RBFOX3 and diabetes mellitus: The percentage of NeuN+ cells was affected by both diabetes induction and MWCNT treatment, as revealed by the significant effects for the two main factors in the ANOVA (Fig. 5A, [F (2, 30) = 15.90, P < 0.0001], [F (1, 30) = 37.13, P < 0.0001]).