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银杏叶提取物对大鼠肝微粒体细胞色素P4502D6活性的影响

THE EFFECT OF GINKGO BILOBA EXTRACT ON CYP2D6 ACTIVITY IN TAR LIVER
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摘要 目的:观察银杏叶提取物(GBE)对大鼠肝细胞色素P450酶系统中CYP2D6活性的影响。方法:HPLC法测定大鼠尿液和肝微粒体中探针药物右美沙芬的含量。对照组和实验组大鼠分别经口给予生理盐水和银杏叶提取物两周,差速离心分离肝微粒体,HPLC法测定大鼠尿液和肝微粒体中CYP2D6探针药物的代谢率。观察银杏叶提取物对CYP2D6活性的影响。结果:实验组大鼠给予银杏叶提取物(100mg/kg),其尿样中右美沙芬的代谢率与对照组相比没有明显差别(P>0.05);实验组大鼠肝微粒体中加入右美沙芬(0.324mmol/L),其右美沙芬的代谢率与对照组相比没有明显差别(P>0.05);银杏叶提取物没有明显降低右美沙芬的代谢率(P>0.05)。结论:银杏叶提取物对CYP2D6酶无明显影响。 Objective:Aim To investigate the influence of on CYP2D6 in rat liver microsome.Methods:Rats were given Ginkgo biloba extract by intragastric administration for two weeks followed by high-performance liquid chromatography(HPLC)to measure metabolism of CYP2D6 in rat liver microsomal reconstituted system.Results:The metabolic rate of Dextromethorphan showed no difference between treated group and control group.Conclusion:Traditional Chinese Ginkgo biloba extract has no effect on CYP2D6.
机构地区 牡丹江医学院
出处 《牡丹江医学院学报》 2010年第1期3-5,共3页 Journal of Mudanjiang Medical University
基金 黑龙江省自然基金科研项目D2007104 黑龙江省卫生厅科研项目2006393
关键词 银杏叶提取物 肝微粒体 CYP2D6 Ginkgo biloba extract Liver microsome CYP2D6
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