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[From obesity to diabetes]

J P Felber1, A Golay

  • 1Institut de Physiologie, Université de Lausanne, Suisse.

Annales D'Endocrinologie
|January 1, 1995
PubMed
Summary

Obesity progresses to Type 2 diabetes through glucose intolerance, driven by increased lipid oxidation impairing glucose utilization and storage. This metabolic shift eventually overwhelms the body's compensatory mechanisms, leading to diabetes.

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Area of Science:

  • Metabolic Syndrome
  • Endocrinology
  • Pathophysiology

Context:

  • Obesity is a significant risk factor for Type 2 diabetes.
  • Understanding the metabolic continuum from obesity to diabetes is crucial.

Purpose:

  • To elucidate the pathophysiological continuum from obesity to Type 2 diabetes.
  • To identify the key metabolic defects driving this progression.

Summary:

  • Increased lipid oxidation in obesity shifts energy metabolism from glucose to fatty acids.
  • Insulin resistance, initially compensated, leads to impaired glucose storage and utilization.
  • Diabetes develops when hyperglycemia and hyperinsulinemia can no longer overcome glucose storage inhibition, exacerbated by reduced insulin secretion and increased hepatic glucose production.

Impact:

  • Provides a mechanistic understanding of obesity-induced diabetes.
  • Highlights the role of altered lipid and glucose metabolism.
  • Informs potential therapeutic strategies targeting metabolic dysregulation in obesity and diabetes.

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