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Structure Activity Relationship and Quantitative Structure-Activity Relationships Modeling of Cyto-Toxicity of Phenothiazine Derivatives

机译:吩噻嗪衍生物的细胞毒性的结构活性关系和定量构效关系建模

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摘要

QSAR studies have been performed on eighteen molecules of phenothiazines. The compounds used are among the most Multi-Drug Resistance (MDR) modulators. A multiple linear regression (MLR) procedure was used to design the relationships between molecular descriptor and cyto-toxicity of the phenothiazine derivatives. The predictivity of the model was estimated by cross-validation with the leave-one-out method. Our results suggest a QSAR model based of the following descriptors: E_(LUMO), Log P, HE, MR, MV, MW for the anti-MDR activity. To confirm the predictive power of the models, an external set of molecules was used. High correlation between experimental and predicted activity values was observed, indicating the validation and the good quality of the derived QSAR models.
机译:已对18种吩噻嗪分子进行了QSAR研究。所使用的化合物属于最耐多药(MDR)调节剂。使用多元线性回归(MLR)程序设计吩噻嗪衍生物的分子描述子与细胞毒性之间的关系。通过留一法的交叉验证来估计模型的可预测性。我们的结果提出了一种基于以下描述符的QSAR模型:抗MDR活性的E_(LUMO),Log P,HE,MR,MV,MW。为了确认模型的预测能力,使用了一组外部分子。观察到实验和预测的活动值之间的高度相关性,表明派生的QSAR模型的有效性和良好的质量。

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