DKK1 and brain disorder: We highlighted Dickkopf WNT Signaling Pathway Inhibitor 1 (DKK1), EPH Receptor B6 (EPHB6), Neurotrophic Receptor Tyrosine Kinase 3 (NRTK3), and Tumor Protein P53 (TP53), which were previously described as being regulated by these miRNAs and involved in either brain disorders or ASD [24,25,26,27].