A Sustained Reduction in IκB-β May Contribute to Persistent NF-κB Activation in Human Endothelial Cells*
Johnson D, Douglas I, Jahnke A, Ghosh S, Pober J. A Sustained Reduction in IκB-β May Contribute to Persistent NF-κB Activation in Human Endothelial Cells*. Journal Of Biological Chemistry 1996, 271: 16317-16322. PMID: 8663191, DOI: 10.1074/jbc.271.27.16317.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceBinding SitesCell Adhesion MoleculesCell MembraneCell NucleusCells, CulturedConsensus SequenceCytosolDNADNA-Binding ProteinsEndothelium, VascularGene ExpressionHistocompatibility Antigens Class IHumansI-kappa B ProteinsIntercellular Adhesion Molecule-1Interleukin-1KineticsMolecular Sequence DataNF-kappa BOligodeoxyribonucleotidesTetradecanoylphorbol AcetateTumor Necrosis Factor-alphaUmbilical VeinsVascular Cell Adhesion Molecule-1ConceptsAdhesion molecule-1Vascular cell adhesion molecule-1Intercellular adhesion molecule-1Cell adhesion molecule-1Phorbol myristate acetateInterleukin-1alphaNF-kappaB activationMolecule-1Sustained reductionNF-kappaBEndothelial cellsIkappaB-alphaIkappaB-betaHuman endothelial cellsHuman leukocyte antigen (HLA) class INF-kappaB.Inhibitory protein IkappaB-alphaCell surface molecule expressionIkappaB-beta degradationPersistent NF-κB activationSurface molecule expressionAntigen class INF-κB activationIkappaB-beta levelsDe novo expression"Cytosolic" phospholipase A2 is in the nucleus of subconfluent endothelial cells but confined to the cytoplasm of confluent endothelial cells and redistributes to the nuclear envelope and cell junctions upon histamine stimulation.
Sierra-Honigmann MR, Bradley JR, Pober JS. "Cytosolic" phospholipase A2 is in the nucleus of subconfluent endothelial cells but confined to the cytoplasm of confluent endothelial cells and redistributes to the nuclear envelope and cell junctions upon histamine stimulation. Laboratory Investigation 1996, 74: 684-95. PMID: 8600319.Peer-Reviewed Original ResearchConceptsSubconfluent endothelial cellsConfluent endothelial cellsNuclear envelopeNuclear localizationConfocal immunofluorescence microscopyEndothelial cellsDose-dependent redistributionGrowth-arrested cellsSubcellular localizationCell density dependencePlasma membraneCell cycleCytoplasmic enzymeNuclear extractsCell junctionsPhospholipase A2 enzymeBovine endothelial cellsHeLa cellsImmunofluorescence microscopyCell lysatesCell nucleiIntercellular junctionsSubconfluent cellsPredominant MrAcid metabolism