Examination of Streptococcus mutans for immunoglobulin G Fc reactivity.

Infection and Immunity
C Shea, J J Ferretti

Abstract

Representative strains of oral streptococci were tested for Fc immunoglobulin G (IgG) reactivity by two different techniques, agglutination of rabbit-IgG sensitized sheep erythrocytes and uptake of human and rabbit 125I-radiolabeled IgG. None of the S. mutans serotypes a through e reacted with the Fc region of either human or rabbit IgG. Additionally, other streptococci such as S. sanguis, S. salivarius, S. faecalis, and S. mitis failed to show appreciable Fc reactivity as assayed by these techniques. The group A, C, and G streptococci, previously shown to possess Fc reactivity, proved to be reactive in these experiments, as did a protein A-containing strain of Staphylococcus aureus.

References

Apr 1, 1975·Infection and Immunity·B TerleckyjG D Shockman
Jan 1, 1966·International Archives of Allergy and Applied Immunology·P J McConahey, F J Dixon
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Jan 1, 1960·Proceedings of the Society for Experimental Biology and Medicine·H B LEVY, H A SOBER

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Citations

May 1, 1986·Scandinavian Journal of Immunology·R C WilliamsF T Koster
Jan 1, 1990·Critical Reviews in Oral Biology and Medicine : an Official Publication of the American Association of Oral Biologists·M W Russell, H Y Wu

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