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. 2016 Sep 14;4:e2451. doi: 10.7717/peerj.2451

Figure 6. Serum OVA-specific IgG subtype antibody titers after i.d. immunization.

Figure 6

Vaccination was performed 10 min after 20 or 40 scrapes at day 1, 21 and 42. Groups vaccinated with OVA and OVA + FIA in untreated mice were as the negative and positive controls, respectively. Sera were collected after prime, the first boost and the second boost (day 20, 41 and 55). IgG (A, B & C), IgG1 (D) and IgG2a (E) were determined with ELISA. Data were shown as mean ± SD. OVA-specific IgG1/IgG2a ratios of individual mouse were calculated using IgG2a responders. Data were shown as mean + SD (F) (n = 6; *, p < 0.05; **, p < 0.01; ***, p < 0.001; One-way ANOVA with Dunnett’s posttest.)