NSUN6 and Alzheimer disease: In the STG, we observed a significantly lower expression of NSUN6 in the group ‘TBI + no AD’ (p ≤ 0.05) and in groups ‘all TBI’ (p ≤ 0.0001) and ‘TBI + AD’ (p ≤ 0.001), when compared to the TBI-control group (Fig. 3C, Supplementary Table 9).