Abstract

SynopsisWhen bone marrow (BM) is taken, cells in suspension are accessible to antibodies. BM transplantation is therefore an ideal situation for using monoclonal antibodies in therapy. These applications include prevention of graft versus host disease by eliminating T cells from allogeneic BM marrow, and the elimination of residual malignant cells from autologous bone marrow. Me Ab-s are currently tested for the removal of residual leukaemic cells in the common form of acute lymphoblastic leukaemia (ALL) and in thymic ALL. Encouraging experiments also indicate that the removal of B leukaemias/lymphomas from the BM will also be feasible.The review summarises the various ways Ab-s can damage coated ‘unwanted’ cells (opsonisation, complement mediated lysis, and Ab-s coupled to toxins), and the principles for selecting Me Ab-s for BM transplantation.

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