PRIMA1 and Borderline personality disorder: Subjects: outpatients with BPD (n = 24, all female) and HC (n = 11). Diagnostics: DSM-IV, SCID-II. Methods: DNA bisulfite treatment, pyrosequencing for selective methylation analysis of rDNA 5′ETS (5 CpG sites) and promoter (9 CpG sites), and of PRIMA1 promoter CpG island (6 CpG sites).