Discovery of evodiamine derivatives as potent insecticide candidates
作者:Jingbo Liu、Yabing Shi、Shuting Chen、Fengyun Li、Wen Wen、Yuanhong Wang
DOI:10.1016/j.bmc.2022.116727
日期:2022.5
search for novel more effective insecticides, natural products could be used as ideal template compounds due to their good environmental compatibility, various bioactivities, unique scaffolds and mode of action. We have found that natural product evodiamine, the main active component from the fruits of Evodia rutaecarpa (Juss.) Benth, displayed obvious insecticidal activities against lepidoptera pests
New Tricks for an Old Natural Product: Discovery of Highly Potent Evodiamine Derivatives as Novel Antitumor Agents by Systemic Structure–Activity Relationship Analysis and Biological Evaluations
Evodiamine is a quinazolinocarboline alkaloid isolated from the fruits of traditional Chinese herb Evodiae fructus. Previously, we identified N13-substituted evodiamine derivatives as potent topoisomerase I inhibitors by structure-based virtual screening and lead optimization. Herein, a library of novel evodiamine derivatives bearing various substitutions or modified scaffold were synthesized. Among them, a number of evodiamine derivatives showed substantial increase of the antitumor activity, with GI(50) values lower than 3 nM. Moreover, these highly potent compounds can effectively induce the apoptosis of A549 cells. Interestingly, further computational target prediction calculations in combination with biological assays confirmed that the evodiamine derivatives acted by dual inhibition of topoisomerases I and II. Moreover, several hydroxyl derivatives, such as 10-hydroxyl evodiamine (10j) and 3-amino-10-hydroxyl evodiamine (18g), also showed good in vivo antitumor efficacy and low toxicity at the dose of 1 mg/kg or 2 mg/kg. They represent promising candidates for the development of novel antitumor agents.
Discovery of Evodiamine Derivatives as Highly Selective PDE5 Inhibitors Targeting a Unique Allosteric Pocket
作者:Tianhua Zhang、Zengwei Lai、Suying Yuan、Yi-You Huang、Guoqiang Dong、Chunquan Sheng、Hengming Ke、Hai-Bin Luo
DOI:10.1021/acs.jmedchem.0c00983
日期:2020.9.10
Clinical use of phosphodiesterase-5 (PDE5) inhibitors is limited by several side effects due to weak isoformselectivity. Herein, a unique allosteric pocket of PDE5 is identified by molecular modeling and structural biology, which enables the discovery of highly selective PDE5 inhibitors from natural product evodiamine (EVO). The crystal structure of PDE5 with bound EVO derivative (S)-7e revealed that