2022
AgRP neurons control feeding behaviour at cortical synapses via peripherally derived lysophospholipids
Endle H, Horta G, Stutz B, Muthuraman M, Tegeder I, Schreiber Y, Snodgrass IF, Gurke R, Liu ZW, Sestan-Pesa M, Radyushkin K, Streu N, Fan W, Baumgart J, Li Y, Kloss F, Groppa S, Opel N, Dannlowski U, Grabe HJ, Zipp F, Rácz B, Horvath TL, Nitsch R, Vogt J. AgRP neurons control feeding behaviour at cortical synapses via peripherally derived lysophospholipids. Nature Metabolism 2022, 4: 683-692. PMID: 35760867, PMCID: PMC9940119, DOI: 10.1038/s42255-022-00589-7.Peer-Reviewed Original ResearchConceptsFasting-induced hyperphagiaCortical excitabilityAgRP neuronsLysophosphatidic acidPeripheral metabolismHigher body mass indexFasting-induced elevationHypothalamic AgRP neuronsEffects of LPABody mass indexHigher cortical excitabilityBrain lipid levelsCentral nervous systemPrevalence of typeGlutamatergic transmissionHypothalamic agoutiMass indexOvernight fastingPeptide neuronsCortical synapsesLipid levelsFood intakeCerebrospinal fluidNervous systemPhospholipid levelsA 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
2014
Neonatal Insulin Action Impairs Hypothalamic Neurocircuit Formation in Response to Maternal High-Fat Feeding
Vogt MC, Paeger L, Hess S, Steculorum SM, Awazawa M, Hampel B, Neupert S, Nicholls HT, Mauer J, Hausen AC, Predel R, Kloppenburg P, Horvath TL, Brüning JC. Neonatal Insulin Action Impairs Hypothalamic Neurocircuit Formation in Response to Maternal High-Fat Feeding. Cell 2014, 156: 495-509. PMID: 24462248, PMCID: PMC4101521, DOI: 10.1016/j.cell.2014.01.008.Peer-Reviewed Original ResearchConceptsPOMC neuronsMaternal high-fat diet (HFD) feedingOrexigenic agouti-related peptide (AgRP) neuronsHealth outcomesMaternal high-fat feedingHigh-fat diet feedingImpaired glucose-stimulated insulin secretionMaternal HFD feedingGlucose-stimulated insulin secretionImpaired glucose homeostasisOffspring health outcomesHigh-fat feedingPOMC projectionsParasympathetic innervationHFD feedingMaternal overnutritionPeptide neuronsAbnormal insulinAnorexigenic proopiomelanocortinParaventricular nucleusDiet feedingInsulin secretionMelanocortin circuitryNeuropeptide expressionLong-term effects