IL17A and Hyperammonemia: Chronic hyperammonemia increased IL-17 levels in Purkinje neurons (p < 0.01, Fig. 1B and F), in granular neurons (p < 0.05, Fig. 1C and G) and in microglia (p < 0.05, Fig. 1D and H), but not in astrocytes (Fig. 1E and I).