2020
DOI: 10.1126/sciadv.aay1109
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Protein modification with ISG15 blocks coxsackievirus pathology by antiviral and metabolic reprogramming

Abstract: Protein modification with ISG15 (ISGylation) represents a major type I IFN–induced antimicrobial system. Common mechanisms of action and species-specific aspects of ISGylation, however, are still ill defined and controversial. We used a multiphasic coxsackievirus B3 (CV) infection model with a first wave resulting in hepatic injury of the liver, followed by a second wave culminating in cardiac damage. This study shows that ISGylation sets nonhematopoietic cells into a resistant state, being indispensable for C… Show more

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Cited by 33 publications
(69 citation statements)
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“…4H-I). As a third ISG15- sensitive viral pathogen we tested CVB3, a Picornavirus that can lead to cardiomyopathy and that is known to be ISG15-sensitive 11,12 (Supplementary Fig. 7B).…”
Section: Resultsmentioning
confidence: 99%
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“…4H-I). As a third ISG15- sensitive viral pathogen we tested CVB3, a Picornavirus that can lead to cardiomyopathy and that is known to be ISG15-sensitive 11,12 (Supplementary Fig. 7B).…”
Section: Resultsmentioning
confidence: 99%
“…The absence of RNF213 protein expression was confirmed by immunoblotting. The ISG15 knockout HeLa cell line was generated as previously described (Kespohl et al, 2020).…”
Section: Generation Of Knockout Cell Linesmentioning
confidence: 99%
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“…In A/J mice, where the severe CV-triggered pathology is primarily attributed to a sepsis-like cytokine storm and distributive shock condition, ip activity is on the whole detrimental [ 2 ]. Unlike C57BL/6 mice [ 28 ], A/J mice can also be used as a model organism to investigate troponin I-directed cardiac autoimmunity [ 20 ]. AM is known to be triggered by viral infection [ 46 ] or by therapy with immune checkpoint inhibitors (ICI) targeting, e.g., the PD-1/PD-1L pathway [ 25 ], with ICI-related myocarditis being a severe, if rare, side effect in cancer immunotherapy [ 12 ].…”
Section: Discussionmentioning
confidence: 99%
“…ISGylation induced anti-viral in non-hematopoietic cells during Coxsackievirus B3 (CVB3) infection. The authors suggest that ISG conjugation to anti-viral effectors IFIT1 and IFIT3 blocks ubiquitination-dependent degradation and stabilizes these proteins leading to an enhanced anti-viral response ( Figure 2 ) [ 60 ]. CVB3 encodes a protease (2APro) that mediates host cell translational shut off by cleavage of eukaryotic translation factor 4γ1 (eIF4G1), which binds to RNA cap involved in cap-dependent translation.…”
Section: Protein-based Ptmsmentioning
confidence: 99%