Journal
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume 38, Issue 11, Pages 1015-1020Publisher
WILEY
DOI: 10.1111/j.1600-051X.2011.01777.x
Keywords
anti-oxidant; carcinoma; hepatocellular; JIS score; oxidative stress; periodontitis
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Funding
- Ministry of Education, Culture, Sports, Science and Technology, Tokyo, Japan [22792119]
- Grants-in-Aid for Scientific Research [22792119] Funding Source: KAKEN
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Aim: Periodontitis induces overproduction of reactive oxygen species (ROS). This state increases circulating ROS levels and may affect hepatocellular carcinoma (HCC). The Japan Integrated Stage (JIS) score is a novel staging system for HCC. The objective of the present study was to compare JIS scores in HCC patients with and without periodontitis. Material and Methods: We recruited 64 HCC patients comprising 31 chronic periodontitis subjects (HCC + P) and 33 periodontally healthy controls (HCC + H). Their JIS scores were recorded. Serum levels of reactive oxygen metabolites (ROM) from HCC + P, HCC + H and healthy age-and gender-matched subjects with healthy gingiva (control, n = 15) were also assessed for circulating ROS levels. Results: The HCC + P and HCC + H groups had similar body mass index, habitual drinking and tobacco exposure data. The HCC + P group showed higher JIS scores than the HCC + H group (p = 0.027). Both the HCC + P and HCC + H groups had higher serum levels of ROM than controls (p < 0.001), while serum levels of ROM in the HCC + P group were a further 25.8% higher than those in the HCC + H group (p < 0.001). Conclusion: HCC patients with periodontitis had higher JIS score and circulating ROS level than HCC patients without periodontitis.
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