CREB1 and post-traumatic stress disorder: Other GWS CpG sites differentially methylated with respect to current PTSD included cg03284870 (chr7:45197346, p = 3.47 × 10−8), cg22500183 (chr17:33914271, p = 4.09 × 10−8), cg06595994 (chr12:51632641, p = 4.68 × 10−8), and cg00770699 (chr11:85370479, p = 7.02 × 10−8) located within the RAMP3 (Receptor Activity Modifying Protein 3), AP2B1 (Adaptor Related Protein Complex 2 Subunit Beta 1), DAZAP2 (DAZ Associated Protein 2), and CREBZF (CREB/ATF BZIP Transcription Factor) genes, respectively.