Proteolytic activation of the SARS-coronavirus spike protein : cutting enzymes at the cutting edge of antiviral research
Copyright © 2013 Elsevier B.V. All rights reserved..
The severe acute respiratory syndrome (SARS) pandemic revealed that zoonotic transmission of animal coronaviruses (CoV) to humans poses a significant threat to public health and warrants surveillance and the development of countermeasures. The activity of host cell proteases, which cleave and activate the SARS-CoV spike (S) protein, is essential for viral infectivity and constitutes a target for intervention. However, the identities of the proteases involved have been unclear. Pioneer studies identified cathepsins and type II transmembrane serine proteases as cellular activators of SARS-CoV and demonstrated that several emerging viruses might exploit these enzymes to promote their spread. Here, we will review the proteolytic systems hijacked by SARS-CoV for S protein activation, we will discuss their contribution to viral spread in the host and we will outline antiviral strategies targeting these enzymes. This paper forms part of a series of invited articles in Antiviral Research on "From SARS to MERS: 10years of research on highly pathogenic human coronaviruses.''.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2013 |
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Erschienen: |
2013 |
Enthalten in: |
Zur Gesamtaufnahme - volume:100 |
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Enthalten in: |
Antiviral research - 100(2013), 3 vom: 01. Dez., Seite 605-14 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Simmons, Graham [VerfasserIn] |
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Links: |
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Anmerkungen: |
Date Completed 14.04.2014 Date Revised 07.12.2022 published: Print-Electronic Citation Status MEDLINE |
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doi: |
10.1016/j.antiviral.2013.09.028 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM231655401 |
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520 | |a The severe acute respiratory syndrome (SARS) pandemic revealed that zoonotic transmission of animal coronaviruses (CoV) to humans poses a significant threat to public health and warrants surveillance and the development of countermeasures. The activity of host cell proteases, which cleave and activate the SARS-CoV spike (S) protein, is essential for viral infectivity and constitutes a target for intervention. However, the identities of the proteases involved have been unclear. Pioneer studies identified cathepsins and type II transmembrane serine proteases as cellular activators of SARS-CoV and demonstrated that several emerging viruses might exploit these enzymes to promote their spread. Here, we will review the proteolytic systems hijacked by SARS-CoV for S protein activation, we will discuss their contribution to viral spread in the host and we will outline antiviral strategies targeting these enzymes. This paper forms part of a series of invited articles in Antiviral Research on "From SARS to MERS: 10years of research on highly pathogenic human coronaviruses.'' | ||
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