In Vitro and In Silico Studies of Bis-furyl-pyrrolo[3,4-b]pyridin-5-ones on Dengue Virus

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Ivette Morales-Salazar, Carlos E Garduño-Albino, Flora P Montes-Enríquez, A. Gutiérrez-Carrillo, Yareli Rojas-Aguirre, Nancy Viridiana Estrada-Toledo, Jorge Sandoval-Basilio, S. Alcaraz-Estrada, E. Díaz-Cervantes, E. González-Zamora, A. Islas-Jácome
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引用次数: 0

Abstract

A series of six bis-furyl-pyrrolo[3,4-b]pyridin-5-ones synthesized via an Ugi-Zhu reaction coupled to a cascade process [aza Diels-Alder cycloaddition/N-acylation/aromatization] were evaluated in vitro against Dengue virus serotype 4 infection, and the Dengue virus replicon system encoding a Renilla luciferase gen reporter. Also, in silico studies on the non-structural protein 3 (NS3), a flavivirus protease comprising an attractive target for development of therapeutic antivirals bound to non-structural protein 2B (NS3-NS2B) were performed. The in vitro results showed that compounds 1a and 1b reduced the expression of Renilla luciferase in 44.2 and 31.6%, respectively. Additionally, the same compounds decreased viral load, thus revealing their potential activity against Dengue virus serotype 4. From in silico simulations, it was developed a NS3-NS2B model, which was used as a target for the studied molecules. Computational results agree with experimental data, showing that 1a is the best ligand. Finally, a pharmacophoric model was computed for NS3-NS2B, which shows that the ligands need two hydrophobic and one hydrophilic fragment. Such results suggest that two out of the six synthesized bis-furyl-pyrrolo[3,4-b]pyridin-5-ones derivatives presents potential antiviral activity against Dengue virus in vitro.   Resumen. Una serie de seis bis-furil-pirrolo[3,4-b]piridin-5-onas sintetizadas vía una reacción Ugi-Zhu acoplada a un proceso en cascada [cicloadición aza Diels-Alder/N-acilación/aromatización] fueron evaluadas in vitro contra infección por el serotipo 4 del virus del dengue y el sistema de replicón del virus del Dengue que codifica un gen reportero de la luciferasa de la Renilla. Además, se realizaron estudios in silico sobre la proteína no estructural 3 (NS3), una proteasa de flavivirus que comprende un blanco atractivo para el desarrollo de antivirales terapéuticos unidos a la proteína no estructural 2B (NS3-NS2B). Los estudios in vitro revelaron que los compuestos 1a y 1b reducen la expresión de Renilla luciferasa en un 44.2 y 31.6%, respectivamente. Adicionalmente, estos compuestos redujeron la carga viral, revelando así su actividad potencial contra el virus del Dengue serotipo 4. Derivado de las simulaciones in silico, se obtuvo un modelo homólogo para NS3-NS2B, el cual fue considerado como blanco de las moléculas estudiadas. Los resultados computacionales correlacionan con los experimentales, mostrando que 1a es el mejor ligando. Finalmente, se generó un modelo farmacofórico para NS3-NS2B, el cual muestra que los ligandos necesitan dos fragmentos hidrofóbicos y uno hidrofílico. Estos resultados demuestran que dos de los seis compuestos que se estudiaron presentan actividad antiviral in vitro.
双呋喃基吡咯并[3,4-b]吡啶-5-酮对登革热病毒的体外和硅学研究
通过乌基-朱(Ugi-Zhu)反应耦合级联过程[氮杂 Diels-Alder 环加成/N-酰化/芳香化]合成的六种双呋喃基吡咯并[3,4-b]吡啶-5-酮系列,在体外对登革病毒血清型 4 感染和编码雷尼拉荧光素酶基因报告物的登革病毒复制子系统进行了评估。此外,还对非结构蛋白 3(NS3)进行了硅学研究,NS3 是一种黄病毒蛋白酶,是开发与非结构蛋白 2B(NS3-NS2B)结合的治疗性抗病毒药物的诱人靶点。体外实验结果表明,化合物 1a 和 1b 可使雷尼拉荧光素酶的表达量分别减少 44.2% 和 31.6%。此外,这些化合物还降低了病毒载量,从而揭示了它们对 4 号血清型登革热病毒的潜在活性。通过硅学模拟,建立了一个 NS3-NS2B 模型,并将其作为所研究分子的靶标。计算结果与实验数据一致,表明 1a 是最佳配体。最后,计算了 NS3-NS2B 的药效模型,结果表明配体需要两个疏水片段和一个亲水片段。这些结果表明,在合成的六种双呋喃基吡咯并[3,4-b]吡啶-5-酮衍生物中,有两种在体外对登革热病毒具有潜在的抗病毒活性。 小结通过乌基-朱(Ugi-Zhu)反应结合级联过程[氮杂 Diels-Alder 环加成/N-酰化/芳香化]合成的六种双呋喃基吡咯并[3,4-b]吡啶-5-酮系列衍生物,在体外对登革病毒血清型 4 和编码雷尼拉荧光素酶报告基因的登革病毒复制子系统的感染进行了评估。此外,还对非结构蛋白 3(NS3)进行了硅学研究,这是一种黄病毒蛋白酶,是开发与非结构蛋白 2B(NS3-NS2B)结合的治疗性抗病毒药物的一个有吸引力的靶点。体外研究显示,化合物 1a 和 1b 可使雷尼拉荧光素酶的表达量分别减少 44.2% 和 31.6%。此外,这些化合物还降低了病毒载量,从而揭示了它们对 4 号血清型登革热病毒的潜在活性。通过硅学模拟,获得了 NS3-NS2B 的同源模型,并将其视为所研究分子的靶标。计算结果与实验结果吻合,表明 1a 是最佳配体。最后,为 NS3-NS2B 生成了药效学模型,该模型显示配体需要两个疏水片段和一个亲水片段。这些结果表明,所研究的六种化合物中有两种具有体外抗病毒活性。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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