studies of target cell volume and number

Báo cáo sinh học: " The significance of controlled conditions in lentiviral vector titration and in the use of multiplicity of infection (MOI) for predicting gene transfer events" pot

Báo cáo sinh học: " The significance of controlled conditions in lentiviral vector titration and in the use of multiplicity of infection (MOI) for predicting gene transfer events" pot

... particles) and increased number of target cells resulted in higher efficiency of gene Figure transfer Higher inoculum volumes (more vector particles) and increased number of target cells resulted ... that a number of factors within the vector titration process, ie.: the volume of inoculum, the number of target cells, cell type and viability/susceptibility, vector exposure time for uptake and ... The number of positively transduced cells and thus the transduction efficiency, was also affected by the number of target cells in the transduction process, eg.: a thirty-fold increase in cell numbers...

Ngày tải lên: 14/08/2014, 19:22

10 313 0
Báo cáo y học: "Genetic polymorphism of p53, but not GSTP1, is association with susceptibility to esophageal cancer risk – A Meta-Analysis"

Báo cáo y học: "Genetic polymorphism of p53, but not GSTP1, is association with susceptibility to esophageal cancer risk – A Meta-Analysis"

... located in epithelial cell of the mouth throat or lungs and adenocarcinoma is composed of cells of glandular tissue Over the past decades, many changes in the prevalence of esophageal cancer have ... studies with 2919 cases and 4074 controls for p53 Arg72Pro and 1885 cases and 2194 controls for GSTP1 Ile105Val 301 Materials and Methods Identification and Eligibility of Relevant Studies We attempted ... reached a consensus on all of the items Data extracted from these articles included the first author’s name, year of publication, country of origin, ethnicity, number of cases and controls, genotype...

Ngày tải lên: 25/10/2012, 11:40

9 615 0
Báo cáo y học: "TPO, but not soluble-IL-6 receptor, levels increase after anagrelide treatment of thrombocythemia in chronic myeloproliferative disorders"

Báo cáo y học: "TPO, but not soluble-IL-6 receptor, levels increase after anagrelide treatment of thrombocythemia in chronic myeloproliferative disorders"

... model of action of TPO with its receptor on target cells It is well established that serum levels of TPO are regulated by the binding of the ligand to the receptor and the endocytosis of the ligand-receptor ... reduction of the platelet count with at least 50 % of the baseline value, and treatment failure (F) as a reduction of the platelet count with < 50 % of the baseline value Here, and for the purpose of ... Analysis of the mechanism of anagrelide-induced thrombocytopenia in humans Blood 1992;79:1931-7 Bellucci S, Legrand C, Boval B, Drouet L, Caen J Studies of platelet volume, chemistry and function...

Ngày tải lên: 03/11/2012, 10:52

5 498 0
Five stories that are almost true, but not quite

Five stories that are almost true, but not quite

... very special and prosperous section of expatriate Hellenism was returning to the motherland after a century and a half of residence in Egypt to become diluted and anonymous A sense of superiority ... her, she is thousands of miles away in distance and already three days past in time They seem more like three months A deadly combination of space and time I got out of bed and left my room I ... of Egypt They had produced poets, novelists and artists of international renown, scores of philanthropists that endowed their fortunes to build schools, hospitals and stadiums both in Egypt and...

Ngày tải lên: 06/11/2012, 17:33

11 460 0
Tài liệu Báo cáo khoa học:Tyrosine phosphorylation of tau regulates its interactions with Fyn SH2 domains, but not SH3 domains, altering the cellular localization of tau ppt

Tài liệu Báo cáo khoa học:Tyrosine phosphorylation of tau regulates its interactions with Fyn SH2 domains, but not SH3 domains, altering the cellular localization of tau ppt

... induced the appearance of an  68-kDa band in wild-type, Y18F, Y29F, Y197F and Y310F tau, this band was not apparent on western blots of lysates of Y394F tau (Fig 2A) The absence of this larger species ... bands of  64 kDa in the GST–FynSH3-bound fraction from cells transfected with each of the tau constructs Densitometric analysis of Fyn-SH3bound tau as a proportion of that in corresponding cell ... NaCl ⁄ Tris and harvested in lysis buffer, as described above Preparation of GST fusion proteins and GST pulldown Isolation of DRMs Generation of GST, GST–Fyn-SH2 and GST–Fyn-SH3 and subsequent...

Ngày tải lên: 14/02/2014, 14:20

11 629 0
Tài liệu Báo cáo khoa học: Dual P2Y12 receptor signaling in thrombin-stimulated platelets – involvement of phosphoinositide 3-kinase b but not c isoform in Ca2+ mobilization and procoagulant activity pdf

Tài liệu Báo cáo khoa học: Dual P2Y12 receptor signaling in thrombin-stimulated platelets – involvement of phosphoinositide 3-kinase b but not c isoform in Ca2+ mobilization and procoagulant activity pdf

... Measurement of cytosolic cAMP and InsP3 Intracellular levels of cAMP and InsP3 in resting and activated platelets were measured as described previously [27] Basal concentrations were 2.59 ± 0.17 and ... thrombin-induced Ca2+ response, and abolished the effects of ADP, AR-C and wortmannin A B C D Fig Contribution of SERCA and phospholipase C to P2Y12-dependent prolongation of Ca2+ responses (A, B) Fura-2-loaded ... importance of the PI3-Kb isoform PI3-Kb and not PI3-Kc mediates P2Y12-dependent procoagulant activity of mouse and human platelets Prolonged elevation in [Ca2+]i can signal for surface exposure of phosphatidylserine,...

Ngày tải lên: 18/02/2014, 16:20

15 565 0
Tài liệu Báo cáo khoa học: Activated Rac1, but not the tumorigenic variant Rac1b, is ubiquitinated on Lys 147 through a JNK-regulated process docx

Tài liệu Báo cáo khoa học: Activated Rac1, but not the tumorigenic variant Rac1b, is ubiquitinated on Lys 147 through a JNK-regulated process docx

... O Visvikis et al forms of X-linked mental retardation [4] In addition, a number of bacterial virulence factors and toxins have been found to target Rho GTPases and to induce various chemical ... Ubiquitination and proteasomal degradation of Rac1L61 and Rac1b (A) Activated Rac1L61 undergoes ubiquitination in HEK293 cells Ubiquitination of Rac was assessed by transfecting HEK293 cells with ... form of Rac1, in the presence of UbR48 (C) Ubiquitinated forms of Rac1L61 accumulate in the presence of the proteasomal inhibitor MG132 HEK293 cells were transfected with a combination of expression...

Ngày tải lên: 18/02/2014, 16:20

11 470 0
Cytoskeleton reorganization mediates alpha beta integrin-associated actions of laminin on proliferation and survival, but not on steroidogenesis of ovine granulosa cells pdf

Cytoskeleton reorganization mediates alpha beta integrin-associated actions of laminin on proliferation and survival, but not on steroidogenesis of ovine granulosa cells pdf

... cytochalasin D on cell numbers, proliferation and pyknotic rates of GC cultured on LN substratum Effect of3 Effect of cytochalasin D on cell numbers, proliferation and pyknotic rates of GC cultured ... containing GC from numbers, and RGD on subpyknotic anti-α6 different ratios follicles culturedpeptides Effect of6 rates ofIgG on cellsmall of LNproliferation and Effect of anti-α6 IgG on cell numbers, proliferation ... ratios of LN and RGD peptides GC from large follicles were cultured for 144 h as described in legend of Figure (a): numbers of cells at 144 h of culture; (b): pyknotic rates of GC at 48 h of culture...

Ngày tải lên: 05/03/2014, 17:20

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Blackwell Science, Ltd Group breeding dramatically increases reproductive success of yearling but not older female scrubwrens: a model for cooperatively breeding birds? ppt

Blackwell Science, Ltd Group breeding dramatically increases reproductive success of yearling but not older female scrubwrens: a model for cooperatively breeding birds? ppt

... attempt was measured as the number of young fledged or the probability of fledging any young Number fledging was estimated as the number banded (when or 10 days old), less the number found dead in the ... appropriate to use ‘nests’ as the unit of analysis In this case the proportion of nests that were successful was modelled, using number of successful nests out of the number of attempts for each female, ... probability of fledgling at least one young from individual nesting attempts of scrubwrens Samples sizes, shown above bars, are the number of females; statistical analyses used number of successes out of...

Ngày tải lên: 14/03/2014, 16:20

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Dangerous But Not Omnipotent pptx

Dangerous But Not Omnipotent pptx

... coordination of meetings and flow of information We would also like to thank Andrew Hoehn, Vice President and Director, RAND Project AIR FORCE, and David Ochmanek, Director of PAF’s Strategy and Doctrine ... who conceived of the study and offered valuable guidance, advice, and encouragement David Ochmanek also offered a useful and thorough critique of draft versions of this monograph RAND colleagues ... should be of interest to U.S security policymakers, military planners, and analysts and observers of regional affairs in the Middle East and Central and South Asia RAND Project AIR FORCE RAND Project...

Ngày tải lên: 15/03/2014, 21:20

233 229 0
Báo cáo khoa học: Protein crystallography for non-crystallographers, or how to get the best (but not more) from published macromolecular structures potx

Báo cáo khoa học: Protein crystallography for non-crystallographers, or how to get the best (but not more) from published macromolecular structures potx

... the number of ligands, the geometry of the coordination sphere, and the B-factor of the ion and its environment For example, the distance between ˚ calcium and oxygen atoms should be  2.40 A and ... outline of the process leading to the solution of crystal structures and after discussion of the appearance of the electron-density maps and the indicators of quality of both the experimental data and ... X-rays – the shape and symmetry of the cell define the directions of the diffracted beams, and the locations of all atoms in the cell define their intensities The larger the unit cell, the more diffracted...

Ngày tải lên: 16/03/2014, 06:20

21 571 0
Báo cáo khoa học: H2O2, but not menadione, provokes a decrease in the ATP and an increase in the inosine levels in Saccharomyces cerevisiae An experimental and theoretical approach pot

Báo cáo khoa học: H2O2, but not menadione, provokes a decrease in the ATP and an increase in the inosine levels in Saccharomyces cerevisiae An experimental and theoretical approach pot

... consumption of glucose and the synthesis of ethanol in yeast cells treated with H2O2, which produced a decrease in both the consumption of glucose and synthesis of ethanol The apparent effect of H2O2 ... study of oxidative response of S cerevisiae, and of other cell types, to stress can be focused under different aspects: the oxidative defence systems of the cell, inducible adaptive responses and ... experimental conditions the eect of H2O2 on either the rate of glucose consumption or on the rate of synthesis of ethanol At the usual concentrations of both glucose (2%) and yeast cells (around 1.2 D600...

Ngày tải lên: 17/03/2014, 10:20

12 506 0
Báo cáo Y học: Ruk is ubiquitinated but not degraded by the proteasome ppt

Báo cáo Y học: Ruk is ubiquitinated but not degraded by the proteasome ppt

... (B) An aliquot of each cell lysate was immunoblotted with anti-EE antibody to check expression of Ruk isoforms (C) Fig Heterodimerization of Ruk L with Ruk M and Ruk S Hek293 cells were transfected ... and 200 lM for chloroquine (Chloro)] Cells were lysed and the quantity of protein measured by Bradford assay 10 lg of total protein from each cell lysate was separated by SDS/PAGE The level of ... involves the proline-rich domain of Cbl and the SH3 domain of P85 and while the other implicates a phosphorylated C-terminal tyrosine (Y731) of Cbl and an undefined domain of P85 [32,33] We previously...

Ngày tải lên: 17/03/2014, 23:20

7 317 0
Báo cáo khoa học: Amyloid structure – one but not the same: the many levels of fibrillar polymorphism potx

Báo cáo khoa học: Amyloid structure – one but not the same: the many levels of fibrillar polymorphism potx

... properties of amyloid assemblies lies in the regularity and repetitiveness of their underlying molecular architecture of intermolecular b-strands stacked perpendicular to the fibril axis [18], often ... atomic resolution structures of the molecular packing of peptides in amyloid-like structures are beginning to emerge [19], much of our understanding of the structure of amyloid-like fibrils comes ... parallel bundles of two or more protofilaments (Fig 1) Fibril preparations often contain several different morphologies, and for some of these the turn lengths and 4592 Fig Comparison of representative...

Ngày tải lên: 23/03/2014, 03:20

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Báo cáo khoa học: Insulin is a kinetic but not a thermodynamic inhibitor of amylin aggregation pot

Báo cáo khoa học: Insulin is a kinetic but not a thermodynamic inhibitor of amylin aggregation pot

... min, and 200 lL of supernatant of the sample was loaded into an HPLC system for SEC analysis The concentration of amylin was 10 lM, and the concentration of insulin was 100 lM Intensity of ThT ... interaction between amylin and insulin may contribute to the pathogenesis of T2D [2,3,7] Several studies have investigated the effects of insulin on amylin aggregation, and suggested that insulin ... different time periods The concentration of amylin was 10 lM in each sample The concentration of insulin was 10 lM in (B) and (D), and 100 lM in (E) The identity of each sample is shown (A,B) Samples...

Ngày tải lên: 23/03/2014, 04:21

7 388 0
Báo cáo khoa học: Novel isoenzyme of 2-oxoglutarate dehydrogenase is identified in brain, but not in heart potx

Báo cáo khoa học: Novel isoenzyme of 2-oxoglutarate dehydrogenase is identified in brain, but not in heart potx

... protein bands of our preparation as follows: E1o (band 1), E2p (band 2), E3 (band 3), E2o and the E3-binding component of the pyruvate dehydrogenase complex (protein X; band 4), E1pa (band 6), ... sample volume and ⁄ or relative content of the microsomes The interference of the elution volumes of OGDHC and microsomes, I, was calculated from the elution profiles as the percentage of the ... Processing of the spectra was performed by the use of data analysis software package and biotools software from Bruker A peptide mass tolerance of ± Da, a fragment mass tolerance of ± Da and one...

Ngày tải lên: 23/03/2014, 06:20

17 389 0
Báo cáo khoa học: The activation of gelsolin by low pH The calcium latch is sensitive to calcium but not pH docx

Báo cáo khoa học: The activation of gelsolin by low pH The calcium latch is sensitive to calcium but not pH docx

... Effects of intracellular pH on the mitotic apparatus and mitoitc stage in the sand dollar egg Cell Mot Cytoskel 37, 263–270 46 Van Duijn, B & Inouye, K (1991) Regulation of movement speed by intracellular ... interaction of G4–6 with G-actin Discussion The pH-dependence of the G2/G4–6 interface Activation of gelsolin by calcium and/ or low pH has been found to be necessary for the binding of actin [21] and ... Although intracellular pH is held close to neutral in most cell types, cell signalling involving significant changes in global intracellular pH are well documented [45,46], and these are often exaggerated...

Ngày tải lên: 23/03/2014, 21:20

8 320 0
Social capital and Health status: a protective impact among elderly or inactive but not among active ? doc

Social capital and Health status: a protective impact among elderly or inactive but not among active ? doc

... information sharing, the coordination of activity and the process of collective decision Through the introduction of social norms and sanctions, social network and institutions introduce a social ... health and mortality: a review of twenty-seven community studies" , Journal of Health and Social Behaviour, vol 38, no March, pp 21-37 Islam M.K (2007), “Essays on Social Capital, Health and Socio-economic ... assumed to enhance the responsiveness of formal institution and is required for the efficiency of government and for the economic development Putnam’s conception of social capital is in line with...

Ngày tải lên: 28/03/2014, 20:20

27 465 0
Báo cáo Y học: The C-terminal region of ammodytoxins is important but not sufficient for neurotoxicity pot

Báo cáo Y học: The C-terminal region of ammodytoxins is important but not sufficient for neurotoxicity pot

... (AtnI2 and AtxA are composed of 121 and 122 amino Fig Alignment, SDS/PAGE and CD spectra of chimeric sPLA2s (A) Amino acid sequence alignment of chimeric sPLA2s with nontoxic ammodytin I2 (AtnI2) and ... AtnI2(N24F)/AtxA(K108N) and 33.3 lM for wild-type AtnI2 Protein water solutions and water were scanned three times in a cell of mm pathlength, the spectra were then averaged and smoothed Binding studies AtxC ... Madison, WI), and the cells were grown at 37 °C in · 450 mL of LB-enriched Enzymatic activity was determined by a slightly modified standard method using a micellar substrate [26] Hydrolysis of egg-yolk...

Ngày tải lên: 31/03/2014, 08:20

6 345 0
Báo cáo sinh học: " The E5 protein of the human papillomavirus type 16 down-regulates HLA-I surface expression in calnexin-expressing but not in calnexin-deficient c" pptx

Báo cáo sinh học: " The E5 protein of the human papillomavirus type 16 down-regulates HLA-I surface expression in calnexin-expressing but not in calnexin-deficient c" pptx

... cell cycle E5 impairs ligand-mediated apoptosis by reducing the amount of surface CD95 proteins or inhibiting the formation of the DISC complex [12], and affects the normal functioning of a number ... sequences of E5 and the mutants M1, M2 and M3 Transmembrane Hidden Markov Model posterior probabilities for the sequences of E5 and the mutants M1, M2 and M3 A) Amino acid sequence of the wild-type ... the heavy chain of HLA-I; ii) that the disruption of the first transmembrane domain of HPV16 E5 modifies the subcellular distribution of the protein; and iii) that the disruption of the first transmembrane...

Ngày tải lên: 18/06/2014, 18:20

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