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Association of periodontitis with persistent, pro-atherogenic antibody responses
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2015 (English)In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 42, no 11, 1006-1014 p.Article in journal (Refereed) Published
Abstract [en]

AIM: To study antibody responses associated with molecular mimicry in periodontitis.

MATERIAL AND METHODS: Fifty-four periodontitis cases (mean age 54.0 years) and 44 controls (53.6 years) were examined, after which cases received periodontal treatment. Established immunoassays were used to analyse levels of antibodies against two pathogens, Aggregatibacter actinomycetemcomitans (Aa) and Porphyromonas gingivalis (Pg), heat shock proteins (Hsp), Hsp60, Hsp65, and Hsp70, and epitopes of oxidized low density lipoprotein (oxLDL) (CuOx-LDL and MDA-LDL) in plasma samples that were collected at baseline, after 3 (n=48) and 6 (n=30) months.

RESULTS: When age, sex, smoking habit, and the number of teeth were considered in multivariate logistic regressions, Aa and Pg IgG, Hsp65-IgA, CuOx-LDL-IgG and -IgM and MDA-LDL-IgG antibody levels were associated with periodontitis, whereas Hsp60-IgG2 antibody levels were inversely associated. The Aa antibody levels significantly correlated with the levels of IgA antibodies to Hsp65 and Hsp70, and both OxLDL IgA-antibody levels. The levels of antibodies to Pg correlated with IgG antibodies to Hsp60, Hsp70 and both oxLDL antibody epitopes. None of the antibody levels changed significantly after treatment.

CONCLUSIONS: Periodontitis is associated with persistently high levels of circulating antibodies that are reactive with pathogen- and host-derived antigens.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2015. Vol. 42, no 11, 1006-1014 p.
Keyword [en]
antibody; heat shock proteins, lipoproteins, periodontal disease, periodontal treatment
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Research subject
URN: urn:nbn:se:umu:diva-108522DOI: 10.1111/jcpe.12456ISI: 000368279500004PubMedID: 26362847OAI: diva2:853385
Available from: 2015-09-13 Created: 2015-09-13 Last updated: 2016-04-19Bibliographically approved

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Johansson, Anders
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Department of Odontology
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