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참가사리 분획물의 암 예방효과

Anticarcinogenic Effects of Extracts from Gloiopeltis tenax

  • 정영화 (신라대학교 식품영양학과. 마린-바이오 산업화지원센터) ;
  • 정복미 (여수대학교 식품영양학과) ;
  • 신미옥 (신라대학교 식품영양학과. 마린-바이오 산업화지원센터) ;
  • 배송자 (신라대학교 식품영양학과. 마린-바이오 산업화지원센터)
  • Jung, Young-Hwa (Dept. of Food and Nutrition, Marine Biotechnology Center for Biofunctional Material Industries, Silla University) ;
  • Jung, Bok-Mi (Dept. of Food Science and Nutrition, Yosu National University) ;
  • Shin, Mi-Ok (Dept. of Food and Nutrition, Marine Biotechnology Center for Biofunctional Material Industries, Silla University) ;
  • Bae, Song-Ja (Dept. of Food and Nutrition, Marine Biotechnology Center for Biofunctional Material Industries, Silla University)
  • 발행 : 2006.04.01

초록

본 연구에서는 해조류 중 홍조류에 속하는 참가사리를 추출, 분획하여 항발암효과를 측정하였다. 참가사리 분획물을 4종의 암세포주 HT29, HepG2, MCF-7 및 H16-F10에 처리하였을 때 암세포 증식 억제실험을 한 결과 대장암세포주인 HT29의 경우 GTMM층과 GTMB층에서 농도의존적인 효과가 나타났으며 첨가농도 $150{\mu}g/mL$에서 각각 93.64%와 74.14%의 수치를 보였다. 간암세포주인 HepG2의 경우 $150{\mu}g/mL$ 첨가시 GTMM층과 GTMB층이 각각 95.97%, 81.78%의 높은 증식 억제효과를 보였으며 유방암세포주인 MCF-7에서는 GTMM층이 $120 {\mu}g/mL$$150{\mu}g/mL$ 첨가농도에서 각각 88.50%와 91.82%의 높은 암세포증식 억제효과를 나타냈다. 피부암세포주인 B16-F10은 다른 세포주에 비해 미약하나 역시 GTMM층이 최종첨가농도에서 86.20%의 억제를 나타내었다. 이와 같이 4종의 암세포주의 증식억제는 전반적으로 GTMM층과 GTMB층에서 높은 효과가 나타남을 알 수 있다. 한편 Western blot analysis를 통해 간암세포 주인 HepG2에서 GTMM층의 처리에 따른 pro-apoptosis Bcl-2 family의 발현증가를 볼 수 있었으며, PARP 분절과 연관된 caspase-3, 7의 활성화를 확인할 수 있었다. 이처럼 GTMM층은 apoptosis의 작용에 의한 세포사멸을 유도하며, 이러한 apoptosis의 기전으로는 최소한 caspase의 활성화에 따른 절단 PARP 단백질의 증가, Bad, Bax 등의 apoptosis 관여인자가 작용하고 있음을 확인할 수 있었다. HepG2를 이용한 quinone reductase 유도활성여부를 측정한 결과 GTMM층이 $45{\mu}g/mL$$60{\mu}g/mL$의 시료첨가농도에서 대조군에 비해 각각 2.34, 2.86배의 QR 유도활성을 나타내었으며, GTMB층의 경우 최종첨가농도인 $60{\mu}g/mL$에서 2.04배의 효소활성을 나타내었다.

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  4. Effects of light and temperature on the attachment and development of Gloiopeltis tenax and Gloiopeltis furcata tetraspores vol.23, pp.6, 2011, https://doi.org/10.1007/s10811-010-9638-z
  5. Effect of Growth Inhibition and Quinone Reductase Activity Stimulation of Makgeoly Fractions in Various Cancer Cells vol.37, pp.3, 2008, https://doi.org/10.3746/jkfn.2008.37.3.288