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. 2020 Mar 18;5:23. doi: 10.1038/s41541-020-0173-x

Fig. 6. Durability of the anti-Pfs230C1 IgG response.

Fig. 6

Mice were immunized intramuscularly with 100 ng Pfs230C1 admixed with CoPoP/PHAD liposomes (400 ng PHAD) and 15 and 1 μg of Pfs230C1 with Alum on day 0 and 21. a Comparison of IgG titer between day 42 (n = 10 mice) and day 250 (n = 5 mice). (b) Antibody kinetics for Alum (15 ug Pfs230C1) and CoPoP/PHAD (50 ng Pfs230C1). Geometric mean and 95% confidence interval of groups (n = 5 mice) are shown. (c) LMR to EU in feeder (square root scale) with day 250 IgGs. Each dot represents purified IgG from n = 10 mice. The asterisk shows the same best-fit line using day 42 CoPoP/PHAD data shown in Fig. 4c. (d) IgG subclass percentage of indicated adjuvants with different amount of Pfs230C1. (e) avidity of indicated adjuvants with different amount of Pfs230C1, each dot represents purified IgG from n = 10 mice. For a, the titer comparison between Day 42 and Day250 with indicated adjuvants, log10-transformed titer were analyzed by Student's t test.