Dihydroactinidiolide, a natural product against Aβ25-35 induced toxicity in Neuro2a cells: Synthesis, in silico and in vitro studies
作者:Mamali Das、Sengodu Prakash、Chirasmita Nayak、Nandhini Thangavel、Sanjeev Kumar Singh、Paramasivam Manisankar、Kasi Pandima Devi
DOI:10.1016/j.bioorg.2018.08.037
日期:2018.12
natural source. Several diseases like Alzheimer's disease (AD) demand exploring multi targeted drug candidates, and for the first time we report the multi AD target inhibitory potential of synthesized dihydroactinidiolide (DA). Though the activity of DA in several solvent extracts have been proved to possess free radical scavenging, anti bacterial and anti cancer activities, its neuroprotective efficacy has
天然产物的合成通过最大程度地减少从天然来源纯化的时间而加快了药物开发过程。像阿尔茨海默氏病(AD)在内的几种疾病都需要探索多种靶向药物候选物,并且我们首次报道了合成的二氢肌醇(DA)的多种AD靶标抑制潜能。尽管已经证明DA在几种溶剂提取物中的活性具有自由基清除,抗细菌和抗癌活性,但尚未证明其神经保护功效。因此,采用简便的两步氧化法成功地由β-紫罗兰酮合成了DA。它显示出有效的乙酰胆碱酯酶(AChE)抑制作用,最大抑制浓度为一半(IC 50)34.03 nM,这进一步得到分子对接结果的支持,显示出与某些活性位点残基如AChE的GLY117,GLY119和SER200的强H键合。此外,它还显示出DPPH和(.NO)清除活性,IC 50值为50 nM,金属螯合活性为IC 50 > 270 nM。此外,它在270 nM时可显着阻止淀粉样蛋白β25-35的自聚集并促进其解聚。它在50和270 nM的作用下长达24