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Int J Med Sci 2014; 11(7):674-679. doi:10.7150/ijms.6962

Research Paper

Cytokine Gene Polymorphisms Associate with Microbiogical Agents in Periodontal Disease: Our Experience

Stefania Cantore1, Rosanna Mirgaldi1, Andrea Ballini1✉, Maria Franca Coscia1, Salvatore Scacco1, Francesco Papa1, Francesco Inchingolo2, Gianna Dipalma2, Danila De Vito1

1. Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124, Bari, Italy.
2. Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Piazza Giulio Cesare 11, 70124, Bari, Italy.

Abstract

Periodontics has evolved from a simplistic model to a more complex interplay between infection and host response. Genetic factors have been a new addition to the list of risk factors for periodontal diseases. The processes leading to destruction and regeneration of the destroyed tissues are of great interest to both researchers and clinicians.

The selective susceptibility of subjects for periodontitis has remained an enigma and wide varieties of risk factors have been implicated for the manifestation and progression of periodontitis. Emerging pathway models suggest that gene-environment interactions are etiologically important in disease pathogenesis. The current practical utility of genetic knowledge in periodontitis is limited.

Allelic variants at multiple gene loci probably influence periodontitis susceptibility. The pro-inflammatory cytokine interleukin-1 (IL-1) is a key modulator of host responses to microbial infection and a major modulator of extracellular matrix catabolism and bone resorption, and polymorphisms in the IL-1 gene cluster have been associated with an increased risk of developing severe adult periodontitis.

The aim of this study was to test if polymorphisms of genes of IL-1α+4845 and IL-1β +3954 were linked with periodontitis, in a case-control study population, delimited to a specific geographic area, in association with microbiological findings.

The polymorphisms observed in IL-1α+4845 and IL-1β+3954 single nucleotide polymorphisms (SNPs), was significantly different among the study groups (healthy controls, mild, moderate and severe periodontitis with p<0.05, d.f.=1.

We found a significant correlation between the severe form of periodontitis and the presence of composite genotype (p < 0.05, d.f.=1, calculated among healthy vs. severe). Furthermore a statistically significant association between the presence of bacteria and periodontitis was detected (p<0.05, d.f.=1). In the current investigation findings were concordant with literature observations.

Keywords: Periodontal disease, Single nucleotide polymorphisms, Interleukin-1, Genetic factors, Oral Microbiology.

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How to cite this article:
Cantore S, Mirgaldi R, Ballini A, Coscia MF, Scacco S, Papa F, Inchingolo F, Dipalma G, De Vito D. Cytokine Gene Polymorphisms Associate with Microbiogical Agents in Periodontal Disease: Our Experience. Int J Med Sci 2014; 11(7):674-679. doi:10.7150/ijms.6962. Available from http://www.medsci.org/v11p0674.htm