2022
316-OR: Genetic Deletion of Beta-Cell Pkm1, Pkm2, and Pck2 Identifies PEP as an Essential Signal for Compartmentalized KATP Closure and Cycling of the Insulin Secretory Pathway
FOSTER H, HO T, POTAPENKO E, CARDONE R, KIBBEY R, MERRINS M. 316-OR: Genetic Deletion of Beta-Cell Pkm1, Pkm2, and Pck2 Identifies PEP as an Essential Signal for Compartmentalized KATP Closure and Cycling of the Insulin Secretory Pathway. Diabetes 2022, 71 DOI: 10.2337/db22-316-or.Peer-Reviewed Original ResearchΒ-cell-specific deletionΒ-cell metabolismStrong genetic evidenceSense nutrientsNutrient-stimulated insulin secretionAppropriate insulin secretionSecretory pathwayPKM2 isoformGenetic evidenceInsulin secretory pathwayPKM isoformsPKM1PCK2Essential signalAmino acidsPKM2Pyruvate kinaseADP generationΒ-cell responseInitiation of Ca2Genetic deletionIsoform expressionΒ-cellsDeletionInsulin secretion
2018
Trajectories of changes in glucose tolerance in a multiethnic cohort of obese youths: an observational prospective analysis
Galderisi A, Giannini C, Weiss R, Kim G, Shabanova V, Santoro N, Pierpont B, Savoye M, Caprio S. Trajectories of changes in glucose tolerance in a multiethnic cohort of obese youths: an observational prospective analysis. The Lancet Child & Adolescent Health 2018, 2: 726-735. PMID: 30236381, PMCID: PMC6190831, DOI: 10.1016/s2352-4642(18)30235-9.Peer-Reviewed Original ResearchConceptsImpaired glucose toleranceNormal glucose toleranceOral disposition indexPersistent impaired glucose toleranceGlucose toleranceDisposition indexMultiethnic cohortObese adolescentsInsulin secretionObese youthBaseline normal glucose toleranceOral glucose tolerance testHigh-risk ethnic groupsStudy periodObservational prospective analysisPediatric obesity clinicAmerican Diabetes AssociationGlucose tolerance testAmerican Heart AssociationType 2 diabetesBody insulin sensitivityEthnic originΒ-cell responseΒ-cell functionBlack ethnic originRelationship between Baseline Phenotype and Measures of Insulin Sensitivity and Beta-Cell Responses in the GRADE Cohort
RASOULI N, COHEN R, DEFRONZO R, INZUCCHI S, ISMAIL-BEIGI F, KAHN S, UTZSCHNEIDER K, LACHIN J, YOUNES N. Relationship between Baseline Phenotype and Measures of Insulin Sensitivity and Beta-Cell Responses in the GRADE Cohort. Diabetes 2018, 67 DOI: 10.2337/db18-1822-p.Peer-Reviewed Original ResearchC-peptide responseBaseline phenotypic characteristicsDisposition indexInsulin sensitivityBoehringer Ingelheim PharmaceuticalsΒ-cell functionT2D durationJanssen PharmaceuticalsBristol-Myers Squibb CompanyNational Diabetes Education ProgramBoehringer Ingelheim GmbHBeta-cell responseType 2 diabetesΒ-cell responseDiabetes education programΒ-cell dysfunctionWaist circumferenceBlood InstituteKidney diseaseNational HeartAbbVie Inc.Grade cohortsCelgene CorporationDisease controlBaseline phenotype
2007
Analysis of compensatory β-cell response in mice with combined mutations of Insr and Irs2
Kim J, Kido Y, Scherer P, White M, Accili D. Analysis of compensatory β-cell response in mice with combined mutations of Insr and Irs2. AJP Endocrinology And Metabolism 2007, 292: e1694-e1701. PMID: 17299086, DOI: 10.1152/ajpendo.00430.2006.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAdiponectinAdipose TissueAnimalsAnimals, NewbornDiabetes MellitusGlucose Tolerance TestGrowth DisordersHyperinsulinismInsulinInsulin Receptor Substrate ProteinsInsulin ResistanceInsulin-Secreting CellsIntracellular Signaling Peptides and ProteinsLeptinLiverMiceMice, Inbred StrainsMice, KnockoutMuscle, SkeletalMutationOrgan SizeOsmolar ConcentrationPhosphatidylinositol 3-KinasesPhosphoproteinsProto-Oncogene Proteins c-aktReceptor, InsulinConceptsBeta-cell dysfunctionBeta-cell massInsulin resistanceInsulin secretionType 2 diabetes resultsCompensatory insulin secretionBeta-cell responseImpaired insulin actionType 2 diabetesΒ-cell responseBeta-cell growthBeta-cell physiologyDiabetes resultsInsulin levelsMetabolic controlInsulin actionProgressive deteriorationDiabetesRobust increaseDysfunctionCompensatory responseMiceSecretionComprehensive treatmentINSR
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