FOS and hepatocellular carcinoma: (F) Aligned dot plot showing the average percentage of c-Fos+ nuclei detected in the CA2 region in the experimental groups (n = 3–4 animals/group; HCC: 4.9% ± 0.4%; SI: 12.2% ± 2.3%; hM4: 5.02% ± 0.7%; p = 0.015, one-way ANOVA); open circles are values from single animals and bars are mean ± SEM.