Viral Mimicry of Interleukin-17A by SARS-CoV-2 ORF8

Author:

Wu Xin1,Xia Tian1,Shin Woo-Jin12,Yu Kwang-Min3,Jung Wooram1,Herrmann Alexandra4,Foo Suan-Sin1,Chen Weiqiang1ORCID,Zhang Pengfei1,Lee Jong-Soo5,Poo Haryoung6,Comhair Suzy A. A.7,Jehi Lara8,Choi Young Ki3ORCID,Ensser Armin4ORCID,Jung Jae U.1ORCID

Affiliation:

1. Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA

2. Cleveland Clinic Florida Research & Innovation Center, Port St. Lucie, Florida, USA

3. Center for Study of Emerging and Re-emerging Viruses, Korea Virus Research Institute, Institute for Basic Science (IBS), Daejeon, Republic of Korea

4. Institute for Clinical and Molecular Virology, University Hospital Erlangen, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany

5. College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea

6. Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea

7. Respiratory Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA

8. Department of Neurology, Epilepsy Center, Cleveland Clinic, Cleveland, Ohio, USA

Abstract

Patients infected with SARS-CoV-2 variants lacking open reading frame 8 (ORF8) have been associated with milder infection and disease outcome, but the molecular mechanism behind how this viral accessory protein mediates disease pathogenesis is not yet known. In our study, we revealed that secreted ORF8 protein mimics host IL-17 to activate IL-17 receptors A and C (IL-17RA/C) and induces a significantly stronger inflammatory response than host IL-17A, providing molecular insights into the role of ORF8 in COVID-19 pathogenesis and serving as a potential therapeutic target.

Funder

KRIBB, Korea

The institute for Basic science, Korea

Bayerisches Staatsministerium für Bildung und Kultus, Wissenschaft und Kunst

HHS | National Institutes of Health

Publisher

American Society for Microbiology

Subject

Virology,Microbiology

Reference59 articles.

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