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Specifically targeting the CD22 receptor of human B-cell lymphomas with RNA damaging agents: A new generation of therapeutics

  1. Author:
    Hursey, M.
    Newton, D. L.
    Hansen, H. J.
    Ruby, D.
    Goldenberg, D. M.
    Rybak, S. M.
  2. Author Address

    NCI, Div Canc Treatment & Diag, Dev Therapeut Program, Frederick Canc Res & Dev Ctr, Frederick, MD 21702 USA NCI, Div Canc Treatment & Diag, Dev Therapeut Program, Frederick Canc Res & Dev Ctr, Frederick, MD 21702 USA Rybak SM NCI, Div Canc Treatment & Diag, Dev Therapeut Program, Frederick Canc Res & Dev Ctr, Frederick, MD 21702 USA
    1. Year: 2002
  1. Journal: Leukemia & Lymphoma
    1. 43
    2. 5
    3. Pages: 953-959
  2. Type of Article: Review
  1. Abstract:

    Targeting CD22 on human B-cells with a monoclonal antibody conjugated to a cytotoxic RNAse causes potent and specific killing of the lymphoma cells in vitro. This translates to anti-tumor effects in human lymphoma models in SCID mice. RNA damage caused by RNAses could be an important alternative to standard DNA-damaging chemotherapeutics. A second generation construct with an improved recombinant cytotoxic RNAse is described. Targeted RNAses may overcome problems of toxicity and immunogenicity associated with plant or bacterial toxin- containing immunoconjugates.

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