Pituitary Gonadotropin Responsiveness with Danazol
Danazol (17α-pregn-4-en-20-yno-[2,3-d]isoxazol-17-ol) was administered daily for 4 days to castrated female rats. As previously demonstrated, danazol lowered serum levels of luteinizing hormone (LH) in an apparent dose-dependent fashion. Animals which received danazol in a dose sufficient to lower s...
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Veröffentlicht in: | Fertility and sterility 1978-06, Vol.29 (6), p.637-639 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Danazol (17α-pregn-4-en-20-yno-[2,3-d]isoxazol-17-ol) was administered daily for 4 days to castrated female rats. As previously demonstrated, danazol lowered serum levels of luteinizing hormone (LH) in an apparent dose-dependent fashion. Animals which received danazol in a dose sufficient to lower serum LH responded to administered LH-releasing hormone (LHRH) with increases in serum LH levels which were not diminished as compared with those of control animals. Although these experiments do not preclude an effect of danazol directly on the pituitary, the results indicate that this agent probably lowers serum LH primarily by inhibition of hypothalamic LHRH secretion. |
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ISSN: | 0015-0282 1556-5653 |
DOI: | 10.1016/S0015-0282(16)43336-4 |