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Relationship between skin collagen and bone changes during aging

C Castelo-Branco1, F Pons, E Gratacós

  • 1Department of Gynaecology and Obstetrics, Hospital Clinic i Provincial de Barcelona, School of Medicine, University of Barcelona, Spain.

Maturitas
|March 1, 1994
PubMed
Summary
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Skin collagen and bone mass decline with age, particularly after menopause. This study found a significant parallel decrease in both, suggesting a link influenced by estrogen deficiency.

Area of Science:

  • Dermatology
  • Gerontology
  • Endocrinology

Background:

  • Estrogen deficiency after menopause is linked to decreased skin collagen and bone mass.
  • Aging affects both skin collagen content and bone density.

Purpose of the Study:

  • To investigate the relationship between age-related changes in skin collagen and bone mass.
  • To explore the impact of postmenopausal hypoestrogenism on skin collagen.

Main Methods:

  • Studied 76 nulliparous women aged 20-60, grouped by age.
  • Measured bone mineral density (BMD) via dual photon absorptiometry.
  • Analyzed skin biopsies for collagen content and determined osteocalcin levels.

Main Results:

  • Collagen significantly decreased with age after the 40s and post-menopause (P < 0.001).

Related Experiment Videos

  • Bone mass changes closely correlated with collagen levels (r = 0.586; P < 0.0001).

    • Conclusions:

    • Bone mass and skin collagen decline in parallel during aging.
    • Postmenopausal hypoestrogenism significantly impacts skin collagen content.
    • Further research is needed to determine if osteoporosis is a collagen disorder.