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[Histochemical changes in leukemia in cattle].

A Veselinova, A Dimitrov, L Belchev

    Veterinarno-Meditsinski Nauki
    |January 1, 1985
    PubMed
    Summary
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    Histochemical analysis revealed altered enzyme activity in bovine leukosis. Specific enzyme patterns in lymphoid cells and blood vessels indicate potential for histochemical diagnostic applications in cattle.

    Area of Science:

    • Veterinary Pathology
    • Biochemistry
    • Oncology

    Background:

    • Bovine leukosis is a significant concern in cattle health.
    • Understanding thePathophysiology of bovine leukosis is crucial for diagnosis and management.
    • Enzyme activity alterations can serve as biomarkers for disease states.

    Purpose of the Study:

    • To investigate the activity of key enzymes in various organs of cows with bovine leukosis.
    • To compare enzyme activity between leukotic and normal control cows.
    • To evaluate the diagnostic potential of histochemical methods for bovine leukosis.

    Main Methods:

    • Histochemical techniques were employed to detect enzyme activity.
    • Enzymes investigated included succinic dehydrogenase, diphosphopyridine-nucleotid-diaphorase, alkaline phosphatase, and acid phosphatase.

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  • Tissues examined were liver, kidneys, lymph nodes, and heart muscle from 20 leukotic and 2 control cows.

    • Main Results:

    • Leukotic lymphoid cells and activated vascular cells showed high alkaline phosphatase and low acid phosphatase activity.
    • Reduced dehydrogenase activity was observed in lymphoid-cell proliferations and activated vascular cells.
    • Cellular metabolism in leukotic tissues was found to be disturbed.

    Conclusions:

    • Histochemical investigation reveals distinct enzyme activity patterns in bovine leukosis.
    • Alkaline phosphatase and dehydrogenase activity alterations are indicative of the disease.
    • Histochemical methods show promise as a diagnostic tool for bovine leukosis.