role of oxidative stress
Tài liệu Báo cáo khoa học: Enhancement of oxidative stress-induced apoptosis by Hsp105a in mouse embryonal F9 cells pptx
... rate and differentiation of F9 cells were not affected by the over-expression of Hsp105a, the sensitivity of cells to oxidative stress wasenhanced by the over-expression of Hsp105a,andthesefindings ... over-expression of Hsp105a seemed toenhance the release of cytochrome c from mitochondria inF9 cells by hydrogen peroxide.Fig. 3. Enhancement of oxidative stress- induced apoptosis by over-expression of ... apoptosis at orupstream of cytochrome c release from mitochondria.Furthermore, the transmission of signals from externalstresses is accompanied by the activation of a family of stress- activated protein...
- 9
- 366
- 0
The effects of oxidative stress on female reproduction: a review ppt
... Agarwal A, Krajcir N, Alvarez JG: Role of oxidative stress inendometriosis. Reprod Biomed Online 2006, 13:126–134.22. Agarwal A, Gupta S, Sharma RK: Role of oxidative stress in femalereproduction. ... toxins: pervasive theme of oxidative stress and electron transfer. Curr Med Chem 2001, 8:863–892.323. Kovacic P, Sacman A, Wu-Weis M: Nephrotoxins: widespread role of oxidative stress and electron ... CM, Gupta S, Agarwal A: Could oxidative stress influence thein-vitro maturation of oocytes? Reprod Biomed Online 2009, 18:864–880.383. Sikka SC: Role of oxidative stress response elements and...
- 31
- 1,719
- 0
The role of sentence stress in enhancing english speaking competence of HPU english majors
... 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. ... frequency usage of English sentence stress The chart below shows 13 of them (32.5%) indicate that they never use sentence stress while speaking. Some of them about 12.5% often use sentence stress in ... Misunderstanding of meaning caused by wrong placement of stress 49 2.2. Misunderstanding of meaning caused by changes in sentence stress. 50 2.3. Communication breakdown caused by wrong use of stress...
- 57
- 636
- 0
Báo cáo khoa học: Role of Acinetobacter calcoaceticus 3,4-dihydrocoumarin hydrolase in oxidative stress defence against peroxoacids Kohsuke Honda, Michihiko Kataoka, Eiji Sakuradani and Sakayu Shimizu doc
... boxes.Ó FEBS 2003 Role of 3,4-dihydrocoumarin hydrolase of Acinetobacter (Eur. J. Biochem. 270) 491 Role of Acinetobacter calcoaceticus3,4-dihydrocoumarin hydrolasein oxidative stress defence ... probe.Ó FEBS 2003 Role of 3,4-dihydrocoumarin hydrolase of Acinetobacter (Eur. J. Biochem. 270) 489deduced amino acid sequence of DCH exhibited highsimilarity to those of the esterases of Pseudomonas ... ability of dch to catalyse the peroxidation of organic acids, which could be an intermediary reaction of halogenation, and it is assumed that the role of DCH in vivois the degradation of peroxoacids.Peroxoacids...
- 9
- 314
- 0
Tài liệu Báo cáo khoa học: Nucleolin/C23 mediates the antiapoptotic effect of heat shock protein 70 during oxidative stress pptx
... and fragmentation of theirnuclei. The percentage of apoptotic cells was calculated asthe number of apoptotic cells divided by the total number of cells counted. A minimum of 500 cells were ... beensuggested to play an important role in precondition-ing, a phenomenon of protection of a heart fromstrong ischaemic insult by prior exposure to mildischaemia or other mild stresses. In the presentstudy, ... additional protection against oxidant stress (Fig. 4D). Therefore, Hsp70-transfected cells with ahigher level of nucleolin ⁄ C23 protein become moreresistant to oxidative stress and less susceptible...
- 11
- 614
- 0
Tài liệu Báo cáo khoa học: Aldehydes release zinc from proteins. A pathway from oxidative stress⁄lipid peroxidation to cellular functions of zinc pptx
... [2]. Concentrations of aldehydes alsoincrease with age and in diseases that are accompan-ied by oxidative stress. Oxidative stress causes lipidperoxidation and formation of aldehydes such asmalon(di)aldehyde, ... acidic pH (b-hydroxyacrolein).The following investigations focus on the effects of acetaldehyde and acrolein because of the relevance of these aldehydes for the biological effects of ingestedethanol ... andKeywordsacetaldehyde; acrolein; metallothionein; oxidative stress; zincCorrespondenceW. Maret, Division of Human Nutrition,Preventive Medicine and CommunityHealth, The University of Texas MedicalBranch,...
- 11
- 473
- 0
Tài liệu Báo cáo khoa học: Models and mechanisms of O-O bond activation by cytochrome P450 A critical assessment of the potential role of multiple active intermediates in oxidative catalysis doc
... presence of catalase, whereas superoxide anion waslikely to be of m inor importance i n formation of the radicalcations [166].Collectively, the drastic disruption of the C- andN -oxidative ... andN -oxidative biotransformation of aniline and its 4-chloroderivative [149,163] by the presence of catalase furnishesunequivocal e vidence f or a vital role of autoxidativelyliberated H2O2in ... ring opening of an epoxide inter-mediate at either of its two C-O bonds [219,220].The sum of these findings strongly invokes the notion of oxygen activation during redox cycling of the diversedioxygenases...
- 26
- 746
- 0
Báo cáo khoa học: Increased expression of c-Fos by extracellular signal-regulated kinase activation under sustained oxidative stress elicits BimEL upregulation and hepatocyte apoptosis pot
... to oxidative stress affects c-Fos stability and BimEL expression by chang-ing the duration of the ERK signal. Therefore, theduration of oxidative stress might be a fundamentaldeterminant of ... AP-1-dependent geneexpression occurred under the conditions of sustained oxidative stress. This idea is supported by data show-ing that transient oxidative stress for 3 or 6 h did notinduce apoptosis [38].In ... expression of BimEL, a major isoform among the bim geneproducts, leading to apoptosis in rat primary hepato-cytes [15].Bim is a member of the Bcl-2 family of proteins,which play a fundamental role...
- 9
- 556
- 0
Ambient particulate air pollution induces oxidative stress and alterations of mitochondria and gene expression in brown and white adipose tissues ppt
... insights into the roles and mechan-isms of PM2.5-associated physiology and pathology.In summary, our data demonstrate the importanteffects of PM2.5exposure on oxidative stress and mito-chondrial ... number and area of mitochondria in the eWAT and iBAT. A-B. Representative TEM images of eWAT. C-D. Representative TEMimages of iBAT (Arrows point to mitochondria). E: The analysis of mitochondrial ... 8:20http://www.particleandfibretoxicology.com/content/8/1/20Page 14 of 14RESEARC H Open AccessAmbient particulate air pollution induces oxidative stress and alterations of mitochondriaand gene expression in brown...
- 14
- 466
- 0
Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf
... increase in the amount of ROS [21]; (b) loss of cytochrome c impairs the flow of electrons in the respiratory chain inducing over-reduction of the complexes, favouring the generation of ROS [16,17,22]; ... the’Ca2+paradox’In spite of the widely accepted role of [Ca2+]cderegula-tion in the manifestation of neurodegeneration, exactlyhow Ca2+ions mediate neural cell death is less clear[185]. One of the most ... to oxidative stress is dependent on activa-tion of poly (ADP-ribose) polymerase. Br J Pharma-col 143, 186–192.235 Balzer M, Lintschinger B & Groschner K (1999)Evidence for a role of Trp...
- 18
- 549
- 0
Báo cáo khoa học: Identification and characterization of 1-Cys peroxiredoxin from Sulfolobus solfataricus and its involvement in the response to oxidative stress pdf
... data-base of the aerobic hyperthermophilic archaeon Sulfolobus solfataricus. Its role in oxidative stress was investigated by transcriptional analysis of RNAisolated from cultures that had been stressed ... hydroperoxideFig. 4. Northern hybridization analysis of S. solfataricus P2 bcp2 transcripts: effect of oxidative stress agents. Cultures of S. solfataricus P2were grown until the mid-exponential ... base of P. horikoshii nei-ther a homologue of A. pernix thioredoxin-like norother types of thioredoxins were found.In this study we examined the involvement of theperoxiredoxin Bcp2 in oxidative...
- 11
- 565
- 0
Báo cáo khoa học: Oxidative stress induces a reversible flux of cysteine from tissues to blood in vivo in the rat pptx
... thought to elicit oxidative stress, and it is recog-nized that this may have a role in the progression of the disease (for review, see [18]). Usually, the occur-rence of oxidative stress is evaluated ... influence of oxidative stress onthese processes. Our data clarify some of these aspects,and suggest that thiol-directed oxidative stress consider-ably influences the inter-organ exchange of cysteine ... long-lasting effects of thiol-directed oxidative stress, and, inparticular, its influence on the inter-organ exchange of LMM-SH.ResultsIn a first set of experiments, the kinetics of plasmathiols...
- 13
- 510
- 0
Báo cáo khoa học: Yeast oxidative stress response Influences of cytosolic thioredoxin peroxidase I and of the mitochondrial functional state pot
... Finkel T & Holbrook NJ (2000) Oxidants, oxidative stress and the biology of ageing. Nature 408, 239–247.3 Jamieson DJ (1998) Oxidative stress responses of theyeast Saccharomyces cerevisiae. ... response of cells with dysfunctional mitochondriato oxidative stress, we evaluated H2O2sensitivity of deletion mutants for the regulators most frequentlyassociated with oxidative stress response: ... oxi-dation of glutathione to the disulfide. Biochem BiophysRes Commun 37, 593–596.41 Garrido EO & Grant CM (2002) Role of thioredoxinsin the response of Saccharomyces cerevisiae to oxidative stress...
- 12
- 363
- 0
Báo cáo khoa học: Oxidative stress is involved in the permeabilization of the inner membrane of brain mitochondria exposed to hypoxia/reoxygenation and low micromolar Ca2+ Lorenz Schild1 and Georg Reiser2 doc
... resulted in a decrease of 0.29 ± 0.19 nmolÆmg)1 of mitochondrial protein. The combination of 3.5 lmCa2+and H ⁄ R led to the substantial decrease in GSH of 1.27 ± 0.15 nmolÆmg)1 of mitochondrial ... conse-quences of stroke [3,4]. Moreover, the increase in lipidperoxidation after ischemia also points towards theinvolvement of oxidative stress [5,6].Further investigations using animal models of strokemade ... radicals is com-plex I [14]. The degree of production of ROS by therespiratory chain depends on the type of tissue, thekind of substrates driving oxidative phosphorylation(either complex...
- 9
- 433
- 0
Báo cáo khoa học: The crystal structure of annexin Gh1 from Gossypium hirsutum reveals an unusual S3 cluster Implications for cellulose synthase complex formation and oxidative stress response potx
... residuesand some of them have been implicated in oxidative stress response. Thus, it is very likely that this redox system formsthe basis of annexin response to oxidative stress in that itreduces ... molecular basis for annexin functionin oxidative stress response.Keywords: calcium; cellulose synthase; cotton; oxidative stress response; plant annexin. Oxidative stress is a health-threatening phenomenon ... structure of Anx(Gh1) from cotton emphasizes thehigh conservation of the unique annexin fold even amongthe members of the plant subfamily of annexin proteins. Thefold is comprised of the arrangement...
- 8
- 475
- 0
- an essential metabolite in defence against chemical and oxidative stress in the kinetoplastida the kinetic mechanism for glutathionylspermidine synthetase ec 6318 from crithidia fasciculata cfgsps obeys a rapid equilibrium random terter model with kin
- increased role of civil society
- the role of the usgs
- functional role of iron
- the role of energy
- the role of capital
- the role of music
- the role of language
- the role of positive facial feedback in the stress response
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008