splitsville the cell cycle and cell division
Tài liệu The financial cycle and macroeconomics: What have we learnt? pdf
Ngày tải lên :
17/02/2014, 21:20
... generally rule out the presence of such disequilibrium stocks, and when they incorporate them, they assume them exogenously, not see them as the legacy of the preceding boom and treat them as exogenous ... series (credit, the credit to GDP ratio and house prices) using the turning-point method The blue line traces the financial cycle measured as the average of the medium-term cycle in the component ... of the component series (credit, the credit to GDP ratio and house prices) using the turning-point method The blue line traces the financial cycle measured as the average of the medium-term cycle...
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Báo cáo khoa học: "Plasma Melatonin Levels in Relation to the LightDark Cycle and Parental Background in Domestic Pig" ppt
Ngày tải lên :
12/08/2014, 15:20
... parallel to the standard curve The intra-assay and inter-assay coefficients of variations for 20 assays, were 13.1% and 8.2% (2.4 pg/ml), and 8.4% and 8.0% (19.5 pg/ml), respectively, and the sensitivity ... time-ofday, sex or father, melatonin from the piglets were reanalysed in a model with time-of-day, mother(litter) and the interaction between mother(litter) and time-of-day as fixed effects and individual ... either bleeding occasion The adults and the young animals were bled at different times of the year When wild and domestic pigs were compared in seasons, the melatonin rhythm was entrained by the...
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Báo cáo khoa học: Injection of poly(b-L-malate) into the plasmodium of Physarum polycephalum shortens the cell cycle and increases the growth rate pot
Ngày tải lên :
16/03/2014, 18:20
... propose that the underlying mechanism by which PMLA increases the growth rate and shortens the duration of the cell cycle is the polymer-inherent isosterism of the carboxylates with the array of ... and the stage of the cell cycle determined as described previously [18] The stages could be fairly well predicted by calculation, taking into account the time elapsed after the fusion and the ... on the high PMLA producing yellow plasmodia (Table 1) The greater sizes persisted until the end of the experiment We then tested whether the plasmodial size (growth rate, Fig 2A,C,E) and the...
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Báo cáo khoa học: Dynamic association of MLL1, H3K4 trimethylation with chromatin and Hox gene expression during the cell cycle ppt
Ngày tải lên :
23/03/2014, 06:20
... cyclins E and B, as a function of the cell cycle Western blot analysis of the whole -cell extract and histones from different stages of the cell cycle demonstrated that the overall levels of MLL1 and ... MLL and H3K4 methylations during cell cycle in S phase may not be the same as the marks in other phases of the cell cycle (as shown by immunofluorescence staining and western blotting); rather, ... affected, they are modulated at the promoters of specific genes over different phases of the cell cycle 1630 Results and Discussion Dynamics of MLL1 and its interacting proteins during the cell cycle...
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Báo cáo khoa học: A natural osmolyte trimethylamine N-oxide promotes assembly and bundling of the bacterial cell division protein, FtsZ and counteracts the denaturing effects of urea docx
Ngày tải lên :
30/03/2014, 16:20
... Where, SN, SI and SU represent the intrinsic signal intensities of the native, intermediate and the unfolded states, respectively DGNfiI and DGIfiU are the standard free energies for the NfiI and IfiU ... 1.8 and 3.6 m in the absence and presence of TMAO, respectively Furthermore, TMAO also inhibited the GdnHCl-induced perturbation of the secondary structures of FtsZ (Fig 2C) Taken together the ... ± and 59 ± nm in the absence and presence of 0.8 m TMAO, respectively (Fig 6) Taken together, these results indicated that TMAO increased the light-scattering signal of the assembly reaction and...
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Báo cáo khoa học: "Malignant mixed Mullerian tumors of the uterus: histopathological evaluation of cell cycle and apoptotic regulatory proteins" ppt
Ngày tải lên :
09/08/2014, 03:21
... tumor cell proliferation is frequent in tumor cells with the progression of a normal cell to a transformed tumor cell involving many genetic events that include the checkpoints of the cell cycle ... bcl-2 family of genes and the ICE family of proteases These components interact with other cell cycle related genes such as p53 The central role of the Bcl-2 family of genes in the regulation of ... analyzed for the presence of various biological markers, including both cell cycle and apoptotic regulatory proteins The cell cycle proteins studied include p16, p21, p27, p53, Cyclin D1 and Ki67...
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Báo cáo y học: "Serum-dependent transcriptional networks identify distinct functional roles for H-Ras and N-Ras during initial stages of the cell cycle" doc
Ngày tải lên :
09/08/2014, 20:20
... initial stages of the cell cycle and confirm the notion of functional specificity for the H-Ras and N-Ras isoform proteins Materials and methods Cell culture Cell lines from the appropriate ras ... primary cell metabolism, signal transduction, cell development and differentiation and cell adhesion (Figure 4) In particular, the categories of primary cell metabolism and cell development and differentiation ... we wished to characterize the participation, if any, of these proteins in the process of entry into the cell cycle of G0, growth arrested cells (G0/G1 transition) and the subsequent steps of progression...
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Báo cáo y học: "Two specific drugs, BMS-345541 and purvalanol A induce apoptosis of HTLV-1 infected cells through inhibition of the NF-kappaB and cell cycle pathways" ppsx
Ngày tải lên :
10/08/2014, 05:21
... of cell cycle regulatory proteins is considered to promote cell cycle progression and overcome cellular checkpoints Tax activates the expression of cyclin D2, cyclin E, CDK2, and CDK4 and the ... the LTR promoter and promoted apoptosis [62] Along these lines, we also assayed for changes in cell cycle progression and apoptosis in these cells using FACS analysis Results in Figure show the ... some cell cycle- associated genes and accelerate cell cycle progression in G1 phase [46-50] Tax targets cell cycle regulators such as p53, cyclin dependent kinases (CDKs) and 6, cyclin D2, and...
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Báo cáo y học: " Single cell studies of the cell cycle and some models" pps
Ngày tải lên :
13/08/2014, 22:22
... interferometry and then placed it in the cycle by following it as it moved about until it divided The difference in timing between the measurement and cell division gave the timing in the cycle A second ... quarters of the cycle but rather two linear segments with a rate change point (RCP) between them The position of the RCP showed a large cell- to -cell variation An important moral here is that these ... showed the plateau in growth during the last quarter of the cycle This distinction between single cells and synchronous cultures does of course depend on the frequency and accuracy of the data...
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Báo cáo y học: "Metabolic cycle, cell cycle, and the finishing kick to Start" potx
Ngày tải lên :
14/08/2014, 16:21
... the cell cycle: all the cells in the culture align at the same place in the cell cycle and then progress through the cycle together, an effect first seen more than 35 years ago [9-13] Again the ... culture The cells receiving the ethanol can therefore grow faster, and so can catch up to the more advanced cells Once they catch up, they too become feeders rather than receivers To say the same ... results The compartment hypothesis is championed by Tu et al [7], and it states that some of the different metabolic processes in the cell are incompatible with one another and therefore they are...
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Báo cáo y học: "RNA interference pinpoints regulators of cell size and the cell cycle" doc
Ngày tải lên :
14/08/2014, 16:21
... of cells in G1, decreased the percentage of cells in G2, increased the percentage of cells undergoing apoptosis and decreased both G1 and G2 cell size It is tempting to speculate that these cells ... regulate cell size Another aim of the screen was to identify genes whose downregulation alters cell size Becuase cells grow as they progress through the cell cycle, dsRNAs that increase the proportion ... on growth or the distribution of cells in the cell cycle These two possibilities could be distinguished by examining the effect of these dsRNAs on cell number Intriguingly, many of these hits for...
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Regulation of DNA (cytosine 5) methyltransferase 1 in the cell cycle and its role(s) in doxorubicin mediated micronuclei formation
Ngày tải lên :
14/09/2015, 14:13
... RESULTS AND DISCUSSION Regulation of DNMT1 expression in the Cell Cycle 3.1.1 Inverse relationship between DNMT1 and p21WAF1 in the 63 cell cycle 3.1.1.1 3.1.1.2 DNMT1 expression in the cell cycle ... 2008) 1.4 DNMT1 in the Cell Cycle DNMT1 is constitutively expressed in mammalian cells but the expression level is cell cycle- regulated The interplay between DNMT1 and other cellular proteins ... involved in the regulation of cell cycle progression The p21WAF1 protein is ubiquitiously expressed in mammalian cells (Vidal and Koff, 2000), and the stability 30 of the protein is regulated by the...
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Tài liệu Báo cáo khoa học: Evolutionary divergence of valosin-containing protein ⁄cell division cycle protein 48 binding interactions among endoplasmic reticulum-associated degradation proteins ppt
Ngày tải lên :
18/02/2014, 13:20
... Thus, there are differences between mammals and S cerevisiae in the sequences mediating binding both on the Ube4b–Ufd2p side [8] and on the VCP–Cdc48p side We then investigated whether the binding ... to each other in this region [30,31] Neither of these sequences bound VCP in the GST pulldown assay (Fig 1A, lanes and 2), indicating both the importance of neighbouring amino acids and the specificity ... bind VCP and in the relative orientation of proteins and their key functional domains within the complex Future studies now need to address the extent of these structural differences, the consequences...
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Signaling at the Cell Surface in the Circulatory and Ventilatory Systems docx
Ngày tải lên :
05/03/2014, 22:21
... (e.g., fatty and bile acids and sterols), and xenobiotics M Thiriet, Signaling at the Cell Surface in the Circulatory and Ventilatory Systems, Biomathematical and Biomechanical Modeling of the Circulatory ... basic knowledge and state of the art on the biology and the mechanics of blood and air flows The cardiovascular and respiratory systems are tightly coupled, as their primary function is the supply ... both on the wetted surface of physiological conduits and within the wall by cells involves plasmalemmal ion carriers and receptors, among other molecules of the cell surface The signal then propagates...
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Báo cáo khoa học: Molecular and functional characterization of a novel splice variant of ANKHD1 that lacks the KH domain and its role in cell survival and apoptosis docx
Ngày tải lên :
07/03/2014, 21:20
... apoptosis in the bystander-uninfected population, given the fact that VBARP is abundantly present in many of the tested human primary cells Understanding the functions and identifying the other regulatory ... domains in VBARP Also, the use of unsynchronized cells in these analyses further confirmed that the cytoplasmic distribution of VBARP is independent of the cycling stage of the cells Identification ... of cell viability in VBARP and control siRNA-treated cells was 20 and 75, respectively The number of viable cells in the VBARP siRNA-treated group was reduced in a dosedependent manner At the...
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Báo cáo khoa học: Site-specific phosphorylation of MCM4 during the cell cycle in mammalian cells pot
Ngày tải lên :
16/03/2014, 13:20
... HeLa cells were incubated with nocodazole Cells detached from the bottle by shaking were collected and named mitotic (M) cells Residual cells were collected and named G2 cells These cells and ... growing cells and cells synchronized at the G2 and M phase was examined (Fig 4) Because the MCM proteins, including MCM4, are almost exclusively detached from chromatin in the G2 and M phase, they ... HeLa cells Changes in the phosphorylation level during the cell cycle and the nuclear localization of phosphorylated MCM4 suggest that MCM4 phosphorylated at these sites has several distinct and...
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Báo cáo Y học: A polymer with a backbone of 3-deoxy-D-glycero -D-galacto -non-2ulopyranosonic acid, a teichuronic acid, and a b-glucosylated ribitol teichoic acid in the cell wall of plant pathogenic Streptomyces sp. VKM Ac-2124 pdf
Ngày tải lên :
17/03/2014, 10:20
... percentage of the teichoic acid ( 10 % mass of the cell wall) was calculated from the content of the teichoic acidlinked phosphorus (0.8%) and taking into account the structure of the polymer (the phosphate:glucose ... intensities of the signals in the 1H NMR spectrum It is likely that the percentages of the teichuronic acid, the Kdn-containing polymer, and the ribitol teichoic acid are 30 %, 10 %, and 10 % of the mass ... both the presence of the intraresidue correlation peak (H-1/H-5) in the ROESY spectrum and the low-field chemical shift of C-5 of this residue (HSQC spectrum) The C-2 and C-3 atoms resonated in the...
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Báo cáo khoa học: Comparison of human RNase 3 and RNase 7 bactericidal action at the Gram-negative and Gram-positive bacterial cell wall pot
Ngày tải lên :
22/03/2014, 21:20
... where the protein may have easy access to the cell membrane during duplication, and a later stage, where protein action at the wall envelope may acquire a critical role On the other hand, the viability ... iodidestained cells (dead cells), excited using an orange diode The central panels correspond to the syto 9-stained cells (live cells), excited using a 488 nm argon laser The right-hand panels correspond ... the other hand, RNase appears to alter more easily the S aureus cytoplasmic membrane than RNase The distinct abilities of both RNases to access and alter the cytoplasmic membrane may reflect their...
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Báo cáo khoa học: Collective behavior in gene regulation: The cell is an oscillator, the cell cycle a developmental process doc
Ngày tải lên :
30/03/2014, 04:20
... between the TRAC and the cell cycle The release of H2S by a significant fraction of the cells in the fermenter ensures that no cells in the fermenter will be able to respire We have suggested that the ... products of the reaction used to represent the cell cycle in each of the cells In this case, the attractor used to represent each cell was the Rossler attractor and each cell ran the identical ... metabolic cycle, transcription, DNA replication and the cell cycle heightened interest in the relationship between oscillations and the organization of phenotype The evidence that the cell is a...
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Báo cáo Y học: The DNA-polymerase inhibiting activity of poly(b-L-malic acid) in nuclear extract during the cell cycle of Physarum polycephalum pot
Ngày tải lên :
31/03/2014, 21:21
... contained in the extracts The inhibitory activity during the cell cycle The inhibitory activity during the cell cycle was measured in the presence of 0.4 U of (added) purified DNA polymerase a and the ... polynucleated giant cell among other cell forms in the life cycle [4] Interestingly, the billions of nuclei in these syncytia participate with high degree of synchrony in the division cycle All of the myxomycetes ... Therefore, the higher the concentration of free PMLA, and the lower the value of the inhibition constant (Ki), the higher the relative inhibitory activity (vo ) vi)/vi In the presence of ligands that...
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