ROS and Superoxide Generation
Selective mitochondrial superoxide generation in vivo is cardioprotective through hormesis
... of ROS-induced ROS release [ 4 ] through which ROS generation results in sustained mitochondrial dysfunction and even- tually cell death [ 5 ...mitochondrial ROS production also impacts ...
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Superoxide generation by complex III: From mechanistic rationales to functional consequences
... A-induced superoxide generation by puri fied cytochrome bc 1 complexes from yeast and bovine heart are around one molecule superoxide per second and cytochrome bc 1 complex [26 –28,85] ...of ...
12
Increased Mitochondrial Calpain-1 Is an Important Mechanism Contributing to Mitochondrial ROS Generation in Cardiac Diseases
... mitochondrial superoxide generation in cardiomyocytes, and up-regulation of ATP5A1 attenuates mitochondrial superoxide generation and TNF-α expression in cardiomyocytes induced by LPS and ...
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Cigarette Smoking and Erectile Dysfunction: Focus on NO Bioavailability and ROS Generation
... the extracellular matrix and by inducing calcifica- tion of the medial elastic fibers [54,55]. Although the effects of smoking on endothe- lial cells/eNOS are well established, much less information exists regarding the ...
12
Generation of superoxide anion radicals and platelet glutathione peroxidase activity in patients with schizophrenia
... Dovepress superoxide anions and gPx in schizophrenia antioxidant defense system under conditions of oxidative stress can lead to oxidative damage to different cells, espe- cially membranes, including blood ...
7
Oxidative toxicity in diabetes and Alzheimer’s disease: mechanisms behind ROS/ RNS generation
... of superoxide dismutase (SOD) by McCord and Fridovich. ROS production can be associated with age-related diseases, their developmental processes and cell singling pathways [24, ...includes ROS, ...
10
Amorphous nanosilica induce endocytosis-dependent ROS generation and DNA damage in human keratinocytes
... and superoxide anions to hydroxyl radicals, which is one of the primary DNA damaging ...of ROS genera- tion and DNA oxidation, nSP70 is more potent than ...
10
Possible involvement of ROS generation in vorinostat pretreatment induced enhancement of the antibacterial activity of ciprofloxacin
... of ROS, including vitamins E, C, and B12, and other antioxidants such as melatonin, tempol, and pent- oxifylline were shown to reduce ciprofloxacin antibacterial ...of superoxide as compared to ones that ...
6
Effects of a high-fat diet on superoxide anion generation and membrane fluidity in liver mitochondria in rats
... These inflammatory reactions increase TNF- α and IL-6 levels, which, in turn, activate NADPH oxidase and induce the extravascular migration of immune cells, thereby in- creasing ROS production and oxidizing lipids ...
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Mitochondrial calcium uptake underlies ROS generation during aminoglycoside induced hair cell death
... whether ROS was elevated within zebrafish lateral line hair cells following aminoglycoside exposure, we used the ROS indicator dye cellROX green, as it labels a number of intracellular com- partments, ...
12
Label-free electrochemical sensor to investigate the effect of tocopherol on generation of superoxide ions following UV irradiation
... electrochemical sensing revealed the oxidation status, which can be used to predict UV-induced ROS efflux and ultimately cell damage. The fast and easy experi- mental procedures permitted us to test the efficacy ...
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Generation of superoxide and singlet oxygen from α tocopherolquinone and analogues
... form superoxide radical, the favourable equilibrium constant of this reaction in the case of duroquinone having already been demonstrated ...[39]. Superoxide may then disproportionate (catalysed by SOD) to ...
33
Intracellular pH modulates the generation of superoxide radicals by human neutrophils
... countertransport. The time course of the alkalinization was similar to that of FMLP- stimulated O2- production, which was complete by 5 min. In the presence of 1 mM amiloride, which nearly blocked the pHi transient ...
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Immunologic and Nonimmunologic Generation of Superoxide from Mast Cells and Basophils
... Mediator release from rat peritoneal and human lung mast cells as well as human leukemic basophils was examined to determine whether super-oxide (O − 2 ) was concomitantly generated. Immunologic or nonimmunologic ...
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Glucose initially inhibits and later stimulates blood ROS generation
... the generation of NADPH, the cofactor of the oxidative burst enzyme NADPH-oxidase of blood ...the generation of reactive oxygen species (ROS). The new blood ROS ge- neration assay (BRGA) ...
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Nitric Oxide and Superoxide Generation from Endothelial NOS: Modulation by HSP90
... NO generation we sought to investigate whether HSP90 reduced eNOS superoxide generation in ...attenuates superoxide production, as determined by spin-trapping methodology, from recombinant ...
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Influence of thiol stress on oxidative phosphorylation and generation of ROS in Streptomyces coelicolor
... [email protected]; *Corresponding Author: [email protected] Received 14 August 2010; revised 17 September 2010; accepted 21 September 2010. ABSTRACT Thiols play very important role in the intracel- lular ...
5
Airway smooth muscle NOX4 is upregulated and modulates ROS generation in COPD
... oxidant-induced ROS production was abrogated by the addition of NOX4 inhibitor (mean difference [95 % CI] ...Oxidant-induced ROS generation in ASM from COPD subjects was similar to healthy control ...
5
Superoxide generation by digitonin stimulated guinea pig granulocytes A basis for a continuous assay for monitoring superoxide production and for the study of the activation of the generating system
... H J Cohen, M E Chovaniec J Clin Invest. 1978;61(4):1081-1087. https://doi.org/10.1172/JCI109007. Stimulation of guinea pig granolocytes by digitonin results in superoxide (O-2) generation. A continuous ...
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Superoxide and superoxide dismutase in pulmonary hypoxic vasoconstriction
... Patients and methods: Fifty nine patients (31 male, 28 female; mean age 66.2 years (50 to 86)) with COPD, who had been admit- ted with respiratory failure to the ICU at Stafford General [r] ...
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