microRNA-33 controls hunger signaling in hypothalamic AgRP neurons
Price N, Fernández-Tussy P, Varela L, Cardelo M, Shanabrough M, Aryal B, de Cabo R, Suárez Y, Horvath T, Fernández-Hernando C. microRNA-33 controls hunger signaling in hypothalamic AgRP neurons. Nature Communications 2024, 15: 2131. PMID: 38459068, PMCID: PMC10923783, DOI: 10.1038/s41467-024-46427-0.Peer-Reviewed Original ResearchConceptsAgRP neuronsFeeding behaviorFatty acid metabolismNon-coding RNAsMitochondrial biogenesisRegulatory pathwaysTarget genesHypothalamic AgRP neuronsExcessive nutrient intakeCentral regulatorBioenergetic processesAcid metabolismActivation of AgRP neuronsModulate feeding behaviorCentral regulation of feeding behaviorRegulation of feeding behaviorMiR-33Hunger signalsMicroRNA-33Metabolic diseasesAlternative therapeutic approachLoss of miR-33Mouse modelMetabolic dysfunctionRegulationReciprocal activity of AgRP and POMC neurons governs coordinated control of feeding and metabolism
De Solis A, Del Río-Martín A, Radermacher J, Chen W, Steuernagel L, Bauder C, Eggersmann F, Morgan D, Cremer A, Sué M, Germer M, Kukat C, Vollmar S, Backes H, Rahmouni K, Kloppenburg P, Brüning J. Reciprocal activity of AgRP and POMC neurons governs coordinated control of feeding and metabolism. Nature Metabolism 2024, 6: 473-493. PMID: 38378998, PMCID: PMC10963273, DOI: 10.1038/s42255-024-00987-z.Peer-Reviewed Original ResearchInhibition of POMC neuronsPOMC neuronsFood intakeAgRP neuronsEffects of Agrp neuron activationActivation of AgRP neuronsActivating AgRP neuronsActivation of AgRPInhibit POMC neuronsProopiomelanocortin (POMC)-expressing neuronsAgRP neuron activityNucleus tractus solitariiRegulate food intakePromote food consumptionSystemic insulin sensitivityControl of feedingParaventricular nucleusTractus solitariiNeuronal inhibitionTH+ neuronsFemale miceChemogenetic receptorsNeuronal activityAgRPInsulin sensitivity
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