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

  • T. K. Tang*
  • , S. W. Wang
  • , P. S. Wang
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

15 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)1031-1034
Number of pages4
JournalExperientia
Volume42
Issue number9
DOIs
StatePublished - 09 1986
Externally publishedYes

Keywords

  • TRH
  • Thyroidectomy
  • rat TSH
  • rat prolactin

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