Hunger-promoting AgRP neurons trigger an astrocyte-mediated feed-forward auto-activation loop in mice
Varela L, Stutz B, Song JE, Kim JG, Liu ZW, Gao XB, Horvath TL. Hunger-promoting AgRP neurons trigger an astrocyte-mediated feed-forward auto-activation loop in mice. Journal Of Clinical Investigation 2021, 131 PMID: 33848272, PMCID: PMC8121506, DOI: 10.1172/jci144239.Peer-Reviewed Original ResearchConceptsAgRP neuronsHypothalamic feeding circuitsInhibitory neurotransmitter GABAGhrelin administrationInhibitory toneAstrocytic responseMetabolic milieuProstaglandin E2Neurotransmitter GABANeuronal controlSynaptic plasticityGlial processesNeuronsNeural excitationMitochondrial adaptationsFood deprivationAstrocytesPerikaryaFeeding circuitRegion crucialFeedingObesityGABAExcitabilityChemogenetics
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