Effect of interaction of oestrogen, testosterone and thyroid hormones on the serum ceruloplasmin level in rats. |
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Authors: | V Schreiber T Pribyl |
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Abstract: | Male rats were given oestradiol benzoate (1 mg as an aquaeous microcrystal suspension i.m. twice a week), testosterone isobutyrate (0.5 mg as an aquaeous microcrystal suspension i.m. once a week) and dried thyroid (Thyreoidin SPOFA, 0.2% in food), alone or variously combined. Oestradiol raised adenohypophyseal weight, the binding capacity of the adenohypophyseal proteins for thyroxine and the serum ceruloplasmin level. Testosterone and Thyreoidin inhibited all three of these reactions, but when they were administered together there was no summation of their inhibitory action. The nature of the relationships between the three given proteosynthetic reactions is discussed. |
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