Effect of Ecklonia cava Water Extracts on Inhibition of IgE in Food Allergy Mouse Model

식품 알레르기 마우스 모델에서 감태 물 추출물의 IgE 분비 억제 효과

  • Song, Eu-Jin (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University) ;
  • Lee, Chung-Jo (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University) ;
  • Kim, Koth-Bong-Woo-Ri (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University) ;
  • Jung, Ji-Yeon (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University) ;
  • Kwak, Ji-Hee (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University) ;
  • Choi, Moon-Kyoung (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University) ;
  • Kim, Min-Ji (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University) ;
  • Ahn, Dong-Hyun (Dept. of Food Science and Technology/ Institute of Food Science, Pukyong National University)
  • 송유진 (부경대학교 식품공학과/식품연구소) ;
  • 이청조 (부경대학교 식품공학과/식품연구소) ;
  • 김꽃봉우리 (부경대학교 식품공학과/식품연구소) ;
  • 정지연 (부경대학교 식품공학과/식품연구소) ;
  • 곽지희 (부경대학교 식품공학과/식품연구소) ;
  • 최문경 (부경대학교 식품공학과/식품연구소) ;
  • 김민지 (부경대학교 식품공학과/식품연구소) ;
  • 안동현 (부경대학교 식품공학과/식품연구소)
  • Received : 2010.09.13
  • Accepted : 2010.11.25
  • Published : 2010.12.31


This research was done to verify the effect of Ecklonia cava water extracts (ECWE) on inhibition of allergic reactions using ovalbumin (OVA)-immunized food allergy mouse model. For in vitro test, $10\sim100{\mu}g$/mL of ECWE and OVA were added to splenocytes obtained from OVA-immunized mice. The significant reduction of IgE antibody level in culture supernatants of splenocytes was shown in ECWE adding group at all tested concentrations. In addition, ECWE decreased IL-4 and IFN-$\gamma$ levels in supernatants of splenocytes. To confirm the effect of ECWE in in vivo test, ECWE was injected to peritoneal cavity of OVA-immunized mice. Subsequently, IgE level was measured in serum and cultured supernatants of splenocytes. As a result, the injection of ECWE (5 and 10 mg/kg BW) significantly attenuated the secretion of IgE antibody in both serum and splenocytes. In conclusion, the present study indicates that ECWE could suppress in a food allergy mouse model through the inhibition of IgE secretion.

OVA를 항원으로 한 식품알레르기 마우스 모델을 이용하여 감태 물 추출물의 알레르기 억제 효과를 확인하였다. 먼저, OVA로 면역한 마우스의 비장세포에 감태 물 추출물을 첨가하여 배양한 후, 배양 상층액의 IgE antibody와 IL-4 및 IFN-$\gamma$ cytokine 분비량을 측정하였다. 그 결과, $10\sim100{\mu}g$/mL 농도의 감태 물 추출물 첨가로 비장세포의 IgE 분비량이 농도 의존적으로 감소하였고, IL-4 및 IFN-$\gamma$ 분비량도 감태 물 추출물 첨가 농도가 증가할수록 감소하였다. 감태의 알레르기 억제능을 in vivo 실험을 통해 확인하기 위해 OVA로 알레르기를 유발한 마우스에 감태 물 추출물을 복강주사 한 후 혈청과 비장세포의 IgE 분비능을 확인하였다. 혈청의 항체 분비량 측정 결과, 1, 5 및 10 mg/kg BW 농도의 감태 물 추출물 투여군이 PBS 투여군에 비해 유의적으로 낮은 OVA-specific IgE 분비량을 보였다. 반면, IgG1과 IgG2a 분비량은 추출물 투여군과 PBS 투여군 사이에 유의적인 차이를 보이지 않았다. 또한 비장세포의 IgE 분비량이 5 및 10 mg/kg BW 농도의 감태 물 추출물의 복강주사에 의해 감소함을 확인하였다. 이상의 결과를 통해 감태 물추출물이 IgE 분비량의 유의적인 감소 효과를 통해 식품알레르기 반응을 효과적으로 억제할 수 있을 것으로 사료된다.



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