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effects of some commonly used injectable preparations for liver diseases on serum cholinesterase activity in vitro
    
   
£Ûabstract£Ý  objective  to observe in vitro effects of some commonly used injectable preparations for liver diseases on serum cholinesterase activity and explore the mechanism.methods  the high and low dose of  these of injections such as yinzhihuang£¬qingkailing£¬diammonium glycyrrhizinate£¬xiangdan£¬chaihu£¬puerarin£¬chuanhuning£¬xingnaojing£¬yuxingcao and ganyanlin were incubated with serum in vitro for 10 minutes and 24 hours£¬serum cholinesterase activity was measured.results  by in vitro incubating with serum for 10 minutes and 24 hours£¬the high and low dose of ganyanlin upregulated cholinesterase activity significantly£¬and those of chaihu£¬puerarin£¬chuanhuning£¬xingnaojing and yuxingcao downregulated cholinesterase activity.only by in vitro incubating with serum for 24 hours£¬the high dose of yinzhihuang£¬qingkailing£¬diammonium glycyrrhizinate£¬xiangdan and low dose of yinzhihuang£¬qingkailing downregulated cholinesterase activity insignificantly£¬but the high dose of diammonium glycyrrhizinate and xiangdan downregulated cholinesterase activity.conclusion  in vitro ganyanlin downregulates the serum cholinesterase activity directly and significantly£¬and the effect may be related to its nerve system tocixity.in vitro chaihu£¬puerarin£¬chuanhuning£¬xingnaojing and yuxingcao upregulate the serum cholinesterase activity directly£¬and the downregulative effects of diammonium glycyrrhizinate and xiangdan on the serum cholinesterase activity are relatively slow and weak£¬but the signifiance of those drugs¡¯ effects on the serum cholinesterase activity reminds to further study.
   
£Ûkey words£Ý  chinese medicinal herbal;serum;in vitro;cholinesterase activity
   
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