PMID: 16529174Mar 15, 2006Paper

Reactive oxygen species and antioxidant mechanisms in the pathogenesis of periodontitis

Annales Academiae Medicae Stetinensis
Katarzyna Król

Abstract

The aim of this study done in patients with periodontitis was (a) to determine superoxide anion production in whole blood by measuring cytochrome c reduction; (b) to assess the effects of oxidative burst in periodontal disease by analyzing lipid peroxidation and degradation of DNA bases in the peripheral and gingival blood; (c) to search for associations between superoxide anion production, lipid peroxidation, 8-hydroxy-2-deoxyguanosine concentration and clinical parameters. Total antioxidant status in peripheral and gingival serum was also studied and correlated with periodontal clinical status. The effects of some risk factors of periodontitis on oxidative stress were analyzed. The study group included 56 patients with untreated periodontitis. The control group consisted of 25 healthy volunteers without any pathological changes in the periodontium. The most important findings of the study are: (a) negative correlation between cytochrome c reduction and periodontal disease index in the study group (p=0.026); (b) positive correlation between anti-ox-LDL autoantibody titres in gingival blood and 8-OHdG levels in venous blood (p<0.001); (c) negative correlation between 8-OHdG concentration in venous blood and total antioxidant st...Continue Reading

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