2022
TET3 epigenetically controls feeding and stress response behaviors via AGRP neurons
Xie D, Stutz B, Li F, Chen F, Lv H, Sestan-Pesa M, Catarino J, Gu J, Zhao H, Stoddard CE, Carmichael GG, Shanabrough M, Taylor HS, Liu ZW, Gao XB, Horvath TL, Huang Y. TET3 epigenetically controls feeding and stress response behaviors via AGRP neurons. Journal Of Clinical Investigation 2022, 132: e162365. PMID: 36189793, PMCID: PMC9525119, DOI: 10.1172/jci162365.Peer-Reviewed Original ResearchConceptsAgRP neuronsNeuropeptide YExpression of AgRPControl of feedingHypothalamic agoutiAnxiolytic effectsNeurotransmitter GABAMouse modelLeptin signalingStress-like behaviorsGenetic ablationNeuronsAgRPCritical central regulatorsEnergy expenditureGABAEnergy metabolismAppetiteFeedingCentral regulatorMetabolismCentral controlHuman cellsTET3ObesityLINE-1 activation in the cerebellum drives ataxia
Takahashi T, Stoiljkovic M, Song E, Gao XB, Yasumoto Y, Kudo E, Carvalho F, Kong Y, Park A, Shanabrough M, Szigeti-Buck K, Liu ZW, Kristant A, Zhang Y, Sulkowski P, Glazer PM, Kaczmarek LK, Horvath TL, Iwasaki A. LINE-1 activation in the cerebellum drives ataxia. Neuron 2022, 110: 3278-3287.e8. PMID: 36070749, PMCID: PMC9588660, DOI: 10.1016/j.neuron.2022.08.011.Peer-Reviewed Original ResearchConceptsLINE-1 activationL1 activationAtaxia telangiectasia patientsNuclear element-1Transposable elementsEpigenetic silencersHuman genomeL1 promoterMolecular regulatorsDNA damagePurkinje cell dysfunctionElement 1First direct evidenceTelangiectasia patientsDirect targetingCerebellar expressionNeurodegenerative diseasesDisease etiologyCalcium homeostasis
2020
AgRP neurons control compulsive exercise and survival in an activity-based anorexia model
Miletta MC, Iyilikci O, Shanabrough M, Šestan-Peša M, Cammisa A, Zeiss CJ, Dietrich MO, Horvath TL. AgRP neurons control compulsive exercise and survival in an activity-based anorexia model. Nature Metabolism 2020, 2: 1204-1211. PMID: 33106687, DOI: 10.1038/s42255-020-00300-8.Peer-Reviewed Original ResearchConceptsAgRP neuronsActivity-based anorexia modelAgRP neuronal activityVivo fiber photometryFood-restricted miceFood-restricted animalsCompulsive exerciseAnorexia modelHypothalamic agoutiNeuropeptide YExercise volumeFood intakeMouse modelNeuronal activityFiber photometryDaily activationNeuronal circuitsPsychiatric conditionsAnorexia nervosaChemogenetic toolsNeuronsLong-term behavioral impactElevated fat contentVoluntary cessationFat content
2017
Ghrelin is Related to Personality Differences in Reward Sensitivity and Impulsivity
Ralevski E, Shanabrough M, Newcomb J, Gandelman E, Hayden R, Horvath TL, Petrakis I. Ghrelin is Related to Personality Differences in Reward Sensitivity and Impulsivity. Alcohol And Alcoholism 2017, 53: 52-56. PMID: 29136100, DOI: 10.1093/alcalc/agx082.Peer-Reviewed Original ResearchConceptsAspects of impulsivityTraits of impulsivityHealthy social drinkersSocial drinkersReward sensitivityImpulsivity traitsPersonality measuresPersonality differencesImpulsivityDrugs of abusePersonality characteristicsSubjective effectsDirect relationshipHigh levelsDrinkersFeeding-related peptidesPunishmentFirst studyIndividualsTraitsSecondary analysisParticipantsAbuseRelationshipOriginal studyGhrelin is Supressed by Intravenous Alcohol and is Related to Stimulant and Sedative Effects of Alcohol
Ralevski E, Horvath TL, Shanabrough M, Hayden R, Newcomb J, Petrakis I. Ghrelin is Supressed by Intravenous Alcohol and is Related to Stimulant and Sedative Effects of Alcohol. Alcohol And Alcoholism 2017, 52: 431-438. PMID: 28481974, DOI: 10.1093/alcalc/agx022.Peer-Reviewed Original ResearchConceptsGhrelin levelsDoses of alcoholHealthy social drinkersSubjective effectsTG levelsAlcohol infusionSedative effectsLow doseHigh doseOral alcohol administrationIntravenous alcohol infusionFeeding-related peptidesSocial drinkersAlcohol administrationIntravenous alcoholOral alcoholGhrelinPercent changeInfusionRewarding propertiesBehavioral effectsAlcohol effectsDoseTime pointsSignificant predictors
2010
Fgfr2 Is Required for the Development of the Medial Prefrontal Cortex and Its Connections with Limbic Circuits
Stevens HE, Smith KM, Maragnoli ME, Fagel D, Borok E, Shanabrough M, Horvath TL, Vaccarino FM. Fgfr2 Is Required for the Development of the Medial Prefrontal Cortex and Its Connections with Limbic Circuits. Journal Of Neuroscience 2010, 30: 5590-5602. PMID: 20410112, PMCID: PMC2868832, DOI: 10.1523/jneurosci.5837-09.2010.Peer-Reviewed Original ResearchConceptsMedial prefrontal cortexCerebral cortexFibroblast growth factor receptorCKO miceExcitatory neuronsPrefrontal cortexCortical neuron developmentEntire cerebral cortexRadial glial cellsSpecific fibroblast growth factor receptorsGrowth factor receptorGABAergic neuronsLimbic circuitsCortical neuronsGlial cellsSubcortical stationsBed nucleusCortical developmentLimbic systemStria terminalisSynaptic terminalsSecondary decreaseNeuronal precursorsVentricular zoneNeuron development