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抗痫方对癫痫模型大鼠海马神经元γ-氨基丁酸A受体α1表达的影响

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摘要 目的:观察抗痫方对戊四氮致痫大鼠海马神经元γ-氨基丁酸A受体α1(GABAARα1)表达的影响。方法:120只健康成年雄性Wistar大鼠随机分为对照组、模型组、抗痫方大剂量组、小剂量组和丙戊酸钠组,每组24只。对照组和模型组分别给予生理盐水每日4 ml/kg灌胃;抗痫方各组分别给予大、小剂量(10.26 g/kg、5.13 g/kg)灌胃,西药组给予丙戊酸钠每日20 mg/kg灌胃,每日1次,连续7 d。造模第1天,除对照组外,其余各组大鼠均腹腔注射戊四氮(PTZ)75 mg/kg,复制急性癫痫模型;于致痫后12 h、2 d、5 d、7 d相应时间点取材,制备脑标本,免疫组化检测大鼠海马GABAARα1表达。结果:与对照组比较,模型组GABAARα1免疫反应阳性表达减少(P<0.05);与模型组比较,抗痫方大、小剂量组GABAARα1阳性表达增加(P<0.05)。结论:抗痫方可提高GABAARα1表达,降低神经元兴奋性,有脑保护作用。
出处 《山东中医杂志》 2011年第9期652-654,共3页 Shandong Journal of Traditional Chinese Medicine
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