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Galangin suppresses H2 O2 -induced aging in human dermal fibroblasts

Su-Ying Wen1,2, Jia-Yi Chen3, Yueh-Shan Weng3

  • 1Department of Dermatology, Taipei City Hospital, Renai Branch, Taipei, Taiwan.

Environmental Toxicology
|August 24, 2017
PubMed

Insights

Galangin, a natural flavonoid, combats skin aging by reducing inflammation and oxidative stress in human skin cells. This compound shows potential for natural anti-aging products, protecting skin from damage caused by reactive oxygen species.

Area of Science:

  • Dermatology
  • Cell Biology
  • Biochemistry

Background:

  • Human skin aging results from intrinsic factors and photodamage, leading to reactive oxygen species (ROS) accumulation.
  • ROS contribute to dermal fibrosis, wrinkles, and impaired fibroblast function.
  • Galangin, a flavonoid, possesses known anti-inflammatory and antioxidant properties relevant to skin health.

Purpose of the Study:

  • To investigate the anti-aging effects of galangin on human dermal fibroblasts.
  • To assess galangin's ability to counteract hydrogen peroxide (H2O2)-induced aging and inflammation in skin cells.

Main Methods:

  • Established a hydrogen peroxide (H2O2)-induced inflammation and aging model using human HS68 dermal fibroblasts.
  • Evaluated the impact of galangin on NF-κB activation, inflammatory protein expression, collagen I/III levels, and cell senescence.
  • Assessed changes in IGF1R/Akt-related proteins following galangin treatment.

Main Results:

  • H2O2 exposure induced skin aging markers, increased inflammatory proteins, and decreased collagen production in fibroblasts.
  • Galangin treatment significantly reduced NF-κB activation and inflammatory protein expression.
  • Galangin reversed H2O2-induced cell senescence and upregulated IGF1R/Akt-related proteins.

Conclusions:

  • Galangin demonstrates protective effects on human dermal fibroblasts against oxidative stress and aging.
  • It functions by inhibiting NF-κB activation, reducing inflammation, and modulating key signaling pathways.
  • Galangin is a promising candidate for natural anti-aging skincare formulations.
Keywords:
anti-inflammatoryantiagingantioxidationdermal fibroblastsgalangin

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