PER2 and autism: As shown in Figures 4D, 56 out of 57 overlapped DEGs (except Tagap, T cell activation RhoGTPase activating protein) meet the criteria mentioned above, including some autism-related genes (Simons Foundation Autism Research Initiative, SFARI), such as period circadian clock 1 (Per1), period circadian clock 2 (Per2) and forkhead box P2(Foxp2).