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因宁片减轻T_3诱导BRL肝细胞损害的体外实验研究 被引量:2

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摘要 目的:观察因宁片对T3诱导的BRL肝细胞的增殖、肝功能和氧化应激的影响,为进一步阐明药物作用机制提供实验依据。方法:25只雌性SD大鼠,随机分为5组:空白血清对照组,因宁片低、中、高剂量组及甲亢灵组。大鼠灌服相应剂量的药物后,腹腔静脉采血,分离含药血清。建立肝细胞T3损害模型,在不同浓度因宁片药物血清作用下,应用MTT法测定药物作用后细胞存活率的变化,全自动生化分析仪测定培养上清液中AST、ALT的含量,分光光度法测定细胞内MDA、SOD。结果:随着因宁片血药浓度升高,T3损害后的BRL肝细胞存活率逐渐增加;因宁片能显著减少模型细胞ALT、AST的释放;模型组BRL的细胞混悬液中的MDA含量显著升高,SOD活性显著降低,因宁片能明显降低MDA含量,提高SOD活性。结论:因宁片的药物血清对T3诱导BRL肝细胞损害有保护作用,提高BRL肝细胞存活率,降低细胞培养上清液中转氨酶含量,减轻肝细胞氧化应激损害。
出处 《中药材》 CAS CSCD 北大核心 2012年第1期119-122,共4页 Journal of Chinese Medicinal Materials
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