2024
Native architecture of a human GBP1 defense complex for cell-autonomous immunity to infection
Zhu S, Bradfield C, Maminska A, Park E, Kim B, Kumar P, Huang S, Kim M, Zhang Y, Bewersdorf J, MacMicking J. Native architecture of a human GBP1 defense complex for cell-autonomous immunity to infection. Science 2024, 383: eabm9903. PMID: 38422126, DOI: 10.1126/science.abm9903.Peer-Reviewed Original ResearchConceptsGuanylate-binding proteinsCaspase-4Surface of Gram-negative bacteriaGuanosine triphosphate hydrolysisImmunity to infectionInnate immunity to infectionCryo-electron tomographyGram-negative bacteriaImmunity proteinSignaling platformsMembrane insertionHuman cellsNative structureCombat infectionsLipopolysaccharide releaseGasdermin DExtended conformationLiving organismsProteinDefense complexCellsNative architectureGBP1BacteriaInfection
2015
Tumor Necrosis Factor (TNF) Receptor-associated Factor (TRAF)-interacting Protein (TRIP) Negatively Regulates the TRAF2 Ubiquitin-dependent Pathway by Suppressing the TRAF2-Sphingosine 1-Phosphate (S1P) Interaction*
Park E, Choi S, Shin B, Yu J, Yu J, Hwang J, Yun H, Chung Y, Choi J, Choi Y, Rho J. Tumor Necrosis Factor (TNF) Receptor-associated Factor (TRAF)-interacting Protein (TRIP) Negatively Regulates the TRAF2 Ubiquitin-dependent Pathway by Suppressing the TRAF2-Sphingosine 1-Phosphate (S1P) Interaction*. Journal Of Biological Chemistry 2015, 290: 9660-9673. PMID: 25716317, PMCID: PMC4392267, DOI: 10.1074/jbc.m114.609685.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesCytokinesGene ExpressionHEK293 CellsHeLa CellsHumansImmunoblottingLysineLysophospholipidsNF-kappa BProtein BindingReverse Transcriptase Polymerase Chain ReactionRNA InterferenceSignal TransductionSphingosineTNF Receptor-Associated Factor 2Tumor Necrosis Factor Receptor-Associated Peptides and ProteinsTumor Necrosis Factor-alphaUbiquitinUbiquitinationConceptsTRAF-interacting proteinTNFR-associated factor 2TNF-induced inflammatory responseE3 ubiquitin (Ub) ligase activityTNF receptor signaling complexE3 Ub ligasesUbiquitin-dependent pathwayCellular binding partnersMitogen-activated protein kinase activationNF-kB activationNegative regulator of proinflammatory cytokine productionProtein kinase activityDownstream signaling cascadesCell proliferationTNF receptorsUb ligasesTNFR signaling pathwayDown-regulation of proinflammatory cytokine productionLigase activityRING domainTumor necrosis factorProinflammatory cytokine productionAdaptor moleculeCellular processesRegulation of proinflammatory cytokine production