Fragment-Based Structural Optimization of a Natural Product Itampolin A as a p38α Inhibitor for Lung Cancer
作者:Jing-wei Liang、Ming-yang Wang、Shan Wang、Xin-yang Li、Fan-hao Meng
DOI:10.3390/md17010053
日期:——
Marine animals and plants provide abundant secondary metabolites with antitumor activity. Itampolin A is a brominated natural tyrosine secondary metabolite that is isolated from the sponge Iotrochota purpurea. Recently, we have achieved the first total synthesis of this brominated tyrosine secondary metabolite, which was found to be a potent p38α inhibitor exhibiting anticancer effects. A fragment-based
海洋动植物提供具有抗肿瘤活性的丰富的次生代谢产物。Itampolin A是一种溴化的天然酪氨酸次级代谢产物,它是从海绵紫罗兰(Iotrochota purpurea)分离得到的。最近,我们已经完成了该溴化酪氨酸次级代谢产物的第一个全合成反应,发现这是一种有效的p38α抑制剂,具有抗癌作用。进行了基于片段的药物设计(FBDD),以优化ItampolinA。合成了45种溴化酪氨酸衍生物,具有有趣的生物学活性。然后,进行了QSAR研究,以探讨负责溴化酪氨酸骨架p38α抑制剂活性的结构决定因素。铅化合物通过FBDD方法进行了优化,然后合成了三个系列的溴化酪氨酸衍生物,并评估了它们对p38α和肿瘤细胞的抑制活性。化合物6o(IC50 = 0.66μM)对非小细胞肺A549细胞(A549)表现出显着的抗肿瘤活性。这也证明了FBDD结构优化方法的可行性。