Role of thiocyanate, bromide and hypobromous acid in hydrogen peroxide-induced apoptosis.

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：INTRODUCTION:Nuclear factor, erythroid 2 like 2 (NFE2L2) is an important transcription factor that protects cells from oxidative stress (OS). NFE2L2 deficiency in placentas is associated with pregnancy complications. We have demonstrated that elevated OS existed in placental shares of the smaller fetus in selective int...

journal_title：Free radical research

authors： Wu J,He Z,Gao Y,Zhang G,Huang X,Fang Q

更新日期：2017-04-01 00:00:00

abstract：:Glutathione plays a central role in the maintenance of cellular antioxidant defense. The alterations in the glutathione and associated recyclic enzymes caused by both exercise training and ethanol are well documented; however, their interactive effects with age are not well understood. Therefore, the influence of agei...

journal_title：Free radical research

authors： Kakarla P,Kesireddy S,Christiaan L

更新日期：2008-05-01 00:00:00

abstract：PURPOSE:Aspiration pneumonia is infection of the respiratory tract resulting from accumulation of sputum in the larynx. N-acetyl-L-cysteine (NAC) might regulate mucin (MUC) expression and activate inherent anti-infective system in bronchiolar epithelial cells after cellular uptake, and therefore, serve as the preventat...

journal_title：Free radical research

authors： Koizumi C,Yamada M,Ishizaki K,Ueda T,Sakurai K

更新日期：2015-01-01 00:00:00

abstract：:Tropolones, the naturally occurring compounds responsible for the durability of heartwood of several cupressaceous trees, have been shown to possess both metal chelating and antioxidant properties. However, little is known about the ability of tropolone and its derivatives to protect cultured cells from oxidative stre...

journal_title：Free radical research

authors： Doulias PT,Nousis L,Zhu BZ,Frei B,Galaris D

更新日期：2005-02-01 00:00:00

abstract：:In a prospective, double-blind, randomised placebo-controlled study, we tested the hypothesis that a new formulation consisting of wheat gliadin chemically combined with a vegetal (thus orally effective) preparation of superoxide dismutase (SOD) allows to prevent hyperbaric oxygen (HBO)-induced oxidative cell stress. ...

journal_title：Free radical research

authors： Muth CM,Glenz Y,Klaus M,Radermacher P,Speit G,Leverve X

更新日期：2004-09-01 00:00:00

abstract：:Dietary flavonoids, present in different amount in foods, are associated with the prevention of hypertension, but little is known about the interactions between them. The aim of this study was to explore the effect of quercetin (Q), catechin (C) and the mixture, on Angiotensin II (AngII)-induced redox-dependent signal...

journal_title：Free radical research

authors： Redondo A,Estrella N,Lorenzo AG,Cruzado M,Castro C

更新日期：2012-05-01 00:00:00

abstract：:The reduction of ferrate(VI) to ferrate(V) by superoxide ions was studied over the pH range 2.6-13.0 using the premix pulse radiolysis technique. The pH dependence indicates that only the unstable protonated forms of ferrate, H2FeO4 (pKa3.5) and HFeO4- (pKa7.3) are reactive, k(HFeO4(-) + O2) = (1.7 +/- 0.2) x 10(7) M-...

journal_title：Free radical research

authors： Rush JD,Zhao Z,Bielski BH

更新日期：1996-03-01 00:00:00

abstract：:Lipid peroxidation (LPO) product accumulation in human tissues is a major cause of tissular and cellular dysfunction that plays a major role in ageing and most age-related and oxidative stress-related diseases. The current evidence for the implication of LPO in pathological processes is discussed in this review. New d...

journal_title：Free radical research

authors： Negre-Salvayre A,Auge N,Ayala V,Basaga H,Boada J,Brenke R,Chapple S,Cohen G,Feher J,Grune T,Lengyel G,Mann GE,Pamplona R,Poli G,Portero-Otin M,Riahi Y,Salvayre R,Sasson S,Serrano J,Shamni O,Siems W,Siow RC,Wis

更新日期：2010-10-01 00:00:00

abstract：:We evaluated whether nutritional vitamin A deficiency generates oxidative stress and inflammation in aorta. Wistar male rats (21 days old) were given free access to a control (8 mg retinol as retinyl palmitate/kg) or a vitamin A- deficient diet for three months. One group of deficient animals was fed with the control ...

journal_title：Free radical research

authors： Gatica L,Alvarez S,Gomez N,Zago MP,Oteiza P,Oliveros L,Gimenez MS

更新日期：2005-06-01 00:00:00

abstract：:We investigated the effect of curcumin on liver injury in diabetic rats induced by streptozotocin (STZ) through modulation of endoplasmic reticulum stress (ERS) and unfolded protein response (UPR). Experimental diabetes was induced by a single intraperitoneal injection of STZ (55 mg/kg), and curcumin was given at 100 ...

journal_title：Free radical research

authors： Afrin R,Arumugam S,Soetikno V,Thandavarayan RA,Pitchaimani V,Karuppagounder V,Sreedhar R,Harima M,Suzuki H,Miyashita S,Nomoto M,Suzuki K,Watanabe K

更新日期：2015-03-01 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：:Human serum samples were evaluated for oxidative stress with the d-ROMs test. The ceruloplasmin (CP) and copper contents of the samples was independently measured and compared to those calculated on the basis of the d-ROMs test results for pure CP solutions. The d-ROMs readings did not show any significant correlation...

journal_title：Free radical research

authors： Colombini F,Carratelli M,Alberti A

更新日期：2016-01-01 00:00:00

abstract：:Intake of antioxidants from the diet has been recognized to have beneficial health effects, but the potential benefit of taking antioxidants such as β-carotene as supplements is controversial. The aim of the present study was to evaluate the potential protective effects of a physiologically relevant concentration (2 μ...

journal_title：Free radical research

authors： Åsgård R,Hellman B

更新日期：2013-09-01 00:00:00

abstract：:The objective of this study was to elucidate the impact of physical activity during the growth period as well as on oxidative stress and antioxidative potential in adulthood. The experimental animals used were four-week old male Wistar rats, which were randomly divided into three groups. The exercise loads were as fol...

journal_title：Free radical research

authors： Lee S,Hashimoto J,Suzuki T,Satoh A

更新日期：2017-02-01 00:00:00

abstract：:The preventive effect of 20(S)-ginsenoside Rg(3) (20(S)-Rg(3)) on lipopolysaccharide (LPS)-induced oxidative tissue injury in rats was investigated in this study. The elevated serum nitrite/nitrate, glutamic oxaloacetic transaminase, glutamic pyruvic transaminase and creatinine levels in LPS-treated control rats were ...

journal_title：Free radical research

authors： Kang KS,Kim HY,Yamabe N,Park JH,Yokozawa T

更新日期：2007-10-01 00:00:00

abstract：:The NADPH oxidase (NOX) family of enzymes oxidase catalyzes the transport of electrons from NADPH to molecular oxygen and generates O(2)(•-), which is rapidly converted into H(2)O(2). We aimed to identify in hepatocytes the protein NOX complex responsible for H(2)O(2) synthesis after α(1)-adrenoceptor (α(1)-AR) stimul...

journal_title：Free radical research

authors： Diaz-Cruz A,Vilchis-Landeros MM,Guinzberg R,Villalobos-Molina R,Piña E

更新日期：2011-11-01 00:00:00

abstract：:The oxidative stress possibly resulting from an inherited respiratory chain (RC) deficiency was investigated in a series of human cultured skin fibroblasts presenting either ubiquinone depletion or isolated defect of the various RC complexes. Taken as an index for superoxide overproduction, a significant induction of ...

journal_title：Free radical research

authors： Geromel V,Rötig A,Munnich A,Rustin P

更新日期：2002-04-01 00:00:00

abstract：:We investigated the antioxidant and radical scavenging activity of polyphenolic isochromans. To assess the relation between structure and scavenging properties the natural occurring 1-(3'-methoxy-4'-hydroxy)phenyl-6,7-dihydroxy-isochroman (ISO-3, three OH groups) was compared with three newly synthesized derivatives t...

journal_title：Free radical research

authors： Lorenz P,Zeh M,Martens-Lobenhoffer J,Schmidt H,Wolf G,Horn TF

更新日期：2005-05-01 00:00:00

abstract：:Oxidative stress is suggested as a potential mechanism in impaired foetal growth, smaller birth size and thus subsequently adult chronic diseases. We have investigated associations between oxidative stress in pregnancy and birth anthropometry (weight, height, head and chest circumferences). In the MINIMat-trial (Mater...

journal_title：Free radical research

authors： Lindström E,Persson LÅ,Raqib R,El Arifeen S,Basu S,Ekström EC

更新日期：2012-03-01 00:00:00

abstract：:Because hepatic fibrosis usually involves more than one pathological process, combination therapy with modalities that target aberrant signaling cascade in activated hepatic stellate cells (HSCs) represents an alternative strategy. This study evaluates the hypothesis that astragaloside IV (AS-IV) and ferulic acid (FA)...

journal_title：Free radical research

authors： Dong H,Guo H,Liang Y,Wang X,Niu Y

更新日期：2017-02-01 00:00:00

abstract：:The beneficial effects of hyperoxia have been noted in treatment of several diseases and pathological states. However, the excessive production of ROS under hyperoxic conditions can directly damage cellular macromolecules if the imbalance in antioxidant status exists. Cytochrome P450 (Cyp) 4a14 has an important role i...

journal_title：Free radical research

authors： Sobocanec S,Balog T,Sarić A,Sverko V,Zarković N,Gasparović AC,Zarković K,Waeg G,Macak-Safranko Z,Kusić B,Marotti T

更新日期：2010-02-01 00:00:00

abstract：:Novel silylated triarylmethyl (TAM) radicals based on TAM core CT-03 and their electron paramagnetic resonance (EPR) spectra are evaluated as a function of oxygen concentration. Combination of peak-to-peak linewidth of the EPR signal and electrochemical determination allows designing a method for oxygen quantification...

journal_title：Free radical research

authors： Boutier-Pischon A,Auger F,Noël JM,Almario A,Frapart YM

更新日期：2015-03-01 00:00:00

abstract：:Glycation of proteins or other biomolecules and their further long-term degradation result in the formation of advanced glycation end products, AGEs. AGEs and other ligands interact with their receptors, RAGEs, localized to a variety of tissues, but mainly in endothelium and vascular wall cells. This interaction trigg...

journal_title：Free radical research

authors： Guedes-Martins L,Matos L,Soares A,Silva E,Almeida H

更新日期：2013-08-01 00:00:00

abstract：:The brain is highly susceptible to oxidative stress due to its high metabolic demand. Increased oxidative stress and depletion of glutathione (GSH) are observed with aging and many neurological diseases. Exercise training has the potential to reduce oxidative stress in the brain. In this study, nine healthy sedentary ...

journal_title：Free radical research

authors： Rai S,Chowdhury A,Reniers RLEP,Wood SJ,Lucas SJE,Aldred S

更新日期：2018-01-01 00:00:00

abstract：PURPOSE:Ionizing radiation generates free radicals and reactive oxygen species that induce DNA damage in vivo. This study aimed to determine the relationship between serum reactive oxygen metabolite (ROM) levels and skin reaction after irradiation in a rat model. METHODS AND MATERIALS:I. Female Wistar rats were classi...

journal_title：Free radical research

authors： Nomiya T,Kaneko T,Goto J,Harada M,Akamatsu H,Hagiwara Y,Ota I,Nemoto K

更新日期：2014-05-01 00:00:00

abstract：:The aim of this study was to test the hypothesis that pulmonary inflammation and emphysema induced by cadmium (Cd) inhalation are associated with pulmonary oxidative stress. Two groups of Sprague Dawley rats were used: one vehicle-exposed group undergoing inhalation of NaCl (0.9%, n = 24) and one Cd-exposed group unde...

journal_title：Free radical research

authors： Kirschvink N,Martin N,Fievez L,Smith N,Marlin D,Gustin P

更新日期：2006-03-01 00:00:00

abstract：:Coenzyme Q10 (CoQ10) is an essential cofactor of the electron transport gene as well as an important antioxidant, which is particularly effective within mitochondria. A number of prior studies have shown that it can exert efficacy in treating patients with known mitochondrial disorders. We investigated the potential u...

journal_title：Free radical research

authors： Beal MF

更新日期：2002-04-01 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：: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