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Application of Thin Layer Chromatography in Preparation of Drug Containing Serum of Eucalyptus Oil
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作者 Bingyang GUO Yongli YU +2 位作者 Shijuan LUO Xiaoqing YIN Mingzhen XU 《Medicinal Plant》 CAS 2018年第1期19-24,共6页
[Objectives] To explore whether the thin layer chromatography( TLC) can be used to guide the preparation of drug containing serum of eucalyptus oil. [Methods]Eucalyptus oil samples with different dilution ratio were d... [Objectives] To explore whether the thin layer chromatography( TLC) can be used to guide the preparation of drug containing serum of eucalyptus oil. [Methods]Eucalyptus oil samples with different dilution ratio were detected by TLC. Eucalyptus oil was intragastrically administered to mice,serum samples of different eucalyptus oil doses,different intragastric administration methods and different blood sampling times were collected. The above samples were detected by TLC,and the above results were verified by gas chromatography. [Results] TLC can detect concentration difference of eucalyptus oil samples with different dilution ratio. TLC can provide qualitative and semi-quantitative detection of eucalyptus oil in serum. High,medium and low dose of eucalyptus oil in serum had different effects on the growth of MCF-7 cells in the SD rats( P < 0. 05). [Conclusions] TLC can be used to guide the preparation of drug containing serum of eucalyptus oil. 展开更多
关键词 Chinese medicine drug containing serum Eucalyptus oil Thin layer chromatography
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Protective Effect of Buyang Huanwu Decoction on Cerebral Ischemia/Reperfusion Injury by Inhibiting Autophagy Based on AMPK/UIK1Signaling Pathway
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作者 Ruijuan Zhang Yanmeng Zhao +5 位作者 Xiujuan Ma Jiabei Ye Yudong Shan Wentao Yu Xiaohong Zhou Weijuan Gao 《Journal of Integrative Medicine(双语)》 2022年第2期9-28,共20页
The aim of the paper is to explore whether AMPK/U1K1 signaling pathway is involved in regulating autophagy and alleviating cerebral ischemia/reperfusion(I/R)injury.On this basis,study the regulatory effect of Buyang H... The aim of the paper is to explore whether AMPK/U1K1 signaling pathway is involved in regulating autophagy and alleviating cerebral ischemia/reperfusion(I/R)injury.On this basis,study the regulatory effect of Buyang Huanwu Decoction(BHD)on AMPK/U1K1 signaling pathway,aiming to clarify the molecular mechanism of BHD in alleviating cerebral I/R injury and the protective effect of BHD containing serum(BHDS)on OGD/R neurons.The research group adopted the following methods:Neurons cultured for 7 days in vitro were randomly divided into normal control group,model group(OGD/R),AMPK activator(AICAR)group(3 mmol/L),Buyang Huanwu Decoction medicated serum(BHDS)group(3%),Buyang Huanwu Decoction medicated serum+AMPK activator(BHDS+AICAR)group.The protein expressions of p-AMPK,AMPK,p-UlKl,U1K1,Beclin-1 and LC3B in neurons were detected by Western blot,the fluorescence intensity and apoptosis rate of neuron autophagosome CYTO-ID staining were detected by flow cytometry,the fluorescence intensity and morphological changes of neuron LC3B were detected by immunofluorescence double labeling method,the morphological changes of neurons were observed by inverted microscope,and the survival rate of neurons was detected by CCK-8 method.Neuron OGD/R model and the optimal concentration of BHDS.The neurons in the model group were subjected to hypoxia and glucose deprivation for 1 h,2 h,3 h,4 h and reoxygenation and glucose deprivation for 24 h.The survival rate of neurons and the release rate of 1DH to determine whether the model was successfully established.And the results show that BHDS group,the survival rate of OGD/R neurons was significantly increased,and the apoptosis rate was significantly decreased.Among them,3%BHDS intervention at the same time of hypoxia glucose deprivation for 3 h and reoxygenation glucose for 24 h was the best condition.In BHDS group,the levels of p-AMPK/AMPK,p-UlKl/UlKl,beclin-1,CYTO-ID and LC3B fluorescence intensity,and the transformation from LC3B-I to LC3B-II of OGD/R neurons were significantly decreased.So we can draw a conclusion that BHD can inhibit autophagy and alleviate cerebral I/R injury through AMPK/U1K1 signaling pathway. 展开更多
关键词 BHDS drug containing serum Traditional Chinese medicine Signal pathway Cell damage
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UPLC/Q-TOF-MS analysis of iridoid glycosides and metabolites in rat plasma after oral administration of Paederia scandens extracts 被引量:4
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作者 WANG Dong-Mei XU Yi-Fei +2 位作者 CHEN Zhu HUANG Lin-Fang CHEN Shi-Lin 《Chinese Journal of Natural Medicines》 SCIE CAS CSCD 2015年第3期215-221,共7页
A rapid and validated UPLC-MS method was developed for investigating the absorbed components of Paederia scandens(Lour.) Merrill(P.scandens) in rat plasma.The bioactive constituents in plasma samples from rats adminis... A rapid and validated UPLC-MS method was developed for investigating the absorbed components of Paederia scandens(Lour.) Merrill(P.scandens) in rat plasma.The bioactive constituents in plasma samples from rats administrated orally with P.scandens extract were analyzed by Ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry(UPLC-Q-TOF-MS).Four prototype compounds were identified in rat serum as potential bioactive components of P.scandens by comparing their retention times and mass spectrometry data or by mass spectrometry analysis and retrieving the reference literatures.Glucuronidation after deglycosylation was the major metabolic pathway for the iridoid glycosides in P.scandens.These results showed that the methods had high sensitivity and resolution and were suitable for identifying the bioactive constituents in plasma after oral administration of P.scandens.providing helpful chemical information for further pharmacological and mechanistic researched on the P.scandens. 展开更多
关键词 Paederia scandens serum containing drug Iridoid glycosides UPLC/Q-TOF-MS Absorbed components
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