Specificity of Tumour Associated Transplantation Antigens (TATA) of different clones from the same tumour
1984

Study of Tumor Associated Transplantation Antigens in Mice

Sample size: 30 publication Evidence: moderate

Author Information

Author(s): M.F.A. Woodruff, J.D. Ansell, B.A. Hodson, H.S. Micklem

Primary Institution: Medical Research Council Clinical and Population Cytogenetics Unit, University of Edinburgh

Hypothesis

Do different clones from the same tumor express distinct tumor-associated transplantation antigens (TATA)?

Conclusion

The study found that clones from the same tumor have strong TATA but show no cross-reactivity.

Supporting Evidence

  • Each clone from the tumor was found to possess strong TATA.
  • There was no demonstrable cross-reactivity between the A and B clones.
  • Immunization with one clone altered the clonal composition of tumors produced by inoculating a mixture of clones.

Takeaway

The researchers looked at how different parts of a tumor can trick the immune system, and they found that even if two parts come from the same tumor, they can act very differently.

Methodology

Mice were immunized with irradiated tumor cells and then challenged with viable cells to assess TATA.

Potential Biases

Potential selection bias due to the immunogenicity of clones affecting the results.

Limitations

The study may not account for the presence of non-transformed host cells affecting the results.

Participant Demographics

Female backcross CBA mice were used in the experiments.

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