منابع مشابه
S81-86_swu 14.pmd
Background: Neonatal hyperbilirubinemia leads to bilirubin neurotoxicity. Noninvasive transcutaneous bilirubin (TcB) levels can be used as a screening tool for total serum bilirubin (TSB) levels. Objective: To evaluate the correlation of TcB for TSB levels before, during and after phototherapy and find the most reliable cutoff values of TcB levels with the highest sensitivity and specificity fo...
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The activity of the thyroid gland diminishes during ageing, but a certain tissue reserve of T3 and its metabolites is maintained. This reserve is thought to play a regulatory role in energy homeostasis during ageing. This review critically assesses this notion. T3 was thought to act predominantly through pathways that require transcriptional regulation by thyroid hormone receptors (TRs). Howeve...
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A new study shows that iodothyronines induce metamorphosis in the cephalochordate amphioxus by binding to a receptor homologous to vertebrate thyroid hormone receptors. Iodothyronine-induced metamorphosis may be an ancestral feature of the chordates.
متن کاملTandem mass spectrometry of deprotonated iodothyronines.
In order to assist with the development of more selective and sensitive methods for thyroid hormone analysis the [M-H]- anions of the iodothyronines T4, T3, rT3, (3,5)-T2 and the non-iodinated thyronine (T0) have been generated by negative ion electrospray mass spectrometry. Tandem mass spectra of these ions were recorded on a triple-quadrupole mass spectrometer and show a strong analogy with t...
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tration of protein-bound iodine in plasma was decreased, and the binding of the hormones by plasma proteins was increased. The enhanced rate of metabolism of iodothyronines was associated with stimulation of the binding of these hormones by diverse tissues, suggesting the participation of extrahepatic degradative foci in the increased hormonal deiodination observed in vivo. Increased hepatocell...
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ژورنال
عنوان ژورنال: Biochimica et Biophysica Acta (BBA) - Bioenergetics
سال: 2008
ISSN: 0005-2728
DOI: 10.1016/j.bbabio.2008.05.189