CAT and infection: In the non-transgenic cerebellar cortex, peroxisome abundance remained unchanged (Figure 1c,d and Figure 3c,d), but catalase abundances decreased in granule (3.7-fold) and in Purkinje (3.8-fold) neurons of the cerebellar cortex after BoDV1 infection of TNFTg mice (Figure 1k,l and Figure 3k,l; Table 1).