Characterization of BIS20x3, a bi-specific antibody activating and retargeting T-cells to CD20-positive B-cells
2001

BIS20x3: A New Antibody for Targeting B-Cells

publication Evidence: moderate

Author Information

Author(s): Withoff S, Bijman M N A, Stel A J, Delahaye L, Calogero A, Jonge M W A de, Kroesen B J, Leij L de

Primary Institution: Department of Pathology and Laboratory Medicine, University Hospital Groningen

Hypothesis

BIS20x3 can effectively retarget T-cells to CD20-positive B-cells.

Conclusion

BIS20x3 is functional in retargeting T-cells to B-cells and may be effective in treating B-cell lymphomas.

Supporting Evidence

  • BIS20x3 can retarget T-cells to B-cells effectively.
  • The antibody retains signaling characteristics of both chains.
  • T-cell activation occurs upon cross-linking with BIS20x3.

Takeaway

Scientists created a special antibody that helps T-cells find and attack bad B-cells, which could help treat certain blood cancers.

Methodology

The antibody was obtained through hybrid–hybridoma fusion and tested for its ability to activate T-cells and target B-cells.

Digital Object Identifier (DOI)

10.1054/bjoc.2000.1707

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