Anti-inflammatory Activity of an Ethanol Extract of Laminaria japonica Root on Lipopolysaccharide-induced Inflammatory Responses in RAW 264.7 Cells

Lipopolysaccharide로 유도된 RAW 264.7 세포에서 다시마 뿌리 에탄올 추출물의 항염증 효과

  • Kang, Bo-Kyeong (Department of Food Science & Technology/Institute of Food Science, Pukyong National University) ;
  • Kim, Koth-Bong-Woo-Ri (Institute of Fisheries Sciences, Pukyong National University) ;
  • Kim, Min-Ji (Institute of Fisheries Sciences, Pukyong National University) ;
  • Bark, Si-Woo (Department of Food Science & Technology/Institute of Food Science, Pukyong National University) ;
  • Pak, Won-Min (Department of Food Science & Technology/Institute of Food Science, Pukyong National University) ;
  • Kim, Bo-Ram (Department of Food Science & Technology/Institute of Food Science, Pukyong National University) ;
  • Ahn, Na-Kyung (Department of Food Science & Technology/Institute of Food Science, Pukyong National University) ;
  • Choi, Yeon-Uk (Department of Food Science & Technology/Institute of Food Science, Pukyong National University) ;
  • Ahn, Dong-Hyun (Department of Food Science & Technology/Institute of Food Science, Pukyong National University)
  • 강보경 (부경대학교 식품공학과/식품연구소) ;
  • 김꽃봉우리 (부경대학교 수산과학연구소) ;
  • 김민지 (부경대학교 수산과학연구소) ;
  • 박시우 (부경대학교 식품공학과/식품연구소) ;
  • 박원민 (부경대학교 식품공학과/식품연구소) ;
  • 김보람 (부경대학교 식품공학과/식품연구소) ;
  • 안나경 (부경대학교 식품공학과/식품연구소) ;
  • 최연욱 (부경대학교 식품공학과/식품연구소) ;
  • 안동현 (부경대학교 식품공학과/식품연구소)
  • Received : 2014.08.02
  • Accepted : 2014.10.16
  • Published : 2014.12.31


Laminaria japonica roots have not been used practically in Korea. In this study, in order to promote the use of these by-products, the anti-inflammatory activity of an ethanol extract of Laminaria japonica root (LJREE) was investigated using a lipopolysaccharide (LPS) to induce an inflammatory response in RAW 264.7 cells. To examine the potential anti-inflammatory effects of LJREE, levels of nitric oxide (NO) and pro-inflammatory cytokines, such as interleukin-6 (IL-6), tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), and interleukin-$1{\beta}$ (IL-$1{\beta}$), and cell proliferation were measured. We found that NO levels decreased in a dose-dependent manner, the production of IL-6, TNF-${\alpha}$, and IL-$1{\beta}$ was suppressed, and the production of IL-$1{\beta}$ was inhibited over 30% after treatment with $100{\mu}g/mL$ LJREE. In conclusion, the proliferation of RAW 264.7 cells, measured by MTT assay, confirmed that LJREE may have significant effects on inflammatory factors without any cytotoxicity, making it a potential anti-inflammatory agent.


Supported by : 해양수산부


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