Lack of effect of thyroid hormones on the growth hormone response to thyrotropin-releasing hormone in acromegaly. 1977

H E Carlson, and J R Sowers, and R W Rand

Serum growth hormone (GH) responses to thyrotropin-releasing hormone (TRH) were evaluated in 14 patients with acromegaly following treatment with thyroid hormones. After an initial TRH test, seven patients received L-triiodothyronine, 100 mug daily for seven days; the GH response to TRH was not significantly altered by this treatment. Similar findings were noted in two acromegalic subjects who were tested with TRH before and after longer periods of administration of L-thyroxine. Four of five additional subjects with acromegaly who had received replacement doses of thyroid hormones for an average of 6.6 yr demonstrated GH responses to TRH which were similar to those seen in subjects not receiving thyroid hormones. Acute or long-term administration of replacement doses of thyroid hormones seems to have minimal effect on the GH response to TRH in acromegaly.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011388 Prolactin A lactogenic hormone secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). It is a polypeptide of approximately 23 kD. Besides its major action on lactation, in some species prolactin exerts effects on reproduction, maternal behavior, fat metabolism, immunomodulation and osmoregulation. Prolactin receptors are present in the mammary gland, hypothalamus, liver, ovary, testis, and prostate. Lactogenic Hormone, Pituitary,Mammotropic Hormone, Pituitary,Mammotropin,PRL (Prolactin),Hormone, Pituitary Lactogenic,Hormone, Pituitary Mammotropic,Pituitary Lactogenic Hormone,Pituitary Mammotropic Hormone
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000172 Acromegaly A condition caused by prolonged exposure to excessive HUMAN GROWTH HORMONE in adults. It is characterized by bony enlargement of the FACE; lower jaw (PROGNATHISM); hands; FEET; HEAD; and THORAX. The most common etiology is a GROWTH HORMONE-SECRETING PITUITARY ADENOMA. (From Joynt, Clinical Neurology, 1992, Ch36, pp79-80) Inappropriate Growth Hormone Secretion Syndrome (Acromegaly),Somatotropin Hypersecretion Syndrome (Acromegaly),Inappropriate GH Secretion Syndrome (Acromegaly),Hypersecretion Syndrome, Somatotropin (Acromegaly),Hypersecretion Syndromes, Somatotropin (Acromegaly),Somatotropin Hypersecretion Syndromes (Acromegaly),Syndrome, Somatotropin Hypersecretion (Acromegaly),Syndromes, Somatotropin Hypersecretion (Acromegaly)
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013006 Growth Hormone A polypeptide that is secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Growth hormone, also known as somatotropin, stimulates mitosis, cell differentiation and cell growth. Species-specific growth hormones have been synthesized. Growth Hormone, Recombinant,Pituitary Growth Hormone,Recombinant Growth Hormone,Somatotropin,Somatotropin, Recombinant,Growth Hormone, Pituitary,Growth Hormones Pituitary, Recombinant,Pituitary Growth Hormones, Recombinant,Recombinant Growth Hormones,Recombinant Pituitary Growth Hormones,Recombinant Somatotropins,Somatotropins, Recombinant,Growth Hormones, Recombinant,Recombinant Somatotropin

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