KLK3 and benign prostatic hyperplasia: Another study, with rats with benign prostatic hyperplasia showedthat the use of corn silk ethanolic extract can inhibit cell proliferation byinhibiting the expression of 5-alpha reductase mRNA and reducing the concentrationof 5-alpha reductase, dihydrotestosterone and prostate specific antigen (PSA) thatleads to the improvement of this disorder (Kimet al., 2017).