Document Detail


Wheel access does not attenuate weight gain in mice fed high-fat or high-CHO diets.
MedLine Citation:
PMID:  19927024     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: To determine the effect of a high-fat or high-carbohydrate diet and running wheel activity on body composition, body mass, and caloric intake in C57Bl/6 mice.
METHODS: At 4 wk of age, five groups of C57Bl/6 mice were housed individually. Two groups had running wheels, whereas the other three groups did not. Within the running wheel groups, FAT-W consumed a high-fat diet (60.3% fat) and CHO-W consumed a high-carbohydrate diet (70.4% carbohydrate). Within the nonrunning groups, FAT consumed the high-fat diet, CHO consumed the high-carbohydrate diet, and the fifth group consumed standard chow. All groups consumed food ad libitum and were exposed to their respective conditions for 12 wk. Wheel activity, food consumption, body mass (BM), and percentage of body fat (%BF) were recorded.
RESULTS: There was no significant difference in %BF or BM at the end of 12 wk between FAT-W and FAT or between CHO-W and CHO (P > 0.05). %BF was significantly higher in both FAT-W (42.9% +/- 0.6%) and FAT (45.9% +/- 0.8%) compared with CHO-W (30.8% +/- 1.4%) or CHO (33.4% +/- 1.0%; P < 0.001). BM was significantly higher in both FAT-W (42.8 +/- 0.7 g) and FAT (44.7 +/- 1.2 g) compared with either CHO-W (32.8 +/- 1.6 g) or CHO (37.1 +/- 0.8; P < 0.01). There was no difference in wheel activity between FAT-W and CHO-W (P > 0.05). Daily caloric intake was higher in both FAT-W (17.0 +/- 0.8 kcal) and FAT (15.9 +/- 0.9 kcal) compared with that in CHO-W (13.9 +/- 0.7 kcal) and CHO (13.6 +/- 0.5 kcal; P < 0.01).
CONCLUSIONS: Access to a running wheel had no protective effect on BM or %BF in C57Bl/6 mice that consumed either a high-fat or a high-carbohydrate diet during a 12-wk period. Access to a running wheel did not affect caloric intake; however, average daily caloric intake was higher in mice on high-fat diets compared with that in mice on a high-carbohydrate diet.
Authors:
Alan P Jung; David R Luthin
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  42     ISSN:  1530-0315     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-01-20     Completed Date:  2010-04-29     Revised Date:  2011-07-22    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  355-60     Citation Subset:  IM; S    
Affiliation:
Samford University, Birmingham, AL 35229, USA. apjung@samford.edu
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MeSH Terms
Descriptor/Qualifier:
Animals
Body Composition / physiology
Body Mass Index
Dietary Carbohydrates / administration & dosage*,  metabolism
Dietary Fats / administration & dosage*,  metabolism
Energy Intake
Male
Mice
Mice, Inbred C57BL
Obesity / prevention & control*
Physical Conditioning, Animal / instrumentation*
Random Allocation
Weight Gain*
Grant Support
ID/Acronym/Agency:
P30 DK056336-01/DK/NIDDK NIH HHS; P30DK56336/DK/NIDDK NIH HHS; P60 DK079626-01/DK/NIDDK NIH HHS; P60DK079626/DK/NIDDK NIH HHS
Chemical
Reg. No./Substance:
0/Dietary Carbohydrates; 0/Dietary Fats
Comments/Corrections

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