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近日,南华大学药学院彭雪博士与王震教授在国际药物化学Top期刊European Journal of Medicinal Chemistry(《欧洲药物化学杂志》)上发表了题为“Design,Synthesis,and Biological Evaluation of 1-Styrenyl Isoquinoline Derivatives for Anti-hepatocellular Carcinoma Activity and Effect on Mitochondria(新型1-苯基异喹啉衍生物的设计、合成以及抗肝癌活性研究)”的研究性论文,南华大学王震教授和彭雪博士为共同通讯作者,研究生王雨晴和龙麟为共同第一作者。
据了解,天然产物白藜芦醇(Resveratrol)是天然多酚类物质,又称芪三酚,主要存在于葡萄、虎杖和花生中,具有抗癌、 抗衰老、抗氧化、抗增殖、保护心脏和提高免疫力的作用,在癌症或自身免疫性疾病的治疗中得到了广泛的研究,但白藜芦醇生物利用度低,限制了其应用。
彭雪博士以白藜芦醇为苗头化合物,通过官能团替换补偿策略,设计了系列新型1-苯乙烯基异喹啉类化合物,该类化合物能够克服白藜芦醇因大量羟基存在导致的代谢稳定性差、生物利用度低等问题,同时含氮杂环的引入有效补偿羟基缺失导致的水溶性减弱并提高了苗头化合物的活性。机制研究显示,该类化合物可诱导肝癌细胞G2/M期阻滞抑制肿瘤细胞增殖并通过调控PI3K/Akt/mTOR通路介导线粒体凋亡从而发挥协同抗肿瘤活性。此外,化合物1c还能够抑制肿瘤复发与转移的元凶——上皮细胞-间充质转化(epithelial–mesenchymal transition,EMT)过程,为具备抑制肿瘤复发潜力的新型抗肿瘤药物的研发提供新思路。(张茜 夏文辉)
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