ERVW-1 and benign prostatic hyperplasia: The aim of this study was to evaluate the presence of autoantibodies against different epitopes derived from the envelope protein of HERV-K, HERV-W and HERV-H in the plasma of patients with PCa compared to healthy controls (HCs), a cohort of patients with benign prostate hyperplasia (BPH), and a borderline group of patients with atypical small acinar proliferation (ASAP) and prostate intraepithelial neoplasia (PIN).