prevent moderate trauma induced activation of cascade systems and coagulation
Báo cáo khoa học: Small-molecule modulators of zymogen activation in the fibrinolytic and coagulation systems pptx
Ngày tải lên :
06/03/2014, 22:21
... reciprocal activation of scu-PA and plasminogen constitutes a mechanism of localized initiation and propagation of pericellular proteolysis [63–66] and fibrinolysis on platelets [67] The mechanism of ... scu-PA and Glu-plasminogen Modulator of the activation of prothrombin Prothrombin activation The formation of thrombin from its zymogen prothrombin is the central event in the coagulation cascade ... Kikuchi and Hasumi [68] show that surfactin C modulates the reciprocal activation of Gluplasminogen and scu-PA Upon incubation with Glu-plasminogen and scu-PA, the spontaneous activation of both...
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Báo cáo khoa học: TNFR1-induced activation of the classical NF-jB pathway Harald Wajant1 and Peter Scheurich2 pptx
Ngày tải lên :
28/03/2014, 23:20
... cytoplasm and can now translocate into the nucleus Activation of the alternative NF-jB pathway is independent of IKK2 and NEMO and requires degradation of TRAF proteins and subsequent activation of ... DNA-binding of NF-jB (EMSA) No or at best traces (< 10% of wild-type) of TNF -induced IKK activation and IL-6 induction Minor (10–30% of wild-type) but significant TNF -induced IKK activation Moderately ... of the kinase activity of the IKK complex and proteolytic degradation of IjB proteins The alternative NF-jB pathway is activated by a limited subgroup of TNF ligands and involves activation of...
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Báo cáo y học: "Melanocortin peptides inhibit urate crystal-induced activation of phagocytic cells" ppsx
Ngày tải lên :
09/08/2014, 14:22
... First, the peptides prevent activation of NF-κB by a variety of inflammatory stimuli (reviewed in [4]) Therefore, they may inhibit MSU crystal -induced secretion of chemoattractants and activating ... production and release of active IL-1β [13] In this model, the second phase of the inflammatory response is driven by the IL-1β/ IL-1R pathway with activation of an MyD88-dependent signal- Page of (page ... expression of CD11b, TLR2, and TLR4 Flow cytometry of purified neutrophils was used to determine the membrane expression of CD11b, TLR2, and TLR4 Phycoerythrin-conjugated mAbs were added to 100 μL of...
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Báo cáo y học: "Involvement of lipid rafts in adhesion-induced activation of Met and EGF" pdf
Ngày tải lên :
10/08/2014, 10:20
... determinant for Met and EGFR activation in A431 cells Adhesion -induced activation of Met and EGFR in A431 cells is independent of Src, ROS, or cytoskeleton Adhesion -induced activation of RTKs has been ... P< 0.05 Results Ligand-independent activation of Met and EGFR confers proliferative and invasive advantages to A431 cells Ligand-independent activation of RTKs as a result of gene mutation or ... adhesion -induced activation of Met and EGFR cannot be attributed to Src activation, production of reactive oxygen species, and the integrity of the cytoskeleton In addition, we demonstrate that Met and...
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Báo cáo y học: "Selective killing of human immunodeficiency virus infected cells by non-nucleoside reverse transcriptase inhibitor-induced activation of HIV proteas" doc
Ngày tải lên :
13/08/2014, 01:20
... A combination of this strategy with targeted PR activation would of course require the use of PI sparing HAART regimens [54] for prevention of viral spread; a regimen lacking PI and containing ... directly preventing virus production on one side and accelerating the death of virus producing cells on the other The data presented here provide proof of concept for a drug induced killing of HIV ... protocols and Determination of direct antiviral activity and cytotoxicity MT4-LTR-EGFP cells were seeded at a density of 1.5 × 105 cells/ml and infected with HIV-1IIIB at a multiplicity of infection of...
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Báo cáo y học: "Parvovirus B19 Nonstructural Protein-Induced Damage of Cellular DNA and Resultant Apoptosis"
Ngày tải lên :
25/10/2012, 11:18
... case of specific integration of AAV We present here evidence suggesting that NS1 is attached to DNA in a covalent manner, and that both DNA-helix distorting and single strand nick forms of DNA ... finding demonstrates that PARP activation, and therefore the PARP -induced DNA repair pathway, is an important mechanism of NS1 -induced apoptosis Figure PARP is active and necessary for efficient ... are suggestive of DNA damage as a cause of NS1 -induced apoptosis ATM principally binds to free DNA ends or DNA strand breaks (43), while ATR recognizes single-stranded regions of DNA common to...
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Tài liệu Báo cáo khoa học: Myristoylation of the dual-specificity phosphatase c-JUN N-terminal kinase (JNK) stimulatory phosphatase 1 is necessary for its activation of JNK signaling and apoptosis pdf
Ngày tải lên :
16/02/2014, 14:20
... 2–3 and 4– 5) Notably, JSP1 seemed to stimulate preferentially the phosphorylation of the p46 isoform of JNK, whereas sorbitol treatment induced phosphorylation of both the p46 and p55 isoforms ... positive mediator of the ErbB2 -induced signaling pathways that trigger mammary tumorigenesis and metastasis [12,13], and the tyrosine phosphatase SHP-2 is necessary for activation of ERK in response ... intrinsic phosphatase activity of the enzyme However, myristoylation determined the subcellular localization of JSP1, and was required for JSP1 -induced activation of the JNK signaling pathway When...
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Báo cáo khoa học: Acute activation of Erk1/Erk2 and protein kinase B/akt proceed by independent pathways in multiple cell types ppt
Ngày tải lên :
30/03/2014, 20:20
... address this issue of PtdIns3K activation and its relationship to Erk activation in a broad range of cell types Activation of PKB ⁄ akt has been shown to depend upon the production of 3-phosphorylated ... required for Erk activation A B Both wortmannin and LY294002 not affect the activation of Erks in TF-1 cells Next we investigated the relationship of PtdIns3K activation and Erk activation in a ... involvement of PtdIns3K in Erk activation was the A20 B-cell line, which is explained by the role of PtdIns3K in activating Btk and PLCc, and subsequently activation of Erks [33] One of the more...
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Báo cáo Y học: A comparison of the urea-induced unfolding of apo¯avodoxin and ¯avodoxin from Desulfovibrio vulgaris potx
Ngày tải lên :
31/03/2014, 15:20
... is the mean activity of the salt, and LU and LF are the number of salt ions bound by the unfolded and folded states of the apoprotein, respectively Determination of kinetic and thermodynamic constants ... two species of folded protein (apo-urea and urea-apoFMN), free FMN and urea The FMN prevents the apoprotein from unfolding completely and maintains a high equilibrium concentration of apo-urea-FMN ... effect of guanidine HCl is modulated by its Table Eects of salt on the rates of urea-unfolding of ¯avodoxin and apo¯avodoxin Values for the ®rst-order rate constants for the unfolding of the...
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báo cáo hóa học: " Aspirin-triggered lipoxin A4 attenuates LPSinduced pro-inflammatory responses by inhibiting activation of NF-B and MAPKs in BV-2 microglial cells" pptx
Ngày tải lên :
19/06/2014, 22:20
... [41] IL-1b and TNF-a also drive self-propagating cycles of microglial activation and neuroinflammation by inducing activation of NF-B, cytokine generation and further activation of NF-B Thus, ... Foundation of China (30700784 and 30900448) and Science Foundation for The Excellent Youth Scholars of Ministry of Education of China (20090142120047) Author details Department of Anesthesiology and ... production and proinflammatory cytokine expression ATL inhibits nuclear translocation of NF-B and degradation of IB-a Because ATL reduced the transcriptional activation of iNOS, IL-1b and TNF-a...
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Báo cáo hóa học: " Research Article On the Integrability of Quasihomogeneous Systems and Quasidegenerate Infinity Systems" pot
Ngày tải lên :
22/06/2014, 19:20
... the systems are proposed The integrability of quasihomogeneous planar systems is studied in [1, 3], and the existence of a link between the Kowalevskaya exponents of quasihomogeneous systems and ... 7, 8] and using by the invariant manifolds of the systems [6] As we know, the existence of inverse integrating factors gives a lot of information on dynamics, integrability of the systems and so ... integrability of autonomous systems and quasihomogeneous polynomial systems; for more details see [1–6] In [5], several techniques for searching first integrals of nth autonomous systems by using...
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Scientific report: "Characteristics of poultry systems and cost analysis - the benefits of vaccination campaigns HPAI prevention in livestock systems in Long An Province" pptx
Ngày tải lên :
06/08/2014, 18:22
... Total RESULTS AND DISCUSSION 3.1 Typology of the poultry production systems The scale of poultry breeding and the type of poultry races are really diversified in each ecological zone of Long An ... varies according to the number of doses and its probability of being administered The scenarios are specific for each species (chickens and ducks) and will vary in terms of protection outcome which ... collection of official data concerning the poultry production from the reports of the Department of Livestock Production (DLP), FAO, the General Statistics Office (GSO), the Veterinary Services and...
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Báo cáo toán học: "Compression of root systems and the E-sequence" pptx
Ngày tải lên :
07/08/2014, 21:20
... elements of Γ \ Γ6 Then exactly two coordinates of x are non-zero, say xi and xi , and exactly two coordinates of y are non-zero, say yj and yj If {i, i } ∩ {j, j } = ∅ then (x|y) = and x and y ... v5 Each of these is a permutation of the symbols coordinates of V If we call these permutations a, b and c, respectively, we see that a, bab, cbabc and cac are the standard generators of the ... automorphism of ∆, and hence to an automorphism of Γ Returning now to the E7 case, we note each of these automorphisms is actually an extension of an automorphism of ∆(E6 ) For i ≤ this is clear, and...
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Báo cáo khoa hoc:" VEGF receptors on PC12 cells mediate transient activation of ERK1/2 and Akt: comparison of nerve growth factor and vascular endothelial growth factor" doc
Ngày tải lên :
11/08/2014, 08:20
... transient activation of ERK1/2 and Akt after In contrast, NGF produced a stronger and persistent phosphorylation of ERK1/2 and Akt than VEGF165 much more pronounced and prolonged activation of downstream ... MAPK) and Akt activation are sustained for 79.5 h in the presence of NGF (Fig 3, lane 1) Removal of NGF for 7.5 h after 72 hours of differentiation led to a significant reduction of ERK1/2 and ... P: Sustained activation of the mitogen-activated protein (MAP) kinase cascade may be required for differentiation of PC12 cells Comparison of the effects of nerve growth factor and epidermal...
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Báo cáo y học: "Radiofrequency-induced thermotherapy of nasopharyngeal angiofibroma and immunohistochemical analysis of vessel proliferation: a case report" docx
Ngày tải lên :
11/08/2014, 21:22
... nasopharyngeal angiofibroma Figure radiofrequency -induced thermotherapy Coagulation in angiofibroma (on the right), weeks after Coagulation in angiofibroma (on the right), weeks after radiofrequency -induced ... vessels (Figure 2C) Figure apy Angiofibroma prior to radiofrequency -induced thermotherAngiofibroma prior to radiofrequency -induced thermotherapy Hematoxylin and eosin stain, magnification ×10 ... (A) Prior to radiofrequency -induced thermotherapy (B) Three weeks after radiofrequency -induced thermotherapy (C) Ten months after radiofrequency -induced thermotherapy, detachment of pericytes from...
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Báo cáo y học: " Immunoglobulin G galactosylation and sialylation are associated with pregnancy-induced improvement of rheumatoid arthritis and the postpartum flare: results from a large prospective cohort study" pot
Ngày tải lên :
12/08/2014, 11:22
... glycopeptides of IgG1 and IgG2 was below 4% and 6%, respectively The IgG4 glycopeptides were not analyzed due to their low abundance Galactosylation profiles during pregnancy and postpartum of cases and ... integrity of the data and the accuracy of the data analysis FG, MW, MS, AD, MH and RD designed the study FG, MW, MS and YM were involved in acquisition of the data FG, MW, MS, SW, MH and RD analyzed ... acknowledge Prof Dr E Steegers (Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Center Rotterdam, The Netherlands) and Dr C de Groot (Department of Obstetrics and Gynaecology,...
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Báo cáo y học: " Nontypeable Haemophilus influenzae induces COX-2 and PGE2 expression in lung epithelial cells via activation of p38 MAPK and NF-kappa B" pps
Ngày tải lên :
12/08/2014, 15:21
... NTHi -induced COX-2 and PGE2 expression mediated by p38 MAPK and NF-kappa B signaling pathway To determine the role of NTHi -induced p38 MAPK and NF-kappa B activations in NTHi -induced COX-2 and ... role of TLR2 and TLR4 in NTHi -induced COX-2 expression in vivo, wild type, and TLR2 and TLR4 knock-out mice were intratracheally inoculated with × 107 CFU of NTHi strain 12, and mRNA expression of ... Figure Phosphorylation of p38 MPAK induced by NTHi Phosphorylation of p38 MPAK induced by NTHi A A549 cells were inoculated with 10 and 50 MOI of NTHi, and phosphorayltion of p38 MAPK was detected...
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Báo cáo y học: "High frequency oscillatory ventilation attenuates the activation of alveolar macrophages and neutrophils in lung injury" docx
Ngày tải lên :
12/08/2014, 18:20
... pathophysiology of ARDS [2,14] and other pulmonary diseases [15,16] In this study, we analyzed the effects of two ventilatory modes, HFO and CMV, on the activation of pulmonary macrophages and neutrophils ... function of epithelial and Available online http://ccforum.com/content/2/1/35 endothelial cells induced by mechanical stimulation may lead to the modulation of the activation of neutrophils and macrophages ... then divided into CMV and HFO groups and ventilated for h Heparinized arterial blood samples were collected just before the first BAL, and 10 and h afterwards for the analysis of arterial blood gases...
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Understanding cofactor f420 dependent mechanism(s) in the activation of bicycle nitroimidazoles and in the physiology of mycobacterium tuberculosis
Ngày tải lên :
09/09/2015, 10:17
... PA-824 and F420 by fluorescence quenching 78 3.7.7 Mutagenesis and characterization of the N-terminus of Ddn 84 3.8 Discussion 87 Evaluation of the physiological role of cofactor ... characterization of Ddn enzyme, to understand substrate / cofactor specificity of the enzyme and to support a programme that focused on rational optimization of bicyclic nitroimidazoles (ii) Evaluation of ... Maps of the Global Burden of TB Figure 1.2 The Global Pipeline for anti-TB Therapeutics 16 Figure 1.3 Mechanisms of Activation and Action of PA-824 22 Figure 2.1 Purification of...
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Evolutionary divide and conquer strategy for identification of structural systems and moving forces
Ngày tải lên :
11/09/2015, 10:00
... structural systems such as high-rise buildings, long-span bridges and offshore platforms often require inspection and maintenance for purpose of sustainable and safe usage The state of these large ... moment of inertia K ii Stiffness matrix of internal DOFs of a substructure Lt Length of an acceleration time history L Length m Mass per unit length M ii Mass matrix of internal DOFs of a substructure ... frequency and time domains, parametric and nonparametric models, deterministic and stochastic approaches, online and offline identification, and classical and non-classical methods Ljung and Glover...
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