Paranoid Personality Disorder is related to personality disorder and antisocial personality disorder. An important gene associated with Paranoid Personality Disorder is NOS1AP (Nitric Oxide Synthase 1 Adaptor Protein), and among its related pathways/superpathways are Biogenic amine synthesis and Methadone Pathway, Pharmacokinetics. Affiliated tissues include brain, and related phenotypes are nervous system and cardiovascular system