2002
SOCS-1 and SOCS-3 Block Insulin Signaling by Ubiquitin-mediated Degradation of IRS1 and IRS2*
Rui L, Yuan M, Frantz D, Shoelson S, White M. SOCS-1 and SOCS-3 Block Insulin Signaling by Ubiquitin-mediated Degradation of IRS1 and IRS2*. Journal Of Biological Chemistry 2002, 277: 42394-42398. PMID: 12228220, DOI: 10.1074/jbc.c200444200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarrier ProteinsElonginGlucoseHomeostasisHumansInsulin Receptor Substrate ProteinsInsulin ResistanceIntracellular Signaling Peptides and ProteinsMaleMiceMice, Inbred C57BLPhosphoproteinsProteinsRepressor ProteinsSuppressor of Cytokine Signaling 1 ProteinSuppressor of Cytokine Signaling 3 ProteinSuppressor of Cytokine Signaling ProteinsTranscription FactorsUbiquitinConceptsUbiquitin ligase complexCritical signaling moleculesIRS2 protein levelsDegradation of IRS1Multiple cell typesIRS proteinsSOCS boxSOCS proteinsNutrient homeostasisUbiquitin ligaseSignaling moleculesInflammation-induced insulin resistanceInsulin signalingSOCS-1Expression of SOCS1Cell typesSubsequent degradationHepatic Irs1IRS1IRS2General mechanismUbiquitinationProtein levelsSOCS1Mutants
1998
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. DOI: 10.1210/en.139.12.4881.Peer-Reviewed Original ResearchIRS-2 tyrosine phosphorylationInsulin receptor substrate-2PI 3-K inhibitorsPI-3KTyrosine phosphorylationMitogen-activated protein kinase activationProtein kinase activityPhosphorylation of insulin receptor substrate-2Kinase activityAssociation of Grb2SH-SY5YSH-SY5Y human neuroblastoma cellsNeurite outgrowthPhosphatidylinositol 3-kinasePhosphatidylinositol 3-kinase inhibitorDownstream signaling moleculesSurvival of neuronal cellsHuman neuroblastoma cellsSerine/threonine phosphorylationIRS-1Negative regulatorGrb2Signaling moleculesDifferential regulationPhosphorylation