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. 2018 Jan 19;8:1998. doi: 10.3389/fimmu.2017.01998

Figure 2.

Figure 2

Immunogenicity of chimpanzee adenovirus 63 (ChAd63)–modified Vaccinia Ankara (MVA) vaccination with mixed or co-administered antigens in mice. Day 70 antigen-specific IgG responses in mice after immunization with ChAd63-MVA expressing Pfs25, Pfs230, Pfs28, and GFP [vector control (VC)] antigens. Constructs were administered by premixing antigens prior to vaccination (mixed) or co-administering (Co-ad) by vaccinating each antigen separately. The figure shows the total IgG response against Pfs25 [(A) two independent immunization experiments were conducted of experiment 1: n = 8/group (open symbols) and experiment 2: n = 5/group (closed symbols)], Pfs230C (B), and Pfs28 (C). Response was measured by standardized ELISA (A,B) and expressed in antibody units. Anti-Pfs28 antibody levels were measured by endpoint ELISA (C) and expressed as Pfs28 endpoint titer. Median and individual data points are shown. Kruskal–Wallis tests showed p = 0.0682 (A), p = 0.2445 (B), and p = 0.0304 (C), respectively. Dunn’s multiple comparison posttests showed no significant difference.