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Isocaloric carbohydrate deprivation induces protein catabolism despite a low T3‐syndrome in healthy men by P. H. Bisschop; H. P. Sauerwein; E. Endert; J. A. Romijn is a Medicine article available to read on EtoBox.

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Dietary carbohydrate content is a major factor determining endocrine and metabolic regulation. The aim of this study was to evaluate the relation between thyroid hormone levels and metabolic parameters during eucaloric carbohydrate deprivation. We measured thyroid hormone levels, resting energy expenditure (by indirect calorimetry) and urinary nitrogen excretion in six healthy males after 11 days of three isocaloric diets containing 15% of energy equivalents as protein and 85%, 44% and 2% as carbohydrates. In contrast to the high and intermediate carbohydrate diets, carbohydrate deprivation decreased plasma T~3~ values (1·78 ± 0·09 and 1·71 ± 0·07 __vs.__ 1·33 ± 0·05 nmol/l, respectively, __P__ < 0·01), whereas reverse T~3~, T~3~ uptake and free T~4~ levels increased simultaneously compared to the other two diets. TSH values were not different among the three diets. Although dietary carbohydrate content did not influence resting energy expenditure, carbohydrate deprivation increased urinary nitrogen excretion (10·91 ± 0·67 and 12·79 ± 1·14 __vs.__ 15·89 ± 1·10 g/24 h, respectively, __P__ = 0·03). Eucaloric carbohydrate deprivation increases protein catabolism despite decreased plas

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Author

P. H. Bisschop; H. P. Sauerwein; E. Endert; J. A. Romijn

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; Research Square (ISSN 0300-0664)

Published

2001

Language

EN

Field

Medicine (Health Sciences)