2020
O-GlcNAc transferase inhibits visceral fat lipolysis and promotes diet-induced obesity
Yang Y, Fu M, Li MD, Zhang K, Zhang B, Wang S, Liu Y, Ni W, Ong Q, Mi J, Yang X. O-GlcNAc transferase inhibits visceral fat lipolysis and promotes diet-induced obesity. Nature Communications 2020, 11: 181. PMID: 31924761, PMCID: PMC6954210, DOI: 10.1038/s41467-019-13914-8.Peer-Reviewed Original ResearchMeSH KeywordsAcetylglucosamineAnimalsCell Line, TumorDietFastingGene DeletionHEK293 CellsHeLa CellsHomeostasisHumansIntra-Abdominal FatLipolysisMaleMiceMice, Inbred C3HMice, Inbred C57BLMice, KnockoutN-AcetylglucosaminyltransferasesObesityPerilipin-1PhosphorylationProtein Processing, Post-TranslationalSignal TransductionConceptsDiet-induced obesityVisceral fatExcessive visceral fat accumulationPerilipin 1Visceral fat accumulationVisceral fat lossTreatment of obesityPrimary risk factorAdipose tissue homeostasisUnhealthy obesityRisk factorsEnhanced lipolysisInhibits lipolysisFat accumulationO-GlcNAcylationFat lossObesityFat lipolysisRelated diseasesLipolysisInducible deletionLipid dropletsHexosamine biosynthetic pathwayFatTissue homeostasis
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