Document Detail


Influence of feeding pattern on thyroid hormones in long-term food-restricted rats.
MedLine Citation:
PMID:  8858374     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effect of a long-term 50% food restriction on plasma thyroid hormone levels was studied in adult male rats, which received their reduced daily amount of food either as one meal or 5 different meals. Compared to controls, a long-term food restriction reduced total 24 h-mean plasma T4, T3 and TSH concentrations. The total T4 level was more reduced in rats fed their reduced ration in one meal than in rats given food in several meals. This resulted in a higher T3/T4 ratio in the former group of rats than in the other groups (free access to food; food in several meals). In the control group and in the food-restricted group receiving their food in one meal, significant diurnal variations in total T4, T3 and TSH levels were seen. The T3 rhythm was abolished in food-restricted rats receiving their food spread over several meals, but T4 and TSH rhythms were not. We conclude that total peripheral thyroid hormone levels infood-restricted rats are influenced, not only by the amount of food but also by the feeding pattern.
Authors:
M Cokelaere; E Decuypere; G Flo; V M Darras; E R Kühn
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et métabolisme     Volume:  28     ISSN:  0018-5043     ISO Abbreviation:  Horm. Metab. Res.     Publication Date:  1996 Jul 
Date Detail:
Created Date:  1996-12-30     Completed Date:  1996-12-30     Revised Date:  2009-02-19    
Medline Journal Info:
Nlm Unique ID:  0177722     Medline TA:  Horm Metab Res     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  315-8     Citation Subset:  IM    
Affiliation:
Interdisciplinary Research Center, Katholieke Universiteit Leuven, Kortrijk, Belgium.
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MeSH Terms
Descriptor/Qualifier:
Animals
Circadian Rhythm
Diet*
Male
Radioimmunoassay
Rats
Rats, Wistar
Thyroid Hormones / blood,  metabolism*
Thyrotropin / blood,  metabolism
Thyroxine / blood,  metabolism
Triiodothyronine / blood,  metabolism
Chemical
Reg. No./Substance:
0/Thyroid Hormones; 6893-02-3/Triiodothyronine; 7488-70-2/Thyroxine; 9002-71-5/Thyrotropin

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


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