NADPH oxidase (CYBA) and FcgammaR polymorphisms as risk factors for aggressive periodontitis:a case-control association study

Nibali, L. and Parkar, M. and Brett, P. and Knight, Jo and Tonetti, M. S. and Griffiths, G. S. (2006) NADPH oxidase (CYBA) and FcgammaR polymorphisms as risk factors for aggressive periodontitis:a case-control association study. Journal of Clinical Periodontology, 33 (8). pp. 529-539. ISSN 0303-6979

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Abstract

INTRODUCTION: Neutrophils (PMN) in aggressive periodontitis (AgP) patients have been reported to be hyperactive especially with regards to superoxide production. Polymorphisms in genes influencing PMN function have been proposed as candidate risk factors for AgP. The aim of this study was to test the association of specific gene polymorphisms affecting PMN functions with AgP. MATERIALS AND METHODS: Two hundred and twenty-four patients with confirmed diagnosis of AgP and 231 subjects with healthy periodontium took part in the study. A blood sample was collected from subjects and genotypes for p22phox (CYBA) NADPH oxidase, FP, Fcalpha and Fcgamma receptors were analysed in a blind fashion. RESULTS: The C242T p22phox NADPH oxidase T allele was significantly associated with AgP in a multiple logistic regression model adjusting for confounders, and this was observed for all subjects [p = 0.002, odds ratio (OR) = 1.87, 95% confidence interval (CI) = 1.27-2.83] and Caucasians (p = 0.009, OR=2.07, 95% CI = 1.20-3.59). Concomitant presence of C242T p22phox NADPH oxidase T allele and FcgammaRIIIb NA1 homozygosity was associated with the generalized AgP phenotype in Caucasians (p = 0.001, OR = 30.35, 95% CI = 3.81-241.97). CONCLUSIONS: C242T p22phox NADPH oxidase and FcgammaR polymorphisms may predispose to AgP through a modulation of neutrophil superoxide production.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Clinical Periodontology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3500/3506
Subjects:
ID Code:
79936
Deposited By:
Deposited On:
07 Jun 2016 12:50
Refereed?:
Yes
Published?:
Published
Last Modified:
09 Sep 2020 03:25