[Local cellular immune reactions in cancer patients]
Voprosy Onkologii
|January 1, 1988
Summary
Local immune cell reactions in early breast cancer have limited prognostic value. However, tumor mononuclear cell surface receptor activity, particularly rosette formation and theophylline sensitivity, can influence patient outcomes.
Area of Science:
- Oncology
- Immunology
- Cell Biology
Background:
- Morphological features of local cell-mediated immune reactions in early-stage breast cancer (Stage I-II) offer limited prognostic insight.
- Understanding the role of immune cell surface receptors in breast cancer prognosis is crucial for developing targeted therapies.
Purpose of the Study:
- To comparatively evaluate characteristics of lymphocyte cell surface receptors, including spontaneous rosette formation with sheep erythrocytes and theophylline sensitivity.
- To assess the prognostic value of these receptor characteristics in breast cancer patients, considering the presence or absence of regional metastases.
Main Methods:
- Analysis of lymphocyte samples from tumor tissue and peripheral blood of 76 breast cancer patients.
- Evaluation of spontaneous rosette formation with sheep erythrocytes and sensitivity to theophylline in lymphocyte populations.
- Correlation of receptor patterns with the presence or absence of regional metastases and patient prognosis.
Main Results:
- Several distinct patterns of rosette-forming cell reaction to theophylline were identified.
- The incidence of specific rosette-forming cell patterns was significantly associated with the presence or absence of regional metastases.
- The level and functional activity of surface receptors on tumor mononuclear cells were found to influence patient prognosis.
Conclusions:
- While general morphological immune reactions have limited prognostic value in early breast cancer, specific cell surface receptor characteristics of tumor-infiltrating lymphocytes are prognostically significant.
- Theophylline sensitivity and rosette formation ability of lymphocytes, particularly within tumor tissue, may serve as predictive biomarkers for breast cancer progression and metastasis.
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