An immunohistological study of testicular germ cell tumours using two different monoclonal antibodies against placental alkaline phosphatase
1984

Study of Testicular Germ Cell Tumours with Monoclonal Antibodies

Sample size: 16 publication Evidence: moderate

Author Information

Author(s): A.A. Epenetos, P. Travers, K.C. Gatter, R.D.T. Oliver, D.Y. Mason, W.F. Bodmer

Primary Institution: Imperial Cancer Research Fund

Hypothesis

Can monoclonal antibodies against placental alkaline phosphatase effectively identify testicular germ cell tumours?

Conclusion

The study found that the monoclonal antibody H17E2 strongly labels testicular germ cell tumours, while showing no reactivity with normal tissues.

Supporting Evidence

  • All seminomas and malignant teratomas tested gave strong positive labelling with H17E2.
  • Normal tissues showed no reactivity with the antibodies.
  • Two cases of ovarian cancer and one case of endometrial cancer were positively stained by H17E2.

Takeaway

The researchers used special antibodies to find cancer cells in the testis, and they discovered that one of these antibodies works really well.

Methodology

Surgical biopsies were frozen, sectioned, and stained using immunoperoxidase techniques with monoclonal antibodies.

Limitations

The study may not account for all types of testicular tumours and their variations.

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