미생물학회지 (Korean Journal of Microbiology)

  • 제50권3호
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  • Pages.261-263
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  • 2014
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  • 0440-2413(pISSN)
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  • 2383-9902(eISSN)
한국미생물학회 (The Microbiological Society of Korea)
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인간 유방암 MDA-MB-231 세포에서 Peptide H에 의한 IL-6 발현 억제효과

Peptide H Reduces IL-6 Expression in Human Breast Cancer MDA-MB-231 Cells

  • 성대일 (호서대학교 생명공학과, 기초과학연구소) ;
  • 박잠언 (호서대학교 생명공학과, 기초과학연구소) ;
  • 김한복 (호서대학교 생명공학과, 기초과학연구소)
  • Sung, Dae Il (Department of Biotechnology, The Research Institute for Basic Sciences, Hoseo University) ;
  • Park, Jameon (Department of Biotechnology, The Research Institute for Basic Sciences, Hoseo University) ;
  • Kim, Han Bok (Department of Biotechnology, The Research Institute for Basic Sciences, Hoseo University)
  • 투고 : 2014.08.11
  • 심사 : 2014.09.23
  • 발행 : 2014.09.30
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초록

암, 류마티스, 크론병 등은 만성염증과 관련되어 있다. Interleukin-6 (IL-6)는 염증의 주요 매개인자이다. 청국장은 콩 발효식품으로 대두단백질이 분해되어 다양한 peptide가 생성되면서, 생리활성물질이 될 수 있다. 본 연구에서는 청국장에서 분리한 peptide (Gly-Val-Tyr-Tyr-Met-Tyr)를 가공한 6mer H, [(Glu-Val-Tyr-Tyr-Met-Tyr(EVYYMY)]가 유방암세포 MDA-MB-231에서 IL-6 발현을 억제할 수 있는지 여부를 결정하였다. MDA-MB-231 세포에 peptide H를 처리해 주면, IL-6 발현은 peptide를 처리하지 않은 control에 비해, 크게 억제되었으며, 세포의 성장은 농도의존적으로 억제되었다. 암 이외에, 류마티스, 크론병 등 만성염증 질환에서 IL-6 신호의 차단은 염증개선에 유효한 것으로 알려져 있다. Peptide H는 염증과 관련된 IL-6 발현의 감소효과가 있으므로, IL-6 관련 암, 류마티스, 크론병 등의 치료제 개발로 응용, 연결될 수 있을 것이다.

Chronic inflammation is involved in cancers, rheumatoid arthritis, and Crohn's disease. Inerleukin-6 (IL-6) plays major roles in inflammation. Chungkookjang, fermented soybean contains diverse peptides produced by cleavage of soybean proteins. The peptides can be bioactive compounds. Peptide (Gly-Val-Tyr-Tyr-Met-Tyr was purified from Chungkookjang, and modified to be 6mer H, Glu-Val-Tyr-Tyr-Met-Tyr (EVYYMY). Peptide H's activity to suppress IL-6 expression in a human breast cancer cell, MDA-MB-231 was determined. IL-6 Expression was reduced in the cell treated with peptide H 25 times less than controls which were not treated with peptide H. Proliferation of MDA-MB-231 cells was inhibited by peptide H, which is concentration-dependent. Blocking of IL-6 signals is known to be effective in reducing inflammation in rheumatoid arthritis, Crohn's disease, and cancers. Since peptide H can reduce inflammatory IL-6 expression, application of this study will contribute to drug development for diseases which are caused by excessive IL-6.

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참고문헌

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피인용 문헌

  1. Peptide H reduces Il-6 expression in human breast cancer MDA-MB-231 cells vol.51, pp.3, 2015, https://doi.org/10.7845/kjm.2015.5028