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Titolo:
Cell genesis in the hypothalamus is associated to the sexual phase of a hermaphrodite teleost
Autore:
Zikopoulos, B; Kentouri, M; Dermon, CR;
Indirizzi:
Univ Crete, Dept Biol, Heraklion 71409, Crete, Greece Univ Crete Heraklion Crete Greece 71409 l, Heraklion 71409, Crete, Greece Inst Marine Biol, Dept Aquaculture, Heraklion, Greece Inst Marine Biol Heraklion Greece , Dept Aquaculture, Heraklion, Greece
Titolo Testata:
NEUROREPORT
fascicolo: 11, volume: 12, anno: 2001,
pagine: 2477 - 2481
SICI:
0959-4965(20010808)12:11<2477:CGITHI>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
PREOPTIC GNRH; DENTATE GYRUS; SPARUS-AURATA; PROLIFERATION; NEURONS; NEUROGENESIS; FOREBRAIN; NUCLEUS; NUMBER; BRAIN;
Keywords:
BrdU immunocytochemistry; dorsal hypothalamic area; preoptic area; protandrous; sexual dimorphism; Sparus aurata; ventral telencephalon;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Dermon, CR Univ Crete, Dept Biol, Heraklion 71409, Crete, Greece Univ Crete Heraklion Crete Greece 71409 n 71409, Crete, Greece
Citazione:
B. Zikopoulos et al., "Cell genesis in the hypothalamus is associated to the sexual phase of a hermaphrodite teleost", NEUROREPORT, 12(11), 2001, pp. 2477-2481

Abstract

The present study aimed to define sex differences in the genesis of hypothalamic and telencephalic cells in the adult brain of male, female and undersex reversal teleosts (Sparus aurata). Application of 5-bromo-2-deoxyuridine immunocytochemistry and quantification of the newborn cells using the disector method, determined a statistically significant difference in the dorsal hypothalamic ventricular area between sexual phases. Female brain exhibited a higher number of newborn cells, suggesting that estrogens possibly influence higher mitotic activity. In contrast, paraventricular organ and ventral nucleus of the ventral telencephalon did not show any significant changes, while cell proliferation differences in the preoptic area were correlated with age. The sex-specific cell proliferation pattern in the hypothalamus adds important information on the cellular mechanisms that underlie sexchange in a protandrous hermaphrodite teleost. NeuroReport 12:2477-2481 (C) 2001 Lippincott Williams & Wilkins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 02:46:52