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PubMedDate not supplied

Thyroid function in fragile-X syndrome males.

Twelve males with fragile-X syndrome between the ages of three and 28 years underwent assessment of thyroid function. All 12 subjects demonstrated normal baseline values for thyroid stimulating hormone (TSH), thyroxine, thyroid binding globulin (TBG), and estimated free thyroxine (EFT). Relative to a control group reported in the literature, however, the fragile-X subjects exhibited a blunted TSH response to thyrotropin releasing hormone (TRH). This finding suggests the presence of subtle dysfunction within the hypothalamic-pituitary-thyroid axis. Elevated baseline prolactin levels were also observed among the fragile-X subjects. These results support previous reports of hypothalamic-pituitary abnormalities among fragile-X syndrome males.

Adolescent↗
PubMedDate not supplied

[Action of the body fluorine of healthy persons and thyroidopathy patients on the function of hypophyseal-thyroid the system].

Altogether 123 persons were examined: 47 healthy persons, 43 patients with thyroid hyperfunction and 33 with thyroid hypofunction. It was established that prolonged consumption of drinking water with a raised fluorine content (122 +/- 5 mumol/l with the normal value of 52 +/- 5 mumol/l) by healthy persons caused tension of function of the pituitary-thyroid system that was expressed in TSH elevated production, a decrease in the T3 concentration and more intense absorption of radioactive iodine by the thyroid as compared to healthy persons who consumed drinking water with the normal fluorine concentration. The results led to a conclusion that excess of fluorine in drinking water was a risk factor of more rapid development of thyroid pathology. Indicators of the fluorine content in daily urine provide most of the information on changes of the fluorine amount in the body.

Adolescent↗