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不同脑温状态下地西泮对大鼠脑缺血组织氨基酸及自由基的影响 被引量:4

Effects of diazepam under different cerebral temperature on amino acid concentration and oxyradical in cerebral ischemia tissue of rat
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摘要 目的探讨不同脑温状态下地西泮对大鼠脑缺血组织谷氨酸(Glu)、γ-氨基丁酸(GABA)、超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GSH-Px)及丙二醛(MDA)的影响。方法建立大鼠大脑中动脉缺血再灌注模型,诱导目标脑温,测定轻度高温、常温、亚低温状态下各组脑缺血组织Glu、GABA、SOD、GSH-Px及MDA含量。结果(1)与常温假手术组比较,常温脑缺血对照组及常温地西泮组Glu、MDA水平显著增高(均P<0.001),SOD、GSH-Px水平显著降低(均P<0.001),GABA在常温脑缺血对照组差异无统计学意义(P>0.05),在常温地西泮组则显著增高(P<0.01)。(2)与常温脑缺血对照组比较,常温地西泮组GSH-Px显著增高(P<0.001),MDA显著降低(P<0.001),而Glu、GABA、SOD差异均无统计学意义(均P>0.05)。(3)与常温地西泮组比较,轻度高温地西泮组Glu、MDA显著增高(均P<0.001),SOD、GSH-Px显著降低(均P<0.001),GABA差异无统计学意义(P>0.05);亚低温地西泮组Glu、MDA显著降低(P<0.01~0.001),GABA、S... Objective To reseach the effects of diazepam under different cerebral temperature on the concentration of glutamate(Glu), γ-aminobutyric acid (GABA), superoxide dismutase (SOD), glutathione peroxidase(GSH-PX) and malonaldehyde(MDA) in cerebral ischemia tissue of rat. Methods The modle of cerebral middle artery occlusion reperfusion of rats was established to induce the target cerebral temperatue.The concentration of Glu, GABA, SOD, GSH-PX and MDA were detected in mild hyperthermia, ordinary temperature and ...
出处 《临床神经病学杂志》 CAS 北大核心 2008年第4期290-292,共3页 Journal of Clinical Neurology
基金 广西壮族自治区自然科学基金资助(桂科自0339077)
关键词 脑缺血 脑温 地西泮 氨基酸 自由基 focal cerebral ischemia cerebral temperature diazepam amino acid oxyradical
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