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  • Title: Analysis of lymphoid and dendritic cells in human lymph node, tonsil and spleen. A study using monoclonal and heterologous antibodies.
    Author: van der Valk P, van der Loo EM, Jansen J, Daha MR, Meijer CJ.
    Journal: Virchows Arch B Cell Pathol Incl Mol Pathol; 1984; 45(2):169-85. PubMed ID: 6143445.
    Abstract:
    The distribution of lymphoid and dendritic cells in human reactive lymph nodes, tonsils and spleens was examined by means of an indirect immunoperoxidase technique, using a panel of monoclonal and heterologous antibodies. The antibodies used were directed against antigens present on T cell subsets (Leu1, leu2a, Leu3a, TA1, OKT6), various types of B cells (BA1, BA2, HLA-DR, CR1) and cells of the mononuclear phagocyte system (alpha HM1, TA1, CR1, OKM1, NA 1/34). In the lymph node and tonsil Leu3a-positive cells (T-helper/inducer phenotype) and Leu2a-positive cells (T-suppressor/cytotoxic phenotype) are found in the thymus-dependent or T-cell area; in the spleen Leu3a-positive cells are found mostly in the periarteriolar lymphocyte sheath (PALS), while Leu2a-positive T-suppressor/cytotoxic cells are almost completely restricted to the cords of Billroth in the red pulp. The cells in the mantle zone of germinal centres and in the primary follicles in lymph nodes, tonsils and spleens have B-cell properties (BA1-, HLA-DR-, and CR1-positive). The cells in the germinal centres show a similar staining pattern (HLA-DR-, and partly CR1-positive). Follicles and T-cell-dependent areas have specific dendritic cells, each with a specific staining pattern: the dendritic reticulum cell (DRC) of the follicle stain with CR1, HLA-DR, BA2 and alpha HM1; the interdigitating cell of the T-cell areas in the lymph node, tonsil and spleen stain with HLA-DR and BA1. Moreover, large dendritic OKT6-positive cells are found in the T-cell areas of some of the peripheral lymph nodes, and are probably Langerhans cells. It is concluded that human lymph nodes and tonsils have an identical compartimentalisation, clearly differing from the spleen in cellular organization.
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