2022
Noninvasive Quantitative PET Imaging in Humans of the Pancreatic Beta-Cell Mass Biomarkers VMAT2 and Dopamine D2/D3 Receptors In Vivo
Bini J, Carson R, Cline G. Noninvasive Quantitative PET Imaging in Humans of the Pancreatic Beta-Cell Mass Biomarkers VMAT2 and Dopamine D2/D3 Receptors In Vivo. Methods In Molecular Biology 2022, 2592: 61-74. PMID: 36507985, DOI: 10.1007/978-1-0716-2807-2_4.Peer-Reviewed Original ResearchConceptsPositron emission tomographyBeta-cell massFunctional beta-cell massDopamine D2/D3 receptorsD2/D3 receptorsBeta-cell lossType 2 diabetesEfficacy of therapeuticsQuantitative positron emission tomographyInsulin secretionDopamine receptorsD3 receptorsGlucose regulationPET radioligandEmission tomographyType 1Clinical usePET imagingReceptorsQuantitative PET imagingVMAT2Cellular transportersImagingVivoQuantitative imaging
2019
Adipsin preserves beta cells in diabetic mice and associates with protection from type 2 diabetes in humans
Gómez-Banoy N, Guseh JS, Li G, Rubio-Navarro A, Chen T, Poirier B, Putzel G, Rosselot C, Pabón MA, Camporez JP, Bhambhani V, Hwang SJ, Yao C, Perry RJ, Mukherjee S, Larson MG, Levy D, Dow LE, Shulman GI, Dephoure N, Garcia-Ocana A, Hao M, Spiegelman BM, Ho JE, Lo JC. Adipsin preserves beta cells in diabetic mice and associates with protection from type 2 diabetes in humans. Nature Medicine 2019, 25: 1739-1747. PMID: 31700183, PMCID: PMC7256970, DOI: 10.1038/s41591-019-0610-4.Peer-Reviewed Original ResearchConceptsType 2 diabetesBody mass indexBeta cellsDiabetic miceInsulin secretagoguesDiabetic db/db miceDb/db micePancreatic beta-cell massBeta cell healthBeta-cell failureBeta-cell lossBeta-cell massComplement components C3aMiddle-aged adultsHuman islet cellsAlternative complement pathwayComplement factor DFuture diabetesMass indexInsulin levelsDb miceInsulin resistanceLower riskType 2Cell loss
2008
Genetic Deficiency of Glycogen Synthase Kinase-3β Corrects Diabetes in Mouse Models of Insulin Resistance
Tanabe K, Liu Z, Patel S, Doble B, Li L, Cras-Méneur C, Martinez S, Welling C, White M, Bernal-Mizrachi E, Woodgett J, Permutt M. Genetic Deficiency of Glycogen Synthase Kinase-3β Corrects Diabetes in Mouse Models of Insulin Resistance. PLOS Biology 2008, 6: e37. PMID: 18288891, PMCID: PMC2245985, DOI: 10.1371/journal.pbio.0060037.Peer-Reviewed Original ResearchConceptsBeta-cell massIrs2-/- miceInsulin resistanceMouse modelType 2 diabetes mellitusObese insulin-resistant individualsWhole-body glucose disposalOnset of diabetesPdx1 levelsBeta-cell functionBeta-cell lossInsulin-resistant individualsBeta-cell replicationGSK-3betaBeta-cell proliferationInsulin receptor substrate 2Cyclin-dependent kinase inhibitorDiabetes mellitusDiabetes onsetEarly diabetesPI-3K/Akt pathwayGlucose disposalGSK-3beta activityDiabetesInsulin action
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
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