2025
Endoplasmic reticulum Nogo drives AgRP neuronal activation and feeding behavior
Jin S, Yoon N, Wei M, Worgall T, Rubinelli L, Horvath T, Min W, Diano N, di Lorenzo A, Diano S. Endoplasmic reticulum Nogo drives AgRP neuronal activation and feeding behavior. Cell Metabolism 2025, 37: 1400-1412.e8. PMID: 40334659, PMCID: PMC12136989, DOI: 10.1016/j.cmet.2025.04.005.Peer-Reviewed Original ResearchConceptsAgRP neuron activityNogo-AAgRP neuronsNeuronal activityCeramide levelsNogo-A expressionCellular lipid metabolismIntracellular lipid transportSphingolipid de novo biosynthesisDownregulation of enzymesIncreased ceramide levelsLipid metabolismHigh-fat diet-induced obesityFeeding behaviorAgouti-related proteinControl of feedingControlling lipid metabolismAssociated with brain developmentWhole-body metabolismFatty acid oxidationReticulon 4Food intakeMitochondrial functionSynaptic plasticityLipid transport
2007
Simultaneous deletion of ghrelin and its receptor increases motor activity and energy expenditure
Pfluger PT, Kirchner H, Günnel S, Schrott B, Perez-Tilve D, Fu S, Benoit SC, Horvath T, Joost HG, Wortley KE, Sleeman MW, Tschöp M. Simultaneous deletion of ghrelin and its receptor increases motor activity and energy expenditure. AJP Gastrointestinal And Liver Physiology 2007, 294: g610-g618. PMID: 18048479, DOI: 10.1152/ajpgi.00321.2007.Peer-Reviewed Original ResearchMeSH KeywordsAllelesAnimalsAnthropometryBlood GlucoseBody CompositionBody TemperatureBody WeightEatingEnergy MetabolismGene DeletionGenotypeGhrelinGlucose Tolerance TestInsulin ResistanceLigandsLipidsMiceMice, KnockoutMotor ActivityReceptors, GhrelinReverse Transcriptase Polymerase Chain ReactionRNA, MessengerConceptsFood intakeSimultaneous deletionStandard dietHigh-fat diet-induced obesityMotor activityWild-type control miceFirst mouse mutantsMetabolic phenotypeDiet-induced obesityEnergy metabolism phenotypesEnergy expenditureGene-deficient miceKnockout mice exhibitSingle gene-deficient miceSame genetic backgroundMost speciesWT miceControl miceStandard chowMolecular controlBody adiposityBiological roleLean massMouse mutantsMeal patterns
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