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Knockout models resulting in the development of obesity
1Vollum Institute, Oregon Health Sciences University, 3181 SW Sam Jackson Park Road, Portland, OR 97201, USA.
Trends in Genetics : TIG
|October 5, 2001
Summary
Mouse models with obesity-causing mutations have advanced body weight regulation knowledge. Gene knockout studies further identified numerous genes impacting adiposity through metabolism, activity, and appetite control.
Area of Science:
- Physiology
- Genetics
- Obesity Research
Background:
- Body weight regulation is complex, involving multiple physiological pathways.
- Mouse models have been instrumental in uncovering genetic factors influencing obesity.
Purpose of the Study:
- To summarize the impact of mouse models on understanding body weight regulation.
- To highlight the role of genetic mutations and knockout models in identifying obesity-related genes.
Main Methods:
- Characterization of naturally occurring mutations in mice causing obesity.
- Analysis of gene knockout models to assess effects on adiposity.
Main Results:
- Identification of key genes influencing body weight through metabolic rate.
- Discovery of genes affecting physical activity levels in obesity.
- Uncovering genetic influences on appetite regulation and energy balance.
Conclusions:
- Mouse models are crucial for dissecting the genetic architecture of body weight.
- Further research in mouse models will continue to expand our understanding of obesity mechanisms.