Anti-photoaging effects of low molecular-weight fucoidan on ultraviolet B-irradiated mice

Young In Kim, Won Seok Oh, Phil Hyun Song, Sungho Yun, Young Sam Kwon, Young Joon Lee, Sae Kwang Ku, Chang Hyun Song, Tae Ho Oh

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

Ultraviolet (UV) B exposure induces DNA damage and production of reactive oxygen species (ROS), which causes skin photoaging through signaling pathways of inflammation and modulation of extracellular matrix remodeling proteins, collagens, and matrix metalloproteinase (MMP). As low molecular-weight fucoidan (LMF) has potential antioxidant and anti-inflammatory properties, we examined the protective effects of LMF against UVB-induced photoaging. A UVB-irradiated mouse model was topically treated with myricetin or LMF at 2.0, 1.0 and 0.2 mg/cm2 (LMF2.0, LMF1.0 and LMF0.2, respectively) once a day for 15 weeks. Wrinkle formation, inflammation, oxidative stress, MMP expression, and apoptosis in the treated regions were compared with those in a distilled water-treated photoaging model (UVB control). LMF treatments, particularly LMF2.0 and LMF1.0, significantly inhibited the wrinkle formation, skin edema, and neutrophil recruitment into the photo-damaged lesions, compared with those in the UVB control. While LMF decreased interleukin (IL)-1β release, it increased IL-10. The LMF treatment inhibited the oxidative stresses (malondialdehyde and superoxide anion) and enhanced endogenous antioxidants (glutathione). Additionally, LMF reduced the mRNA expression of MMP-1, 9, and 13. The histopathological analyses revealed the anti-photoaging effects of LMF exerted via its antioxidant, anti-apoptotic, and MMP-9-inhibiting effects. These suggest that LMF can be used as a skin-protective remedy for photoaging.

Original languageEnglish
Article number286
JournalMarine Drugs
Volume16
Issue number8
DOIs
StatePublished - 2018

Keywords

  • Anti-inflammation
  • Antioxidant
  • Fucoidan
  • Low molecular-weight
  • MMP
  • Skin-aging
  • UVB

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