Different Gene Control in Fat Tissues of Obese Mice
Author Information
Author(s): Poussin Carine, Hall Diana, Minehira Kaori, Galzin Anne-Marie, Tarussio David, Thorens Bernard
Primary Institution: Center for Integrative Genomics and Department of Physiology, University of Lausanne
Hypothesis
The study investigates the different transcriptional responses of visceral and subcutaneous fat tissues to a high-fat diet and rimonabant treatment in obese mice.
Conclusion
Visceral and subcutaneous fat tissues exhibit distinct gene expression patterns in response to a high-fat diet and rimonabant treatment, which may inform targeted obesity therapies.
Supporting Evidence
- Visceral fat showed down-regulation of metabolic genes regardless of body weight.
- Subcutaneous fat had different metabolic and structural gene responses compared to visceral fat.
- Rimonabant treatment normalized gene expression in both fat types but affected oxidative phosphorylation differently.
Takeaway
The study found that the fat in different parts of the body reacts differently to diets and treatments, which could help doctors find better ways to treat obesity.
Methodology
C57Bl/6 mice were fed a high-fat diet for 6 months, then treated with rimonabant or vehicle for 24 days, followed by transcriptomic analysis of fat tissues.
Limitations
The study was conducted on mice, which may not fully replicate human responses to diet and treatment.
Participant Demographics
C57Bl/6 male mice, aged six weeks at the start of the study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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