Beyond glucose: The crucial role of redox signaling in β-cell metabolic adaptation
Holendová B, Šalovská B, Benáková Š, Plecitá-Hlavatá L. Beyond glucose: The crucial role of redox signaling in β-cell metabolic adaptation. Metabolism 2024, 161: 156027. PMID: 39260557, DOI: 10.1016/j.metabol.2024.156027.Peer-Reviewed Original ResearchPost-translational modificationsReactive oxygen speciesEndoplasmic reticulumTricarboxylic acidRedox signalingPancreatic B-cellsGlucose stimulationModification of proteinsB-cell metabolismRedox signaling pathwaysReversible cysteine oxidationIncreased ROS levelsProduction of reactive oxygen speciesB cell functionInsulin secretionB cellsProtein functionProtein processingCysteine thiol modificationsGlucose-induced increaseOxidative phosphorylationPyruvate metabolismProtein activityRegulatory mechanismsMetabolic pathwaysGlucose Regulation of β-Cell KATP Channels: It Is Time for a New Model!
Merrins M, Kibbey R. Glucose Regulation of β-Cell KATP Channels: It Is Time for a New Model! Diabetes 2024, 73: 856-863. PMID: 38768366, PMCID: PMC11109790, DOI: 10.2337/dbi23-0032.Peer-Reviewed Original ResearchConceptsB-cell metabolismInsulin secretionEfficiency of mitochondrial ATP productionModel of glucose-stimulated insulin secretionGlucose-stimulated insulin secretionMitochondrial ATP productionNADPH productionGenetic evidenceInitial insulin secretionATP productionGlycolytic enzymesOXPHOSPyruvate kinaseATP/ADP ratioHealthy B cellsKATP channel closureB cellsDiabetes pathophysiologyGlycolysisStoichiometric yieldKATP channelsBioenergeticsATP/ADPMembrane depolarizationMetabolism
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