Thyrotropin-Releasing Hormone and the Thyroid Hormone Feedback Mechanism
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چکیده
منابع مشابه
The Therapeutic Effect of Thyrotropin Releasing Hormone in Amyotrophic Sclerosis
Although the issue has not yet been fully resolved, there is reason to believe that TRI-I may have a trophic effect on the normal motoneuron and may transien tly improve the neurologic deficit in ALS. Since ALS is not a simple TRI-I deficiency disease, this improvement probably occurs via a secondary mecha -nism-possibly another neurotransmitter. It is uncertain at this time whether this effec...
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SUMMARY The foliowing cardiac effects may be attributed to thyroxin: 1-Thyroxin augments all anaerobic processes in the body includ::ng the heart, and decreases the glycogen content of the heart ( 1, 2, 5, 27). The resistance of the heart to anoxia is increased in hyperthyroidism ( 25). 2- Thyroxin influences the cardiac weight and prevents cardiac atrophy (3, 8, 10, 11, 19, 20, 21, 30...
متن کاملThyroid hormone inhibition of the prolactin response to thyrotropin-releasing hormone.
The influence of serum triiodothyronine (T(3)) and thyroxine (T(4)) concentrations on the release of prolactin in man was studied by determining the prolactin response to synthetic thyrotropin-releasing hormone (TRH) in hypothyroid and hyperthyroid patients before and after correction of their serum thyroid hormone abnormalities. The maximum increment in serum prolactin above the basal level (m...
متن کاملCritical role for thyroid hormone receptor beta2 in the regulation of paraventricular thyrotropin-releasing hormone neurons.
Thyroid hormone thyroxine (T(4)) and tri-iodothyronine (T(3)) production is regulated by feedback inhibition of thyrotropin (TSH) and thyrotropin-releasing hormone (TRH) synthesis in the pituitary and hypothalamus when T(3) binds to thyroid hormone receptors (TRs) interacting with the promoters of the genes for the TSH subunit and TRH. All of the TR isoforms likely participate in the negative r...
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ژورنال
عنوان ژورنال: Endocrinology
سال: 2009
ISSN: 0013-7227,1945-7170
DOI: 10.1210/en.2008-1795