流动注射-串联质谱法快速筛选植物提取物对药物代谢酶的抑制潜性

基于流动注射-串联质谱(FI-MS/MS)技术,综合运用微孔板低温孵育、低温样品相分离、"六合一"进样和多探针同时定量分析,建立了体外快速筛选复杂中草药组分抑制细胞色素P450同工酶活性的新方法.FI-MS/MS新技术不依赖色谱分离,也无需复杂的仪器设备和样品前处理,分析通量大幅提高.采用基质匹配标样和内标法定量,方法的准确度、精密度、灵敏度和线性范围均满足孵育体系中代谢物分析的需要.优化条件下测得各酶动力学参数和对照抑制剂的半抑制率(IC50)均与参考值一致;仅用两抑制剂浓度点即可获得满意的IC50近似值,两点IC50的测试重现性良好.结合两点IC50程序,FI-MS/M...

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Published inFēnxī huàxué Vol. 38; no. 12; pp. 1692 - 1697
Main Author 郭宾 段俊敏 王美玲 王晓莹 陈波 Jun-Min Mei-Ling Xiao-Ying
Format Journal Article
LanguageChinese
Published 湖南师范大学化学化工学院制药工程系,化学生物学及中药分析教育部重点实验室,长沙,410081 2010
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ISSN0253-3820
DOI10.3724/SP.J.1096.2010.01692

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Abstract 基于流动注射-串联质谱(FI-MS/MS)技术,综合运用微孔板低温孵育、低温样品相分离、"六合一"进样和多探针同时定量分析,建立了体外快速筛选复杂中草药组分抑制细胞色素P450同工酶活性的新方法.FI-MS/MS新技术不依赖色谱分离,也无需复杂的仪器设备和样品前处理,分析通量大幅提高.采用基质匹配标样和内标法定量,方法的准确度、精密度、灵敏度和线性范围均满足孵育体系中代谢物分析的需要.优化条件下测得各酶动力学参数和对照抑制剂的半抑制率(IC50)均与参考值一致;仅用两抑制剂浓度点即可获得满意的IC50近似值,两点IC50的测试重现性良好.结合两点IC50程序,FI-MS/MS方法成功应用于中药粗提液对人体主要P450酶抑制效应的快速筛选与分类,为多组分体系复杂药代相互作用的研究和评估提供了一种有效手段.
AbstractList O6; 基于流动注射-串联质谱(FI-MS/MS)技术,综合运用微孔板低温孵育、低温样品相分离、"六合一"进样和多探针同时定量分析,建立了体外快速筛选复杂中草药组分抑制细胞色素P450同工酶活性的新方法.FI-MS/MS新技术不依赖色谱分离,也无需复杂的仪器设备和样品前处理,分析通量大幅提高.采用基质匹配标样和内标法定量,方法的准确度、精密度、灵敏度和线性范围均满足孵育体系中代谢物分析的需要.优化条件下测得各酶动力学参数和对照抑制剂的半抑制率(IC50)均与参考值一致;仅用两抑制剂浓度点即可获得满意的IC50近似值,两点IC50的测试重现性良好.结合两点IC50程序,FI-MS/MS方法成功应用于中药粗提液对人体主要P450酶抑制效应的快速筛选与分类,为多组分体系复杂药代相互作用的研究和评估提供了一种有效手段.
基于流动注射-串联质谱(FI-MS/MS)技术,综合运用微孔板低温孵育、低温样品相分离、"六合一"进样和多探针同时定量分析,建立了体外快速筛选复杂中草药组分抑制细胞色素P450同工酶活性的新方法.FI-MS/MS新技术不依赖色谱分离,也无需复杂的仪器设备和样品前处理,分析通量大幅提高.采用基质匹配标样和内标法定量,方法的准确度、精密度、灵敏度和线性范围均满足孵育体系中代谢物分析的需要.优化条件下测得各酶动力学参数和对照抑制剂的半抑制率(IC50)均与参考值一致;仅用两抑制剂浓度点即可获得满意的IC50近似值,两点IC50的测试重现性良好.结合两点IC50程序,FI-MS/MS方法成功应用于中药粗提液对人体主要P450酶抑制效应的快速筛选与分类,为多组分体系复杂药代相互作用的研究和评估提供了一种有效手段.
Author 郭宾 段俊敏 王美玲 王晓莹 陈波 Jun-Min Mei-Ling Xiao-Ying
AuthorAffiliation 湖南师范大学化学化工学院制药工程系,化学生物学及中药分析教育部重点实验室,长沙,410081
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Author_FL WANG Mei-Ling
CHEN Bo
DUAN Jun-Min
WANG Xiao-Ying
GUO Bin
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Issue 12
Keywords 质谱
筛选
抑制
中药
流动注射
细胞色素氧化酶
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PublicationTitleAlternate Chinese Journal of Analytical Chemistry
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PublicationYear 2010
Publisher 湖南师范大学化学化工学院制药工程系,化学生物学及中药分析教育部重点实验室,长沙,410081
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Snippet 基于流动注射-串联质谱(FI-MS/MS)技术,综合运用微孔板低温孵育、低温样品相分离、"六合一"进样和多探针同时定量分析,建立了体外快速筛选复杂中草药组分抑制细胞色素P450同工...
O6; 基于流动注射-串联质谱(FI-MS/MS)技术,综合运用微孔板低温孵育、低温样品相分离、"六合一"进样和多探针同时定量分析,建立了体外快速筛选复杂中草药组分抑制细胞色素P450...
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Publisher
StartPage 1692
SubjectTerms Based
Human
IC50
Major
Mass
P450s
P450同工酶
Spectrometry
串联质谱法
内标法定量
同时定量分析
多组分体系
快速筛选
抑制剂
方法
样品前处理
植物提取物
流动注射
综合运用
药物代谢酶
酶动力学参数
Title 流动注射-串联质谱法快速筛选植物提取物对药物代谢酶的抑制潜性
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