2007
Phosphorylation of Irs1 at SER-522 Inhibits Insulin Signaling
Giraud J, Haas M, Feener E, Copps K, Dong X, Dunn S, White M. Phosphorylation of Irs1 at SER-522 Inhibits Insulin Signaling. Endocrinology 2007, 21: 2294-2302. PMID: 17579213, DOI: 10.1210/me.2007-0159.Peer-Reviewed Original ResearchConceptsTyrosine phosphorylationInsulin-stimulated tyrosine phosphorylationInsulin-stimulated IRS1 tyrosine phosphorylationIRS1 tyrosine phosphorylationInsulin-stimulated phosphorylationPhosphorylation of IRS1Threonine residuesMultisite phosphorylationPhosphorylation sitesPhosphoserine antibodyInhibits InsulinL6 myoblastsPhosphorylationCultured cellsIRS1Akt expressionPhosphatidylinositolFunctional effectsMass spectrometryPD98059WortmanninMyoblastsMyotubesRNASerine
1996
Tumor Necrosis Factor (TNF)-α Inhibits Insulin Signaling through Stimulation of the p55 TNF Receptor and Activation of Sphingomyelinase*
Peraldi P, Hotamisligil G, Buurman W, White M, Spiegelman B. Tumor Necrosis Factor (TNF)-α Inhibits Insulin Signaling through Stimulation of the p55 TNF Receptor and Activation of Sphingomyelinase*. Journal Of Biological Chemistry 1996, 271: 13018-13022. PMID: 8662983, DOI: 10.1074/jbc.271.22.13018.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAdipocytesAnimalsAntigens, CDCell LineCeramidesEnzyme ActivationHumansInsulinInsulin Receptor Substrate ProteinsMicePhosphoproteinsPhosphorylationReceptor, InsulinReceptors, Tumor Necrosis FactorReceptors, Tumor Necrosis Factor, Type ISignal TransductionSphingomyelin PhosphodiesteraseTumor Necrosis Factor-alphaTyrosineConceptsInsulin receptor substrate-1Myeloid 32D cellsInsulin receptorP55 TNF receptorP75 TNF receptorTyrosine phosphorylationInhibits InsulinIRS-2Insulin-dependent tyrosine phosphorylationTNF receptorIRS-1 tyrosine phosphorylationTNF-alphaIR tyrosine kinaseReceptor substrate-1Tyrosine kinase activityNecrosis factorActivation of sphingomyelinaseSerine phosphorylationBiological functionsKinase activitySubstrate-1Tyrosine kinaseExogenous sphingomyelinaseMurine TNF-alphaTumor necrosis factor