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药物化学中的计算方法利用Python通过人工神经网络对抗疟化合物进行定量构效关系(QSPR)研究。

Computational approaches in drug chemistry leveraging python powered QSPR study of antimalaria compounds by using artificial neural networks.

作者信息

Ahmed Wakeel, Ashraf Tamseela, Saleem Maliha Tehseen, Mahmoud Emad E, Ali Kashif, Zaman Shahid, Belay Melaku Berhe

机构信息

Department of Mathematics, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan.

Department of Mathematics, University of Sialkot, Sialkot, 51310, Pakistan.

出版信息

Sci Rep. 2025 Jun 2;15(1):19307. doi: 10.1038/s41598-025-01594-y.

Abstract

The application of Machine Learning has become a revolutionary instrument in the domain of pharmaceutical research. Machine learning enables the modelling of Quantitative Structure Property Relationship, a crucial task in forecasting the physiochemical characteristics of drugs. In this study we utilized machine learning algorithms namely Artificial Neural Networks and Random Forest to predict physiochemical characteristics of Anti-malaria drugs. These models utilize several topological indices global variables quantifying the connectivity and geometric characteristics of molecules to estimate the ability of prospective antimalarial compounds to interact with the target enzyme and other physicochemical parameters. Molecular descriptors such as size, shape, and electronic structure indices are a way of mapping molecular properties into a set of quantitative data that can be analyzed by Machine Learning techniques. By carrying out regression analysis with the help of Artificial Neural Networks and Random Forest, the corresponding changes in the molecular structures and their effects on effectiveness and properties of the potential drugs can be predicted, thereby supporting the search for new therapeutic compounds. Machine learning not only observe the drug development process but also facilitates to look at chemical datasets with respect to high order non-linear relationship, which are essential to improve antimalarial drug candidates and pharmacokinetic properties.

摘要

机器学习的应用已成为药物研究领域的一项革命性工具。机器学习能够对定量构效关系进行建模,这是预测药物理化特性的一项关键任务。在本研究中,我们利用机器学习算法,即人工神经网络和随机森林,来预测抗疟药物的理化特性。这些模型利用几个拓扑指数全局变量来量化分子的连接性和几何特征,以估计潜在抗疟化合物与靶酶相互作用的能力以及其他理化参数。诸如大小、形状和电子结构指数等分子描述符是将分子特性映射为一组可通过机器学习技术进行分析的定量数据的一种方式。通过借助人工神经网络和随机森林进行回归分析,可以预测分子结构的相应变化及其对潜在药物有效性和特性的影响,从而支持寻找新的治疗化合物。机器学习不仅能观察药物研发过程,还有助于从高阶非线性关系的角度审视化学数据集,这对于改进抗疟候选药物和药代动力学特性至关重要。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3a7f/12130482/d9f6c638c939/41598_2025_1594_Fig1_HTML.jpg

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