Structural Analysis of SARS-CoV-2 ORF8 Protein: Pathogenic and Therapeutic Implications

Current therapeutic strategies and vaccines against SARS-CoV-2 are mainly focused on the Spike protein despite there are other viral proteins with important roles in COVID-19 pathogenicity. For example, ORF8 restructures vesicular trafficking in the host cell, impacts intracellular immunity through...

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Published inFrontiers in genetics Vol. 12; p. 693227
Main Authors Valcarcel, Antonio, Bensussen, Antonio, Álvarez-Buylla, Elena R., Díaz, José
Format Journal Article
LanguageEnglish
Published Frontiers Media S.A 06.09.2021
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Summary:Current therapeutic strategies and vaccines against SARS-CoV-2 are mainly focused on the Spike protein despite there are other viral proteins with important roles in COVID-19 pathogenicity. For example, ORF8 restructures vesicular trafficking in the host cell, impacts intracellular immunity through the IFN-I signaling, and growth pathways through the mitogen-activated protein kinases (MAPKs). In this mini-review, we analyze the main structural similarities of ORF8 with immunological molecules such as IL−1, contributing to the immunological deregulation observed in COVID-19. We also propose that the blockage of some effector functions of ORF8 with Rapamycin, such as the mTORC1 activation through MAPKs 40 pathway, with Rapamycin, can be a promising approach to reduce COVID-19 mortality.
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Edited by: Dariusz Plewczynski, Warsaw University of Technology, Poland
This article was submitted to Computational Genomics, a section of the journal Frontiers in Genetics
Reviewed by: Sandra Paulina Smieszek, Vanda Pharmaceuticals Inc., United States; Pragati Agnihotri, Advanced BioScience Laboratories, Inc. (ABL), United States
ISSN:1664-8021
1664-8021
DOI:10.3389/fgene.2021.693227