Abstract

The main objective of this study was to determine whether the principal abnormality of thyroid function observed in patients with chronic renal failure, low serum triiodothyronine (T3) concentration, causes hypothyroidism at the tissue level. A partially nephrectomized (Nx) uremic rat model was developed and the following parameters of thyroid function were assessed: serum total thyroxine (TT4), total T3 (TT3), and thyrotropin and liver T3 content, and activity of two thyroid hormone-dependent enzymes, mitochondrial α-glycerophosphate dehydrogenase (α-GPD) and cytosol malate dehydrogenase (MDH). The results were compared to those of intact control (C), thyroidectomized (Tx), and nephrectomized-thyroidectomized (NxTx) littermates.

Authors

Victoria S. Lim, Carlos Henriquez, Hisao Seo, Samuel Refetoff, Enio Martino

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