Imaging tumor hypoxia to advance radiation oncology.

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：:Selenium (Se) is an essential trace element in mammals that has been shown to exert its function through selenoproteins. Whereas optimal levels of Se in the diet have important health benefits, a recent clinical trial has suggested that supplemental intake of Se above the adequate level potentially may raise the risk ...

journal_title：Antioxidants & redox signaling

authors： Labunskyy VM,Lee BC,Handy DE,Loscalzo J,Hatfield DL,Gladyshev VN

更新日期：2011-06-15 00:00:00

abstract：SIGNIFICANCE:Selenoprotein K (SelK) is an endoplasmic reticulum (ER) membrane protein, and its expression is sensitive to dietary selenium levels. A recently described role for SelK as a cofactor in catalyzing protein palmitoylation reactions provides an important link between low dietary selenium intake and suboptimal...

journal_title：Antioxidants & redox signaling

authors： Fredericks GJ,Hoffmann PR

更新日期：2015-10-01 00:00:00

abstract：:Apoptosis is a highly regulated process essential for the development and homeostasis of multicellular organisms. Whereas caspases, a large family of intracellular cysteine proteases, play central roles in the execution of apoptosis, other proapoptotic and antiapoptotic regulators such as the members of the Bcl-2 fami...

journal_title：Antioxidants & redox signaling

authors： Takeda K,Naguro I,Nishitoh H,Matsuzawa A,Ichijo H

更新日期：2011-08-01 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:Mitochondrial function is central to a wide range of biological processes in health and disease and there is considerable interest in developing small molecules that are taken up by mitochondria and act as either probes of mitochondrial function or therapeutics in vivo. RECENT ADVANCES:Various strategies ...

journal_title：Antioxidants & redox signaling

authors： Smith RA,Hartley RC,Murphy MP

更新日期：2011-12-15 00:00:00

abstract：:Chronic inflammation is a driving force for gastric carcinogenesis. Reactive oxygen species (ROS) generated during the inflammatory process generates DNA damage that is processed through the DNA repair pathways. In this study, we profiled key DNA repair proteins (single-strand-selective monofunctional uracil-DNA glyco...

journal_title：Antioxidants & redox signaling

authors： Abdel-Fatah T,Arora A,Gorguc I,Abbotts R,Beebeejaun S,Storr S,Mohan V,Hawkes C,Soomro I,Lobo DN,Parsons SL,Madhusudan S

更新日期：2013-06-20 00:00:00

abstract：:Endoplasmic reticulum (ER) stress induces an adaptive program called the unfolded protein response (UPR), which affects activity of an array of kinases and transcription factors. Previous reports provided evidence for activation of nuclear factor-kappaB (NF-kappaB), the major transcription factor regulating inflammato...

journal_title：Antioxidants & redox signaling

authors： Kitamura M

更新日期：2009-09-01 00:00:00

abstract：:The current societal environment is marked by overabundant accessibility of food coupled with a strong trend of reduced physical activity, both leading to the development of a constellation of disorders, including central obesity, insulin resistance, dyslipidemia, and hypertension (metabolic syndrome). Prolonged calor...

journal_title：Antioxidants & redox signaling

authors： Redman LM,Ravussin E

更新日期：2011-01-15 00:00:00

abstract：:From the initial discovery in 1999 that NADPH oxidases comprise a family of enzymes to our current focus on drug development to treat multiple pathologies related to this enzyme family, progress has been swift and impressive. We have expanded our understanding of the extent of the family, the basic enzymatic biochemis...

journal_title：Antioxidants & redox signaling

authors： San Martin A,Griendling KK

更新日期：2014-06-10 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：:Increased free radical generation and decreased efficiency of the reparative/degradative mechanisms both primarily contribute to age-related elevation in the level of oxidative stress and brain damage. Excess formation of reactive oxygen and nitrogen species can cause proteasomal dysfunction and protein overloading. T...

journal_title：Antioxidants & redox signaling

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

更新日期：2006-03-01 00:00:00

abstract：: Aims: Endothelial dysfunction appears in early diabetes mellitus partially because of epidermal growth factor receptor (EGFR) abnormal activation and downstream oxidative stress. The aim of this study was to determine whether Y396, a synthesized analog of rhynchophylline, ...

journal_title：Antioxidants & redox signaling

authors： Wang ZJ,Chang LL,Wu J,Pan HM,Zhang QY,Wang MJ,Xin XM,Luo SS,Chen JA,Gu XF,Guo W,Zhu YZ

更新日期：2020-04-10 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：: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：: Aims: Oxidative stress is causally linked to male reproductive pathologies, driven primarily by lipid peroxidation and an attendant production of highly reactive lipid aldehydes, such as 4-hydroxynonenal (4HNE) within the male germ line. In somatic cells, 4HNE dysregulates...

journal_title：Antioxidants & redox signaling

authors： Cafe SL,Nixon B,Dun MD,Roman SD,Bernstein IR,Bromfield EG

更新日期：2020-03-10 00:00:00

abstract：:Increasing evidence indicates that disequilibrium of the alveolar oxidant-antioxidant balance may play a role in the pathogenesis of chronic fibrosing lung diseases. Excessive production of oxidants and a differential regulation of antioxidant enzymes have been described under these conditions. We characterized for th...

journal_title：Antioxidants & redox signaling

authors： Markart P,Luboeinski T,Korfei M,Schmidt R,Wygrecka M,Mahavadi P,Mayer K,Wilhelm J,Seeger W,Guenther A,Ruppert C

更新日期：2009-02-01 00:00:00

abstract：SIGNIFICANCE:The therapeutic effects of current micellar and vesicular drug formulations are restricted by slow and inefficient drug release at the pathological site. The development of smart polymeric nanocarriers that release drugs upon arriving at the target site has received a tremendous amount of attention for can...

journal_title：Antioxidants & redox signaling

authors： Sun H,Meng F,Cheng R,Deng C,Zhong Z

更新日期：2014-08-10 00:00:00

abstract：:A model has been developed for the hemopexin receptor-mediated heme transport system based on iron uptake in yeast. Two steps are required: reduction followed by oxidation by a multi-copper-oxidase. Furthermore, in the hemopexin system, the surface redox events have been linked with gene regulation. The impermeable Cu...

journal_title：Antioxidants & redox signaling

authors： Sung L,Shibata M,Eskew JD,Shipulina N,Morales PJ,Smith A

更新日期：2000-01-01 00:00:00

abstract：: Significance: Genomic instability, a hallmark of cancer, renders cancer cells susceptible to genomic stress from both endogenous and exogenous origins, resulting in the increased tendency to accrue DNA damage, chromosomal instability, or aberrant DNA localization. Apart fr...

journal_title：Antioxidants & redox signaling

authors： Pu C,Tao S,Xu J,Huang M

更新日期：2020-12-04 00:00:00

abstract：:The ability of iron to accept or donate electrons, coupled with the ability of oxygen to act as an electron acceptor, renders both elements essential to normal cellular biology. However, these same chemical properties allow free iron in solution to generate toxic free radicals, particularly in combination with oxygen....

journal_title：Antioxidants & redox signaling

authors： Mole DR

更新日期：2010-04-01 00:00:00

abstract：:Hyperglycemia-induced overproduction of superoxide by mitochondrial electron-transport chain triggers several pathways of injury involved in the pathogenesis of diabetic complications [protein kinase C (PKC), hexosamine and polyol pathway fluxes, advanced glycation end product (AGE) formation] by inhibiting glyceralde...

journal_title：Antioxidants & redox signaling

authors： Pacher P,Szabó C

更新日期：2005-11-01 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:Chronic myeloid leukemia (CML) involves the malignant transformation of hematopoietic stem cells, defined largely by the Philadelphia chromosome and expression of the breakpoint cluster region-Abelson (BCR-ABL) oncoprotein. Pharmacological tyrosine kinase inhibitors (TKIs), including imatinib mesylate, hav...

journal_title：Antioxidants & redox signaling

authors： Tortorella SM,Hung A,Karagiannis TC

更新日期：2015-06-01 00:00:00

abstract：:Redox dysregulation originating from metabolic alterations and dependence on mitogenic and survival signaling through reactive oxygen species represents a specific vulnerability of malignant cells that can be selectively targeted by redox chemotherapeutics. This review will present an update on drug discovery, target ...

journal_title：Antioxidants & redox signaling

authors： Wondrak GT

更新日期：2009-12-01 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：:Glycerophospholipids represent a common class of lipids critically important for integrity of cellular membranes. Oxidation of esterified unsaturated fatty acids dramatically changes biological activities of phospholipids. Apart from impairment of their structural function, oxidation makes oxidized phospholipids (OxPL...

journal_title：Antioxidants & redox signaling

authors： Bochkov VN,Oskolkova OV,Birukov KG,Levonen AL,Binder CJ,Stöckl J

更新日期：2010-04-15 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：: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：:Hypoxia and its corollaries pose both negative and positive pressures to multicellular eukaryotes. Evolutionarily, life developed under hypoxia, and the building blocks were established under conditions close to anaerobiosis; therefore, reason exists to expect that certain biologic processes may perform preferentially...

journal_title：Antioxidants & redox signaling

authors： Webster KA

更新日期：2007-09-01 00:00:00