HNRNPA2B1 and Alzheimer disease: We observed a significant increase in hnRNPA2 expression in the nuclei of oligodendrocytes in the dentate gyrus of the hippocampus of 3xTg-AD mice compared to WT animals (WT 12.24 ± 1.64 vs. 3xTg-AD 27.22 ± 2.42, a.u., n = 7) (Fig. 2e, f).