The actin cytoskeleton reorganization induced by Rac1 requires the production of superoxide.

abstract：AIMS:Recent studies suggest that the molybdenum enzymes xanthine oxidase, aldehyde oxidase, and mARC exhibit nitrite reductase activity at low oxygen pressures. However, inhibition studies of xanthine oxidase in humans have failed to block nitrite-dependent changes in blood flow, leading to continued exploration for ot...

journal_title：Antioxidants & redox signaling

authors： Wang J,Krizowski S,Fischer-Schrader K,Niks D,Tejero J,Sparacino-Watkins C,Wang L,Ragireddy V,Frizzell S,Kelley EE,Zhang Y,Basu P,Hille R,Schwarz G,Gladwin MT

更新日期：2015-08-01 00:00:00

abstract：AIMS:Endothelium-dependent vasorelaxation is mediated by endothelium-derived relaxing factor and endothelium-derived hyperpolarizing factor (EDHF). However, the molecular entity of EDHF remains unclear. The present study examined whether hydrogen sulfide (H₂S) acts as EDHF and how H₂S mediates EDHF pathways from endoth...

journal_title：Antioxidants & redox signaling

authors： Tang G,Yang G,Jiang B,Ju Y,Wu L,Wang R

更新日期：2013-11-10 00:00:00

abstract：:The mechanism for regeneration of the active-site "peroxidatic" cysteine in 1-Cys peroxiredoxins is a matter of debate. Saccharomyces cerevisiae Prx1 is a mitochondrial enzyme belonging to the 1-Cys Prx, whereas Grx2 is involved in antioxidant defense and localizes at the mitochondria, so we hypothesized that it could...

journal_title：Antioxidants & redox signaling

authors： Pedrajas JR,Padilla CA,McDonagh B,Bárcena JA

更新日期：2010-08-01 00:00:00

abstract：AIMS:Glutathione peroxidase (GPX) mimic ebselen and superoxide dismutase (SOD) mimic copper diisopropylsalicylate (CuDIPs) were used to rescue impaired glucose-stimulated insulin secretion (GSIS) in islets of GPX1 and(or) SOD1-knockout mice. RESULTS:Ebselen improved GSIS in islets of all four tested genotypes. The res...

journal_title：Antioxidants & redox signaling

authors： Wang X,Yun JW,Lei XG

更新日期：2014-01-10 00:00:00

abstract：:Protein-DNA interactions play a key role in the regulation of major cellular metabolic pathways, including gene expression, genome replication, and genomic stability. They are mediated through the interactions of regulatory proteins with their specific DNA-binding sites at promoters, enhancers, and replication origins...

journal_title：Antioxidants & redox signaling

authors： Shlomai J

更新日期：2010-11-01 00:00:00

abstract：:This Forum issue "Heme Oxygenase" (HO) includes original research articles and reviews that are aimed at understanding the role of HO-1 in several pathophysiological conditions, specially addressing those involving inflammation and oxidative damage. Overall, the seven contributions of this Forum highlight the dual rol...

journal_title：Antioxidants & redox signaling

authors： Facchinetti MM

更新日期：2020-06-10 00:00:00

abstract：:A model has been developed for the hemopexin receptor-mediated heme transport system based on iron uptake in yeast. Two steps are required: reduction followed by oxidation by a multi-copper-oxidase. Furthermore, in the hemopexin system, the surface redox events have been linked with gene regulation. The impermeable Cu...

journal_title：Antioxidants & redox signaling

authors： Sung L,Shibata M,Eskew JD,Shipulina N,Morales PJ,Smith A

更新日期：2000-01-01 00:00:00

abstract：AIMS:Mesenchymal stromal cells (MSCs) are heterogeneous cells from adult tissues that are able to differentiate in vitro into adipocytes, osteoblasts, or chondrocytes. Such cells are widely studied in regenerative medicine. However, the success of cellular therapy depends on the cell survival. Heme oxygenase-1 (HO-1, e...

journal_title：Antioxidants & redox signaling

authors： Nowak WN,Taha H,Kachamakova-Trojanowska N,Stępniewski J,Markiewicz JA,Kusienicka A,Szade K,Szade A,Bukowska-Strakova K,Hajduk K,Klóska D,Kopacz A,Grochot-Przęczek A,Barthenheier K,Cauvin C,Dulak J,Józkowicz A

更新日期：2018-07-10 00:00:00

abstract：:Zinc/cysteine coordination environments in proteins are redox-active. Oxidation of the sulfur ligands mobilizes zinc, while reduction of the oxidized ligands enhances zinc binding, providing redox control over the availability of zinc ions. Some zinc proteins are redox sensors, in which zinc release is coupled to conf...

journal_title：Antioxidants & redox signaling

authors： Maret W

更新日期：2006-09-01 00:00:00

abstract：SIGNIFICANCE:A mismatch between energy supply and demand induces tissue hypoxia with the potential to cause cell death and organ failure. Whenever arterial oxygen concentration is reduced, increases in blood flow--hypoxic vasodilation--occur in an attempt to restore oxygen supply. Nitric oxide (NO) is a major signaling...

journal_title：Antioxidants & redox signaling

authors： Umbrello M,Dyson A,Feelisch M,Singer M

更新日期：2013-11-10 00:00:00

abstract：SIGNIFICANCE:MicroRNAs (miRNAs) are important regulators of gene expression and define part of the epigenetic signature. Their influence on every realm of biomedicine is established and progressively increasing. The impact of environment on human health is enormous. Among environmental risk factors impinging on quality...

journal_title：Antioxidants & redox signaling

authors： Miguel V,Cui JY,Daimiel L,Espinosa-Díez C,Fernández-Hernando C,Kavanagh TJ,Lamas S

更新日期：2018-03-20 00:00:00

abstract：:Our laboratory demonstrated that hyperhomocysteinemia accelerates atherosclerosis in mouse models through ER stress and activation of the unfolded protein response (UPR). In this study, we tested the hypothesis that homocysteine-induced ER stress may arise from ER-Ca(2+) disequilibria. We found that homocysteine-induc...

journal_title：Antioxidants & redox signaling

authors： Dickhout JG,Sood SK,Austin RC

更新日期：2007-11-01 00:00:00

abstract：SIGNIFICANCE:Changes in shear stress associated with alterations in blood flow initiate a signaling cascade that modulates the vascular phenotype. Shear stress is "sensed" by the endothelium via a mechanosensitive complex on the endothelial cell (EC) membrane that has been characterized as a "mechanosome" consisting of...

journal_title：Antioxidants & redox signaling

authors： Chatterjee S,Fisher AB

更新日期：2014-02-20 00:00:00

abstract：:Parkinson's disease is characterized by a progressive loss of dopaminergic neurons in the substantia nigra zona compacta, and in other subcortical nuclei associated with a widespread occurrence of Lewy bodies. The causes of cell death in Parkinson's disease are still poorly understood, but a defect in mitochondrial ox...

journal_title：Antioxidants & redox signaling

authors： Sharma SK,Ebadi M

更新日期：2003-06-01 00:00:00

abstract：SIGNIFICANCE:The accepted effects of aging in mammalian skeletal muscle are progressive atrophy and weakening, or sarcopenia. Canonical hallmarks of aging in skeletal muscle include a reduction in muscle fiber cross-sectional area, a loss in muscle fibers through apoptosis and denervation, and infiltration of connectiv...

journal_title：Antioxidants & redox signaling

authors： Lawler JM,Hindle A

更新日期：2011-11-01 00:00:00

abstract：:Thiol peroxidases comprise glutathione peroxidases (GPx) and peroxiredoxins (Prx). The enzymes of both families reduce hydroperoxides with thiols by enzyme-substitution mechanisms. H(2)O(2) and organic hydroperoxides are reduced by all thiol peroxidases, most efficiently by SecGPxs, whereas fast peroxynitrite reductio...

journal_title：Antioxidants & redox signaling

authors： Flohé L,Toppo S,Cozza G,Ursini F

更新日期：2011-08-01 00:00:00

abstract：:Intracellular Ca(2+) signaling, and related mechanisms involving inositol 1,4,5-trisphosphate (IP(3)), nitric oxide, and the excitatory neurotransmitter glutamate, play a major role in the regulation of cellular function in the brain. Due to the complex morphology of central neurons, the correct spatiotemporal distrib...

journal_title：Antioxidants & redox signaling

authors： Okubo Y,Kanemaru K,Iino M

更新日期：2011-04-01 00:00:00

abstract：:Studies from many laboratories have shown that overexpression of manganese superoxide dismutase (MnSOD) inhibits the growth of numerous tumor cell types. The inhibition of tumor cell growth can be attributed to the increase in the steady-state levels of H2O2 as a result of the increased dismuting activity of MnSOD. He...

journal_title：Antioxidants & redox signaling

authors： Kim KH,Rodriguez AM,Carrico PM,Melendez JA

更新日期：2001-06-01 00:00:00

abstract：AIMS:Intracellular amyloid beta (Aβ) oligomers and extracellular Aβ plaques are key players in the progression of sporadic Alzheimer's disease (AD). Still, the molecular signals triggering Aβ production are largely unclear. We asked whether mitochondrion-derived reactive oxygen species (ROS) are sufficient to increase ...

journal_title：Antioxidants & redox signaling

authors： Leuner K,Schütt T,Kurz C,Eckert SH,Schiller C,Occhipinti A,Mai S,Jendrach M,Eckert GP,Kruse SE,Palmiter RD,Brandt U,Dröse S,Wittig I,Willem M,Haass C,Reichert AS,Müller WE

更新日期：2012-06-15 00:00:00

abstract：:Signal transduction via PI 3-kinases plays an important role in regulating the cellular processes of cell growth, survival, proliferation, and motility. The stimulated generation of reactive oxygen species is a necessary component of the signal transduction mechanisms by which many growth factors and cytokines activat...

journal_title：Antioxidants & redox signaling

authors： Leslie NR

更新日期：2006-09-01 00:00:00

abstract：: Aims: Human embryonic stem cell derived-cardiovascular progenitor cells (hESC-CVPCs) are a promising cell source for cardiac repair, while the underlying mechanisms need to be elucidated. We recently observed cardioprotective effects of human pluripotent stem cell (hPSC)-C...

journal_title：Antioxidants & redox signaling

authors： Wang J,Liu M,Wu Q,Li Q,Gao L,Jiang Y,Deng B,Huang W,Bi W,Chen Z,Chin YE,Paul C,Wang Y,Yang HT

更新日期：2019-08-10 00:00:00

abstract：AIMS:Monothiol glutaredoxins (1-C-Grxs) are small proteins linked to the cellular iron and redox metabolism. Trypanosoma brucei brucei, model organism for human African trypanosomiasis, expresses three 1-C-Grxs. 1-C-Grx1 is a highly abundant mitochondrial protein capable to bind an iron-sulfur cluster (ISC) in vitro us...

journal_title：Antioxidants & redox signaling

authors： Manta B,Pavan C,Sturlese M,Medeiros A,Crispo M,Berndt C,Krauth-Siegel RL,Bellanda M,Comini MA

更新日期：2013-09-01 00:00:00

abstract：:DJ-1 is a member of the large and functionally diverse DJ-1/PfpI superfamily and has homologs in nearly all organisms. Because of its connection to parkinsonism and cancer, human DJ-1 has been intensely studied for over a decade. The current view is that DJ-1 is a multifunctional oxidative stress response protein that...

journal_title：Antioxidants & redox signaling

authors： Wilson MA

更新日期：2011-07-01 00:00:00

abstract：:Chronic obstructive pulmonary disease (COPD) has recently been viewed as an inflammation-dependent systemic disease. Oxidative modifications in the pulmonary microenvironment can result in a number of functional changes in pulmonary tissue as well as in the blood. Studies have been carried out to detect whether oxidat...

journal_title：Antioxidants & redox signaling

authors： Minetti M,Leto TL,Malorni W

更新日期：2008-04-01 00:00:00

abstract：:Epithelial to mesenchymal transition (EMT) is a fundamental process, paradigmatic of the concept of cell plasticity, that leads epithelial cells to lose their polarization and specialized junctional structures, to undergo cytoskeleton reorganization, and to acquire morphological and functional features of mesenchymal-...

journal_title：Antioxidants & redox signaling

authors： Cannito S,Novo E,di Bonzo LV,Busletta C,Colombatto S,Parola M

更新日期：2010-06-15 00:00:00

abstract：:Aging of somatic cells can be defined as the gradual loss of the information embedded in the global and local properties of complex macromolecular networks. This loss of information may reflect the dynamic interplay between stochastic factors, such as the accumulation of unrepaired somatic damage, and gene-encoded pro...

journal_title：Antioxidants & redox signaling

authors： Suh Y,Vijg J

更新日期：2006-03-01 00:00:00

abstract：:15-Deoxy-Delta(12,14)-prostaglandin-J(2) (15d-PGJ(2)) is a cyclopentenone prostaglandin regarded as antiinflammatory mediator, which can act through peroxisome proliferator-activated receptor-gamma (PPARgamma) or through G protein-coupled surface receptors. It has been demonstrated that 15d-PGJ(2) potently increases t...

journal_title：Antioxidants & redox signaling

authors： Jozkowicz A,Was H,Taha H,Kotlinowski J,Mleczko K,Cisowski J,Weigel G,Dulak J

更新日期：2008-12-01 00:00:00

abstract：:The application of electronic structure methods to the prediction of geometries, spin densities, and hyperfine couplings for biologically relevant quinones and semiquinones is reviewed. It is demonstrated that hybrid-type density functional methods are particularly suitable for such studies. Hydrogen bonding to the se...

journal_title：Antioxidants & redox signaling

authors： O'Malley PJ

更新日期：2001-10-01 00:00:00

abstract：SIGNIFICANCE:A wealth of fluorescent reporters and imaging systems are now available to characterize dynamic physiological processes in living cells with high spatiotemporal resolution. The most reliable probes for quantitative measurements show shifts in their excitation or emission spectrum, rather than just a change...

journal_title：Antioxidants & redox signaling

authors： Fricker MD

更新日期：2016-05-01 00:00:00

abstract：AIMS:Once dismissed as an inert byproduct of nitric oxide (NO) auto-oxidation, nitrite (NO(2)(-)) is now accepted as an endocrine reservoir of NO that elicits biological responses in major organs. While it is known that tissue nitrite is derived from NO oxidation and the diet, little is known about how nitrite is metab...

journal_title：Antioxidants & redox signaling

authors： Curtis E,Hsu LL,Noguchi AC,Geary L,Shiva S

更新日期：2012-10-01 00:00:00