| Does intestinal absorption participate in the ponderostat? | |
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MedLine Citation:
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PMID: 17270223 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Body weight regulation is known to achieve energy balance through several responses: appetite, satiety, thermogenesis, feeding behavior. Absorption efficiency might be, also, another response. In this paper, we hypothesized that the intestinal absorption efficiency of the rat might be lowered in response to a high energy content of the diet. Thirty-one rats were assigned to a specific diet (restricted, control, and cafeteria) during three weeks. Rats' body mass, BMI, and body fat were measured and absorption efficiency was calculated through the ratio of energy ingested/energy defecated. Intestinal histology was examined post-mortem. Absorption efficiency was not lower in cafeteria groups but was higher than in control and restricted rats. No histological difference was seen after the various diets. Such results indicate that intestinal absorption is working at full efficiency whatever the diet, and is not a regulatory response contributing to the ponderostat. |
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Authors:
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Sebastien Paradis; Eric Philippe; Michel Cabanac |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2006-12-15 |
Journal Detail:
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Title: Physiology & behavior Volume: 90 ISSN: 0031-9384 ISO Abbreviation: Physiol. Behav. Publication Date: 2007 Mar |
Date Detail:
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Created Date: 2007-03-05 Completed Date: 2007-05-17 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0151504 Medline TA: Physiol Behav Country: United States |
Other Details:
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Languages: eng Pagination: 664-8 Citation Subset: IM |
Affiliation:
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Centre de recherche sur le métabolisme énergétique, Département d'anatomie et physiologie, Université Laval, Québec, Canada G1K 7P4. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adipose Tissue Analysis of Variance Animals Body Mass Index Body Weight / physiology* Diet Energy Metabolism* Feces Intestinal Absorption / physiology* Intestines / cytology Male Rats Rats, Wistar Time Factors |
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