نتایج جستجو برای: renal ischemia reperfusion

تعداد نتایج: 330612  

Ali Ahadi, Hossein Ali Arab, Maryam Zahmatkesh, Mehri Kadkhodaee,

Introduction: Ischemia/reperfusion (IR) injury involves a complex interrelated sequence of events. High levels of nitric oxide (NO) are generated with inducible form of nitric oxide synthase (iNOS) leading to the renal IR injury and glutathione (GSH) depletion. The present study was designed to investigate the effect of L-Nil (N6- (1-Iminoethyl)-L- lysine.hydrochloride), a selective inhibito...

بنائی گیوی, شکوفه, پازوکی, حمیدرضا, همایونفر, همایون ,

    Background & Aim: Occlusion of organs artery results in ischemia and the opening of occluded artery leads to tissue lesion identified as reperfusion injury(RI). Oxygen-derived free radicals seem to be involved in the reperfusion injury. In this experimental study the effects of 5-aminosalicylic acid(5-ASA), a prescribed drug for ulcerative colitis, was assessed. 5-ASA is a potent scavenger ...

Journal: :Acta cirurgica brasileira 2017
Sylvio Valença de Lemos Isabela Galvão Vianna Yara Marcondes Machado Castiglia Marjorie de Assis Golim Aparecida Vitória Gonçalves de Souza Lídia Raquel de Carvalho Elenice Deffune Paulo do Nascimento Norma Sueli Pinheiro Módolo Pedro Thadeu Galvão Vianna

Purpose: To investigate the effects of cyclosporine A on renal ischemia-reperfusion injury during transient hyperglycemia in rats. Methods: In a model of ischemia-reperfusion-induced renal injury and transiently induced hyperglycemia by intraperitoneal injection of glucose, 2.5 g.kg-1, Wistar rats were anesthetized with either isoflurane or propofol and received intravenous cyclosporine A, 5...

Journal: :The Journal of pharmacology and experimental therapeutics 2009
Nimesh S A Patel Rosanna di Paola Emanuela Mazzon Domenico Britti Christoph Thiemermann Salvatore Cuzzocrea

This study was designed to elucidate the role of peroxisome proliferator-activated receptor (PPAR)-alpha in the development of inflammation after ischemia/reperfusion injury of the kidney. We have evaluated the effects of ischemia/reperfusion on renal dysfunction, injury, and inflammation in wild-type mice or mice in which the gene for PPAR-alpha has been deleted [PPAR-alpha(-/-)] and then trea...

احقری, پریسا , صداقت, زهرا , محمودی, عاطفه , نجفی, عاطفه , کدخدایی, مهری , گلاب, فرشته ,

Background: Several studies indicate that gender differences exist in tolerance of the kidney to ischemia reperfusion (IR) injury. Recently, postconditioning (POC), induction of brief repetitive periods of IR, has been introduced to reduce the extent of the damage to the kidney. This method was shown to attenuate renal IR injury by modifying oxidative stress and reducing lipid peroxidation. Con...

خانی زاده, علیرضا, رحمانی, جعفر, نصیرزاده, محمدرضا, کاظمی, محمد,

Abstract Background and purpose: Ischemia-reperfusion (I/R) is present at various degrees in kidney transplants. Several studies suggest that renal ischemia reperfusion (RIR) can induce acute kidney injury. Olive leaf is a significant source of bioactive phenolic compounds. They have better antioxidant capacity, anti-inflammatory and radical scavenging. Materials and methods: In this study ...

Journal: :International braz j urol : official journal of the Brazilian Society of Urology 2012
Lian-hui Fan Long He Zhi-qiang Cao Bjun Xiang Long Liu

OBJECTIVE To study the effect of ischemia preconditioning (IP) on renal ischemia/reperfusion (I/R)-associated functional injury and expression of renal adhesion molecules in rats. MATERIALS AND METHODS The ischemia preconditioning plan adopted in this experiment involved renal warm ischemia for 6 min. and blood flow for 4 min., repeated four times. The Wistar rat kidneys used for warm ischemi...

Journal: :The Journal of pharmacology and experimental therapeutics 2011
Shinya Yamamoto Bunta Watanabe Jun Hiratake Ryosuke Tanaka Mamoru Ohkita Yasuo Matsumura

GGsTop [2-amino-4-{[3-(carboxymethyl)phenyl](methyl)phosphono}butanoic acid], is a novel, highly selective, and irreversible γ-glutamyl transpeptidase (GGT) inhibitor with no inhibitory activity on glutamine amidotransferases. In this study, we investigated the effects of treatment with GGsTop on ischemia/reperfusion-induced renal injury in uninephrectomized rats. Ischemic acute kidney injury (...

Journal: :American journal of physiology. Renal physiology 2007
Gamika A Prathapasinghe Yaw L Siow Karmin O

Ischemia followed by reperfusion is a major cause for renal injury in both native kidney and renal allografts. Hyperhomocysteinemia, a condition of elevated plasma homocysteine (Hcy) level, is associated with cardiovascular diseases. Recent evidence suggests that Hcy, at higher levels, may be harmful to other organs such as the kidney. In this study, we investigated the role of Hcy in ischemia-...

Introduction: Renal ischemia-reperfusion (RIR) may disturb renin-angiotensin system components. In this study, the effects of Mas receptor (A779) and AT2 receptor (PD123319) antagonists were examined in RIR rats. Methods: Total 60 male and female Wistar rats were assigned into 10 groups (n=6 in each group), including sham-operated group, RIR groups treated with the vehicle, A779, PD123319, ...

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