Superoxide anion (O2–)
The role of superoxide anion generation in phagocytic bactericidal activity Studies with normal and chronic granulomatous disease leukocytes
... generate superoxide anion (O2-), a free radical of oxygen, and a possible role for this radical or its derivatives in the killing of phagocytized bacteria were explored using leukocytes from normal ...
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Growth hormone augments superoxide anion secretion of human neutrophils by binding to the prolactin receptor
... enhanced superoxide anion (O2-) ...abrogated O2- secretion by neutrophils incubated with either HuGH or HuPRL, whereas a MAb to the HuGH-R had no ...
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Mitochondrial respiration scavenges extramitochondrial superoxide anion via a nonenzymatic mechanism
... extramitochondrial superoxide anion ...cupro-zinc superoxide dismutase (Cu,Zn-SOD) and electron transport (Rho0 state) grew poorly (P < ...21% O2 compared with parent yeast and yeast ...
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Hypercholesterolemia increases endothelial superoxide anion production
... by superoxide anion (O2-) in hypercholesterolemic vessels ...measure O2- production by normal vessels (NV) and HV, we used an assay for O2- based on the chemiluminescence (CL) of ...
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Enhancement of platelet function by superoxide anion
... oxidase, superoxide anion and hydrogen peroxide are produced along with the hydroxyl ...the superoxide scavenger enzyme superoxide dismutase but not by catalase, or the free radical scavenger ...
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Generation of superoxide anion radicals and platelet glutathione peroxidase activity in patients with schizophrenia
... of superoxide anion radicals after stimulation (thrombin or PAF) with resting platelets derived from schizophrenic patients or healthy subjects, the Wilcoxon signed-rank test was ...
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Antioxidant activity of melatonin and glutathione interacting with hydroxyl- and superoxide anion radicals
... Thus, the analysis of results of quantum chemi- cal modeling served as a basis for establishing the most probable centers of the interaction of MLT and GSH molecules with free oxygen radicals, which correspond to the ...
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Corticosteroids increase superoxide anion production by rat liver microsomes
... Superoxide anion production by liver microsomes from intact, adrenalectomized, and cortisoltreated adrenalectomized rats has been ...measurable superoxide anion was markedly reduced by the ...
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The role of superoxide anion and hydrogen peroxide in phagocytosis associated oxidative metabolic reactions
... consumption, [14C]formate oxidation, [1-14C]glucose oxidation, and iodination of zymosan particles was significantly enhanced by SOD. In contrast, the rate and extent of reduction of nitroblue tetrazolium (NBT) was ...
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ANTIOXIDANT POTENTIAL OF PHLOROGLUCINOL; AN IN VITRO APPROACH
... The antioxidant potential of phloroglucinol was estimated using free radicals such as 1, 1-diphenyl-2-picrylhydrazyl DPPH, superoxide anion O2-, nitric oxide NO-, hydroxyl radical OH, hy[r] ...
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FREE RADICAL SCAVENGING ACTIVITY OF VARIOUS EXTRACTS OF WHOLE PLANT OF TRIANTHEMA TRIQUETRA ROTTLER EX WILD: AN IN-VITRO EVALUATION
... for superoxide anion radical scavenging potential of the extracts of the whole plants of Trianthema triquetra are presented in Table ...maximum superoxide radical scavenging activity at 1000µg/ml and ...
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Antioxidant activity of Cassia auriculata Linn flowers
... The present study was carried out to evaluate the antioxidant activity of ethanolic extract of Cassia auriculata flowers (CAFE) (Caeselpineaceae) in various in vitro systems. Cassia auriculata found in the dry regions of ...
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On-line hemodiafiltration did not induce an overproduction of oxidative stress and inflammatory cytokines in intensive care unit-acute kidney injury
... of superoxide anion by leukocytes, mean levels of pro- and anti-inflammatory cytokines and plasmatic concentrations of EGF, VEGF and MCP-1 did not differ before and after OL-IHDF ...
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Role of nitric oxide and peroxynitrite in the cytokine induced sustained myocardial dysfunction in dogs in vivo
... and superoxide anion, was significantly higher in the myocar- dium of the IL-1 b group than in that of the control group or the group cotreated with dexamethasone or aminoguani- ...
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Studies on the molecular mechanisms of human Fc receptor mediated phagocytosis Amplification of ingestion is dependent on the generation of reactive oxygen metabolites and is deficient in polymorphonuclear leukocytes from patients with chronic granulomatous disease
... mediated phagocytic function, which is dependent on activation of the respiratory burst. The pathway for augmentation of phagocytosis requires superoxide anion, hydrogen peroxide, and lactoferrin and is ...
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Elaboration of toxic oxygen by products by neutrophils in a model of immune complex disease
... complex disease. Contact with this surface, as well as with plain filters and polystyrene petri dishes, induced neutrophils to elaborate superoxide anion and hydrogen peroxide and to generate ...
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Antioxidant Properties of the Oleanolic Acid Isolated from Cassia auriculata (Linn)
... The scavenging activity of the oleanolic acid towards superoxideanion radicals was measured by the method [12].Superoxide anions were generated in a non-enzymatic phenazinemethosulfate-nicotinamide adenine ...
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The role of flaxseed and vitamin E on oxidative stress in prepubertal rats with experimental varicocele: An experimental study
... intracellular superoxide anion production, parallel samples were stained with Dihydroethidium (DHE) using 2 protocols, first DHE procedure, aliquots of 1×10 6 cells were incubated in PBS containing 100 μmol ...
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Role of Paricalcitrol as an Active Vitamin D Analogue on Erectile Function and Penile NOS Expression in Diabetic Rats
... Methods: Male Sprague-Dawley rats were used in this study. Diabetes was induced by a one-time intraperitoneal injection of streptozotocin (60 mg/kg). The rats with blood glucose levels above 300 mg/dL were selected for ...
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Antioxidant activity of the seaweed, Caulerpa racemosa - In vitro assessment
... In summary, the present study investigates the antioxidant potential of the chloroform extract of the seaweed, Caulerpa racemosa by various antioxidant assays, that focus on removing free radicals. The seaweed extract ...
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