2022
A hypothalamic pathway for Augmentor α–controlled body weight regulation
Ahmed M, Kaur N, Cheng Q, Shanabrough M, Tretiakov EO, Harkany T, Horvath TL, Schlessinger J. A hypothalamic pathway for Augmentor α–controlled body weight regulation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2200476119. PMID: 35412887, PMCID: PMC9169862, DOI: 10.1073/pnas.2200476119.Peer-Reviewed Original ResearchConceptsParaventricular nucleusBody weightDiet-induced obesityBody weight regulationDiscrete neuronal populationsMelanocortin receptor 4Whole-body energy homeostasisPhysiological rolePeptide neuronsHypothalamic pathwaysReceptor 4Neuronal pathwaysPhysical activityLittermate controlsWeight regulationNeuronal populationsMetabolic diseasesTherapeutic opportunitiesMutant miceEnergy homeostasisMiceALKCancerHuman cancersALK mutants
2021
Drp1 is required for AgRP neuronal activity and feeding
Jin S, Yoon NA, Liu ZW, Song JE, Horvath TL, Kim JD, Diano S. Drp1 is required for AgRP neuronal activity and feeding. ELife 2021, 10: e64351. PMID: 33689681, PMCID: PMC7946429, DOI: 10.7554/elife.64351.Peer-Reviewed Original ResearchConceptsAgRP neuronal activityFatty acid oxidationAgRP neuronsNeuronal activityAgRP neuronal functionHypothalamic AgRP neuronsBody weight regulationMitochondrial fatty acid utilizationWhole-body energy homeostasisHypothalamic orexigenic agoutiFatty acid utilizationAcid oxidationFat massCKO miceNeuronal activationPeptide-1Body weightNeuronal functionOrexigenic agoutiEnergy homeostasisMitochondrial fissionSignificant decreaseEnergy expenditureNeuronsAcid utilization
2012
Leptin and insulin pathways in POMC and AgRP neurons that modulate energy balance and glucose homeostasis
Varela L, Horvath TL. Leptin and insulin pathways in POMC and AgRP neurons that modulate energy balance and glucose homeostasis. EMBO Reports 2012, 13: 1079-1086. PMID: 23146889, PMCID: PMC3512417, DOI: 10.1038/embor.2012.174.Peer-Reviewed Original ResearchConceptsGlucose homeostasisEnergy homeostasisPrevalence of obesityWhole-body energy homeostasisBody energy homeostasisAnorectic hormonesAgRP neuronsObese patientsProtein (AgRP) neuronsCentral effectsHypothalamic proopiomelanocortinBody weightInsulin actionLeptinHormonal actionMajor targetInsulin pathwayHomeostasisInsulinNeuronsHormoneBrainLatest findingsEnergy balanceSteady rise