Prostatic acid phosphatase, a neglected ectonucleotidase
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- Zimmermann, H. Purinergic Signalling (2009) 5: 273. doi:10.1007/s11302-009-9157-z
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Two recent papers reveal that the soluble and secreted prostatic acid phosphatase, an enzyme that has long served as a diagnostic marker for prostate cancer, has a membrane-bound splice variant. This enzyme exhibits ecto-5′-nucleotidase activity, is widely distributed, and implicated in the formation of chronic pain. While prostatic acid phosphatase hydrolyzes phosphomonoesters other than 5′-nucleoside monophosphates these novel data suggest that, in addition to ecto-5′-nucleotidase and the alkaline phosphatases, prostatic acid phosphatase must be taken into account in future studies on extracellular adenosine production.