Initiation of a superoxide-dependent chain oxidation of lactate dehydrogenase-bound NADH by oxidants of low and high reactivity.

abstract：:Subjecting selected peptides to in vitro analyses covering their ability to interfere with the lipid oxidation chain reaction as well as to protect proteins from direct and indirect oxidation has provided the basis for a more detailed understanding of peptide-mediated protection in biological systems. The efficiency o...

journal_title：Free radical research

authors： Jongberg S,Carlsen CU,Skibsted LH

更新日期：2009-10-01 00:00:00

abstract：:To define the molecular mechanism(s) of carvedilol inhibition of lipid peroxidation we have utilized model systems that allow us to study the different reactions involved in this complex process. Carvedilol inhibits the peroxidation of sonicated phosphatidylcholine liposomes triggered by FeCl2 addition whereas atenolo...

journal_title：Free radical research

authors： Tadolini B,Franconi F

更新日期：1998-11-01 00:00:00

abstract：:C-phycocyanins, major biliproteins of blue green algae (cyanobacteria), widely used as colourants in food and cosmetics are known for their antioxidant as well as therapeutic potential. Recent claims indicating phycobiliproteins exert stronger photodynamic action on tumor cells than clinically approved hematoporphyrin...

journal_title：Free radical research

authors： Paul BT,Patel A,Selvam GS,Mishra S,Ghosh PK,Murugesan R

更新日期：2006-08-01 00:00:00

abstract：:The ability of a range of dietary flavonoids to inhibit low-density lipoprotein (LDL) oxidation in vitro was tested using a number of different methods to assess oxidative damage to LDL. Overall quercetin was the most effective inhibitor of oxidative damage to LDL in vitro. On this basis, a diet enriched with onions a...

journal_title：Free radical research

authors： O'Reilly JD,Sanders TA,Wiseman H

更新日期：2000-10-01 00:00:00

abstract：:α-Tocopherol (a form of vitamin E) is a fat-soluble vitamin that can prevent lipid peroxidation of cell membranes. This antioxidant activity of α-tocopherol can help to prevent cardiovascular disease, atherosclerosis and cancer. We investigated the α-tocopherol level and the expression of α-tocopherol transfer protein...

journal_title：Free radical research

authors： Misaki K,Takitani K,Ogihara T,Inoue A,Kawakami C,Kuno T,Kawamura N,Miyake M,Nakagawa T,Tamai H

更新日期：2003-01-01 00:00:00

abstract：:Oxidative DNA damage pathogenically links to some major diseases. This study aimed to comprehensively assess the association between serum total cholesterol (TC) and oxidative DNA damage based on propensity score matching (PSM) method. A total of 407 participants chronically exposed to arsenic via drinking water from ...

journal_title：Free radical research

authors： Wei YP,Jia CN,Lan Y,Hou XQ,Zuo JJ,Cui H,Guan XJ,Wang Y,Mao GY

更新日期：2019-04-01 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：:Over the last decade, a dual character of cell response to oxidative stress, eustress versus distress, has become increasingly recognized. A growing body of evidence indicates that under physiological conditions, low concentrations of reactive oxygen and nitrogen species (RONS) maintained by the activity of endogenous...

journal_title：Free radical research

authors： Moldogazieva NT,Mokhosoev IM,Feldman NB,Lutsenko SV

更新日期：2018-05-01 00:00:00

abstract：:We describe an altered membrane band 3 protein-mediated anion transport in erythrocytes exposed to peroxynitrite, and relate the loss of anion transport to cell damage and to band 3 oxidative modifications. We found that peroxynitrite down-regulate anion transport in a dose dependent relation (100-300 micromoles/l). H...

journal_title：Free radical research

authors： Celedón G,González G,Pino J,Lissi EA

更新日期：2007-03-01 00:00:00

abstract：:Ceruloplasmin (CP) is a blue copper glycoprotein with multiple physiological functions including ferroxidase and oxidase activities. CP is also an important serum oxygen free radical (OFR) scavenger and antioxidant, exerting cardioprotective and antifibrillatory actions. Although it has been reported that CP activitie...

journal_title：Free radical research

authors： Aouffen M,Paquin J,Furtos A,Waldron KC,Mateescu MA

更新日期：2004-01-01 00:00:00

abstract：:Diabetes mellitus is a risk factor for prognosis after liver resection. In previous work, we found a pro-apoptotic state in the diabetic rat liver. In this work, this was also observed 1 hour post-partial hepatectomy (PH) and resulted in a deficient regenerative response 24 hours post-PH. Treatment with insulin and/or...

journal_title：Free radical research

authors： Francés DE,Ronco MT,Ingaramo PI,Monti JA,Pisani GB,Parody JP,Pellegrino JM,Carrillo MC,Martín-Sanz P,Carnovale CE

更新日期：2011-10-01 00:00:00

abstract：:Tumour necrosis factor alpha (TNF alpha) cytotoxicity is mediated, at least in part, by oxidative stress and phospholipase A2 activation. The first post-receptor events to be observed in TNF alpha-sensitive lines are the generation of superoxide anion (O2-) within the mitochondria and the activation of phospholipase A...

journal_title：Free radical research

authors： Polla BS,Jacquier-Sarlin MR,Kantengwa S,Mariéthoz E,Hennet T,Russo-Marie F,Cossarizza A

更新日期：1996-08-01 00:00:00

abstract：:Rabbits were fed a diet containing 1% cholesterol for 8 weeks and the levels of iron and oxidized lipids in liver analysed using atomic absorption spectroscopy and gas chromatography-mass spectrometry. A non-significant trend to an increase in iron level, but significant increases in the lipid peroxidation products, F...

journal_title：Free radical research

authors： Ong WY,Jenner AM,Pan N,Ong CN,Halliwell B

更新日期：2009-03-01 00:00:00

abstract：:We have determined the effects of chronic vitamin C intake on neutrophil and lymphocyte antioxidant defences during the acute phase immune response induced by intense exercise. Blood samples were taken from 16 voluntary athletes in basal conditions, both immediately after and 1 h after a duathlon competition. Sportsme...

journal_title：Free radical research

authors： Tauler P,Aguiló A,Gimeno I,Noguera A,Agustí A,Tur JA,Pons A

更新日期：2003-09-01 00:00:00

abstract：:Myeloperoxidase (MPO), a major constituent of neutrophils, catalyzes the production of hypochlorous acid (HOCl) from hydrogen peroxide (H2O2) and chloride anion. We have previously reported that MPO-deficient (MPO(-/-)) neutrophils produce greater amount of macrophage inflammatory protein-2 (MIP-2) in vitro than do wi...

journal_title：Free radical research

authors： Tateno N,Matsumoto N,Motowaki T,Suzuki K,Aratani Y

更新日期：2013-05-01 00:00:00

abstract：:The cyanidin-3-O-beta-glucopyranoside (C-3-G) antioxidant capacity towards reactive oxygen species (ROS)-mediated damages was assessed in tissue and cells submitted to increased oxidative stress. In the isolated ischemic and reperfused rat heart, 10 or 30 degreesM C-3-G protected from both lipid peroxidation (66.7 and...

journal_title：Free radical research

authors： Amorini AM,Lazzarino G,Galvano F,Fazzina G,Tavazzi B,Galvano G

更新日期：2003-04-01 00:00:00

abstract：:The aim of the study was to analyse the effect of Val 16Ala polymorphism in SOD2 gene on oxidative stress parameters and lipid profile of the blood during a three-month wrestling training. The study included 53 Polish young wrestlers. Blood samples were collected at the beginning of the programme and following three m...

journal_title：Free radical research

authors： Jówko E,Gierczuk D,Cieśliński I,Kotowska J

更新日期：2017-05-01 00:00:00

abstract：:Uraemic subjects undergoing chronic haemodialysis show increased oxidative stress. The use of non-biocompatible filters and reduced antioxidative defences are important sources of reactive oxygen species (ROS) release. The highly oxidative environment accelerates the onset and progression of tissue damage and atherosc...

journal_title：Free radical research

authors： Odetti P,Traverso N,Monacelli F,Menini S,Vazzana J,Tasso B,Pronzato MA,Robaudo C,Deferrari G

更新日期：2006-02-01 00:00:00

abstract：:3-Nitrotyrosine (3NT) is known as an important indicator of nitrosative stress and has been linked to various diseases. Our aim was to develop an indirect ELISA (enzyme-linked immunosorbent assay) method suitable for the detection of protein-bound 3NT in clinical plasma and serum samples. Nitrated protein standards an...

journal_title：Free radical research

authors： Weber D,Kneschke N,Grimm S,Bergheim I,Breusing N,Grune T

更新日期：2012-03-01 00:00:00

abstract：:Resorcinols (pentadecylresorcinol, olivetol, orcinol and resorcinol) exhibit antioxidant properties in liposomal systems. Antioxidant potency depends on the length of the alkyl chain. Pentadecylresorcinol has been demonstrated to be the most active antioxidant, indicating significance of its alkyl chain in a lipid bil...

journal_title：Free radical research

authors： Hładyszowski J,Zubik L,Kozubek A

更新日期：1998-04-01 00:00:00

abstract：:The use of antioxidants to prevent intracellular free radical damage is an area currently attracting considerable research interest. The compound 2',7'-dichlorofluorescin diacetate (DCFH-DA) is a probe for intracellular peroxide formation commonly used in such studies. During our studies we unexpectedly found that inc...

journal_title：Free radical research

authors： Kalinich JF,Ramakrishnan N,McClain DE

更新日期：1997-01-01 00:00:00

abstract：:There is a convincing body of evidence that oxidative stress is involved in the pathogenesis of acute pancreatitis. The effects of different radical scavengers suggested that reactive oxygen metabolites are generated at very early stage of disease and contribute to amplify the pancreatic damage. Oxidative stress is al...

journal_title：Free radical research

authors： Closa D

更新日期：2013-11-01 00:00:00

abstract：:In human organism, the gaseous radical molecule nitric oxide (NO) is produced in various cells from L-arginine by the catalytic action of NO synthases (NOS). The metabolic fate of NO includes oxidation to nitrate by oxyhaemoglobin in red blood cells and autoxidation in haemoglobin-free media to nitrite. Nitrate and ni...

journal_title：Free radical research

authors： Tsikas D

更新日期：2005-08-01 00:00:00

abstract：:The mechanism of high-grade serous ovarian cancer (HGSC) development remains elusive. This review outlines recent advances in the understanding of sequential molecular changes associated with the development of HGSC, as well as describes oxidative stress-induced genomic instability and carcinogenesis. This article rev...

journal_title：Free radical research

authors： Kobayashi H,Ogawa K,Kawahara N,Iwai K,Niiro E,Morioka S,Yamada Y

更新日期：2017-10-01 00:00:00

abstract：:Obesity enhances the frequency and severity of acute kidney injury (AKI). Telmisartan pre-treatment was used experimentally in the amelioration of ischemia/reperfusion (IR)-induced AKI. However, there is a lack of evidence regarding its beneficial effects on AKI in obese animals. The present study, therefore, aimed to...

journal_title：Free radical research

authors： Ali SI,Alhusseini NF,Atteia HH,Idris RA,Hasan RA

更新日期：2016-09-01 00:00:00

abstract：:It is well known that reactive oxygen species (ROS) attack several living tissues and increase the risk of development and progression of serious diseases. In neuronal level, ROS induce cell death in concentration-dependent fashion. However, little is known about the mechanisms of neuronal changes by ROS prior to indu...

journal_title：Free radical research

authors： Fukui K,Ushiki K,Takatsu H,Koike T,Urano S

更新日期：2012-02-01 00:00:00

abstract：:S-Nitrosation plays an important role in regulation of protein function and signal transduction. Discovering S-nitrosated targets is a prerequisite for further functional study. However, current proteomic methods used to quantify S-nitrosation are limited in their applicability to certain types of samples, or by the n...

journal_title：Free radical research

authors： Zhang X,Huang B,Chen C

更新日期：2012-08-01 00:00:00

abstract：:Peroxisome proliferator-activated receptor gamma (PPARγ) is known to be activated via exercise-associated transient increases in oxidative stress. However, the precise mechanism(s) triggering PPARγ activation in monocytes during/following exercise remain to be confirmed. Here, two cohorts of five healthy male individu...

journal_title：Free radical research

authors： Davies NA,Watkeys L,Butcher L,Potter S,Hughes MG,Moir H,Morris K,Thomas AW,Webb R

更新日期：2015-01-01 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：:Intracellular levels of H2O2 in BHK-21 cells are not static but decline progressively with cell growth. Exposure of cells to inhibitors of catalase, or glutathione peroxidase, not only diminishes this decline but also depresses rates of cell proliferation, suggesting important growth regulatory roles for those antioxi...

journal_title：Free radical research

authors： Burdon RH,Alliangana D,Gill V

更新日期：1995-11-01 00:00:00