Analytical methods of PSA, and how to differentiate between benign prostatic hyperplasia and prostate cancer using the analytical method

摘要

Analytical methods of PSA that can be reliably distinguish between benign prostatic hyperplasia and prostate cancer, and to provide an analysis kit of PSA. The object of the present invention, by contacting a lectin having an affinity for β-N- acetylgalactosamine residue, a sample possibly containing a PSA, to determine the amount of PSA having an affinity for the lectin It can be solved. In this way, it is possible to provide a method and distinguishing benign prostatic hyperplasia and prostate cancer.