{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T23:58:16Z","timestamp":1791071896663,"version":"4.1.0"},"reference-count":67,"publisher":"Society for Neuroscience","issue":"51","license":[{"start":{"date-parts":[[2007,6,20]],"date-time":"2007-06-20T00:00:00Z","timestamp":1182297600000},"content-version":"vor","delay-in-days":182,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Neurosci."],"published-print":{"date-parts":[[2006,12,20]]},"abstract":"<jats:p>Thyroid transcription factor 1 (TTF1) [also known as Nkx2.1 (related to the NK-2 class of homeobox genes) and T\/ebp (thyroid-specific enhancer-binding protein)], a homeodomain gene required for basal forebrain morphogenesis, remains expressed in the hypothalamus after birth, suggesting a role in neuroendocrine function. Here, we show an involvement of TTF1 in the control of mammalian puberty and adult reproductive function. Gene expression profiling of the nonhuman primate hypothalamus revealed that TTF1 expression increases at puberty. Mice in which the<jats:italic>Ttf1<\/jats:italic>gene was ablated from differentiated neurons grew normally and had normal basal ganglia\/hypothalamic morphology but exhibited delayed puberty, reduced reproductive capacity, and a short reproductive span. These defects were associated with reduced hypothalamic expression of genes required for sexual development and deregulation of a gene involved in restraining puberty. No extrapyramidal impairments associated with basal ganglia dysfunction were apparent. Thus, although TTF1 appears to fulfill only a morphogenic function in the ventral telencephalon, once this function is satisfied in the hypothalamus, TTF1 remains active as part of the transcriptional machinery controlling female sexual development.<\/jats:p>","DOI":"10.1523\/jneurosci.4238-06.2006","type":"journal-article","created":{"date-parts":[[2006,12,20]],"date-time":"2006-12-20T17:28:11Z","timestamp":1166635691000},"page":"13167-13179","source":"Crossref","is-referenced-by-count":59,"title":["Deletion of the<i>Ttf1<\/i>Gene in Differentiated Neurons Disrupts Female Reproduction without Impairing Basal Ganglia Function"],"prefix":"10.1523","volume":"26","author":[{"given":"Claudio","family":"Mastronardi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregory 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