... [15N]-labelling of selected residues was suppressed by the addition of amino acids at natural isotopic abundance [17] In the case of cell- free protein synthesis, however, the costs of the [15N]labelled ... strains Cell- free protein synthesis systems are far more inert with regard to isotope scrambling because the pool of metabolic enzymes present in the cell extract is not regenerated Thus, cell extracts ... suppressed by inhibitors of transaminases and glutamine synthase [20] Among the multitude of metabolic enzymes present in the cell extract, only those leading to transfer of [15N]-amino groups to...
Ngày tải lên: 07/03/2014, 12:20
... Intensity of cytoplasm Ratio of Translocation = Intensity of nucleus Intensity of cytoplasm Intensity of nucleus Scheme This is a simplication of a cell as seen by analysis software, where the software ... translocation experiments, cells were removed with 0.05% trypsin EDTA, and plated with cell solution of ã 106 cellsặmL)1 (in a 50 mL ask) and grown until 80% conuency Cellular assays A549 cell solution (100 ... Interestingly, the pretreated cells displayed clearly discernible oscillations that closely followed those of the untreated cells in terms of their frequency The effects of exposing the cells to the inhibitor...
Ngày tải lên: 16/03/2014, 11:20
Báo cáo sinh học: "Characterization and targeting of phosphatidylinositol-3 kinase (PI3K) and mammalian target of rapamycin (mTOR) in renal cell cancer" docx
... Journal of Translational Medicine 2011, 9:133 http://www.translational-medicine.com/content/9/1/133 Page of 10 Figure Effects of NVP-BEZ235 on renal cell carcinoma cells in vitro Targets of NVP-BEZ235, ... Kaplan-Meier survival curves of quartiles of AQUA scores for the three targets High levels of both p85 and mTOR were associated with decreased survival cell lines the IC 50 s of this compound were in ... NVP-BEZ235 target inhibition and induction of apoptosis Targets of NVP-BEZ235, p-P70S6K, p-Akt and p-S6 were decreased in Caki-1, 769-P, A498 and 786-0 cells with exposure to the drug Cells were...
Ngày tải lên: 18/06/2014, 22:20
báo cáo hóa học:" Characterization and targeting of phosphatidylinositol-3 kinase (PI3K) and mammalian target of rapamycin (mTOR) in renal cell cancer" pot
... Journal of Translational Medicine 2011, 9:133 http://www.translational-medicine.com/content/9/1/133 Page of 10 Figure Effects of NVP-BEZ235 on renal cell carcinoma cells in vitro Targets of NVP-BEZ235, ... Kaplan-Meier survival curves of quartiles of AQUA scores for the three targets High levels of both p85 and mTOR were associated with decreased survival cell lines the IC 50 s of this compound were in ... NVP-BEZ235 target inhibition and induction of apoptosis Targets of NVP-BEZ235, p-P70S6K, p-Akt and p-S6 were decreased in Caki-1, 769-P, A498 and 786-0 cells with exposure to the drug Cells were...
Ngày tải lên: 20/06/2014, 04:20
Báo cáo khoa học: " A rapid and efficient method for studies of virus interaction at the host cell surface using enteroviruses and real-time PCR" potx
... replication in RD cells despite the absence of CAR [40] Using RT-PCR for sensitive studies of viral host cell interactions To explore the implementations of RT-PCR in viral binding studies the limitations ... a fixed ratio of virus/host cell relation (MOI 0.05 TCID50 /cell) , the ability to study interaction using a limited amount of cells was also investigated A decreasing number of cells were incubated ... where two strains of Figure Attachment studies using a clinical isolate of CVB5 Attachment studies using a clinical isolate of CVB5 A) × 104dpm (corresponding to MOI 0.05 TCID50 /cell) was incubated...
Ngày tải lên: 12/08/2014, 04:21
Báo cáo y học: "Identification of target antigens of antiendothelial cell and anti-vascular smooth muscle cell antibodies in patients with giant cell arteritis: a proteomic approach" potx
... that IgG antibodies directed toward the proteome of VSMCs and HUVECs are present in the sera of patients with GCA These antibodies recognise cellular targets that play key roles in cell biology ... article as: Rộgent et al.: Identification of target antigens of anti-endothelial cell and anti-vascular smooth muscle cell antibodies in patients with giant cell arteritis: a proteomic approach Arthritis ... protein pattern of total protein extracted from human umbilical vein endothelial cells Localisation of the 30 reactive spots recognised by two-thirds of the pools of sera from giant cell arteritis...
Ngày tải lên: 12/08/2014, 17:22
Báo cáo y học: " Single cell studies of the cell cycle and some models" pps
... scatter, the fine detail of the single cell linear patterns is lost There is also a second RCP at the end of the cycle A much more detailed analysis of populations of single cells followed on films ... measuring cell length and diameter This has been done for fifty or more single cells of fission yeast – a long way from the early days of using a ruler to measure the length of yeast cells on ... could profitably be applied to the growth of Escherichia coli The limitations of synchronous cultures in hiding the fine detail of increases in volume or area could well mean that single cell studies...
Ngày tải lên: 13/08/2014, 22:22
Single channel and whole cell electrophysiological characterizations of l type cav1 2 calcium channel splice variants relevance to cardiac and nervous system functions
... Synopsis of channel properties of murine CaV1.2 (+/+) and CaV1.2 ∆33 (-/-) 65 Table 3: Electrophysiological WC properties of CaV1.2 isoforms 80 Table 4: Single-channel properties of CaV1.2 isoforms ... hard days iv TABLE OF CONTENT Table of Content TABLE OF CONTENT V LIST OF PUBLICATIONS I ABSTRACT: II LIST OF TABLES V LIST OF FIGURES ... WHOLE CELL RECORDINGS IN CARDIOVASCULAR STUDIES 24 1.6 AIMS AND GOALS OF THE STUDY 26 MATERIAL AND METHOD 28 2.1 CELL CULTURE AND PLASMIDS 29 2.1.1 Culture of native...
Ngày tải lên: 08/09/2015, 19:30
Báo cáo y học: "Medical resource utilization among patients with ventilator-associated pneumonia: pooled analysis of randomized studies of doripenem versus comparators"
... other studies [4-6] because of activity against key pathogens Consideration of the influence of appropriateness of empiric therapy against subsequently identified pathogens was beyond the scope of ... Discussion The results of this pooled analysis of two phase III studies indicated that initial use of doripenem in patients with VAP was associated with shorter durations of mechanical ventilation ... cost of hospitalization as demonstrated in a recent economic analysis of studies and [29] Using discrete event simulation, Kongnakorn and colleagues [29] estimated that use of doripenem instead of...
Ngày tải lên: 25/10/2012, 10:02
Báo cáo y học: "Characterization of N200 and P300: Selected Studies of the Event-Related Potential Salil H. Patel 1 and Pierre N. Azzam 2"
... infrequently-appearing stimulus of with a two-stimulus oddball task, regardless of attentional (i.e., target or nontarget) status [38] The P3a has also been demonstrated experimentally in target/ nontarget tasks ... perception which involve the discrimination of a target presented in a field of a limited number of surrounding objects (i.e., a pop-out paradigm), a target with unique features is detected rapidly ... tasks requiring a motor response to targets, with targets representing 50% of all stimuli, the observed P300 amplitude decreases with repeated presentation of the target stimulus It is significant...
Ngày tải lên: 02/11/2012, 11:08
Báo cáo y học: "High level expression of apoptosis inhibitor in hepatoma cell line expressing Hepatitis
... changes the expression of apoptosis profile of host cells, which probably results in the carcinogenesis of liver cells Materials and methods Cell lines and isolation of RNA HepG2 cell line was bought ... Results The profile of IAPs expression in the cells producing HBV The change of IAPs expression in the HBV expressing cells was first investigated by the comparison of the gene expression profile in ... increase of expression of apoptosis inhibitor is thought to be a major cause of the tumor formation/progression Through the inhibition of cell apoptosis, cancer cells acquire the ability of unlimited...
Ngày tải lên: 02/11/2012, 11:17
Tài liệu SURVEY OF CASE STUDIES OF THE USE OF KNOWLEDGE MANAGEMENT IN SOFTWARE ENGINEERING docx
... productivity and quality of the developed software The outcome of several of these improvement initiatives was summed up in an article in Communications of the ACM [10] Claims of order of magnitude improvements ... Problems with software development Software development can often be challenging There are many examples of software projects that have failed The much-cited Standish report on software projects ... we ask: Does the introduction of a knowledge management system: Improve the quality of software? Lower the cost of developing software? Improve the work situation of employees in an organisation?...
Ngày tải lên: 16/01/2014, 16:33
Tài liệu Growth and nutritional status of children with homozygous sickle cell disease ppt
... affect severity of haemolysis in sickle cell anaemia, although some studies of this genotype have shown little additive effect.169 Pooled data from studies of different haplotype profiles need to ... Growth patterns of children with sickle -cell disease Hum Biol 1976; 48:429–37 25 Booker CR, Scott RB, Ferguson AD Studies in sickle cell anaemia Xxii Clinical manifestations of sickle cell anaemia ... indicating an absence of disease effect on fetal growth.26 During follow-up of ten pairs of these children to 3– years of age, a growth deficit was noted from about months of age In a 3-year longitudinal...
Ngày tải lên: 12/02/2014, 19:20
Tài liệu STUDIES OF AMERICAN FUNGI, MUSHROOMS, EDIBLE, POISONOUS, ETC ppt
... The center of the gill is called the _trama_ The trama in the case of this plant is made up of threads with rather long cells Toward the outside of the trama the cells branch into short cells, which ... rupture of veil, showing tendency to double annulus on the stem Portions of the veil also dripping from margin of pileus (Natural size.)] =The Color of the Gills.= The color of the gills of the ... propagation of mushrooms The spawn is nothing more than the vegetative portion of the plant It is made up of countless numbers of delicate, tiny, white, jointed threads, the _mycelium_ =Mycelium of a...
Ngày tải lên: 13/02/2014, 12:20
Tài liệu Báo cáo khoa học: Structural and functional studies of the human phosphoribosyltransferase domain containing protein 1 docx
... metabolic consequences of having HPRT deficiency are an overproduction of uric acid and elevated levels of PRPP [3] Patients having mutations resulting in partial HPRT deficiency often suffer from gouty ... analysis of a wide range of species indicates that HPRT have eleven completely conserved amino acids, whereas PRTFDC1 genes not show full conservation of these eleven residues [10,11] Because one of ... Escherichia coli cells In the structure the base of bound GMP is stacked between Val143 and Phe194 N1, N2 and O6 of the nucleotide form hydrogen bonds to main chain atoms, whereas the side chain of Lys173...
Ngày tải lên: 15/02/2014, 01:20
Tài liệu Báo cáo khoa học: Enzymatic and electron paramagnetic resonance studies of anabolic pyruvate synthesis by pyruvate: ferredoxin oxidoreductase from Hydrogenobacter thermophilus doc
... result of NADH oxidation was measured One unit of enzyme activity was defined as the reduction of lmolÆmin)1 of NADH (corresponding to the carboxylation of lmolÆmin)1 of acetyl-CoA) Quantification of ... extinction coefficient of 6200 m)1Æcm)1 One unit of enzyme activity was defined as the oxidation of lmolÆmin)1 of NADH POR enzyme assays The oxidative decarboxylation activity of POR was assayed at ... atmosphere The reduction of metronidazole was calculated using an extinction coefficient of 9300 m)1Æcm)1 One unit of enzyme activity was defined as the reduction of lmolÆmin)1 of metronidazole (corresponding...
Ngày tải lên: 16/02/2014, 09:20
Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx
... effects of one of the substrates, i.e pantoate [8,9] One of the interesting features of the plant PSs is the presence of a conserved 24 residue insertion in the sequence [9] This sequence of amino ... we report the results of the structural studies of the pantoate-bound form of the N-terminal domain of E coli PS (nPS) The structure and substrate-binding interactions of E coli nPS have been ... The overlay of selected regions of H–15N correlation spectra, highlighting cumulative changes in chemical shifts of specific residues of nPS as a function of substrate(s) The resonances of free nPS...
Ngày tải lên: 16/02/2014, 09:20
Tài liệu A REVIEW OF INDOOR AIR POLLUTION AND HEALTH PROBLEMS FROM THE VIEWPOINT OF ENVIRONMENTAL HYGIENE: FOCUSING ON THE STUDIES OF INDOOR AIR ENVIRONMENT IN JAPAN COMPARED TO THOSE OF FOREIGN COUNTRIES pptx
... H and Mizumoto, Y (2006) Estimation of Intake Level of Di (2-ethylhecyl) phthalate (DEHP) of Japanese pregnant woman based on measurement of concentrations of three urinary metabolites Jpn J Hyg., ... concentration of some organic compounds is regulated The WHO has proposed guideline value of organic compounds,67) as has The Ministry of Health, Labor and Welfare in Japan.68) The effect of volatile ... systematic review of provocation studies, J Allergy Clin Immunol., 118, 1257–1264 Hojo, S., Sakabe, K., Ishikawa, S., Miyata, M and Kumano, H (2009) Evaluation of subjective symptoms of Japanese patients...
Ngày tải lên: 17/02/2014, 22:20
Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx
... deuteration of C2¢ of the epimerase product The lack of deuteration of the C2¢ of DHMP is not due to the lack of deuterons, because it has been shown previously that the 6-hydroxymethyl group of the ... is presumably related to the sizes of the Fig Stopped-flow analysis of the binding of HPO to SaDHNA The concentration of SaDHNA was lM, and the concentrations of HPO were 10, 20, 30, and 40 lM ... association rate constant of HPO (0.55 lm)1Æs)1) was very similar to that of HP (0.65 lm)1Æs)1), but the dissociation rate constant of HPO (0.062 s)1) was about a quarter of that of HP (0.26 s)1), suggesting...
Ngày tải lên: 19/02/2014, 00:20
Tài liệu Báo cáo khoa học: Functional studies of active-site mutants from Drosophila melanogaster deoxyribonucleoside kinase Investigations of the putative catalytic glutamate–arginine pair and of residues responsible for substrate specificity docx
... levels of phosphorylation expressed in relation to percentage dThd phosphorylation of the wild-type Relative phosphorylation expressed as a relation of the percentage of dThd phosphorylation of the ... phosphorylation of dGuo was reduced markedly Structure of Dm-dNK-E52D in complex with dTTP The structure of one of the mutants, E52D, was solved ˚ using X-ray crystallography at a resolution of 2.5 A ... illustrating the binding of the feedback inhibitor dTTP and the position of Mg2+ in the active site Mg ion that coordinates the phosphates of dTTP (Fig 3) Discussion Mutation of residues in the active...
Ngày tải lên: 19/02/2014, 02:20