Anatomical distribution of galanin-like immunoreactivity in the brain and pituitary of teleost fishes

Trevor F C Batten; Lieve Moons; Mia Cambre; Frans Vandesande

doi:10.1016/0304-3940(90)90336-8

Anatomical distribution of galanin-like immunoreactivity in the brain and pituitary of teleost fishes

Trevor F C Batten, Lieve Moons, Mia Cambre, Frans Vandesande

Research output: Contribution to journal › Article › peer-review

60 Citations (Scopus)

Abstract

Immunohistochemical study of brains of five teleost fishes (molly, sea bass, killifish, flounder, tilapia) revealed similar extensive systems of galanin immunoreactive (GAL-ir) neurons. Cell bodies were located in the anterior preoptic recess (where coexistence with corticotrophin-releasing factor-like-ir was found), posterior tuberal hypothalamus and vagal lobe of the medulla oblongata. Fibres in the fingers of neurohypophysial tissue penetrating the pituitary pars distalis suggested an anatomical relationship between GAL-ir terminals and the hormone secreting cells. Electron microscopic studies on sea bass pituitary revealed contacts of GAL-ir fibres with growth hormone cells and gonadotrophs. Thus a GAL-like peptide may be released from nerve terminals in the teleost pituitary, where it may act locally to modulate the secretion of one or more pituitary hormones.

Original language	English
Pages (from-to)	12-17
Number of pages	6
Journal	Neuroscience Letters
Volume	111
Issue number	1-2
DOIs	https://doi.org/10.1016/0304-3940(90)90336-8
Publication status	Published - 26 Mar 1990
Externally published	Yes

Keywords

Brain
Galanin
Immunohistochemistry
Pituitary
Teleost fish
Ultrastructure

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title = "Anatomical distribution of galanin-like immunoreactivity in the brain and pituitary of teleost fishes",

abstract = "Immunohistochemical study of brains of five teleost fishes (molly, sea bass, killifish, flounder, tilapia) revealed similar extensive systems of galanin immunoreactive (GAL-ir) neurons. Cell bodies were located in the anterior preoptic recess (where coexistence with corticotrophin-releasing factor-like-ir was found), posterior tuberal hypothalamus and vagal lobe of the medulla oblongata. Fibres in the fingers of neurohypophysial tissue penetrating the pituitary pars distalis suggested an anatomical relationship between GAL-ir terminals and the hormone secreting cells. Electron microscopic studies on sea bass pituitary revealed contacts of GAL-ir fibres with growth hormone cells and gonadotrophs. Thus a GAL-like peptide may be released from nerve terminals in the teleost pituitary, where it may act locally to modulate the secretion of one or more pituitary hormones.",

keywords = "Brain, Galanin, Immunohistochemistry, Pituitary, Teleost fish, Ultrastructure",

author = "Batten, {Trevor F C} and Lieve Moons and Mia Cambre and Frans Vandesande",

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T1 - Anatomical distribution of galanin-like immunoreactivity in the brain and pituitary of teleost fishes

AU - Batten, Trevor F C

AU - Moons, Lieve

AU - Cambre, Mia

AU - Vandesande, Frans

PY - 1990/3/26

Y1 - 1990/3/26

N2 - Immunohistochemical study of brains of five teleost fishes (molly, sea bass, killifish, flounder, tilapia) revealed similar extensive systems of galanin immunoreactive (GAL-ir) neurons. Cell bodies were located in the anterior preoptic recess (where coexistence with corticotrophin-releasing factor-like-ir was found), posterior tuberal hypothalamus and vagal lobe of the medulla oblongata. Fibres in the fingers of neurohypophysial tissue penetrating the pituitary pars distalis suggested an anatomical relationship between GAL-ir terminals and the hormone secreting cells. Electron microscopic studies on sea bass pituitary revealed contacts of GAL-ir fibres with growth hormone cells and gonadotrophs. Thus a GAL-like peptide may be released from nerve terminals in the teleost pituitary, where it may act locally to modulate the secretion of one or more pituitary hormones.

AB - Immunohistochemical study of brains of five teleost fishes (molly, sea bass, killifish, flounder, tilapia) revealed similar extensive systems of galanin immunoreactive (GAL-ir) neurons. Cell bodies were located in the anterior preoptic recess (where coexistence with corticotrophin-releasing factor-like-ir was found), posterior tuberal hypothalamus and vagal lobe of the medulla oblongata. Fibres in the fingers of neurohypophysial tissue penetrating the pituitary pars distalis suggested an anatomical relationship between GAL-ir terminals and the hormone secreting cells. Electron microscopic studies on sea bass pituitary revealed contacts of GAL-ir fibres with growth hormone cells and gonadotrophs. Thus a GAL-like peptide may be released from nerve terminals in the teleost pituitary, where it may act locally to modulate the secretion of one or more pituitary hormones.

KW - Brain

KW - Galanin

KW - Immunohistochemistry

KW - Pituitary

KW - Teleost fish

KW - Ultrastructure

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ER -

Anatomical distribution of galanin-like immunoreactivity in the brain and pituitary of teleost fishes

Abstract

Keywords

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