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Immunoelectron microscopic demonstration of antigenic sites on lymphoid cells using a human monoclonal antibody

M L Hansmann1, J Harpprecht, E Westphal

  • 1Institute of Pathology, University of Kiel, Fed. Rep. Germany.

European Journal of Haematology
|July 1, 1989
PubMed

The reactivity of a human monoclonal antibody directed against human B and T lymphocytes was tested for the first time at the ultrastructural level. The antigenic sites detected by this antibody were localized on the surface membrane of lymphocytes and, to a lesser extent, in the cytoplasm on membranes of the endoplasmic reticulum and perinuclear envelop of some centroblasts and immunoblasts. Ultrastructural demonstration of target antigen detected by human monoclonal antibodies may be important prior to therapeutic application of these antibodies.

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