Conjugation of monoclonal antibodies to a synthetic peptide substrate for protein kinase: A method for labelling antibodies with 32P
1988

Labeling Antibodies with 32P for Cancer Treatment

publication Evidence: moderate

Author Information

Author(s): B.M.J. Foxwell, H.A. Band, J. Long, W.A. Jeffery, D. Snook, P.E. Thorpe, G. Watson, P.J. Parker, A.A. Epenetos, A.M. Creighton

Primary Institution: Imperial Cancer Research Fund

Hypothesis

Can a novel method for phosphorylating antibodies improve their use in cancer therapy?

Conclusion

The developed method allows for efficient phosphorylation of antibodies without compromising their binding activity.

Supporting Evidence

  • The method allows high specific activities to be achieved without impairing antibody function.
  • Phosphorylated antibodies were stable in human, mouse, and rat plasmas in vitro.
  • The half-life of the conjugate in mice was found to be 2 days, which is faster than native antibodies.

Takeaway

Scientists found a new way to attach a special marker to antibodies that helps them fight cancer better, and it doesn't make them less effective.

Methodology

The study involved chemically linking a synthetic peptide to antibodies and then phosphorylating them using protein kinases.

Limitations

The study does not address the long-term effects of the conjugated antibodies in vivo.

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