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Mucosal immune responses act as the first line of defense against dental caries. In this study, an optimal vaccination strategy was developed to enhance anti-caries mucosal immune responses. Mice and rats were vaccinated intranasally firstly with plasmid pCIA-P encoding PAc antigen of Streptococcus mutans and then with rPAc, or with pCIA-P for twice, or with rPAc protein for twice, respectively. The...
Enhancement of mucosal and systemic immune responses is still a challenge for the application of DNA vaccine. Here, we show anti-caries DNA vaccines, pGJA-P and pGJA-P/VAX, encoding Streptococcus mutans antigens fused to cytotoxic T lymphocyte antigen-4 (CTLA4), which binds to B7 molecule expressed on the surfaces of antigen-presenting cells. Rabbits and monkeys were immunized via intranasal or intramuscular...
Salivary secretory immunoglobulin A (S-IgA) antibodies act as the first line of defense against dental caries by blocking of adherence of Streptococcus mutans to tooth surfaces. This study focused on finding proper mucosal immunization route and delivery system to induce higher level of specific anti-S. mutans saliva S-IgA and inhibit dental caries in animal model. By immunizing rats with an anti-caries...
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