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. 2022 Mar 11;4:785698. doi: 10.3389/fgeed.2022.785698

FIGURE 7.

FIGURE 7

Chimeric Alb-hFIX mRNA expression levels in mice treated at P2 and P60 and evaluation of anti-hFIX neutralizing antibodies. (A) Analysis of hybrid Alb-hFIX mRNA expression levels. Alb-hFIX mRNA expression was evaluated in both treated groups (P2, n = 10, and P60, n = 8) and endogenous mFIX mRNA was analyzed in wild-type mice. The fold-increase between hFIX in treated mice and endogenous mFIX in WT mice is indicated; (B) Anti-hFIX neutralizing antibodies were measured using an ELISA assay. Mice plasma was analyzed at different time-points by incubation with hFIX recombinant protein. An anti-hFIX antibody was used as a positive control.