| cell envelope and cell wall immunization of macaca fascicularis: effect on the progression of ligature-induced periodontitis. | the nonhuman primate, macaca fascicularis, was used to study the role of immunization with selected members of the periodontopathic microbiota in the longitudinal progression of ligature-induced periodontitis. animals were immunized with cell envelope antigens prepared from porphyromonas gingivalis and prevotella intermedia, and a mixture prepared from fusobacterium nucleatum, campylobacter rectus, and actinomyces viscosus. serum immunoglobulin g (igg), igm and iga isotype antibodies increased s ... | 1995 | 8602339 |