Antibody BNH9 detects red blood cell-related antigens on anaplastic large cell (CD30 +) lymphomas
1991

Antibody BNH9 Detects Red Blood Cell Antigens in Lymphomas

Sample size: 480 publication Evidence: moderate

Author Information

Author(s): G. Delsoll, A. Blancher, T. Al Saatil, E. Ralfkiaer, A. Lauritzen, L. Bruigeres, P. Brousset, F. Rigal-Huguet, C. Mazerolles, A. Robert, S.M. Chittal

Primary Institution: CHU Purpan, Toulouse, France

Hypothesis

The study investigates the reactivity of monoclonal antibodies BNH9 and BNF13 with lymphoid neoplasms, particularly anaplastic large cell lymphomas.

Conclusion

The BNH9 antibody shows strong reactivity with H and Y antigens in 51% of anaplastic large cell lymphomas, indicating biological differences from other lymphomas.

Supporting Evidence

  • BNH9 reacted with 51% of anaplastic large cell lymphomas.
  • Only 5.7% of other non-Hodgkin's lymphomas were positive for BNH9.
  • Strong expression of H and/or Y antigens was observed in ALC lymphomas.
  • Children had a higher positivity rate for BNH9 compared to adults.

Takeaway

Researchers created antibodies to find specific markers in certain cancers, and they found that one of these antibodies works well on a type of lymphoma.

Methodology

Monoclonal antibodies BNH9 and BNF13 were generated and tested on various lymphoid neoplasms and normal tissues using immunohistochemistry.

Limitations

The study primarily focused on paraffin-embedded tissues, which may limit the detection of certain antigens.

Participant Demographics

Included cases of anaplastic large cell lymphomas, non-Hodgkin's lymphomas, and Hodgkin's disease.

Statistical Information

P-Value

0.0023

Statistical Significance

p=0.0023

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