Simple biological systems for assessing the activity of superoxide dismutase mimics.

abstract：SIGNIFICANCE:Ionizing radiation is a vital component in the oncologist's arsenal for the treatment of cancer. Approximately 50% of all cancer patients will receive some form of radiation therapy as part of their treatment regimen. DNA is considered the major cellular target of ionizing radiation and can be damaged dire...

journal_title：Antioxidants & redox signaling

authors： Holley AK,Miao L,St Clair DK,St Clair WH

更新日期：2014-04-01 00:00:00

abstract：AIMS:Protein aggregation and oxidative stress are both key pathogenic processes in Parkinson's disease, although the mechanism by which misfolded proteins induce oxidative stress and neuronal death remains unknown. In this study, we describe how aggregation of alpha-synuclein (α-S) from its monomeric form to its solubl...

journal_title：Antioxidants & redox signaling

authors： Deas E,Cremades N,Angelova PR,Ludtmann MH,Yao Z,Chen S,Horrocks MH,Banushi B,Little D,Devine MJ,Gissen P,Klenerman D,Dobson CM,Wood NW,Gandhi S,Abramov AY

更新日期：2016-03-01 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：:Lipoic acid (LA) and its reduced product dihydrolipoic acid (DHLA) are potent antioxidants with capacity to scavenge reactive oxygen species (ROS) and recycle endogenous antioxidants. LA may increase cellular glutathione (GSH), an antioxidant lacking in the lung's epithelial lining fluid in lung disorders such as idio...

journal_title：Antioxidants & redox signaling

authors： O'Neill HC,Rancourt RC,White CW

更新日期：2008-02-01 00:00:00

abstract：:Since the initial report of nitric oxide (NO) activity, enormous progress has been made over the last two decades in the field of NO research. Whereas most physiological responses triggered by moderate concentrations of NO are mediated by soluble guanylate cyclase activation and the subsequent production of cyclic GMP...

journal_title：Antioxidants & redox signaling

authors： Donnini S,Ziche M

更新日期：2002-10-01 00:00:00

abstract：:It is well accepted that atherosclerosis occurs in a site-specific manner especially at branch points where disturbed blood flow (d-flow) predisposes to the development of plaques. Investigations both in vivo and in vitro have shown that d-flow is pro-atherogenic by promoting oxidative and inflammatory states in the a...

journal_title：Antioxidants & redox signaling

authors： Nigro P,Abe J,Berk BC

更新日期：2011-09-01 00:00:00

abstract：SIGNIFICANCE:Lysosomes are organelles in which cellular degradation occurs in a controlled manner, separated from other cellular components. As several pathways terminate in the lysosome, lysosomal dysfunction has a profound impact on cell homeostasis, resulting in manifold pathological situations, including infectious...

journal_title：Antioxidants & redox signaling

authors： Boya P

更新日期：2012-09-01 00:00:00

abstract：AIMS:The usefulness of estrogen replacement therapy (ERT) in preventing oxidative stress associated with menopause is controversial. We aimed to study if there is a critical time window for effective treatment of the effects of ovariectomy with estrogens at the molecular, metabolic, and cellular level. RESULTS:Our mai...

journal_title：Antioxidants & redox signaling

authors： López-Grueso R,Gambini J,Abdelaziz KM,Monleón D,Díaz A,El Alami M,Bonet-Costa V,Borrás C,Viña J

更新日期：2014-01-10 00:00:00

abstract：AIMS:Recent studies have revealed that autophagy is induced under various disease conditions; however, the role of autophagy in pathological states is controversial. NAD(P)H:quinone oxidoreductase 1 (NQO1) is a highly inducible cytoprotective gene that regulates reactive oxygen species (ROS) generation. In this study,...

journal_title：Antioxidants & redox signaling

authors： Kim TW,Kim YJ,Kim HT,Park SR,Lee MY,Park YD,Lee CH,Jung JY

更新日期：2016-05-20 00:00:00

abstract：:Mice deficient in monoamine oxidase A (MAO A) have increased brain levels of serotonin (5-HT) and norepinephrine and show enhanced aggression. We used MAO A knock-out (KO) mice as a model to study the effect of ginkgo biloba (EGb) on aggression. When EGb was administered to MAO A KO mice, their aggressive behavior in ...

journal_title：Antioxidants & redox signaling

authors： Shih JC,Chen K,Ridd MJ,Seif I

更新日期：2000-10-01 00:00:00

abstract：:Cells oxidize molecules to generate energy and to make the materials to build and support the structures and functions needed for life. However, unwanted oxidations can damage these same structures and impair function. Lipids (the lipids in membranes and lipoproteins) are targets of unwanted oxidations. The primary me...

journal_title：Antioxidants & redox signaling

authors： Venkataraman S,Schafer FQ,Buettner GR

更新日期：2004-06-01 00:00:00

abstract：:Anthracyclines are widely used in anticancer protocols, but can induce cardiotoxicity by mechanisms that mainly involve oxidative damage and mitochondrial dysfunction. Radiotherapy (RT) can also impair cardiac function by promoting myocardial fibrosis, microvascular damage, and decreased density of myocardial capillar...

journal_title：Antioxidants & redox signaling

authors： Mercurio V,Cuomo A,Della Pepa R,Ciervo D,Cella L,Pirozzi F,Parrella P,Campi G,Franco R,Varricchi G,Abete P,Marone G,Petretta M,Bonaduce D,Pacelli R,Picardi M,Tocchetti CG

更新日期：2019-11-20 00:00:00

abstract：:Although much is known about how TNF-alpha induces apoptosis in the presence of inhibitors of protein synthesis, little is known about how it induces apoptosis without these inhibitors. In this report we investigated temporal sequence of events induced by TNF-alpha in the absence of protein synthesis. Regardless of wh...

journal_title：Antioxidants & redox signaling

authors： Shakibaei M,Sung B,Sethi G,Aggarwal BB

更新日期：2010-09-15 00:00:00

abstract：:Transforming growth factor-betas (TGF-beta) regulate a wide variety of cellular functions in normal development and are involved in both tissue homeostasis and disease pathogenesis. The regulation of the TGF-beta family of growth factors is unique because they are targeted to the extracellular matrix in a biologically...

journal_title：Antioxidants & redox signaling

authors： Koli K,Myllärniemi M,Keski-Oja J,Kinnula VL

更新日期：2008-02-01 00:00:00

abstract：: Significance: Atherosclerotic cardiovascular diseases (ACVDs) continue to be a primary cause of mortality worldwide in adults aged 35-70 years, occurring more often in countries with lower economic development, and they constitute an ever-growing global burden that has a c...

journal_title：Antioxidants & redox signaling

authors： Gianazza E,Brioschi M,Martinez Fernandez A,Casalnuovo F,Altomare A,Aldini G,Banfi C

更新日期：2021-01-01 00:00:00

abstract：:Hemoglobin is considered a potentially toxic molecule when released from erythrocytes during hemolysis, inflammation, or tissue injury. The mechanisms of toxicity involve reduced nitric oxide bioavailability and oxidative processes both occurring at the heme prosthetic groups. When the endogenous oxidant H(2)O(2) reac...

journal_title：Antioxidants & redox signaling

authors： Widmer CC,Pereira CP,Gehrig P,Vallelian F,Schoedon G,Buehler PW,Schaer DJ

更新日期：2010-02-01 00:00:00

abstract：SIGNIFICANCE:In bacteria, transcriptional responses to reactive oxygen and nitrogen species (ROS and RNS, respectively) are typically coordinated by regulatory proteins that employ metal centers or reactive thiols to detect the presence of those species. This review is focused on the structure, function and mechanism o...

journal_title：Antioxidants & redox signaling

authors： Spiro S,D'Autréaux B

更新日期：2012-11-01 00:00:00

abstract：:The mitogen-activated protein kinases (MAPKs) play a central role in mediating the activation and transcriptional responses of diverse cells, including glia. c-Jun N-terminal kinase (JNK), a member of the MAPK family, is activated by a variety of stress and proinflammatory signals and in turn phosphorylates its downst...

journal_title：Antioxidants & redox signaling

authors： Pawate S,Bhat NR

更新日期：2006-05-01 00:00:00

abstract：:The small GTPase rac1 controls actin redistribution to membrane ruffles in fibroblasts and other cell types, as well as the activation of the NADPH oxidase in phagocytes. We explored the possibility that these two processes could be related. We used a replication-deficient adenoviral vector to overexpress the constitu...

journal_title：Antioxidants & redox signaling

authors： Moldovan L,Irani K,Moldovan NI,Finkel T,Goldschmidt-Clermont PJ

更新日期：1999-04-01 00:00:00

abstract：:Hydrogen sulfide (H(2)S) is a gasotransmitter with multifaceted physiological functions, including the regulation of glucose metabolism. Methylglyoxal (MG) is an intermediate of glucose metabolism and plays an important role in the pathogenesis of insulin resistance syndromes. In the present study, we investigated the...

journal_title：Antioxidants & redox signaling

authors： Chang T,Untereiner A,Liu J,Wu L

更新日期：2010-05-01 00:00:00

abstract：:Ischemia followed by reperfusion is the primary cause of tissue injury and infarction during heart attack and stroke. The initiating stimulus is believed to involve reactive oxygen species that are produced during reperfusion when electron transport resumes in the mitochondria after suppression by ischemia. Programmed...

journal_title：Antioxidants & redox signaling

authors： Webster KA,Graham RM,Thompson JW,Spiga MG,Frazier DP,Wilson A,Bishopric NH

更新日期：2006-09-01 00:00:00

abstract：:This work rests on our previous report (J Cereb Blood Flow Metab 30: 1275-1287, 2010) recognizing that glutamate (Glu) oxaloacetate transaminase (GOT) is induced when brain tissue hypoxia is corrected during acute ischemic stroke (AIS). GOT can metabolize Glu into tricarboxylic acid cycle intermediates and may therefo...

journal_title：Antioxidants & redox signaling

authors： Rink C,Gnyawali S,Peterson L,Khanna S

更新日期：2011-05-15 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：SIGNIFICANCE:Selenoprotein K (SelK) is an endoplasmic reticulum (ER) membrane protein, and its expression is sensitive to dietary selenium levels. A recently described role for SelK as a cofactor in catalyzing protein palmitoylation reactions provides an important link between low dietary selenium intake and suboptimal...

journal_title：Antioxidants & redox signaling

authors： Fredericks GJ,Hoffmann PR

更新日期：2015-10-01 00:00:00

abstract：AIMS:Recent studies have shown that cigarette smoke (CS)-induced oxidative stress impairs autophagy, resulting in aggresome-formation that correlates with severity of chronic obstructive pulmonary disease (COPD)-emphysema, although the specific step in autophagy pathway that is impaired is unknown. Hence, in this study...

journal_title：Antioxidants & redox signaling

authors： Bodas M,Patel N,Silverberg D,Walworth K,Vij N

更新日期：2017-07-20 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：SIGNIFICANCE:Currently, calcific aortic valve disease (CAVD) is only treatable through surgical intervention because the specific mechanisms leading to the disease remain unclear. In this review, we explore the forces and structure of the valve, as well as the mechanosensors and downstream signaling in the valve endoth...

journal_title：Antioxidants & redox signaling

authors： Fernández Esmerats J,Heath J,Jo H

更新日期：2016-09-01 00:00:00

abstract：SIGNIFICANCE:The heme-enzyme myeloperoxidase (MPO) is one of the major neutrophil bactericidal proteins and is stored in large amounts inside azurophilic granules of neutrophils. Upon cell activation, MPO is released and extracellular MPO has been detected in a wide range of acute and chronic inflammatory conditions. R...

journal_title：Antioxidants & redox signaling

authors： Nussbaum C,Klinke A,Adam M,Baldus S,Sperandio M

更新日期：2013-02-20 00:00:00

abstract：:The endothelium is essential for the maintenance of vascular homeostasis. Central to this role is the production of endothelium-derived nitric oxide (EDNO), synthesized by the endothelial isoform of nitric oxide synthase (eNOS). Endothelial dysfunction, manifested as impaired EDNO bioactivity, is an important early ev...

journal_title：Antioxidants & redox signaling

authors： Thomas SR,Witting PK,Drummond GR

更新日期：2008-10-01 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