2019
The GRA15 protein from Toxoplasma gondii enhances host defense responses by activating the interferon stimulator STING
Wang P, Li S, Zhao Y, Zhang B, Li Y, Liu S, Du H, Cao L, Ou M, Ye X, Li P, Gao X, Wang P, Jing C, Shao F, Yang G, You F. The GRA15 protein from Toxoplasma gondii enhances host defense responses by activating the interferon stimulator STING. Journal Of Biological Chemistry 2019, 294: 16494-16508. PMID: 31416833, PMCID: PMC6851339, DOI: 10.1074/jbc.ra119.009172.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDisease Models, AnimalHEK293 CellsHumansImmunity, InnateInterferon-gammaInterleukin-12 Subunit p35Membrane ProteinsMiceMice, Inbred C57BLMice, KnockoutNucleotidyltransferasesProtein MultimerizationProtozoan ProteinsSpleenSurvival RateToxoplasmaToxoplasmosisTumor Necrosis Factor Receptor-Associated Peptides and ProteinsUbiquitinationConceptsImmune responseCyclic GMP-AMP synthaseWT miceRobust innate immune responseCGAS-deficient miceHost immune responseInnate immune responseType I IFNCGAS/STING signalingInterferon-stimulated genesGMP-AMP synthaseInflammatory cytokinesNeurotropic pathogensGRA15Mouse modelSevere symptomsI IFNLatent infectionSTING signalingHigh mortalityMiceInfectionHost defense responsesStingsHost cells
2018
Foot-and-mouth disease virus capsid protein VP2 activates the cellular EIF2S1-ATF4 pathway and induces autophagy via HSPB1
Sun P, Zhang S, Qin X, Chang X, Cui X, Li H, Zhang S, Gao H, Wang P, Zhang Z, Luo J, Li Z. Foot-and-mouth disease virus capsid protein VP2 activates the cellular EIF2S1-ATF4 pathway and induces autophagy via HSPB1. Autophagy 2018, 14: 336-346. PMID: 29166823, PMCID: PMC5902195, DOI: 10.1080/15548627.2017.1405187.Peer-Reviewed Original ResearchConceptsCapsid protein VP2FMDV infectionProtein VP2Polyglutamine expansion proteinsMacroautophagy/autophagyMammalian cell linesPrecise molecular mechanismsFMDV capsid proteinsNatural host cellsInhibition of autophagyCloven-hoofed animalsAutophagy inductionMolecular mechanismsAutophagy processHost cellsAkt-mTORMouth disease virusCapsid proteinViral replicationAutophagyFMDV replicationHSPB1InfectionCell linesVP2