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Natural killer cells in leukemogenesis.

H J Seidel, W Stolz, H Sutter

    Leukemia Research
    |January 1, 1986
    PubMed
    Summary
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    Natural killer (NK) cell function was reduced in mice treated with leukemogenic agents. However, no significant differences in NK cell depression were observed between leukemia-prone mice and those receiving non-leukemogenic treatments.

    Area of Science:

    • Immunology
    • Oncology
    • Toxicology

    Background:

    • Natural killer (NK) cells play a crucial role in immune surveillance against cancer.
    • Understanding NK cell function in leukemogenesis is vital for developing novel therapeutic strategies.
    • Previous studies suggest a link between altered NK cell activity and cancer development.

    Purpose of the Study:

    • To investigate the relationship between reduced natural killer (NK) cell function and leukemogenesis.
    • To compare NK cell activity in mice with varying susceptibility to leukemia after specific treatments.

    Main Methods:

    • NK cells from spleen and peritoneal exudate were analyzed in different mouse strains.
    • Mice were subjected to leukemogenic treatments (butyl- and methylnitrosourea) and non-leukemogenic irradiation.

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  • NK cell function was assessed with and without Corynebacterium parvum stimulation.
  • The impact of hydrocortisone on leukemia development and NK cell activity was also examined.

    • Main Results:

    • A depression in NK cell function was observed across various treatment groups.
    • No significant differences in NK cell depression were found between mice prone to leukemia and those receiving non-leukemogenic cytotoxic treatments.
    • Hydrocortisone treatment, while delaying leukemia, did not alter the observed NK cell depression patterns.

    Conclusions:

    • Reduced NK cell function is a common finding following certain cytotoxic and leukemogenic treatments in mice.
    • The degree of NK cell depression does not appear to be a primary determinant of leukemia susceptibility in this model.
    • Further research is needed to elucidate the complex interplay between NK cells, leukemogenesis, and other immune modulators.