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