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Dai J, Feng Y, Liao Y, Tan L, Sun Y, Song C, Qiu X, Ding C. Virus infection and sphingolipid metabolism. Antiviral Res 2024; 228:105942. [PMID: 38908521 DOI: 10.1016/j.antiviral.2024.105942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 06/14/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
Cellular sphingolipids have vital roles in human virus replication and spread as they are exploited by viruses for cell entry, membrane fusion, genome replication, assembly, budding, and propagation. Intracellular sphingolipid biosynthesis triggers conformational changes in viral receptors and facilitates endosomal escape. However, our current understanding of how sphingolipids precisely regulate viral replication is limited, and further research is required to comprehensively understand the relationships between viral replication and endogenous sphingolipid species. Emerging evidence now suggests that targeting and manipulating sphingolipid metabolism enzymes in host cells is a promising strategy to effectively combat viral infections. Additionally, serum sphingolipid species and concentrations could function as potential serum biomarkers to help monitor viral infection status in different patients. In this work, we comprehensively review the literature to clarify how viruses exploit host sphingolipid metabolism to accommodate viral replication and disrupt host innate immune responses. We also provide valuable insights on the development and use of antiviral drugs in this area.
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Affiliation(s)
- Jun Dai
- Experimental Animal Center, Zunyi Medical University, Zunyi, 563099, China
| | - Yiyi Feng
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China; Laboratory of Veterinary Microbiology and Animal Infectious Diseases, College of Animal Sciences and Veterinary Medicine, Guangxi University, Nanning, 530004, Guangxi China
| | - Ying Liao
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Lei Tan
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Yingjie Sun
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Cuiping Song
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Xusheng Qiu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China.
| | - Chan Ding
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, 225009, China.
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Stewart CM, Bo Y, Fu K, Chan M, Kozak R, Apperley KYP, Laroche G, Daniel R, Beauchemin AM, Kobinger G, Kobasa D, Côté M. Sphingosine Kinases Promote Ebola Virus Infection and Can Be Targeted to Inhibit Filoviruses, Coronaviruses, and Arenaviruses Using Late Endocytic Trafficking to Enter Cells. ACS Infect Dis 2023; 9:1064-1077. [PMID: 37053583 DOI: 10.1021/acsinfecdis.2c00416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
Entry of enveloped viruses in host cells requires the fusion of viral and host cell membranes, a process that is facilitated by viral fusion proteins protruding from the viral envelope. These viral fusion proteins need to be triggered by host factors, and for some viruses, this event occurs inside endosomes and/or lysosomes. Consequently, these 'late-penetrating viruses' must be internalized and delivered to entry-conducive intracellular vesicles. Because endocytosis and vesicular trafficking are tightly regulated cellular processes, late-penetrating viruses also depend on specific host proteins for efficient delivery to the site of fusion, suggesting that these could be targeted for antiviral therapy. In this study, we investigated a role for sphingosine kinases (SKs) in viral entry and found that chemical inhibition of sphingosine kinase 1 (SK1) and/or SK2 and knockdown of SK1/2 inhibited entry of Ebola virus (EBOV) into host cells. Mechanistically, inhibition of SK1/2 prevented EBOV from reaching late-endosomes and lysosomes that contain the EBOV receptor, Niemann Pick C1 (NPC1). Furthermore, we present evidence that suggests that the trafficking defect caused by SK1/2 inhibition occurs independently of sphingosine-1-phosphate (S1P) signaling through cell-surface S1P receptors. Lastly, we found that chemical inhibition of SK1/2 prevents entry of other late-penetrating viruses, including arenaviruses and coronaviruses, and inhibits infection by replication-competent EBOV and SARS-CoV-2 in Huh7.5 cells. In sum, our results highlight an important role played by SK1/2 in endocytic trafficking, which can be targeted to inhibit entry of late-penetrating viruses and could serve as a starting point for the development of broad-spectrum antiviral therapeutics.
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Affiliation(s)
- Corina M Stewart
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Centre for Infection, Immunity, and Inflammation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
| | - Yuxia Bo
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Centre for Infection, Immunity, and Inflammation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
| | - Kathy Fu
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Centre for Infection, Immunity, and Inflammation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
| | - Mable Chan
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada
- Department of Infectious Diseases and Medical Microbiology, University of Manitoba, Winnipeg, MB R3E 0J9, Canada
| | - Robert Kozak
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada
| | - Kim Yang-Ping Apperley
- Center for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Geneviève Laroche
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Centre for Infection, Immunity, and Inflammation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
| | - Redaet Daniel
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Centre for Infection, Immunity, and Inflammation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
| | - André M Beauchemin
- Center for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Gary Kobinger
- Galveston National Laboratory, Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas 77550, United States
| | - Darwyn Kobasa
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada
- Department of Infectious Diseases and Medical Microbiology, University of Manitoba, Winnipeg, MB R3E 0J9, Canada
| | - Marceline Côté
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Centre for Infection, Immunity, and Inflammation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
- Center for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON K1H 8L1, Canada
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Effect of the Interaction between Viral PB2 and Host SphK1 on H9N2 AIV Replication in Mammals. Viruses 2022; 14:v14071585. [PMID: 35891566 PMCID: PMC9322132 DOI: 10.3390/v14071585] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/11/2022] [Accepted: 07/19/2022] [Indexed: 01/25/2023] Open
Abstract
The H9N2 avian influenza virus (AIV) is currently widespread worldwide, posing a severe threat to the poultry industry and public health. Reassortment is an important way for influenza viruses to adapt to a new host. In 2007, the PB2 gene of H9N2 AIV in China was reassorted, and the DK1-like lineage replaced the F/98-like lineage, forming a dominant genotype of G57. This genotype and its reassortants (such as H7N9, H10N8 and H5N6) showed higher mammalian adaptation, and caused increased human infections. However, the adaptive mechanisms of the DK1-like lineage PB2 gene remain unclear. Here, we confirmed that the PB2 lineage of the H9N2 AIV currently prevalent in China still belongs to the DK1-like lineage and, compared with the previously predominant F/98-like lineage, the DK1-like lineage PB2 gene significantly enhances H9N2 AIV to mammalian adaptation. Through transcriptomic analysis and qRT–PCR and western blot experiments, we identified a host factor, sphingosine kinase 1 (SphK1), that is closely related to viral replication. SphK1 inhibits the replication of DK1-like PB2 gene H9N2 AIV, but the ability of SphK1 protein to bind DK1-like PB2 protein is weaker than that of F/98-like PB2 protein, which may contribute to H9N2 AIV containing the DK1-like PB2 gene to escape the inhibitory effect of host factor SphK1 for efficient infection. This study broadens our understanding of the adaptive evolution of H9N2 AIV and highlights the necessity to pay close attention to the AIV that contains the adaptive PB2 protein in animals and humans.
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Eichler M, Aksi E, Pfeilschifter J, Imre G. Application of pseudotyped virus particles to monitor Ebola virus and SARS-CoV-2 viral entry in human cell lines. STAR Protoc 2021; 2:100818. [PMID: 34467222 PMCID: PMC8390363 DOI: 10.1016/j.xpro.2021.100818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Experimental work on highly pathogenic viruses such as Ebola virus (EBOV) and severe acute respiratory syndrome coronavirus-2 requires high-level biosafety facilities. Here, we provide a detailed step-by-step protocol which details the production and application of replication-incompetent murine leukemia virus-based pseudotyped particles to monitor and quantify the viral entry efficiency in human cell lines under biosafety level-2 conditions. We describe the use of viral particles encoding luciferase gene and the quantification of transduction efficiency by measuring luciferase activity. For complete details on the use and execution of this protocol, please refer to Imre et al. (2021). MLV pseudotyped viruses are suitable for studies on viral entry in human cell lines Replication incompetence of pseudoviruses enables bio safety level-2 conditions Quantification of transduction efficiency by measurement of luciferase activity
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Affiliation(s)
- Madeleine Eichler
- Institute of General Pharmacology and Toxicology, Goethe University Frankfurt, 60590 Frankfurt am Main, Germany
| | - Ebru Aksi
- Institute of General Pharmacology and Toxicology, Goethe University Frankfurt, 60590 Frankfurt am Main, Germany
| | - Josef Pfeilschifter
- Institute of General Pharmacology and Toxicology, Goethe University Frankfurt, 60590 Frankfurt am Main, Germany
| | - Gergely Imre
- Institute of General Pharmacology and Toxicology, Goethe University Frankfurt, 60590 Frankfurt am Main, Germany
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Avota E, Bodem J, Chithelen J, Mandasari P, Beyersdorf N, Schneider-Schaulies J. The Manifold Roles of Sphingolipids in Viral Infections. Front Physiol 2021; 12:715527. [PMID: 34658908 PMCID: PMC8511394 DOI: 10.3389/fphys.2021.715527] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 09/06/2021] [Indexed: 12/13/2022] Open
Abstract
Sphingolipids are essential components of eukaryotic cells. In this review, we want to exemplarily illustrate what is known about the interactions of sphingolipids with various viruses at different steps of their replication cycles. This includes structural interactions during entry at the plasma membrane or endosomal membranes, early interactions leading to sphingolipid-mediated signal transduction, interactions with internal membranes and lipids during replication, and interactions during virus assembly and budding. Targeted interventions in sphingolipid metabolism - as far as they can be tolerated by cells and organisms - may open novel possibilities to support antiviral therapies. Human immunodeficiency virus type 1 (HIV-1) infections have intensively been studied, but for other viral infections, such as influenza A virus (IAV), measles virus (MV), hepatitis C virus (HCV), dengue virus, Ebola virus, and severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2), investigations are still in their beginnings. As many inhibitors of sphingolipid metabolism are already in clinical use against other diseases, repurposing studies for applications in some viral infections appear to be a promising approach.
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Affiliation(s)
- Elita Avota
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Jochen Bodem
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Janice Chithelen
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Putri Mandasari
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Niklas Beyersdorf
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
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Schneider-Schaulies S, Schumacher F, Wigger D, Schöl M, Waghmare T, Schlegel J, Seibel J, Kleuser B. Sphingolipids: Effectors and Achilles Heals in Viral Infections? Cells 2021; 10:cells10092175. [PMID: 34571822 PMCID: PMC8466362 DOI: 10.3390/cells10092175] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/16/2021] [Accepted: 08/20/2021] [Indexed: 12/26/2022] Open
Abstract
As viruses are obligatory intracellular parasites, any step during their life cycle strictly depends on successful interaction with their particular host cells. In particular, their interaction with cellular membranes is of crucial importance for most steps in the viral replication cycle. Such interactions are initiated by uptake of viral particles and subsequent trafficking to intracellular compartments to access their replication compartments which provide a spatially confined environment concentrating viral and cellular components, and subsequently, employ cellular membranes for assembly and exit of viral progeny. The ability of viruses to actively modulate lipid composition such as sphingolipids (SLs) is essential for successful completion of the viral life cycle. In addition to their structural and biophysical properties of cellular membranes, some sphingolipid (SL) species are bioactive and as such, take part in cellular signaling processes involved in regulating viral replication. It is especially due to the progress made in tools to study accumulation and dynamics of SLs, which visualize their compartmentalization and identify interaction partners at a cellular level, as well as the availability of genetic knockout systems, that the role of particular SL species in the viral replication process can be analyzed and, most importantly, be explored as targets for therapeutic intervention.
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Affiliation(s)
- Sibylle Schneider-Schaulies
- Institute for Virology and Immunobiology, University of Wuerzburg, 97078 Würzburg, Germany; (S.S.-S.); (M.S.); (T.W.)
| | - Fabian Schumacher
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany; (F.S.); (D.W.)
| | - Dominik Wigger
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany; (F.S.); (D.W.)
| | - Marie Schöl
- Institute for Virology and Immunobiology, University of Wuerzburg, 97078 Würzburg, Germany; (S.S.-S.); (M.S.); (T.W.)
| | - Trushnal Waghmare
- Institute for Virology and Immunobiology, University of Wuerzburg, 97078 Würzburg, Germany; (S.S.-S.); (M.S.); (T.W.)
| | - Jan Schlegel
- Department for Biotechnology and Biophysics, University of Wuerzburg, 97074 Würzburg, Germany;
| | - Jürgen Seibel
- Department for Organic Chemistry, University of Wuerzburg, 97074 Würzburg, Germany;
| | - Burkhard Kleuser
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, 14195 Berlin, Germany; (F.S.); (D.W.)
- Correspondence: ; Tel.: +49-30-8386-9823
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Avota E, Bodem J, Chithelen J, Mandasari P, Beyersdorf N, Schneider-Schaulies J. The Manifold Roles of Sphingolipids in Viral Infections. Front Physiol 2021. [PMID: 34658908 DOI: 10.3389/fphys.2021.71552] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
Sphingolipids are essential components of eukaryotic cells. In this review, we want to exemplarily illustrate what is known about the interactions of sphingolipids with various viruses at different steps of their replication cycles. This includes structural interactions during entry at the plasma membrane or endosomal membranes, early interactions leading to sphingolipid-mediated signal transduction, interactions with internal membranes and lipids during replication, and interactions during virus assembly and budding. Targeted interventions in sphingolipid metabolism - as far as they can be tolerated by cells and organisms - may open novel possibilities to support antiviral therapies. Human immunodeficiency virus type 1 (HIV-1) infections have intensively been studied, but for other viral infections, such as influenza A virus (IAV), measles virus (MV), hepatitis C virus (HCV), dengue virus, Ebola virus, and severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2), investigations are still in their beginnings. As many inhibitors of sphingolipid metabolism are already in clinical use against other diseases, repurposing studies for applications in some viral infections appear to be a promising approach.
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Affiliation(s)
- Elita Avota
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Jochen Bodem
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Janice Chithelen
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Putri Mandasari
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Niklas Beyersdorf
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
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