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Targeted superantigens for immunotherapy of haematopoietic tumours

Tötterman, Thomas H. (author)
Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi,KITM
Gidlöf, C. (author)
Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi,KITM
Ragnarsson, L. (author)
Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi,KITM
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Högbom, E. (author)
Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi,KITM
Lindeberg, M. (author)
von der Lehr, N. (author)
Einarsson, A. (author)
Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi,KITM
Soegaard, M. (author)
Kristensson, K. (author)
Kalland, T. (author)
Dohlsten, M. (author)
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 (creator_code:org_t)
1998
1998
English.
In: Vox Sanguinis. - 0042-9007 .- 1423-0410. ; 74:Supp 2, s. 483-487
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • With the exception of childhood common acute lymphoblastic leukaemia (cALL), treatment of other hematopoietic B cell lineage tumours such as non-Hodgkin's lymphoma (B-NHL), adult ALL and multiple myeloma (MM) is unsatisfactory. Similarly, the therapeutic outcome of acute and chronic myeloid leukaemia (AML, CML) is frequently dismal. At the same time, leukaemia/lymphoma cells represent ideal targets for immunotherapy. The present review summarizes our preclinical experience with a novel type of cytotoxic T cell based immunotherapy for B-lineage and myeloid tumours. Staphylococcal enterotoxin-derived superantigens (SAgs) are among the most potent T cell activators known, linking the T cell receptor to HLA-DR on natural target cells. SAgs were genetically engineered to reduce DR binding and were then fused to Fab parts of tumour-directed monoclonal antibodies (mAbs). Using these "targeted" SAgs, highly efficient lysis of B-lineage (B-NHL, B-CLL, ALL, MM) and myeloid (AML, CML) tumour cells by T-cells was achieved in vitro and in an animal model. We are entering an interesting era of innovative cancer therapy based on novel man-made biotherapeutic agents.

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