NCIt definition : Prostate cancer antigen 3 ( 4 kb) is encoded by the human PCA3 gene. This non-coding
RNA may be involved in prostate carcinoma.;
NCIt note : Prostate cancer antigen 3 may be a more specific biomarker for prostate cancer than
PSA because PSA3 expression does not appear to be elevated in cases of benign prostatic
hyperplasia. (Cancer Res. (1999) 59:5975-9.);