... obtained with this in vitro system seemed to reflect this phenomenon in vivo Stimulation of the binding of LBR to chromatin by phosphorylation by a kinase(s) in a synthetic phase egg cytosol Chromatin ... semiquantitatively by this method The effects of enzymes, inhibitors and other reagents on the cell cycle– dependent interaction could also be examined very easily by means of this method This method is applicable ... LBR, binding to chromatin was shown by sperm chromatin in vitro ([6,13]; this study), and by mitotic phase chromosomes from CHO cells [5] Regulation of the binding of LBR to chromatin by phosphorylation...
Ngày tải lên: 22/02/2014, 04:20
... after administration to mice Background Sepsis is a complex syndrome that results from the host response to infection Systemic effects of Gram-negative sepsis are mediated in large part by lipopolysaccharide ... responses to inflammatory stimuli Circ Res 1997, 81:274-281 Fleet JC, Clinton SK, Salomon RN, Loppnow H, Libby P: Atherogenic diets enhance endotoxin-stimulated interleukin-1 and tumor necrosis factor ... analysis software (UVP-Labworks Analysis), normalized to β-actin expression in each sample The densitometric ratio of target mRNA signal to β-actin signal was calculated Hepatic fibrosis was...
Ngày tải lên: 11/08/2014, 08:21
Báo cáo y học: "Nuclear import of Avian Sarcoma Virus integrase is facilitated by host cell factors" pdf
... protein to cytoplasmic components of the cell that remain after permeabilization Discussion Figure mediated import is inhibited by excess histone H1 ASV IN ASV IN mediated import is inhibited by excess ... Nor is this binding to cytosolic components likely to be due to aggregation; the IN fragment 1–207 is monomeric in solution at high concentrations, and yet this protein exhibits prominent cytoplasmic ... by Transportin, was unaffected by the competitor This result shows that the excess histone H1 is not simply blocking all nuclear import, but is a specific competitor for import of ASV IN While...
Ngày tải lên: 13/08/2014, 05:21
Tài liệu Final presentation Topic: “What is the marketing mix? Key points to successful marketing” pdf
... willingness to pay The third composition of marketing mix is place That means by which products and services get from producers to consumers The more places to buy and the easier it is made to buy ... buy this product and why they want to buy it - How much are the customers willing to pay for this product? - How can business persuade the customers buy their product instead of their competitors’? ... tends to charge premium prices as evidenced by the high cost of a season ticket to watch home league games As you know, marketing is the important process to make successful of a product How to...
Ngày tải lên: 13/12/2013, 14:15
Tài liệu Báo cáo khoa học: Reversible tetramerization of human TK1 to the high catalytic efficient form is induced by pyrophosphate, in addition to tripolyphosphates, or high enzyme concentration ppt
... synthesis is phosphorylation of thymidine (dThd) to dTMP Two thymidine kinases catalyze this step, the cytosolic TK1 and the mitochondrial TK2 (EC 2.7.1.21 for both TK1 and TK2), encoded by two ... differences in behaviour after dilution to lgÆmL)1 indicate that dissociation of the tetramer to the dimer is a slowly progressing process This is supported by the kinetic behaviour of the recombinant ... values is exclusively displayed by the tetramer forms, and lowefficiency kinetics with high Km values is displayed by the dimer forms These observations strengthen the previous hypothesis that...
Ngày tải lên: 18/02/2014, 12:20
Báo cáo khoa học: The autophagic response to nutrient deprivation in the hl-1 cardiac myocyte is modulated by Bcl-2 and sarco⁄endoplasmic reticulum calcium stores ppt
... autophagosomes and cargo by lysosomal proteases [2,3] The autophagic pathway is crucial for maintaining cell homeostasis and disruption to the pathway can be a contributing factor to many diseases ... technique we employed is specific to quantify macroautophagy Such a distinction is relevant, as chaperonemediated autophagy, which targets cytosolic proteins, is strongly stimulated by ketone bodies, which ... homeostasis is maintained by the opposing processes of release by the ryanodine receptor and re-uptake by SERCA Thapsigargin (TG), a selective SERCA inhibitor, can be used to deplete S ⁄ ER calcium stores...
Ngày tải lên: 07/03/2014, 09:20
Báo cáo khoa học: Tumor necrosis factor-a converting enzyme is processed by proprotein-convertases to its mature form which is degraded upon phorbol ester stimulation pptx
... efflux is mediated by the second messenger inositol 1,4,5-trisphoshate, which is generated together with diacylglycerol from phosphatidyl inositol 4,5-bisphosphate by PLCb Obviously, receptor mediated ... was inhibited by blocking endocytosis [39] it is possible that the effect of phorbol esters on TACE maturation depends on vesicle formation and endocytosis PMA is known to bind to the C1b domain ... antibody (A) Inhibition of TACE processing by the inhibitor decanoyl-RVKR-chloromethylketone The inhibitor was added to a final concentration of 30 lM to HEK293 cells After 48 h the cells were...
Ngày tải lên: 08/03/2014, 02:20
Báo cáo khoa học: Transcriptional regulation of the desferrioxamine gene cluster of Streptomyces coelicolor is mediated by binding of DmdR1 to an iron box in the promoter of the desA gene doc
... et al linked by amide bonds They are produced by many Streptomyces species, including Streptomyces coelicolor [5], Streptomyces griseus [6] and Streptomyces pilosus; the latter is used for industrial ... of the desABCD cluster is coordinately regulated by iron concentrations in the culture medium, and this regulation is mediated by binding of the regulatory protein DmdR1 to the iron box located ... metabolism [23] All the evidence from this work indicates that the desABCD cluster is expressed as a polycistronic 1116 transcript Expression of the four genes is coordinately regulated by iron...
Ngày tải lên: 16/03/2014, 11:20
Báo cáo khoa học: In vitro gamma-secretase cleavage of the Alzheimer’s amyloid precursor protein correlates to a subset of presenilin complexes and is inhibited by zinc potx
... that two-step purified MC99-3FLAG is an appropriate substrate to study tissue-derived c-secretase activity that is inhibited by a specific c-secretase inhibitor and is detergent concentration-sensitive ... its interaction with transmembrane substrates This is supported by our work and by other studies showing its activity is highly sensitive to factors that FEBS Journal 272 (2005) 5544–5557 ª 2005 ... immunoreactivity with the resulting C101-3FLAG signal quantified by image densitometry This data (y-axis) was plotted according to fraction number (x-axis) The elution points for blue dextran (void), BSA...
Ngày tải lên: 16/03/2014, 23:20
Báo cáo khoa học: Proteolysis of the tumour suppressor hDlg in response to osmotic stress is mediated by caspases and independent of phosphorylation pot
... radiation This phosphorylation is mediated by p38c MAPK and triggers its dissociation from the cytoskeletal protein GKAP, therefore releasing it from the cytoskeleton into the cytoplasm [3] Our ... when apoptosis is initiated in HeLa cells exposed to hypertonicity, activation of caspases causes the proteolysis of hDlg at YEVD747 and this releases it from the cortical cytoskeleton at the ... 80 Sorbitol UV-C Apoptosis(%) 60 40 20 Fig Cellular stresses induce apoptosis in HeLa cells (A) HeLa (black bars) or HEK293 cells (grey bars) were exposed to 0.5 M sorbitol for 60 or to UV irradiation...
Ngày tải lên: 23/03/2014, 06:20
Báo cáo khóa học: Fidelity of targeting to chloroplasts is not affected by removal of the phosphorylation site from the transit peptide doc
... into some isolated plant mitochondria has been shown to not be robust, as photosynthetic protein precursors like plastocyanin are imported and processed [19,29] In an attempt to overcome this ... transcripts of mitochondrial preproteins, directing them to ribosomes in closer proximity to mitochondria [32] Also in fungi, the acidity of Tom22 at the mitochondrial surface is thought to provide ... using Arabidopsis leaf material for biolistic transformation (data not shown) Discussion In this paper, we have used the ability to image GFP fluorescence in living plant tissue by confocal microscopy,...
Ngày tải lên: 23/03/2014, 12:20
Báo cáo khóa học: Emerin binding to Btf, a death-promoting transcriptional repressor, is disrupted by a missense mutation that causes Emery–Dreifuss muscular dystrophy pdf
... expressed in disease-affected tissues, and potentially disrupted by disease-causing mutations in emerin, remain to be discovered An important next step is to identify genes regulated by emerin-dependent ... either to Bcl-2 or emerin; in cells that lack functional emerin this balance would be lost, potentially leading to increased Btf binding to Bcl-2 and entry into apoptosis This hypothesis is supported ... binding to Btf is specifically and selectively disrupted by the disease-associated S54F missense mutation in emerin The implications of these findings for possible EDMD disease mechanisms are discussed...
Ngày tải lên: 23/03/2014, 12:20
Báo cáo sinh học: " Panicovirus accumulation is governed by two membrane-associated proteins with a newly identified conserved motif that contributes to pathogenicity" pptx
... Symptomatic tissue from each mutant (Fig 5C) was rubinoculated to healthy millet to evaluate if passage would affect symptom development or virus accumulation Symptom development was delayed by ... Practical Approach Edited by: Davison AJ and Elliot RM Oxford, IRL Press; 1993:1-34 Scholthof HB, Morris TJ, Jackson AO: The capsid protein gene of tomato bushy stunt virus is dispensable for systemic ... 32P-labelled cDNA to detect PMV genomic (g) and subgenomic (sg) RNAs or SPMV RNA, respectively (B) RNA blot of total RNA isolated from protoplasts inoculated with RT-Stop, Amb-Tyr, or both (RTStop + Amb-Tyr)...
Ngày tải lên: 19/06/2014, 08:20
báo cáo hóa học: " Astrocyte production of the chemokine macrophage inflammatory protein-2 is inhibited by the spice principle curcumin at the level of gene transcription" pptx
... neutrophils to the CNS is followed by a breeching of the blood-brain barrier that is especially severe after administration of MIP-2[21] and may further contribute to inflammation by causing indiscriminate ... CNS inflammation by mechanisms distinct from its antioxidant and known anti-inflammatory activities, we examined the effect of this spice principle on the synthesis of MIP-2 by astrocytes Our ... Alzheimer's disease[8] Relatively unexplored, but relevant to its potential therapeutic efficacy in neuroinflammatory syndromes is the effect of curcumin on chemokine production An active role for chemokines...
Ngày tải lên: 19/06/2014, 22:20
báo cáo hóa học: " The acute inflammatory response to intranigral a-synuclein differs significantly from intranigral lipopolysaccharide and is exacerbated by peripheral inflammation" pptx
... analysed by immunohistochemistry using an anti-ICAM-1 antibody ICAM is ubiquitously expressed at low concentrations but will increase after exposure to proinflammatory cytokines in order to facilitate ... data is discussed below NFĸB exists as a heterodimer of p65 and p50, which, in the resting state, has a cytoplasmic distribution The activation of macrophages by proinflammatory cytokines and by ... were fixed with acetone/methanol at 30 minutes, hours and 24 hours The NFĸB p65 subunit was visualised by immunohistochemistry and the cells were counterstained with DAPI to examine whether the...
Ngày tải lên: 19/06/2014, 22:20
Báo cáo hóa học: " Glycerol conversion to 1, 3-Propanediol is enhanced by the expression of a heterologous alcohol dehydrogenase gene in Lactobacillus reuteri" ppt
... phosphate is channeled more towards ethanol production (Figure 5) This is most likely reflected as a shift in metabolism from acetate to ethanol production, resulting in reduced ATP synthesis The ... flux from central carbon metabolism towards 1, 3-PD synthesis should be complemented by adequate levels of enzymes and cofactors involved in the pathway In this work, we have expressed an E coli ... reduction of glycerol to 1, 3-propanediol by Lactobacillus brevis and Lactobacillus buchneri Syst Appl Microbiol 5:169–178 Song H, Lee SY (2006) Production of succinic acid by bacterial fermentation...
Ngày tải lên: 20/06/2014, 23:20
IT IS WHAT IT IS…BUT IT DOESN’T HAVE TO BE THAT WAY By Janyata Frazier pot
... somewhere reading this book wants to either be bigger or thinner The fellas tend to want to bulk up, and the ladies tend to want to get leaner Either way, this is something you have power to change That’s ... are going to take him to Disney World Every time he sees you heading toward the door, he’s right behind you, hoping that you’re going to make his dreams come true by taking him to Disney World ... the list And, once it was on the list, I was committed to getting it done So, what’s on your list? What you want to accomplish? When is it due? Write it down, and set a date You want to kiss in...
Ngày tải lên: 28/06/2014, 00:20
Life Is A Soap Bubble: 100 Ways To Look At Life By Osho
... what is, is What is there to laugh or cry about? If life is a reality, so death is a reality What is, is To want it to be otherwise is to create unhappiness 48 Once I was very ill The doctors ... yet it exists Love cannot be seen and yet it exists God is also like that.” Not only that which is visible exists, the invisible also exists And the invisible is more profound than the visible ... fight to deny darkness This is also a mistake The person who resigns himself to darkness is mistaken and so is someone who fights it You don’t have to be resigned to darkness, nor you have to fight...
Ngày tải lên: 21/07/2014, 10:48
Báo cáo y học: "Chondrocyte response to growth factors is modulated by p38 mitogen-activated protein kinase inhibition" pdf
... low, but inhibitory, concentration of 0.1 ng/ml was used, and in this case there is a modest blunting of its action to diminish matrix proteoglycan synthesis by the p38 MAPK inhibitor SB 202190 ... production by p38 MAPK inhibitors is responsible for some, but not all, of the restoration of proliferation in response to growth factors p38 MAPK inhibition also blunted IL-1-stimulated PGE2 synthesis ... from these factors The data suggest, however, that the diminution of NO synthesis by p38 MAPK inhibitors may contribute to their ability to blunt the anti-anabolic actions of IL-1 This pathway may...
Ngày tải lên: 09/08/2014, 01:23