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1988
DOI: 10.1210/edrv-9-4-379
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Molecular Mechanism of Gonadotropin Releasing Hormone (GnRH) Action. I. The GnRH Receptor*

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Cited by 131 publications
(77 citation statements)
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“…Gonadotropin-releasing hormone is released from hypothalamus and stimulates the GnRH receptors on the hypophysis in a pulsative manner, with ensuing secretion of gonadotropines (18). Continuous stimulation leads to down-regulation of the receptor with ensuing chemical castration, whereas intermittent stimulation leads to upregulation of the receptor (19).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Gonadotropin-releasing hormone is released from hypothalamus and stimulates the GnRH receptors on the hypophysis in a pulsative manner, with ensuing secretion of gonadotropines (18). Continuous stimulation leads to down-regulation of the receptor with ensuing chemical castration, whereas intermittent stimulation leads to upregulation of the receptor (19).…”
Section: Discussionmentioning
confidence: 99%
“…The hypothesis is that the continuous stimulation by leuprolide on the hypothalamic-pituitary-gonadal axis down-modulates gonadotropines and gonadal products (18,29), which are known neural antagonists of gastrointestinal motility (30,31). Thus, the The importance of antibodies against GnRH in the development of dysmotility is not known (6,7,10).…”
Section: Discussionmentioning
confidence: 99%
“…These enter the peripheral circulation and regulate gonadal steroidogenesis, along with maturation of eggs and sperm. Intermittent exposure of the GnRHR to the releasing hormone is important from a functional point of view; slower GnRH pulses favor release of FSH whereas faster pulses favor release of LH (Belchetz et al, 1978;Crowley et al, 1985;Hazum and Conn, 1988) (Fig. 2).…”
mentioning
confidence: 99%
“…Las GnRHs, producidas en neuronas presentes en diferentes áreas del cerebro, acceden a la hipófisis de los teleósteos a través de las citadas conexiones neuronales directas. Su interacción con receptores específicos, situados en la membrana de las células gonadotropas y acoplados a diversos sistemas de segundos mensajeros, estimula la síntesis y secreción de las gonadotrofinas (Hazum y Conn, 1988;Chang et al, 2000).…”
Section: El Eje Cerebro-hipófisis-gónadaunclassified
“…Las GnRHs, producidas en neuronas presentes en diferentes áreas del cerebro, acceden a la hipófisis de los teleósteos a través de las citadas conexiones neuronales directas. Su interacción con receptores específicos, situados en la membrana de las células gonadotropas y acoplados a diversos sistemas de segundos mensajeros, estimula la síntesis y secreción de las gonadotrofinas (Hazum y Conn, 1988;Chang et al, 2000).No obstante, la actividad hipofisaria no sólo está regulada por las GnRHs, sino que existen otros factores cerebrales que estimulan o inhiben esta actividad (Peter et al, 1991;Kah et al, 1993;Trudeau, 1997;Yaron et al, 2003). Se ha descrito la existencia de un factor inhibidor de la liberación de gonadotrofinas, que se ha identificado como la dopamina, y de otras moléculas que intervienen en esta regulación, como ciertos neuropéptidos (péptidos opioides, neuropéptido Y, galanina, colecistoquinina, polipéptido activador de la adenil ciclasa de pituitaria o PACAP), monoaminas (noradrenalina, serotonina) y aminoácidos neurotransmisores (ácido γ-aminobutírico o GABA, taurina, ácido glutámico, ácido aspártico, alanina).…”
unclassified