نتایج جستجو برای: iodothyronine
تعداد نتایج: 1064 فیلتر نتایج به سال:
AIMS The aim of this study was to assess the haemodynamic effects of tri-iodothyronine (T3) and methylprednisolone in potential heart donors. METHODS AND RESULTS In a prospective randomized double-blind trial, 80 potential cardiac donors were allocated to receive T3 (0.8 microg kg(-1) bolus; 0.113 microg kg(-1) h(-1) infusion) (n = 20), methylprednisolone (1000 mg bolus) (n = 19), both drugs ...
The thyroid axis is comprised of thyrotropin-releasing hormone (TRH) at the level of the hypothalamus which stimulates the pituitary to release thyrotropin (TSH). TSH in turn stimulates the thyroid to secrete the pro-hormone thyroxin (T4) and to a lesser extent the receptor active hormone tri-iodothyronine (T3). The majority of circulating T3 is generated by peripheral conversion of T4 by the i...
Iodothyronine deiodinases are a family of enzymes that remove specific iodine atoms from one of the two aromatic rings in thyroid hormones (THs). They thereby fine-tune local TH concentrations and cellular TH signaling. Deiodinases catalyze a remarkable biochemical reaction, i.e., the reductive elimination of a halogenide from an aromatic ring. In metazoans, deiodinases depend on the rare amino...
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