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Biofactors. 2006;26(4):283-92.

Activation of redox-systems of monocytes by hydrogen peroxide.

Author information

1
Department of Biophysics, Belarus State University, Minsk, Belarus.

Abstract

In this work the influence of H2O2 on the ability of human blood monocytes to generate ROS upon stimulation of cells by adhesion to glass surface and fMLP was studied using the luminol-dependent chemiluminescence (LDCL) method. Pretreatment of cells with H2O2 increased the adhesiveness of monocytes and ROS generation. Superoxide generation by cells in response to fMLP depended on the duration of pretreatment and the concentration of H2O2. The stimulatory effect on fMLP-induced LDCL of cells further depended on the Ca2+ concentration in the medium and on the activities of phospholipase A2, cyclooxygenases, and Mek1/2.

PMID:
17119274
[Indexed for MEDLINE]

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