Author: Eaglesham, James B.; Kranzusch, Philip J.
Title: Conserved strategies for pathogen evasion of cGAS-STING immunity Cord-id: adozx344 Document date: 2020_4_15
ID: adozx344
Snippet: Abstract The cGAS-STING pathway of cytosolic DNA sensing allows mammalian cells to detect and respond to infection with diverse pathogens. Pathogens in turn encode numerous factors that inhibit nearly all steps of cGAS-STING signal transduction. From masking of cytosolic DNA ligands, to post-translational modification of cGAS and STING, and degradation of the nucleotide second messenger 2′3′-cGAMP, pathogens have evolved convergent mechanisms to evade cGAS-STING sensing. Here we examine path
Document: Abstract The cGAS-STING pathway of cytosolic DNA sensing allows mammalian cells to detect and respond to infection with diverse pathogens. Pathogens in turn encode numerous factors that inhibit nearly all steps of cGAS-STING signal transduction. From masking of cytosolic DNA ligands, to post-translational modification of cGAS and STING, and degradation of the nucleotide second messenger 2′3′-cGAMP, pathogens have evolved convergent mechanisms to evade cGAS-STING sensing. Here we examine pathogen inhibitors of innate immunity in the context of newly discovered regulatory features controlling cellular cGAS-STING activation. Comparative analysis of these strategies provides insight into mechanisms of action and suggests aspects of cGAS-STING regulation and immune evasion that remain to be discovered.
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