Effects of low power laser radiation of blue, green and red ranges on free radical processes in rat blood in endotoxic shock

   


1. Russian State Medical University
Type: Experimental/clinical study
DOI: 10.18097/pbmc20135904411      UDK: 615.849.19      PubMed Id: 24502139
Year: 2013 vol: 59  issue:4  pages: 411-424
Abstract: This study was performed to investigate the effects of low power laser radiation in blue (441.2 nm), green (532.5 nm) and red (632.8 nm) wavelength ranges on free radical processes in experimental endotoxic shock in rats. The experimental model was produced by intraperitoneal injection of lipopolysacharide B (25 mg/kg) (LPS). The following parameters were assayed in the study: the chemiluminescent assay (to evaluate the free radical production by blood leukocytes), nitro blue tetrazolium assay (to monitor the superoxide dismutase activity of plasma) and cis -parinaric acid fluorescence (to estimate the intensity of lipid peroxidation in erythrocyte membranes). It was found that the low power laser radiation significantly influenced all investigated processes, in animals both treated and untreated without LPS injection. The most pronounced effects were observed in all groups of animals subjected to the low power laser radiation: at the dose of 0.75 J/cm2 green laser was most effective and at the dose of 1.5 J/cm2 green and red lasers provided maximal effects. The mechanisms of the observed phenomena are discussed.
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Reference: Machneva T.V., Kosmacheva N.V., Vladimirov Yu.A., Osipov A.N., Effects of low power laser radiation of blue, green and red ranges on free radical processes in rat blood in endotoxic shock, Biomeditsinskaya khimiya, 2013, vol: 59(4), 411-424.
This paper is also available as the English translation:10.1134/S1990750812030109
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