Fig. 8From: CpG immunostimulatory oligodeoxynucleotide 1826 as a novel nasal ODN adjuvant enhanced the protective efficacy of the periodontitis gene vaccine in a periodontitis model in SD ratsHistopathological examination of organs from SD rats, which were immunized with nothing (group A), 100 ug of saline (group B), 100 ug of pVAX1 (group C), 100 ug of pVAX1-HA2-fimA (group D), 100 ug of pVAX1-HA2-fimA/IL-15 (group E), and 100 ug of pVAX1-HA2-fimA+CpG-ODN 1826 (30 μg) (group F), respectively. Scale bars represent 20 μm. Magnification, 200×Back to article page