2018
Deciphering the Contributions of CRH Receptors in the Brain and Pituitary to Stress-Induced Inhibition of the Reproductive Axis
Raftogianni A, Roth LC, García-González D, Bus T, Kühne C, Monyer H, Spergel DJ, Deussing JM, Grinevich V. Deciphering the Contributions of CRH Receptors in the Brain and Pituitary to Stress-Induced Inhibition of the Reproductive Axis. Frontiers In Molecular Neuroscience 2018, 11: 305. PMID: 30214395, PMCID: PMC6125327, DOI: 10.3389/fnmol.2018.00305.Peer-Reviewed Original ResearchCRH receptor type 1Corticotropin-releasing hormoneHPG axisCentral neuronsCRH receptorsPharmacological studiesAcute stressGonadotropin-releasing hormone (GnRH) neuronsMale HPG axisDecrease of plasmaEarlier pharmacological studiesReceptor type 1Stress induced inhibitionHormone neuronsLH releaseGABAergic neuronsCentral infusionPituitary levelMale miceGonadal axisReproductive axisImmunological stressType 2Pituitary culturesBasal conditions
2007
Calcium and Small-Conductance Calcium-Activated Potassium Channels in Gonadotropin-Releasing Hormone Neurons before, during, and after Puberty
Spergel DJ. Calcium and Small-Conductance Calcium-Activated Potassium Channels in Gonadotropin-Releasing Hormone Neurons before, during, and after Puberty. Endocrinology 2007, 148: 2383-2390. PMID: 17289846, PMCID: PMC3315592, DOI: 10.1210/en.2006-1693.Peer-Reviewed Original ResearchConceptsAdult GnRH neuronsSK channel expressionGnRH neuronsGnRH secretionSK currentPubertal increaseGnRH-green fluorescent protein transgenic miceChannel expressionSmall-conductance calcium-activated potassium channelsGonadotropin-releasing hormone (GnRH) neuronsSK channel blocker apaminCalcium-activated potassium channelsCytoplasmic freeChannel blocker apaminExcitatory synaptic inputsWhole-cell techniqueSK channel subtypesHormone neuronsBlocker apaminKisspeptin stimulationChannel blockersSK channelsBrain slicesChannel subtypesSynaptic inputs
2004
Neurotrophic effects of BDNF on embryonic gonadotropin‐releasing hormone (GnRH) neurons
Cronin AS, Horan TL, Spergel DJ, Brooks AN, Hastings MH, Ebling FJ. Neurotrophic effects of BDNF on embryonic gonadotropin‐releasing hormone (GnRH) neurons. European Journal Of Neuroscience 2004, 20: 338-344. PMID: 15233743, DOI: 10.1111/j.1460-9568.2004.03490.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainBrain-Derived Neurotrophic FactorCell CountCells, CulturedCyclic AMP Response Element-Binding ProteinDose-Response Relationship, DrugDrug InteractionsEmbryo, MammalianGonadotropin-Releasing HormoneGreen Fluorescent ProteinsImmunoenzyme TechniquesImmunohistochemistryLuminescent ProteinsMiceMice, Inbred C57BLMice, TransgenicMitogen-Activated Protein KinasesNeuritesNeuronsOligodeoxyribonucleotides, AntisensePotassium ChlorideReceptor, trkBConceptsBrain-derived neurotrophic factorGnRH cellsNeurotrophic factorMedian eminenceGonadotropin-releasing hormone (GnRH) neuronsNeurite outgrowthGnRH secretory systemGnRH-immunoreactive cellsGonadotropin-releasing hormoneDose-dependent increaseResponse element-binding proteinPhosphorylation of ERKHormone neuronsBDNF treatmentGnRH neuronsNeurotrophic effectsPreoptic areaNeurons migrateReproductive axisElement-binding proteinOlfactory placodeOlfactory tissuePrimary culturesERK pathwayGnRH
2001
Using reporter genes to label selected neuronal populations in transgenic mice for gene promoter, anatomical, and physiological studies
Spergel D, Krüth U, Shimshek D, Sprengel R, Seeburg P. Using reporter genes to label selected neuronal populations in transgenic mice for gene promoter, anatomical, and physiological studies. Progress In Neurobiology 2001, 63: 673-686. PMID: 11165000, DOI: 10.1016/s0301-0082(00)00038-1.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsGreen fluorescent proteinReporter geneGene promoterSubcellular localization signalsCell type-specific expressionPromoter-driven reporter geneCorresponding reporter genesType-specific expressionLocalization signalReporter proteinNeuronal populationsPromoter elementsTransgenic miceFluorescent proteinTransgenic expressionGenesCell typesGonadotropin-releasing hormone (GnRH) neuronsGnRH neuronal networkPhysiological studiesPromoterProteinHormone neuronsBla genesExpression
1996
Immortalized GnRH Neurons Express Large-Conductance Calcium-Activated Potassium Channels
Spergel D, Catt K, Rojas E. Immortalized GnRH Neurons Express Large-Conductance Calcium-Activated Potassium Channels. Neuroendocrinology 1996, 63: 101-111. PMID: 9053774, DOI: 10.1159/000126946.Peer-Reviewed Original ResearchConceptsGT1-7 cellsGnRH secretory responseGnRH secretionChannel blockersBK channelsSecretory responseGonadotropin-releasing hormone (GnRH) neuronsEffects of charybdotoxinImmortalized GnRH neuronsPerforated-patch recordingsSmall conductance Ca2Patch-clamp recordingsBK channel blockersGamma-aminobutyric acidPatch-clamp techniqueLarge-conductance Ca2Cytoplasmic free Ca2Endoplasmic reticulum Ca2Hormone neuronsGnRH neuronsExcitatory neurotransmitterVoltage-dependent mannerSustained componentFura-2Whole-cell conductance