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Related Experiment Videos

LDH isoenzyme distribution in human eosinophils.

C De Simone, M Ferrari, F Sorice

    International Archives of Allergy and Applied Immunology
    |January 1, 1983
    PubMed
    Summary
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    Lactate dehydrogenase (LDH) isoenzyme patterns in human eosinophils differ between healthy individuals and parasitic disease patients. Parasitic infections alter LDH isoenzyme profiles in eosinophils, impacting their function.

    Area of Science:

    • Biochemistry
    • Immunology
    • Cell Biology

    Background:

    • Lactate dehydrogenase (LDH) isoenzymes are crucial for cellular energy metabolism.
    • Eosinophils play a role in immune responses, particularly against parasitic infections.
    • Alterations in LDH isoenzyme patterns may indicate changes in eosinophil function.

    Purpose of the Study:

    • To investigate the lactate dehydrogenase (LDH) isoenzyme patterns in human eosinophils.
    • To compare LDH isoenzyme profiles in eosinophils from healthy donors versus patients with parasitic diseases.
    • To examine LDH patterns in distinct eosinophil subpopulations.

    Main Methods:

    • Isolation of human eosinophils from peripheral blood of healthy donors and patients with parasitic diseases.
    • Analysis of lactate dehydrogenase (LDH) isoenzyme patterns (LDH1 and LDH5).

    Related Experiment Videos

  • Density gradient centrifugation to isolate eosinophil subpopulations with differing cell surface markers.

    • Main Results:

    • Healthy eosinophils exhibit nearly equal LDH1 and LDH5 values.
    • Eosinophils from patients with parasitic infestations show reduced LDH5 and increased LDH1.
    • Distinct eosinophil subpopulations (EAG+ and EAC+) are characterized by very low LDH5 values.

    Conclusions:

    • LDH isoenzyme patterns in human eosinophils are altered during parasitic infections.
    • LDH isoenzyme analysis can differentiate eosinophils from healthy and infected individuals.
    • Specific eosinophil subpopulations display unique LDH profiles, suggesting functional heterogeneity.