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Título: The role of neuromedin B in the regulation of rat pituitary-adrenocortical function
Fecha de publicación: 1996
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: CDU::6 - Ciencias aplicadas::61 - Medicina
Palabras clave: Neuromedin B
Steroid secretion
Resumen: The effects of a 7-day administration of neuromedin B (NMB) andlor ( ~ ~D-rphe~12,)-b ornbesin, an NMB-receptor antagonist (NMB-A) on the function of pituitary-adrenocortical axis were investigated in the rat. NMB raised the plasma concentration of aldosterone, without affecting that of ACTH or corticosterone; the simultaneous administration of NMB-A prevented the effect of NMB. Neither NMB nor NMB-A treatments induced significant changes in adenohypophysis and adrenal weights, nor in the average volume of zona glomerulosa and zona reticularis cells. NMB-A administration lowered the volume of zona fasciculata cells, an effect annulled by the concomitant NMB administration. Our results suggest that NMB specifically stimulates aldosterone secretion, and that endogenous NMB or NMB-like peptides exert a tonic stimulating action on the growth of zona fasciculata cells.
Autor/es principal/es: Malendowicz, L.K.
Macchi, C.
Nussdorfer, G.G.
Nowak, M.
Publicado en: Histology and histopathology
URI: http://hdl.handle.net/10201/18898
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 3
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol.11, nº 4 (1996)

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