Results 31 to 40 of about 4,468 (102)
Zhongguo shiyan zhenduanxue, 2009 目的探讨大鼠全肝缺血再灌注后肺组织细胞凋亡情况及异丙酚对细胞凋亡的影响。方法24只SD大鼠随机分为3组（n=8）,异丙酚组、缺血再灌注组与假手术组。阻断肝门30 min后开放血流,建立大鼠全肝缺血再灌注模型。异丙酚组与缺血再灌注组分别于肝门阻断前10min腹腔注射异丙酚50 mg/kg或相应剂量生理盐水,于再灌注1 h处死动物。假手术组不阻断肝门,于上述各相应时间点注射生理盐水与处死动物。留取肺脏组织,原位末端转移酶（TUNEL）法检测细胞凋亡,同时检测肺组织超氧化物歧化酶（SOD）活性、丙二醛（MDA）
姜春玲, 王金兰, 咸云淑, 刘岩
doaj
基于核磁共振氢谱技术研究电针“内关”穴对心肌缺血再灌注损伤大鼠血清及心肌组织代谢物的影响 [PDF]
, 2018 目的:基于核磁共振氢谱(1 H NMR)研究电针\"内关\"穴对心肌缺血再灌注损伤(MIRI)大鼠血清和心肌组织代谢物的影响,探讨电针\"内关\"穴对MIRI大鼠代谢模式的影响。方法:30只SD雄性大鼠随机分为对照组、模型组、电针组。对照组:不予电针,仅用鼠板束缚大鼠,每次20min,每日1次,持续7d;模型组予心肌缺血再灌注造模:至第7天后结扎冠状动脉左前降支40 min后恢复血流60 min;电针组(频率10Hz/50Hz,脉冲宽度0.5ms,强度1mA):每日电针双侧\"内关\"穴1次 ...
严洁 +11 more
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羟乙基淀粉急性等容血液稀释对兔心肌缺血再灌注损伤的抗氧化作用
Zhongguo shiyan zhenduanxue, 2009 目的观察6%羟乙基淀粉（hydroxyethel starch,HES 130/0.4）急性等容血液稀释对兔心肌缺血再灌注损伤的抗氧化作用。方法21只家兔随机分为3组,每组7只:组Ⅰ（假手术组）;组Ⅱ（缺血再灌注组）;组Ⅲ（血液稀释组）。观察在急性心肌缺血45 min及再灌注180 min状态下血浆及心肌组织中过氧化物歧化酶（SOD）、磷酸肌酸激酶（CPK）、乳酸脱氢酶（LDH）活性及丙二醛（MDA）含量的变化。结果缺血及再灌注后,组Ⅱ血浆SOD活性进行性下降 ...
张燕 +5 more
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Regulatory effect of 5'tRF-LysCTT on ferroptosis in mouse cardiomyocytes and its mechanism [PDF]
Objective To investigate the regulatory effect of tRNA-derived small RNA (tsRNA) on ferroptosis in mouse cardiomyocytes and its mechanism. Methods RT-qPCR was used to measure the relative expression level of 5'tRF-LysCTT in the heart, liver, spleen ...
ZHAO Yan, WANG Kai, CHENG Xueli, WANG Kun
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Role of tubular cell-derived exosomes in renal ischemia reperfusion injury [PDF]
Renal ischemia reperfusion injury refers to a pathophysiological phenomenon that aggravates the degree of renal injury due to the restoration of blood supply after transient ischemia of renal tissue.
Ai-sha Zhang +7 more
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Zhongguo shiyan zhenduanxue, 2010 目的观察缺血再灌注损伤对肾细胞游离钙（[Ca2+]i）水平和细胞凋亡的影响。方法采用摘除左肾,钳夹大鼠右侧肾蒂,建立急性缺血再灌注肾损伤模型,应用Fura-2/AM荧光指示剂测定缺血再灌注大鼠肾细胞[Ca2+]i水平,流式细胞术检测肾细胞凋亡率。结果缺血再灌注不同时期肾细胞呈现不同程度Ca2+超载,与对照组相比差异显著 ...
赵军, 张文岚, 孙玲
doaj
Protective effect of Col003 on the blood-brain barrier after cerebral ischemia-reperfusion injury in rats [PDF]
Objective To investigate the protective effect of Col003, an inhibitor of heat shock protein 47 (HSP47) on the blood-brain barrier (BBB) after cerebral ischemia-reperfusion injury in rats and its possible mechanism. Methods The rats were randomly divided
DENG Mengyu +6 more
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Zhongguo shiyan zhenduanxue, 2009 目的探讨褪黑素对全肝缺血再灌注大鼠肺组织细胞凋亡的影响作用及相关机制。方法30只SD大鼠随机分3组:褪黑素治疗组,缺血再灌注组与假手术对照组。阻断肝门30 min后开放血流,建立大鼠全肝缺血再灌注模型。褪黑素组与缺血再灌注组分别于肝门阻断前15 min和再灌注前10 min静脉注射褪黑素溶液或相同剂量溶剂,于再灌注1 h处死动物。假手术组不阻断肝门,于上述各相应时间点注射溶剂与处死动物。留取肺脏组织,原位末端转移酶（TUNEL）法检测细胞凋亡、PCR法检测Bcl-XL与Bax mRNA表达 ...
姜春玲 +4 more
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非诺贝特对小鼠急性局灶性脑缺血再灌注损伤的保护作用 [PDF]
, 2012 目的研究非诺贝特(fenofibrate,Fen)对小鼠急性局灶性脑缺血再灌注损伤的保护作用及机制。方法线栓法制备小鼠大脑中动脉栓塞模型,缺血90 min后再灌注。非诺贝特(10,80 mg.kg-1)再灌注同时及再灌后2 h各灌胃给药1次。再灌注后24 h,测定小鼠神经功能缺失评分、脑梗死体积及脑水肿程度,实时逆转录多聚酶链反应(RT-PCR)法检测过氧化物酶体增殖物激活受体α(PPARα)mRNA的表达水平,生化法测定脑组织丙二醛(maiondialdehyde,MDA)含量及超氧化物歧化酶 ...
周宇 +5 more
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