Generality
PAP - acronym for Prostate Acid Phosphatase, Italianized in Prostatic Acid Phosphatase - is an indicator of prostatic neoplasms detectable in the blood. Recently, however, this tumor marker has been linked to a marginal role by the much better known PSA (Prostate Specific Antigen), which represents the reference marker for prostate neoplasms, thanks to its improved sensitivity and diagnostic specificity.
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What's this
Prostatic acid phosphatase (PAP) is a glycoprotein belonging to the group of acid phosphatases.
It is synthesized by the prostate glandular cells under the stimulus of testosterone and carries out its action in the seminal fluid.
