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1.西南交通大学 生命科学与工程学院,成都 610031
2.中国中医科学院 中药研究所,北京 100700
3.北京中医药大学 第三附属医院,北京 100029
4.首都师范大学,北京 100048
李永彪,硕士,从事中药药理学研究,E-mail:2942428904@qq.com
闫智勇,教授,硕士生导师,从事中药药理学研究,Tel:028-66367214,E-mail:yzhiy@swjtu.edu.cn;
刘安,研究员,博士生导师,从事中药质量控制及新药开发研究,Tel:010-64014411-2938,E-mail:aliu@icmm.ac.cn
收稿日期:2019-12-19,
网络出版日期:2020-04-14,
纸质出版日期:2020-10-05
移动端阅览
李永彪,吴兰兰,樊玉青等.蜘蛛香环烯醚萜部位干预CUMS致抑郁小鼠脑组织的1H-NMR代谢组学分析[J].中国实验方剂学杂志,2020,26(19):195-203.
LI Yong-biao,WU Lan-lan,FAN Yu-qing,et al.1H-NMR Metabolomic Analysis of Brain Tissue of CUMS-Induced Depressed Mice Intervened by Iridoid Part of Valerianae Jatamansi Rhizoma et Radix[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(19):195-203.
李永彪,吴兰兰,樊玉青等.蜘蛛香环烯醚萜部位干预CUMS致抑郁小鼠脑组织的1H-NMR代谢组学分析[J].中国实验方剂学杂志,2020,26(19):195-203. DOI: 10.13422/j.cnki.syfjx.20201249.
LI Yong-biao,WU Lan-lan,FAN Yu-qing,et al.1H-NMR Metabolomic Analysis of Brain Tissue of CUMS-Induced Depressed Mice Intervened by Iridoid Part of Valerianae Jatamansi Rhizoma et Radix[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(19):195-203. DOI: 10.13422/j.cnki.syfjx.20201249.
目的
2
利用代谢组学技术分析慢性温和不可预知应激(CUMS)抑郁模型小鼠脑组织样本,寻找与抑郁相关的差异代谢物,探讨蜘蛛香环烯醚萜部位(IEFV)可能的抗抑郁作用机制。
方法
2
42只昆明小鼠随机分为6组,包括正常组,模型组,氟西汀组(2.5 mg·kg
-1
),IEFV低、中、高剂量组(给药剂量分别为5.73,11.47,22.94 mg·kg
-1
)。采用CUMS对小鼠造模,以IEFV及阳性药(氟西汀)为干预药物,用行为指标和生化指标进行药效学评价。采用核磁共振氢谱(
1
H-NMR)代谢组学技术分析IEFV对CUMS抑郁模型小鼠脑组织中内源性物质的影响,结合多变量统计分析方法来确认差异代谢物,并对差异代谢物参与的代谢通路进行富集。
结果
2
造模后,小鼠的不动时间大幅度提高、蔗糖偏好率明显下降,兴奋性神经递质5-羟色胺和去甲肾上腺素显著下降,表明造模成功。给予IEFV和氟西汀后,小鼠不动时间、蔗糖偏好率和兴奋性神经递质向正常水平回调,提示给药后抑郁状态得到了一定程度的缓解。脑组织中内源性代谢物主成分分析(PCA)结果显示,模型组可与正常组明显分开,同时IEFV低、中、高剂量组和氟西汀组均显示有偏离模型组向正常组靠拢的趋势,与行为学结果一致。模型组与正常组进行正交偏最小二乘法-判别分析(OPLS-DA)得到了16个变化显著的差异代谢物,包括12个水溶性差异代谢物和4个脂溶性差异代谢物。通过MetPA数据库分析得到7条潜在靶标代谢通路,包括三羧酸循环(TCA),牛磺酸和亚牛磺酸的代谢,丙氨酸、天冬氨酸和谷氨酸代谢等。IEFV高剂量组可显著回调11种差异代谢物。
结论
2
IEFV可能主要通过影响能量代谢,氨基酸代谢和神经递质水平发挥抗抑郁作用,可为IEFV抗抑郁作用机制的深入研究提供参考依据。
Objective
2
Metabolomics was used to analyze the brain tissue samples of model mice with chronic unpredictable mild stress (CUMS) depression
in order to find out the differential metabolites related to depression and to explore the possible antidepressant mechanism of iridoid part of Valerianae Jatamansi Rhizoma et Radix (IEFV).
Method
2
Forty-two Kunming mice were randomly divided into 6 groups
including the normal group
the model group
the fluoxetine group (2.5 mg·kg
-1
) and the IEFV low
medium
and high dose groups (doses were 5.73
11.47
22.94 mg·kg
-1
respectively). The behavioral and biochemical indicators of CUMS model mice were used for pharmacodynamic evaluation with IEFV and a positive drug (fluoxetine) as the intervention drugs. Then
the effect of IEFV on endogenous substances of the brain tissue in CUMS model mice were analyzed by nuclear magnetic resonance hydrogen spectrum (
1
H-NMR) metabolomics
and multivariate statistical analysis was used to identify the differential metabolites and to enrich the metabolic pathways involved in the differential metabolites.
Result
2
After modeling
the immobility time of the model mice increased significantly
their sucrose preference rate and the excitatory neurotransmitters [5-hydroxytryptamine (5-HT) and norepinephrine (NE)] decreased significantly
indicating the success of modeling. The depression was relieved after IEFV administration
mainly manifested by the recovery of the immobility time
sucrose preference rate and the excitatory neurotransmitters (5-HT and NE). Principal component analysis (PCA) of endogenous metabolites in brain tissue showed that the model group could be significantly separated from the normal group
while the IEFV groups and fluoxetine group all showed a trend of deviating from the model group to the normal group
which was consistent with the behavioral results. The results of orthogonal partial least squares discriminant analysis (OPLS-DA) showed that there were 16 different metabolites between the model group and the normal group
including 12 water-soluble metabolites and 4 liposoluble metabolites. Seven potential metabolism pathways were obtained through MetPA analysis
including metabolism of phenylalanine
metabolism of phenylalanine
tyrosine and tryptophan
metabolism of taurine and hypotaurine acid
metabolism of alanine
aspartic acid and glutamic acid
biosynthesis of valine
leucine and isoleucine
metabolism of
D
-glutamine and
D
-glutamate and tricarboxylic acid cycle (TCA). IEFV-high dose group could significantly recall 11 differential metabolites.
Conclusion
2
IEFV may play an antidepressant role mainly by affecting energy metabolism
amino acid metabolism and neurotransmitter levels
which provides a reference for further study on the antidepressant mechanism of IEFV.
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