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Titolo:
Effects of serotonin, GABA and neuropeptide Y on seabream gonadatropin releasing hormone release in vitro from preoptic-anterior hypothalamus and pituitary of red seabream, Pagrus major
Autore:
Senthilkumaran, B; Okuzawa, K; Gen, K; Kagawa, H;
Indirizzi:
Natl Res Inst Aquaculture, Inland Stn, Tamaki, Mie, Japan Natl Res Inst Aquaculture Tamaki Mie Japan nland Stn, Tamaki, Mie, Japan Natl Res Inst Aquaculture, Nansei, Mie 5160193, Japan Natl Res Inst Aquaculture Nansei Mie Japan 5160193 ei, Mie 5160193, Japan
Titolo Testata:
JOURNAL OF NEUROENDOCRINOLOGY
fascicolo: 5, volume: 13, anno: 2001,
pagine: 395 - 400
SICI:
0953-8194(200105)13:5<395:EOSGAN>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
GONADOTROPIN-II SECRETION; CATFISH HETEROPNEUSTES-FOSSILIS; CROAKER MICROPOGONIAS-UNDULATUS; GOLDFISH PITUITARY; GROWTH-HORMONE; NEUROENDOCRINE REGULATION; ATLANTIC CROAKER; 3 FORMS; GENE-EXPRESSION; FEMALE GOLDFISH;
Keywords:
sbGnRH; 5-HT; GABA; NPY; in vitro GnRH release;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
42
Recensione:
Indirizzi per estratti:
Indirizzo: Kagawa, H Natl Res Inst Aquaculture, Nansei, Mie 5160193, Japan Natl Res Inst Aquaculture Nansei Mie Japan 5160193 60193, Japan
Citazione:
B. Senthilkumaran et al., "Effects of serotonin, GABA and neuropeptide Y on seabream gonadatropin releasing hormone release in vitro from preoptic-anterior hypothalamus and pituitary of red seabream, Pagrus major", J NEUROENDO, 13(5), 2001, pp. 395-400

Abstract

The effects of serotonin (5-HT), GABA and neuropeptide Y (NPY) on in vitrorelease of seabream (sb) gonadotropin releasing hormone (GnRH) from slicesof the preoptic-anterior hypothalamus (P-AH) and pituitary of red seabreamwere studied. 5-HT, GABA and NPY all stimulated the release of sbGnRH fromthe P-AH but not from the pituitary of immature red seabream. They also stimulated sbGnRH release from the P-AH with a similar potency during the course of gonadal development. Specific agonists and/or antagonists of 5-HT, GABA and NPY showed that 5-HT and GABA utilize 5-HT2 and GABAA receptor subtypes, respectively, to mediate their action, and that NPY employs at least NPYY1 and NPYY2 receptor subtypes to stimulate sbGnRH release. Combinationsof different antagonists for 5-HT, GABA and noradrenaline/adrenaline did not block the stimulatory influence of NPY on release of sbGnRH, indicating that the action of NPY on the sbGnRH neuronal system is probably direct.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/07/20 alle ore 07:29:02