Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Anti-inflammatory Effects of Inhalation of Injured Starfish Extracts on Formaldehyde Exposure

손상된 불가사리 추출물 흡입이 포름알데히드 노출에 의한 항염증 작용에 미치는 효과

  • Hwang, Kyung Hee (School of Life Sciences and Biotechnology, College of Natural Sciences, Kyungpook National University) ;
  • Chang, Su Chan (School of Life Sciences and Biotechnology, College of Natural Sciences, Kyungpook National University) ;
  • Park, Jong Seok (School of Life Sciences and Biotechnology, College of Natural Sciences, Kyungpook National University) ;
  • Wahid, Fazli (School of Life Sciences and Biotechnology, College of Natural Sciences, Kyungpook National University) ;
  • Kim, You Young (School of Life Sciences and Biotechnology, College of Natural Sciences, Kyungpook National University)
  • 황경희 (경북대학교 자연과학대학 생명공학부) ;
  • 장수찬 (경북대학교 자연과학대학 생명공학부) ;
  • 박종석 (경북대학교 자연과학대학 생명공학부) ;
  • 와히드 파즈리 (경북대학교 자연과학대학 생명공학부) ;
  • 김유영 (경북대학교 자연과학대학 생명공학부)
  • Received : 2012.12.27
  • Accepted : 2013.04.19
  • Published : 2013.04.30
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Abstract

Formaldehyde (FA) is widely used in industries, and it is an indoor and outdoor pollutant. Exposure to FA may cause inflammation and respiratory oxidative stress. Studies have demonstrated that FA can cause cancer in animal models. During the regeneration process of injured starfish (Asterina pectinifera), several changes have been observed in the expression of cytokines. In particular, higher TGF-${\beta}1$ expression has been detected in arm cut starfish extract after eight days. The current study was designed to elucidate the in-vitro and the in-vivo pharmacological effects of starfish extract on FA exposure. We investigated the protective effects of intact starfish extract and arm cut starfish extract on an IMR-90 cell line and on mouse lung injury in response to FA exposure. In the presence of FA, inhalation of the arm cut starfish extract was associated with more promising cell proliferation, TNF-${\alpha}$, NF-${\kappa}B$ decrement, and $I{\kappa}-B{\alpha}$ increment. In the experimental group, the pulmonary structure of the arm cut starfish extract-treated group in the presence of FA exposure was similar to the control group, whereas the FA exposure group showed damage to the pulmonary structure. Moreover, the arm cut starfish extracts was more effective than the intact starfish extracts in terms of the expression of TNF-${\alpha}$, NF-${\kappa}B$, $I{\kappa}-B{\alpha}$, and surfactant protein A. The results obtained in this study demonstrate that arm cut starfish extracts are more effective in protecting pulmonary structure and function against FA exposure than intact starfish extracts.

포름알데히드는 주로 산업용으로 사용되는 독성이 강한 물질로서 생체에 노출 시 염증, 산화적 스트레스, 알레르기 반응, 나아가서 암을 유발하게 된다. 불가사리에서 추출되는 saponin은 sulphated sterol glycosides 등으로서 인삼 saponin (ginsenoside)들과 화학적 구조가 비슷하여 항균 및 세포독성을 비롯한 미생물을 괴사시키는 기능을 가지고 있음이 보고되었다. 또한 손상된 불가사리의 조직에는 염증성 사이토카인이 발현되는데 TGF-${\beta}$의 증가로 손상 받은 부위를 빠르게 치료, 재생하게 된다. 본 실험은 조직손상 후 8일 된 불가사리 추출물과 포름알데히드를 IMR-90에 처리했을 때와 포름알데히드에 노출시킨 ICR 마우스에 불가사리 추출물을 흡입시켰을 때 염증성 폐 손상의 방어 및 치료에 미치는 효과를 알아보았다. 포름알데히드에 노출된 IMR-90에 조직손상 후 8일이 경과한 불가사리 추출물을 처리한 결과, 세포의 유의한 증식을 보였으며 염증 조절에 영향을 주는 TNF-${\alpha}$, NF-${\kappa}B$의 발현억제 및 $I{\kappa}-B{\alpha}$의 합성을 촉진시켰다. 포름알데히드에 노출된 ICR 마우스에 조직손상 후 8일이 경과한 불가사리 추출물을 처리한 군에서 체중의 증가, 항산화 효소의 증가, 지질과산화 작용의 감소, surfactant protein A의 증가, TNF-${\alpha}$ 및 NF-${\kappa}B$의 발현억제, $I{\kappa}-B{\alpha}$ 발현의 증가와 조직재생에 우수한 효과를 보였다. 이러한 결과는 포름알데히드로 인한 세포 및 폐 손상을 불가사리 추출물의 항염증 작용을 통하여 억제하거나 완화시킴을 확인할 수 있다.

Keywords

References

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