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  • Title: Human leukaemia-associated antigens expressed by acute myelocytic leukaemia cells and their detection by heterologous antisera.
    Author: Thränhardt H, Milleck J, Zintl F, Koppitz D, Plenert W.
    Journal: Folia Haematol Int Mag Klin Morphol Blutforsch; 1979; 106(3):311-20. PubMed ID: 89982.
    Abstract:
    Antisera against human acute myelocytic leukaemias were tested in complement-dependent in-vitro cytotocity tests against leukaemia cells and normal cells as targets. After absorption with erythrocytes and spleen cells from allogeneous donors the antisera reacted with leukaemia cells, but not with leukocytes from bone marrow and the peripheral blood of children in remission, lymphocytes from healthy donors, enriched B-lymphocytes, enriched T-lymphocytes, PHA-induced blasts and cord blood lymphocytes. Extensive cross reactions were obtained in the tests against leukaemia cells. The antisera reacted not only with AML cells, but also with ALL, CLL, and CML cells. It was possible to remove the cross-reactivity with ALL cells through absorption with ALL cells or with fetal tissue, and to remove the cross reactivity with CLL cells through absorption with CLL. A complete absorption of the anti-AML sera was possible with AML and CML cells. After absorption with fetal tissue and CLL cells the antisera showed exclusively specificity for myelocytic leukaemias. Thus, AML cells contain three leukaemia-associated membrane antigen components: an antigen of fetal origin, a "CLL-specific" antigen, and an antigen that occurs on myelocytic leukaemias.
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