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雌二醇对脑缺血大鼠海马血管内皮生长因子表达的影响

Influence of estradiol on expression of vascular endothelial growth factor in hippocampus of rats after cerebral ischemia/reperfusion
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摘要 目的:探讨雌二醇对脑梗死/再灌注损伤大鼠海马区血管内皮生长因子(vascular endothelial growth factor,VEGF)表达的影响。方法:雌性成年大鼠,双侧卵巢切除后随机分为3组。雌二醇治疗组给予苯甲酸雌二醇2 mg·kg^(-1)·d^(-1)腹腔注射,连续7 d;模型组、假手术组腹腔注射等量麻油。模型组和雌二醇治疗组分别建立大脑中动脉梗死(MACO)模型,缺血2 h后再灌注48 h。Western印迹技术和RT—PCR技术分别检测VEGF蛋白及基因表达。结果:大脑梗死/再灌注损伤后VEGF蛋白、基因表达均增加,雌二醇治疗组VEGF表达高于模型组(P<0.05)。结论:雌二醇增加脑梗死/再灌注损伤大鼠海马VEGF的表达。
出处 《第二军医大学学报》 CAS CSCD 北大核心 2008年第4期450-452,共3页 Academic Journal of Second Military Medical University
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