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Related Experiment Videos

Alkaline phosphatase as tumor marker.

S Narayanan

    Annals of Clinical and Laboratory Science
    |March 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Alkaline phosphatase isoenzymes like Regan and Nagao show potential as cancer biomarkers. Their unique properties help differentiate tumor types, aiding in cancer diagnosis and research.

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    Area of Science:

    • Biochemistry
    • Oncology
    • Clinical Chemistry

    Background:

    • Alkaline phosphatase (ALP) is an enzyme with various isoforms.
    • Certain ALP isoenzymes are associated with specific cancers.
    • Understanding these tumor-associated ALP variants is crucial for diagnostic applications.

    Purpose of the Study:

    • To review the applications and limitations of alkaline phosphatase as a tumor marker.
    • To focus on characteristic ALP isoenzymes found in cancer patients.
    • To discuss the classification and differentiation of tumor variants of ALP.

    Main Methods:

    • Literature review of studies on alkaline phosphatase isoenzymes in cancer.
    • Analysis of heat stability properties of tumor-associated ALP variants.

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  • Evaluation of ALP variant behavior with specific inhibitors.
  • Description of electrophoretic variants and enzyme-immunoglobulin complexes.

    • Main Results:

    • Identified three key ALP isoenzymes in cancer patients: Regan (bronchogenic carcinoma), Nagao (pleuritis carcinomatosa), and hepatoma ALP.
    • Classified tumor ALP variants based on heat stability and inhibitor response, comparing them to placental ALP.
    • Described electrophoretic variants and enzyme-immunoglobulin complexes in various cancers.

    Conclusions:

    • Alkaline phosphatase isoenzymes serve as valuable tumor markers.
    • Specific ALP variants (Regan, Nagao, hepatoma) have diagnostic relevance.
    • Further characterization of ALP variants aids in cancer detection and understanding.