Dynamics of Fat Mass in DUhTP Mice Selected for Running Performance - Fat Mobilization in a Walk
2015
Julia Brenmoehl | Daniela Ohde | Christina Walz | Julia Schultz | Armin Tuchscherer | Florian Rieder | Ulla Renne | Andreas Hoeflich
Objective: Reduction of body fat can be achieved by dietary programs and/or aerobic exercise training. More convenient methods to rid the body of excess fat are needed. However, it is unclear whether it is possible to more easily lose body weight at all. Methods: DUhTP mice bred through phenotype selection for high treadmill performance and unselected controls were voluntarily physically active in a running wheel over a period of 3 weeks. Phenotypical data were collected, and subcutaneous fat was analyzed for expression of mitochondria-relevant proteins. Results: Voluntary physical activity over 3 weeks exclusively in DUhTP mice severely reduced subcutaneous (-38%; p Conclusion: Our findings indicate that the mitochondrial mass is highly active in DUhTP mice and responsive even to mild physical activity. While genetic predisposition could not prevent fat accretion in DUhTP mice, voluntary activity was sufficient to reduce excess body fat almost completely.
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