Analysis on the formation principle and present situation of nano phase state of multi-component self-assembly of traditional Chinese compound medicine decoction

Traditional Chinese medicine decoction is a complex polydispersed phase system containing real solution,colloid solution,emulsion and suspension.The compound decoction of traditional Chinese medicine has complex components,including saponins,alkaloids,polysaccharides,flavonoids,amino acids and so on,which can be self-assembled to form gels,fibers,micelles,vesicles and so on.The self-assembled nano-phase not only neutralizes the single drug and reduces the toxicity and side effects,but also has its own pharmacological effects,which complement each other to achieve synergistic effect,so as to achieve the role of drug supplement,which is of research significance.The formation principle,solubilization and synergism principle and characterization method of multi-component self-assembly of traditional Chinese medicine compound decoction are discussed in this paper.

A SERIES OF STRATEGIES FOR SOLVING THE SHORTAGE OF REFERENCE STANDARDS FOR MULTI-COMPONENTS DETERMINATION OF TRADITIONAL CHINESE MEDICINE

The shortage of reference standards has become the bottleneck of quality control of TCMs.In this study,a series of strategies,including one single reference standard to determine multi-compounds(SSDMC),quantitative analysis by standardized reference extract(QASRE),and quantitative nuclear magnetic resonance

Overview of the quality standard research of traditional Chinese medicine

Traditional Chinese medicine(TCM)has been widely used for the prevention and treatment of various diseases for a long time in China.Due to its proven efficacy,wide applications,and low side effect,TCM has increasingly attracted worldwide attention.However,one of the biggest challenges facing the clinical practice of TCM is the uncontrollable quality.In this review,the progress of the development and the current status of quality standard as well as new quality control techniques introduced in Chinese Pharmacopoeia(2010 edition),such as liquid chromatography hyphenated mass spectrometry(LC-MS),fingerprint,quantitative analysis of multi-components by single-marker(QAMS),thin layer chromatography bio-autographic assay(TLC-BAA),and DNA molecular marker technique,are briefly overviewed.

中药标准组分的高效液相色谱/质谱联用(HPLC/MS)表征

高效液相色谱/质谱联用表征是化学袁征的重要内容,本文通过高效液相色谱/质谱联用方法系统表征中药标准组分,采用了电喷雾电离源(ESI)、大气压化学电离源(APCI)的正负离子扫描模式,获取标准组分在统一分析条件下,不同表征模式中化合物的光谱、质谱信息。通过对不同标准组分中大量表征数据的比对和分析可发现和归纳色谱、质谱规律,用于不同药材的成分差异性研究,以及由系统制备得到的同种药材不同层次标准组分中成分与含量的变化,为制备成分的确定和高效制备条件及参数的优化提供基础。建立包含分析方法的标准组分色谱质谱数据库,结合色谱、质谱规律,实现已知化合物的搜索匹配与自动质谱解析；预测和发现结构类似的未知化合物,提高研究效率,加强中药物质基础研究的系统性和深入性。

双黄连抗结肠癌活性组分中药的发现和验证

目的:应用网络药理学方法,从双黄连方剂中预测具有抗肿瘤活性的组分中药,并通过离体细胞实验与动物实验对其抗CT26结肠癌活性进行初步验证。方法:基于中药系统药理学数据库(Traditional Chinese Medicine Systems Pharmacology Database,TCMSP),《中药活性成分分析手册》,药品生物信息学和化学信息学数据库(DrugBank),信号通路数据库(Reactome)及人类蛋白质参考数据库(Human protein reference database,HPRD),构建蛋白-蛋白相互作用网络(proteinprotein interactions network,PPI)和化合物靶标网络,挖掘化合物的药理作用,发现与PPI网络节点距离较短的化合物,确定组成中药的配伍。以CT26结肠癌细胞为实验材料,结合离体和在体实验初步验证组分中药的抗肿瘤作用。结果:从双黄连组分中预测并发现"黄芩苷、连翘酯苷A和绿原酸"3个化合物配伍具有潜在抗肿瘤活性。验证结果表明,细胞实验中,与空白组比较,双黄连组分中药能显著抑制CT26细胞的增殖和迁移(P<0.01);动物实验中,与荷瘤模型组比较,双黄连组分中药治疗组小鼠皮下肿瘤体积增长缓慢、肿瘤重量显著降低(P<0.01)。结论:结合数据库挖掘和化合物靶点网络构建、分析等方法从双黄连方剂中发现具有抗肿瘤活性的组分中药"黄芩苷、连翘酯苷A和绿原酸"。经验证,该组分中药具有较好的抗CT26结肠癌活性。