PSA ELISA Kits

PSA ELISA Kits

Prostate Specific Antigen (PSA), also known as Kallikrein-3 (KLK3), is a serine proteinase secreted by epithelial cells of the prostate gland. PSA exists in serum in 3 main forms: unbound free PSA (f-PSA), alpha1-antichymotrypsin bound PSA, and alpha2-macroglobulin bound PSA.

Our PSA ELISA Kits allow you to measure either Free PSA or Total (free and bound) PSA. If you want to measure the free-to-toal PSA ratio, choose our PSA ELISA Combo Kit that includes our Free PSA ELISA and Total PSA ELISA together.


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