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  • Title: Heterotypic leukocyte aggregation in the peripheral blood of patients with leukemia, inflammation and stress.
    Author: Arber N, Berliner S, Pras E, Arber L, Fishelson Z, Kahn Y, Bassat MB, Pinkhas J, Aronson M.
    Journal: Nouv Rev Fr Hematol (1978); 1991; 33(3):251-5. PubMed ID: 1956762.
    Abstract:
    This study deals with the question of whether the aggregates of leukocytes in the peripheral blood are homo- or heterotypic. One hundred-fifty individuals with leukemia, inflammation, and physical and mental stress, were examined. It was found that the various cell populations of the peripheral blood are represented in the aggregates and that aggregates are generally heterotypic. Normal and malignant leukocytes were noted in aggregates of patients with leukemia, suggesting that adhesive mechanisms are similar for both normal and malignant leukocytes. This was also supported in two animal models, one with leukocytosis of normal cells and the other with leukocytosis of leukemic cells, in which the state of leukocyte adhesiveness/aggregation in the peripheral blood correlated with tissue leukostasis. The possibility exists that "non specific stickers", present in the peripheral blood, promote interactions between the white blood cells, normal and malignant, and between these cells and the endothelium.
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