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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/6166

Title: The potential anti-inflammatory effect of tetrahydrobiopterin administration in renal mass reduction-induced chronic renal failure in rats
Authors: Korish, Aida A.
Arafah, Maha M.
Keywords: Kidney Disease
Urinary System Disease
Vertebrata
Mammalia
Rodentia
Tropical Medicine
Rat
Animal
Chronic
Reduction
Kidney
Anti Inflammatory
Renal Failure
تاريخ النشر: 2007
Publisher: Saudi Medical Journal, Riyadh
Citation: Saudi medical journal: 28 (12); 1803-1809
Abstract: Objectives: To investigate the impact of tetrahydrobiopterin (BH4) supplementation on the markers of inflammation, and on the histological picture of the kidney in chronic renal failure C-reactive protein (CRF) induced in rats by subtotal nephrectomy (SNx). Methods: This study was performed at the Faculty of Medicine, King Saud University, Riyadh, Saudi Arabia during the period from December 2005 to January 2007. Chronic renal failure was induced by 5/6 SNx in 20 male Wister rats, and another 10 rats were sham operated by flank incision and served as controls. Ten SNx rats received 10mg kg-1 BH4 intraperitoneally daily for 4 weeks. Plasma C-reactive protein (CRP), interlukin-6 (IL-6), malondialdehyde (MDA), and kidney functions were measured in all rats. Histopathological examination of the kidney tissues was also performed. Results: Untreated CRF rats showed significant elevation of plasma CRP, IL-6, and MDA levels, and significant decrease in plasma albumin and total protein levels, tubuloglomerular fibrosis and, interstitial tubular infiltration with inflammatory cells in comparison with the sham-operated rats. Tetrahydrobiopterin treatment decreased CRP, IL-6, and MDA levels, and decreased tubuloglomerular fibrosis and interstitial inflammation in treated CRF rats. Conclusions: Supplementation with exogenous BH4 decreased markers of inflammation and protected the kidney against post-renal mass reduction histologic damage. Restoration of intracellular BH4 balance could normalize nitrous oxide production. Therefore, BH4 might be a promising strategy in attenuating inflammation in CRF. This may decrease endothelial dysfunction and limit the associated cardiovascular morbidity and mortality of this disease.
Description: This article published in English, French and Arabic languages
URI: http://hdl.handle.net/123456789/6166
ISSN: 0379-5284
يظهر في المجموعات:Faculty of Medicine Research Center

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