Hypothalamic-hypophyseal-gonadal axis in the streptozotocin-induced diabetic male rat
In the present work it was observed that the diabetic state alters the hypophyseal response to castration, without the expected increase in the LH serum levels, as found in the control rats. On the other hand, the stimulation of the hypophysis with LHRH resulted in a lower response in the case of th...
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| Autores principales: | , , , , |
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| Formato: | JOUR |
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00224731_v20_n3_p769_Calvo |
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| Sumario: | In the present work it was observed that the diabetic state alters the hypophyseal response to castration, without the expected increase in the LH serum levels, as found in the control rats. On the other hand, the stimulation of the hypophysis with LHRH resulted in a lower response in the case of the diabetic animal. The results presented herein are in good agreement with the finding of a reduction in the number of androgen binding sites and also with a diminished activity of the 5α-reductase in the hypophysis from diabetic animals. The present results indicate an alteration in the hypophyseal gonadotropin production as well as in the overall process of hypophyseal response in experimental diabetes. © 1984. |
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