Mina Maddah , Mahdi Pourfath , Angila Ataei-Pirkooh , Roja Rahimi , Nafiseh Hosseini Yekta , Roodabeh Bahramsoltani
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引用次数: 0
摘要
计算方法通过加速和简化化合物选择,在现代药物发现中发挥着越来越关键的作用。本研究采用融合机器学习和分子对接的共识虚拟筛选策略,从桃金娘(Myrtus communis L.)植物化学物质中筛选出潜在的人乳头瘤病毒(human papillomavirus, HPV)抗病毒药物。HPV是一种DNA病毒,是宫颈癌和生殖器疣的主要原因。在已知的HPV抑制剂上训练的ML分类器预测了活性桃金娘化合物,随后对接以评估与主要变体中四种HPV早期蛋白的结合亲和力。五种得分最高的植物化学物质——桃金娘共酮A、C和E、半桃金娘共酮和tellagrandin ii——在两种模型中都表现出一致的活性,并且在分子动力学模拟中表现出很强的稳定性。结合自由能分析通过MM/GBSA证实有利的蛋白质配体相互作用。这些化合物具有抗病毒和抗癌特性,是抗hpv药物开发中进一步实验验证的有希望的候选者。
Consensus virtual screening to propose antivirals from Myrtus communis L. against human papillomavirus: Machine learning and docking
Computational methods play an increasingly pivotal role in modern drug discovery by accelerating and streamlining compound selection. In this study, a consensus virtual screening strategy integrating machine learning (ML) and molecular docking was employed to identify potential antiviral agents from Myrtus communis L. phytochemicals against human papillomavirus (HPV). HPV, a DNA virus, is a major cause of cervical cancer and genital warts. ML classifiers trained on known HPV inhibitors predicted active myrtle compounds, followed by docking to assess binding affinities with four HPV early proteins across major variants. Five top-scoring phytochemicals-myrtucommulones A, C, and E, semimyrtucommulone, and tellimagrandin II-exhibited consistent activity across both models and showed strong stability in molecular dynamics simulations. Binding free energy analysis via MM/GBSA confirmed favorable protein–ligand interactions. These compounds, with documented antiviral and anticancer properties, are promising candidates for further experimental validation in anti-HPV drug development.
期刊介绍:
The journal includes papers in the following areas:
– Simple organic liquids and mixtures
– Ionic liquids
– Surfactant solutions (including micelles and vesicles) and liquid interfaces
– Colloidal solutions and nanoparticles
– Thermotropic and lyotropic liquid crystals
– Ferrofluids
– Water, aqueous solutions and other hydrogen-bonded liquids
– Lubricants, polymer solutions and melts
– Molten metals and salts
– Phase transitions and critical phenomena in liquids and confined fluids
– Self assembly in complex liquids.– Biomolecules in solution
The emphasis is on the molecular (or microscopic) understanding of particular liquids or liquid systems, especially concerning structure, dynamics and intermolecular forces. The experimental techniques used may include:
– Conventional spectroscopy (mid-IR and far-IR, Raman, NMR, etc.)
– Non-linear optics and time resolved spectroscopy (psec, fsec, asec, ISRS, etc.)
– Light scattering (Rayleigh, Brillouin, PCS, etc.)
– Dielectric relaxation
– X-ray and neutron scattering and diffraction.
Experimental studies, computer simulations (MD or MC) and analytical theory will be considered for publication; papers just reporting experimental results that do not contribute to the understanding of the fundamentals of molecular and ionic liquids will not be accepted. Only papers of a non-routine nature and advancing the field will be considered for publication.