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[Pathogenesis of obesity].

Monika Lechleitner1

  • 1Universitätsklinik für Innere Medizin, Innsbruck, Osterreich. monika.lechleitner@uibk.ac.at

Wiener Medizinische Wochenschrift (1946)
|September 17, 2004
PubMed
Summary

Obesity results from lifestyle and genetics, with over 70 identified gene loci influencing appetite, energy balance, and fat cell differentiation. Environmental factors interact with genetic predisposition in common obesity.

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Area of Science:

  • Endocrinology
  • Genetics
  • Metabolism

Context:

  • Recent research illuminates appetite, satiety, and energy balance regulation.
  • Adipose tissue functions as an endocrine organ, influencing obesity pathogenesis.
  • Lifestyle factors like diet and exercise significantly contribute to rising obesity rates.

Purpose:

  • To explore the multifaceted pathogenesis of obesity.
  • To identify genetic and environmental factors contributing to obesity.
  • To inform the development of novel weight-reducing medications.

Summary:

  • Obesity pathogenesis involves complex interactions between lifestyle and genetics.
  • Over 70 gene loci are implicated, including those regulating central appetite control (leptin, POMC, MCR-4) and energy expenditure (beta-adrenergic receptors, UCPs, PPARy).
  • Genetic predisposition (30-70%) interacts with environmental factors in common obesity.

Impact:

  • Provides insights into obesity's complex etiology.
  • Highlights potential targets for weight-reducing drug development.
  • Emphasizes the interplay between genetic susceptibility and environmental influences on obesity.

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