Journal of Acupuncture Research

Korean Acupuncture & Moxibustion Medicine Society (대한침구의학회)
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Effect of Snake Venom Toxin from Vipera lebetina turanica on Breast Cancer Cells

Vipera lebetina turanica 사독이 인간 유방암 세포에 미치는 영향

  • Yang, Ka-Ram (Dept. of Acupuncture & Moxibustion, College of Oriental Medicine, Kyungwon University) ;
  • Song, Ho-Sueb (Dept. of Acupuncture & Moxibustion, College of Oriental Medicine, Kyungwon University)
  • 양가람 (경원대학교 한의과대학 침구학교실) ;
  • 송호섭 (경원대학교 한의과대학 침구학교실)
  • Published : 2009.06.20
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Abstract

목적 : 이 연구는 Vipera lebetinat turanica의 사독약침액(蛇毒藥鍼液)(Snake venom toxin, SVT)이 인간 유방암 세포주인 MCF-7과 MDA-MB-231 세포에서 암세포성장의 억제 및 그 기전에 대하여 살펴보고자 하였다. 방법 : SVT를 처리한 후 MCF-7과 MDA-MB-231의 성장억제를 관찰하기 위해 CCK-8 assay를 시행하였고, apoptosis 평가에는 TUNEL assay를 시행하였다. 세포자멸사 관련 세포기전을 보기 위하여 세포내 활성산소량 및 미토콘드리아의 세포막전위 변화를 측정하였고, 세포자멸사 조절 단백인 Bax, Bcl-2 발현 변화 관찰에는 westem blot analysis를 시행하였다. 결과 : MCF-7과 MDA-MB-231 세포에 SVT를 처리한 후, 유방암 세포의 성장, Apoptosis의 유발 및 기전에 미치는 영향을 관찰하여 다음과 같은 결과를 얻었다. 1. MCF-7 세포와 MDA-MB-231 세포에서 SVT를 처리한 후 유방암 세포 성장이 억제되었다. 2. TUNEL assay를 통한 세포자멸사 평가에서 SVT를 처리한 MCF-7세포와 MDA-MB-231 세포 모두 세포자멸사 활성세포의 유의한 증가를 나타내었다. 3. 세포자멸사 관련 세포기전연구에서 SVT를 처리한 MCF-7 세포와 MDA-MB-231 세포에서 세포내 활성산소의 유의한 증가와 미토콘드리아 세포막 전위의 유의한 변동이 관찰되었다. 4. SVT를 처리한 MCF-7세포와 MDA-MB-231세포는 세포자멸사 관련 단백 발현에서 Bax의 유의한 증가와 Bcl-2의 유의한 감소를 나타내었다. 결론 : 이상의 결과는 SVT가 세포내 활성산소를 증가시킴으로써 미토콘드리아의 세포막전위에 변화를 일으켜 유방암 세포주인 MCF-7과 MDA-MB-231 세포에 세포자멸사를 유발하여 증식억제 효과가 있음을 입증한 것이다.

Keywords

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