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Effects of thyroidectomy and thyroxine replacement on the responsiveness of the anterior pituitaries from male rats to thyrotropin-releasing hormone in vitro

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Summary

Thyroidectomy decreased prolactin concentrations in the anterior pituitary (AP) and serum of the male rat. The amount of basal and thyrotropin-releasing hormone (TRH)-stimulated release of prolactin by AP in vitro was lower in thyroidectomized (Tx) rats than in sham Tx rats. These results suggest that the inhibitory effects of thyroidectomy on pituitary and serum prolactin in male rats are mediated in part by the reduction of the production and spontaneous release of prolactin and the responsiveness of prolactin to TRH.

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Authors and Affiliations

  1. Department of Physiology, National Yang-Ming Medical College, Taipei, China

    T. -K. Tang, S. -W. Wang & P. S. Wang

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  1. T. -K. Tang
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  2. S. -W. Wang
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  3. P. S. Wang
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Tang, T.K., Wang, S.W. & Wang, P.S. Effects of thyroidectomy and thyroxine replacement on the responsiveness of the anterior pituitaries from male rats to thyrotropin-releasing hormone in vitro. Experientia 42, 1031–1034 (1986). https://doi.org/10.1007/BF01940719

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  • DOI: https://doi.org/10.1007/BF01940719

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