regulation of cell adhesion processes by la
Báo cáo hóa học: " Down-regulation of cell surface CXCR4 by HIV-1" pdf
Ngày tải lên :
20/06/2014, 01:20
... in RH9 cells Down -regulation of surface CD4 by envelope glycoproteins from the plasma membrane has been attributed at least in part to the formation of intracellular complexes consisting of HIV-1 ... a strong correlation between a lack of Env expression and expression of CXCR4 in cells of the induced cultures The distribution of CXCR4 on the minor population of induced Jurkat cells (
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Báo cáo khoa học: Regulation of translational efficiency by different splice variants of the Disc large 1 oncosuppressor 5¢-UTR potx
Ngày tải lên :
22/03/2014, 16:20
... describe a further mechanism by which the tumour suppressor activities of DLG1 may be regulated: downregulation of DLG1 by modulation of the relative expression of DLG1 5¢-UTRs Furthermore, having ... Willis AE (2003) Aberrant regulation of translation initiation in tumorigenesis Curr Mol Med 3, 597–603 Wilkie GS, Dickson KS & Gray NK (2003) Regulation of mRNA translation by 5¢- and 3¢-UTR-binding ... capable of efficient translation [42], and support the notion that alternative events in 5¢-UTRs of mammalian genes contribute to the regulation of translation It is important to note that the DLG1 large...
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effect of weld geometric profile on fatigue life of cruciform welds made by lasergmaw processes
Ngày tải lên :
24/05/2014, 20:40
... Duhamel RF Laser welding of thick plates Structural and heavy plate fabrication conference, New Orleans, LA, November 1996 [4] Kendrick A Effect of fabrication tolerance on fatigue life of welded ... estimated using results in the vicinity of the weld and not at the singular point Various extrapolation standards are used and some of the uncertainties of the effect of weld geometry are removed The ... smooth, nearly circular geometric profile was realized The fatigue tests summarized in this paper are a subset of a larger database being compiled for the qualification of laser-welded HSLA-65 steel for...
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báo cáo khoa học: "Regulation of cell cycle transition and induction of apoptosis in HL-60 leukemia cells by lipoic acid: role in cancer prevention and therapy" ppt
Ngày tải lên :
10/08/2014, 22:20
... [27] Figure of Control1 cell growth and viability in HL-60 cells by LA Control of cell growth and viability in HL-60 cells by LA (A) Cells were treated with 0, 1, 2.5 and mM LA and the cell numbers ... HL-60 cells Figure Effects of LA on cell cycle phase distribution and the expression of various cell cycle regulatory proteins in HL-60 cells (A) Cells were treated with 0, 2.5 and mM LA for ... actin by a concomitant accumulation in the G1 phase cell population (28.4% in control vs 63.1% and 74% in 2.5 and mM LA treated cells) To further explore the cell cycle arrest by LA in HL-60 cells,...
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Development of cell sheet constructs for layer by layer tissue engineering using the blood vessel as an experimental model 1
Ngày tải lên :
14/09/2015, 08:49
... result of co-culture (Takayama 2007) In spite of the many advantages of cell- sheet approaches, the technique is limited by several challenges First, the issue of vascularisation of stacked cell layers ... demonstrated fusion of cell aggregates in gels to recapitulate events in during embryonic development (Boland 2003) This was followed by the printing of tubular constructs using various types of cells, with ... and establishment of a tri-layered structure (albeit lacking in cellular orientation) (Atala 2006) In 2008, a multicentre group led by Paolo Macchiarini transplanted a deceullarised cadaveric...
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Development of cell sheet constructs for layer by layer tissue engineering using the blood vessel as an experimental model 2
Ngày tải lên :
14/09/2015, 08:49
... same medium, fibroblastic cells quickly grew out from fetal liver mononuclear cells, and failed to express endothelial phenotype 122 Chapter Isolation and Characterisation Of Vascular Progenitors ... Chapter Isolation and Characterisation Of Vascular Progenitors Figure 4-3: Primary culture of haemopoietic tissue in EGM Following culture in endothelial cell media, outgrowth colonies ... (a) umbilical cord blood mononuclear cells with typical cobblestone morphology Similarly, outgrowth cells could be generated from (b) fetal blood mononuclear cells, which appear to have a more...
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Development of cell sheet constructs for layer by layer tissue engineering using the blood vessel as an experimental model 3
Ngày tải lên :
14/09/2015, 08:49
... GO:45664: regulation of neuron differentiation GO:8361: regulation of cell size GO:16049: cell growth GO:1502: cartilage condensation GO:1558: regulation of cell growth GO:48627: myoblast development ... regulation of cell differentiation GO:45671: negative regulation of osteoclast differentiation GO:45670: regulation of osteoclast differentiation GO:51093: negative regulation of development ... myoblast differentiation GO:42692: muscle cell differentiation GO:9887: organ morphogenesis GO:7519: striated muscle development GO:8360: regulation of cell shape GO:45596: negative regulation of...
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Development of cell sheet constructs for layer by layer tissue engineering using the blood vessel as an experimental model 4
Ngày tải lên :
14/09/2015, 08:49
... poor cellular adhesion and reduced viability of the anchorage dependent cells (Vogler 1998) To overcome issues of poor adhesion and poor proliferation of EPC on µXPCL-PAAc, I studied the use of ... on cell adhesion, as well as blood compatibility Finally, I studied the assembly of cells and film to form a layered structure The tunicae in vascular tissue are unique in the composition of cells: ... Platelet Adhesion *** 8000 6000 4000 NS 2000 34 C D c A PA PC G la L ss Platelet count (per mm2) Glass Figure 6-3: Platelet adhesion studies Scanning Electron Microscope images were obtained of...
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Tài liệu Báo cáo khoa học: miRNAs and regulation of cell signaling pptx
Ngày tải lên :
14/02/2014, 19:20
... (ERa) is autoregulated by miR-18a, -19b and -20b, which in turn are upregulated by the activation of ERa This mechanism of regulation provides a wide range of coordinated cellular responses to estrogen ... compilation ª 2011 FEBS A Ichimura et al The Notch signaling pathway plays an essential role in a variety of biological processes in multicellular organisms In Drosophila, two large families of ... factor-dependent upregulation of glutamate receptors via the suppression of microRNA-132 expression Neuroscience 165, 1301–1311 Lai EC, Tam B & Rubin GM (2005) Pervasive regulation of Drosophila Notch...
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Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf
Ngày tải lên :
16/02/2014, 09:20
... is Regulated During the Cell Cycle by a CDE ⁄ CHR Tandem Element and is Downregulated by p53 but not by p63 or p73 Cell Cycle 6, 853–862 Yoshida K (2005) Cell- cycle-dependent regulation of the ... main regulator of CDE ⁄ CHR cell cycle genes, to which promoter sites does it bind during any particular phase of the cell cycle? What is the exact mechanism of p53-dependent downregulation of CDE ... promoters, mutation of the CHR leads to a more pronounced deregulation than the alteration of the CDE [40] Another gene tested for its cell cycle regulation is the cellular inhibitor of apoptosis protein...
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Tài liệu Báo cáo khoa học: Regulation of cathepsin B activity by 2A2 monoclonal antibody docx
Ngày tải lên :
18/02/2014, 11:20
... the extracellular matrix (ECM) proteins However, ECM degradation depends on the activity of both extracellular and intracellular proteases, and cathepsin B plays an active role in these processes ... visible intracellularly and pericellularly (white arrow) Addition of the 2A2 mAb to the assay medium reduced the degradation of DQ-collagen IV (B) Degradation products are visible intracellularly and ... al Regulation of cathepsin B activity Alzheimer’s disease [4,5], pancreatitis [6,7], muscular dystrophy [8] and tumour progression [9,10] The enzyme is also involved in the regulation of cell...
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Tài liệu Báo cáo khoa học: Oxygen-dependent regulation of hypoxia-inducible factors by prolyl and asparaginyl hydroxylation pdf
Ngày tải lên :
20/02/2014, 23:20
... prolyl hydroxylases [112] Global oxygen sensing by protein hydroxylation? Apart from the HIF pathway and HIFa subunits, the regulation and activity of a large number of other cellular processes and ... mechanism of regulation of both domains involves a common iron dependent process [74,75,79] Regulation of HIFa subunits by oxygen-dependent prolyl and asparaginyl hydroxylation A variety of oxygen ... hydroxylation of substrates by the collagen prolyl-4-hydroxylase has been shown to be inhibited by the artificial generation of radicals at the enzyme active site [110] Thus, the effects of reactive...
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Báo cáo khoa học: Versatile regulation of multisite protein phosphorylation by the order of phosphate processing and protein–protein interactions pptx
Ngày tải lên :
07/03/2014, 10:20
... phosphorylation of MAPK extracellular-signal-regulated kinase (ERK) by mitogen-activated or extracellular signal-regulated protein kinase (MEK) and its sequential dephosphorylation by mitogen-activated ... P P B Modular regulation Import DNA binding Export P P P C Individual regulation Fig Regulatory mechanisms in multisite phosphorylation (A) Concerted regulation: all phosphates regulate several ... kinetics of signal transduction in relation to the stimulus timing can play a crucial role in cellular responses Moreover, the molecular steps of the cell cycle and the circadian oscillator need...
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Báo cáo khoa học: Characterization of a cathepsin L-associated protein in Artemia and its relationship to the FAS-I family of cell adhesion proteins pot
Ngày tải lên :
07/03/2014, 16:20
... at various extracellular sites The resistance of mature CLAP to destruction by CL and serine proteases appearing in third and fourth instar larvae of Artemia suggests that CLAP plays an important ... generated by Lys-C treatment of CLAP More recently, we obtained the sequence EAKNLVDLAESLGLSILVKALE from Edman degradation of an untreated preparation of CLAP indicating that the N-terminus of the ... Isoelectric focusing of CLAP Twenty-five micrograms of CLAP fractions e and f (Fig 1B,C) in a volume of 100 lL were applied to the top of separate glass tubes containing 6% acrylamide as described...
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Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation
Ngày tải lên :
16/03/2014, 15:09
... dependence of the morphology of SiNWs synthesized by laser ablation In this Letter, we present the results on this project Our results show that the morphology and diameter of SiNWs synthesized by laser ... the diameter and morphology of SiNWs synthesized by laser ablation not only correlate closely with growth temperature, but also with the nature of a catalyst The nature of a catalyst has a direct ... peculiar feature of the branch suggests that there may exist a competitive growth between crystal silicon core and outer layer of silicon oxide When the forming rate of outer layer of silicon oxide...
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Guidelines for Use of Personal Protective Equipment by Law Enforcement Personnel During A Terrorist Chemical Agent Incident potx
Ngày tải lên :
17/03/2014, 14:20
... the roles of law enforcement officers The first and utmost task for the safety of responding law enforcement officers is early recognition of the event for what it is First responding officers ... a lower level of protection and the threat of the gloves ripping The - 11 - gloves worn by law enforcement officers during the ensemble evaluations conducted by SBCCOM consisted of a seven-mil ... secondary devices accompanied by a police officer This may be a security officer, maintenance officer, or any other employee of the area who can identify things that look out of place However, in a chemical...
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Báo cáo khoa học: The regulation of the endosomal compartment by p53 the tumor suppressor gene docx
Ngày tải lên :
23/03/2014, 04:21
... Communication between cells Downstream effectors and pathways Fig p53 regulation of cellular pathways upon stress responses p53 activation by stress signals regulates not only cell- cycle arrest and ... signaling Some of these receptors are degraded in lysosomes, whereas others are trafficked back onto the cell surface in a regulated process Regulation of these processes permits cells to be responsive ... separated by an 18 bp spacer (Fig 1A) CHMP4C is part of the ESCRT-III protein complex that is essential for endosome function in a cell Regulation of CHMP4C expression by p53 was tested in the human cell...
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Báo cáo khoa học: Signalling and regulation of collagen I synthesis by ET-1 and TGF-b1 doc
Ngày tải lên :
23/03/2014, 11:20
... Blue Lanes: unstimulated fibroblasts (control), fibroblasts stimulated with (ET-1), fibroblasts stimulated with TGFb1 The histogram represents densitometric ratios (stimulated: unstimulated) of collagen ... specific collagen I bands representing the a1 and a2 chains of collagen I were stained by Coomassie Blue Lanes: unstimulated fibroblasts (control), fibroblasts stimulated with ET-1 (ET-1), fibroblasts ... rabbit anticollagen I antibody Lanes: unstimulated fibroblasts (control), fibroblasts stimulated with ET-1 (ET-1), fibroblasts stimulated with TGF-b1 (TGFb1), one lg of purified collagen I (positive...
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Báo cáo Y học: Regulation of mammalian translation factors by nutrients pot
Ngày tải lên :
23/03/2014, 21:20
... hepatoma cells dependent upon added, external amino acids, perhaps by decreasing the pool of intracellular amino acids [47] A further example of the regulation of translation factors by nutrients ... idea (Fig 3) that regulation of S6K1 and other targets for mTOR signalling is influenced by the size of an intracellular pool of amino acids whose size is determined by the rates of protein degradation ... a large proportion (perhaps 20–25% [27]) of total cellular energy Ó FEBS 2002 REGULATION BY AMINO ACIDS IN PRIMARY TISSUES AND CELL TYPES While many groups have studied the control of translation...
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Báo cáo khoa học: Upregulation of endothelial adhesion molecules by lysophosphatidylcholine pptx
Ngày tải lên :
30/03/2014, 09:20
... LPC-induced upregulation of AMs, the influence of LPC on NF-jB activation was investigated in YPEN-1 cells This is because the predominant regulatory role of NF-jB is upregulation of VCAM-1 and ... the biological role of LPC and provides new molecular insights into the activation mechanism of LPC in the cellular signaling pathway Results Upregulated expression of AMs by LPC Previous reports ... step in atherosclerotic changes The available data indicate that LPC increases the expression of vascular cell adhesion molecule-1 (VCAM-1) [7], intercellular adhesion molecule-1 [8] and P-selectin...
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