GonadotrophsFollicle Stimulating Hormone, beta SubunitLuteinizing Hormone, beta SubunitPituitary Gland, AnteriorGonadotropin-Releasing HormonePituitary GlandReceptors, LHRHGlycoprotein Hormones, alpha SubunitActivinsLuteinizing HormoneSecretogranin IIGonadotropinsGonadotropins, PituitaryFollistatinInhibin-beta SubunitsFollicle Stimulating HormoneFushi Tarazu Transcription FactorsOrchiectomyGene Expression RegulationParacrine CommunicationCells, CulturedPromoter Regions, GeneticCell LineProtein Kinase CCalciumRNA, MessengerImmunohistochemistryMice, TransgenicRats, Sprague-DawleyTranscription FactorsSignal Transduction