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Related Experiment Videos

Defective monocyte function in patients with genitourinary carcinoma.

M S Hausman, S Brosman, R Snyderman

    Journal of the National Cancer Institute
    |November 1, 1975
    PubMed
    Summary

    Monocyte function, specifically chemotaxis, was impaired in patients with urinary tract neoplasms. This immune system defect was observed in renal carcinoma and bladder cancer patients, suggesting a link between cancer and reduced monocyte activity.

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    Area of Science:

    • Immunology
    • Uro-oncology
    • Cellular Biology

    Background:

    • Monocyte dysfunction can impact immune responses.
    • Urinary tract neoplasms, including renal carcinoma and bladder cancer, are significant health concerns.
    • Assessing immune cell function is crucial in understanding cancer progression.

    Purpose of the Study:

    • To quantify monocyte function, specifically chemotaxis, in patients with urinary tract neoplasms.
    • To compare monocyte chemotactic activity in cancer patients versus healthy controls.
    • To investigate potential correlations between tumor stage and the degree of chemotactic defect.

    Main Methods:

    • Utilized a quantitative assay to measure monocyte chemotaxis.
    • Enrolled 24 patients with renal carcinoma and 12 patients with transitional cell carcinoma of the bladder.

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  • Compared chemotactic activity of monocytes from cancer patients to that of normal controls and patients with nonneoplastic diseases.

    • Main Results:

    • Patients with renal carcinoma showed a mean chemotactic defect of 34% (P < 0.005) compared to controls.
    • Patients with transitional cell carcinoma of the bladder exhibited a mean chemotactic defect of 29.8% (P < 0.01) compared to controls.
    • No significant correlation was found between the stage of the tumor and the severity of the chemotactic defect.

    Conclusions:

    • Monocyte chemotaxis is significantly impaired in patients with urinary tract neoplasms.
    • This chemotactic defect is present in both renal carcinoma and transitional cell carcinoma of the bladder.
    • The findings suggest a potential role for monocyte dysfunction in the context of urinary tract cancers, independent of tumor stage.