Anti-wrinkle and anti-inflammatory effects of active garlic components and the inhibition of MMPs via NF-κB signaling

PLoS One. 2013 Sep 16;8(9):e73877. doi: 10.1371/journal.pone.0073877. eCollection 2013.

Abstract

Skin aging is a multisystem degenerative process caused by several factors, such as, UV irradiation, stress, and smoke. Furthermore, wrinkle formation is a striking feature of photoaging and is associated with oxidative stress and inflammatory response. In the present study, we investigated whether caffeic acid, S-allyl cysteine, and uracil, which were isolated from garlic, modulate UVB-induced wrinkle formation and effect the expression of matrix-metalloproteinase (MMP) and NF-κB signaling. The results obtained showed that all three compounds significantly inhibited the degradation of type І procollagen and the expressions of MMPs in vivo and attenuated the histological collagen fiber disorder and oxidative stress in vivo. Furthermore, caffeic acid and S-allyl cysteine were found to decrease oxidative stress and inflammation by modulating the activities of NF-κB and AP-1, and uracil exhibited an indirect anti-oxidant effect by suppressing cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) expressions levels and downregulating transcriptional factors. These results suggest that the anti-wrinkle effects of caffeic acid, S-allyl cysteine, and uracil are due to anti-oxidant and/or anti-inflammatory effects. Summarizing, caffeic acid, S-allyl cysteine, and uracil inhibited UVB-induced wrinkle formation by modulating MMP via NF-κB signaling.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Anti-Inflammatory Agents / chemistry
  • Anti-Inflammatory Agents / therapeutic use*
  • Caffeic Acids / therapeutic use
  • Cysteine / analogs & derivatives
  • Cysteine / therapeutic use
  • Garlic / chemistry*
  • Male
  • Matrix Metalloproteinases / metabolism*
  • Mice
  • NF-kappa B / metabolism*
  • Oxidative Stress / drug effects
  • Signal Transduction / drug effects
  • Signal Transduction / radiation effects
  • Skin Aging / drug effects*
  • Skin Aging / radiation effects
  • Ultraviolet Rays
  • Uracil / therapeutic use

Substances

  • Anti-Inflammatory Agents
  • Caffeic Acids
  • NF-kappa B
  • Uracil
  • S-allylcysteine
  • Matrix Metalloproteinases
  • Cysteine
  • caffeic acid

Grants and funding

This work was carried out with the support of the “Cooperative Research Program for Agriculture Science & Technology Development (Project No. PJ00652213)” Rural Development Administration, Republic of Korea. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.