Abstract:
BACKGROUND:Interleukin (IL)-18 regulates the expression of the proinflammatory cytokine interferon (IFN)-gamma. The present study sought to test the putative involvement of six different IL-18 gene polymorphisms in pre-disposition to destructive periodontal disease. METHODS:A total of 123 patients with periodontitis and 121 healthy controls were genotyped for six IL-18 polymorphisms at position -656, -607, -137, +113, +127 and codon 35/3. Genotyping has been performed by PCR and restriction fragment length polymorphism analysis. The frequencies of alleles and genotypes as well of haplotypes within both study groups were compared using the Pearson Chi-square test at a level of significance of 5% (p<0.05). RESULTS:Coseggregation was found to be 100% for the two polymorphisms at position -656 and -607 as well as for the polymorphisms at position -137, +113, and +127. The distribution of genotypes for the IL-18 gene polymorphism at position -656/-607 (p=0.854), at position -137/+113/+127 (p=0.320), and at codon 35/3 (p=0.481) was not significantly different among periodontitis patients if compared with healthy control subjects. The distribution of haplotype combinations for the -607 and -137 polymorphism also showed not significant difference between the both study groups (p=0.545). CONCLUSION:Herein the six different IL-18 gene polymorphisms were not associated with destructive periodontal disease.
journal_name
J Clin Periodontoljournal_title
Journal of clinical periodontologyauthors
Folwaczny M,Glas J,Török HP,Tonenchi L,Paschos E,Bauer B,Limbersky O,Folwaczny Cdoi
10.1111/j.1600-051X.2005.00711.xkeywords:
subject
Has Abstractpub_date
2005-05-01 00:00:00pages
530-4issue
5eissn
0303-6979issn
1600-051Xpii
CPE711journal_volume
32pub_type
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journal_title:Journal of clinical periodontology
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更新日期:2017-07-01 00:00:00
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