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A quantum chemical and statistical study of ganoderic acids with cytotoxicity against tumor cell.

机译:灵芝酸对肿瘤细胞具有细胞毒性的量子化学和统计学研究。

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摘要

A set of molecular properties (variables) of 24 ganoderic acids with cytotoxicities against Meth-A tumor cells was calculated by the molecular orbital semi-empirical method AM1 and ChemPropStd. Pattern recognition techniques, principal component analysis (PCA) and hierarchical cluster analysis (HCA) were employed to reduce dimensionality and investigate which subset of variables could be more effective for classifying the ganoderic acids according to their degree of cytotoxicities against tumor cells. The PCA and HCA studies showed that EHOMO (highest occupied molecular orbital energy), Mulliken electronegativity (chi), electronic energy (Eel), log P (octanol/water partition coefficient), and Connolly molecular area (MA) are the most important variables for the classification between the ganoderic acids with higher and lower cytotoxicities against tumor cells.
机译:通过分子轨道半经验方法AM1和ChemPropStd,计算了24种灵芝酸对Meth-A肿瘤细胞具有细胞毒性的一组分子特性(变量)。模式识别技术,主成分分析(PCA)和层次聚类分析(HCA)用于降低维数,并根据灵芝酸对肿瘤细胞的细胞毒性程度,研究哪个变量子集可以更有效地对灵芝酸进行分类。 PCA和HCA研究表明,EHOMO(最高占据分子轨道能量),Mulliken电负性(chi),电子能(Eel),log P(辛醇/水分配系数)和Connolly分子面积(MA)是最重要的变量灵芝酸对肿瘤细胞具有较高和较低细胞毒性的分类。

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