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Gonadal and pituitary responsiveness of stallions is not down-regulated by prolonged pulsatile administration of GnRH
Equine hypothalamic-pituitary-gonadal axis ref ractoriness
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2009/2/17
The objective of this study was to determine if prolonged pulsatile administration of homologous gonadotropin-releasing hormone (GnRH) at therapeutic or 5x therapeutic doses would cause down-regul...
Age-related decrease in hypothalamic gonadotropin-releasing hormone（GnRH）gene expression, but not pituitary responsiveness to GnRH, in the male Brown Norway rat
Age-related decrease hypothalamic gonadotropin-releasing hormone（GnRH）gene expression pituitary responsiveness GnRH male
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2008/12/25
As is the case in humans, aging male Brown Norway (BN) rats exhibit both primary and secondary (hypothalamic/pituitary) testicular failure. We hypothesized that secondary testicular failure in aging...