Journal of Nutrition and Health

The Korean Nutrition Society (한국영양학회)
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The Growth Inhibitory Effects of Atrina Pecitinata Fractions on Cancer Cell Lines

암세포주 성장 억제에 미치는 키조개 분획물의 영향

  • Park Soune-Young (Department of Food and Nutrition, Silla University) ;
  • Shin Mi-Ok (Department of Food and Nutrition, Silla University) ;
  • Lee Sang Hyun (Department of Biotechnology, Silla University) ;
  • Bae Song-Ja (Marine Biotechnology Center for Biofunctional Material Industries)
  • 박성영 (신라대학교 식품영양학과) ;
  • 신미옥 (신라대학교 식품영양학과) ;
  • 이상현 (신라대학교 생명공학과) ;
  • 배송자 (마린-바이오 산업화 지원센터)
  • Published : 2005.05.01
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Abstract

We investigated the growth inhibitory effects of Atrina pecitinata (AP) on the proliferation in human cancer cell lines in vitro. AP was extracted with methanol which was further fractionated into four different types: methanol (APMM), haxane (APMH), butanol (APMB), and aquous layers (APMA). Among various partition layers, the APMM showed the strongest cytotoxic effects on all cancer cell lines which we used. In the MTT assay of AP fractions, the growth inhibitory effects was increased in proportion to its concentration. We observed quinone reductase (QR) induced effects in all fraction layers of AP on HepG2 cells. The QR induced effects of APMM on HepG2 cell at 80 $\mu$g/mL concentration indicated 2.0 with a control value of 1.0.

본 연구에서는 해양생물 중 대표적 패류에 속하며 게두라고 불리우는 키조개를 추출, 각 용매별로 분획하여 암세포 성장억제 효과와 QR 유도활성 효과 등 각 생리활성효과에 대해 살펴보았다. 단백질이 많은 저칼로리 식품으로, 필수 아미노산과 철분이 많아 동맥경화와 빈혈예방에 좋다고 알려진 키조개의 암세포 성장억제에 대한 실험결과, 4종의 인체 암세포주 HepG2, HeLa, MCF-7 및 HT-29에서 모두 시료첨가 농도에 의존적으로 성장저지 효과가 나타났고, methanol 분획층인 APMM에서 괄목할 만한 높은 효과를 나타냈다. 특히 HeLa 세포주에서는 저첨가농도인 120 $\mu$g/mL에서 이미 $90.45\%$의 높은 세포독성 효과를 보였고, 다른 세포주들에서도 첨가농도별 효과의 차이는 있었으나 거의 유사한 세포성장 억제효과를 볼 수 있었다. 한편, 사용한 4가지 암세포주중 유일하게 quinone reductase를 가지고 있는 HepG2를 이용하여 quinone reductase 효소유도 활성여부를 측정한 결과 분획물 첨가농도를 20, 40, 60 및 80 $\mu$g/mL로 소량을 첨가하였음에도 40 $\mu$g/mL에서 이미 1.5배의 높은 QR 유도효과가 나타났으며, 농도를 증가시킬수록 그 효과가 증가하여 최종농도인 80 $\mu$g/mL에서는 약 2.0배의 QR 유도활성을 나타내었다. 이와 같은 실험결과에서, 패류인 키조개의 생리활성을 이용한 여러 유용한 기능성 식품의 개발이 기대되어진다.

Keywords

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