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Pathways from obesity to diabetes.

J-P Felber¹, A Golay

¹Institute of Physiology, University of Lausanne, Switzerland.

International Journal of Obesity and Related Metabolic Disorders : Journal of the International Association for the Study of Obesity

|August 14, 2002

Summary

Obesity and type 2 diabetes are linked by insulin resistance, driven by elevated fats. Lifestyle changes can help reverse obesity

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Area of Science:

Endocrinology
Metabolic Diseases
Public Health

Background:

Obesity and type 2 diabetes are significant global health issues.
Impaired insulin release and insulin resistance are key factors in type 2 diabetes development.
Elevated plasma free fatty acids (FFA) in obesity lead to muscle lipid utilization, causing insulin resistance.

Purpose of the Study:

To analyze the mechanisms linking human obesity to type 2 diabetes.
To utilize pathophysiological insights for diabetes prevention strategies.

Main Methods:

Review of prospective studies on obesity and type 2 diabetes.
Analysis of pathophysiological mechanisms, including insulin secretion and resistance.
Examination of the role of free fatty acids (FFA) and lipid utilization.

Main Results:

Obesity-induced insulin resistance is primarily driven by elevated plasma FFA and muscle lipid metabolism.
Increased insulin secretion initially compensates for high glucose levels but declines later.
The progression from obesity to type 2 diabetes involves complex metabolic alterations.

Conclusions:

Understanding the pathophysiology of obesity-related type 2 diabetes is crucial for prevention.
Lifestyle modifications and weight loss programs demonstrate partial reversibility of the obesity-to-diabetes trajectory.

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