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Type: Artigo de periódico
Title: Correlation between periodontal disease, inflammatory alterations and pre-eclampsia
Author: Politano, GT
Passini, R
Nomura, ML
Velloso, L
Morari, J
Couto, E
Abstract: Background and Objective: Several studies have hypothesized that periodontal disease may increase the risk of pre-eclampsia. The correlation between the two diseases would probably be based on hypertension-related cytokine release in the local periodontal environment. The aim of this study was to evaluate the association between periodontal disease and pre-eclampsia, and the correlation of the two conditions with interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF alpha) mRNA expression. Material and Methods: A case-control analysis of 116 pregnant women, 58 with pre-eclampsia (cases) and 58 normotensive pregnant women (controls) was performed. In addition to collection of socio-demographic data and periodontal evaluation, peripheral blood samples were collected for laboratory analysis of IL-6 and TNF alpha mRNA expression by real-time PCR. Results: There was an association between periodontitis and pre-eclampsia (adjusted odds ratio 3.73; 95% confidence interval 1.32-10.58). Increased TNF alpha mRNA expression was observed in pre-eclamptic women; however, there was no correlation between periodontitis and systemic cytokine expression. In the case group, systemic cytokine mRNA levels were similar in pregnant women with and without periodontitis (means +/- SD): 0.73 +/- 0.24 vs. 0.82 +/- 0.38 for TNF alpha and 1.31 +/- 1.49 vs. 1.09 +/- 0.74 for IL-6, respectively. Conclusion: Periodontitis was clinically related to pre-eclampsia; however, the supposed mechanism that correlates the two diseases, i.e. a systemic inflammatory process involving cytokines TNF alpha and IL-6 in the presence of periodontal disease, could not be confirmed in this study.
Subject: periodontal disease
Country: EUA
Editor: Wiley-blackwell
Citation: Journal Of Periodontal Research. Wiley-blackwell, v. 46, n. 4, n. 505, n. 511, 2011.
Rights: fechado
Identifier DOI: 10.1111/j.1600-0765.2011.01368.x
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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