0

the effect of elevated atmospheric co 2 concentration on antioxidants and osmolytes under environmental stress

Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx

Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx

Điện - Điện tử

... Environmental Stress Elevated atmospheric CO2 concentration leads to a higher CO2 concentration gradient between the outside air and the intercellular spaces of the leaves, so that the diffusion of ... (Samarah 20 05) It can protect plant cells from environmental stress- induced oxidative stress (Samarah 20 05) The Effect of Elevated Atmospheric CO2 Concentration on Antioxidants and Osmolytes Under Environmental ... al 20 02) Meyer et al (20 05) reported that levels of H2O2 are controlled by the action of glutathione Reduction of glutathione (GSH) and oxidation of glutathione (GSSG) are necessary for controlling...
  • 532
  • 8,004
  • 1
Báo cáo khoa học:

Báo cáo khoa học: "Effects of propranolol in combination with radiation on apoptosis and survival of gastric cancer cells in vitro" ppsx

Báo cáo khoa học

... radiotherapy for locoregionally advanced nasopharyngeal carcinoma Chin J Onco 20 07, 29 :197 -20 2 Liao et al Radiation Oncology 20 10, 5:98 http://www.ro-journal.com/content/5/1/98 Page of 21 Bonner ... inhibition can enhance the effect of radiotherapy on gastric cancer cells in vitro through the downregulation of NFB and modulation of downstream COX -2, EGFR and VEGF gene expression Furthermore, there ... which concomitantly inhibited the expression of COX -2, EGFR and VEGF genes In this way, propranolol can enhance the effect of radiotherapy on gastric cancer These findings, along with the present...
  • 8
  • 486
  • 1
Báo cáo y học:

Báo cáo y học: "A general framework for quantifying the effects of DNA repair inhibitors on radiation sensitivity as a function of dose" pptx

Báo cáo khoa học

... for the control case, i.e radiation alone, and one for the drug-treated case; and δx – where "x" is any of the parameters above – is the variation on x between the control and case under study ... of PJ34 on the linear component of cell killing in growth-arrested T98G cells may reflect a modest radioprotective effect of the drug in this population Conventional analysis of the effects of ... radiation doses, (2) radiation-independent effects on survival and (3) the relative significance of these changes The main features of the method are the inclusion of an indicator term in the model...
  • 7
  • 320
  • 0
báo cáo khoa học:

báo cáo khoa học: " UV-B-induced signaling events leading to enhanced-production of catharanthine in Catharanthus roseus cell suspension cultures" pps

Báo cáo khoa học

... permeability and the resulting ion fluxes mainly Ca2+ and H+ influx, and K+ and Cl- efflux, are among the most rapid responses of plant cells to elicitation [23 ,24 ] Among these ion fluxes, the influx of ... UV-B irradiation UV-B-induced H2O2 production and involvement of protein kinases in UV-B-induced H2O2 production The oxidative burst, a rapid consumption of oxygen and production of reactive oxygen ... blocked the UV-B responses (Figure 6a and 6b) The level of the Tdc and Str transcripts and catharanthine content in the UV-B irradiated cells also reduced gradually as the EGTA concentration increased...
  • 17
  • 265
  • 0
DETOXIFICATION OF TRICHLOROETHYLENE (TCE) USING SOLAR LIGHT/TiO2 IN A UV CONCENTRATING RADIATION SYSTEM

DETOXIFICATION OF TRICHLOROETHYLENE (TCE) USING SOLAR LIGHT/TiO2 IN A UV CONCENTRATING RADIATION SYSTEM

Môi trường

... feasibility of the solar detoxification using TiO2 for degrading TCE contaminated water The effects of solar light intensity, TiO2 concentration on the degradation rate of TCE, and the byproducts from the ... photolysis of TCE by solar radiation only in the absence of TiO2 Figure showed the degradation ratio of TCE as the function of exposed time for the control experiments (solar light alone and TiO2 alone) ... effect of control conditions (solar light only and TiO2 only), and photocatalytic condition on the degradation of TCE and chloride production (as HCl) (Experimental conditions; 50 ppm TCE, pH...
  • 6
  • 392
  • 0
Tài liệu Báo cáo Y học: The effects of ring-size analogs of the antimicrobial peptide gramicidin S on phospholipid bilayer model membranes and on the growth of Acholeplasma laidlawii B ppt

Tài liệu Báo cáo Y học: The effects of ring-size analogs of the antimicrobial peptide gramicidin S on phospholipid bilayer model membranes and on the growth of Acholeplasma laidlawii B ppt

Báo cáo khoa học

... inhibition of growth being observed only at peptide concentrations of 1.0 2. 0 lM with complete growth inhibition occurring only at the highest peptide concentration tested (4.0 lM) On the other hand, ... (Pb¢) phase and the main transition from the conversion of the Pb¢ to the La phase For a more detailed discussion of the thermotropic phase behavior of Myr2Gro-PGro and other members of the homologous ... enthalpy of the higher temperature DSC component is considerably greater and the cooperativity of this component is considerably less in the GS14/Myr2Gro-PCho than in the GS10/Myr2GroPCho MLVs According...
  • 10
  • 683
  • 0
Báo cáo khoa học: Mutual effects of proton and sodium chloride on oxygenation of liganded human hemoglobin Oxygen affinities of the a and b subunits potx

Báo cáo khoa học: Mutual effects of proton and sodium chloride on oxygenation of liganded human hemoglobin Oxygen affinities of the a and b subunits potx

Báo cáo khoa học

... ðaO2 ; bO2 ÞðaO2 ; bO2 Þ À ða; bO2 ÞðaO2 ; bO2 Þ þ O2 ka À ðaO2 ; bO2 ÞðaO2 ; bO2 Þ ! hv ð1Þ ðaO2 ; bO2 ÞðaO2 ; bO2 Þ À ðaO2 ; bÞðaO2 ; bO2 Þ þ O2 ! kb À ðaO2 ; bO2 ÞðaO2 ; bO2 Þ ! where (aO2, ... tetrameric HbA, the contribution of O2 rebinding with dimer to the total protein oxygenation must be taken into account and the effect of NaCl concentration on the rates of O2 binding to the a and b subunits ... 8.5, 7.4, and 6.8 The NaCl effects were carried out at concentrations of 0.1, 0.5, 1.0, and 2. 0 m The solubility of O2 in water depends strongly on NaCl concentration Conversions from O2 partial...
  • 11
  • 577
  • 0
Báo cáo khoa học: Prohibitin is expressed in pancreatic b-cells and protects against oxidative and proapoptotic effects of ethanol pdf

Báo cáo khoa học: Prohibitin is expressed in pancreatic b-cells and protects against oxidative and proapoptotic effects of ethanol pdf

Báo cáo khoa học

... mm glucose concentration was  35% less than that recorded at a 25 mm glucose concentration, whereas ROS production at the lower glucose concentration was  80% less than that found at the high ... production by 43%, unlike the low glucose concentration, which decreased ROS production by  80% compared with the high glucose concentration (Fig 2B) Because oxidative stress can induce uncoupling ... (UCP2) expression at the expense of ATP synthe- MTT (% of control) A 120 100 * 80 * 60 40 20 0 20 mM 40 mM 60 mM 80 mM 100 mM ETOH B 120 100 MTT (% of control) have reported on deleterious effects...
  • 13
  • 447
  • 0
báo cáo hóa học:

báo cáo hóa học: " Pro-inflammatory gene expression and neurotoxic effects of activated microglia are attenuated by absence of CCAAT/enhancer binding protein b" potx

Toán học

... Poli V: The role of C/EBP isoforms in the control of inflammatory and native immunity functions J Biol Chem 1998, 27 3 :29 279 -29 2 82 18 Caivano M, Gorgoni B, Cohen P, Poli V: The induction of cyclooxygenase -2 ... the case of the effects of C/EBPb absence on NOS2 expression and neurotoxicity, the observed effects are clearly microglial, as shown by the microglial localization of NOS2 immunoreactivity and ... presence of C/EBPb in shifted complexes I Page of 15 to III (Figure 3A lanes 4-6) The specificity of the supershift is demonstrated by the lack of supershift elicited by the same concentration of IgG...
  • 15
  • 450
  • 0
báo cáo hóa học:

báo cáo hóa học:" Effects of alpha-calcitonin gene-related peptide on osteoprotegerin and receptor activator of nuclear factor-B ligand expression in MG-63 osteoblastlike cells exposed to polyethylene particles" doc

Hóa học - Dầu khí

... calcitonin family in the regulation of bone metabolism Bone 20 08, 43:813-818 22 Cornish J, Callon KE, Lin CQ, Xiao CL, Gamble GD, Cooper GJ, Reid IR: Comparison of the effects of calcitonin gene-related ... all concentrations of alpha-CGRP after 48 and 72 hours (P < 0.05) (Figure 1C) The effect of time on RANKL mRNA expression in cell particle ratio of 1:500 inhibited by different concentrations of ... cell-particle concentrations of 1:100 and 1:500 (Figure 1D) In cell-particle concentrations of 1:100 OPG mRNA-expression significantly increased after 72 hours (P < 0.05) In cell-particle concentrations of...
  • 8
  • 411
  • 0
báo cáo hóa học:

báo cáo hóa học:" Effects of alpha-calcitonin gene-related peptide on osteoprotegerin and receptor activator of nuclear factor-B ligand expression in MG-63 osteoblastlike cells exposed to polyethylene particles" pot

Hóa học - Dầu khí

... calcitonin family in the regulation of bone metabolism Bone 20 08, 43:813-818 22 Cornish J, Callon KE, Lin CQ, Xiao CL, Gamble GD, Cooper GJ, Reid IR: Comparison of the effects of calcitonin gene-related ... all concentrations of alpha-CGRP after 48 and 72 hours (P < 0.05) (Figure 1C) The effect of time on RANKL mRNA expression in cell particle ratio of 1:500 inhibited by different concentrations of ... cell-particle concentrations of 1:100 and 1:500 (Figure 1D) In cell-particle concentrations of 1:100 OPG mRNA-expression significantly increased after 72 hours (P < 0.05) In cell-particle concentrations of...
  • 8
  • 367
  • 0
Báo cáo hóa học:

Báo cáo hóa học: "Effects of Pin-up Oxygen on [60]Fullerene for Enhanced Antioxidant Activity" pptx

Hóa học - Dầu khí

... activity The method is based on the discoloration of the yellowish color of a b-carotene solution due to the breaking of p-conjugation by the addition of lipid peroxyl radical (LOO•) generated from the ... concentration of PVP and CD complexes of C60 and oxidized C60O Here, the rate (Rf) of discoloration of b-carotene by the LOO• radical is given by Eq [18], where kc and kf denote the second-order rate constants ... filter (0.45 and 0.1 lm) to give a clear purple solution The concentration of solution and the yield were estimated to be 1.40 mM and 31.7%, respectively, by the use of the molar absorption coefficient...
  • 5
  • 303
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "Influence of gestational age at exposure on the prenatal effects of gamma-radiation" pps

Báo cáo khoa học

... 0 45 1 (2. 22) 1 (2. 22) 1 (2. 22) 2( 4.44) 2( 4.44) 1 (2. 22) 1 (2. 22) 12( 26.67) 80 0 0 14(17.5) 3(3.75) 72( 90) 1(1 .25 ) 71 0 0 1(1.41) 1(1.41) Internal malformation Fetuses examined Dilatation of cerebral ... ionizing radiation-induced malformations in mice Acta Radiol Oncol 1985, 24 , 26 7 -27 1 Committee on the biological effects of radiation The effects on populations of exposure to low levels of ionizing ... times of early murine gestation Teratology 1990, 42, 643-650 Muller, W U., Streffer, C and Pampfer, S The question of threshold doses for radiation damage: malformations 42 21 22 23 24 25 26 27 28 ...
  • 6
  • 368
  • 0
Báo cáo khoa học:

Báo cáo khoa học: " Dose-Incidence Relationships on the Prenatal Effects of Gamma-Radiation in Mice" pdf

Báo cáo khoa học

... 1985, 24 , 26 7 -27 1 Committee on the biological effects of radiation The effects on populations of exposure to low levels of ionizing radiation, p 480, National Academy Press, Washington, 1980 Hande, ... Gamma-Radiation in Mice 11 17 18 19 20 21 22 23 24 25 26 27 28 experimental basis for predictions Adv Radiat Res 19 92, 15, 21 7-301 Molls, M., Zamboglou, N and Streffer, C, A comparison of the cell ... 1 (2. 08) 0 0 0 52 0 1(1. 92) 0 0 1(1. 92) 4(7.69) 0 0 1(1. 92) 39 1 (2. 56) 0 1 (2. 56) 1 (2. 56) 2( 5.13) 0 0 1 (2. 56) 1 (2. 56) 3(7.69) 1 (2. 56) 5( 12. 82) 15(37.46) 28 1(3.53) 4(14 .29 ) 0 0 1(3.57) 7 (25 ) 6 (21 .43)...
  • 5
  • 316
  • 0
Báo cáo khoa học:

Báo cáo khoa học: " Modulatory effects of chitosan adipate on the T and B lymphocyte subsets in mice" pps

Báo cáo khoa học

... reinraC ,L ollaG 91 9571- 927 1 ,35 ,00 02 ygolonegoirehT sisylana-atem a :woc yriad eht ni noitcudorper no esaesid fo tceffE X rehlaM ,H sregeeS ,C nohciruoF 81 53 02- 520 2 ,48 ,10 02 icS yriaD J swoc yriad ... ycuL 82 40 62- 98 52 ,28 ,9991 icS yriaD J swoc yriad fo ytilitref no noitidnoc ydob dna ,dleiy klim ,ecnerrucco sesaesid fo emit fo stceffe ehT HY nekkuhcS ,JM seirV ed ,HS relffeoL 72 50 02 ,luoeS ... nhörG 22 416-506 ,16/06 ,00 02 icS dorpeR minA swoc yriad ni ecnamrofrep evitcudorper fo ygoloimedipE JP ztluhcS-alajaR ,TY nhörG 12 28-57 ,63 ,3991 lohtaponummI lonummI teV swoc yriad ni noitcnuf...
  • 6
  • 351
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "The Akt-inhibitor Erufosine induces apoptotic cell death in prostate cancer cells and increases the short term effects of ionizing radiation" pot

Báo cáo khoa học

... Radiation Oncology 20 10, 5:108 http://www.ro-journal.com/content/5/1/108 responded only to high LY2940 02 concentrations Importantly, LY2940 02- treatment reduced the phosphorylation of Akt only in the ... subtoxic concentrations of ErPC3, the anti-neoplastic effects of the combined treatment were mainly due to the effects of ionizing radiation (Figure 5C) Only when using a toxic concentration of ErPC3 ... experiments CB contributed to the design of the study VJ performed conception and design of the study and substantially contributed to interpretation of data, drafting and critical revision of the manuscript...
  • 12
  • 343
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "Effects of radiation therapy on tissue and serum concentrations of tumour associated trypsin inhibitor and their prognostic significance in rectal cancer patients" doc

Báo cáo khoa học

... of an association between t-TATI and s-TATI with s-CEA concentrations is also in line with previous findings [2] We are not aware of any other studies on the effect of RT on TATI concentrations ... performed the serum analyses and revised the manuscript IP assisted in the collection of tissue samples and data AB participated in the conception of the study, BN assisted with the TMA construction and ... revision of the manuscript, UHS participated in revision of the manuscript, BJ participated in the conception and design of the study, LBJ participated in the collection of tissue samples, data and...
  • 10
  • 404
  • 0
Báo cáo y học:

Báo cáo y học: "Short- and long-term effects of anti-CD20 treatment on B cell ontogeny in bone marrow of patients with rheumatoid arthritis" ppsx

Báo cáo khoa học

... gain more information about the maturation stages of the B cell population, expression of CD24 and CD10 is usually added [14 -25 ] The exact subpopulation of B cells targeted and eliminated by rituximab ... were obtained [31] Teng and colleagues investigated the effect of rituximab in BM and concluded that only of 25 patients with RA showed complete depletion of CD19+ B cells, and no phenotypic data ... Baseline months 20 .5 ± 12. 6 17.5 ± 6.5 24 .2 ± 15.9 6.8 ± 3.0 7.1 ± 3 .2 CD19+, % 5.6 ± 3.7 1.1 ± 0.9** 1.6 ± 1.3** 12. 2 ± 6.4 0*** CD3+, % 28 .3 ± 12. 7 36 .2 ± 14.3 22 .7 ± 6 .2 46.9 ± 16 .2 42. 8 ± 13.9...
  • 12
  • 458
  • 0
Báo cáo y học:

Báo cáo y học: "Anti-inflammatory and arthritic effects of thiacremonone, a novel sulfurcompound isolated from garlic via inhibition of NF-κB" pptx

Báo cáo khoa học

... into consideration the supershift of the DNA-binding activities of NF-κB upon addition of anti-p50 antibody, and the suppressive effect of DTT and glutathione on thiacremononeinduced inhibition of ... thiacremonone in a concentration- dependent manner As NO can induce COX -2 expression, and COX -2 is also an enzyme to regulate inflammation, the expression of COX -2 was investigated Consistent with the inhibitory ... (DTT) or glutathione for one Available online http://arthritis-research.com/content/11/5/R145 Figure Effect of thiacremonone on LPS-induced NO generation, expression of iNOS and COX -2 and cell viability...
  • 13
  • 724
  • 0
Báo cáo y học:

Báo cáo y học: "Chemokine receptor expression and functional effects of chemokines on B cells: implication in the pathogenesis of rheumatoid arthritis" ppt

Báo cáo khoa học

... peripheral B cells of both normals and subjects with RA, and CXCL 12 enhanced the expression of ICOSL on both normal and RA B cells In contrast, the effect of CCL20, CCL19 and CCL21 was not significant ... in the presence of varchemokines ious concentrations of CCL20, CCL19, CCL21, or CXCL 12 for two hours The cells migrated through ECV304-coated transwells were stained with CD19 and CD27, and the ... expression Finally, we examined the effects of the chemokines on the expression of the cell surface molecules ICOSL, BAFF-R and TACI by peripheral blood B cells of normal donors and sub- Page of 11...
  • 11
  • 343
  • 0

Xem thêm