亚玛利利利达科类化物屏幕揭示了强大的抗冠状病毒化合物和相关的结构决定因素
Natacha Merindol1,2, Luan Letieri Belem Martins1, Ghada Elfayres3
1Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières G8Z 4M3 Québec, Canada.
ACS pharmacology & translational science
|November 14, 2024
概括
来自Amaryllidaceae家族的药用植物产生强大的抗病毒化合物,超出了lycorine. 这些类化合物通过向RNA过程,有效地抑制人类冠状病毒 (HCoV) -OC43和SARS-CoV-2的复制.
科学领域:
- 药理学 药理学是指药理学的学科.
- 病毒学 病毒学
- 自然产品 化学 化学
背景情况:
- 贝塔冠状病毒导致一系列呼吸系统疾病,从普通感冒 (HCoV-OC43) 到严重疾病 (SARS-CoV-2).
- 持续需要新型抗病毒药物来对抗冠状病毒感染.
- 亚马里里叶科植物家族以生产生物活性化物而闻名,其中包括抗病毒化合物利科林.
研究的目的:
- 选Amaryllidaceae植物代谢物对抗Betacoronaviruses的抗病毒活性.
- 识别新型抗病毒类化合物并了解它们的作用机制.
- 探索结构-活性关系,以开发新的抗病毒药物线索.
主要方法:
- 选40种植物特种代谢物,包括35种化物.
- 使用HCoV-OC43和SARS-CoV-2复制体系统进行抗病毒检测.
- 药物添加时间实验和综合应激反应途径的分析.
- 已识别的抗病毒类化合物的结构-活性关系分析.
主要成果:
- 几种阿玛里里里达属类化合物,包括胰岛素,克里纳胺,黑曼胺和黑曼胺,显示出强烈的抑制HCoV-OC43复制.
- 亚马贝利辛对HCoV-OC43 (EC50 = 0.2μM,SI = 60) 的疗效优越,对SARS-CoV-2的活性得到证实.
- 抗病毒活性与进入后的机制有关,可能是RNA复制或翻译.
- 大多数活性化物诱导了综合应激反应转录,并且阐明了结构-活性关系.
结论:
- 亚玛利利叶植物产生的各种各样的强大的抗病毒类化合物超出了Lycorine.
- 这些类化合物显示出开发针对贝塔冠状病毒的新型抗病毒疗法的巨大潜力.
- 对这些化合物的进一步研究可能会导致呼吸道病毒感染的新疗法.
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