vibratory stimulation induced illusions of movements
Báo cáo y học: "Parvovirus B19 Nonstructural Protein-Induced Damage of Cellular DNA and Resultant Apoptosis"
... with 5-aminoisoquinolinone The importance of DNA damage to NS1 -induced apoptosis is shown by the abrogation of apoptosis in 93 the presence of inhibitors of DNA damage recognition enzymes Both the ... binding region deleted induced significantly less apoptosis (20) The GFP/NS1 vector was utilized in this study to investigate the role of the DNA-damaging activities of NS1 in NS1 -induced apoptosis ... pVGRXR (Invitrogen) into the cells using Lipofectamine (Invitrogen) and PLUS reagent (Invitrogen) Expression of GFP/NS1 or GFP was induced by the addition of 10 µg/ml ponasterone A (Invitrogen) Protein...
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Tài liệu Báo cáo khoa học: Cosubstrate-induced dynamics of D-3-hydroxybutyrate dehydrogenase from Pseudomonas putida ppt
... subunit A of crystal form II and in subunit B of crystal form III, both in the absence of NAD+, as well as in subunit D of crystal form I in the presence of NAD+ C Fig Crystal structure of P putida ... and the structure of the cosubstrate-binding pocket of PpHBDH are very similar to those of PfHBDH, with a distance of about ˚ 14 A between the C2 of nicotinamide and the C6 of the adenine ring ... bond of one of its ribose hydroxyl oxygens, with the peptide carbonyl group of Asn87 (Fig 4) The loss of this interaction may be an important factor for the change of main chain conformation of...
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Tài liệu Báo cáo khoa học: Compartmentalization and in vivo insulin-induced translocation of the insulin-signaling inhibitor Grb14 in rat liver pptx
... interaction of Grb14 with the IR is probably the major determinant of the insulin -induced membrane translocation of Grb14, several lines of evidence suggest that the association of Grb14 via ... from livers of rats studied at the indicated time points after injection of 30 lg of insulin (four to six rats per time point) (A), or studied after injection of the indicated dose of insulin ... livers of rats studied at the indicated time points after injection of 30 lg of insulin (A) (four rats per time point) or 100 lg of EGF (B, C) (three rats per time point) Aliquots (10 lg of protein)...
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Tài liệu Báo cáo khoa học: Salt-induced formation of the A-state of ferricytochrome c – effect of the anion charge on protein structure docx
... [and on the strength of the Met80– Fe(III) axial bond] of the salt -induced A-state of cytochrome c, as observed from changes induced in the 416 nm Cotton effect The effect induced by the monovalent ... the sulfate -induced A-state of cytochrome c, we monitored the changes in the 416 nm Cotton effect induced by increasing amounts of perchlorate and chloride As shown in Fig 6, addition of monovalent ... perchlor5350 Fig Effect of perchlorate (d) and chloride (s) concentration on the heme pocket environment of the sulfate -induced A-state of cytochrome c, as observed from changes induced in the 416...
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Tài liệu Báo cáo khóa học: Trichostatin A reduces hormone-induced transcription of the MMTV promoter and has pleiotropic effects on its chromatin structure pptx
... deacetylated whereas the acetylation of both H3 and H4 of nuclesome F was increased [42] Addition of TSA resulted in only an insignificant increase of the acetylation level of histone H4 in the nucleosome ... was added to some of the pools immediately after DNA injection to assemble chromatin in the presence of TSA, this is referred to as early TSA (E) Hormone induction of half of these pools was ... also in the absence of hormone (Fig 1C, compare lanes 1, and 5, and 9, 10) A further effect of TSA treatment was a significant reduction in hormone -induced transcription ( 50% of full induction...
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Tài liệu Báo cáo khoa học: Guanidinium chloride- and urea-induced unfolding of FprA, a mycobacterium NADPH-ferredoxin reductase Stabilization of an apo-protein by GdmCl docx
... intensity of FAD corresponds to the release of protein-bound FAD on denaturation [12,13] Hence, the possibility of GdmCl -induced release of FAD from FprA resulting in stabilization of an apo-protein ... incubation of FprA with higher concentrations of GdmCl results in significant loss of secondary structure of FprA due to unfolding of protein under these conditions Changes in the molecular properties of ... leads to dissociation of protein-bound FAD Far-UV CD studies on GdmCl -induced unfolding of FprA were carried out to study the effect of GdmCl on the secondary structure of the protein In the...
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Báo cáo khoa học: Suppression of NADPH oxidase 2 substantially restores glucose-induced dysfunction of pancreatic NIT-1 cells doc
... Continuous overstimulation of b-cells by glucose could eventually lead to depletion of insulin stores, worsening of hyperglycemia, and finally deterioration of b-cell function [2] A large body of evidence ... NIT-1 cells induced by d-glucose Suppression of NOX2 substantially restores dysfunction and apoptosis of NIT-cells D-glucose -induced P38MAPK and p53 mediate the apoptosis of NIT-1 cells induced by ... dysfunction of b-cells, we first identified the source of ROS generated in response to d-glucose by determination of the effects on d-glucose -induced ROS levels of various inhibitors of ROS-generating...
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Báo cáo khoa học: A zinc finger HIT domain-containing protein, ZNHIT-1, interacts with orphan nuclear hormone receptor Rev-erbb and removes Rev-erbb-induced inhibition of apoCIII transcription potx
... a cofactor of Rev-erbb A B C Fig Colocalization of ZNHIT-1 and Rev-erbb in Hela cells (A) Nuclear localization of GFP-Rev-erbb (B) Colocalization of RFPZNHIT-1 and GFP-Rev-erbb (C) Effect of ... activity of Rev-erbb and control the recruitment of different cofactors The mechanism by which ZNHIT-1 removes the Rev-erbb -induced inhibition of transcription remains unclear Most cofactors ... ZNHIT-1 as a cofactor of Rev-erbb A B B C C D E Fig Subcellular localization analysis of ZNHIT-1 in Hela cells (A) Nuclear localization of RFP-ZNHIT-1 (B) Nuclear localization of GFP-ZNHIT-1...
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Báo cáo khoa học: Isoquinoline-1,3,4-trione and its derivatives attenuate b-amyloid-induced apoptosis of neuronal cells pdf
... Ab -induced apoptosis Several studies have suggested that inhibition of caspase-3 activity can block induction of apoptosis by Ab in primary neuronal cells and PC12 cells [14] The neurotoxicity of ... hallmark of slow-binding inhibition is that the degree of inhibition at a fixed concentration of compound varies over time because equilibrium between the free and enzyme-bound forms of the compound ... 40 The IC50 of compound for caspase-3 was 38 nm at 30 (Fig 2C) Protective effects of isoquinoline-1,3,4-trione on PC12 cell injury induced by Ab(25–35) The biological activities of compound were...
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Báo cáo khoa học: Radical-induced oxidation of metformin pptx
... detectable effect of H2O2 as an initiator of metformin oxidation in the absence of irradiation However, under irradiation, there was a noticeable effect of the concentration of H2O2 (0.05, 0.5 ... inhibition of metformin oxidation, in the presence of added hydrogen peroxide, would come from the reaction of ÆOH radicals with H2O2 An estimated value of the second order rate constant of k(ÆOH ... chemical transformations of a solvent due to the absorption of ionizing radiations, which allows, within a few nanoseconds, the production of a homogeneous solution of free radicals In addition,...
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Báo cáo khoa học: Protective effect of dietary curcumin and capsaicin on induced oxidation of low-density lipoprotein, iron-induced hepatotoxicity and carrageenan-induced inflammation in experimental rats ppt
... capsaicin significantly inhibited the oxidation of LDL, as indicated by TBARS values which were 71 and 62% of control rats Extent of iron -induced oxidation of LDL was considerably lower in curcumin ... time-dependent increase in TBARS values over the period of 12 h (Table 1) The extent of copper -induced oxidation of LDL in vitro was significantly less in the case of LDL isolated from curcumin fed rats; 17 ... formation at and 12 h of LDL oxidation, respectively, was seen in this case The extent of copper -induced oxidation of LDL in vitro was also significantly less in the case of LDL FEBS Journal 273...
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Báo cáo khoa học: Modular kinetic analysis reveals differences in Cd2+ and Cu2+ ion-induced impairment of oxidative phosphorylation in liver pot
... amount of Cu2+ ions added per mg of mitochondrial protein has been shown to successively cause inhibition of phosphate transport, accumulation of K+ ions, membrane aggregation, stimulation of respiration ... modularization of the system of interest and subsequent application of modular kinetic analysis allows identification of molecular targets of Cd2+ and Cu2+ ions In the first application of the analysis, ... approach of metabolic control theory Eur J Biochem 188, 313–319 Metal -induced impairment of mitochondrial function 22 Kesseler A & Brand MD (1994) Localisation of the sites of action of cadmium...
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Báo cáo khoa học: Vanadium-induced apoptosis of HaCaT cells is mediated by c-fos and involves nuclear accumulation of clusterin pptx
... c-fos -induced apoptosis of HaCaT cells was Bax-mediated and involved downregulation of sCLU and upregulation of nCLU Differential effects of constitutive expression of sCLU and Bcl-2 on vanadium -induced ... induction of nCLU Indeed, overexpression of nCLU (C120) sensitized HaCaT cells to VOSO4 -induced apoptosis through loss of psCLU and sCLU, suggesting reciprocal regulation of the different forms of CLU ... overexpression of the c-fos oncoprotein suppressed the expression of the prosurvival psCLU and sCLU isoforms and induced nCLU, a cell death signaling protein [21,22,26–28] To further verify the effects of...
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Báo cáo khoa học: Small heat shock protein Hsp27 prevents heat-induced aggregation of F-actin by forming soluble complexes with denatured actin docx
... complexes of small HSP with denatured actin A V Pivovarova et al of 42 kDa An important feature of actin is its ability to polymerize upon addition of neutral salts, with formation of long, polar ... analysis of the complexes of Hsp273D with thermally denatured actin The complexes were obtained by heating of F-actin (0.5 mgÆmL)1) to 75 °C at a constant rate of C°Æmin)1 in the presence of 0.1 ... effect of Hsp27-3D on the heatinduced aggregation of F-actin (A) F-actin (1.0 mgÆmL)1) was heated at a constant rate of C°Æmin)1 in the absence (curve 1) or in the presence (curves 2–4) of Hsp27-3D,...
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Báo cáo khoa học: Betaine protects urea-induced denaturation of myosin subfragment-1 pptx
... uorescence emission of S1 in the presence of increasing concentrations of urea (Fig 2) The intrinsic uorescence of S1 is altered in the presence of increasing concentrations of urea (Fig 2A) Urea ... presence of the concentrations of urea indicated in the gure This is a representative experiment of a series of four independent experiments (B) Calculated spectral area of S1 in the presence of the ... ability of betaine (an amino acid derivative of methylamine) to counteract the effects of urea on the function and structure of S1 Our purpose was to study, in more detail, the protective effect of...
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Báo cáo khoa học: Light-induced reactions of Escherichia coli DNA photolyase monitored by Fourier transform infrared spectroscopy pot
... aimed at an elucidation of a detailed molecular picture of the light-driven DNA repair process Results Construction of a DNA photolyase E109A mutant MTHF, the second cofactor of E coli DNA photolyase, ... photolyase to a level of about 15% of total cell protein Purification by published procedures afforded the blue radical form of the mutant enzyme The yield of isolated protein was about twofold higher ... environmental change of carbonyl groups during photoreduction is excluded Photoactivation of DNA photolyase Photodamage of DNA Red-light irradiation selectively induced the one-electron reduction of the blue...
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Báo cáo khoa học: Calcium-induced contraction of sarcomeres changes the regulation of mitochondrial respiration in permeabilized cardiac cells doc
... substrates (D) Reversibility of the effects of calcium -induced contraction of cardiomyocytes on the kinetics of regulation of mitochondrial respiration by exogenous ADP The kinetics of respiratory regulation ... aspects of the preparation of such kind of buffers were published recently in [69] by the author of the software we used for our calculations (see below) The inuence of temperature (vant Hoff equation, ... analysis and Fisher test), and a P-value of < 0.05 was taken as the level of signicance Calculation of the free concentration of Ca2+ Calculations of the composition of EGTA-Ca buffer were made according...
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Báo cáo khoa học: The chromosomal protein HMGN2 mediates lipopolysaccharide-induced expression of b-defensins in A549 cells potx
... affects LPS -induced expression of HBD-2, we performed ChIP analysis of the 13 kb region of HBD-2 gene using antibodies to HMGN1 or HMGN2 and demonstrated a twofold to fourfold enrichment of HMGN2 ... PCR amplification of the corresponding part of HMGN2 cDNA) In A549 cells, replenishment of HMGN2 protein upregulated the protein levels of HBD-2, an indication that the levels of this protein are ... levels of HMGN2 In contrast, replenishment of the S24, 28E HMGN2 double-point mutant, which does not bind to chromatin, did not change the levels of HBD-2, suggesting that the interaction of HMGN2...
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Báo cáo khoa học: Cd2+-induced aggregation of Escherichia coli pyrophosphatase doc
... No aggregation was observed in the presence of the PPase cofactors Mg2+ and Mn2+ and the PPase inhibitor Ca2+, all of which bind to PPase The nature of the anionic counterion (acetate or chloride) ... oxygen [23] (Fig 3) We ruled out the involvement of type and type sites in Cd2+ -induced aggregation by testing the effects of Mg2+ and Mn2+ Both of these divalent cations bind to type and sites, ... at °C The effect of PPase concentration on c½ was moderate, in that the latter increased to 1.70 ± 0.09 mM at 0.08 mgÆmL)1 PPase Specificity of the aggregation Fig Time-course of Escherichia coli...
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Báo cáo khoa học: p53-induced inhibition of protein synthesis is independent of apoptosis pdf
... regulation of protein synthesis is simply a consequence of either the impairment of cell cycle progression or the induction of apoptosis, both of which are associated with inhibition of translation ... variety of cellular responses, notably inhibition of cell cycle progression and stimulation of DNA repair [51] If p53 activity is sustained it can also lead to cell death by apoptosis [52] Many of ... inhibitory effects of the activated tumour suppressor protein Detailed analysis of the kinetics of the inhibition of translation has shown that this effect begins within 2–4 h of activating wild-type...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể 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 điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n 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 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 9 tr 25