2005
Exendin-4 Uses Irs2 Signaling to Mediate Pancreatic β Cell Growth and Function*
Park S, Dong X, Fisher T, Dunn S, Omer A, Weir G, White M. Exendin-4 Uses Irs2 Signaling to Mediate Pancreatic β Cell Growth and Function*. Journal Of Biological Chemistry 2005, 281: 1159-1168. PMID: 16272563, DOI: 10.1074/jbc.m508307200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlood GlucoseCell LineCell SurvivalCyclic AMPDose-Response Relationship, DrugElectrophoresis, Polyacrylamide GelExenatideGenotypeGlucagon-Like Peptide-1 ReceptorGlucoseGuinea PigsHumansHyperglycemiaImmunoblottingImmunohistochemistryImmunoprecipitationInsulinInsulin Receptor Substrate ProteinsInsulin SecretionInsulin-Secreting CellsIntracellular Signaling Peptides and ProteinsIslets of LangerhansMiceMice, TransgenicModels, BiologicalModels, ChemicalPancreasPeptidesPhosphoproteinsPhosphorylationReceptor, InsulinReceptors, GlucagonReverse Transcriptase Polymerase Chain ReactionRNA, MessengerRNA, Small InterferingSignal TransductionTime FactorsVenomsConceptsGlucagon-like peptide-1 receptor agonistsPeptide-1 receptor agonistsReceptor agonistExendin-4Beta cellsProgressive beta cell lossShort-term therapeutic effectsInsulin-like growth factorBeta-cell lossProgression of diabetesBeta-cell massBeta-cell replicationBeta-cell growthPancreatic β-cell growthΒ-cell growthIrs2 branchPrevents diabetesInsulin/insulin-like growth factorCell growthInsulin secretionTherapeutic effectIRS2 expressionLong-term effectsFatal diabetesCell loss
2003
Upregulation of insulin receptor substrate-2 in pancreatic β cells prevents diabetes
Hennige A, Burks D, Ozcan U, Kulkarni R, Ye J, Park S, Schubert M, Fisher T, Dow M, Leshan R, Zakaria M, Mossa-Basha M, White M. Upregulation of insulin receptor substrate-2 in pancreatic β cells prevents diabetes. Journal Of Clinical Investigation 2003, 112: 1521-1532. PMID: 14617753, PMCID: PMC259126, DOI: 10.1172/jci18581.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisCell SizeDiabetes Mellitus, ExperimentalDiabetes Mellitus, Type 2Dietary FatsGene Expression RegulationHumansInsulinInsulin Receptor Substrate ProteinsInsulin-Like Growth Factor IIntracellular Signaling Peptides and ProteinsIslets of LangerhansIslets of Langerhans TransplantationMaleMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicPhosphoproteinsReceptor, InsulinSignal TransductionSurvival RateUp-RegulationConceptsPancreatic beta-cell functionPeripheral insulin actionBeta-cell failureBeta-cell functionType 2 diabetesIrs2-/- miceInsulin receptor substrate 2Beta-cell growthBeta cell-specific expressionPrevents diabetesObese miceTransgenic isletsInsulin secretionWT isletsIRS2 expressionPharmacological approachesBeta cellsPhysiologic responsesInsulin actionRational treatmentDiabetesInsulin/IGFCell functionMiceCell-specific expression