oxidative stress and oxidation damage in diabetes and its complications
báo cáo hóa học: " Biomarkers of oxidative stress and its association with the urinary reducing capacity in bus maintenance workers" pptx
... organism to particle-induced oxidative stress The observed increase of reducing species in urine would mirror an increased level in blood originating from a response to oxidative stress in the body monitored ... μmol/mol creatinine for 1-OHP, μg/g creatinine for 8OHdG, and μW/g creatinine for the reduced species Horizontal line in the box plot indicates the median, with 25 and 75% of the values being inside ... mechanism against oxidative stress [7] was verified by testing the correlation between levels of 8OHdG, reflecting oxidative stress, and the reducing capacity (corresponding to a defense against oxidative...
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Ambient particulate air pollution induces oxidative stress and alterations of mitochondria and gene expression in brown and white adipose tissues ppt
... long chain fatty acids (Elovl3), type iodothyronine deiondinase (Dio2), homeobox C9 (Hoxc9), insulin-like growth factor binding protein (Igfbp3), dermatopontin (Dpt), and b-actin are showed in Table ... standard deviation inflammatory response and IR development, were examined in mice As shown in Figure 3, PM 2.5 exposure induced a marked increase in macrophage (F4/80+ cells) infiltration in ... permeation in xylene and paraffin embedding Fivemicrometer-thick sections were deparaffinized and subjected to heat-induced antigen retrieval by incubation in Retrieve-all-1 unmasking solution...
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Báo cáo khoa học: Expression of CYP2E1 increases oxidative stress and induces apoptosis of cardiomyocytes in transgenic mice pdf
... mitochondria damage) (Figs and and Table 1) A number of studies have demonstrated that CYP2E1 is a loosely coupled enzyme, and can generate ROS and promote oxidative stress in cells during its catalytic ... longitudinal sections are shown in (A) (magnification ·20; scale bars = mm) The hemotoxylin and eosin-stained sections of the left ventricle are shown in (B) and Masson’s trichrome stained sections ... was mainly localized in microsomal compartments (ROS) [9] The overexpression of CYP2E1 both in vivo and in vitro is associated with several cellular markers of oxidative stress, including products...
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Báo cáo khoa học: Effect of oxidative stress and involvement of poly(ADP-ribose) polymerase (PARP) in Dictyostelium discoideum development doc
... have investigated the role of PARP in D discoideum development by inhibiting its activity with the known PARP inhibitor benzamide, and studied its effects on development and oxidative stressinduced ... significantly inhibited by mm benzamide (Fig 4A,B), confirming PARP activation in D discoideum under oxidative stress PARP inhibition during oxidative stress- induced growth changes in D discoideum ... 20 Oxidative stress induces PARP activation PARP activity in D discoideum was assayed at various time points (5, 10, 20 and 60 and h) after HA stress PARP activity was increased initially, and...
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Báo cáo khoa học: The silencing of adenine nucleotide translocase isoform 1 induces oxidative stress and programmed cell death in ADF human glioblastoma cells doc
... depletion induced no major changes in cell cycle and in mitochondria aspect and network, and suggest that ADF cells possess alternative mechanisms for providing mitochondria with ATP and maintaining ... rupture and were also negative to propidium iodide staining (data not shown), indicating that the plasma membrane is maintained intact, allowing us to exclude primary necrosis as the principal ... astrocytes and astrocytic tumors It has been reported that ANT1 levels are increased in reactive astrocytes [28] and that ANT2 levels are increased in glial cells and neurons during hypertonicity in...
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Báo cáo khoa học: Oxidative stress and apoptotic events during thermal stress in the symbiotic sea anemone, Anemonia viridis potx
... established in vertebrates [27] Increases in ROS are the consequence of electron transport chain impairments, principally in mitochondria and chloroplasts and can directly and ⁄ or indirectly ... Apoptosis and oxidative stress in bleaching S Richier et al stress in the animal host and its time course of appearance While symbiotic sea anemones seem to be more resistant to thermal stress than ... contains highly conserved LS ⁄ THG and QACXG sequences surrounding histine (His255) and cysteine (Cys294) residues of putative active site The substrate binding site is highly conserved and composed...
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Báo cáo khoa học: " Induction of oxidative stress and lipid peroxidation in rats chronically exposed to cypermethrin through dermal application" pps
... significantly reduced (p ＜ 0.05) in all groups compared to the control group Similar finding have been reported in other study during oxidative stress [24] No significant changes in GST activity was seen ... function and dysfunction in the cell: its relevance to aging and aging-related disease Int J Biochem Cell Biol 2002, 34, 1372-1381 Ohkawa H, Ohishi N, Yagi K Assay for lipid peroxides in animal ... levels indicates a decrease in the tissues’ ability to handle excessive free radicals [2] However, an increase in catalase activity enhances the scavenging ability of erythrocytes to handle the...
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Báo cáo y học: " Differential effects of cigarette smoke on oxidative stress and proinflammatory cytokine release in primary human airway epithelial cells and in a variety of transformed alveolar epithelial cells" potx
... brightly stained with ethidium bromide and appeared red Percentage of viable (white bars), apoptotic (grey bars) and necrotic/late apoptotic (black bars) determined by counting as described in Materials ... changes in response to CSE and lost their characteristic spindle-shaped morphology as is evident from figs c and d SAEC were shown to be more sensitive to CSE compared to transformed cell lines ... 0.01, and §p < 0.001 compared with control group L = Live; A = Apoptosis; N = Necrosis References Kode A, Yang SR, Rahman I: Differential effects of cigarette smoke on oxidative stress and proinflammatory...
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Báo cáo y học: " Differential effects of cigarette smoke on oxidative stress and proinflammatory cytokine release in primary human airway epithelial cells and in a variety of transformed alveolar epithelial cells" pps
... Ergothioneine inhibits oxidative stress- and TNF-alphainduced NF-kappa B activation and interleukin-8 release in alveolar epithelial cells Biochem Biophys Res Commun 2003, 302:860-864 Martin D, Leonardo ... and proinflammatory cytokines (interleukin8 and interleukin-6) assays Cell lysates were prepared for GSH and 4-HNE assays Similarly, the epithelial cells were grown in 8-well chamber slides and ... recombinant epidermal growth factor (EGF), 0.5 μg/ml epinephrine, 10 μg/ml transferrin, μg/ml insulin, 0.1 ng/ml retinoic acid (RA), 6.5 ng/ml triiodothyronine, 50 μg/ml Gentamicin/Amphotericin-B...
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Báo cáo y học: "Successful tumour necrosis factor (TNF) blocking therapy suppresses oxidative stress and hypoxiainduced mitochondrial mutagenesis in inflammatory arthritis" pot
... temperature for 20 minutes, fixed in acetone for 10 minutes and washed in PBS for minutes Non-specific binding was blocked using 10% casein in PBS for 20 minutes The sections were incubated with primary ... visualise staining, and Mayer’s haematoxylin (BDH Laboratories, Poole, UK) was incubated for 30 seconds as a counterstain prior to mounting in Pertex mounting media Images were captured using Olympus ... significant baseline inverse correlation between tpO2 measurements and 4HNE expression [20] In this study we extend these findings and demonstrate that change in tpO is also significantly and inversely...
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Báo cáo y học: "Boswellic acids extract attenuates pulmonary fibrosis induced by bleomycin and oxidative stress from gamma irradiation in rats" doc
... cancer and can cause pulmonary fibrosis as a complication, has been used in research to induce pulmonary fibrosis in mice and rats and produce an oxidative injury resulting in DNA damage and the ... status in rats with lung fibrosis Oxidative stress and inflammation are related In the initial inflammation, immune cells migrate to inflammatory sites and release various proinflammatory cytokines ... inflammatory responses following BL administration were attenuated by BA administration An increased eosinophil number in BALF was reported following intratracheal BL administration, suggesting...
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Tài liệu OXIDATIVE STRESS AND DISEASES pptx
... serine-326 in the protein is flanked by positively charged amino acid residues, lysine and arginine, from N-terminus and arginine and histidine from C-terminus (Bravard et al 2009) Such amino ... Catalase inhibition by amino triazole induces oxidative stress in goldfish brain, Brain Research, Vol 1052, No 2, pp 180-186 8 Oxidative Stress and Diseases Burcham, P.C & Kuhan, Y.T (1996) Introduction ... described the functioning of blood-retinal barrier in detail, how it is impacted by ROS and retinal vein occlusion induced by the inhibitor of a mitogen-activated protein kinase kinase The section...
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Báo cáo sinh học: "Adipose-Derived Mesenchymal Stem Cell Protects Kidneys against Ischemia-Reperfusion Injury through Suppressing Oxidative Stress and Inflammatory Reaction" ppt
... for estimating daily urine volume and measuring the ratio of urine protein to urine creatinine excretion Quantification of urine protein, BUN, and creatinine level was performed using standard laboratory ... and creatinine, urine amount, and the ratio of urine protein to creatinine Serum levels of blood urea nitrogen (BUN) and creatinine and the ratio of urine protein to creatinine in three groups ... Creatinine and BUN, Urine Amount and the Ratio of Urine Protein to Creatinine after IR Procedure Three time points (i.e 24 h, 72 h, and day 14 after the IR procedure) were chosen for determining...
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Hypersensitivity to cell death under glucose starvation involves oxidative stress and AMPK instability
... mitogen-activated protein kinase kinase kinase 7, MEKK7 MAP/microtubule affinity-regulating kinase mitogen-activated protein kinase kinase mitogen-activated protein kinase kinase kinase 7, MAP3K7 N-(benzyloxycarbonyl)leucinylleucinylleucinal ... serine salt-inducible kinase 1/2/3 SNF (sucrose non-fermenting protein)-related serine/threonine-protein kinase Sterile 20 serine/threonine kinase 11 STE20-related adaptor protein transforming ... ATP adenosine triphosphate BAF bafilomycin BRSK1/2 brain-specific serine/threonine-protein kinase 1/2 BSA bovine serum albumin CaMKK2/CaMKKβ Ca2+/calmodulin-activated protein kinase kinases CBM...
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Tài liệu Báo cáo khoa học: Intralysosomal iron chelation protects against oxidative stress-induced cellular damage doc
... stress- induced mitochondrial and cellular damage when present in low concentrations during the oxidative stress period [15,33] sih was rst synthesized in 1953 [34] and its iron binding ability was demonstrated ... isonicotinoyl hydra- Oxidative stress and intralysosomal iron zone, systematic name: NÂ-[(1Z)-(2-hydroxyphenyl) methylene]isonicotinohydrazide) fully protects against oxidative stress- induced ... after end of the oxidative stress period (0 h) and again after return to standard culture conditions for another 12 and 24 h, cells were xed in 4% formaldehyde in NaCl Pi and counted in ve predened...
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Báo cáo khoa học: Exogenous oxidative stress induces Ca2+ release in the yeast Saccharomyces cerevisiae potx
... calmodulin, which can bind and activate calcineurin; this inhibits, at the post-transcriptional level, the function of Vcx1p [11,15,16] and induces the expression of PMC1 and PMR1 genes via activation ... cell lines for studying the effect of oxidative stress on the eukaryotic cells and also an interesting model for studying antioxidants in vivo [21–28] Living in an oxidant-rich medium under natural ... are exposed to H2O2 can result in calcineurin-dependent Yap1p degradation and hence sensitivity to oxidants, cells lacking functional calcineurin should gain a certain tolerance to H2O2 To check...
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Báo cáo y học: "Dermatology for the practicing allergist: Tinea pedis and its complications" doc
... Prednisone, Quinidine, Rifabutin, Rifampin, Sildenafil, Simvastatin, Sirolimus, Tacrolimus, Theophylline, Trizolam, Warfarin, Zidovudine Terbinafine: Cimetidine, Cyclosporine, Nortriptyline, Rifampin, ... These clinical syndromes are discussed in greater detail in the following sections Interdigital-type tinea pedis Interdigital tinea pedis is the most common form and usually manifests in the interspace ... (45%) and enterobacteriaceae (35%) These Figure and fourth tinea Interdigital digits pedis affecting the space between the third Interdigital tinea pedis affecting the space between the third and...
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Báo cáo khoa học: Photodynamic treatment and H2O2-induced oxidative stress result in different patterns of cellular protein oxidation ppt
... are shown in (A) and (B) Silver staining is shown in (C) and (D) in blue superimposed with the spots of oxidized proteins shown in red Protein labels: 1, a-tubulin; 2, b-tubulin; 3, actin; 4, PDI; ... modifications in the functional damage to tubulin Interestingly, for the two modes of oxidative stress (PDT and H2O2 treatment), the relationships between overall protein oxidation and cell death ... (1997) Protein oxidation in aging, disease, and oxidative stress J Biol Chem 272, 20313–20316 Heinecke, J.W., Li, W., Daehnke, H.L 3rd & Goldstein, J.A (1993) Dityrosine, a specific marker of oxidation, ...
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Báo cáo y học: "NITRIC OXIDE (NO), CITRULLINE – NO CYCLE ENZYMES, GLUTAMINE SYNTHETASE AND OXIDATIVE STRESS IN ANOXIA (HYPOBARIC HYPOXIA) AND REPERFUSION IN RAT BRAIN"
... recycled to arginine by successive actions of argininosuccinate synthetase (AS; EC 6.3.4.5) and argininosuccinate lyase (AL; EC 4.3.2.1) via the citrulline-NO cycle (18) Arginine in brain is also utilized ... AL and arginase in the study AS and AL activities increased in all the three brain regions significantly in anoxia suggesting an increased utilization of citrulline for the production of arginine ... (hypobaric hypoxia) and reperfusion damage in brain The increased activities of AS and AL indicate the effective recycling of citrulline to arginine and suggest a functional role to citrulline –NO cycle...
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