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The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Screening of the Immuno-stimulatory Activity of the Marine Alga Chlorella capsulate

해수 미세조류인 Chlorella capsulata의 면역활성증진

  • 이현수 (강원대학교 바이오산업공학부) ;
  • 이서호 (강원대학교 바이오산업공학부) ;
  • 문형철 (강원대학교 바이오산업공학부) ;
  • 이현용 (강원대학교 바이오산업공학부)
  • Published : 2003.02.01
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Abstract

A purified substance was separated from marine alga, Chlorella capsulate. Immuno-stimulatory activity was measured by observing the growth of human immune T and B cells. The growth of human T and B cells was enhanced by up to about 1.4 times by adding the fraction from C. capsulata, compared with commercially available CGF extracts from the fresh water alga, C. vulgaris. The secretion of TNF-a and IL-6 was also enhanced up to about 1.5 times by adding the separated fraction. Adding 0.4 g/L of the extract increased the production of nitric oxide from macrophages by 1.6 fold. 50% of the AGS cell growth was inhibited by adding 0.4 g/L of the water extracted sample.

해수 미세조류인 Chlorella capsulata를 배양하여 그로부터 기능성물질을 분리하여 면역활성측정 및 항암실험을 실시하였다. C. capsulata를 이용한 면역활성능 측정실험에서 일반적 인 담수종의 추출물이나 같은 종의 여러 추출용매를 이용한 추출물보다 물추출물의 분획층에 대한 면역활성이 높은 것으로 나타났다. 인간 T 세포, B 세포와 대식세포에 대해서 높은 면역활성을 나타내었으며, 정상세포에 대한 독성측정 실험에서도 약 10∼25%의 독성을 나타났으며, 유방암세포와 위암세포에 대한 성장저해 실험에서도 각각 80% 이상의 높은 저해능을 확인하였다. 앞서의 결과들로부터 Chloreila capsulata로부터 분리한 분획물은 면역세포들의 생육을 증강시켜 외부항원에 대한 면역기능을 강화시키는 것을 간접적으로 확인할 수 있었다

Keywords

References

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