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Testosterone-dependent restoration of spermatogenesis in adult rats is impaired by a 5alpha-reductase inhibitor
Testosterone-dependent restoration spermatogenesis adult rats 5alpha-reductase inhibitor
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2009/2/18
Germ cell development (spermiogenesis in particular) in the adult rat is known to be testosterone dependent. Recently we proposed a role for the 5alpha reduction of testosterone to dihydrotestostero...
Follicle-stimulating hormone is required for the initial phase of spermatogenic restoration in adult rats following gonadotropin suppression
Testosterone germ cell spermatogonia stereology
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2009/2/18
The role of follicle-stimulating hormone (FSH) in adult rat spermatogenesis is unclear. Although exogenous testosterone (T) restores spermatogenesis following gonadotropin-releasing hormone (GnRH)...
Hypoprolactinemia does not prevent restoration of normal spermatogenesis in gonadotropin-suppressed, testosterone-replaced rats
Spermatogenesis testosterone prolactin gonadotropin GnRH immunization
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2009/2/16
We have previously shown that suppression of gonadotropins and spermatogenesis can be produced in rats by immunization against gonadotropin releasing hormone (GnRH). Administration of testosterone (...
Restoration of Erectile Capacity in Normotensive Aged Rats by Modulation of Angiotensin Receptor Type 1
Erectile dysfunction Sprague-Dawley rat losartan
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2008/12/23
We investigated the effects of systemic modulation of angiotensin 2 on the erectile dysfunction of aged rats. Young and aged (18 months old) male Sprague-Dawley rats were either treated with daily a...