نتایج جستجو برای: ischemia reperfusion

تعداد نتایج: 94631  

2010
Arun K. Singhal J. David Symons Sihem Boudina Bharat Jaishy Yan-Ting Shiu

Minimizing myocardial ischemia-reperfusion injury has broad clinical implications and is a critical mediator of cardiac surgical outcomes. "Ischemic injury" results from a restriction in blood supply leading to a mismatch between oxygen supply and demand of a sufficient intensity and/or duration that leads to cell necrosis, whereas ischemia-reperfusion injury occurs when blood supply is restore...

Journal: :Brazilian Journal of Pharmaceutical Sciences 2022

The purpose of this study is to evaluate the preventive effects Urtica dioica (UD) on muscle ischemia/reperfusion (I/R) injury. A total 27 male Wistar rats were divided into three groups as control group (1), I/R + saline (2), and I/R+UD (3). Group 1 did not receive any treatment. 2 was administered a 2mL/kg (1mL/kg before ischemia mL/kg after reperfusion), 3 given 2mL UD 1mL/kg reperfusion) Sa...

2014
Seung Myung Moon Woosuk Kim Jin Young Chung Wooseok Im Dae Young Yoo Hyo Young Jung Moo-Ho Won Jung Hoon Choi In Koo Hwang

In the previous study, we demonstrated that adipose-derived stem cells (ASCs) have neuroprotective effects against ischemic damage in the ventral horn of L5-6 levels at 3 days after ischemia/reperfusion. In the present study, we expanded our observations for 3 weeks after ischemia/reperfusion to rule out the possibility of delayed neuronal death in several days after ischemia/reperfusion. Trans...

احقری, پریسا , بخشی, عنایت‌اله , رنجبران, مینا , سیفی, بهجت , کدخدایی, مهری , یثربی, بهاره ,

Background: The renal sympathetic nerve activity (RSNA) is enhanced in renal failure. Paraventricular nucleus in hypothalamus is an important central site to regulate sympathetic activity. There are angiotensin II (Ang) II receptors in this nucleus. The aim of this study was to evaluate the effects of angiotensin II in hypothalamic paraventricular nucleus (PVN) on renal ischemia-reperfusion inj...

2017
Jianhua Gong Junyi Wang Yu Tian Jing Zhang Wenjin Liang Zeming Li Jidong Yu Bo Tang Songqing He

The aim of the present study was to investigate the association between tubulin folding cofactor B (TBCB) expression and ischemia-reperfusion injury (IRI) in mice. A total of 48 C57BL/6 mice were randomly divided into a control group (Sham, n=6) and an ischemia-reperfusion group (n=42). The ischemia-reperfusion group was further divided into 6 subgroups as per different times after reperfusion ...

Journal: :Al-Azhar International Medical Journal (Print) 2023

Background: One common approach to treat the symptoms of coronary artery disease (CAD) is percutaneous intervention (PCI). Unfortunately, myocardium vulnerable ischemia reperfusion damage whenever a previously blocked reopened.

A.A. Nekooeian Gholam Abbas Dehghani H. Panahpour

Background: The role of Renin Angiotensin System (RAS) in ischemic/reperfusion (I/R) injuries is not fully elucidated. Furthermore, it is not clear whether inhibition of RAS by Angiotensin-Converting Enzyme (ACE) inhibitors has beneficial effects in terms of protecting the brain from I/R injuries. In this study enalapril is used as an ACE inhibitor to evaluate the role of RAS in I/R injuries in...

Background& objectives: Renal ischemia-reperfusion (IR) damage occurs during renal transplantation in end-stage renal disease (ESRD) patients which activate immune responses. Inflammatory responses by increased levels of cytokines can lead to acute kidney injury (AKI) that contributes to the loss of renal grafts and graft dysfunction. The purpose of this study was to review the therapeutic effe...

Journal: :Circulation research 2007
John W Calvert Susheel Gundewar Munekazu Yamakuchi Pierce C Park William M Baldwin David J Lefer Charles J Lowenstein

Exocytosis of endothelial granules promotes thrombosis and inflammation and may contribute to the pathophysiology of early reperfusion injury following myocardial ischemia. TAT-NSF700 is a novel peptide that reduces endothelial exocytosis by inhibiting the ATPase activity and disassembly activity of N-ethylmaleimide-sensitive factor (NSF), a critical component of the exocytic machinery. We hypo...

2017
Zeynep Soyman Sefa Kelekçi Veysel Sal Osman Şevket Nihan Bayındır Hafize Uzun

BACKGROUND Apigenin is a plant-derived compound belonging to the flavone class, which possess antioxidant, free-radical-scavenging and anti-inflammatory properties. AIMS To address the effects of apigenin on serum anti-mullerian hormone levels, tissue oxidative stress parameters and histopathological changes in ovarian ischemia/reperfusion injury. STUDY DESIGN Animal experiment. METHODS T...

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