HLA phenotypes in patients surviving a long time after immunotherapy with BCG for acute childhood lymphoblastic leukemia. Arguments in favor of the existance of a gene for immune response in human leukemia] |
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Authors: | T Tursz J Hors M Lipinski J L Amiel |
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Abstract: | HLA phenotypes of 13 patients surviving in lasting first remission over 6 years after BCG immunotherapy for acute childhood lymphoblastic leukaemia (ALL) were compared to phenotypes of normal subjects and of surviving ALL patients treated exclusively with chemotherapy. Among the BCG-treated patients, the frequency of the antigen HLA-BW 17 was 46.1% vs 7.3% in healthy controls (p less than 0.001) and the frequency of the antigen HLA-AW 33 was 30.8% vs 1.2% (p less than 0.001). 9 patients possessed at least one of these two antigens (69.2% vs 8% in controls p less than 0.001). Phenotypes of the chemotherapy-treated patients did not differ significantly from controls. These results suggest the existence in humans of HLA-linked genes which are involved in the response to BCG immunotherapy in ALL. |
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