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. 2022 Jun 23;7:61. doi: 10.1038/s41541-022-00483-z

Fig. 5. Heterologous prime-boost immunization does not induce toxicity.

Fig. 5

ad BALB/cJ mice (n = 10/group) were separated into three different cohorts to assess toxicity. A control group received PBS on day 0, 21, and 42 and was sacrificed on day 72. “Acute” and “chronic” cohorts received Ad-GUCY2C (Ad5.F35) on day 0 and Lm-GUCY2C on days 21 and 42 and were sacrificed on days 49 and 72, respectively. Survival (b) and body weight (c) were monitored throughout the study and demonstrated no change from control. d Organs from mice were collected, fixed in formalin, and paraffin embedded. Slides were cut, H&E stained, and scored by a blinded pathologist. Survival (b) was analyzed by the Mantel-Cox log rank. Body weights (c) were analyzed by two-way ANOVA (no significant difference between groups). Histology (d) was analyzed by one-way ANOVA. Error bars indicate mean +/− SEM.