Prophylactic role of taurine on arsenic mediated oxidative renal dysfunction via MAPKs/ NF-kappaB and mitochondria dependent pathways.

abstract：:The toxic effect of copper was evaluated in sunflower plants by means of root elongation, lipid peroxidation and antioxidative enzyme activities. Plants were grown under controlled environmental conditions in hydroponic culture for two weeks and exposed to different copper concentrations for an additional week. Determ...

journal_title：Free radical research

authors： García A,Baquedano FJ,Navarro P,Castillo FJ

更新日期：1999-12-01 00:00:00

abstract：:The effects of various free radicals derived from 6-formylpterin (6-FP), alpha-phenyl-tert-butyl nitrone (PBN) and 2,2'-azobis (2-amidinopropane) dihydrochloride (AAPH) combined with hyperthermia, on gene expression in similarly enhanced apoptosis of human lymphoma U937 cells were investigated using cDNA microarrays c...

journal_title：Free radical research

authors： Wada S,Tabuchi Y,Kondo T,Cui ZG,Zhao QL,Takasaki I,Salunga TL,Ogawa R,Arai T,Makino K,Furuta I

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND AND AIM:Previous studies have shown that preventive treatment with the antioxidant, ebselen, in experimental models of type 1 diabetic nephropathy resulted in an attenuation of structural and functional damage in the kidney. However, evidence for the effectiveness of ebselen in late-intervention studies is l...

journal_title：Free radical research

authors： Tan SM,Sharma A,Stefanovic N,de Haan JB

更新日期：2015-03-01 00:00:00

abstract：:It has been reported that haem oxygenase-1 (Hmox1) induction attenuates neointimal thickening. Here we further investigated the potential mechanisms regulating this important pathological process. We revealed that histone deacetylase 2 (HDAC2) was induced following Hmox1 induction under 1% oxygen treatment and this in...

journal_title：Free radical research

authors： Ni J,Yang W,Shen W,Zhang R

更新日期：2018-10-01 00:00:00

abstract：:Adenosine levels are increased in stress and act as anti-oxidant and anti-inflammatory mediators by binding to 4 G-protein-coupled receptors. Using genetically modified mice lacking A(1) and A(3) adenosine receptors, treated with ip buthionine-[S,R]-sulphoximine injections to inhibit gamma-glutamylcysteine ligase, the...

journal_title：Free radical research

authors： Conte C,Grottelli S,Prudenzi E,Bellezza I,Fredholm BB,Minelli A

更新日期：2009-03-01 00:00:00

abstract：:Tetrahydrobiopterin (BH4) is a ubiquitous pteridine metabolite that serves as a NOS cofactor. Recently, we showed that BH4 efficiently inhibits superoxide generation from the heme group at the oxygenase domain of eNOS. This role indicates that BH4 acts as a redox switch in the catalytic mechanism of the enzyme, which ...

journal_title：Free radical research

authors： Vásquez-Vivar J,Kalyanaraman B,Martásek P

更新日期：2003-02-01 00:00:00

abstract：:The effects of inorganic phosphate (Pi), the main intracellular membrane permeable anion capable of altering mitochondrial pH gradients (Delta pH), were measured on mitochondrial H2O2 release. As expected, Pi decreased Delta pH and increased the electric membrane potential (Delta Psi). Mitochondrial H2O2 release was s...

journal_title：Free radical research

authors： Oliveira GA,Kowaltowski AJ

更新日期：2004-10-01 00:00:00

abstract：:The aim of this study was to investigate the effect of HDL oxidation on PON1 paraoxonase activity. Also, we were interested in investigating the mechanism by which PON1 could be inactivated and the correlation between its enzymatic activity and the antioxidant properties of HDL. Three different oxidation systems were ...

journal_title：Free radical research

authors： Jaouad L,Milochevitch C,Khalil A

更新日期：2003-01-01 00:00:00

abstract：:Amphotericin B has been the gold standard for the treatment of invasive mycosis for many years. Its resistance mechanisms are reported to be mainly related to the decrease of ergosterol content or the changes of cell wall. Previous study has shown that Saccharomyces cerevisiae strain lack of BSC2 was sensitive signifi...

journal_title：Free radical research

authors： Kong Y,Wang Q,Cao F,Zhang X,Fang Z,Shi P,Wang H,Shen Y,Huang Z

更新日期：2020-04-01 00:00:00

abstract：:Gamma-glutamyltransferase (GGT) plays a central role in the homeostasis of the antioxidant glutathione (GSH). The expression of GGT has been shown to be upregulated after oxidative stress, but the signalling pathways implicated remain poorly characterized. The results here show that acute exposure of CC531 cells to ox...

journal_title：Free radical research

authors： Pandur S,Pankiv S,Johannessen M,Moens U,Huseby NE

更新日期：2007-12-01 00:00:00

abstract：:Dihydrocalcein (H2-calcein) is recommended as a superior probe for intracellular radical (ROS) detection as different to dichlorodihydrofluorescein (H2-DCF), its oxidation product calcein is thought not to leak out of cells. We determined whether H2-calcein is a useful tool to measure ROS in vascular smooth muscle cel...

journal_title：Free radical research

authors： Keller A,Mohamed A,Dröse S,Brandt U,Fleming I,Brandes RP

更新日期：2004-12-01 00:00:00

abstract：:We have previously reported that H2O2-induced apoptosis in HL-60 human leukemia cells takes place in the presence of chloride, requires myeloperoxidase (MPO), and occurs through oxidative reactions involving hypochlorous acid and chloramines. We now report that when chloride is replaced by the pseudohalide thiocyanate...

journal_title：Free radical research

authors： Wagner BA,Reszka KJ,McCormick ML,Britigan BE,Evig CB,Burns CP

更新日期：2004-02-01 00:00:00

abstract：:Thioredoxin-1 (TRX) is a redox-active protein with anti-inflammatory effects. This study investigated the optimal delivery method and the mechanisms of recombinant human TRX (rhTRX) to suppress neutrophil recruitment in a rat bleomycin (BLM)-induced sustained acute lung injury model. In male Wister rats intratracheall...

journal_title：Free radical research

authors： Nakamura T,Hoshino Y,Yamada A,Teratani A,Furukawa S,Okuyama H,Ueda S,Wada H,Yodoi J,Nakamura H

更新日期：2007-10-01 00:00:00

abstract：:An iodoacetamide azaadamantyl spin label was studied in fluid solution and in 9:1 trehalose:sucrose glass. In 9:1 toluene:CH2Cl2 solution at 293 K, the isotropic nitrogen hyperfine coupling is 19.2 G, T1 is 0.37 µs and T2 is 0.30-0.35 µs. Between about 80 and 150 K 1/Tm in 9:1 trehalose:sucrose is approximately indepe...

journal_title：Free radical research

authors： Eaton SS,Rajca A,Yang Z,Eaton GR

更新日期：2018-03-01 00:00:00

abstract：:Pyruvate is a well-known scavenger of hydrogen peroxide (H2O2). In addition, it scavenges superoxide radical (O2.-). However, evidence on its intracellular antioxidant function is meager at present. Hence, we have examined the effectiveness of this metabolite and its ethyl ester against intracellular oxidative damage ...

journal_title：Free radical research

authors： Varma SD,Devamanoharan PS,Ali AH

更新日期：1998-02-01 00:00:00

abstract：:A growing body of experimental evidence suggests that the oxidative neurotoxicity of hemoglobin A may contribute to neuronal loss after CNS hemorrhage. Several hemoglobin variants, including hemoglobin S, are more potent oxidants in cell-free systems. However, despite the increased incidence of hemorrhagic stroke asso...

journal_title：Free radical research

authors： Vanderveldt GM,Regan RF

更新日期：2004-05-01 00:00:00

abstract：:The markers 3-nitrotyrosine and 3-chlorotyrosine are measured as surrogates for reactive nitrogen species and hypochlorous acid respectively, which are both elevated in inflamed human tissues. Previous studies reported a loss of 3-nitrotyrosine when exposed to hypochlorous acid, suggesting that observations of 3-nitro...

journal_title：Free radical research

authors： Curtis MP,Neidigh JW

更新日期：2014-11-01 00:00:00

abstract：:Phospholipids (PLs) are important biomolecules that not only constitute structural building blocks and scaffolds of cell and organelle membranes but also play a vital role in cell biochemistry and physiology. Moreover, dietary exogenous PLs are characterised by high nutritional value and other beneficial health effect...

journal_title：Free radical research

authors： Parchem K,Sasson S,Ferreri C,Bartoszek A

更新日期：2019-01-01 00:00:00

abstract：:The purpose of this double clinical study was (1) to evaluate the effect of one single intake (300 ml) of red wine (RW) on the plasma antioxidant capacity (pAOC) and plasma phenolics over the 24-h time period following the intake, and (2) to compare the long-term effects of daily intakes (250 ml/d) of RW, white wine (...

journal_title：Free radical research

authors： Cartron E,Fouret G,Carbonneau MA,Lauret C,Michel F,Monnier L,Descomps B,Léger CL

更新日期：2003-09-01 00:00:00

abstract：:Reactive oxygen species (ROS) are involved in the mechanism of photoaging and carcinogenesis. Skin is endowed with antioxidant enzymes including superoxide dismutases (SOD): cytosolic copper zinc SOD and mitochondrial manganese SOD. The aim of our study was to estimate the protective effect of manganese against oxidat...

journal_title：Free radical research

authors： Parat MO,Richard MJ,Leccia MT,Amblard P,Favier A,Beani JC

更新日期：1995-10-01 00:00:00

abstract：:In order to elucidate the oxidative damage in rat brain caused by oxidative stress, regional changes in the levels of lipid peroxidation products and antioxidative defense systems in cerebral cortex and hippocampus, and in their synapses, which modulate learning and memory functions in the brain, were studied. When ra...

journal_title：Free radical research

authors： Onodera K,Omoi NO,Fukui K,Hayasaka T,Shinkai T,Suzuki S,Abe K,Urano S

更新日期：2003-04-01 00:00:00

abstract：:The cytologically active secondary lipid peroxidation products, malondialdehyde (MDA) and 4-hydroxy-2-nonenal (HNE) have been detected as their 2,4-dinitrophenylhydrazone (DNP) derivatives in plant tissue cultures using LC-MS. This paper reports, for the first time, the use of LC-MS methodology to definitively identif...

journal_title：Free radical research

authors： Deighton N,Magill WJ,Bremner DH,Benson EE

更新日期：1997-09-01 00:00:00

abstract：:Oxidative stress has been consistently linked to ageing-related neurodegenerative diseases. Neurodegenerative diseases are characterized by progressive dysfunction and death of neurons. Oxidative stress is associated with dysfunction of the mitochondria and endoplasmic reticulum, inducing apoptosis and protein misfold...

journal_title：Free radical research

authors： Ghosh N,Ghosh R,Mandal SC

更新日期：2011-08-01 00:00:00

abstract：:Capacitation of spermatozoa is an essential procedure for fertilization. Capacitated spermatozoa have an increase in the intracellular cAMP and acrosome reaction (AR) occurs immediately. The effect of exogenous superoxide anion (O2-) on the level of intracellular cAMP and the percentages of both spontaneous AR and lys...

journal_title：Free radical research

authors： Zhang H,Zheng RL

更新日期：1996-04-01 00:00:00

abstract：:The classical functions of p53 protein are those related to its role on DNA damage, cell growth arrest, senescence and apoptosis. For this reason it is called 'the guardian of the genome' and is considered one of the most important players in the development of cancer. However, more recently it has been show that p53 ...

journal_title：Free radical research

authors： Borrás C,Gómez-Cabrera MC,Viña J

更新日期：2011-06-01 00:00:00

abstract：:Degenerative diseases such as cancer are induced by oxidative genetic damage. Antioxidants can scavenge reactive oxygen species, but to prevent disease, they must do so quickly, before the DNA bases are damaged. In the present study, a novel method was established for evaluating the potency of antioxidants employing 2...

journal_title：Free radical research

authors： Sakakibara H,Ashida H,Kanazawa K

更新日期：2002-03-01 00:00:00

abstract：:An increasing incidence of unresponsiveness to antimonials in Leishmaniasis has led to identification of plant-derived anti-leishmanial compounds like Artemisinin. Since iron-mediated generation of free radicals sustains the anti-malarial activity of Artemisinin, this study investigated whether similar mechanisms acco...

journal_title：Free radical research

authors： Sen R,Saha P,Sarkar A,Ganguly S,Chatterjee M

更新日期：2010-11-01 00:00:00

abstract：:The radiation-induced reactions of a water-soluble coumarin derivative, coumarin-3-carboxyl acid (C3CA), have been investigated in aqueous solutions by pulse radiolysis with a 35 MeV electron beam, final product analysis following (60)Co γ-irradiations and deterministic model simulations. Pulse radiolysis revealed tha...

journal_title：Free radical research

authors： Yamashita S,Baldacchino G,Maeyama T,Taguchi M,Muroya Y,Lin M,Kimura A,Murakami T,Katsumura Y

更新日期：2012-07-01 00:00:00

abstract：:This study evaluated the gender differences in response to intense exercise on lymphocyte hydrogen peroxide production, nitric oxide handling and mitochondrial superoxide dismutase (MnSOD) activity and gene expression. Fifteen males and nine females participated voluntarily in the study and performed a swimming sessio...

journal_title：Free radical research

authors： Sureda A,Ferrer MD,Tauler P,Tur JA,Pons A

更新日期：2008-04-01 00:00:00

abstract：:Hydroxyl and 1-hydroxyethyl radical adducts of 5,5-dimethylpyrroline N-oxide (DMPO) were prepared by photolysis, and mechanisms for loss of their EPR signals in rat liver microsomal suspensions were evaluated. Rates of NADPH-dependent EPR signal loss were more rapid in phosphate buffer than in Tris buffer. Addition of...

journal_title：Free radical research

authors： Reinke LA,Moore DR,McCay PB

更新日期：1996-12-01 00:00:00