Study of association between interleukin-8 - 845 T/C and + 781 C/T polymorphisms with periodontitis disease among population from Western Iran.

08:00 EDT 4th August 2018 | BioPortfolio

Summary of "Study of association between interleukin-8 - 845 T/C and + 781 C/T polymorphisms with periodontitis disease among population from Western Iran."

Periodontitis is a chronic inflammatory disease that influences the protective tissues of teeth. IL-8, a member of the chemokine super-family, plays vital roles in the pathogenesis of periodontitis with activation and migration of neutrophils in inflammatory regions. The purpose of present study was to evaluate the association of interleukin-8 - 845 T/C and + 781 C/T polymorphisms with periodontitis in an Iranian population. A total of 65 patients with periodontitis including 18 patients with chronic periodontitis and 47 patients with aggressive periodontitis and 55 controls were enrolled into our study. Interleukin-8 - 845 T/C and + 781 C/T polymorphisms were analyzed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay. For + 781C/T locus, in the dominant genetic model there was a significant difference between TT vs. CC + CT genotypes that significantly had a protective role against periodontitis disease with a value of 0.38 (95% CI 0.16-0.90, p = 0.02). Also, the analysis of results showed a significant positive association between the distribution of IL-8 - 845 T/C alleles and the risk of periodontitis disease (χ = 6.2, p = 0.01) that presence of C allele of IL-8 - 845 increased the risk of periodontitis disease by 9.08-fold [OR 9.08 (95% CI 1.14-72.12, p = 0.03)]. In conclusion, our results demonstrate a positive association between distribution of IL-8 - 845 T/C alleles and risk of periodontitis disease.


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This article was published in the following journal.

Name: Molecular biology reports
ISSN: 1573-4978


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Medical and Biotech [MESH] Definitions

Inflammation and loss of connective tissues supporting or surrounding the teeth. This may involve any part of the PERIODONTIUM. Periodontitis is currently classified by disease progression (CHRONIC PERIODONTITIS; AGGRESSIVE PERIODONTITIS) instead of age of onset. (From 1999 International Workshop for a Classification of Periodontal Diseases and Conditions, American Academy of Periodontology)

Chronic inflammation and loss of PERIODONTIUM that is associated with the amount of DENTAL PLAQUE or DENTAL CALCULUS present. Chronic periodontitis occurs mostly in adults and was called adult periodontitis, but this disease can appear in young people.

Inflammation and loss of PERIODONTIUM that is characterized by rapid attachment loss and bone destruction in the presence of little local factors such as DENTAL PLAQUE and DENTAL CALCULUS. This highly destructive form of periodontitis often occurs in young people and was called early-onset periodontitis, but this disease also appears in old people.

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