Anticancer and Immune-modulatory Activities of Extracts from Various Parts of Cornus macrophylla Wall.

곰의말채 부위별 추출물의 항암 및 면역증진 효과

  • Jin, Ling (College of Bioscience & Biotechnology, Kangwon Natl. Univ.) ;
  • Han, Jae-Gun (College of Bioscience & Biotechnology, Kangwon Natl. Univ.) ;
  • Ha, Ji-Hye (College of Bioscience & Biotechnology, Kangwon Natl. Univ.) ;
  • Jeong, Hyang-Suk (College of Bioscience &Biotechnology, Kangwon Natl. Univ.) ;
  • Kim, Cheol-Hee (College of Bioscience &Biotechnology, Kangwon Natl. Univ.) ;
  • Kwon, Min-Chul (College of Bioscience & Biotechnology, Kangwon Natl. Univ.) ;
  • Lee, Hak-Ju (Korea Forest research Institute) ;
  • Kang, Ha-Young (Korea Forest research Institute) ;
  • Choi, Geun-Pyo (Department of Food Processing & bakery, Gangwon Provincial Univ.) ;
  • Lee, Yong-Hyeon (College of Bioscience & Biotechnology, Kangwon Natl. Univ.)
  • 김영 (강원대학교 BT특성화학부대학) ;
  • 한재건 (강원대학교 BT특성화학부대학) ;
  • 하지혜 (강원대학교 BT특성화학부대학) ;
  • 정향숙 (강원대학교 BT특성화학부대학) ;
  • 김철희 (강원대학교 BT특성화학부대학) ;
  • 권민철 (강원대학교 BT특성화학부대학) ;
  • 이학주 (국립산림과학원) ;
  • 강하영 (국립산림과학원) ;
  • 최근표 (강원도립대학 식품가공제과제빵과) ;
  • 이현용 (강원대학교 BT특성화학부대학)
  • Published : 2008.10.30

Abstract

Anticancer and immuno-modulatory activities of methanol extracts from different parts, bark, wood and leaf, of Cornus macrophylla Wall. were investigated in this study. All extracts at a concentration of 1.0mg/ml showed relativity low cytotoxicities on human normal kidney cell (HEK293) by approximately 25%. Bark extract of C. macrophylla showed the highest anticancer activity on human lung cancer cell line (A549) and human breast cancer cell line (MCF-7) by 57.4% and 58.7%, respectively, at a concentration of 1.0mg/ml. All extracts enhanced the growth of human B and T cells, showing 38.7% and 65.9% increase compared to control, respectively, by 5 days incubation with bark extract. The secretions of interleukin 6 (IL6) and tumor necrosis factor alpha (TNF-$\alpha$) from human B and T cells were significantly increased by extracts, especially bark extract. B or T cell medium, which contains cytokines (IL 6 and TNF-$\alpha$) secreted by bark extract treatment for 5 days, time-dependently enhanced the growth of NK-92MI cells with the maximal effect at 5th day of incubation. These results suggest that C. macrophylla, especially bark, has the potential for anticancer and immuno-modulatory activities.

곰의말채의 항암 및 면역활성을 탐색하고자 수피, 목부, 잎의 부위별 메탄올 추출물을 이용하여 연구를 수행하였다. 인간 정상 신장세포를 이용한 세포독성 실험에서 모든 추출물이 1.0mg/ml 농도의 첨가를 통해 대략 25% 이하의 세포독성을 나타내었다. 폐암세포인 A549와 유방암세포인 MCF-7을 이용한 항암실험에서 수피 추출물이 1.0mg/ml 농도의 첨가를 통해 각각 57.4%와 58.7%의 생육저해 활성을 보였다. 모든 추출 시료가 면역세포인 B세포와 T세포의 생육을 촉진하였는데, 특히 수피 추출물 첨가를 통해 B세포와 T세포의 생육이 5일째 대조군과 비교하여 각각 38.7%와 58.7%까지 증진되었다. 면역세포 분비물인 IL-6와 TNF-$\alpha$의 분비량 측정에서도 수피 추출물 첨가군이 $1.28{\times}10^{?4}\;pg/cell$, $1.38{\times}10^{?4}\;pg/cell$를 나타내며, 각각 $0.86{\times}10^{?4}\;pg/cell$, $0.70{\times}10^{?4}$을 나타낸 대조군에 비하여 유의적인 증가를 나타내었다. 또한 면역세포 분비물 첨가를 통한 NK-92MI세포 생육 증진에도 효과를 나타내는 것을 확인하였다. 이로써 곰의말채 추출 성분이 항암 및 면역활성에 유용한 성분을 함유하고 있으며, 특히 수피 추출물이 유의적으로 높은 활성을 나타내는 것으로 사료된다.

Keywords

References

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