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Immunologic reactivity in patients bearing solid tumors

E Menconi, A Barzi, M Greco

    Tumori
    |June 30, 1980
    PubMed
    Summary

    Cancer patients show impaired immune responses, specifically in phytohemagglutinin (PHA) lymphocyte stimulation and E-rosette forming cells (E RFC) counts, before treatment. These immune markers can help monitor cancer patient competence.

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    Area of Science:

    • Immunology
    • Oncology

    Background:

    • Assessing immune reactivity is crucial for understanding cancer progression and patient prognosis.
    • Previous studies suggest potential immune dysfunctions in cancer patients, but comprehensive evaluation is needed.

    Purpose of the Study:

    • To evaluate the immune reactivity of patients with solid tumors before initiating therapeutic treatment.
    • To compare immune parameters between cancer patients and healthy controls.

    Main Methods:

    • In vitro and in vivo immunological tests were performed on 50 solid tumor patients and 26 healthy controls.
    • Key assessments included peripheral lymphocyte counts, delayed hypersensitivity to recall antigens, phytohemagglutinin (PHA) lymphocyte stimulation, and E-rosette forming cell (E RFC) counts.

    Main Results:

    • No significant differences were observed in peripheral lymphocyte counts or delayed hypersensitivity between patients and controls.
    • Cancer patients exhibited impaired lymphocyte stimulation with PHA and a decreased number of E RFC, regardless of tumor type.
    • These findings indicate specific immune deficits in cancer-bearing individuals.

    Conclusions:

    • Phytohemagglutinin (PHA) lymphocyte stimulation and E-rosette forming cell (E RFC) tests are valuable tools for monitoring immune competence in cancer patients.
    • The study confirms the utility of these specific immune assays in the clinical management of cancer.

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