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Collagen, ageing and nutrition.

Jacques Frey1

  • 1University of Saint-Etienne, Saint-Etienne, France. jacfrey@free.fr

Clinical Chemistry and Laboratory Medicine
|April 6, 2004
PubMed
Summary
This summary is machine-generated.

Nutrition impacts ageing through collagen. Diet restriction decreases collagen ageing, while being overweight increases it, affecting tissue health and lifespan.

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Area of Science:

  • Gerontology and Nutritional Science
  • Biochemistry of Aging
  • Connective Tissue Metabolism

Background:

  • The aging process is influenced by nutritional status.
  • Collagen, a key structural protein, is implicated in aging.
  • Nutritional interventions may modulate age-related changes in collagen.

Purpose of the Study:

  • To investigate the role of nutrition in collagen aging.
  • To explore the effects of diet restriction and overweight on collagen accumulation and aging.
  • To understand the consequences of collagen aging on vital tissues.

Main Methods:

  • Review of existing data on diet, aging, and collagen.
  • Analysis of collagen turnover and glycoxidation markers.
  • Assessment of tissue stiffness and weakness in relation to collagen aging.

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Main Results:

  • Diet restriction was associated with reduced collagen accumulation and aging.
  • Overweight status correlated with decreased lifespan and increased collagen aging.
  • Collagen aging, characterized by low turnover and glycoxidation, leads to increased tissue stiffness and weakness.

Conclusions:

  • Nutritional status significantly modulates collagen aging.
  • Both undernutrition (via diet restriction) and overnutrition (overweight) have distinct impacts on collagen.
  • Collagen aging contributes to the functional decline of vital tissues, impacting overall health and longevity.