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   evaluation of ppar-α agonist effect on kidney performance through increment of nitric oxide during hyperglycemia-induced nephropathy in rat  
   
نویسنده yaribeygi habib ,mohammadi mohammad taghi
منبع razavi international journal of medicine - 2016 - دوره : 4 - شماره : 2 - صفحه:35 -41
چکیده    Background: chronic uncontrolled hyperglycemia is the common reason of renal failure. objectives: we aimed to assess the possible protective effects of pparα agonist (fenofibrate) on kidney performance and nitric oxide (no) level of kidney in experimental model of diabetic nephropathy (dn). materials and methods: male wistar rats were randomly divided into four groups (n = 6); normal, normal treatment, diabetic and diabetic treatment. rats were made diabetic by an intravenous injection of streptozotocin (40 mg/kg). after 72 hours, blood samples were collected for approving diabetes and the rats with blood glucose above 400 mg/dl were considered as diabetic animals. treated groups received orally fenofibrate for 8 weeks (80 mg/kg/day). at the end, blood samples were collected for measuring blood glucose and creatinine. finally, no content and histopathological assessments of kidney were assessed at termination of experiment. results: fenofibrate did not change the blood glucose of normal or diabetic rats. diabetes increased the proteinuria (82%) and blood creatinine of diabetic rats (4.51 ± 0.45 mg/dl) compared to normal rats (0.66 ± 0.14 mg/dl). chronic hyperglycemia also decreased the content of renal no (37%) compared with normal rats in accompany with histopathological damages. fenofibrate significantly decreased the proteinuria (80%) and blood creatinine of diabetic rats (1.66±0.23 mg/dl). the content of no increased in the kidneyof both treated rats (31%). fenofibrate also improved the histopathological changes of diabetic kidney. conclusions: our findings indicate that fenofibrate (pparα agonist) is able to prevent dn progression and improve kidney performance during chronic uncontrolled hyperglycemia possibly through increase in no bioavailability of kidney
کلیدواژه nitric oxide ,nephropathy ,fenofibrate ,diabetes mellitus
آدرس baqiyatallah university of medical sciences, school of medicine, department of physiology and biophysics, iran, baqiyatallah university of medical sciences, school of medicine, department of physiology and biophysics, iran
 
     
   
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