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槲皮素抑制诱导型一氧化氮合酶减轻脓毒症大鼠的心肌损伤

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成果类型:
期刊论文
作者:
张弛;黄靓;屈顺林;唐志晗;韦星
通讯作者:
Zhang, C.
作者机构:
[唐志晗; 屈顺林; 韦星] Institute of Cardiovascular Disease, University of South China, Hengyang Hunan 421001, China
Function Laboratory Center, University of South China, Hengyang Hunan 421001, China
Dept of Operative Surgery, University of South China, Hengyang Hunan 421001, China
[Huang L.] Institute of Cardiovascular Disease, University of South China, Hengyang Hunan 421001, China, Dept of Operative Surgery, University of South China, Hengyang Hunan 421001, China
[张弛] Institute of Cardiovascular Disease, University of South China, Hengyang Hunan 421001, China, Function Laboratory Center, University of South China, Hengyang Hunan 421001, China
通讯机构:
[Zhang, C.] I
Institute of Cardiovascular Disease, University of South China, China
语种:
中文
关键词:
槲皮素;脓毒症;心肌损伤;血流动力学;诱导型一氧化氮合酶;一氧化氮
关键词(英文):
Hemodynamics;Inducible nitric oxide synthase;Myocardial depression;Nitric oxide;Quercetin;Sepsis
期刊:
中国药理学通报
ISSN:
1001-1978
年:
2011
卷:
27
期:
11
页码:
1586-1589
基金类别:
湖南省科技计划项目(No2010FJ4086) 湖南省高等学校科学研究项目(No07C624)
机构署名:
本校为第一且通讯机构
院系归属:
医学院
摘要:
目的初步探讨槲皮素对脓毒症心肌损伤的影响及其机制。方法将30只SPF级♂SD大鼠分为槲皮素预处理组、脓毒症组和假手术组,每组10只。采用盲肠结扎穿刺法制备脓毒症大鼠模型。盲肠结扎穿刺术后12 h经右颈总动脉左心室内插管监测各组大鼠MAP、LVSP、LVEDP、±dp/dt~(max)等血流动力学指标,免疫印迹法测定心肌组织iNOS蛋白表达,酶法测定心肌组织匀浆中iNOS活力及NO含量。结果脓毒症组大鼠LVSP降低、LVEDP升高、+dp/dt~(max)与-dp/dt~(max)均有所下降,而槲皮素预处理组以上各项指标均有不同程度改善;脓毒症组大鼠左心室心肌组织iNOS的表达上调,iNOS的活力升高,NO的含量增加,而槲皮素预处理组...
摘要(英文):
Aim: To investigate the protective effects of quercetin (QCT) treatment on sepsis - induced myocar-dial depression and explore its mechanism. Methods: Male Sprague-Dawley rats were randomized to 1 of 3 treatments: sham operation group, CLP group and CLP pretreatment with QCT (10 rats in each group). Rat sepsis was created by cecal ligation puncture (CLP) operation. Left ventricular (LV) performance was measured at 12 hours following CLP operation by cardiac hemodynamic measurements via a catheter placed through right common carotid artery to th...

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