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Related Experiment Videos

Circulating immune complexes in patients with malignant lymphomas and solid tumors.

H E Heier, N Carpentier, G Lange

    International Journal of Cancer
    |December 15, 1977
    PubMed
    Summary

    Immune complexes were detected in untreated patients with lymphomas and solid tumors. Their presence correlated with advanced disease stages and general symptoms in lymphoma patients.

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    Area of Science:

    • Immunology
    • Oncology

    Background:

    • Immune complexes are implicated in various diseases.
    • Their role in untreated malignancies requires further investigation.

    Purpose of the Study:

    • To investigate the presence and characteristics of immune complexes in untreated cancer patients.
    • To explore the association between immune complexes and disease parameters.

    Main Methods:

    • Sera from patients with Hodgkin's disease, non-Hodgkin lymphoma, and solid tumors were analyzed.
    • The (125I) C1q-binding test was used to detect immune complexes.
    • Characterization involved sucrose density gradient and immunoabsorbent techniques.

    Main Results:

    • Increased C1q-binding activity, indicative of immune complexes, was found in 22% of Hodgkin's disease, 35.9% of non-Hodgkin lymphoma, and 37.3% of solid tumor patients.

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  • The detected material exhibited properties consistent with immune complexes, including IgG content and sedimentation patterns.
  • A significant association was observed between immune complexes and disseminated disease stages across all patient groups.
  • Immune complexes were also linked to general symptoms in lymphoma patients.

    • Conclusions:

    • Untreated cancer patients, particularly those with lymphomas and solid tumors, frequently exhibit immune complexes.
    • The presence of these immune complexes is associated with more advanced disease and systemic symptoms.
    • The specific antigens forming these complexes remain unidentified, warranting further research.