reactive oxygen species and antioxidant systems in periodontal disease
báo cáo khoa học: " Reactive oxygen species and transcript analysis upon excess light treatment in wild-type Arabidopsis thaliana vs a photosensitive mutant lacking zeaxanthin and lutein" pps
Ngày tải lên :
11/08/2014, 11:22
... key role in fulfilling the increased demand for protein import into the chloroplast during photo-oxidative stress, reflecting the higher rate of protein damage and turnover, by co-ordinately up-regulating ... reports showing that thioredoxins are protective proteins that maintain the cellular redox environment [106] Others are involved in chlorophyll catabolism (At4g22920 and At5g13800), and their induction ... up-regulated following infection with Pseudomonas DC3000 (avrRpm1) [88], 292 were also detected in the flu and npq1lut2 transcriptomes with 267 induced in flu and only 69 in npq1lut2 (resulting in a far...
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báo cáo khoa học: " Differential patterns of reactive oxygen species and antioxidative mechanisms during atrazine injury and sucrose-induced tolerance in Arabidopsis thaliana plantlets" ppsx
Ngày tải lên :
12/08/2014, 03:20
... family protein Thioredoxin family protein Thioredoxin family protein Thioredoxin family protein Thioredoxin family protein Thioredoxin H-type (TRX-H-3) (GIF1) Thioredoxin family protein No classification ... Detection and quantification of singlet oxygen (1O2) were performed with the specific Singlet Oxygen Sensor Green® reagent [31] For atrazine-containing treatments (MA and SA), green fluorescence indicating ... combined effects of sucrose and atrazine This strongly suggested important interactions of sucrose and xenobiotic signalling or of sucrose and ROS signalling, thus resulting in induction of specific...
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Báo cáo khoa học: Antioxidant defences and homeostasis of reactive oxygen species in different human mitochondrial DNA-depleted cell lines pot
Ngày tải lên :
16/03/2014, 18:20
... enzymatic and soluble intracellular antioxidant defences but not ROS flux in the studied q0 cells, and that there are cell line-to-cell line variations in intracellular antioxidant defences and ROS ... were incubated in NaCl/Pi for 90 min, the intracellular fluorescence signal dramatically increased in all cases (Fig 9, Table 1) The increases, in comparison to the signals observed in standard ... expression and protein content of SOD (Figs 3–5) Antioxidant defences of q0 cell lines GSH-GSSG and GR We measured GSH and GSSG in exponentially growing cells, as GSH content changes in the growth and...
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Báo cáo y học: " Helicobacter pylori induces mitochondrial DNA mutation and reactive oxygen species level in AGS cells"
Ngày tải lên :
25/10/2012, 11:18
... Medicine 57 Reagents F12 culture medium (Hangzhou Jino Biology Co., Ltd China), fetal bovine serum (FBS), ampicillin, penicillin and streptomycin (Shanghai Bio-engineering Co., Ltd China), brain ... with continuous shaking E coli were maintained in the LB liquid medium (containing 100 µg/ml ampicillin) at 37°C for 12 h with continuous shaking Preparation of Hp and E.coli extract The Hp and E ... Vacuolating cytotoxin in Helicobacter pylori water-soluble proteins upregulates chemokine expression in human eosinophils via Ca2+ influx, mitochondrial reactive oxygen intermediates, and NF-κB...
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Báo cáo khoa học: Neuroglobin and cytoglobin expression in mice Evidence for a correlation with reactive oxygen species scavenging doc
Ngày tải lên :
23/03/2014, 09:21
... Betts DM & Grozdanic S (2006) Neuroglobin and cytoglobin: oxygen- binding proteins in retinal neurons Invest Ophthalmol Vis Sci 47, 1016–1023 Stein I, Itin A, Einat P, Skaliter R, Grossman Z & Keshet ... hypoxia-inducible factor (HIF)-1a and upregulation of Cygb mRNA, and hypothesized that Cygb (and Ngb) may have a vital role in retinal oxygen homeostasis, enabling the retina to sustain longer ... hypoxia [15] and thus more tolerant to higher H2O2 levels For brain and eyes, there was a gradual increase in the amount of H2O2 after hypoxia and reoxygenation In heart, muscle and liver, the...
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Báo cáo y học: "Reactive oxygen species induce expression of vascular endothelial growth factor in chondrocytes and human articular cartilage explants" pps
Ngày tải lên :
09/08/2014, 08:23
... penicillin G, 100 μg/ml streptomycin and 0.25 μg/ml amphotericin B After reaching 80% confluence, the cells were rinsed twice with HANK's solution and placed in serum-free medium, containing 0.05% ... participating in these processes, especially the surrounding synovial tissue This reflects the findings of Felson and coworkers [27], who declared OA to be a disease involving the whole joint In summary, ... radicals, the term 'reactive oxygen species' (ROS) has prevailed, although ROS can be differentiated into reactive nitrogen species and other oxidant species The relationship between ROS and articular...
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Báo cáo y học: " Reduced levels of reactive oxygen species correlate with inhibition of apoptosis, rise in thioredoxin expression and increased bovine leukemia virus proviral loads" potx
Ngày tải lên :
12/08/2014, 23:22
... François Debande and André Théwis for support in animal housing facilities, Michèle Nuttings and Daniel Portetelle for providing monoclonal antibodies and Vincenzo Ciminale for helpful comments and critiques ... scavenging mechanism conferring a reducing environment and interfering with apoptosis of the infected cell Finally, it is noteworthy that resistance to oxidative stress ex vivo correlates with increased ... these kinetic experiments are useful to explain the accumulation of infected cells in vivo, further understanding of BLVinduced pathogenesis requires dissection of metabolic pathways in vitro In...
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Báo cáo y học: "Endogenous TGF-β activation by reactive oxygen species is key to Foxp3 induction in TCR-stimulated and HIV-1-infected human CD4+CD25- T cells" docx
Ngày tải lên :
13/08/2014, 05:22
... unexpected finding that HIV infection results in an increase in Foxp3 expression in TCR activated CD25- T cells compared to those without HIV infection uncovers a link between HIV infection and induction ... for the indicated time points and then intracellular ROS was stained with DHE The mean fluorescence intensity (MFI) of DHE in a single cell was measured with FACS A aliquot of cells was stained ... DHE staining) on FL2, which is usually < 10 C The profile of Annexin-V vs 7-AAD staining of cultured cells compensating the R1 and R2 regions as gated in A The quadrant gates were set according...
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Tài liệu Báo cáo khoa học: Autophagy inhibits reactive oxygen species-mediated apoptosis via activating p38-nuclear factor-kappa B survival pathways in oridonin-treated murine fibrosarcoma L929 cells doc
Ngày tải lên :
18/02/2014, 13:20
... monodansylcadaverine (MDC) staining and GFP-LC3 distribution As shown in Fig 7B,C, control cells presented diffused staining, and oridonin treatment resulted in extensive punctuate MDC staining pattern and ... rapid and persistent increase in intracellular ROS generation after oridonin exposure NAC pretreatment resulted in the complete inhibition of oridonin-induced apoptosis, indicating that oridonin-induced ... reduced oridonin-induced autophagy, and oridonin-induced Beclin activation was inhibited by p65 siRNA, indicating that NF-jB promoted oridonin-induced L929 cell autophagy Oridonin treatment led...
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Báo cáo khoa học: Structure, regulation and evolution of Nox-family NADPH oxidases that produce reactive oxygen species pptx
Ngày tải lên :
16/03/2014, 06:20
... regulation and evolution of Nox Fig 12 Lipid-binding sites in the p47phox PX domain Residues in the phosphoinositide-binding and second anion-binding pockets are shown in blue The sulfates bound in the ... p67phox and Noxa1 in mammals, and NoxR in fungi Thus, it is worth testing whether proteins carrying a Rac-binding TPR domain but not an activation domain, like those found in the ascidian Ci intestinalis ... protein contains two sets of the p67phox core cassette, comprising the Rac-binding TPR domain and activation domain (Fig 17): the sequences of the Racbinding insert region and the activation domain...
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Báo cáo khoa học: Is there more to aging than mitochondrial DNA and reactive oxygen species? pot
Ngày tải lên :
29/03/2014, 22:21
... APE, apurinic ⁄ apyrimidinic endonuclease APE ⁄ Ref1; SSB and DSB, single-strand break and double-strand break, respectively ase, may aid in the generation of abasic sites and single-strand breaks ... Potential interactions between mtDNA repair and degradation pathways ROS induce both single-strand and double-strand breaks in mtDNA, as well as abasic (AP) sites and base damage Both base damage and ... phenotypes, including increased sensitivity to paraquat and increased oxidative damage to proteins in wild-type worms, but not in long-lived daf-2 mutants In fact, sod-1 knockdown increased the...
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báo cáo hóa học:" Airborne particulate matter PM2.5 from Mexico City affects the generation of reactive oxygen species by blood neutrophils from asthmatics: an in vitro approach" docx
Ngày tải lên :
20/06/2014, 00:20
... Medicine and Toxicology 2009, 4:17 Figure by neutrophils in contact with PM2.5 In vitro generation of reactive oxygen and nitrogen species In vitro generation of reactive oxygen and nitrogen species ... Grenfell AM, Hicks JJ: Reactive Oxygen Species (ROS) induce chemical and structural changes on human insulin in vitro, including alterations in its immunoreactivity Frontiers in bioscience 2005, ... as Fe and Cu [32-34]; other groups emphasize that organic and black carbon components found mainly in ultra-fine particles confer greater in vivo and in vitro toxicity than fine particles, and...
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báo cáo khoa học: "Reactive oxygen species-mediated apoptosis contributes to chemosensitization effect of saikosaponins on cisplatin-induced cytotoxicity in cancer cells" pdf
Ngày tải lên :
10/08/2014, 10:20
... annexin V-FITC and propidium iodide (PI) following manufacturer’s instruction Early apoptosis is defined by Annexin V+/PI- staining (Q4) and late apoptosis is defined by Annexin V + /PI + staining ... as indicated in (A), and then stained with annexin V and PI followed by flow cytometry analysis Early apoptosis is defined by Annexin V+/PIstaining (Q4) and late apoptosis is defined by Annexin ... described in (A) induced by saikosaponin and cisplatin co-treatment, we first detect morphological changes in saikosaponin and cisplatin-cotreated HeLa cells by acridine orange/ethidium bromide staining...
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Bone Metabolism: The Role of STAT3 and Reactive Oxygen Species
Ngày tải lên :
24/08/2014, 12:59
... hours in a saline bath, and mechanical testing was conducted by threepoint bending using a microforce testing machine (Vitrodyne V1000; Liveco, Inc., Burlington, VT) Loads were applied in the ... processes in bone: modeling and remodeling Bone modeling occurs when bone formation and resorption occur on separate surfaces, is responsible for gain in skeletal mass, and occurs mainly during growth ... which interacts with RANK ligand (RANKL); RANKL is expressed on several cell types, including osteoblasts The cytokines interleukin (IL6) and IL11 have been shown to increase osteoclastogenesis and, ...
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A study to investigate the involvement of nadph oxidase 5 (NOX5) in resveratrol (RSV) induced reactive oxygen species (ROS) production in u937 cells
Ngày tải lên :
26/09/2015, 10:44
... are then directly involved in the ‘killing’ process by damaging cellular structures and/ or indirectly involved via activating release of cytokines and pro-inflammatory signaling pathways (Maloney ... such as Cyclin D and p21 that are involved in regulating cell growth 2) Pro-apoptotic proteins such as Bax, Fas and Noxa 3) Cytokines such as Interleukin-6( IL6), IL-1 and TNF-α and 4) Cell adhesion ... cell is maintained and determined by the levels of pro-oxidant species like ROS and presence of antioxidant systems (Halliwell, 2007; Pervaiz and Clement, 2007) Some of the antioxidant systems...
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Role of neutrophil NADPH oxidase derived reactive oxygen species (ROS) in innate immune responses
Ngày tải lên :
21/05/2016, 22:38
... These involve interactions between (a) selectins and selectin ligands, (b) chemokines and chemokine receptors and (c) integrin and integrin ligands (Springer 1994) These three sets of interactions ... 2009) In these ways the sentinel cells are activated and this activation quickly results in their producing and releasing inflammatory mediators which are centrally involved in recruiting innate ... dissertation Introduction INTRODUCTION Innate immune surveillance The innate immune system provides a first line of active defence against infection and is centrally involved in initiating tissue...
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Children’s Health Deficits due to Diarrhoea: Effects of Water Supply and Sanitation Systems in Slums with Different Water Logging Conditions
Ngày tải lên :
05/09/2013, 10:15
... defecating in open field Households with children defecating in room Households with children defecating in verandah Households with children defecating in latrine defecating in latrine Households ... LMK PDL PHS PSM NCD Hand washing with soap before eating Hand washing without soap before eating No hand washing before eating Hand washing after defecation with soap Hand washing after defecation ... persistent and non-inundation) and types of inundation (rainy, stagnant-water, heavy-rainy, monsoon-flood and drainage-water inundations) Ten subdistricts were selected by integrating information...
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Integration of energy and environmental systems in wastewater treatment plants
Ngày tải lên :
05/09/2013, 15:28
... Science and Technology She received her B.S in Industrial Engineering from North Carolina State University, Master of Engineering in Mechanical Engineering and Master of Business Administration ... Engineering Management and Systems Engineering, Missouri University of Science and Technology Prior to joining Missouri S&T she was an Assistant Professor in the Departments of Management and ... odor and maintains the chemical oxygen demand and biological oxygen demand levels No disinfection process is run in this plant After the oxidation process, the effluent is directly discharged into...
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Relay Attacks on Passive Keyless Entry and Start Systems in Modern Cars pdf
Ngày tải lên :
07/03/2014, 11:20
... distance bounding In Proc of the Workshop on Positioning, Navigation and Communication (WPNC), 2010 [28] J.-Y Lee and R Scholtz Ranging in a Dense Multipath Environment Using an UWB Radio Link IEEE ... on PKES systems Common Scenario: Parking Lot In this scenario, the attackers can install their relay setup in an underground parking, placing one relay antenna close to the passage point (a corridor, ... 2006 G P Hancke and M G Kuhn An RFID distance bounding protocol In SecureComm ’05: Proceedings of the First International Conference on Security and Privacy for Emerging Areas in Communications...
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