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  • Title: Radioimmunochemical measurement of bone marrow prostatic acid phosphatase.
    Author: Cooper JF, Foti AG, Shank PW.
    Journal: J Urol; 1978 Mar; 119(3):392-5. PubMed ID: 76687.
    Abstract:
    Human acid phosphatases are ubiquitous phosphohydrolases that are present in most respiring tissues and cells. Specifically, human prostatic acid phosphatase is a unique enzyme within a vast family of acid phosphatases concerned with catabolic processes in cellular metabolism. The majority of serum and bone marrow acid phosphatases are of non-prostatic origin and are present chiefly in erythrocytes, leukocytes, platelets and other maturing cells in the bone marrow. The specific concentration of prostatic acid phosphatase in serum and bone marrow is normally relatively low compared to non-prostatic acid phosphatases. Many falsely positive assays for total serum acid phosphatases and bone marrow acid phosphatases have been reported, particularly after traumatic marrow biopsy procedures and mishandling of blood samples in the clinical laboratory and in hematologic disease states. The disruption and lysis of whole blood and marrow cells can liberate non-specific acid phosphatases into the serum. Since standard enzymatic assays do not discriminate accurately prostatic acid phosphatase from non-prostatic acid phosphatase present in the serum spurious results can be realized. A preliminary experience with a promising radioimmunoassay for the specific measurement of prostatic acid phosphatase in bone marrow and serum is presented.
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