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Oxidation of 2-deoxyglucose by human polymorphonuclear leukocytes

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Abstract

Human polymorphonuclear leukocytes (PMNL) can metabolize [l-14C]2-deoxyglucose to14CO2 when stimulated by either phorbol myristate acetate (PMA) or opsonized zymosan. Oxidation of 2-deoxyglucose is about 10–20% as efficient as that of glucose in normal PMNL; it does not occur in defective cells obtained from patients with chronic granulomatous disease. The increased oxidation of [ l-14C]2-deoxyglucose induced by PMA is not sufficient to explain the inhibition of transport induced by that compound; conversely increased transport of 2-deoxyglucose induced by zymosan-activated serum does not result in a significant increase in oxidation of the hexose. Oxidation of [l-14C]2-deoxyglucose appears to be mediated by the hexose monophosphate shunt as indicated by the following (1) oxidation of [1-14C]2-deoxyglucose in intermediate in activity between that of [l-14C]glucose and [6-14C]glucose; (2) the reaction is insensitive to cyanide or azide; and (3) shunt enzymes measured in a cell-free extract from human PMNL can react with 2-deoxyglucose compounds with approximately 10% the efficiency shown towards the corresponding glucose derivatives.

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Dechatelet, L.R., Campbell, T.L., McCall, C.E. et al. Oxidation of 2-deoxyglucose by human polymorphonuclear leukocytes. Inflammation 4, 249–259 (1980). https://doi.org/10.1007/BF00915026

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Keywords

  • Cyanide
  • Azide
  • Monophosphate
  • Hexose
  • Phorbol Myristate Acetate