Lastly, a set of 53 genes was significantly upregulated (e.g., SYN1, SCN2A, CNTN6 (contactin-6) and NKX2.2) or downregulated (PAX6, DCX (doublecortin), and PLZF) in both BD NPCs and postmitotic neurons. This evidence concerns the gene CNTN6 and Behcet disease.