1999
GABA- and Glutamate-Activated Channels in Green Fluorescent Protein-Tagged Gonadotropin-Releasing Hormone Neurons in Transgenic Mice
Spergel D, Krüth U, Hanley D, Sprengel R, Seeburg P. GABA- and Glutamate-Activated Channels in Green Fluorescent Protein-Tagged Gonadotropin-Releasing Hormone Neurons in Transgenic Mice. Journal Of Neuroscience 1999, 19: 2037-2050. PMID: 10066257, PMCID: PMC6782541, DOI: 10.1523/jneurosci.19-06-02037.1999.Peer-Reviewed Original ResearchConceptsGnRH neuronsPreoptic areaNucleated patchesWhole-cell recordingsApplication of GABANMDA receptor channelsGanglion terminaleHormone neuronsOrganum vasculosumSeptal nucleusDiagonal bandLamina terminalisNeuronal somataAxon terminalsOlfactory bulbMedian eminenceTransgenic miceFiring patternsNeuronsNeuronal dendritesReceptor channelsGABAGreen fluorescent proteinL-glutamateAMPA
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
1993
Metabolic Substrate Dependence of Carotid Chemosensory Responses To Stop-Flow Evoked Hypoxia and to Nicotine
Spergel D. Metabolic Substrate Dependence of Carotid Chemosensory Responses To Stop-Flow Evoked Hypoxia and to Nicotine. Advances In Experimental Medicine And Biology 1993, 337: 221-225. PMID: 7906483, DOI: 10.1007/978-1-4615-2966-8_31.ChaptersMeSH KeywordsAnimalsCarotid BodyCatsGlucoseGlutamatesGlutamic AcidHypoxiaIn Vitro TechniquesNicotinePerfusionConceptsCarotid body preparationCarotid bodyMetabolic substratesCarotid chemosensory responsesMM glucoseProgressive deteriorationBody preparationChemosensory responsivenessGlutamateChemosensory responsesSaline solutionAmino acidsTricarboxylic acid cycle intermediatesResponsivenessCellular energy productionATP generationGlucoseCycle intermediatesNicotineHypoxia
1992
Dependence of carotid chemosensory responses on metabolic substrates
Spergel D, Lahiri S, Wilson D. Dependence of carotid chemosensory responses on metabolic substrates. Brain Research 1992, 596: 80-88. PMID: 1361420, DOI: 10.1016/0006-8993(92)91535-m.Peer-Reviewed Original ResearchConceptsCarotid chemosensory responsesLactic acidosisO2 chemoreceptionChemosensory responsesCat carotid bodyMetabolic substratesConcentration-dependent fashionNicotine injectionCarotid bodyTyrode's solutionNicotineMM glucoseHypoxic responseAcidosisHypoxiaGlucoseGlutamateAmino acidsResponseInterruptionChemoreceptionOxidative deamination