Lack of effect of steroids on thyrotropin releasing hormone (TRH) mediated thyrotropin (TSH) release in man

P. D. Woolf, D. Gonzalez-Barcena, D. S. Schalch, L. A. Lee, J. P. Arzac, Andrew V Schally, A. J. Kastin

Research output: Contribution to journalArticle

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Abstract

Plasma thyrotropin levels were measured after the acute i.v. administration of 400 μg of synthetic thyrotropin releasing hormone (TRH) in 6 patients with Addison's disease, 2 patients with thrombocytopenia, and 3 postmenopausal women before and after treatment with cortisone acetate (37.5 mg/day), prednisone (150 mg/day) and diethylstilbestrol (15.0 mg), respectively. All had normal thyroid function with the exception of one hypothyroid postmenopausal woman. There was no significant difference between the responses to TRH before and after steroids, nor between either response and the TSH release found in a group of 20 healthy male volunteers, except for the hypothyroid woman who had a supranormal response and the thrombocytopenic patients whose responses were blunted. In addition, 5 normal volunteers received 100 μg TRH i.v. 1 hr after the acute i.v. administration of 30.0 mg methyl prednisolone, 3.0 mg ethinyl estradiol, or saline. There was no significant change in the basal TSH concentration during the 1 hr interval prior to TRH treatment, and the TSH response to TRH after the administration of either steroid was not significantly different from that after the saline control. It is concluded that neither acute pharmacologic treatment nor chronic replacement therapy with either estrogens or corticosteroids affects the TSH response of the pituitary to TRH in man. However, chronic pharmacologic treatment with glucocorticosteroids may have a suppressive effect.

Original languageEnglish
Pages (from-to)56-62
Number of pages7
JournalNeuroendocrinology
Volume13
Issue number1-2
StatePublished - Jan 1 1974
Externally publishedYes

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Thyrotropin-Releasing Hormone
Thyrotropin
Steroids
Healthy Volunteers
Therapeutics
Addison Disease
Ethinyl Estradiol
Diethylstilbestrol
Prednisone
Prednisolone
Adrenal Cortex Hormones
Thyroid Gland
Estrogens

ASJC Scopus subject areas

  • Endocrinology
  • Neuroscience(all)

Cite this

Woolf, P. D., Gonzalez-Barcena, D., Schalch, D. S., Lee, L. A., Arzac, J. P., Schally, A. V., & Kastin, A. J. (1974). Lack of effect of steroids on thyrotropin releasing hormone (TRH) mediated thyrotropin (TSH) release in man. Neuroendocrinology, 13(1-2), 56-62.

Lack of effect of steroids on thyrotropin releasing hormone (TRH) mediated thyrotropin (TSH) release in man. / Woolf, P. D.; Gonzalez-Barcena, D.; Schalch, D. S.; Lee, L. A.; Arzac, J. P.; Schally, Andrew V; Kastin, A. J.

In: Neuroendocrinology, Vol. 13, No. 1-2, 01.01.1974, p. 56-62.

Research output: Contribution to journalArticle

Woolf, PD, Gonzalez-Barcena, D, Schalch, DS, Lee, LA, Arzac, JP, Schally, AV & Kastin, AJ 1974, 'Lack of effect of steroids on thyrotropin releasing hormone (TRH) mediated thyrotropin (TSH) release in man', Neuroendocrinology, vol. 13, no. 1-2, pp. 56-62.
Woolf PD, Gonzalez-Barcena D, Schalch DS, Lee LA, Arzac JP, Schally AV et al. Lack of effect of steroids on thyrotropin releasing hormone (TRH) mediated thyrotropin (TSH) release in man. Neuroendocrinology. 1974 Jan 1;13(1-2):56-62.
Woolf, P. D. ; Gonzalez-Barcena, D. ; Schalch, D. S. ; Lee, L. A. ; Arzac, J. P. ; Schally, Andrew V ; Kastin, A. J. / Lack of effect of steroids on thyrotropin releasing hormone (TRH) mediated thyrotropin (TSH) release in man. In: Neuroendocrinology. 1974 ; Vol. 13, No. 1-2. pp. 56-62.
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