h1 pd 1 pathways in the inhibition of t cell activation
Báo cáo y học: "Silencing CD36 gene expression results in the inhibition of latent-TGF-β1 activation and suppression of silica-induced lung fibrosis in the rat" pdf
... L-TGF- 1 activation by Lv-shCD36 in BALF The activation of L-TGF- 1 was determined by detecting the quantity of TGF- 1 in BALF using the CCL-64 growth inhibition assay The quantities of total TGF- 1 ... suppression of the association of the TSP1/L-TGF- 1 complex with CD36 Our data support the view that CD36 may contribute to the control of the activation of L-TGF- 1 and, therefore, silencing expression ... Quantity of TGF- 1 and the percentage of active TGF- 1 in BALF Figure Quantity of TGF- 1 and the percentage of active TGF- 1 in BALF (A–a) The quantity of total and active TGF- 1 in the silica, silica+Lv-shCD36,...
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Tài liệu Báo cáo khoa học: High affinity copper binding by stefin B (cystatin B) and its role in the inhibition of amyloid fibrillation docx
... (Fig 2) The binding isotherm data were fitted to sequential binding site parameters and the best t, producing the smallest v2 values, indicated two binding sites, both with affinities in the picomolar ... region and therefore could affect the structure of this part of the protein However, it should not be dismissed that the P79S mutant differs from the other stefin variants in that it forms a tetramer ... intensity may arise from partitioning of the protein into an aggregated state The effect of copper binding on the secondary structure was determined using CD in the far UV To prepare proteins without...
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Báo cáo y học: "Roles of planar cell polarity pathways in the development of neutral tube defects" ppsx
... of the cell to be established within the plane of the epithelium and promotes the rearrangement of the cytoskeletal components of the cell [97] Although the asymmetric localization of some of the ... data and information collection and part of the writing XH performed part of text writing and the editing of the whole manuscript YH wrote the part of the manuscript and information collection ... [4] Those signaling pathways are involved in the maintenance of the cell cycle, the regulation of the actin cytoskeleton, chromatin organization and epigenetic modifications including methylation...
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Báo cáo y học: "JNK pathway is involved in the inhibition of inflammatory target gene expression and NF-kappaB activation by melittin" ppsx
... suggests that the inhibitory effect of inflammatory gene expression is related with the inhibition of the DNA binding activity of NF-κB The therapeutic potential of the inhibition of NF-κB activity has ... effective anti-inflammatory treatment strategy against the progression of arthritis [49] Therefore, the present data show that inhibition of JNK pathway may also contribute to the anti-inflammatory ... after stimulating the cells with LPS or SNP in the + + - the treatment of JNK inhibitor on the translocation of p50 and p65 into the nucleus, we determined the appearance of the p50 and p65 in...
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Báo cáo y học: "Role of innate signalling pathways in the immunogenicity of alphaviral replicon-based vaccines" potx
... shutdown of host protein synthesis, without affecting production of the vector encoded antigen in vitro [59- 61] In addition, we have also shown that replication of a VREP mutant, that induces ... viral infection type I IFN induces an antiviral state in yet uninfected cells, thus prohibiting further spread of the infecting agent However, in our case, replication of neither vector (VREP ... in viral infected cells not only targets the TLR3 pathway, but also signals through the RIG-I-like receptor (RLR) family, resulting in the induction of type I IFNs and pro-inflammatory cytokines...
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Tài liệu Báo cáo khoa học: Osmosensing and signaling in the regulation of mammalian cell function docx
... volume-regulatory K+-efflux [12 ,13 ] It should be noted that RGD peptides not inhibit hypoosmotic hepatocyte swelling [13 ], indicating that inhibition of osmosensing at the integrin level uncouples hepatocyte ... leading to a Src-dependent activation of the p38-type MAPK and thereby inhibition of 5800 autophagic proteolysis [14 ] Thus, integrin-dependent cell volume sensing and signaling integrates into the ... shown that cell water increases during the cell cycle of 3T3 fibroblasts resulting from Na+ ⁄ K+ ⁄ 2Cl– cotransport and glutamine uptake [17 ] Likewise, hepatocyte swelling due to the activation of...
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Báo cáo hóa học: "Involvement of aryl hydrocarbon receptor signaling in the development of small cell lung cancer induced by HPV E6/E7 oncoproteins" ppt
... leading to progression of the cell into the S-phase [14 ] Furthermore, E7 binds to inhibitors of cyclin-dependent kinases (p16, p 21) , increasing the level of phosphorylated pRb In this way, HPV 16 ... of Polo-Like Kinase Evaluation of the results obtained in the two systems showed deregulation of the same pathways in human SCLC and in that induced experimentally by the E6/E7 oncoproteins of ... wrote the manuscript All authors read and approved the final manuscript Competing interests The authors declare that they have no competing interests Page 10 of 11 Received: 22 September 2 010 Accepted:...
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Báo cáo sinh học: " Risk factors in the development of stem cell therapy" pdf
... extrinsic risk factors (Table 2), such as the site of administration (i.e the local environment of the stem cell in the recipient) and the need for in vitro culturing The manipulation of the cells ... may not be sufficient material to both test for the presence of adventitious agents and to treat the patient(s) Another aspect of viral safety is the patient’s vulnerability to the contraction ... growth [ 81- 85] Most likely the observed effect depends on the nature of the cancer cells, the Page of 14 characteristics of the used MSC, on the integrity of the immune system and on the timing and...
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Báo cáo y học: "Collagen type II (CII)-specific antibodies induce arthritis in the absence of T or B cells but the arthritis progression is enhanced by CII-reactive T cells" ppsx
... different effect on the acute phase of arthritis However, T cells again did not affect the initiation phase of the disease; instead, the effect was noted in the more chronic phase of the disease Still, ... enhancement of arthritis in the T cell and B cell singly deficient mice also suggests that these cells might have regulatory roles in the initiation of disease by modulating the cytokine environment ... suggesting the importance of other cellular mediators in the pathogenesis of arthritis However, experiments to understand the factor(s) and cells involved during the progression of arthritis from the...
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Báo cáo khoa học: "Haemostatics in surgery and our experience in the enucleoresection of renal cell carcinoma" ppt
... stone free, administrating the haemostatic gelatin matrix to the nephrostomy tract, achieving immediate haemostasis and avoiding the placement of a nephrostomy tube [17 ,18 ] With increasing surgical ... shorter time to haemostasis of Floseal in respect to ISC Competing interests The authors declare that they have no competing interests Authors' contributions GP and CV have made contribution to ... not required minimizing the operative time without any risk of further intra- or post- operative bleeding Even if, it has been reported the use of thrombin-gelatin haemostatic matrix for both...
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Báo cáo y học: "The role of T cell interleukin-17 in conducting destructive arthritis: lessons from animal models" pps
... cytokine therapy might be an interesting new antirheumatic approach that could contribute to the prevention of joint destruction as an adjunct to anti-TNF and anti-IL -1 therapy Competing interests ... (IL -17 ) in relation to other key cytokines in the pathogenesis of arthritis RANKL, receptor activator of NF-κB ligand; TNF, tumor necrosis factor inactivation of IL -17 [40] In line with the situation ... adaptive parts of the immune system that might be an interesting target for the immunotherapy of inflammatory autoimmune diseases [26,27] Role of IL -17 in the pathogenesis of RA Regulation of IL -17 30...
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Báo cáo khoa học: "Application of light microscopical and ultrastructural immunohistochemistry in the study of goblet cell carcinoid in the appendix" pdf
... given final approval of the version to be published AP has contributions to acquisition of clinical data, to interpretation of data, follow up of the patient and to drafting of the manuscript YY, ... failed to reveal existence of cells that contain both mucin and secretary granules within their cytoplasm Therefore we agree with the hypothesis of the dual entodermal and neuroendocrine origin of ... endocrine cells, the goblet cell carcinoid contains also synaptophysin-positive endocrine cells The ultrastructural immunohistochemistry showed mainly cells from the EC2 or D type The combined histochemical...
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Báo cáo y học: " The use of partial exchange blood transfusion and anaesthesia in the management of sickle cell disease in a perioperative setting: two case reports" pot
... hypothermia and hyperviscosity, were prevented by monitoring his vital signs and maintaining them within tight ranges Anaesthesia from the beginning up to the end of surgery lasted 80 minutes ... is less important today, the effect of the disease on the carrier’s vascular system determines the aetiology of the disease Patients are at risk in the perioperative period because the physiological ... the b-globulin gene on chromosome 11 This mutation leads to the synthesis of HbS, in which the hydrophobic valine at position of the 14 6-amino acid haemoglobin protein is replaced by the hydrophilic...
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Tài liệu Báo cáo khoa học: Design, structure and biological activity of b-turn peptides of CD2 protein for inhibition of T-cell adhesion ppt
... different concentrations studied These peptides were also tested for their toxicity using the MTT assay [17 ] All the four peptides tested in the study resulted in 90 10 0% viability indicating that these ... addition to the primary structure of the peptide To confirm our hypothesis that the b-turn structures are important for the inhibitory activities of the peptides, the structures of the cyclic peptides ... Examination of the CD2–CD58 crystal structure indicated that the interface of the CD2–CD58 complex has poor shape complementarity in the center region of interaction (Fig 2A) Most of the interaction...
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Retrovirology Research BioMed Central Open Access HIV-1 latency in actively dividing human T cell docx
... TetO binding sites are inserted in the HIV -1 promoter Inactivation of the Tat-TAR axis is obtained by mutations in the R region and the Tat protein The shNef expression cassette is inserted in ... Latent HIV -1 infection in SupT1 T cells Latent HIV -1 infection in SupT1 T cells TNFα-induced reactivation of silent HIV -1 proviruses in SupT1 cells was analyzed by determining the percentage of ... in the U3 region The Tat inactivating mutation (indicted by X) in HIV-rtTA has been restored in the HIV-rtTA Tatwt variant and 48 h dox-induction (Table 1) To avoid multiple rounds of infection,...
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báo cáo hóa học: " Pharmacological inhibition of Akt and downstream pathways modulates the expression of COX-2 and mPGES-1 in activated microglia" potx
... 5’-AGGAAGGTACCCATCCTGGT-3’, GAGGAGTCATTGAGCTGTTGC-3’; cPGES: Reverse Forward 5’5’- TGTCTAATTTTGACCGTTTCTCTG-3’, Reverse 5’-TCATCTGCTCCGTCTACTTCTG3’; S12: Forward 5’-GCGCTTAAATACCGTCATGC-3’, Reverse: ... providing an interesting pattern of differential expression between these two enzymes [5] To further investigate the contribution of pathways downstream of PI3K, we inhibited Akt with Akt inhibitor ... enhancement of damage in the central nervous system (CNS) Therefore, it is important to study the intracellular pathways that are involved in the expression of the inflammatory mediators Particularly,...
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Báo cáo hóa học: " The inhibition of the Human Immunodeficiency Virus type 1 activity by crude and purified human pregnancy plug mucus and mucins in an inhibition assay" ppt
... hypothesis that mucins inhibit HIV -1 activity by physically aggregating the virus, the CEM SS cells were incubated with the filtrates from the mixtures The lower infection (2.5%) of the CEM-SS cells ... by the mucins, leaving no free viruses to pass through the filter paper into the filtrate to cause viral infection On the other hand the 10 0% infection of the CEM-SS cells caused by the filtrates ... effect of time (incubation period) on the inhibitory effect of mucins or the infectivity of the virus This suggested that the mucins aggregated the virus immediately and permanently However, shorter...
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Báo cáo y học: "Transcriptional regulation of collagenase (MMP-1, MMP-13) genes in arthritis: integration of complex signaling pathways for the recruitment of gene-specific transcription factor" ppt
... of inducing MMP -1 transcription [29] This is due, in part, to the inability of TNF to activate the ERK pathways in these cells, both of which contribute to IL -1 induction Recently, Firestein ... 20 01, 10 8:73- 81 Vincenti MP, Brinckerhoff CE: The potential of signal transduction inhibitors for the treatment of arthritis: Is it all just JNK? J Clin Invest 20 01, 10 8 :18 1 -18 3 Tetlow LC, Adlam ... phosphorylate and activate the transcription factors (activating transcription factor [ATF2], c-Jun, Elk -1 and erythroblastosis twenty-six [Ets] -1; shown in red) that contribute to matrix metalloproteinase...
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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
... out of thirty-five drugs studied that target NF-κB or CDK pathways had the best specificity in inhibiting the growth of HTLV -1 infected but not uninfected cells The effect of BMS-3455 41 is through ... μM The HTLV -1 infected cell was at least 10 times more sensitive to BMS-3455 41 than control cells This critical difference is thought to be the related to the NF-κB pathway in HTLV -1 infected cell ... counting HTLV -1 infected cells and uninfected cells were treated with thirty-five inhibitors at four concentrations including 0. 01, 0 .1, 1, and 10 μM Forty-eight hours after treatment, Page 11 of...
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