ESR1 and neoplasm: Analysis of the remaining 43 normal/tumor samples showed that OXER1 transcripts show significantly lower expression (p < 0.0001) in tumor than in normal prostate tissue (Supplementary Figure S3D) and show no relation steroid hormone (ESR1, AR, PGR) gene expression, or protein expression (ER, PR, AR), to the Gleason score of the tumor or the survival of patients (not shown).