2018
Neuropeptidergic modulation of GnRH neuronal activity and GnRH secretion controlling reproduction: insights from recent mouse studies
Spergel DJ. Neuropeptidergic modulation of GnRH neuronal activity and GnRH secretion controlling reproduction: insights from recent mouse studies. Cell And Tissue Research 2018, 375: 179-191. PMID: 30078104, DOI: 10.1007/s00441-018-2893-z.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsGnRH neuronsGnRH secretionGnRH neuronal activityGnRH neuronal firingRecent mouse studiesHormone secretionNeuronal activityNeuronal firingNeuropeptidergic modulationMouse studiesCognate receptorsNeuropeptidesNeuronsSecretionMammalian reproductionReproduction-related processesGonadotropinModulationMiceReceptors
2012
Kisspeptin Inhibits High-Voltage Activated Ca2+ Channels in GnRH Neurons via Multiple Ca2+ Influx and Release Pathways
Zhang XB, Spergel DJ. Kisspeptin Inhibits High-Voltage Activated Ca2+ Channels in GnRH Neurons via Multiple Ca2+ Influx and Release Pathways. Neuroendocrinology 2012, 96: 68-80. PMID: 22343183, DOI: 10.1159/000335985.Peer-Reviewed Original ResearchConceptsGnRH neuronsGnRH-green fluorescent protein transgenic miceG protein-coupled receptor 54Phospholipase C inhibitor edelfosineWhole-cell patch-clamp recordingsGonadotropin-releasing hormone (GnRH) secretionCanonical transient receptor potential (TRPC) channelsTransient receptor potential channelsRyR agonist caffeinePatch-clamp recordingsChelation of intracellularVGCC activityReceptor 54Kisspeptin-10Hormone secretionPeptide 234KP-10Antagonist caffeineBrain slicesSubsequent fertilityTransgenic miceTRPC channelsNeuronsDependent inhibitionCytoplasmic free
1995
L-Type Ca2+ Channels Mediate Joint Modulation by Gamma-Amino-butyric Acid and Glutamate of [Ca2+]i and Neuropeptide Secretion in Immortalized Gonadodropin-Releasing Hormone Neurons
Spergel D, Krsmanovic L, Stojilkovic S, Catt K. L-Type Ca2+ Channels Mediate Joint Modulation by Gamma-Amino-butyric Acid and Glutamate of [Ca2+]i and Neuropeptide Secretion in Immortalized Gonadodropin-Releasing Hormone Neurons. Neuroendocrinology 1995, 61: 499-508. PMID: 7617127, DOI: 10.1159/000126873.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidReceptor antagonistReceptor agonistSecretory responseGonadotropin-releasing hormone (GnRH) secretionGlutamate-induced Ca2GnRH secretory responseImmortalized GnRH neuronsGABAB receptor antagonistGABAA receptor antagonistGABAB receptor agonistGABAA receptor agonistL-type Ca2GT1-7 neuronsHormone neuronsGnRH neuronsRole of calciumHormone secretionGamma-AminoNeuropeptide secretionAgonist concentrationsCytoplasmic calciumNeuronsFree mediumGlutamate
1994
Glutamate Modulates [Ca2+]i and Gonadotropin-Releasing Hormone Secretion in Immortalized Hypothalamic GT1-7 Neurons
Spergel D, Krsmanovic L, Stojilkovic S, Catt K. Glutamate Modulates [Ca2+]i and Gonadotropin-Releasing Hormone Secretion in Immortalized Hypothalamic GT1-7 Neurons. Neuroendocrinology 1994, 59: 309-317. PMID: 7911229, DOI: 10.1159/000126672.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalciumCells, CulturedCycloleucineExcitatory Amino Acid AntagonistsFura-2GlutamatesGlutamic AcidGonadotropin-Releasing HormoneHypothalamusInositol PhosphatesMiceMice, TransgenicNeuronsNeurotoxinsReceptors, AMPAReceptors, GlutamateReceptors, N-Methyl-D-AspartateSpectrometry, FluorescenceConceptsDichlorokynurenic acidGnRH secretionMK-801Immortalized hypothalamic GT1-7 neuronsGonadotropin-Releasing Hormone SecretionOxo-4-isoxazolepropanoic acidAMPA/kainate antagonistGT1-7 cell lineAction of glutamateReceptor subtype agonistsNMDA receptor antagonistConcentration-dependent riseGT1-7 neuronsGT1-7 cellsKainate antagonistSubtype agonistsHormone secretionHypothalamic neuronsReceptor antagonistGlutamate actionSecretory responseNMDA receptorsGlycine siteCyclopentanedicarboxylic acidNeuroendocrine regulation
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