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. 2023 Jan 26;6:102. doi: 10.1038/s42003-023-04485-y

Fig. 6. Zabadinostat enhances the antibody response against the covid19 spike S1 protein.

Fig. 6

a Schematic representation of the immunogenicity experiment with zabadinostat and spike S1 protein. Balb/c mice were treated with orally administrated zabadinostat at 25 mg/kg for 14 days (5 days on/2 days off) and intravenous spike S1 protein (days 1 and 7) with respect to vehicle-only control. Blood samples were collected on days 14, 21, and 30; n = 4 per group; b Relative body weight representation of treated and non-treated mice; n = 4; results presented as mean values +/−SD; Analysis of IgG (c) and IgM (d) spike protein antibodies at days 14, 21, and 30 in serum collected from mice treated with spike protein, zabadinostat, the combination and the control group; n = 4; results presented as mean values +/−SD; one-way ANOVA. e Analysis of spike S1-ACE2 neutralising antibodies at days 14, 21, and 30 in serum collected from mice treated with spike protein, zabadinostat, the combination, and the control group; n = 4; results presented as mean values +/−SD; one-way ANOVA.