Increase in gonadotropin-releasing hormone (GnRH) levels in CSF after stimulation of the nervus terminalis in Atlantic stingray, Dasyatis sabina

The nervus terminalis (NT) contains many cells immunoreactive to gonadotropin-releasing hormone (GnRH). The potential of the NT to release GnRH in vivo was investigated by stimulating the peripheral nerve trunk of Atlantic stingrays and collecting cerebrospinal fluid (CSF). The CSF samples from stim...

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Veröffentlicht in:	Brain research 1998-09, Vol.806 (1), p.104-107
Hauptverfasser:	Moeller, John F, Meredith, Michael
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biological and medical sciences Cerebral circulation. Blood-brain barrier. Choroid plexus. Cerebrospinal fluid. Circumventricular organ. Meninges Cerebrospinal fluid Elasmobranch Electric Stimulation Fundamental and applied biological sciences. Psychology Gonadotropin-releasing hormone Gonadotropin-Releasing Hormone - cerebrospinal fluid Nerve Endings - physiology Nervus terminalis Peripheral Nerves - physiology Radioimmunoassay Reference Values Skates (Fish) - cerebrospinal fluid Skates (Fish) - physiology Terminal nerve Vertebrates: nervous system and sense organs
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Zusammenfassung:	The nervus terminalis (NT) contains many cells immunoreactive to gonadotropin-releasing hormone (GnRH). The potential of the NT to release GnRH in vivo was investigated by stimulating the peripheral nerve trunk of Atlantic stingrays and collecting cerebrospinal fluid (CSF). The CSF samples from stimulated animals averaged about twice the levels of mGnRH-like peptide as those of unstimulated animals. These results demonstrate that nervus terminalis activity can effect in vivo GnRH levels in the brain.
ISSN:	0006-8993 1872-6240
DOI:	10.1016/S0006-8993(98)00683-0