Correlation between class I antigen expression and the ability to generate tumour infiltrating lymphocytes from bladder tumour biopsies
1991

Study on T Cells in Bladder Cancer

Sample size: 19 publication Evidence: moderate

Author Information

Author(s): A.M.E. Nouri, A.V.L. dos Santos, D. Crosby, R.T.D. Oliver

Primary Institution: The Royal London Hospital

Hypothesis

The study investigates the correlation between class I antigen expression and the ability to generate tumour infiltrating lymphocytes (TILs) from bladder tumour biopsies.

Conclusion

The successful expansion of TILs correlates with the normal expression of class I antigens on the tumour cells.

Supporting Evidence

  • TILs were established from six of 19 bladder cancer cases.
  • The mean frequency of positive staining for T cell markers was high, indicating activated T cells.
  • There was a significant correlation between the expression of class I antigens and the ability to generate TILs.

Takeaway

Doctors looked at bladder cancer samples to see if certain immune cells could grow. They found that these cells grew better when the cancer cells had normal markers.

Methodology

Tissue sections from bladder tumours were analyzed for TIL growth using IL-2 and conditioned medium, and TILs were phenotyped with specific antibodies.

Limitations

The majority of tumour biopsies were not suitable for culturing due to small size or condition.

Statistical Information

P-Value

<0.02

Statistical Significance

p<0.02

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