Urocortin (UCN), a 40 amino acids neuropeptide widely distributed in the central nervous system (CNS), belongs to a family of structurally related peptides including corticotrophin releasing factor (CRF), sauvagine and urotensin I. Urocortin is derived from a larger precursor protein (pro-urocortin, also named corticotensin). Urocortin has biological actions similar to CRF such as stress-related endocrine, autonomic and behavioral responses in mammalian species. It is a potent stimulator of adrenocorticotropic hormone (ACTH) secretion by corticotroph cells from the anterior pituitary in vitro and in vivo.
Corticotensin; prepro-urocortin; Urocortin; urocortin, preproprotein
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