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Effects of sonicated Enterrococcus faecalis extracts on Interleukin-2 and Interleukin-4 production by human T cells
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Son, Ho-Hyun | - |
dc.contributor.author | Lim, SungSam | - |
dc.contributor.author | Shon, WonJun | - |
dc.contributor.author | Kim, Hyeon-Sik | - |
dc.contributor.author | Lee, WooCheol | - |
dc.date.accessioned | 2010-02-01T06:02:47Z | - |
dc.date.available | 2010-02-01T06:02:47Z | - |
dc.date.issued | 2004-10 | - |
dc.identifier.citation | JOURNAL OF ENDODONTICS 2004;30:701-703. | en |
dc.identifier.issn | 0099-2399 | - |
dc.identifier.uri | https://hdl.handle.net/10371/47250 | - |
dc.description.abstract | In the present authors previous study, sonicated
Enterococcus faecalis extracts were shown to suppress the cell cycle progression of human lymphocytes. To study the effect of this microorganism on the function of lymphocytes, the authors investigated the levels of interleukin-2 (IL-2) and interleukin-4 (IL-4) production by T lymphocytes before and after the addition of sonicated E. faecalis extracts. In this study, levels of IL-2 and IL-4 produced from T cells were evaluated by using the quantitative sandwich enzyme immunoassay technique. In response to phytohemagglutinin (PHA) stimulation, T cells produced increased levels of IL-2 and IL-4. However, the expressions of both cytokines were significantly inhibited when PHAactivated T cells were preexposed to 12.5 g/ml and 25 g/ml of sonicated E. faecalis extracts (p < 0.05). This effect was concentration-dependent, because the levels of IL-2 and IL-4 expressions were not affected by the addition of a low concentration (5 g/ml) of sonicated extract. These findings suggest that Th1 and Th2 immunosuppression mediated by E. faecalis could be a part of the pathogenic mechanism of the endodontic failure associated with this microorganism. | en |
dc.language.iso | en | en |
dc.publisher | Elsevier | en |
dc.title | Effects of sonicated Enterrococcus faecalis extracts on Interleukin-2 and Interleukin-4 production by human T cells | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 손호현 | - |
dc.contributor.AlternativeAuthor | 임성삼 | - |
dc.contributor.AlternativeAuthor | 손원준 | - |
dc.contributor.AlternativeAuthor | 김현식 | - |
dc.contributor.AlternativeAuthor | 이오철 | - |
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