» Articles » PMID: 6525624

Ultrastructural Identification of Catecholaminergic Fibers in the Goldfish Pituitary. A High-resolution Radioautographic Study After in Vitro 3H-dopamine Administration

Overview
Journal Cell Tissue Res
Date 1984 Jan 1
PMID 6525624
Citations 4
Authors
Affiliations
Soon will be listed here.
Abstract

The monoaminergic innervation of the goldfish pituitary gland was studied by means of light- and electron-microscopic radioautography after in vitro administration of 3H-dopamine. The tracer was specifically incorporated and retained by part of the type-B fibers innervating the different lobes of the pituitary. In the rostral pars distalis labeled fibers were most frequently observed in contact with the basement membrane separating the neurohypophysis and the adenohypophysis. In the proximal pars distalis and the pars intermedia, labeled profiles were detected in the neural tissue and in direct contact with the different types of secretory cells. According to the previous data concerning the uptake and retention of tritiated catecholamines in the central nervous system, it is assumed that the labeled fibers are mainly catecholaminergic (principally dopaminergic). This study provides morphological evidence for a neuroendocrine function of catecholamines in the goldfish.

Citing Articles

Central regulation of reproduction in teleosts.

Kah O Fish Physiol Biochem. 2013; 2(1-4):25-34.

PMID: 24233165 DOI: 10.1007/BF02264071.


Dynamic characteristics of serotonin and dopamine metabolism in the rainbow trout brain: a regional study using liquid chromatography with electrochemical detection.

Saligaut C, Bailhache T, Salbert G, Breton B, Jego P Fish Physiol Biochem. 2013; 8(3):199-205.

PMID: 24221982 DOI: 10.1007/BF00004458.


The distribution of GABA-immunoreactive neurons in the brain of the silver eel (Anguilla anguilla L.).

Medina M, Reperant J, Dufour S, WARD R, Le Belle N, Miceli D Anat Embryol (Berl). 1994; 189(1):25-39.

PMID: 8192235 DOI: 10.1007/BF00193127.


The dopaminergic innervation of the goldfish pituitary. An immunocytochemical study at the electron-microscope level using antibodies against dopamine.

Kah O, Dubourg P, Onteniente B, Geffard M, Calas A Cell Tissue Res. 1986; 244(3):577-82.

PMID: 3719676 DOI: 10.1007/BF00212536.

References
1.
Olivereau M . Dopamine, prolactin control, and osmoregulation in eels. Gen Comp Endocrinol. 1975; 26(4):550-61. DOI: 10.1016/0016-6480(75)90178-1. View

2.
FOLLENIUS E . [Ultrastructure of the hypophysial aminergic nerves in the teleost Gasterosteus aculeatus degenerating after application of 6 hydroxydopamine]. Z Zellforsch Mikrosk Anat. 1972; 128(1):69-82. View

3.
Chang J, Peter R . Effects of pimozide and des Gly10,[D-Ala6]luteinizing hormone-releasing hormone ethylamide on serum gonadotropin concentrations, germinal vesicle migration, and ovulation in female goldfish, Carassius auratus. Gen Comp Endocrinol. 1983; 52(1):30-7. DOI: 10.1016/0016-6480(83)90155-7. View

4.
Zambrano D . The ultrastructure, catecholamine, and prolactin contents of the rostral pars distalis of the fish Mugil platanus after reserpine or 6-hydroxydopamine administration. Cell Tissue Res. 1975; 162(4):551-63. DOI: 10.1007/BF00209354. View

5.
Kaul S, Vollrath L . The goldfish pituitary. II. Innervation. Cell Tissue Res. 1974; 154(2):231-49. DOI: 10.1007/BF00223166. View