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The etiology of the prompt decline in serum T(3) in patients with nonthyroidal illness syndrome has not been adequately explained. It has been attributed to various parameters, including test artifacts, inhibitors of T(4) and T(3) binding to proteins, decreased 5'-deiodinase activity, and circulating cytokines. Currently, much attention is centered on the(More)
OBJECTIVE Kallmann's Syndrome is a heritable disorder characterized by the association of hypogonadotropic hypogonadism and anosmia or hyposmia. A common pathogenesis for KS and schizophrenia had been proposed based on shared pathologies of these two disorders, although no such clinical associations have ever been reported. METHOD We report a 35 year old(More)
OBJECTIVE The aim of this study was to evaluate the effects of intensive physical exercise and acute psychological stress during high level athletic competition as reflected on the levels of salivary cortisol in elite artistic gymnasts (AGs). DESIGN The study included 239 AGs (142 females-97 males) who participated in the European Championship of(More)
The administration of iodide to pregnant and nursing rats induces hypothyroidism in the term fetus and neonatal rat through age 10 days as indicated by an increase in the serum concentration of thyroid-stimulating hormone and a decrease in the serum of thyroxine and triiodothyronine. Thyroid function returned to normal from age 18 through 60 days in spite(More)
The genetic potentials for growth can be fully expressed only under favourable environmental conditions. Excessive physical training may negatively affect growth, especially during puberty. Sports that require a strict control of energy input in the presence of a high energy output are of particular concern. In gymnastics, a different pattern in skeletal(More)
Steroids determination in saliva offers several advantages. The collection of saliva is a noninvasive, less stressful technique than blood withdrawal and reflects the circulating unbound fractions. The suitability of saliva for 17-hydroxyprogesterone and cortisol determinations has been documented in healthy subjects as well as in diseases like Congenital(More)
In order to determine whether T4, TSH, or both affect hypothalamic TRH content, primary or secondary hypothyroidism was induced in the rat by thyroidectomy (Tx) or hypophysectomy (Hx), respectively. Two weeks later, rats were treated with T4, TSH, or both for 14--16 days. Tx or Hx significantly decreased hypothalamic TRH content, and T4 treatment restored(More)
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