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ZFP36 ring finger protein like 1 significantly suppresses human coronavirus OC43 replication
Univ Dayton, Dept Biol, Dayton, OH 45469 USA..
Univ Dayton, Dept Biol, Dayton, OH 45469 USA..
Univ Dayton, Dept Biol, Dayton, OH 45469 USA..
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Al Azhr Univ, Fac Pharm, Dept Microbiol & Immunol, Assiut, Egypt..
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2023 (English)In: PeerJ, E-ISSN 2167-8359, Vol. 11, article id e14776Article in journal (Refereed) Published
Abstract [en]

CCCH-type zinc figure proteins (ZFP) are small cellular proteins that are structurally maintained by zinc ions. Zinc ions coordinate the protein structure in a tetrahedral geometry by binding to cystine-cystine or cysteines-histidine amino acids. ZFP's unique structure enables it to interact with a wide variety of molecules including RNA; thus, ZFP modulates several cellular processes including the host immune response and virus replication. CCCH-type ZFPs have shown their antiviral efficacy against several DNA and RNA viruses. However, their role in the human coronavirus is little explored. We hypothesized that ZFP36L1 also suppresses the human coronavirus. To test our hypothesis, we used OC43 human coronavirus (HCoV) strain in our study. We overexpressed and knockdown ZFP36L1 in HCT-8 cells using lentivirus transduction. Wild type, ZFP36L1 overexpressed, and ZFP36L1 knockdown cells were each infected with HCoV-OC43, and the virus titer in each cell line was measured over 96 hours post-infection (p.i.). Our results show that HCoV-OC43 replication was significantly reduced with ZFP36L1 overexpression while ZFP36L1 knockdown significantly enhanced virus replication. ZFP36L1 knockdown HCT-8 cells started producing infectious virus at 48 hours p.i. which was an earlier timepoint as compared to wild-type and ZFP36L1 overexpressed cells. Wild-type and ZFP36L1 overexpressed HCT-8 cells started producing infectious virus at 72 hours p.i. Overall, the current study showed that overexpression of ZFP36L1 suppressed human coronavirus (OC43) production.

Place, publisher, year, edition, pages
PEERJ INC , 2023. Vol. 11, article id e14776
Keywords [en]
CCCH type Zinc finger protein, RNA binding protein, Human coronavirus OC43
National Category
Cell and Molecular Biology
Identifiers
URN: urn:nbn:se:uu:diva-499928DOI: 10.7717/peerj.14776ISI: 000937254200008PubMedID: 36846448OAI: oai:DiVA.org:uu-499928DiVA, id: diva2:1749407
Available from: 2023-04-06 Created: 2023-04-06 Last updated: 2023-08-28Bibliographically approved

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Darweesh, Mahmoud

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