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分子对接、ADMET和分子动力学模拟表明,美曲吲哚是一种针对分裂激酶的多靶点抑制剂。

Molecular docking, ADMET and molecular dynamics simulation revealed metralindole as a multitargeted inhibitor for division kinases.

作者信息

Al-Dhuayan I, ALaqeel N K

机构信息

Imam Abdulrahman Bin Faisal University, College of Science, Department of Biology, Dammam, Saudi Arabia.

出版信息

Braz J Biol. 2023 Apr 17;83:e271688. doi: 10.1590/1519-6984.271688. eCollection 2023.

Abstract

Lung cancer is the most common type of cancer in the world, and alone, in 2020, almost 2.21 million new cases were diagnosed, with 1.80 million deaths, and are increasing daily. Non-small cell lung (NSCLC) is the primary type of lung cancer, predominantly forms around 80% of cases compared to small cell carcinoma, and about 75% of patients are already in an advanced state when diagnosed. Despite notable advances in early diagnosis and treatment, the five-year survival rate for NSCLC is not encouraging. Therefore, it is crucial to investigate the molecular causes of non-small cell lung cancer to create more efficient therapeutic approaches. Lung cancer showed a more significant and persistent binding affinity and energy landscape with the target CDK2 staurosporine and FGF receptor-1. In this study, we have picked two essential target proteins, human cyclin-dependent kinase-2 and Human Protein Kinase CK2 Holoenzyme and screened the entire prepared DrugBank prepared library of 1,55,888 compounds and identified 2-(2-methyl-5-nitroimidazole-1-yl) ethanol (Metralindole) as a major inhibitor. Metralindole has displayed high docking scores of -5.159 Kcal/mol and -5.99 Kcal/mol with good hydrogen bonding and other bonding topologies such as van der Waals force, and ADMET results shown excellent bioavailability, outstanding solubility, no side effects, and toxicity. The molecular dynamics simulation for 100ns in a water medium confirmed the compound's stability and interaction pattern with the lowest deviation and fluctuations. Our in-silico study suggests Metralindole, an experimental compound, can effectively cure lung cancer. Further, the experimental validation of the compound is a must before any prescription.

摘要

肺癌是全球最常见的癌症类型,仅在2020年,就有近221万新病例被诊断出来,180万人死亡,且病例数每天都在增加。非小细胞肺癌(NSCLC)是肺癌的主要类型,与小细胞癌相比,约占病例的80%,约75%的患者在确诊时已处于晚期。尽管在早期诊断和治疗方面取得了显著进展,但NSCLC的五年生存率并不乐观。因此,研究非小细胞肺癌的分子病因以创造更有效的治疗方法至关重要。肺癌与靶标CDK2、星形孢菌素和FGF受体-1表现出更显著和持久的结合亲和力及能量态势。在本研究中,我们挑选了两种重要的靶蛋白,人细胞周期蛋白依赖性激酶-2和人蛋白激酶CK2全酶,并筛选了整个已制备的包含155888种化合物的DrugBank文库,确定2-(2-甲基-5-硝基咪唑-1-基)乙醇(美曲吲哚)为主要抑制剂。美曲吲哚与靶蛋白的对接分数分别为-5.159千卡/摩尔和-5.99千卡/摩尔,具有良好的氢键以及范德华力等其他键合拓扑结构。ADMET结果显示其具有出色的生物利用度、优异的溶解性、无副作用和毒性。在水介质中进行的100纳秒分子动力学模拟证实了该化合物的稳定性及其与靶蛋白的相互作用模式,偏差和波动最小。我们的计算机模拟研究表明,实验性化合物美曲吲哚可有效治疗肺癌。此外,在开任何处方之前,对该化合物进行实验验证是必不可少的。

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