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. 2004 Jul 15;10(14):2072–2077. doi: 10.3748/wjg.v10.i14.2072

Figure 4.

Figure 4

Determination of anti-HBs IgG of sera from mice primed by the different plasmid DNAs and boosted with HBsAg protein. Each group of mice (n = 6) was primed im at week 0 with 100 μg of mock DNA (○), pVAON33-S2/S plasmid (●), pVAON33-S2/S-P28 plasmid (△), pVAON33-S2/S-P28.2 plasmid (□), pVAON33-S2/S-P28.3 plasmid (◇) and pVAON33-S2/S-P28.4 plasmid (■), separately. And then boosted sc at week 12 with HBsAg (1 μg per mouse). Sera collected at the indicated times from each group were diluted 1:10 for determination of specific IgG levels by ELISA.