2010
DOI: 10.1159/000322472
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Hypothalamic Sites of Leptin Action Linking Metabolism and Reproduction

Abstract: A critical amount of energy reserve is necessary for puberty initiation, for normal sexual maturation and maintenance of cyclicity and fertility in females of most species. Therefore, the existence of circulating metabolic cues which directly modulate the hypothalamus-pituitary-gonad axis is predictable. The adipocyte-derived hormone leptin is one of these cues having been studied extensively in the context of regulating the reproductive physiology. Humans and mice lacking leptin (ob/ob) or leptin receptor (Le… Show more

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Cited by 115 publications
(93 citation statements)
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References 152 publications
(91 reference statements)
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“…released from adipocytes results in secretion of gonadoliberin (GnRH) [28]. Leptin, a peptide hormone with cytokine properties, indirectly modulates the secretion of GnRH, regulating the metabolism of the Kiss1 neurons [29].…”
Section: Prace Poglądowementioning
confidence: 99%
See 1 more Smart Citation
“…released from adipocytes results in secretion of gonadoliberin (GnRH) [28]. Leptin, a peptide hormone with cytokine properties, indirectly modulates the secretion of GnRH, regulating the metabolism of the Kiss1 neurons [29].…”
Section: Prace Poglądowementioning
confidence: 99%
“…W okresie dojrzewania, za pośrednictwem neurohormonu Kiss1 i jego receptora GPR54 dochodzi do aktywacji neuronów GnRH w obrębie podwzgórza. Skoordynowane oddziaływanie układów neuronalnych neuronów Kiss1, proopiomelanokortyny (POMC) i neuropeptydu Y (NPY) oraz wydzielanej przez adipocyty leptyny skutkuje wydzielaniem gonadoliberyny (GnRH) [28]. Leptyna -hormon peptydowy o charakterze cytokiny -moduluje wydzielanie GnRH w sposób pośredni, poprzez regulację metabolizmu neuronów Kiss1 [29].…”
Section: Zaburzenia Miesiączkowania Indukowane Stresem U Nastolatekunclassified
“…G85R worms exhibit fecundity defects, which are rescued by the aak-2 null background Reproduction and organismal intermediary metabolism are intimately linked (Cardozo et al, 2011;Donato et al, 2011). In nematodes, hermaphrodite reproduction is a complex process that involves the mobilization of lipids to generate, fertilize, and maintain oocytes and developing embryos (Kubagawa et al, 2006;Han et al, 2010).…”
Section: Rnai Knockdown Of Aak-2 In Neurons Improves Locomotor Behaviormentioning
confidence: 99%
“…Si bien, ensayos clínicos aleatorizados basados en la administración de diferentes dosis de leptina a pacientes con obesidad común, no han alcanzado los resultados esperados, esto es, una disminución de la ingesta y reducción de su peso corporal 47 . Datos de estudios recientes sugieren que esta resistencia a la leptina en pacientes con obesidad multifactorial podría deberse a una deficiente señalización intracelular 48 .…”
Section: Mutaciones Que Afectan a Los Enzimas Convertasas Pcsk1 Y Pcsk2unclassified