Gonadal Steroid HormonesEstradiolTestosteroneSex CharacteristicsOrchiectomyOvariectomySteroidsHormonesProgesteroneLuteinizing HormoneDihydrotestosteroneGonadotropin-Releasing HormoneFollicle Stimulating HormoneReceptors, SteroidCastrationEstrogensApoptosisGonadal HormonesAndrogensThyroid HormonesSex DifferentiationPituitary GlandSexual MaturationApoptosis Regulatory ProteinsCaspasesEstrous CycleCaspase 3LeuprolideTestosterone PropionateOvaryEcdysoneRNA, MessengerAdrenocorticotropic HormoneHypothalamusReceptors, ProgesteronePreoptic AreaReceptors, AndrogenProto-Oncogene Proteins c-bcl-2GonadsInhibitor of Apoptosis ProteinsHypogonadismFollicle Stimulating Hormone, beta SubunitPituitary Hormone-Releasing HormonesHydrocortisoneSignal TransductionSexual Behavior, AnimalPituitary Gland, AnteriorParathyroid HormoneGene Expression RegulationReceptors, EstrogenEcdysteroneMenstrual CycleGonadotropins, PituitaryRats, Sprague-DawleyCell Line, TumorDehydroepiandrosteroneKisspeptinsCells, CulturedDNA FragmentationReceptors, Thyroid HormoneAdrenal GlandsGonadotropinsIn Situ Nick-End LabelingHypothalamus, MiddleTestisRadioimmunoassaybcl-2-Associated X ProteinReproductionProlactinReceptors, GlucocorticoidCell LineCell SurvivalArcuate NucleusX-Linked Inhibitor of Apoptosis ProteinImmunohistochemistryEstrusNeurokinin BTumor Cells, CulturedPregnancyHuman Growth HormoneNeurosecretory SystemsGlucocorticoidsEstrogen Receptor alphaBrainApoptosis Inducing FactorReceptors, LHRHFollicular PhaseMitochondriaDose-Response Relationship, DrugCASP8 and FADD-Like Apoptosis Regulating ProteinTime FactorsEnzyme ActivationCaspase 9Analysis of VarianceBlotting, WesternCaspase InhibitorsMolecular Sequence DataNeuronsAndrostenedioneTransfection