gap in developing countries at what expense
Báo cáo khoa học: Oligomannose-coated liposomes efficiently induce human T-cell leukemia virus-1-specific cytotoxic T lymphocytes without adjuvant doc
Ngày tải lên :
14/03/2014, 23:20
... peptide vaccination in combination with imatinib therapy for a patient with CML in the chronic phase Int J Med Sci 7, 72–81 28 Kazanji M, Heraud JM, Merien F, Pique C, de The G, Gessain A & Jacobson ... transplantation has been shown to be effective in ATL patients [29], whereas patients treated with allogeneic stem cell transplantation with reduced-intensity conditioning had overall survival at years ... the relapse of ATL in postallogeneic stem cell transplantation patients The expression of Tax by the host cell targets them for attack by CTL, resulting in the elimination of the infected cell...
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Báo cáo sinh học: "Cytotoxic T lymphocyte responses against melanocytes and melanoma" pdf
Ngày tải lên :
18/06/2014, 22:20
... 5’-GGGCCAGGCTCCAGGTAAGTAT-3’; MART-1 (Melan-A)(S):5’-TGACCCTACAAGATGCCAAGAG-3’, (AS): 5’-ATCATGCATTGCA ACATTTATTGATGGAG-3’ The real-time qRT-PCR was performed in single wells of a 96-well plate (BioRad, ... in a 25 μl reaction mixture using components of the Sybr Green qPCR system according to manufacturer’s protocol (Invitrogen) Cycling of cDNA involved denaturation at 95°C for 30s, annealing at ... Antityrosinase-related protein-2 immune response in vitiligo patients and melanoma patients receiving active-specific immunotherapy J Invest Dermatol 1998, 111:1034-1039 Guevara-Patino JA, Turk...
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báo cáo hóa học:" Cytotoxic T lymphocyte responses against melanocytes and melanoma" pptx
Ngày tải lên :
20/06/2014, 04:20
... 5’-GGGCCAGGCTCCAGGTAAGTAT-3’; MART-1 (Melan-A)(S):5’-TGACCCTACAAGATGCCAAGAG-3’, (AS): 5’-ATCATGCATTGCA ACATTTATTGATGGAG-3’ The real-time qRT-PCR was performed in single wells of a 96-well plate (BioRad, ... in a 25 μl reaction mixture using components of the Sybr Green qPCR system according to manufacturer’s protocol (Invitrogen) Cycling of cDNA involved denaturation at 95°C for 30s, annealing at ... Antityrosinase-related protein-2 immune response in vitiligo patients and melanoma patients receiving active-specific immunotherapy J Invest Dermatol 1998, 111:1034-1039 Guevara-Patino JA, Turk...
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Báo cáo y học: "Impact of cytokines and T lymphocytes upon osteoclast differentiation and function" pot
Ngày tải lên :
09/08/2014, 10:20
... concentrations of many cytokines and growth factors undoubtedly influence differentiation pathways The Wnt pathway is essential for osteoblast differentiation, and its central role in regulating ... regulating bone mass is exemplified by individuals with high bone mass phenotypes having activating mutations in the Wnt pathway Wnt signalling is also involved in T cell development and osteoclastogenesis, ... convincing evidence that osteoblasts or fibroblasts produce soluble RANKL Notably, IL-17 production further discriminates CD4+ T cell populations, with the cells producing it being designated...
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Báo cáo y học: "Control of mucosal virus infection by influenza nucleoprotein-specific CD8+ cytotoxic T lymphocytes" ppsx
Ngày tải lên :
12/08/2014, 15:20
... Competing interests The author(s) declare that they have no competing interests Authors' contributions INM planned the experiments, participated in executing most experiments including, vaccination, ... virus vaccine in aged mice by IL-2 liposomes Vaccine 1990, 8(4):347-352 Mbawuike IN, Six HR, Cate TR, Couch RB: Vaccination with inactivated influenza A virus during pregnancy protects neonatal mice ... study was initiated to determine whether CD8+ T cells alone can control an influenza virus infection in the epithelial cells lining the respiratory tract because human influenza virus infection...
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Tài liệu Báo cáo khoa học: Four divergent Arabidopsis ethylene-responsive element-binding factor domains bind to a target DNA motif with a universal CG step core recognition and different flanking bases preference pptx
Ngày tải lên :
18/02/2014, 13:20
... variations in binding affinity were caused by binding instability as a result of nonspecific interference, rather than the alternation of a binding site, we carried out the competition binding assay using ... M & Singh KB (1997) Arabidopsis thaliana ethylene-responsive element binding protein (AtEBP), an ethylene-inducible, GCC box DNA-binding protein interacts with an ocs element binding protein Proc ... classification of the ERF family may partly reflect the features in DNA binding of a certain population of ERF domains The observations acquired in the present study imply that the divergent ERF domains...
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Tài liệu Báo cáo khoa học: Identification of different isoforms of eEF1A in the nuclear fraction of human T-lymphoblastic cancer cell line specifically binding to aptameric cytotoxic GT oligomers ppt
Ngày tải lên :
21/02/2014, 00:20
... dramatic increase in protein methylation at as many as nine lysine residues, without any change in the protein or mRNA levels [43] This modification, as well as other post-translational modifications, ... autoradiographed In the UV cross-linking assay, the samples were incubated at room temperature, as described above for the EMSA assay, and then irradiated at 302 nm for 10 using a transilluminator (Bio-Rad ... Thus, in these high basic proteins it might be that either methylation of the lysine or specific substitutions in the amino acid sequence, increasing the number of basic residues of lysine, arginine...
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Báo cáo khoa học: Tec family kinases Itk and Rlk⁄ Txk in T lymphocytes: cross-regulation of cytokine production and T-cell fates pot
Ngày tải lên :
28/03/2014, 22:21
... homology and -3 protein interaction domains that are important for kinase regulation, and a Tec homology domain containing one or two proline-rich regions that interact intra- or intermolecularly ... cytokine-producing populations that also play key roles in shaping immune responses, implicating Tec kinase signaling in multiple levels of regulation of cytokine production Itk and the regulation of cytokineproducing ... through CD28, TCR signaling also activates phosphatidylinositol 3-kinase, which catalyzes the accumulation of phosphatidylinositol (3,4,5)-triphosphate The initial step in the activation of TFKs upon...
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báo cáo hóa học:" Comparative study on the immunogenicity between an HLA-A24-restricted cytotoxic T-cell epitope derived from survivin and that from its splice variant survivin-2B in oral cancer patients" pot
Ngày tải lên :
18/06/2014, 15:20
... http://www.translational-medicine.com/content/7/1/1 Figure Western blotting analysis of survivin protein in oral cancer cell lines Western blotting analysis of survivin protein in oral cancer cell lines Lysates ... survivin-2α, survivin-2B, survivin-ΔEx3, and survivin-3B [12-15] While survivin-2α and survivin-3B are truncated forms, survivin2B results from alternating splicing at the interface between exon ... membranes were then incubated with blocking buffer (5% nonfat dry milk in PBS) for hour at room temperature and then incubated for 40 minutes with mouse anti-human survivin monoclonal antibody...
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Báo cáo y học: " Multiple functions for CD28 and cytotoxic T lymphocyte antigen-4 during different phases of T cell responses: implications for arthritis and autoimmune disease" pot
Ngày tải lên :
09/08/2014, 01:23
... molecules is activation dependent, CTLA-4 crosslinking during T cell activation prevents T cell activation rather than terminating AICD Thus, these unactivated or incompletely activated T cells are ... factor of activated T-cells (NFAT) This results in decreased interleukin (IL)-2 production and cell-cycle arrest (b) In its unphosphorylated state CD28 binds the serine/threonine phosphatase PP2A ... Bonifacino JS, Saito T: Tyrosine phosphorylation controls internalization of CTLA-4 by regulating its interaction with clathrin-associated adaptor complex AP-2 Immunity 1997, 6:583-589 Linsley...
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Báo cáo y học: " Expression of Nef from unintegrated HIV-1 DNA downregulates cell surface CXCR4 and CCR5 on T-lymphocytes" docx
Ngày tải lên :
12/08/2014, 23:23
... downregulation, similar to that of integrating virus was observed These findings confirm that Nef derived from unintegrated HIV-1 DNA can downregulate cell surface CD4 to levels ≈ 11% of those attained ... and CD4 staining Rev-CEM cells that had been infected with pseudovirus were stained at 72 h post-infection in PBS containing 3% fetal bovine serum and 0.05% sodium azide for 30 minutes at 4°C with ... consideration is that patterns of transcription and translation from unintegrated virus, arising from D116N integrase mutations or INSTI-treated cells, are identical to those observed in infections of...
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Báo cáo y học: "Effects of naturally-arising HIV Nef mutations on cytotoxic T lymphocyte recognition and Nef’s functionality in primary macrophage" pptx
Ngày tải lên :
13/08/2014, 01:21
... these Nef activities in MDMs infected with a CCR5-tropic virus This is in line with the previous report showing that 75T mutation modulated Nef-stimulated viral replication in immature dendritic cell/T ... down-regulation in HIV-infected MDMs (A) MDMs prepared from an HIV-negative donor were infected with wild-type or variant viruses as indicated Cells were stained with 7-amino-actinomycin D (7-AAD; ... protein is thought to have very high mutational plasticity, we showed here that the naturally-arising CTL escape variants in the wellconserved PxxP region in Nef alone or in combination can modulate...
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Báo cáo y học: " A balanced transcription between telomerase and the telomeric DNA-binding proteins TRF1, TRF2 and Pot1 in resting, activated, HTLV-1-transformed and Tax-expressing human T lymphocytes" pot
Ngày tải lên :
13/08/2014, 09:21
... transcription is silent in ATL cells, indicating that viral expression is not directly involved in telomerase activation of ATL cells We have recently shown that HTLV-1 in vitro infected T cells express ... to their in vitro /in vivo derivation and/or to selection pressures in culture Whatsoever, these data suggest that Tax is not intervening in the modulation of this balanced transcription Indeed, ... regulated in vivo, at the level of telomere itself, by several shelterin subunits, including TRF1, TIN2, TPP1, Pot1 and Rap1 For instance, Pot1, a single-stranded telomeric DNA-binding protein,...
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Báo cáo y học: " A peptide-loaded dendritic cell based cytotoxic T-lymphocyte (CTL) vaccination strategy using peptides that span SIV Tat, Rev, and Env overlapping reading frames" ppt
Ngày tải lên :
13/08/2014, 09:21
... peptide pool, in duplicate Plates were incubated at 37°C in a CO2 incubator for 48 hours, washed, treated with a biotinylated anti-human IFN-γ (MabTech), and then developed using streptavidin-HRP (Pierce) ... might constrain HIV-1 against developing mutations The above hypothesis posits that mutations in a CTLepitope(s) embedded within a portion of SIV that codes three overlapping proteins, Tat, Rev and ... NJ) Vaccination Six vaccinations were scheduled, at two-week intervals Vaccination number five was delayed for two weeks, thus pushing back vaccinations number five and six For each time point MDDC...
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Vietnamese Speech Recognition and Synthesis in Embedded System Using T-Engine
Ngày tải lên :
12/04/2013, 16:05
... resource used in T-Engine The training phase is implement in a PC with speech data from T-Engine, only the recognition module is implemented in T-Engine IV VIETNAMESE SPEECH SYNTHESIS IN T-ENGINE Previous ... multiplied with Hamming window 92.00% 94.80% 93.50% 92.00% 91.00% 96.00% 94.00% 20 Gauss Note that, in our recognition engine, we separate the training phase from the recognizing phase in order to reduce ... our software running in T-Engine This software allow users to use speech-commands to query information about places in Ha Noi Figure illustrate the main screen of the software, in this screen user...
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Báo cáo khoa học: N-Glycosylation is important for the correct intracellular localization of HFE and its ability to decrease cell surface transferrin binding pptx
Ngày tải lên :
06/03/2014, 22:21
... against the existence of a single glycosylation site that is of such absolute importance that it is capable in its own right of regulating localization, b2M interactions or transferrin binding Instead, ... peptide binding [16] The a3 region, like its homologous domain in MHC 3220 class I, is an immunoglobulin-like domain that mediates binding to b2M [16,17] C-Terminal residues of HFE mediate its ... transfected into HEK293T cells and the lysates analysed by western blotting The results from these experiments, which are shown in Fig 2A, indicate that the introduction of single alanine mutations at...
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Báo cáo khoa học: Identification and characterization of novel PKA holoenzymes in human T lymphocytes pdf
Ngày tải lên :
16/03/2014, 18:20
... cAMP-inducible PKA activity that could be inhibited by protein kinase inhibitor (PKI) In the presence of cAMP approximately one-third of the PKI-inhibited activity was released into the extract, indicating ... electroblotting Membranes were blocked in 5% (w ⁄ v) skimmed milk powder in Tris-buffered saline containing 0.1% (v ⁄ v) Tween-20 (TBST) for h at room temperature, and then incubated for h at room ... demonstrated that human Cb2 cDNA encodes an active protein kinase capable of phosphorylating a typical PKA substrate Next we immunoprecipitated from the Ca1, Cb2 and mock transfected cell lysates using...
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Báo cáo khoa học: Novel aspects of calmodulin target recognition and activation pptx
Ngày tải lên :
17/03/2014, 09:20
... contributes to peptide binding via electrostatic interactions and determines the relative binding orientation of CaM-binding domain peptides Basic residues at the N-terminus of the peptide form ... the binding domain peptides and charge complementarity of binding surfaces determine the binding orientation of the peptide in complex with CaM The second interesting feature is the conformation ... CaM-binding domain to only the C-terminal lobe of CaM demonstrates that Ôwrapping aroundÕ a CaM binding domain, as seen in the complexes with MLCK and CaMKIIa, is not necessary to activate certain...
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Báo cáo Y học: Interferon-alpha inhibits Stat5 DNA-binding in IL-2 stimulated primary T-lymphocytes doc
Ngày tải lên :
31/03/2014, 15:20
... proliferation in a manner similar to IL-2 [8] These cytokines share the cc in IFNα 0.5h - α–Stat1 α–Stat3 α–Stat4 α–Stat5 - α–Stat3 α–Stat4 α–Stat5 - IL-2/IFNα 0.5h α–Stat1 - α–Stat3 α–Stat4 α–Stat5 ... Stat Stat - α–Stat5 IL-2/IFNα 48h IL-2 48h - α–Stat1 - α–Stat5 - α–Stat1 α–Stat5 PHA IFNα 0.5h - α–Stat1 - α–Stat5 - α–Stat1 - α–Stat5 IL-2 0.5h - α–Stat1 Antibody PHA B IL-2/IFNα 0.5h Stat Stat ... on Stat5 DNA-binding Although the role of Stat5 in T-lymphocyte proliferation is still somewhat controversial, recent studies indicate that Stat5 is indeed required for a proper proliferative...
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