Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chains

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), spread as a pandemic and caused damage to people’s lives and countries’ economies. The spike (S) protein of SARS-CoV-2 contains a cleavage motif, Arg-X-X-Arg, for furin and furin-like enzymes...

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Main Authors: Yuka Kiba, Takashi Tanikawa, Tsuyoshi Hayashi, Hitoshi Kamauchi, Taishi Seki, Ryuichiro Suzuki, Masashi Kitamura
Format: Article
Language:English
Published: Elsevier 2023-12-01
Series:Biomedicine & Pharmacotherapy
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0753332223017389
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author Yuka Kiba
Takashi Tanikawa
Tsuyoshi Hayashi
Hitoshi Kamauchi
Taishi Seki
Ryuichiro Suzuki
Masashi Kitamura
author_facet Yuka Kiba
Takashi Tanikawa
Tsuyoshi Hayashi
Hitoshi Kamauchi
Taishi Seki
Ryuichiro Suzuki
Masashi Kitamura
author_sort Yuka Kiba
collection DOAJ
description Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), spread as a pandemic and caused damage to people’s lives and countries’ economies. The spike (S) protein of SARS-CoV-2 contains a cleavage motif, Arg-X-X-Arg, for furin and furin-like enzymes at the boundary of the S1/S2 subunits. Given that cleavage plays a crucial role in S protein activation and viral entry, the cleavage motif was selected as the target. Our previous fluorogenic substrate study showed that osthole, a coumarin compound, inhibits furin-like enzyme activity. In this study, we examined the potential activities of 15 compounds with a structure-activity relationship with osthole, and evaluated their protective ability against SARS-CoV-2 infection. Of the 15 compounds tested, compounds C1 and C2 exhibited the inhibitory effects of osthole against furin-like enzymatic activity; however, little or no inhibitory effects against furin activity were observed. We further examined the inhibition of SARS-CoV-2 activity by compounds C1 and C2 using a Vero E6 cell line that expresses the transmembrane protease serine 2 (TMPRSS2). Compounds C1, C2, and osthole effectively inhibited SARS-CoV-2 infection. Therefore, osthole and its derivatives can potentially be used as therapeutic agents against SARS-CoV-2.
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spelling doaj.art-d6bc43699e844feaa4efbd4b38b07b892023-12-05T04:14:51ZengElsevierBiomedicine & Pharmacotherapy0753-33222023-12-01169115940Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chainsYuka Kiba0Takashi Tanikawa1Tsuyoshi Hayashi2Hitoshi Kamauchi3Taishi Seki4Ryuichiro Suzuki5Masashi Kitamura6School of Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University; 1–1, Keyakidai, Sakado, Saitama 350–0295, JapanSchool of Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University; 1–1, Keyakidai, Sakado, Saitama 350–0295, Japan; Corresponding authors.Department of Virology II, National Institute of Infectious Diseases, Tokyo, JapanDepartment of Pharmaceutical Sciences, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado City, Saitama 350-0295, JapanSchool of Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University; 1–1, Keyakidai, Sakado, Saitama 350–0295, JapanDepartment of Pharmaceutical Sciences, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado City, Saitama 350-0295, JapanSchool of Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University; 1–1, Keyakidai, Sakado, Saitama 350–0295, Japan; Corresponding authors.Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), spread as a pandemic and caused damage to people’s lives and countries’ economies. The spike (S) protein of SARS-CoV-2 contains a cleavage motif, Arg-X-X-Arg, for furin and furin-like enzymes at the boundary of the S1/S2 subunits. Given that cleavage plays a crucial role in S protein activation and viral entry, the cleavage motif was selected as the target. Our previous fluorogenic substrate study showed that osthole, a coumarin compound, inhibits furin-like enzyme activity. In this study, we examined the potential activities of 15 compounds with a structure-activity relationship with osthole, and evaluated their protective ability against SARS-CoV-2 infection. Of the 15 compounds tested, compounds C1 and C2 exhibited the inhibitory effects of osthole against furin-like enzymatic activity; however, little or no inhibitory effects against furin activity were observed. We further examined the inhibition of SARS-CoV-2 activity by compounds C1 and C2 using a Vero E6 cell line that expresses the transmembrane protease serine 2 (TMPRSS2). Compounds C1, C2, and osthole effectively inhibited SARS-CoV-2 infection. Therefore, osthole and its derivatives can potentially be used as therapeutic agents against SARS-CoV-2.http://www.sciencedirect.com/science/article/pii/S0753332223017389FurinSARS-CoV-2OstholeCoumarin
spellingShingle Yuka Kiba
Takashi Tanikawa
Tsuyoshi Hayashi
Hitoshi Kamauchi
Taishi Seki
Ryuichiro Suzuki
Masashi Kitamura
Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chains
Biomedicine & Pharmacotherapy
Furin
SARS-CoV-2
Osthole
Coumarin
title Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chains
title_full Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chains
title_fullStr Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chains
title_full_unstemmed Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chains
title_short Inhibition of furin-like enzymatic activities and SARS-CoV-2 infection by osthole and phenolic compounds with aryl side chains
title_sort inhibition of furin like enzymatic activities and sars cov 2 infection by osthole and phenolic compounds with aryl side chains
topic Furin
SARS-CoV-2
Osthole
Coumarin
url http://www.sciencedirect.com/science/article/pii/S0753332223017389
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