase (GGT) were increased by celecoxib administration whereas creatinine clearance rates were unchanged. In rats fed oxalate, urinary oxalate excretion increased, but calcium excretion decreased. This model using a cyclooxygenase 2 selective inhibitor is a useful stone forming animal model involving mild renal tubular injury together with mild hyperoxaluria. |
| |
Keywords: | Celecoxib Oxalate Urolithiasis Animal model COX-2 |
本文献已被 PubMed SpringerLink 等数据库收录! |
|