Myeloperoxidase and Lactoferrin of Blood Neutrophils and Plasma in Chronic Granulocytic Leukaemia
- 1 February 1977
- journal article
- research article
- Published by Wiley in Scandinavian Journal of Haematology
- Vol. 18 (2), 113-120
- https://doi.org/10.1111/j.1600-0609.1977.tb02080.x
Abstract
Myeloperoxidase, restricted to primary granules and lactoferrin, restricted to secondary granules, were determined in plasma and neutrophils of peripheral blood in chronic granulocytic leukemia (CGL). Plasma myeloperoxidase was increased 2-3 times while plasma lactoferrin increased 2-8 times. This discrepancy indicates different modes of release or elimination. A correlation was found between the leukocyte count and plasma myeloperoxidase or lactoferrin. A correlation was also found between cellular and plasma levels of lactoferrin but not for myeloperoxidase indicating the source for plasma lactoferrin to be circulating leukocytes, which may not be the case for plasma myeloperoxidase. Decreased neutrophil lactoferrin was found in 71% of the CGL cases while myeloperoxidase was decreased in 18%. Serial studies on individual CGL subjects showed low cellular lactoferrin during phases with rapidly expanding leukocytosis indicating defective maturation of neutrophils or abnormal release because of prolonged intravascular life span.Keywords
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