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How obesity causes diabetes: not a tall tale
1Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, and The Penn Diabetes Center, University of Pennsylvania School of Medicine, Philadelphia, PA 19104-6149, USA. lazar@mail.med.upenn.edu
Science (New York, N.Y.)
|January 22, 2005
Summary
Obesity-associated diabetes is a growing crisis. Mechanistic studies reveal fat molecules and inflammation link obesity to diabetes, offering potential therapeutic targets.
Area of Science:
- Endocrinology and Metabolism
- Molecular Biology
- Evolutionary Medicine
Background:
- Obesity-associated diabetes represents a significant global health crisis.
- Modern lifestyles with abundant food and reduced physical activity exacerbate this epidemic.
- Understanding the biological underpinnings is crucial for effective intervention.
Purpose of the Study:
- To explore the biological basis of obesity-associated diabetes.
- To review evolutionary and mechanistic perspectives on the obesity-diabetes connection.
- To identify potential therapeutic targets based on mechanistic findings.
Main Methods:
- Review of evolutionary theories regarding 'thrifty' genes.
- Analysis of mechanistic studies investigating molecular pathways.
- Examination of the role of fat-derived molecules and inflammation.
Main Results:
- Evolutionary theories, while interesting, are speculative and difficult to validate.
- Mechanistic studies have identified numerous fat-derived molecules.
- A significant link between these molecules, inflammation, and obesity-diabetes has been uncovered.
Conclusions:
- The interplay of fat-derived molecules and inflammation is a key factor in obesity-associated diabetes.
- These mechanistic insights provide promising avenues for therapeutic development.
- Further research into these pathways could lead to novel treatments for this widespread condition.
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