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贵州中医药大学,贵阳 550025
[第一作者] 薛娟,博士,讲师,从事中药及民族药药效物质基础研究,E-mail:15846621129@163.com
*柴慧芳,博士,教授,从事中药及民族药药效物质基础研究,Tel:0851-88303060,E-mail:672863283@qq.com
纸质出版日期:2020-05-05,
网络出版日期:2019-11-29,
收稿日期:2019-07-18,
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薛娟, 魏晴, 梁珊珊, 等. 黑水缬草提取物及其活性成分对肝脏药物代谢酶活性的影响[J]. 中国实验方剂学杂志, 2020,26(9):106-112.
Juan XUE, Qing WEI, Shan-shan LIANG, et al. Effects of
薛娟, 魏晴, 梁珊珊, 等. 黑水缬草提取物及其活性成分对肝脏药物代谢酶活性的影响[J]. 中国实验方剂学杂志, 2020,26(9):106-112. DOI: 10.13422/j.cnki.syfjx.20200646.
Juan XUE, Qing WEI, Shan-shan LIANG, et al. Effects of
目的:
2
评价黑水缬草提取物及其活性成分对人肝微粒体6种细胞色素P450(CYP450)主要亚型酶活性的影响。
方法:
2
分别以香豆素、丁氨苯丙酮、甲苯磺丁脲、奥美拉唑、右美沙芬、睾酮作为CYP2A6,CYP2B6,CYP2C9,CYP2C19,CYP2D6,CYP3A4的探针底物,以其羟基化或去甲基化的专一性代谢产物7-羟基香豆素,羟基丁氨苯丙酮,4-羟基甲苯磺丁脲,5-羟基奥美拉唑,右菲烷,6
β
-羟基睾酮作为酶活性的分析指标,建立Cocktail探针底物人肝微粒体体外模型,运用该方法评价黑水缬草提取物及其活性成分对人肝微粒体酶的影响。
结果:
2
黑水缬草提取物对CYP2B6,CYP2C9,CYP2D6和CYP3A4共4种亚型酶均有不同程度的抑制作用,半抑制浓度(IC
50
)分别为87.49,1.73,68.29,2.80 mg·L
-1
;在9个木脂素成分中,左旋马尾松树脂醇-3
α
-
O
-
β
-
D
-吡喃葡萄糖苷对CYP2A6具有中等的抑制作用,IC
50
=8.51 μmol·L
-1
;8,8′-二羟基-松脂素-4,4′-二-
O
-
β
-
D
-吡喃葡萄糖苷对CYP2D6具有中等抑制作用,IC
50
=8.73 μmol·L
-1
;(+)-梣皮树脂醇-4,4′-
O
-
β
-
D
-双葡萄吡喃糖苷对CYP2B6和CYP2C9具有中等抑制作用,IC
50
分别为5.41,8.20 μmol·L
-1
。
结论:
2
黑水缬草提取物及其活性成分对肝脏CYP450酶存在抑制作用,在进行新药临床研究时,需要对联合用药可能会带来药物相互作用的风险进行充分评估。
Objective:
2
To evaluate the effects of
Valeriana amurensis
roots and rhizomes extract and its active constituents on the activities of six major cytochrome P450 (CYP450) enzymes in human liver microsomes.
Method:
2
Coumarin
bupropion
tolbutamide
omeprazole
dextromethorphan and testosterone were used as probe substrates for CYP2A6
CYP2B6
CYP2C9
CYP2C19
CYP2D6 and CYP3A4
respectively. Taking their specific metabolites of hydroxylation or demethylation (7-hydroxycoumarin
hydroxybupropion
4-hydroxytolbutamide
5-hydroxyomeprazole
dextromethorphan
6
β
-hydroxytestosterone) as indicators of enzyme activities. The analytical indexes were used to establish an
in vitro
model of human liver microsomes of Cocktail probe substrates. This method was applied to evaluate the effects of
V
.
amurensis
roots and rhizomes extract and its active constituents on human liver microsomal enzymes.
Result:
2
The
V
.
amurensis
roots and rhizomes extract had different inhibitory effects on CYP2B6
CYP2C9
CYP2D6 and CYP3A4
their half-inhibitory concentration (IC
50
) values were 87.49
1.73
68.29
2.80 mg·L
-1
respectively. Among the 9 lignans
(-)-massoniresinol-3
α
-
O
-
β
-
D
-glucopyranoside had a moderate inhibitory effect on CYP2A6 with an IC
50
value of 8.51 μmol·L
-1
8
8′-dihydroxypinoresinol-4
4′-di-
O
-
β
-
D
-glucopyranoside had a moderate inhibitory effect on CYP2D6 with an IC
50
value of 8.73 μmol·L
-1
(+)-medioresinol-4
4′-
O
-di-
β
-
D
-glucopyranoside had a moderate inhibitory effect on CYP2B6 and CYP2C9 with IC
50
values of 5.41 μmol·L
-1
and 8.20 μmol·L
-1
.
Conclusion:
2
The
V
.
amurensis
roots and rhizomes extract and its active constituents have inhibitory effects on liver CYP450 enzymes. Therefore
in the clinical study of new drugs
it is necessary to fully evaluate the risk of drug interactions caused by combination therapy.
黑水缬草醇提物木脂素类Cocktail探针药物法药物相互作用细胞色素P450半抑制浓度
Valeriana amurensis roots and rhizomesethanol extractlignansCocktail probe drug methoddrug interactionscytochrome P450half-inhibitory concentration
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