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Immunofluorescence analysis of normal and malignant lymphoid tissues with selected combination of antisera
G Janossy, JA Thomas and JA Habeshaw
Tissue sections stained with combinations of antisera labeled with different fluorochromes (i.e., conventional antisera to human immunoglobulin classes, T lymphocyte antigens, and Ia-like p28,33 antigens used in various double combinations with each other or with different mouse monoclonal antibodies) allow the identification of the different areas of lymph nodes in serial sections and provide great flexibility as well as precision in the analysis of the distribution and relationship of normal and malignant cells. Lymphoid microenvironments in the thymus and the paracortical areas of lymph nodes are described. The close association of T lymphocytes and nonlymphoid cells expressing large amounts of Ia-like antigens (such as interdigitating reticular cells and endothelium) may be relevant for the understanding of immunoregulatory disorders such as dermatopathic and angioimmunoblastic lymphadenopathies and some malignancies (e.g., mycosis fungoides) were the expression of Ia-like antigens on non-T cells seems to be abnormally abundant. The analysis of immunoglobulin and membrane marker expression of normal and malignant B cells and their relation to T cells can also be related to the histology of the disease. These studies are clinically useful for the classification of childhood lymphomas, the differential diagnosis of anaplastic carcinomas and lymphomas, and in the study of the early stages of lymphomas.
Volume 28,
Issue 11,
pp. 1207-1214,
11/01/1980
Copyright © 1980 by The Histochemical Society
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