Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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Efficacy Study of Activation on Macrophage in Germanium-fortified Yeast

게르마늄 강화 효모의 대식 세포 활성화 효과에 관한 연구

  • 이성희 (게란티제약(주) 중앙연구소) ;
  • 노숙령 (중앙대학교 생활과학대학) ;
  • 손창욱 (게란티제약(주) 중앙연구소)
  • Published : 2005.09.30
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Abstract

The aim of this study was to evaluate an efficacy about activation on macrophage, using model that measured cell viability, nitric oxide (NO), iNOS (inducible nitric oxide synthase) expression and tumor necrosis $factor-{\alpha}$ ($TNF-{\alpha}$) on Raw 264.7 cells following treatment of Germanium-fortified Yeast in 0, 5, 10, 25, 50, 100, $200\;{\mu}g/ml$ and the same concentration of dried yeast without germanium. Cell viability (%) and NO produced in activated-macrophage were dose-dependant, a significant increase of the cell viability (132.5%) and NO in $10\;{\mu}g/ml$ (p < 0.05). Increase in iNOS level was in $10\;{\mu}g/ml$. $TNF-{\alpha}$ was produced dose-dependant, e.g. in activated-macrophage with a significant increase of the $TNF-{\alpha}$ in 5 and $10\;{\mu}g/ml$ (p < 0.05). Therefore, Germanium-fortified Yeast had an efficacy of NO mediated iNOS and $TNF-{\alpha}$ production by activated macrophage. This result showed that Germanium-fortified Yeast induced activation of cellular immunity, returned to normalcy on injured immune system and procured anticancer system by activation of macrophage, which was important in immune and anticancer function.

본 시험은 면역계에서 중요한 역할을 담당하는 세포가운데 하나인 대식세포(Raw 264.7)를 게르마늄 강화 효모가 활성화시키는지 여부를 알아보기 위하여 대식세포의 배양액으로부터 NO와 $TNF-{\alpha}$의 생성을 in vitro 상에서 알아보고 iNOS의 발현 정도를 확인하고자 실시하였으며, 그 결과는 다음과 같다. 게르마늄 강화 효모 처리 후 세포 생존율(%)과 NO 생성량은 $10\;{\mu}g/ml$의 처리 농도에서 유의적으로 증가하였다(p < 0.05). 또한 NO 생성을 매개하는 iNOS의 발현 역시 $10\;{\mu}g/ml$의 농도에서 증가한 것으로 나타났다. 면역 및 항암 조절 인자로 알려진 $TNF-{\alpha}$의 생성 역시 농도 의존적으로 증가하였으며, $10\;{\mu}g/ml$의 처리 농도에서 유의적으로 증가하였다(p < 0.05). 이는 게르마늄 강화 효모가 항암 및 면역 증진 기능과 관련이 있는 $TNF-{\alpha}$ 분비를 촉진시키는데 영향을 준 것으로 사료된다. 따라서 본 시험 모델에서 게르마늄 강화 효모는 iNOS 발현을 조절하여 NO 및 $TNF-{\alpha}$의 생성을 매개하여 면역조절 기능에 도움을 줄 것으로 사료된다. 이것은 면역기능에 있어서 중요한 역할을 하는 대식세포를 활성화시켜 면역력을 활성화시키므로 세포성 면역의 활성화를 도모하고 손상된 면역 체계의 정상화에 영향을 주어 면역 강화 및 항암 예방 기능성 신소재로의 가능성을 지니는 것으로 사료된다.

Keywords

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