title: [Sex steroid hormones and brain serotonin in the estrous cycle of silver foxes].
abstract: A significant increase in hypothalamic serotonin and estradiol levels was found in silver foxes during proestrus. During estrus, the plasma estradiol concentration was reduced and a significant increase in progesterone level was correlated with a decrease in the brain serotonin content. The data obtained suggest that the brain serotonin plays a mediating role in the control of ovarian hormonal activity and ovulation in silver foxes.
mesh_terms: D000818:Animals; D001921:Brain / Q000502:physiology*; D001923:Brain Chemistry / Q000502:physiology; D004958:Estradiol / Q000032:analysis*; D004971:Estrus / Q000097:blood / Q000502:physiology*; D005260:Female; D005589:Foxes / Q000502:physiology*; D006897:Hydroxyindoleacetic Acid / Q000032:analysis; D007031:Hypothalamus / Q000737:chemistry; D008636:Mesencephalon / Q000737:chemistry; D010053:Ovary / Q000737:chemistry; D011374:Progesterone / Q000032:analysis*; D012701:Serotonin / Q000032:analysis*
chemical_list: D012701:Serotonin; D011374:Progesterone; D004958:Estradiol; D006897:Hydroxyindoleacetic Acid
vernacular_title: Polovye steroidnye gormony i serotonin mozga v éstral'nom tsikle u serebristo-chernykh lisits.