Document Detail

Reverse T3 changes during protein supplemented diets. Relation to nutrient combustion rates.
MedLine Citation:
PMID:  2614016     Owner:  NLM     Status:  MEDLINE    
In an attempt to explain reverse T3 changes during protein supplemented semistarvation, reverse T3 (rT3) and T3 changes have been evaluated in regard of bw changes and changes of nutrient combustion. Significant (p less than 0.001) bw and body mass decrease was characterized by a significant (p less than 0.01) increase in rT3 levels, whereas no significant decrease of T3 could be found. During semistarvation carbohydrate combustion decreased from 34 to 13% where lipid combustion rate increased from 51 to 72%. No correlation could be found between delta rT3 and changes in bw, BMR or oxygen consumption. A significant correlation (p less than 0.005) exists between delta rT3 and delta % lipid combustion, while a negative correlation (p less than 0.02) was present between delta rT3 and delta % protein combustion. No correlation exists between delta rT3 and carbohydrate combustion. Although no definite clue could be found for the rT3 increase during semistarvation, a combined effect of lipolysis and lean mass preservation is suggested.
L F Van Gaal; I H De Leeuw
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of endocrinological investigation     Volume:  12     ISSN:  0391-4097     ISO Abbreviation:  J. Endocrinol. Invest.     Publication Date:  1989 Dec 
Date Detail:
Created Date:  1990-03-13     Completed Date:  1990-03-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7806594     Medline TA:  J Endocrinol Invest     Country:  ITALY    
Other Details:
Languages:  eng     Pagination:  799-803     Citation Subset:  IM    
Department of Endocrinology, Metabolism and Clinical Nutrition, University of Antwerp, Belgium.
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MeSH Terms
Creatinine / urine
Dietary Carbohydrates / analysis
Dietary Fats / analysis
Dietary Proteins / analysis,  pharmacology*
Middle Aged
Nitrogen / urine
Obesity / blood,  metabolism
Thyroid Function Tests
Triiodothyronine / blood
Triiodothyronine, Reverse / blood*
Reg. No./Substance:
0/Dietary Carbohydrates; 0/Dietary Fats; 0/Dietary Proteins; 5817-39-0/Triiodothyronine, Reverse; 60-27-5/Creatinine; 6893-02-3/Triiodothyronine; 7727-37-9/Nitrogen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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