Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effect of Extracts from Root Bark of Ulmus parvifolia on Inhibition of Growth and DNA Synthesis of Human Cancer Cells.

느릅나무 근피 추출물에 의한 인체 암세포 증식 및 DNA 합성 억제효과

  • Lim, Sun-Young (Division of Marine Environment & Bioscience, Korea Maritime University)
  • 임선영 (한국해양대학교 해양환경생명과학부)
  • Published : 2007.09.30
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Abstract

Growth and DNA synthesis inhibitory effects of extracts from root bark of Ulmus parvifolia on MG-63 human osteosarcoma cells, HT-29 human colon cancer cells and K-562 leukemia cancer cells were studied. The root bark extract of Ulmus parvifolia was extracted with methanol, hot water and juice. The methanol extract showed the highest inhibitory effect on growth of MG-63, HT-29 and K-562 cancer cells by >85%. The treatment of hot water and juice extracts from root bark of Ulmus parvifolia also inhibited growth of the above cancer cells with increasing concentration. DNA synthesis of MG-63 and HT-29 cancer cells was significantly inhibited by adding methanol, hot water and juice extracts from root bark of Ulmus parvifolia with increasing concentration, showing that the inhibitory effect of growth was more effective on HT-29 cancer cells. These results suggest that the methanol extract from root bark of Ulmus parvifolia may have specific active com-pounds on anticancer effect. The hot water extract also showed a strong inhibitory effect on growth of cancer cells, indicating that the active compounds may be stable to heat.

인체 암세포계(MG-63 골육암 세포, HT-29 인체 결장암세포, K-562 백혈암세포)를 이용하여 느릅나무 근피 메탄올 추출물, 열탕 추출물 및 즙액에 의한 암세포 성장에 미치는 효과를 검토하였다. 느릅나무 근피 메탄올 추출물, 열탕 추출물 및 즙액은 낮은 농도에서부터 인체 골육암 세포의 증식을 억제시켰다. 인체 결장암세포와 백혈암세포에서도 느릅나무 근피 메탄올 추출물, 열탕 추출물 및 즙액은 낮은 농도인 1 mg/ml에서부터 활성을 나타내어 40% 이상으로 암세포 증식 억제효과를 나타내어 앞서의 MG-63 골육암 세포에서 보다 그 증식 억제효과가 높은 것으로 나타났다. 느릅나무 근피 메탄올 추출물, 열탕 추출물 및 즙액을 골육암과 결장암세포에 투여한 2일 후에 세포내의 DNA 합성에 미치는 영향을 측정한 결과, 농도 의존적으로 암세포의 DNA 합성을 저해하는 것을 살펴 볼 수가 있었다. 따라서 느릅나무 근피 추출물은 인체 암세포 증식을 크게 억제하였으며 열탕 추출물에서도 항암활성 효과를 보여 느릅나무 근피 유래 생리활성 물질은 열에 안정한 것으로 여겨진다.

Keywords

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