Differential Regulation of Insulin Receptor Substrate-2 and Mitogen-Activated Protein Kinase Tyrosine Phosphorylation by Phosphatidylinositol 3-Kinase Inhibitors in SH-SY5Y Human Neuroblastoma Cells*This work was supported by NIH Grants R29-NS-32843 and R01-NS-36778, grants from the American Diabetes Association and Juvenile Diabetes Foundation (to E.L.F.), and a grant from the Millie Schembechler Adrenal Research Fund of the University of Michigan Comprehensive Cancer Center (to E.L.F. and P.S.L.).
Kim B, Leventhal P, White M, Feldman E. Differential Regulation of Insulin Receptor Substrate-2 and Mitogen-Activated Protein Kinase Tyrosine Phosphorylation by Phosphatidylinositol 3-Kinase Inhibitors in SH-SY5Y Human Neuroblastoma Cells*This work was supported by NIH Grants R29-NS-32843 and R01-NS-36778, grants from the American Diabetes Association and Juvenile Diabetes Foundation (to E.L.F.), and a grant from the Millie Schembechler Adrenal Research Fund of the University of Michigan Comprehensive Cancer Center (to E.L.F. and P.S.L.). Endocrinology 1998, 139: 4881-4889. PMID: 9832424, DOI: 10.1210/endo.139.12.6348.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdaptor Proteins, Vesicular TransportCalcium-Calmodulin-Dependent Protein KinasesElectrophoresis, Polyacrylamide GelEnzyme InhibitorsGRB2 Adaptor ProteinHumansInsulin Receptor Substrate ProteinsInsulin-Like Growth Factor IIntracellular Signaling Peptides and ProteinsIsoenzymesMitogen-Activated Protein Kinase 1NeuritesNeuroblastomaPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphoproteinsPhosphorylationProteinsShc Signaling Adaptor ProteinsSrc Homology 2 Domain-Containing, Transforming Protein 1Tumor Cells, CulturedTyrosineConceptsInsulin receptor substrate 2IRS-2 tyrosine phosphorylationMitogen-activated protein kinase activationTyrosine phosphorylationProtein kinase activationKinase activationSerine/threonine phosphorylationSubstrate 2Association of Grb2Neurite outgrowthSH-SY5Y human neuroblastomaThreonine phosphorylationNegative regulationSH-SY5Y human neuroblastoma cellsIRS-1Grb2Nervous system growthDifferential regulationPhosphorylationHuman neuroblastoma cellsNeuronal cellsPhosphatidylinositolPI 3Concentration-dependent mannerInsulin-like growth factor I