从天然异黄酮中提取的α-葡萄糖苷酶和α-淀粉酶抑制剂

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Brandón Hernández, María del Carmen Cruz, Omar Gómez, Elvia Becerra, Fabiola Eloisa Jiménez, Aarón Mendieta
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引用次数: 0

摘要

为了评估其对α-葡萄糖苷酶和α-淀粉酶的抑制作用,我们合成了一系列前炔基异黄酮,分析了这些苯并吡喃衍生物中线性或环化前炔基的生物异构效应。与阿卡波糖(α-葡萄糖苷酶的 IC50 = 527.5 µM,α-淀粉酶的 IC50 = 20.1 µM)相比,化合物 5a 表现出更高的α-葡萄糖苷酶抑制率(IC50 = 60.5 µM)和更低的α-淀粉酶抑制率(IC50 = 85.0 µM)。相比之下,前炔化异黄酮 5c 对这两种酶的抑制作用更大(α-葡萄糖苷酶的 IC50 = 17.6 µM,α-淀粉酶的 IC50 = 21.2 µM)。这表明,在异黄酮的 7-羟基上附着一个芳基,可对α-葡萄糖苷酶和α-淀粉酶产生更强的抑制作用。化合物 5a 和 5c 的对接研究显示了对这两种酶的关键相互作用。对 5c 的抑制类型进行了分析,结果表明其对α-葡萄糖苷酶和α-淀粉酶都有竞争性抑制作用。最后,ADMET 研究证明化合物 5a 和 5c 是设计具有抗糖尿病潜力的新型异黄酮衍生物的候选化合物。 概述。通过分析这些苯并吡喃衍生物中线性或环化的前酰基片段的生物异构效应,合成了一系列前酰基异黄酮,以评估它们对α-葡萄糖苷酶和α-淀粉酶的抑制作用。与阿卡波糖(CI50 = 527.5 和 20.1 µM)相比,化合物 5a 表现出较高的α-葡萄糖苷酶抑制率(CI50 = 60.5 µM)和较低的α-淀粉酶抑制率(CI50 = 85.0 µM)。前炔化异黄酮 5c 对这两种酶的抑制率更高(α-葡萄糖苷酶的 CI50 = 17.7 µM,α-淀粉酶的 CI50 = 21.2 µM)。这表明,前酰基片段与异黄酮第 7 位的羟基结合会增加对 α-葡萄糖苷酶和 α-淀粉酶的抑制作用。根据对接计算,化合物 5a 和 5c 对这两种酶的活性位点显示出关键的相互作用。对 5c 的抑制类型进行了分析,结果表明其对α-葡萄糖苷酶和α-淀粉酶都有竞争性抑制作用。最后,ADMET 研究证明化合物 5a 和 5c 是设计具有抗糖尿病潜力的新异黄酮衍生物的候选化合物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Alpha-glucosidase and Alpha-amylase Inhibitors Derived from Naturally Occurring Prenylated Isoflavones
A series of prenylated isoflavones were synthesized to evaluate their inhibitory effect against α-glucosidase and α-amylase enzymes, analyzing the bioisosteric effect of the linear or cyclized prenyl moiety in these benzopyran derivatives. Compound 5a exhibited higher α-glucosidase inhibition (IC50 = 60.5 µM) and lower α-amylase inhibition (IC50 = 85.0 µM) compared to acarbose (IC50 = 527.5 µM for α-glucosidase and 20.1 µM for α-amylase). In contrast, prenylated isoflavone 5c showed higher inhibition in both enzymes (IC50 = 17.6 µM for α-glucosidase and 21.2 µM for α-amylase). This suggests that the attachment of a prenyl moiety to the 7-hydroxy group of isoflavone provides higher inhibition in the enzymes α-glucosidase and α-amylase. Docking studies of compounds 5a and 5c displayed key interactions towards both enzymes. The type of inhibition for 5c was analyzed, where the results indicate a competitive inhibition of both α-glucosidase and α-amylase. Finally, ADMET studies support that compounds 5a and 5c are candidates for the design of novel isoflavones derivatives with antidiabetic potential.   Resumen. Una serie de isoflavonas preniladas se sintetizaron para evaluar su efecto inhibidor sobre las enzimas α-glucosidasa y α-amilasa, analizando el efecto bioisotérico del fragmento prenilo tipo lineal o ciclado en estos benzopiranos derivados. El compuesto 5a exhibió una inhibición alta de α-glucosidasa (CI50 = 60.5 µM) y una inhibición más baja de α-amilasa (CI50 = 85.0 µM, respectivamente) en comparación con acarbosa (CI50 = 527.5 y 20.1 µM). La isoflavona prenilada 5c mostró mayor inhibición en ambas enzimas (CI50 = 17.7 µM para α-glucosidasa y 21.2 µM para α-amilasa). Esto sugiere que la unión del fragmento prenilo al hidroxilo de la posición 7 de la isoflavona ocasiona una mayor inhibición en las enzimas α-glucosidasa y α-amilasa. Los compuestos 5a y 5c mostraron interacciones clave hacia el sitio activo de ambas enzimas, de acuerdo con los cálculos de acoplamiento. Se analizó el tipo de inhibición para 5c, donde los resultados indican una inhibición competitiva tanto de α-glucosidasa como de α-amilasa. Finalmente, los estudios ADMET respaldan que los compuestos 5a and 5c son candidatos para el diseño de nuevos derivados de isoflavonas con potencial antidiabético.
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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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