p53 mediated inhibition of angiogenesis
Báo cáo khoa học: p53-induced inhibition of protein synthesis is independent of apoptosis pdf
... longer periods of inhibition for the p53- mediated induction of subsequent apoptosis Ó FEBS 2003 Regulation of protein synthesis by p53 (Eur J Biochem 270) 3125 Fig Activation of p53 results in ... cells (Fig 2A) Thus comparison of the kinetics of inhibition with the rate of decline in cell viability and the appearance of apoptotic cells shows that the p53- mediated decrease in translational ... and hypoxia [47–50] Activation of p53 results in a variety of cellular responses, notably inhibition of cell cycle progression and stimulation of DNA repair [51] If p53 activity is sustained it...
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Báo cáo Y học: ATP stimulates MDM2-mediated inhibition of the DNA-binding function of E2F1 pot
... N-terminus of MDM2 with the N-terminus of p53, and an interaction of the acid domain of MDM2 with the central domain of p53 [24] Accordingly, ligands such as the NUTLIN and BOX1 peptides from p53 not ... inhibitor p21, suggesting that MDM2 activation of E2F1 occurs as a consequence of inhibition of p53 transactivation of p21 [40] Upon overexpression of MDM2, p53 transactivation is blocked, leading to ... function of E2F1 These data are similar to the previously reported inhibition of p53 function by the MDM2–HSP90 complex in the absence of ATP [21] However, as ATP stimulates MDM2 folding of p53 into...
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Báo cáo sinh học: "Molecular and cellular correlates of the CIITA-mediated inhibition of HTLV-2 Tax-2 transactivator function resulting in loss of viral replication" pot
... the basis of the functional inactivation of Tax-2 leading to the inhibition of HTLV-2 retrovirus replication Further studies of subcellular localization unveiled the co-localization of Tax-2 and ... pattern of CIITA -mediated inhibition of Tax-2 function in these cells, representative of the species naturally infected by HTLV-2 To this end cells were co-transfected with a fixed amount of the ... functional impairment of Tax-2 function Subcellular distribution of Tax-2 in presence of CIITA In order to obtain a deeper insight into the mechanism of CIITA -mediated inhibition on Tax-2 function,...
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báo cáo hóa học: " Tumor necrosis factor-mediated inhibition of interleukin-18 in the brain: a clinical and experimental study in head-injured patients and in a murine model of closed head injury." pot
... granted by the Institutional Animal Care Committee of the University of Zurich and of the Hebrew University of Jerusalem In the clinical part of the study on CHI patients, the mean IL-18 concentrations ... quality of the blood-brain barrier has not been determined in this cohort of head-injured patients, due to the lack of matching serum samples for assessment of albumin levels, the source of elevated ... injury [12] However, the assumptive underlying regulatory mechanisms of TNF -mediated neuroprotection and of TNF -mediated suppression of IL-18 in the injured brain remain unclear and have to be investigated...
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o cáo hóa học:" Molecular and cellular correlates of the CIITA-mediated inhibition of HTLV-2 Tax-2 transactivator function resulting in loss of viral replication" potx
... the basis of the functional inactivation of Tax-2 leading to the inhibition of HTLV-2 retrovirus replication Further studies of subcellular localization unveiled the co-localization of Tax-2 and ... pattern of CIITA -mediated inhibition of Tax-2 function in these cells, representative of the species naturally infected by HTLV-2 To this end cells were co-transfected with a fixed amount of the ... functional impairment of Tax-2 function Subcellular distribution of Tax-2 in presence of CIITA In order to obtain a deeper insight into the mechanism of CIITA -mediated inhibition on Tax-2 function,...
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báo cáo hóa học:" Augmented inhibition of angiogenesis by combination of HER2 antibody chA21 and trastuzumab in human ovarian carcinoma xenograft" pptx
... study, we further investigated if more effective inhibition of angiogenesis is one of the underlying causes of the better therapeutic efficacy of the chA21 with trastuzumab combination in SKOV-3 ... Zhang et al Journal of Ovarian Research 2010, 3:20 http://www.ovarianresearch.com/content/3/1/20 Page of might be mediated by synergism of chA21 and trastuzumab through inhibition of AKT expression ... and combination of chA21 and trastuzumab induced a further suppression Potent inhibition of pAKT activity by combination of chA21 with trastuzumab Figure Detection on secretion of VEGF from SKOV-3...
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Báo cáo khoa học: "Ionizing radiation and inhibition of angiogenesis in a spontaneous mammary carcinoma and in a syngenic heterotopic allograft tumor model: a comparative study." pdf
... particular to a combined treatment modality of IoAs with IR [9,10] We previously demonstrated that the risk of enhanced tumor hypoxia in response to the inhibitor of vascular endothelial growth factor ... prior to irradiation Immunohistochemical stainings of tumor sections were performed after tumor excision at day of treatment Detailed descriptions of the experimental procedures are given elsewhere ... types (Figure 3) Thus, on the level of the tumor microenvironment a significant combined treatment effect could be observed on the level of the tumor vasculature Of note the spontaneous mammary carcinoma...
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Báo cáo y học: " Evidence for natural antisense transcript-mediated inhibition of microRNA function" ppsx
... BACE1-AS as a result of the actions of Alzheimer's disease-related cell stressors forms a basis of a deleterious feed-forward cycle of disease progression This deleterious effect of BACE1-AS may, ... control over the expression of BACE1 and further provide an additional mechanism of NAT -mediated regulation of BACE1 mRNA Our findings thus support the existence of ncRNA-containing regulatory ... Research Program of the NIA All authors affirm that there is no conflict of interest that would prejudice the impartiality of this original work Page 12 of 13 Author Details 1Department of Neuroscience,...
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báo cáo khoa học: "Inhibition of angiogenesis- and inflammation-inducing factors in human colon cancer cells in vitro and in ovo by free and nanoparticle-encapsulated redox dye, DCPIP" pptx
... treatment of infectious diseases with vaccines [49,50], chemoprevention or treatment of cancer [51-54], initiation or inhibition of immune responses and angiogenesis [55-59], and treatment of various ... experimental parameters of concentrations and periods of treatments of HCT116 cells with DCPIP and DCPIP NPs, we compared the Page of effects of these two agents on the expression of the 44kDa growth ... 0.05 Page of Figure Detection of cell death mechanism by Western blot HCT116 cells were treated with increasing concentrations of DCPIP (2fold) for 48 hr, and then, aliquots of 35 μg of whole...
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Báo cáo khoa học: Direct CIII–HflB interaction is responsible for the inhibition of the HflB (FtsH)-mediated proteolysis of Escherichia coli r32 by kCIII docx
... this respect, r32 resembles kCII Inhibition of HflB -mediated proteolysis of r32 by CIII and by CIIIC The effect of CIII and CIIIC on the HflB -mediated proteolysis of r32 was checked by treating r32-C-his ... action of CIIIC on the proteolysis of r32 by HflB was also assayed in the presence of CIIIC (60 lm) instead of CIII (Fig 2B) It is clear that in this A B C Fig ATP-dependence of proteolysis of r32 ... compilation ª 2008 FEBS Protection of r32 from HflB by kCIII S Halder et al A B Fig Inhibition of HflB -mediated proteolysis of r32 by different concentrations of CIII or CIIIC The bands corresponding...
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Báo cáo sinh học: " Inhibition of human immunodeficiency virus type-1 (HIV-1) glycoprotein-mediated cell-cell fusion by immunor (IM28)" docx
... I (0.20) I (3.52) §F = 50–60% of the surface is covered by syncytia; P = partial inhibition of fusion: < 10% of the surface is covered by syncytia; I = inhibition of syncytia formation TF228.1.16 ... into three classes: 56–00% of the surface covered by syncytial = fusion; partial inhibition of fusion: < 10% of the surface is covered by syncytial = P; inhibition of syncytia formation = I Methods ... mainly exploded vs in the presence of IM28 Figure dexamethasone on fusion of TF228.1.16 cells with SupT1 cells Effect of2 Effect of dexamethasone on fusion of TF228.1.16 cells with SupT1 cells...
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Báo cáo hóa học: " Differential inhibition of human cytomegalovirus (HCMV) by toll-like receptor ligands mediated by interferon-beta in human foreskin fibroblasts and cervical tissue" pdf
... pre-treatment of HFF with TLR3 and TLR4 ligands, but not TLR2 or TLR9 ligands, inhibited HCMV infection Time dependence of TLR stimulation for HCMV inhibition and IL-8 production The effect of timing of ... I:C resulted in a 63% reduction in the number of infected cells, while at doses of μg/ml and 10 μg/ml of Poly I:C, >97% reduction in the number of infected cells was observed (Fig 1C) In contrast, ... hours, 72% inhibition of GFP-positive cells was observed in response to Poly I:C, while only 9% inhibition was observed in response to LPS (Fig 2A) However, both Poly I:C and LPS induced >98% inhibition...
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báo cáo hóa học:" Inhibition of human immunodeficiency virus type-1 (HIV-1) glycoprotein-mediated cell-cell fusion by immunor (IM28)" docx
... I (0.20) I (3.52) §F = 50–60% of the surface is covered by syncytia; P = partial inhibition of fusion: < 10% of the surface is covered by syncytia; I = inhibition of syncytia formation TF228.1.16 ... into three classes: 56–00% of the surface covered by syncytial = fusion; partial inhibition of fusion: < 10% of the surface is covered by syncytial = P; inhibition of syncytia formation = I Methods ... mainly exploded vs in the presence of IM28 Figure dexamethasone on fusion of TF228.1.16 cells with SupT1 cells Effect of2 Effect of dexamethasone on fusion of TF228.1.16 cells with SupT1 cells...
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Báo cáo y học: " Monocytes are essential for inhibition of synovial T-cell glucocorticoid-mediated apoptosis in rheumatoid arthritis" docx
... in vivo [8] One of the classic effects of glucocorticoids is induction of apoptosis In vitro, synthetic glucocorticoids induce apoptosis of human thymocytes and activated T cells of human peripheral ... in the number of ST T cells (from a mean ± standard error of the mean [SEM] of 15.9 ± 4.1 to a mean ± SEM of 5.4 ± 1.9), as evaluated by CD3 staining without changes in the number of ST macrophages, ... characteristics Exposure of cells to proinflammatory stimuli such as TNF and IL-1 can lead to induction of -isoform of human glucocorticoid receptor (hGR) and suppression of hGR, resulting in...
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Báo cáo khoa học: "Radiosensitization and growth inhibition of cancer cells mediated by an scFv antibody gene against DNA-PKcs in vitro and in vivo" docx
... expression level of DNA-PKcs protein, so the mechanism of inhibition might involve either hindrance of some essential interaction sites of DNA-PKcs with its functional counterparts or blockage of a conformational ... successfully obtained the soluble DPK3 peptide of ~30 kD with the purity of >95% Identification of the positive phage clones of scFv antibody Following rounds of selection using a human phagedisplay ... necessary to expand this kind of study, especially to verify the efficacy and mechanisms of the radiosensitization of this kind of scFv molecules through the combined studies of cellular mechanistic...
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Báo cáo y học: " Inhibition of indoleamine 2,3-dioxygenase-mediated tryptophan catabolism accelerates collagen-induced arthritis in mice" doc
... resulted in induction of IDO in vivo, which was associated with significant amelioration of the severity of CIA [26] Furthermore, pharmacological inhibition of IDO reversed the effects of the anti-CD137 ... mainly Th1 cell -mediated immune response to the CII and consequently in the significant worsening of severity and increase of onset of CIA mediated by Th1 response The importance of IDO activity ... low blocking activity of 1-MT either in the pre-arthritic phase or in the chronic phase of arthritis denotes the anti-inflammatory effect of IDO only in the case of Page of (page number not for...
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Báo cáo y học: "Monocytes are essential for inhibition of synovial T-cell glucocorticoid-mediated apoptosis in rheumatoid arthritis" pdf
... in vivo [8] One of the classic effects of glucocorticoids is induction of apoptosis In vitro, synthetic glucocorticoids induce apoptosis of human thymocytes and activated T cells of human peripheral ... in the number of ST T cells (from a mean ± standard error of the mean [SEM] of 15.9 ± 4.1 to a mean ± SEM of 5.4 ± 1.9), as evaluated by CD3 staining without changes in the number of ST macrophages, ... characteristics Exposure of cells to proinflammatory stimuli such as TNF and IL-1 can lead to induction of -isoform of human glucocorticoid receptor (hGR) and suppression of hGR, resulting in...
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Báo cáo y học: "Synergistic chondroprotective effects of curcumin and resveratrol in human articular chondrocytes: inhibition of IL-1β-induced NF-κB-mediated inflammation and apoptosis" potx
... activation of NF-κB is the phosphorylation and degradation of IκBα, the natural blocker of NF-κB [53,54] To test whether inhibition of IL-1β-induced NF-κB activation occurs through inhibition of IκBα ... downregulation of synthesis of collagen type II In contrast, pre-treatment of chondrocytes with the phytochemical agents followed by stimulation with IL-1β resulted in an inhibition of cytokine-induced ... concentration-dependent inhibition of NF-κB nuclear translocation was observed At a concentration of 40 μM resveratrol and 40 μM curcumin, NF-κB nuclear translocation was completely inhibited The inhibition of NF-κB...
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Báo cáo y học: "Inhibition of TNFalpha in vivo prevents hyperoxia-mediated activation of caspase 3 in type II cells" pdf
... number of GAPDH-corrected cycle (∆ct) ± SD of n = determinations ∆∆ct is the difference of the number of cycles between control and hyperoxia; a decrease of ∆ct indicates an increase of the mRNA, ... (Figure 5) TNFRI -mediated action of TNFα depends on the so called "death domain" representing a part of the intracellular segment of the receptor protein responsible for the activation of pro-caspase ... population of early and late apoptotic cells in percent of total cells The tests were performed according to the protocols of the manufactures Determination of caspase activities Activities of caspases...
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Báo cáo y học: "Trans-dominant cellular inhibition of DC-SIGN-mediated HIV-1 transmission" ppt
... inhibition of DC-SIGN transmission of HIV-1 Trans-dominant cellular inhibition of DC-SIGN transmission of HIV-1 (A) Transmission of HIV-1 by Raji/DC-SIGN cells was inhibited in the presence of ... represents the mean of three separate wells of infected cells One representative experiment out of three is shown cps, counts per second detectable inhibition of HIV-1 infection of Hut/CCR5 cells ... (DN) versions of CIITA have been developed that are capable of suppressing expression of CIITA-regulated genes in APCs [35] We took advantage of these tools to manipulate expression of MHC class...
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