2024
Spatiotemporal control of subcellular O-GlcNAc signaling using Opto-OGT
Ong Q, Lim L, Goh C, Liao Y, Chan S, Lim C, Kam V, Yap J, Tseng T, Desrouleaux R, Wang L, Ler S, Lim S, Kim S, Sobota R, Bennett A, Han W, Yang X. Spatiotemporal control of subcellular O-GlcNAc signaling using Opto-OGT. Nature Chemical Biology 2024, 1-9. PMID: 39543398, DOI: 10.1038/s41589-024-01770-7.Peer-Reviewed Original ResearchO-GlcNAc transferaseO-GlcNAcLocalized to specific subcellular sitesResponse to insulin stimulationPost-translational modification of intracellular proteinsModification of intracellular proteinsO-GlcNAc signalingPost-translational modificationsTargeting O-GlcNAc transferaseSpatiotemporal controlMulticellular organismsOGT activityOrganelle functionO-GlcNAcylationSubcellular sitesMTORC activitySignal transductionIntracellular proteinsNutrient-sensing signalsCell signalingInsulin stimulationPlasma membraneGene expressionRegulatory mechanismsAkt phosphorylation
2018
Adipocyte OGT governs diet-induced hyperphagia and obesity
Li MD, Vera NB, Yang Y, Zhang B, Ni W, Ziso-Qejvanaj E, Ding S, Zhang K, Yin R, Wang S, Zhou X, Fang EX, Xu T, Erion DM, Yang X. Adipocyte OGT governs diet-induced hyperphagia and obesity. Nature Communications 2018, 9: 5103. PMID: 30504766, PMCID: PMC6269424, DOI: 10.1038/s41467-018-07461-x.Peer-Reviewed Original ResearchConceptsSerine/threonine residuesN-acetylglucosamine transferaseNutrient cuesThreonine residuesTranscriptional activationO-GlcNAcylationLipid desaturationIntracellular proteinsOGTHigh-fat diet-induced hyperphagiaDevelopment of obesityBaseline food intakeSignaling contributesLipid signalsCB1 signalingBrain axisChronic dysregulationFood intakeMetabolic diseasesPalatable foodPharmacological manipulationHyperphagiaObesityFat sensorSignaling