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Abstract:

The immunohistochemical distribution of galanin (Gal) in the brain and pituitary of Rhinella arenarum was studied during development. Gal-immunoreactivity was first observed in the brain just after hatching in anterior preoptic area, infundibular area, median eminence and pars distalis of the pituitary as well as in the olfactory epithelium. At the beginning of prometamorphosis new Gal-immunoreactive (ir) cells were observed in the olfactory nerve and bulb. Later in prometamorphosis new Gal-ir cells were observed in the telencephalon, suprachiasmatic nucleus, rostral rhombencephalon and in the pars nervosa of the pituitary. The most numerous accumulations of Gal-ir neurons throughout the larval development were observed in the ventral hyphothalamus where numerous Gal-ir cells of cerebrospinal fluid-contacting type were found. During metamorphic climax and soon after we did not detect Gal-ir neurons in the pallium, medial or pretectal dorsal thalamus. In the median eminence and pars distalis of the pituitary many Gal-ir fibers were found during development indicating that Gal may play a role in the modulation of hypophyseal secretion. Furthermore, the distribution of Gal-ir elements observed throughout larvae development indicates that galaninergic system maturation continues until sexual maturity. © 2008 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Galanin: Presence and distribution in the brain and pituitary of Rhinella arenarum (Amphibia: Anura) during development
Autor:Heer, T.; Yovanovich, C.A.; Pozzi, A.G.; Paz, D.A.
Filiación:Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-CONICET), Universidad de Buenos Aires, C1428EHA Buenos Aires, Argentina
Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428EHA Buenos Aires, Argentina
Palabras clave:Bufo arenarum; Development; Nervous system; Neuropeptide; Pituitary; galanin; Amphibia; animal cell; animal experiment; animal tissue; article; brain cortex; brain development; cerebrospinal fluid; controlled study; hatching; hypophysis function; hypophysis pars distalis; hypothalamus; immunocompetent cell; immunohistochemistry; immunoreactivity; infundibulum; larval development; median eminence; metamorphosis; neurohypophysis; nonhuman; olfactory bulb; olfactory epithelium; olfactory nerve; preoptic area; pretectum; protein localization; rhombencephalon; sexual maturity; suprachiasmatic nucleus; tadpole; telencephalon; thalamus dorsomedial nucleus; Amphibia; Anura; Bufo arenarum
Año:2008
Volumen:40
Número:5
Página de inicio:333
Página de fin:342
DOI: http://dx.doi.org/10.1016/j.tice.2008.03.002
Título revista:Tissue and Cell
Título revista abreviado:Tissue Cell
ISSN:00408166
CODEN:TICEB
CAS:galanin, 88813-36-9
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00408166_v40_n5_p333_Heer

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Citas:

---------- APA ----------
Heer, T., Yovanovich, C.A., Pozzi, A.G. & Paz, D.A. (2008) . Galanin: Presence and distribution in the brain and pituitary of Rhinella arenarum (Amphibia: Anura) during development. Tissue and Cell, 40(5), 333-342.
http://dx.doi.org/10.1016/j.tice.2008.03.002
---------- CHICAGO ----------
Heer, T., Yovanovich, C.A., Pozzi, A.G., Paz, D.A. "Galanin: Presence and distribution in the brain and pituitary of Rhinella arenarum (Amphibia: Anura) during development" . Tissue and Cell 40, no. 5 (2008) : 333-342.
http://dx.doi.org/10.1016/j.tice.2008.03.002
---------- MLA ----------
Heer, T., Yovanovich, C.A., Pozzi, A.G., Paz, D.A. "Galanin: Presence and distribution in the brain and pituitary of Rhinella arenarum (Amphibia: Anura) during development" . Tissue and Cell, vol. 40, no. 5, 2008, pp. 333-342.
http://dx.doi.org/10.1016/j.tice.2008.03.002
---------- VANCOUVER ----------
Heer, T., Yovanovich, C.A., Pozzi, A.G., Paz, D.A. Galanin: Presence and distribution in the brain and pituitary of Rhinella arenarum (Amphibia: Anura) during development. Tissue Cell. 2008;40(5):333-342.
http://dx.doi.org/10.1016/j.tice.2008.03.002