Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Anti-tumorigenic Effect of DIM-pPhBr and DIM-pPhF Originating from Cruciferous Vegetables in KB Human Oral Squamous Cell Carcinoma Through Apoptotic Cell Death

사람구강편명상피암세포주인 KB세포에서 십자화과채소 유래물질인 DIM-pPhBr과 DIM-pPhF의 세포사멸유도를 통한 항종양효능에 관한 연구

  • Cho, Hyun-Tai (Department of Oral Pathology, School of Dentistry, Chonbuk National University) ;
  • Choi, Eun-Sun (Department of Oral Pathology, School of Dentistry, Chonbuk National University) ;
  • Cho, Nam-Pyo (Department of Oral Pathology, School of Dentistry, Chonbuk National University) ;
  • Cho, Sung-Dae (Department of Oral Pathology, School of Dentistry, Chonbuk National University)
  • 조현태 (전북대학교 치의학전문대학원 구강병리학교실) ;
  • 최은선 (전북대학교 치의학전문대학원 구강병리학교실) ;
  • 조남표 (전북대학교 치의학전문대학원 구강병리학교실) ;
  • 조성대 (전북대학교 치의학전문대학원 구강병리학교실)
  • Received : 2011.10.10
  • Accepted : 2011.12.06
  • Published : 2011.12.31
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Abstract

Cruciferous vegetables including diindolylmethane (DIM) have been shown to have anticancer activity. Especially, DIM-pPhBr and DIM-pPhF used in this study was reported to have more effective and less toxic effects than DIM. However, there is no report presenting their anti-tumorigenic activity in oral cancer. In the present study, we examined the effects of DIM-pPhBr and DIM-pPhF on the cell proliferation and apoptosis in KB human oral cancer cells. DIM-pPhBr and DIM-pPhF decreased cell proliferation and induced apoptosis evidenced by western blot analysis, DAPI staining and sub-$G_1$ population. This provides the first evidence that DIM-pPhBr and DIM-pPhF originating from Cruciferous vegetables induce apoptotic cell death in human oral cancer cells to inhibit cancer cell proliferation.

십자화과 채소는 Diindolylmethane (DIM)을 포함한 Isothiocyanates계 화합물을 함유하고 있는데, 이들이 암을 예방하는 효과가 있는 것으로 알려져 있다. 특히 이번 연구에 사용되어진 DIM-C-pPhBr과 DIM-C-pPhF를 기존에 알려진 DIM보다 독성은 최소화되고, 효능은 높은 물질로 보고되어져 있다 하지만, 아직까지 구강편평상피세포암종에서의 세포증식 및 세포사멸에 대한 효능연구는 보고된 바 가 없다. 따라서, 이번 연구에서는 C-DIM 중에 DIM-pPhBr과 DIM-pPhF의 구강편평상피세포암종 세포주인 KB세포에서의 세포증식 및 세포사멸유도효능을 확인함으로써 C-DIM 의 항종양능력을 확인하고자 하였다. 결과를 분석해보면, DIM-C-pPhBr과 DIM-C-pPhF은 구강편평상피세포암종 세포주인 KB의 세포증식을 감소시키고 Western blot분석법, DAPI염색법, 및 Sub-$G_1$축적분석결과에서 알수 있듯이 세포증식을 억제하기 위해 세포사멸을 유도하는 것으로 나타났다. 따라서, DIM-C-pPhBr과 DIM-C-pPhF에 의해 유도되는 세포사멸 및 세포증식억제는 구강암 예방 및 치료를 위한 좋은 전략이 될 수 있을 것으로 사료된다.

Keywords

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