Chen Ting-Hsu, Shen Zi-Han, Tsai May-Jywan, Weng Ching-Feng, Leong Max K
Graduate Institute of Brain and Mind Sciences, College of Medicine, National Taiwan University, Taipei, Taiwan.
Department of Clinical Medicine, Xiamen Medical College, Xiamen, Fujian, China.
Tzu Chi Med J. 2025 Apr 4;37(3):275-284. doi: 10.4103/tcmj.tcmj_226_24. eCollection 2025 Jul-Sep.
OBJECTIVES: The recent global coronavirus disease 2019 (COVID-19) pandemic, resulting from infection by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), can cause severe and fatal pneumonia along with other life-threatening complications. MATERIALS AND METHODS: The rare and limited accessibility of approved therapeutic agents or vaccines is of great distress. Swiftly working on designing and identifying inhibitors against all possible viral key protein targets, seven key SARS-CoV-2 viral enzymes were selected as targets, particularly in the action on the virus-entry, viral replication, and immune evasion of COVID-19. Papain-like protease, main protease, RNA-dependent RNA polymerase, endoribonuclease (nsp15), receptor-binding domain-angiotensin-converting enzyme 2, transmembrane serine protease 2 (TMPRSS2), and 2'- O-ribose methyltransferase (2'MTase), which were subjected to an unbiased screening against 22 small molecules originating from concomitantly with Remdesivir, Nirmatrelvir, and Molnupiravir were approved by Food and Drug Administration as repurposing drugs against SARS-CoV-2 invasion. RESULTS: The results showed that natural bioactive compounds containing α-Tocopheryolquinone, 6β-Hydroxystigmast-4-en-3-one, Squalene, Rutin and Quercetin have a high binding affinity with seven selected viral protein targets concurrently with the preference of absorption, distribution, metabolism, excretion, and toxicity and drug-likeness. CONCLUSION: This study provides potential phytoactive compounds from . through multi-target screen with molecular dynamic simulation for combating COVID-19 pandemics that need further experimental validation to confirm the prospective efficacy.
目的:近期由严重急性呼吸综合征冠状病毒2(SARS-CoV-2)感染引发的全球2019冠状病毒病(COVID-19)大流行,可导致严重且致命的肺炎以及其他危及生命的并发症。 材料与方法:获批治疗药物或疫苗的稀缺性和可及性有限令人极为困扰。迅速开展针对所有可能的病毒关键蛋白靶点设计和鉴定抑制剂的工作,选择了七种关键的SARS-CoV-2病毒酶作为靶点,特别是在COVID-19的病毒进入、病毒复制和免疫逃逸方面发挥作用的酶。木瓜样蛋白酶、主要蛋白酶、RNA依赖性RNA聚合酶、核糖核酸内切酶(nsp15)、受体结合域-血管紧张素转换酶2、跨膜丝氨酸蛋白酶2(TMPRSS2)和2'-O-核糖甲基转移酶(2'MTase),对源自22种小分子进行了无偏筛选,同时瑞德西韦、奈玛特韦和莫努匹拉韦已被美国食品药品监督管理局批准为针对SARS-CoV-2入侵的重新利用药物。 结果:结果表明,含有α-生育酚醌、6β-羟基豆甾-4-烯-3-酮、角鲨烯、芦丁和槲皮素的天然生物活性化合物与七个选定的病毒蛋白靶点具有高结合亲和力,同时具有吸收、分布、代谢、排泄和毒性以及药物相似性方面的优势。 结论:本研究通过分子动力学模拟的多靶点筛选提供了潜在的植物活性化合物,用于对抗COVID-19大流行,这需要进一步的实验验证来确认其预期疗效。
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