Synaptic Activity Protects Neurons Against Calcium-Mediated Oxidation and Contraction of Mitochondria During Excitotoxicity.

abstract：:The redox status of tumors inoculated into the footpads of mice was investigated by using an in vivo ESR/spin-probe technique. A single-cell suspension of a metastatic subclone of colon carcinoma NL-17 was inoculated into the footpads of Balb/c mice. At 12, 24, 48, and 96 h after the inoculation, a spin probe, either ...

journal_title：Antioxidants & redox signaling

authors： Ichikawa K,Sakabe E,Kuninobu K,Yamori T,Tsuruo T,Yao T,Tsuneyoshi M,Utsumi H

更新日期：2007-10-01 00:00:00

abstract：:Cardiac hypertrophy and heart failure are major causes of morbidity and mortality in Western societies. Many factors have been implicated in cardiac remodeling, including alterations in gene expression in myocytes, cardiomyocytes apoptosis, cytokines and growth factors that influence cardiac dynamics, and deficits in ...

journal_title：Antioxidants & redox signaling

authors： Gupta S,Das B,Sen S

更新日期：2007-06-01 00:00:00

abstract：AIMS:Myocardial ischemia/reperfusion (I/R) is associated with mitochondrial dysfunction and subsequent cardiomyocyte death. The generation of excessive quantities of reactive oxygen species (ROS) and resultant damage to mitochondrial enzymes is considered an important mechanism underlying reperfusion injury. Mitochondr...

journal_title：Antioxidants & redox signaling

authors： Gorenkova N,Robinson E,Grieve DJ,Galkin A

更新日期：2013-11-01 00:00:00

abstract：:Neurons are extremely active cells and metabolize up to 20% of the oxygen that was consumed by the organism. Despite their highly oxygenic metabolism, neuronal cells have a lower capacity to neutralize the reactive oxygen species (ROS) that they generate or to which they are exposed. High levels of ROS can lead to acc...

journal_title：Antioxidants & redox signaling

authors： Barzilai A

更新日期：2007-02-01 00:00:00

abstract：:Dr. Gregg L. Semenza is recognized here as a Redox Pioneer because he has published three articles that have been cited more than 1,000 times, and 74 articles that have each been cited more than 100 times. Dr. Semenza is known for his seminal discovery of hypoxia-inducible factor-1 (HIF-1) and for identifying molecula...

journal_title：Antioxidants & redox signaling

authors： Prabhakar NR

更新日期：2010-08-15 00:00:00

abstract：:Through hypoxia-inducible factor 1 (HIF-1), hypoxia regulates the expression of numerous genes and is a potent inducer of angiogenesis. However, interleukin-8 (IL-8), an important angiogenic mediator, has been reported to be downregulated by HIF-1, although the mechanisms have not been elucidated. HIF-1 was induced in...

journal_title：Antioxidants & redox signaling

authors： Loboda A,Stachurska A,Florczyk U,Rudnicka D,Jazwa A,Wegrzyn J,Kozakowska M,Stalinska K,Poellinger L,Levonen AL,Yla-Herttuala S,Jozkowicz A,Dulak J

更新日期：2009-07-01 00:00:00

abstract：:Fluid shear stress is intimately linked with vascular oxidative stress and atherosclerosis. We posited that atherogenic oscillatory shear stress (OSS) induced mitochondrial superoxide (mtO2•-) production via NADPH oxidase and c-Jun NH(2)-terminal kinase (JNK-1 and JNK-2) signaling. In bovine aortic endothelial cells, ...

journal_title：Antioxidants & redox signaling

authors： Takabe W,Jen N,Ai L,Hamilton R,Wang S,Holmes K,Dharbandi F,Khalsa B,Bressler S,Barr ML,Li R,Hsiai TK

更新日期：2011-09-01 00:00:00

abstract：SIGNIFICANCE:Decrypting the cellular response to oxidative stress relies on a comprehensive understanding of the redox signaling pathways stimulated under oxidizing conditions. Redox signaling events can be divided into upstream sensing of oxidants, midstream redox signaling of protein function, and downstream transcri...

journal_title：Antioxidants & redox signaling

authors： Young D,Pedre B,Ezeriņa D,De Smet B,Lewandowska A,Tossounian MA,Bodra N,Huang J,Astolfi Rosado L,Van Breusegem F,Messens J

更新日期：2019-04-01 00:00:00

abstract：AIMS:Aberrant Cdk5 (cyclin-dependent kinase 5) and oxidative stress are crucial components of diverse neurodegenerative disorders, including Alzheimer's disease (AD). We previously reported that a change in peroxiredoxin (Prx) expression is associated with protection from neuronal death. The aim of the current study wa...

journal_title：Antioxidants & redox signaling

authors： Park J,Kim B,Chae U,Lee DG,Kam MK,Lee SR,Lee S,Lee HS,Park JW,Lee DS

更新日期：2017-10-10 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：AIMS:Macrophages are of key importance for tissue repair after myocardial infarction (MI). Hydrogen sulfide (H2S) has been shown to exert cardioprotective effects in MI. However, the mechanisms by which H2S modulates cardiac remodeling and repair post-MI remain to be clarified. RESULTS:In our current study, we showed ...

journal_title：Antioxidants & redox signaling

authors： Miao L,Shen X,Whiteman M,Xin H,Shen Y,Xin X,Moore PK,Zhu YZ

更新日期：2016-08-10 00:00:00

abstract：AIMS:The purpose of this study was to investigate differential nicotinamide adenine dinucleotide phosphate, reduced (NADPH) production between radiation-sensitive and -resistant head and neck squamous cell carcinoma (HNSCC) cell lines and whether these differences are predictive of sensitivity to the chemotherapeutic β...

journal_title：Antioxidants & redox signaling

authors： Lewis JE,Costantini F,Mims J,Chen X,Furdui CM,Boothman DA,Kemp ML

更新日期：2018-10-01 00:00:00

abstract：: Aims: Autophagy is a catabolic process required for the maintenance of cardiac health. Insulin and insulin-like growth factor 1 (IGF-1) are potent inhibitors of autophagy and as such, one would predict that autophagy will be increased in the insulin-resistant/diabetic hear...

journal_title：Antioxidants & redox signaling

authors： Pires KM,Torres NS,Buffolo M,Gunville R,Schaaf C,Davis K,Selzman CH,Gottlieb RA,Boudina S

更新日期：2019-08-20 00:00:00

abstract：:Physiological levels of reactive oxygen species (ROS) play an important regulatory role through various signaling transduction pathways in folliculogenesis, oocyte maturation, endometrial cycle, luteolysis, implantation, embryogenesis, and pregnancy. Persistent and elevated generation of ROS leads to a disturbance of ...

journal_title：Antioxidants & redox signaling

authors： Agarwal A,Gupta S,Sekhon L,Shah R

更新日期：2008-08-01 00:00:00

abstract：SIGNIFICANCE:The successful adaptation of microorganisms to ever-changing environments depends, to a great extent, on their ability to maintain redox homeostasis. To effectively maintain the redox balance, cells have developed a variety of strategies mainly coordinated by a battery of transcriptional regulators through...

journal_title：Antioxidants & redox signaling

authors： Sevilla E,Bes MT,González A,Peleato ML,Fillat MF

更新日期：2019-05-01 00:00:00

abstract：:Efficient extracellular hemoglobin (Hb) clearance is essential to prevent oxidative- and nitrosative-mediated toxicity. CD163 belongs to group B of the scavenger receptor cysteine-rich (SRCR) protein family found on the surface of monocytes and macrophages and is responsible for Hb-haptoglobin (Hp) complex uptake. Hb ...

journal_title：Antioxidants & redox signaling

authors： Schaer DJ,Alayash AI,Buehler PW

更新日期：2007-07-01 00:00:00

abstract：SIGNIFICANCE:Most solid tumors contain regions of low oxygenation or hypoxia. Tumor hypoxia has been associated with a poor clinical outcome and plays a critical role in tumor radioresistance. RECENT ADVANCES:Two main types of hypoxia exist in the tumor microenvironment: chronic and cycling hypoxia. Chronic hypoxia re...

journal_title：Antioxidants & redox signaling

authors： Lee CT,Boss MK,Dewhirst MW

更新日期：2014-07-10 00:00:00

abstract：SIGNIFICANCE:Store-operated Ca2+ entry (SOCE) is a ubiquitous Ca2+ signaling mechanism triggered by Ca2+ depletion of the endoplasmic reticulum (ER) and by a variety of cellular stresses. Reactive oxygen species (ROS) are often concomitantly produced in response to these stresses, however, the relationship between redo...

journal_title：Antioxidants & redox signaling

authors： Nunes P,Demaurex N

更新日期：2014-08-20 00:00:00

abstract：:Nox family NADPH oxidases serve a variety of functions requiring reactive oxygen species (ROS) generation, including antimicrobial defense, biosynthetic processes, oxygen sensing, and redox-based cellular signaling. We explored targeting, assembly, and activation of several Nox family oxidases, since ROS production ap...

journal_title：Antioxidants & redox signaling

authors： Leto TL,Morand S,Hurt D,Ueyama T

更新日期：2009-10-01 00:00:00

abstract：SIGNIFICANCE:Heart disease is the primary cause of death in the industrialized world. Cardiac failure is dictated by an uncompensated reduction in the number of viable and fully functional cardiomyocytes. While current pharmacological therapies alleviate the symptoms associated with cardiac deterioration, heart transpl...

journal_title：Antioxidants & redox signaling

authors： Goichberg P,Chang J,Liao R,Leri A

更新日期：2014-11-10 00:00:00

abstract：SIGNIFICANCE:Pyridine dinucleotides, nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP), were discovered more than 100 years ago as necessary cofactors for fermentation in yeast extracts. Since that time, these molecules have been recognized as fundamental players in a variet...

journal_title：Antioxidants & redox signaling

authors： Fessel JP,Oldham WM

更新日期：2018-01-20 00:00:00

abstract：AIMS:Cyclic adenosine 3'5'-monophosphate (cAMP) is a universal second messenger that plays an important role in intracellular signal transduction. cAMP is synthesized by adenylate cyclases from adenosine triphosphate and terminated by the phosphodiesterases (PDEs). In the present study, we investigated the role of the ...

journal_title：Antioxidants & redox signaling

authors： Ding H,Bai F,Cao H,Xu J,Fang L,Wu J,Yuan Q,Zhou Y,Sun Q,He W,Dai C,Zen K,Jiang L,Yang J

更新日期：2018-09-01 00:00:00

abstract：:Ceramide has been shown by many studies to induce apoptosis. Therefore, upregulation of ceramide is discussed as a novel approach for tumor treatment. However, it is unknown whether overexpression of acid sphingomyelinase releasing ceramide from sphingomyelin sensitizes cells to chemotherapy and, thus, serves as a pot...

journal_title：Antioxidants & redox signaling

authors： Grammatikos G,Teichgräber V,Carpinteiro A,Trarbach T,Weller M,Hengge UR,Gulbins E

更新日期：2007-09-01 00:00:00

abstract：:Accumulating evidence suggests that oxidative stress associated with impaired metabolism of the antioxidant glutathione (GSH) plays a key role in the pathophysiology of schizophrenia. Magnetic resonance spectroscopy (MRS) is one of the brain-imaging techniques that can quantitatively measure bioactive substances such ...

journal_title：Antioxidants & redox signaling

authors： Matsuzawa D,Hashimoto K

更新日期：2011-10-01 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：:Free-radicals and other reactive oxygen species (ROS) have been implicated as being major damaging species in pathology and they have been widely investigated. Using 1,1'-diphenyl-2-picrylhydrazyl (DPPH), we estimated total free radical scavenging activity in the low-molecular-weight nonenzymatic fraction (LMNEF) of h...

journal_title：Antioxidants & redox signaling

authors： Atsumi T,Iwakura I,Kashiwagi Y,Fujisawa S,Ueha T

更新日期：1999-01-01 00:00:00

abstract：: Significance: Nuclear factor erythroid 2 (NFE2)-related factor 2 (NFE2L2, or NRF2) is a transcription factor predominantly affecting the expression of antioxidant genes. NRF2 plays a significant role in the control of redox balance, which is crucial in cancer cells. NRF2 a...

journal_title：Antioxidants & redox signaling

authors： Smolková K,Mikó E,Kovács T,Leguina-Ruzzi A,Sipos A,Bai P

更新日期：2020-11-01 00:00:00

abstract：:The mechanism for regeneration of the active-site "peroxidatic" cysteine in 1-Cys peroxiredoxins is a matter of debate. Saccharomyces cerevisiae Prx1 is a mitochondrial enzyme belonging to the 1-Cys Prx, whereas Grx2 is involved in antioxidant defense and localizes at the mitochondria, so we hypothesized that it could...

journal_title：Antioxidants & redox signaling

authors： Pedrajas JR,Padilla CA,McDonagh B,Bárcena JA

更新日期：2010-08-01 00:00:00

abstract：:Methionine residues are susceptible to oxidation, but this damage may be reversed by methionine sulfoxide reductases MsrA and MsrB. Mammals contain one MsrA and three MsrBs, including a selenoprotein MsrB1. Here, we show that MsrB1 is the major methionine sulfoxide reductase in liver of mice and it is among the protei...

journal_title：Antioxidants & redox signaling

authors： Novoselov SV,Kim HY,Hua D,Lee BC,Astle CM,Harrison DE,Friguet B,Moustafa ME,Carlson BA,Hatfield DL,Gladyshev VN

更新日期：2010-04-01 00:00:00

abstract：:Chronic inflammatory processes induce oxidative stress and lipid peroxidation (LPO), hereby generating DNA-reactive aldehydes such as trans-4-hydroxy-2-nonenal (HNE). Etheno-modified DNA bases are inter alia generated by reaction of DNA with HNE. Using an immunoaffinity-(32)P-postlabeling method, the authors have inve...

journal_title：Antioxidants & redox signaling

authors： Nair J,Gansauge F,Beger H,Dolara P,Winde G,Bartsch H

更新日期：2006-05-01 00:00:00