RBFOX3 and chronic kidney disease: The number of NeuN-positive cells in the cortex of CKD-veh mice was significantly lower than that in SHAM-veh mice (CKD-veh: 57.76 ± 13.71 vs. SHAM-veh: 100 ± 6.15% of NeuN-positive cells, p < 0.001) (Fig. 2B).