title: Serum antibodies of periodontitis patients compared to the lipopolysaccharides of Porphyromonas gingivalis and Fusobacterium nucleatum.
abstract: Serum antibody titers against the lipopolysaccharides (LPSs) of Porphyromonas gingivalis and Fusobacterium nucleatum were compared between 9 periodontitis patients and 24 healthy persons. The IgG titers against the LPSs of P. gingivalis ATCC 33277(T) and W50 were clearly higher in the patients than in the healthy persons. However, IgM titers against the LPSs of P. gingivalis strains were relatively low, and no significant difference was observed between the patients and healthy persons. On the other hand, IgG and IgM titers against the LPS of Fusobacterium nucleatum JCM 8532(T) in some patients were significantly higher than those in the healthy persons, although the difference in IgG titers was not large compared to that of the LPS of P. gingivalis. These results suggest that the antibody measurement of patients' sera against the LPS of periodontal bacteria can be applied for the diagnosis of periodontitis.
authors.affiliation: Department of Bacteriology, The Kitasato Institute, Minato-ku, Tokyo 108-8642, Japan. sakura@src.riken.go.jp
authors.forename: Sakura
authors.initials: S
authors.lastname: Onoue
authors.forename: Toshio
authors.initials: T
authors.lastname: Imai
authors.forename: Hidefumi
authors.initials: H
authors.lastname: Kumada
authors.forename: Toshio
authors.initials: T
authors.lastname: Umemoto
authors.forename: Wieslaw
authors.initials: W
authors.lastname: Kaca
authors.forename: Yasunori
authors.initials: Y
authors.lastname: Isshiki
authors.forename: Aki
authors.initials: A
authors.lastname: Kaneko
authors.forename: Kazuyoshi
authors.initials: K
authors.lastname: Kawahara
mesh_terms: D000328:Adult; D000907:Antibodies, Bacterial / Q000097:blood*; D016866:Bacteroidaceae Infections / Q000097:blood / Q000276:immunology* / Q000382:microbiology; D005260:Female; D005674:Fusobacterium Infections / Q000097:blood / Q000276:immunology*; D016967:Fusobacterium nucleatum / Q000276:immunology*; D006801:Humans; D008070:Lipopolysaccharides / Q000276:immunology; D008297:Male; D008875:Middle Aged; D010518:Periodontitis / Q000097:blood / Q000276:immunology* / Q000382:microbiology; D016966:Porphyromonas gingivalis / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D008070:Lipopolysaccharides