Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic Agents

Severe acute respiratory syndrome–related coronavirus-2 (SARS-CoV-2), a β-coronavirus, is the cause of the recently emerged pandemic and worldwide outbreak of respiratory disease. Researchers exchange information on COVID-19 to enable collaborative searches. Although there is as yet no effective ant...

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Main Author: Cheorl-Ho Kim
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-05-01
Series:Frontiers in Pharmacology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fphar.2021.590509/full
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author Cheorl-Ho Kim
author_facet Cheorl-Ho Kim
author_sort Cheorl-Ho Kim
collection DOAJ
description Severe acute respiratory syndrome–related coronavirus-2 (SARS-CoV-2), a β-coronavirus, is the cause of the recently emerged pandemic and worldwide outbreak of respiratory disease. Researchers exchange information on COVID-19 to enable collaborative searches. Although there is as yet no effective antiviral agent, like tamiflu against influenza, to block SARS-CoV-2 infection to its host cells, various candidates to mitigate or treat the disease are currently being investigated. Several drugs are being screened for the ability to block virus entry on cell surfaces and/or block intracellular replication in host cells. Vaccine development is being pursued, invoking a better elucidation of the life cycle of the virus. SARS-CoV-2 recognizes O-acetylated neuraminic acids and also several membrane proteins, such as ACE2, as the result of evolutionary switches of O-Ac SA recognition specificities. To provide information related to the current development of possible anti–SARS-COV-2 viral agents, the current review deals with the known inhibitory compounds with low molecular weight. The molecules are mainly derived from natural products of plant sources by screening or chemical synthesis via molecular simulations. Artificial intelligence–based computational simulation for drug designation and large-scale inhibitor screening have recently been performed. Structure–activity relationship of the anti–SARS-CoV-2 natural compounds is discussed.
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spelling doaj.art-ff4eda42071a4af28130e9678c8497942022-12-21T22:11:41ZengFrontiers Media S.A.Frontiers in Pharmacology1663-98122021-05-011210.3389/fphar.2021.590509590509Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic AgentsCheorl-Ho KimSevere acute respiratory syndrome–related coronavirus-2 (SARS-CoV-2), a β-coronavirus, is the cause of the recently emerged pandemic and worldwide outbreak of respiratory disease. Researchers exchange information on COVID-19 to enable collaborative searches. Although there is as yet no effective antiviral agent, like tamiflu against influenza, to block SARS-CoV-2 infection to its host cells, various candidates to mitigate or treat the disease are currently being investigated. Several drugs are being screened for the ability to block virus entry on cell surfaces and/or block intracellular replication in host cells. Vaccine development is being pursued, invoking a better elucidation of the life cycle of the virus. SARS-CoV-2 recognizes O-acetylated neuraminic acids and also several membrane proteins, such as ACE2, as the result of evolutionary switches of O-Ac SA recognition specificities. To provide information related to the current development of possible anti–SARS-COV-2 viral agents, the current review deals with the known inhibitory compounds with low molecular weight. The molecules are mainly derived from natural products of plant sources by screening or chemical synthesis via molecular simulations. Artificial intelligence–based computational simulation for drug designation and large-scale inhibitor screening have recently been performed. Structure–activity relationship of the anti–SARS-CoV-2 natural compounds is discussed.https://www.frontiersin.org/articles/10.3389/fphar.2021.590509/fullSARS-CoV-2ACE2 inhibitornatural productsreplication inhibitorvirus entry blocker
spellingShingle Cheorl-Ho Kim
Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic Agents
Frontiers in Pharmacology
SARS-CoV-2
ACE2 inhibitor
natural products
replication inhibitor
virus entry blocker
title Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic Agents
title_full Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic Agents
title_fullStr Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic Agents
title_full_unstemmed Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic Agents
title_short Anti–SARS-CoV-2 Natural Products as Potentially Therapeutic Agents
title_sort anti sars cov 2 natural products as potentially therapeutic agents
topic SARS-CoV-2
ACE2 inhibitor
natural products
replication inhibitor
virus entry blocker
url https://www.frontiersin.org/articles/10.3389/fphar.2021.590509/full
work_keys_str_mv AT cheorlhokim antisarscov2naturalproductsaspotentiallytherapeuticagents