생명과학회지 (Journal of Life Science)

  • 제14권2호
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  • Pages.209-214
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  • 2004
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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키토산이 암세포성장에 미치는 효과

Effects of Chitosan on Anti-tumor Activity in Mice

  • 정양숙 (고신대학교 의과대학 미생물학교실) ;
  • 김광혁 (고신대학교 의과대학 미생물학교실) ;
  • 정영기 (동의대학교 자연과학대학 생명응용과학과) ;
  • 장명웅 (고신대학교 의과대학 미생물학교실)
  • 발행 : 2004.04.01
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초록

본 연구에서는 키토산이 암세포에 미치는 효과를 보기 위하여 암세포에 대한 세포독성효과, 키토산을 기존 항암제와 함께 사용하였을 때의 암세포에 대한 세포독성효과 및 암마우스에 대한 생명연장 효과의 변화를 관찰하여 암 치료 가능성을 조사하고자 하였다. 암세포인 K562세포나 Yac-1세포에 키토산을 단독으로 작용시켰을 때 암세포성장억제효과를, 기존항암제(mitomycin C, cisplatin, 5-fluorouracil)와 복합으로 작용시켰을 때 암세포성장억제효과의 상승효과를 보이고 암 마우스에서 키토산을 기존항암제와 복합으로 투여한 결과 생명연장효과를 보였다. 따라서 이러한 결과들은 앞으로의 추가적인 연구결과들이 있게 되면 임상에서의 암 치료에 키토산의 이용가능성을 시사한다 하겠다.

Cytotoxic anticancer chemotherapeutic agents generally produce severe side effects, while reducing host resistance to cancer and infections, especially through the destruction of lymphoid and bone marrow cells. In this study, we have investigated the effect of chitosan on cytotoxic activity against cancer cells and life span in mice. The direct cytotoxicity of chitosan or chitosan-combinated chemotherapeutic agents for tumor cells was observed. In addition, the effect of life span extention was counted on sarcoma 180 mice injected with chitosan-combinated mitomycin C. The effect of growth inhibion for cancer cells, K562 and Yac-1 was shown in the cytotoxicity test of chitosan or chitosan-combinated chemotherapeutic agents. Also, the effect of life span extension was observed on sarcoma 180 mice injected with chitosan-combinated mitomycin C. Our results suggest that life span extension in sarcom 180 mice exposed with chitosan-combinated chemotherapeutic agents showed the probability of its usefulness for cancer therapy if more research results were accumulated.

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