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Paracrine control of steroid hormone secretion by chromaffin cells in the adrenal gland of lower vertebrates

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dc.contributor.authorMazzocchi, G.
dc.contributor.authorGottardo, G.
dc.contributor.authorNussdorfer, G. G.
dc.date.accessioned2020-05-22T13:57:13Z
dc.date.available2020-05-22T13:57:13Z
dc.date.issued1998
dc.description.abstractThe adrenal glands of lowe r vertebrates display a notable intermingling between steroidogenic and chromaffin tissues, which increases from Pisces to Al'es. As in mammals, adrenal chromaffin cells contain and release, in addition to catechol amines, serotonin and several peptides, which may affect the secretory acti vity of steroidogeni c cells in a paracrine manner. Stimulatory molec ul es in c lud e se roto nin , arg inin e-va so tocin. tachykinin s, vasoac ti ve intestinal peptide , pituita ry adenylate cyclase-acti vating peptide and calcitonin generelated peptide: inhibitory molec ul es are dopamine, somatotropic hormone-release inhibiting hormone and ga lanin . Epin ephrine and no repinephrine appe ar to stimulate steroid sec retion in Aves and to inhibit it in Pisces, while their ac tion in Amphibia is controversial. Likewise . atri a l natriureti c peptide exe rts an antisec re ta gog ue ac ti o n in Amphibia and a ma rk ed secretagogue effe ct in Pisces and Aves. The effects of opioids (enkephalins and endorphins) have scarcely been in vesti ga ted a nd th e findin gs obt a ined a re hi g hly qu esti o nabl e. Compared with the ama zin g ma ss of in vestigations carried out in mammals, studies in lower ve rtebrates a re few, and in large part pe rformed in Amphibia and Al'es. It appears that much further work has to be done by comparati ve endocrinologists to fully clari fy the physiolog ica l relevance of th e functi onal interactions between chromaffin and steroidogeni c cells in the adrenal glands of lower vertebrates.es
dc.formatapplication/pdfes
dc.format.extent12es
dc.identifier.citationHistology and histopathology, Vol. 13, nº 1 (1998)
dc.identifier.issn1699-5848
dc.identifier.issn0213-3911
dc.identifier.urihttp://hdl.handle.net/10201/92543
dc.languageenges
dc.publisherF. Hernández y Juan F. Madrid. Universidad de Murcia. Departamento de Biología Celular e Histologíaes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectAdrenal glandes
dc.subjectSteroid secretiones
dc.subjectParacrine interactionses
dc.subjectChromaffin cellses
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicinaes
dc.titleParacrine control of steroid hormone secretion by chromaffin cells in the adrenal gland of lower vertebrateses
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.13, nº 1 (1998)