FFAR3 and colitis: The number of GPR41-ir neurons per ganglion showed a 28.8% reduction in the Colitis group (15.8 ± 0.2) compared with the Sham group (22.2 ± 0.2; p < 0.0001) and an increase of 25.5% in the Butyrate group (21.2 ± 0.2; p < 0.0001) when compared to the Colitis group (Figure 6A).