Bovine milk antibodies against cell surface protein antigen PAc- glucosyltransferase fusion protein suppress cell adhesion and alter glucan synthesis of Streptococcus mutans

Takahiko Oho, Yoshihiro Shimazaki, Morihide Mitoma, Mamiko Yoshimura, Yoshihisa Yamashita, Kaoru Okano, Yutaka Nakano, Hiroko Kawagoe, Masataka Fukuyama, Noboru Fujihara, Toshihiko Koga

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Abstract

Cell surface protein antigen (PAc) and glucosyltransferases (GTF) produced by Streptococcus mutans are considered major colonization factors of the organism, and the inhibition of these factors is thought to prevent dental caries. In this study, 8-mo-old pregnant Holstein cows were immunized with fusion protein PAcA-GB, a fusion of the saliva-binding alanine-rich region (PAcA) of PAc with the glucan binding (GB) domain of GTF-I, an enzyme catalyzing the synthesis of water-insoluble glucan from sucrose. High titers of immunoglobulin antibodies specific for the fusion protein were found in normal milk after reimmunization, and they persisted for ~3 mo. The immunoglobulin G (IgG) antibodies against PAcA-GB were purified from immunized milk. The antibodies significantly inhibited the adhesion of S. mutans cells to saliva-coated hydroxyapatite beads. IgG antibodies purified from immunized milk also inhibited total glucan synthesis by cell-associated GTF preparation and GTF-I from S. mutans. The immunized milk may be useful as a means of passive immunization for the prevention of dental caries in humans.

Original languageEnglish
Pages (from-to)1836-1841
Number of pages6
JournalJournal of Nutrition
Volume129
Issue number10
Publication statusPublished - Oct 16 1999

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Glucosyltransferases
Streptococcus mutans
glucosyltransferases
Glucans
surface proteins
glucans
Surface Antigens
cell adhesion
Cell Adhesion
Membrane Proteins
Milk
antigens
milk
antibodies
synthesis
Antibodies
Dental Caries
dental caries
Saliva
immunoglobulin G

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Bovine milk antibodies against cell surface protein antigen PAc- glucosyltransferase fusion protein suppress cell adhesion and alter glucan synthesis of Streptococcus mutans. / Oho, Takahiko; Shimazaki, Yoshihiro; Mitoma, Morihide; Yoshimura, Mamiko; Yamashita, Yoshihisa; Okano, Kaoru; Nakano, Yutaka; Kawagoe, Hiroko; Fukuyama, Masataka; Fujihara, Noboru; Koga, Toshihiko.

In: Journal of Nutrition, Vol. 129, No. 10, 16.10.1999, p. 1836-1841.

Research output: Contribution to journalArticle

Oho, T, Shimazaki, Y, Mitoma, M, Yoshimura, M, Yamashita, Y, Okano, K, Nakano, Y, Kawagoe, H, Fukuyama, M, Fujihara, N & Koga, T 1999, 'Bovine milk antibodies against cell surface protein antigen PAc- glucosyltransferase fusion protein suppress cell adhesion and alter glucan synthesis of Streptococcus mutans', Journal of Nutrition, vol. 129, no. 10, pp. 1836-1841.
Oho, Takahiko ; Shimazaki, Yoshihiro ; Mitoma, Morihide ; Yoshimura, Mamiko ; Yamashita, Yoshihisa ; Okano, Kaoru ; Nakano, Yutaka ; Kawagoe, Hiroko ; Fukuyama, Masataka ; Fujihara, Noboru ; Koga, Toshihiko. / Bovine milk antibodies against cell surface protein antigen PAc- glucosyltransferase fusion protein suppress cell adhesion and alter glucan synthesis of Streptococcus mutans. In: Journal of Nutrition. 1999 ; Vol. 129, No. 10. pp. 1836-1841.
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