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Schematic illustration of three cell lineages, GH-PRL-TSH, ACTH and FSH/LH, which are regulated by a combination of transcription factors and co-factors (rodents). GH, growth hormone; PRL, prolactin; FSH, follicle-stimulating hormone; LH, luteinizing hormone; TSH, thyroid-stimulating hormone; ACTH, adrenocorticotropic hormone (modified from Osamura et al.) [22].
