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Lymphoblast transformation studies in sarcoidosis.
Zeitschrift Fur Erkrankungen Der Atmungsorgane
|August 1, 1977
Summary
Lymph node and blood lymphocytes from Sarcoidosis patients transform when exposed to Kveim antigen. This lymphoblast transformation was observed in both cell types, suggesting a correlated immune response in Sarcoidosis patients.
Area of Science:
- Immunology
- Cell Biology
- Medical Research
Background:
- Sarcoidosis is an inflammatory disease characterized by granuloma formation.
- Lymphocyte response to specific antigens is a key area of immunological research.
Purpose of the Study:
- To investigate lymphoblast transformation in lymphocytes from Sarcoidosis patients upon Kveim antigen stimulation.
- To compare the response of lymphocytes from lymph nodes and peripheral blood.
Main Methods:
- Tissue culture of lymphocytes from Sarcoidosis patient lymph nodes and peripheral blood.
- Incubation with Kveim antigen.
- Morphological observation of lymphoblast transformation.
- Use of fetal calf serum and human AB serum in cultures.
Main Results:
- Lymph node lymphocytes from Sarcoidosis patients showed morphological lymphoblast transformation after Kveim antigen incubation.
- Peripheral blood lymphocytes from the same patients also exhibited correlated blast transformation.
- Spontaneous blast transformation occurred with fetal calf serum but not with human AB serum.
Conclusions:
- Kveim antigen induces lymphoblast transformation in lymphocytes from both lymph nodes and peripheral blood of Sarcoidosis patients.
- The differential response in spontaneous transformation suggests a role for serum components in lymphocyte activation.
- Further discussion is warranted regarding the discrepancy in spontaneous lymphoblast transformation.