In addition, transcripts of HERV-K10 were found increased in post-mortem brain tissue from patients with schizophrenia and bipolar disorders [176] and in line, retroviral RNAs of HERV-W, ERV9, and HERV-FRD have been identified in the cerebral spinal fluid of schizophrenia patients [177]. The gene discussed is ERVW-1; the disease is schizophrenia.