ANATOMICAL DISTRIBUTION OF GALANIN-LIKE IMMUNOREACTIVITY IN THE BRAIN AND PITUITARY OF TELEOST FISHES

被引：60

作者：

BATTEN, TFC ^{[1
]}

MOONS, L ^{[1
]}

CAMBRE, M ^{[1
]}

VANDESANDE, F ^{[1
]}

机构：

[1] CATHOLIC UNIV LEUVEN,NEUROENDOCRINOL & IMMUNOL BIOTECHNOL LAB,B-3000 LOUVAIN,BELGIUM

来源：

NEUROSCIENCE LETTERS | 1990年 / 111卷 / 1-2期

关键词：

Brain; Galanin; Immunohistochemistry; Pituitary; Teleost fish; Ultrastructure;

D O I：

10.1016/0304-3940(90)90336-8

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

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. © 1990.

引用

页码：12 / 17

页数：6

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