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[Studies on the E rosette test (author's transl)]. 1980

R Neubert, and H Sauer, and H Ambrosius, and P Leonhardt

The number of T lymphocytes in the peripheral blood of normal subjects and patients with bronchial carcinoma was determined by using the E rosette test. In a comparative study we counted the "total" rosette forming cells and the "active" rosette forming cells using a lymphocytes-sheep red cells-ratio (Ly-SRBC-R) of 1:8 and 1:40. The numbers or rosettes in the two test systems are in correlation with the Ly-SRBC-R despite other differences in the techniques. -A significant difference was determined between normal subjects and patients with the "active" rosette test only with a L-SRBC-R of 1:40. By contrast the values with the L-SRBC-R of 1:8 were not very different between the two groups. -Also the number of "total" rosettes was significantly different between blood donors and carcinoma patients, using the L-SRBC-R. 1:40. -These results are not of direct clinical relevance, because the values of normal subjects and carcinoma patients are overlapping.

UI MeSH Term Description Entries
D001984 Bronchial Neoplasms Tumors or cancer of the BRONCHI. Neoplasms, Bronchial,Bronchial Neoplasm,Neoplasm, Bronchial
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012397 Rosette Formation The in vitro formation of clusters consisting of a cell (usually a lymphocyte) surrounded by antigenic cells or antigen-bearing particles (usually erythrocytes, which may or may not be coated with antibody or antibody and complement). The rosette-forming cell may be an antibody-forming cell, a memory cell, a T-cell, a cell bearing surface cytophilic antibodies, or a monocyte possessing Fc receptors. Rosette formation can be used to identify specific populations of these cells. Immunocytoadherence,Formation, Rosette,Formations, Rosette,Immunocytoadherences,Rosette Formations
D013601 T-Lymphocytes Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LYMPHOCYTES, CYTOTOXIC) and helper T-lymphocytes (T-LYMPHOCYTES, HELPER-INDUCER). They are formed when lymphocytes circulate through the THYMUS GLAND and differentiate to thymocytes. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen. T Cell,T Lymphocyte,T-Cells,Thymus-Dependent Lymphocytes,Cell, T,Cells, T,Lymphocyte, T,Lymphocyte, Thymus-Dependent,Lymphocytes, T,Lymphocytes, Thymus-Dependent,T Cells,T Lymphocytes,T-Cell,T-Lymphocyte,Thymus Dependent Lymphocytes,Thymus-Dependent Lymphocyte

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