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  • Title: Hypothalamic hormone interaction in acromegaly.
    Author: Gomez-Pan A, Tunbridge WM, Duns A, Hall R, Besser GM, Coy DH, Schally AV, Kastin AJ.
    Journal: Clin Endocrinol (Oxf); 1975 Sep; 4(5):455-60. PubMed ID: 170027.
    Abstract:
    The growth hormone response to the administration of the currently available synthetic hypothalamic hormones was assessed in eleven patients with acromegaly. Eight of them showed a positive GH response to thyrotrophin releasing hormone and three showed no response. The GH response to TRH was shown to be unrelated to the thyrotrophin response to TRH. The GH response to TRH was inhibited by the administration of growth hormone release inhibiting hormone. Luteinizing hormone/follicle stimulating hormone releasing hormone (LHRH) caused a positive GH response in four patients, but this was trivial in three. The TRH mediated GH release in acromegaly is not mediated via TSH and appears to be attributable to loss of specificity of the receptor sites on the somatotroph to the hypothalamic hormones.
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