role of oxidative stress in pathogenesis of diabetic nephropathy
Tài liệu Báo cáo khoa học: Role of Kupffer cells in pathogenesis of sepsis-induced drug metabolizing dysfunction pptx
... [22]. ROS indirectly reduced the activity of selected isoforms of CYP by inducing phosphorylation of the isoforms [23]. Activated KCs cause oxidative stress on the surrounding tissue, releasing large amounts ... signaling is independent of Toll-interleukin 1 receptor domain-containing adaptor protein. Drug Metab Dispos 36, 95–101. 10 Ghose R, Guo T & Haque N (2009) Regulation of gene expression of hepatic ... levels remained decreased. There is evidence showing that oxidative stress contrib- utes to the inhibition of CYP activity observed in the absence of changes in protein expression in rabbit he- patocytes...
Ngày tải lên: 14/02/2014, 18:20
Báo cáo khoa học: Effect of oxidative stress and involvement of poly(ADP-ribose) polymerase (PARP) in Dictyostelium discoideum development doc
... oxidative stress- induced changes in D. discoideum development. Interestingly, oxidative stress resulted in PARP activation within 5 min that was inhibited by benzamide. Oxidative stress- induced ... to oxidative stress and the role of PARP during development. We used hydroxylamine (HA) to induce in situ generation of H 2 O 2 and monitored the effect of benzamide, a PARP inhibitor, on oxidative ... an important role under oxidative stress [21]; however, there is no report on the role of PARP in D. discoideum development. We have investigated the role of PARP in D. discoideum development by inhibiting...
Ngày tải lên: 23/03/2014, 07:20
báo cáo hóa học: " The microglial NADPH oxidase complex as a source of oxidative stress in Alzheimer''''s disease" ppt
... use of vitamin E and vitamin C in combi- nation reduced the prevalence and incidence of AD in an elderly population; however, the use of either of these vitamins alone had no effect [110]. Finally, ... complex leads to the initiation of complex signaling events leading to protein tyrosine phosphorylation and activation of the src-family kinases Lyn and Fyn as well as the tyrosine kinase Syk [30,32,52]. ... inhibition of phosphati- dylinositol-3 kinase (PI3K) attenuates ROS production. These findings suggest that these kinases are involved in upstream signaling cascades responsible for activating NADPH...
Ngày tải lên: 19/06/2014, 22:20
Báo cáo khoa học: Improvement of a monopartite ecdysone receptor gene switch and demonstration of its utility in regulation of transgene expression in plants pdf
... Fold induction values (B,D) shown were calculated by dividing RLUặlg )1 protein in the presence of ligand with RLUặlg )1 protein in the absence of ligand. V. S. Tavva et al. Improvement of EcR ... ligand binding pocket of ecdysone receptor: a single amino acid change leads to discrimination between two groups of nonsteroidal ecdysone agonists. J Biol Chem 279, 27211–27218. 37 Dinkins RD, ... of a versatile system for the expression of foreign genes in plants. Gene 61, 1–11. 44 Tavva VS, Collins GB & Dinkins RD (2006) Targeted overexpression of the Escherichia coli MinC protein...
Ngày tải lên: 16/03/2014, 06:20
yale university press in pursuit of ancient pasts a history of classical archaeology in the nineteenth and twentieth centuries oct 2006
Ngày tải lên: 11/06/2014, 12:46
báo cáo hóa học:" Clinical report of cervical arthroplasty in management of spondylotic myelopathy in Chinese" pot
... 1966, 357(suppl):154-159. 7. Goffin : Proceedings of the Annual Meeting of the Spinal Arthroplasty Soci- ety, May 2002, Montpellier, France . 8. Sekhon LH: Cervical arthroplasty in the management of spondylotic ... been illuminated recently [1,2]. A reduction in range of motion and increasing stress at adjacent levels are commonly accepted as pitfalls of fusion surgery. Motion in the cervical spine occurs ... Jackowski A, Adams MA: Internal stress distribution in cervical intervertebral discs: the influence of an artificial cervical joint and simulated anterior interbody fusion. J Spinal Disord Tech 2003,...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps
... 0.6/0.8 Mountain ash 0 0.2 0.4 0.6 0.8 1.0 0.2/04 0.2/06 0.2/0.8 0.4/0.6 0.4/0.8 0.6/0.8 Cutting-points on main stem Cutting-points on main stem Fig. 10. Coefficient of variation (n = 1) of the target ... Deletion of great sized segments yielded higher precision in almost all cases. Stratification of the crown was not generally successful in terms of a reduction of sampling errors. Only in combination ... 2003). (In the fol- lowing, we write q i instead of q 1 , q ij instead of q 2 , and so on, in order to indicate the units selected on each stage: unit i on stage 1, unit j on stage 2 within the...
Ngày tải lên: 07/08/2014, 03:22
Tài liệu Báo cáo khoa học: Enhancement of oxidative stress-induced apoptosis by Hsp105a in mouse embryonal F9 cells pptx
... important role in protection of neuronal cells against stress- induced apoptosis [26]. In accordance with these findings, ischemia/reperfusion in the rat forebrain induces the expression of HSP105/110 ... activation of p38 induced by oxidative stress, we further examined whether its activation is responsible for the induction of apoptosis in F9 cells using SB202190, a potent inhibitor of p38. As shown in ... mitogen-activated protein kinase (p38). Furthermore, oxidative stress- induced apoptosis was suppressed by SB202190, a potent inhibitor of p38, in F9 cells. These findings indicated that the activation of p38...
Ngày tải lên: 21/02/2014, 03:20
Ambient particulate air pollution induces oxidative stress and alterations of mitochondria and gene expression in brown and white adipose tissues ppt
... 8:20 http://www.particleandfibretoxicology.com/content/8/1/20 Page 8 of 14 inflammatory response and IR development, were exam- ined in mice. As shown in Figure 3, PM 2.5 exposure induced a marked increase in macroph age (F4/80 + cells) infiltration in eWAT. ... effect of ambient PM 2.5 onWATandBATspecificgenesin different adipose depots. There are several major find- ings in this study. First, exposure to PM 2.5 resulted in oxidative stress in BAT. ... expression in iBAT (Relative to FA) FA PM 2.5 A B Figure 4 Immunohistochemical examination of uncoupling protein 1 (UCP1) in the iBAT. A. iBAT was stained by antibody against UCP1 and counterstained...
Ngày tải lên: 06/03/2014, 19:20
Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf
... depolarization of in situ mitochondria by oxidative stress parallels a decrease in NAD(P)H level in nerve terminals. Neurochem Int 36, 483–488. 61 Chinopoulos C & Adam-Vizi V (1999) Depolarization of in ... imposing a continuous load of calcium to the neuron. The turning point upon which the cell looses the ability to buffer the incoming calcium resulting in an abrupt, sustained and irreversible increase ... element binding protein, iso- citrate dehydrogenase is an RNA-binding protein, while kgd2p is a mitochondrial DNA binding protein [81–84]. Mitochondria from different brain regions contain different...
Ngày tải lên: 07/03/2014, 12:20
The role of sentence stress in enhancing english speaking competence of HPU english majors
... you. 8. The role of sentence stress in enhancing English speaking competence. Sentence stress is the governing stress in connected speech. All words have their individual stress in isolation. ... 1997:190). 27 The pattern of stress in this sentence is stressed – unstressed – stressed – unstressed – stressed – unstressed, with equal number of alternating stressed and unstressed syllables. ... must distinguish between four levels of stress: major sentence stress, major word stress, minor word stress and unstressed. Thus, in the sentence: “I walked home in the rainstorm”. ‗I‘, in ,...
Ngày tải lên: 17/03/2014, 16:12
Báo cáo hóa học: " Oxidative stress in NSC-741909-induced apoptosis of cancer cells" potx
... cell activity of several LOX inhibitors, including aesculetin (a nonselective LOX inhibitor), MK886 (an inhibitor of the 5-LOX-activating protein), zileuton (a 5-LOX inhibitor), baicalein (a 12/15-LOX inhibitor), ... apoptosis. In fact, ROS-induced oxidative stress and cell death play important roles in the efficacy of many antineoplastic agents [13,14]. To investigate whether oxidative stress is involved in the ... treatment of H460 cells with 1 μM of NSC- 741909 induced cluster formation of MKP1 and MKP7 at all time points examined (2 - 8 h after the treatment) (Fig. 1A, B), suggesting that oxidative stress...
Ngày tải lên: 18/06/2014, 16:20
báo cáo hóa học: " Brain inflammation and oxidative stress in a transgenic mouse model of Alzheimer-like brain amyloidosis" pptx
... implicating both oxidative stress and inflammatory mechanisms in AD pathogenesis. Effect of indomethacin plus vitamin E supplementation on sol-uble Aβ levelsFigure 3 Effect of indomethacin plus ... that a full dose of indomethacin alone despite a significant reduction in brain inflammation had only a marginal effect on brain oxidative stress in the Tg2576 mice [16]. This finding sug- gests ... brain sections from mice on placebo or receiving indomethacin plus vitamin EFigure 6 Representative pictures of brain sections from mice on placebo or receiving indomethacin plus vitamin E. Indomethacin Vitamin...
Ngày tải lên: 19/06/2014, 22:20
báo cáo hóa học: " Biomarkers of oxidative stress and its association with the urinary reducing capacity in bus maintenance workers" pptx
... response of the organism to particle-induced oxida- tive stress. The observed increase of reducing species in urine would mirror an increased level in blood originat- ing from a response to oxidative ... only 10% of urate is excreted in the urine (the remaining 90% being recirculated by the renal system [3]), an increase of this antioxidant in blood will also lead to an increase in urine. The ... been reported to increase the serum levels of uric acid in North Carolina police officers [4]. A similar increase of plasma antioxidants in response to an increased oxid a- tive stress was observed in newborns...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo khoa học: "Comparative study of PM2.5 - and PM10 - induced oxidative stress in rat lung epithelial cells" pptx
... PM10 suggesting that PM2.5 induced more oxidative stress than PM10. In the single strand breakage assay using pBR322 DNA, the ratio of changed form II/total plasmid DNA (form F ig. 10. RT-PCR analysis of ... analysis of Nrf-2 No remarkable change of expression level in Nrf-2, proteins related with many transcriptional and anti -oxidative stress enzyme, was observed in the groups of three concentration of ... Expression of Nrf2 protein in the PM2.5 - and PM10 - t reated rat lung epithelial cell was determined by Weste rn B lotting. The lower shows the ratio of Nrf2/actin usi ng c alculatging by densitometor....
Ngày tải lên: 07/08/2014, 17:22