Concise Synthesis and Identification of Cytotoxic Diphyllin Glycosides as Novel Vacuolar H+-ATPase I

来源 :第八届全国化学生物学学术会议 | 被引量 : 0次 | 上传用户:cxxcxj
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A concise syntheses of three diphyllin glycosides Cleistanthin A (CA), Cleistanthoside A and Cleistanthoside A tetraacetate (CT) have been achieved.MTT assay disclosed that CA and CT were cytotoxic to these cancer cells at nanomicromolar concentrations.
其他文献
Stable Protein One (SP1) is a boiling-stable oligomeric protein.The unique characteristic of SP1 offers us a scaffold to design artificial enzymes against extreme temperature.Here, we reported the suc
Reactive oxygen species (ROS) are products of cell metabolism.They are normally maintained within narrow boundaries by glutathione peroxidase (GPx) to prevent their oxidative damage in healthy tissues
The monitoring toxic metal ions in aquatic ecosystems cause great interest, as these contaminants adversely affect the environment and human health.1 Of particular interest is the quantitative analysi
The affinities of carotenoids to serum albumin would directly influence the concentrations of carotenoids in the blood and in the binding sites and the duration of the effectual carotenoids, which wil
Platinum diam(m)ine anticancer complexes, such as cisplatin, are successful in clinic,but suffer from problems of resistance and side-effects.Photoactivatable PtⅣ prodrugs offer the potential of targe
Measuring the internal pH of living organisms below pH 5 is challenging.Whereas this extreme acidity will render fluorescent protein-based pH sensors denatured, the utilization of pH-sensitive fluores
蛋白激酶在生物体中扮演重要的开关作用,是仅次于G蛋白偶联受体第二重要的药物靶标.由于激酶是一个庞大的家族,因此对于靶向激酶的药物来说,适当的选择性控制至关重要.我们试图将MB-QSAR方法应用在三个Ⅰ类激酶抑制剂体系(dasatinib,erlotinib,sunitinib)中.以含有相应小分子的复合物晶体结构为模板,我们通过同源模建在三个体系中获得接近80个蛋白激酶结构.
原卟啉原氧化酶(protoporphyrinogen oxidase,Protox/PPO,EC 1.3.3.4)是血红素和叶绿素相同生物合成通路上最后一个共有酶,它催化原卟啉原Ⅸ氧化为原卟啉Ⅸ.由于血红素和叶绿素在生物体的能量代谢和防御机制中发挥关键作用,因此PPO在生物体中也有不可或缺的重要性.在农学上,一类超高效除草剂通过抑制PPO杀死杂草;在医学上,人类的PPO突变导致其功能丧失,产生一类
A new mononuclear Zn(Ⅱ) complex based receptor for PPi sensing was fabricated using 2-aminobenzamide as scaffold appended with N,N-bis(2-pyridylmethyl) ethylenediamine (BPEA) and amide as chelator and
Bisphenol A (BPA) was reported to show potential harmful effects on wildlife and humans through altering endocrine function.In this work, molecular imprinted polymer films prepared by using β-cyclodex