Journal of Ginseng Research

The Korean Society of Ginseng (고려인삼학회)
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Regulatory Effect of Ginsenosides Rh1 on Monocytic U937 Cell Adhesion

홍삼유래 ginsenosides Rh1의 단핵구 U937 세포 유착조절 효과

  • Kim, Byung-Hun (School of Bioscience and Biotechnology, Kangwon National University) ;
  • Cho, Jae-Youl (School of Bioscience and Biotechnology, Kangwon National University)
  • 김병훈 (강원대학교 BT학부대학 생명공학부 분자의생명공학) ;
  • 조재열 (강원대학교 BT학부대학 생명공학부 분자의생명공학)
  • Published : 2009.12.31
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Abstract

Cell-cell adhesion managed by various adhesion molecules is known to be one of pathophysiological phenomena found in numerous immunological diseases such as rheumatoid arthritis and allergic diseases. In this study, we examined the regulatory role of ginsenosides (G)- Rh1, reported to display anti-inflammatory and anti-allergic effects, on CD29-mediated cell adhesion. G-Rh1 significantly suppressed U937 cell-cell adhesion mediated by CD29 but not CD43. It also blocked U937 cell-fibronectin adhesion, mediated by activated CD29, up to 30%. In agreement, this compound also significantly decreased the surface level of CD29 but not CD43 as well as other costimulatory molecules such as CD69, CD80, and CD86. Therefore, these results suggest that G-Rh1 may have inhibitory function on CD29-mediated cell adhesion events, probably contributing to its anti-inflammatory and anti-allergic activities.

G-Rh1에 의한 단핵구 세포주인 U937 세포의 유착조절 능을 조사하여 다음과 같은 결론을 얻었다. 1. G-Rh1은 CD29 항체 (MEM101A) 처리에 의해 유도된 세포-세포간 유착현상을 유의적으로 억제하였다. 2. G-Rh1은 fibronectin처리에 의해 유도된 U937 세포-fibronectin간 유착현상을 유의적으로 억제하였다. 3. G-Rh1은 CD29의 세포표면 발현 수준을 유의적으로 감소시켰다. 최근 활발히 G-Rh1의 약리작용 연구들이 진행되고 있다. 특별히, 본 화합물은 항알러지, 피부염증질환 치료효과, 항암효과 및 여성호르몬 유사기능 등이 있는 것으로 보고된 바있다. CD29-매개성 세포유착과정이 다양한 염증과정, 알러지 반응 및 암세포의 이동 및 전이성과 관련이 있다는 관점에서 볼 때 본 연구결과는 이들 약물이 갖는 치료기전의 하나가 CD29 기능저해에서 비롯될 수 있음을 제시한다고 하겠다. 이후 G-Rh1의 억제 기능에 관한 기전 이해를 위해 세포유착 유도 신호전달 단백질의 활성을 포함한 다양한 분자적 수준에서의 추가적인 실험들을 진행하고 한다.

Keywords

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