Western blot analysis was conducted following the protocol provided by Liu et al.18 (link) The antibodies used were the primary antibody, rabbit monoclonal antibody to FOXG1 (1:1000, ab196868), rabbit antibody to bcl-2–associated X protein (Bax, 1:1000, ab32503), rabbit antibody to B-cell chronic lymphocytic leukemia/lymphoma 2 (Bcl-2, 1:2000, ab182858), rabbit antibody to CCND2 (1:1000, ab207604), and rabbit antibody to glyceraldehyde-3-phosphate dehydrogenase (internal reference, ab9485, 1:2500) and the secondary antibody, horseradish peroxidase-conjugated goat anti-rabbit IgG H&L (ab97051, 1:2000, Abcam Inc., Cambridge, UK) for 1 hour.