The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change Tracks

The innate immune response constitutes the cell’s first line of defense against viruses and culminates in the expression of type I interferon (IFN) and IFN-stimulated genes, inducing an antiviral state in infected and neighboring cells. Efficient signal transduction is a key factor for strong but co...

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Main Authors: Laura Weber, Gabrielle Vieyres
Format: Article
Language:English
Published: MDPI AG 2022-10-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/11/19/3149
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author Laura Weber
Gabrielle Vieyres
author_facet Laura Weber
Gabrielle Vieyres
author_sort Laura Weber
collection DOAJ
description The innate immune response constitutes the cell’s first line of defense against viruses and culminates in the expression of type I interferon (IFN) and IFN-stimulated genes, inducing an antiviral state in infected and neighboring cells. Efficient signal transduction is a key factor for strong but controlled type I IFN expression and depends on the compartmentalization of different steps of the signaling cascade and dynamic events between the involved compartments or organelles. This compartmentalization of the innate immune players not only relies on their association with membranous organelles but also includes the formation of supramolecular organizing centers (SMOCs) and effector concentration by liquid–liquid phase separation. For their successful replication, viruses need to evade innate defenses and evolve a multitude of strategies to impair type I IFN induction, one of which is the disruption of spatial immune signaling dynamics. This review focuses on the role of compartmentalization in ensuring an adequate innate immune response to viral pathogens, drawing attention to crucial translocation events occurring downstream of pattern recognition and leading to the expression of type I IFN. Furthermore, it intends to highlight concise examples of viral countermeasures interfering with this spatial organization to alleviate the innate immune response.
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spelling doaj.art-1d8ba3113ebf4d41875f078653f9023d2023-11-23T20:03:39ZengMDPI AGCells2073-44092022-10-011119314910.3390/cells11193149The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change TracksLaura Weber0Gabrielle Vieyres1Junior Research Group “Cell Biology of RNA Viruses”, Leibniz Institute of Virology, 20251 Hamburg, GermanyJunior Research Group “Cell Biology of RNA Viruses”, Leibniz Institute of Virology, 20251 Hamburg, GermanyThe innate immune response constitutes the cell’s first line of defense against viruses and culminates in the expression of type I interferon (IFN) and IFN-stimulated genes, inducing an antiviral state in infected and neighboring cells. Efficient signal transduction is a key factor for strong but controlled type I IFN expression and depends on the compartmentalization of different steps of the signaling cascade and dynamic events between the involved compartments or organelles. This compartmentalization of the innate immune players not only relies on their association with membranous organelles but also includes the formation of supramolecular organizing centers (SMOCs) and effector concentration by liquid–liquid phase separation. For their successful replication, viruses need to evade innate defenses and evolve a multitude of strategies to impair type I IFN induction, one of which is the disruption of spatial immune signaling dynamics. This review focuses on the role of compartmentalization in ensuring an adequate innate immune response to viral pathogens, drawing attention to crucial translocation events occurring downstream of pattern recognition and leading to the expression of type I IFN. Furthermore, it intends to highlight concise examples of viral countermeasures interfering with this spatial organization to alleviate the innate immune response.https://www.mdpi.com/2073-4409/11/19/3149innate immunitytype I interferonspatiotemporal organizationsubcellular compartmentalizationorganelleviral antagonism
spellingShingle Laura Weber
Gabrielle Vieyres
The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change Tracks
Cells
innate immunity
type I interferon
spatiotemporal organization
subcellular compartmentalization
organelle
viral antagonism
title The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change Tracks
title_full The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change Tracks
title_fullStr The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change Tracks
title_full_unstemmed The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change Tracks
title_short The Railmap of Type I Interferon Induction: Subcellular Network Plan and How Viruses Can Change Tracks
title_sort railmap of type i interferon induction subcellular network plan and how viruses can change tracks
topic innate immunity
type I interferon
spatiotemporal organization
subcellular compartmentalization
organelle
viral antagonism
url https://www.mdpi.com/2073-4409/11/19/3149
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