대한치과보존학회:학술대회논문집 (Proceedings of the KACD Conference)

대한치과보존학회 (The Korean Academy of Conservative Dentistry)
권호 표지

Effects of Enterococcus faecalis sonicated extracts on IL-2, IL-4 and $TGF-{\beta}1$ production from human lymphocytes

  • Kim, Hyeon-Sik (Department of Conservative Dentistry, College of Dentistry, Seoul National University) ;
  • Lee, Woo-Cheol (Department of Conservative Dentistry, College of Dentistry, Seoul National University) ;
  • Lim, Sung-Sam (Department of Conservative Dentistry, College of Dentistry, Seoul National University)
  • 발행 : 2003.11.01
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초록

I. Objectives In order to examine the immunoresponse of host cells to Enterococcus faecalis, this in vitro study monitored the production of Interleukin-2(IL-2), Interleukin-4(IL-4) and Transforming growth $factor-{\beta}1(TGF-{\beta}1)$ in human lymphocytes. II. Materials and methods Enterococcus faecalis(ATCC29212) strains were used in this study. Strains were grown in 1-liter cultures in 85% N2-10% H2-5% $CO_2$chamber for 3 days at $37^{\circ}C$. The medium used was 3.7% brain heart infusion broth. Bacterial cells harvested from 1-liter cultures were washed, suspended in 20ml of phosphate-buffered saline(PBS). Suspensions of bacterial cells were disrupted by sonication on ice for 5 min. Protein concentration was determined by the Bicinchoninic acid(BCA) protein assay.(omitted)

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