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  • Title: Granulocyte function in chronic granulocytic leukaemia. I. Bactericidal and metabolic capabilities during phagocytosis in isolated granulocytes.
    Author: Odeberg H, Olofsson T, Olsson I.
    Journal: Br J Haematol; 1975 Mar; 29(3):427-41. PubMed ID: 172109.
    Abstract:
    The ingestion, bactericidal activity and metabolism of isolated mature neutrophil leucocytes during phagocytosis was studied in 17 patients with chronic granulocytic leukaemia (CGL) with the simultaneous use of normal controls. Seven patients had received no treatment and the others had been treated previously with Busulphan. The phagocytic indices for killed yeast cells did not differ from those of the controls. A diminished bactericidal activity against E. coli was found in nine CGL cases. The bactericidal capacity closely correlated with the degree of leucocytosis since patients with a WBC count of 90 000/mul or higher with one exception showed decreased bactericidal activities while patients with WBC counts below 90 000/mul with two exceptions showed normal bactericidal activities. The [I-14C]-glucose oxidation during phagocytosis was increased in four patients and decreased in three patients. Some correlation was found between abnormally high or low [I-14C]glucose oxidation and diminished bactericidal activity. The intracellular iodination reaction during phagocytosis was decreased in 10 cases while the extracellular iodination was increased in six cases and decreased in one case. The data for granulocyte iodination did not correlate with WBC count, bactericidal capacity or [I-14C]glucose oxidation. The time course for the bactericidal activity and granulocyte iodination seemed to deviate from the controls indicating a slow initial ingestion and/or degranulation phase. The CGL granulocyte content of myeloperoxidase was normal or increased, the lysozyme content was decreased in half of the cases while the amount of antibacterial cationic proteins was increased, normal or low. The present findings indicate a variety of abnormalities in the mature CGL granulocyte, which are not closely interrelated.
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