RBM15, CBLL1, YTHDC1, YTHDF3, FMR1, IGFBP1, NSUN4, DNMT3B, TET1, TET2, TET3, WDR4, TRMT10C, ALKBH3, PUS7, PUS7L, and PUS10 exhibited increased expression levels in individuals with PTSD, suggesting their potential roles in the biological mechanisms underlying the development and progression of the disorder. The gene discussed is TET2; the disease is post-traumatic stress disorder.