2024
Kisspeptin signaling in astrocytes modulates the reproductive axis
Torres E, Pellegrino G, Granados-Rodríguez M, Fuentes-Fayos A, Velasco I, Coutteau-Robles A, Legrand A, Shanabrough M, Perdices-Lopez C, Leon S, Yeo S, Manchishi S, Sánchez-Tapia M, Navarro V, Pineda R, Roa J, Naftolin F, Argente J, Luque R, Chowen J, Horvath T, Prevot V, Sharif A, Colledge W, Tena-Sempere M, Romero-Ruiz A. Kisspeptin signaling in astrocytes modulates the reproductive axis. Journal Of Clinical Investigation 2024, 134: e172908. PMID: 38861336, PMCID: PMC11291270, DOI: 10.1172/jci172908.Peer-Reviewed Original ResearchResponse to metabolic stressProtein-protein interactionsMetabolic stressOntology analysisReproductive axisKisspeptin signalingGene expressionKisspeptin actionHypothalamic GnRH neuronsProteomic profilingFemale pubertal onsetReproductive modulesExpression of KISS1RLH secretory profilesSignaling-pathwayCellular co-expressionConditional ablationResponse to kisspeptinLH responses to kisspeptinNon-neuronal pathwaysAstrocytes in vivoHigh-fat dietGFAP-positive cellsPathwayReproductive control
2010
Synaptic input organization of the melanocortin system predicts diet-induced hypothalamic reactive gliosis and obesity
Horvath TL, Sarman B, García-Cáceres C, Enriori PJ, Sotonyi P, Shanabrough M, Borok E, Argente J, Chowen JA, Perez-Tilve D, Pfluger PT, Brönneke HS, Levin BE, Diano S, Cowley MA, Tschöp MH. Synaptic input organization of the melanocortin system predicts diet-induced hypothalamic reactive gliosis and obesity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 14875-14880. PMID: 20679202, PMCID: PMC2930476, DOI: 10.1073/pnas.1004282107.Peer-Reviewed Original ResearchConceptsHigh-fat dietSynaptic input organizationReactive gliosisPOMC neuronsDIO ratsDR ratsArcuate nucleusMelanocortin systemPOMC cellsNeuropeptide Y cellsInput organizationLoss of synapsesDiet-induced obesityBlood-brain barrierHFD-fed animalsDIO animalsAnorexigenic proopiomelanocortinGlial ensheathmentSynaptic organizationInhibitory inputsLean ratsDR animalsNeuronal circuitsCell bodiesGliosis