abstract：:Although there is an abundance of evidence suggesting that insulin resistance plays a significant role in the vasculature, the precise mechanistic role involved still remains unclear. In this review, we discuss the current background of insulin resistance in the context of insulin signaling and action in the vasculatu...

journal_title：Antioxidants & redox signaling

authors： Frank GD,Eguchi S,Motley ED

更新日期：2005-07-01 00:00:00

abstract：:Homocysteine is a thiol-containing amino acid that has gained notoriety because its elevation in the plasma is correlated with complex and multifactorial diseases, including cardiovascular diseases, neurodegenerative diseases, and neural tube defects. Homocysteine is redox-active, and its toxic effects have been frequ...

journal_title：Antioxidants & redox signaling

authors： Zou CG,Banerjee R

更新日期：2005-05-01 00:00:00

abstract：:The herbicide paraquat (PQ) has been implicated as a potential risk factor for the development of Parkinson's disease. In this study, PQ (0.5-1 microM) was shown to be selectively toxic to dopaminergic (DA) neurons through the activation of microglial NADPH oxidase and the generation of superoxide. Neuron-glia culture...

journal_title：Antioxidants & redox signaling

authors： Wu XF,Block ML,Zhang W,Qin L,Wilson B,Zhang WQ,Veronesi B,Hong JS

更新日期：2005-05-01 00:00:00

abstract：:Reactive oxygen and nitrogen species inhibit or promote cell proliferation by modulating the cell signaling pathways that dictate decisions between cell survival, proliferation, and death. In the growth factor-dependent pathways that regulate mitogenesis, numerous positive and negative effectors of signaling are influ...

journal_title：Antioxidants & redox signaling

authors： Burch PM,Heintz NH

更新日期：2005-05-01 00:00:00

abstract：:Studies on thioredoxin (Trx) and its related molecules have expanded dramatically recently. Proteins that share the similar active-site sequence, -Cys-Xxx-Yyy-Cys-, are called the Trx family, and the number of Trx family members is increasing. Trx reductase, which reduces oxidized Trx in cooperation with NADPH, has th...

journal_title：Antioxidants & redox signaling

authors： Nakamura H

更新日期：2005-05-01 00:00:00

abstract：:Integrin-mediated phagocytosis in fibroblasts is associated to collagenase 1 induction when the particles are coated with high-affinity binding ligands. This study shows that the high density of ligand coating on the particle elicits RhoA-dependent particle uptake coupled to signal transduction. Integrin clustering in...

journal_title：Antioxidants & redox signaling

authors： Werner E

更新日期：2005-03-01 00:00:00

abstract：:Cell division requires the coordinated assembly of cyclins and cyclin-dependent kinases that promote cell-cycle progression through S phase and mitosis. Two families of cyclin-dependent kinase inhibitors prevent abnormal or premature proliferation by blocking cyclin kinase activity. Expression of the cyclin-dependent ...

journal_title：Antioxidants & redox signaling

authors： O'Reilly MA

更新日期：2005-01-01 00:00:00

abstract：:Discovery of the F2-isoprostanes, a group of prostaglandin F2-like compounds biosynthesized from arachidonic acid nonenzymatically, has uncovered a new and novel facet of free radical biology. Some of these compounds are bioactive and thus may mediate adverse effects associated with oxidant stress. F2-Isoprostanes hav...

journal_title：Antioxidants & redox signaling

authors： Basu S,Helmersson J

更新日期：2005-01-01 00:00:00

abstract：:In the CNS, the heme oxygenase (HO) system has been reported to be active and to operate as a fundamental defensive mechanism for neurons exposed to an oxidant challenge. We have recently shown that both curcumin and caffeic acid phenethyl ester, two phenolic natural compounds, potently induce HO-1 expression and acti...

journal_title：Antioxidants & redox signaling

authors： Scapagnini G,Butterfield DA,Colombrita C,Sultana R,Pascale A,Calabrese V

更新日期：2004-10-01 00:00:00

abstract：:Efficient functioning of maintenance and repair processes seems to be crucial for both survival and physical quality of life. This is accomplished by a complex network of the so-called longevity assurance processes, which are composed of several genes termed "vitagenes," among these, the heat shock system, a highly co...

journal_title：Antioxidants & redox signaling

authors： Calabrese V,Stella AM,Butterfield DA,Scapagnini G

更新日期：2004-10-01 00:00:00

abstract：:The nuclear factor-kappaB (NF-kappaB) is a transcription factor that plays a pivotal role in the induction of genes involved in physiological processes, as well as in the response to inflammation. In this study, we used a selective nonpeptidyl superoxide dismutase mimetic, M40403, to investigate the role of superoxide...

journal_title：Antioxidants & redox signaling

authors： Cuzzocrea S,Pisano B,Dugo L,Ianaro A,Ndengele M,Salvemini D

更新日期：2004-08-01 00:00:00

abstract：:Prospective epidemiological studies have shown that the incidence of numerous cardiovascular pathologies is correlated with body selenium status. However, it remains unclear whether selenium status also influences the outcome of myocardial infarction. The aim of the present study was to test whether dietary selenium i...

journal_title：Antioxidants & redox signaling

authors： Tanguy S,Morel S,Berthonneche C,Toufektsian MC,de Lorgeril M,Ducros V,Tosaki A,de Leiris J,Boucher F

更新日期：2004-08-01 00:00:00

abstract：:To study early subcellular pathologic changes of tumorigenesis in mouse skin and possible modulation by overexpression of the mitochondrial antioxidant enzyme manganese superoxide dismutase (MnSOD), skin keratinocytes from nontransgenic (Ntg) and transgenic (TgH) mice overexpressing MnSOD topically treated with one do...

journal_title：Antioxidants & redox signaling

authors： Oberley TD,Xue Y,Zhao Y,Kiningham K,Szweda LI,St Clair DK

更新日期：2004-06-01 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：:It has been known that glutathione S-transferases (GSTs) can reduce lipid hydroperoxides through their Se-independent glutathione peroxidase activity and that these enzymes can also detoxify lipid peroxidation end products such as 4-hydroxynonenal (4-HNE). In this article, recent studies suggesting that the Alpha clas...

journal_title：Antioxidants & redox signaling

authors： Sharma R,Yang Y,Sharma A,Awasthi S,Awasthi YC

更新日期：2004-04-01 00:00:00

abstract：:Nitric oxide (NO) has been shown to regulate a variety of physiological functions, including vascular tone. The inhibition of NO synthase by N(omega)-nitro-L-arginine methyl ester (L-NAME) has been reported to increase arterial blood pressure. The present studies were undertaken to investigate if the increased blood p...

journal_title：Antioxidants & redox signaling

authors： Anand-Srivastava MB,Di Fusco F

更新日期：2004-04-01 00:00:00

abstract：:Ebselen is a selanazal drug recently revealed as a highly efficient peroxiredoxin mimic catalyzing the hydroperoxide reduction by the mammalian thioredoxin system [thioredoxin (Trx), thioredoxin reductase (TrxR), and NADPH]. The mammalian Trx system is a dehydroascorbic acid reductase recycling ascorbic acid essential...

journal_title：Antioxidants & redox signaling

authors： Zhao R,Holmgren A

更新日期：2004-02-01 00:00:00

abstract：:Pulmonary surfactant, a complex of lipids and proteins, maintains alveolar integrity and participates in the control of host defense and inflammation in the lung. Surfactant proteins A, B, C, and D are important components of surfactant that play diverse roles in the surface tension reducing as well as host defense an...

journal_title：Antioxidants & redox signaling

authors： Boggaram V

更新日期：2004-02-01 00:00:00

abstract：:Enhanced production of reactive oxygen species (ROS) such as H(2)O(2) and a failure in ROS removal by scavenging systems are hallmarks of several cardiovascular diseases such as atherosclerosis and hypertension. ROS act as second messengers that play a prominent role in intracellular signaling and cellular function. I...

journal_title：Antioxidants & redox signaling

authors： Frank GD,Eguchi S

更新日期：2003-12-01 00:00:00

abstract：:Aging is the accumulation of changes that increase the risk of death. Aging changes can be attributed to development, genetic defects, the environment, disease, and an inborn process: the aging process. The latter is the major risk factor for disease and death after age 28 in the developed countries. In these countrie...

journal_title：Antioxidants & redox signaling

authors： Harman D

更新日期：2003-10-01 00:00:00

abstract：:An increase of mitochondrial-derived reactive oxygen species (ROS) occurs in nerve growth factor (NGF)-deprived sympathetic neurons undergoing apoptotic death. It has been reported that NGF suppresses increased ROS production by the mitochondria in these cells through a mitogen-activated protein kinase kinase (MEK)/mi...

journal_title：Antioxidants & redox signaling

authors： Kirkland RA,Franklin JL

更新日期：2003-10-01 00:00:00

abstract：:Cellular compartments differ dramatically in their redox potentials. This translates directly into variations in the extent of disulfide bond formation within proteins, depending on their cellular localization. It has long been assumed that proteins that are present in the reducing environment of the cytosol do not po...

journal_title：Antioxidants & redox signaling

authors： Linke K,Jakob U

更新日期：2003-08-01 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：:Glutathione peroxidases and thioredoxin reductases are the main selenoproteins expressed by endothelial cells. These enzymes reduce hydroperoxides, their role in endothelial cell physiology, however, by far exceeds prevention of oxidative damage. Reactive oxygen and nitrogen species, especially superoxide, hydroperoxi...

journal_title：Antioxidants & redox signaling

authors： Brigelius-Flohé R,Banning A,Schnurr K

更新日期：2003-04-01 00:00:00

abstract：:The ability to couple photosynthetic electron transport and redox poise to plastid gene expression enables plants to respond to environmental conditions and coordinate nuclear and chloroplast activities in order to maintain photosynthetic efficiency. The plastid redox regulatory system serves as a paradigm for underst...

journal_title：Antioxidants & redox signaling

authors： Barnes D,Mayfield SP

更新日期：2003-02-01 00:00:00

abstract：:Toxic renal failure induced by gentamicin, glycerol, or cisplatin, as well as ischemic renal failure in vivo and hypoxia/reoxygenation of tubular epithelial cells in vitro, induces the production of reactive oxygen metabolites (ROM). Generation of ROM is responsible for the induction of tubular epithelial cell death, ...

journal_title：Antioxidants & redox signaling

authors： Basnakian AG,Kaushal GP,Shah SV

更新日期：2002-12-01 00:00:00

abstract：:Reactive oxygen species (ROS) can directly induce or enhance tumor necrosis factor (TNF)-mediated apoptosis in a number of different cell lines. To test the relevance of intracellular ROS in modulating apoptotic signaling in vivo, we evaluated hepatocellular apoptosis mediated by the TNF or Fas receptor in wild-type a...

journal_title：Antioxidants & redox signaling

authors： Bajt ML,Ho YS,Vonderfecht SL,Jaeschke H

更新日期：2002-10-01 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：:Hypoxia induces the stress protein heme oxygenase-1 (HO-1), which participates in cellular adaptation. The molecular pathways that regulate ho-1 gene expression under hypoxia may involve mitogen activated protein kinase (MAPK) signaling and reactive oxygen. Hypoxia (8 h) increased HO-1 mRNA in rat pulmonary aortic end...

journal_title：Antioxidants & redox signaling

authors： Ryter SW,Xi S,Hartsfield CL,Choi AM

更新日期：2002-08-01 00:00:00

abstract：:Oxidative stress plays a significant role in the pathogenesis of coronary artery disease (CAD). A p22(phox)-based NAD(P)H oxidase acts as a potent superoxide-generating system in the vasculature. We studied the association of the A640G and the C242T polymorphisms with clinical risk factors, endothelial function, and s...

journal_title：Antioxidants & redox signaling

authors： Zafari AM,Davidoff MN,Austin H,Valppu L,Cotsonis G,Lassègue B,Griendling KK

更新日期：2002-08-01 00:00:00

abstract：:The signaling networks that mediate activation, proliferation, or programmed cell death of T lymphocytes are dependent on complex redox and metabolic pathways. T lymphocytes are primarily activated through the T-cell receptor and co-stimulatory molecules. Although activation results in lymphokine production, prolifera...

journal_title：Antioxidants & redox signaling

authors： Perl A,Gergely P Jr,Puskas F,Banki K

更新日期：2002-06-01 00:00:00

abstract：:The signaling for activation of protein tyrosine kinases (PTKs) is usually started by binding of ligands to cell-surface receptors. However, recent evidence suggests the presence of ligand binding-independent signaling pathways that are mediated by oxidative stress. Oxidation and reduction of protein cysteine sulfhydr...

journal_title：Antioxidants & redox signaling

authors： Nakashima I,Kato M,Akhand AA,Suzuki H,Takeda K,Hossain K,Kawamoto Y

更新日期：2002-06-01 00:00:00

abstract：:Hypoxia is sensed by all mammalian cells and elicits a variety of adaptive and pathophysiological responses at the molecular and cellular level. For the pulmonary vasculature, hypoxia causes increased vasoconstriction and vessel-wall remodeling. These responses are mediated by complex intracellular cascades leading to...

journal_title：Antioxidants & redox signaling

authors： Kourembanas S

更新日期：2002-04-01 00:00:00

abstract：:Neutrophils have a short half-life and high tendency to undergo apoptosis. One feature that may influence these characteristics is the antioxidant/oxidant balance of these cells. There are few studies on the levels of antioxidant enzymes in human neutrophils. We have analyzed by immunohistochemistry of paraffin-embedd...

journal_title：Antioxidants & redox signaling

authors： Kinnula VL,Soini Y,Kvist-Mäkelä K,Savolainen ER,Koistinen P

更新日期：2002-02-01 00:00:00

abstract：:The production of reactive oxygen and reactive nitrogen intermediates is an important host defense mechanism mediated in response to infection by bacterial pathogens. Not surprisingly, intracellular pathogens have evolved numerous defense strategies to protect themselves against the damaging effects of these agents. I...

journal_title：Antioxidants & redox signaling

authors： Zahrt TC,Deretic V

更新日期：2002-02-01 00:00:00

abstract：:BLNK (B cell linker protein) represents a central linker protein that bridges the B cell receptor-associated kinases with a multitude of signaling pathways. In this study, we have investigated the role of BLNK in oxidative stress signaling in B cells. H2O2 treatment of B cells induced a rapid tyrosine phosphorylation ...

journal_title：Antioxidants & redox signaling

authors： Han W,Takano T,He J,Ding J,Gao S,Noda C,Yanagi S,Yamamura H

更新日期：2001-12-01 00:00:00

abstract：:An overview is provided of the use of cyclic voltammetry and electrochemical detectors for HPLC to characterize antioxidants that are active as reducing agents at inert electrodes. Results are presented for cyclic voltammetry at a glassy carbon electrode in 50% methanol, 50% 0.1 M HClO4, a solution typically used in H...

journal_title：Antioxidants & redox signaling

authors： Kilmartin PA

更新日期：2001-12-01 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：:The RING (really interesting new gene) finger proteins containing a characteristic C3HC4 or C3H2C3 motif appear to act as E3 ubiquitin ligase and play important roles in many processes, including cell-cycle progression, oncogenesis, signal transduction, and development. This review is focused on SAG/ROC/Rbx/Hrt (sensi...

journal_title：Antioxidants & redox signaling

authors： Sun Y,Tan M,Duan H,Swaroop M

更新日期：2001-08-01 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