Abstract:
BACKGROUND AND OBJECTIVE:Forsythia detaching factor (FDF) is a putative virulence factor of Tannerella forsythia that induces detachment of adherent cells and interleukin-8 production in human fibroblasts. The objective of the present study was to clarify the relationship between anti-FDF IgG levels in gingival crevicular fluid and the clinical status in patients with periodontitis and in healthy subjects. MATERIAL AND METHODS:Gingival crevicular fluid and subgingival plaque samples were obtained from both the diseased and healthy sites of 37 patients with periodontitis and from 30 healthy subjects. Anti-FDF IgG levels were evaluated, and both the fdf gene and T. forsythia 16S ribosomal RNA (rRNA) were detected using the PCR. RESULTS:Anti-FDF IgG levels (of both diseased and healthy sites) of patients with periodontitis were significantly higher than those of healthy subjects. Among the patients with periodontitis, anti-FDF IgG levels of healthy sites were significantly higher than those of diseased sites and the levels showed negative correlations with probing pocket depth and clinical attachment level. Among the patients with periodontitis, T. forsythia 16S rRNA was detected in 18 of 37 diseased sites and in 5 of 29 healthy sites, and the fdf gene was detected in 19 of 37 diseased sites and in 7 of 29 healthy sites. By contrast, no healthy subjects were positive for T. forsythia 16S rRNA or the fdf gene. CONCLUSION:These data suggest that anti-FDF IgG levels in gingival crevicular fluid are related to the periodontal status.
journal_name
J Periodontal Resjournal_title
Journal of periodontal researchauthors
Onishi H,Arakawa S,Nakajima T,Izumi Ydoi
10.1111/j.1600-0765.2010.01283.xsubject
Has Abstractpub_date
2010-10-01 00:00:00pages
672-80issue
5eissn
0022-3484issn
1600-0765pii
JRE1283journal_volume
45pub_type
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journal_title:Journal of periodontal research
pub_type: 杂志文章
doi:10.1111/j.1600-0765.2007.00987.x
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abstract:BACKGROUND AND OBJECTIVE:Gingival crevicular fluid has been of major interest for many decades as a valuable body fluid that may serve as a source of biomarkers for both periodontal and systemic diseases. Owing to its very small sample size, submicroliter volumes, identification of its protein composition by classical ...
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更新日期:2014-08-01 00:00:00
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abstract:BACKGROUND/OBJECTIVES:Proinflammatory cytokines such as interleukin-1beta are known to be synthesized in oral gingivitis and periodontitis and lead to the activation of the transcription factor nuclear factor-kappaB (NF-kappaB). Although numerous effects of interleukin-1beta on mesenchymal cells are known, e.g. up-regu...
journal_title:Journal of periodontal research
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更新日期:2006-10-01 00:00:00
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journal_title:Journal of periodontal research
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更新日期:2018-08-01 00:00:00
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journal_title:Journal of periodontal research
pub_type: 杂志文章
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journal_title:Journal of periodontal research
pub_type: 杂志文章
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journal_title:Journal of periodontal research
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Journal of periodontal research
pub_type: 杂志文章
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更新日期:2018-12-01 00:00:00
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journal_title:Journal of periodontal research
pub_type: 杂志文章
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更新日期:2007-12-01 00:00:00