characteristics detection and clinical relevance of alloantibodies in kidney transplantation

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

... against tumors and infectious diseases This is the ﬁrst study demonstrating the successful induction of speciﬁc CD8+ T cells against a human tumor antigen using OMLs in HLA Tgm in vivo and in PBMCs ... (OMLs) can be incorporated into F4 ⁄ 80positive macrophages or intraperitoneal CD11b-positive dendritic cells (DCs), resulting in the induction of a protective response following injection into the ... or 7-amino-actinomycin D (Beckman Coulter Co.) Tetramer-positive CD8+ lymphocytes and 7-aminoactinomycin D-negative viable cells were analyzed using a FACScan instrument (BD Biosciences) and flowjo...

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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

... defective in intracellular processing and MHC presentation of gp100, MART-1, and tyrosinase [20] MART-1 and gp100 specific CTL clones were previously isolated from PBMC samples of four post-vaccinated ... shown in Table 4, expression of both MART-1 and gp100 was variable in each of the samples However, out of the samples (Cases 2, 3, and 5) expressed comparable amounts of MAAs in both melanocyte and ... participated in its design and coordination and drafted the manuscript All authors read and approved the final manuscript Competing interests The authors declare that they have no competing interests...

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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

... defective in intracellular processing and MHC presentation of gp100, MART-1, and tyrosinase [20] MART-1 and gp100 specific CTL clones were previously isolated from PBMC samples of four post-vaccinated ... shown in Table 4, expression of both MART-1 and gp100 was variable in each of the samples However, out of the samples (Cases 2, 3, and 5) expressed comparable amounts of MAAs in both melanocyte and ... participated in its design and coordination and drafted the manuscript All authors read and approved the final manuscript Competing interests The authors declare that they have no competing interests...

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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

... of GM-CSF production is sufficient to override the inhibitory action of IL-18 In contrast, IL-12 predominantly increases the production of IFN-γ, which is the principal osteoclast inhibitor in ... 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, and the secreted ... include IL-12, IL-18 and IL-23, each of which has been demonstrated to inhibit osteoclast formation in a T lymphocyte-dependent process Each of these interleukins promotes T cell production of...

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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

... activity in promoting clearance of influenza virus infection in human influenza cannot be assumed because influenza in humans is primarily an infection of the mucosal surface of the respiratory ... the control of influenza are directed toward the hemagglutinin and neuraminidase surface proteins [15] or the M2 protein [17] The objective of the present study was to define the role of CD8+ CTL ... vaccinia-NP and vaccinia-gp120, respectively, for days CD8+ and CD8- cells (CD4+ T cells, B cells and macrophages) were obtained using AutoMacs × 107 cells were injected into the tail vein of...

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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

... Materials and methods Preparation of ERF domain-containing proteins The coding region of the ERF domain of CBF1 (UniProtKB: P93835) (amino acids 47–142), which contains 10 and 38 amino acids in the ... Ile17 in almost all of the ERF family (V17 in CBF1), V27 in ERF subfamily (Ile27 or Leu27 in the DRE-binding protein subfamily) and Tyr42 in the major ERF family (His42 in the CBF1 and TINY subgroup) ... Competition binding assay of the ERF–DNA complex The binding complex of the ERFs and their binding DNAs were incubated together with 0, 0.001, 0.01, 0.1, 1.0 and 10 lg poly[dAdT].poly[dA-dT] in a 10...

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$Tài liệu Báo cáo khoa học: Identiﬁcation of different isoforms of eEF1A in the nuclear fraction of human T-lymphoblastic cancer cell line speciﬁcally binding to aptameric cytotoxic GT oligomers ppt$

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

... amino acid sequence, increasing the number of basic residues of lysine, arginine and histidine, could occur However it seemed probable that the eEF1A isoforms could act as a controlling event in ... quantitation of microgram quantities of protein utilizing the principle of protein-dye binding Anal Biochem 72, 248–254 20 Laemmli, U.K (1970) Cleavage of structural proteins during the assembly of the ... quantify the amount of recovered protein owing to the presence of a high molar excess of BSA remaining in the buffer Therefore, a ﬁxed aliquot of the protein was incubated with the indicated probes,...

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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

... 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 ... by binding of phosphatidylinositol (3,4,5)-triphosphate, the product of phosphatidylinositol 3-kinase, to the pleckstrin homology domain [1] Itk interacts with the LAT–SLP-76 complex via binding ... roles in maintaining immune homeostasis and preventing autoimmunity These regulatory cells can either develop in the thymus or differentiate in the periphery The central role of cytokines in driving...

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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

... described, including 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 ... of PBS containing 1% formaldehyde and analyzed by FACScan (Becton Dickinson, Mountain View, CA) Binding affinity was evaluated by comparing mean fluorescence intensity of HLA-A24 expression in ... 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...

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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

... gene affecting CTLA-4 splicing in exon An A→G transition leads to the skipping of exon 2, resulting in an increase in the expression of a ligandindependent isoform of CTLA-4 [89] In humans, a ... CTLA-4 crosslinking of its ligands CD80/CD86 on the surface of dendritic cells makes them the principal mediator of inhibition [68] Ligation of CD80/CD86 induces the production of indoleamine 2,3-dioxygenase, ... of CD3-ζ and ZAP-70, downregulation of mitogen-activated protein kinases such as extracellular signal-related kinase and c-Jun N-terminal kinase, and inhibition of the nuclear translocation of...

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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

... study integrase-deficient virus, taking advantage of the capacity of unintegrated DNA to express Tat and Rev and thereby induce GFP expression [20] Introduction of the D116N mutation into the integrase ... (Invitrogen), and 293T cells were maintained in DMEM (Invitrogen), each supplemented with 10% fetal bovine serum, 1% L-glutamine and 1% penicillin/streptomycin 1.25 × 105 Rev-CEM cells were infected ... CXCR4, CCR5 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...

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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

... grant -in- aid for scientific research from the Ministry of Education, Science, Sports, and Culture of Japan and by a grant -in- aid for AIDS research from the Ministry of Health, Labor, and Welfare of ... targeting PxxP region of Nef can impose functional constraints in viral replication in this study, we did not find any beneficial Page of effects on clinical parameters (such as CD4 count and viral ... CD4+ T cells and MDMs This observation is in line with the previous report showing a substantial difference in intracellular processing of antigenic HIV peptides between monocytes and lymphocytes...

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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

... shelterin subunits, including TRF1, TIN2, TPP1, Pot1 and Rap1 For instance, Pot1, a single-stranded telomeric DNA-binding protein, behaves as a terminal transducer of the cis-inhibitory effect of ... cytometry determination of the expression of GFP and p19gag The percentage of cells in each quadrant is indicated B) Analysis of hTERT, and of telomere protein gene expression in hTERT/GFP transduced ... down-regulation of hTERT transcription in HTLV-1-T cell lines and in Tax-expressing T lymphocytes correlates with an increased transcription of shelterin genes, and more particularly that of POT1 and TERF2...

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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

... &7) We interpret the emergence of these amino acid changes in the face of a lack of in vivo control of challenge virus to mean that CTL-responses in a priori coding-frame dense portions of the ... before being culled Remaining animals maintained a CD4+ T-cell count between 400 and 600 AT56 and H405 began to show symptoms of simian AIDS and were culled approximately months after infection ... amino acids from Day 28 viruses in Tat, Rev, and Env from the overlapping regions used in the peptide vaccination Encoded amino acids from Day 28 viruses in Tat, Rev, and Env from the overlapping...

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Vietnamese Speech Recognition and Synthesis in Embedded System Using T-Engine

Ngày tải lên : 12/04/2013, 16:05

... synthesis into 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 ... 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 ... diphone only End-point of n period End-point of n+1 period End-point of n+1 period … All the data in the table above is calculated manually to ensure the quality of synthesis speech In order to speed...

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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

... removal of N-glycosylation sites in the bovine cation-dependent mannose 6-phosphate receptor: effects on ligand binding, intracellular targetting and association with binding immunoglobulin protein ... (2009) In vitro binding of HFE to the cation-independent mannose-6 phosphate receptor Blood Cells Mol Dis 43, 180–193 Elbein AD (1987) Inhibitors of the biosynthesis and processing of N-linked ... that in certain cell types HFE acts to regulate intracellular iron levels by decreasing the binding of transferrin to transferrin receptors and reducing cellular iron uptake as a consequence Indeed,...

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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

... kDa band in T cells and Jurkat cells and a 40 kDa protein band in Jurkat cells As no 40 kDa band could be detected using the anti-Cb(SNO157) in B C Fig Identiﬁcation of PKA catalytic subunits in ... kDa band in T cells A Cb-speciﬁc antibody anti-Cb(SNO157) (vi) recognized the 47 kDa band in T-cells, and the 40- and 47 kDa protein bands in Jurkat cells (C) Linear depiction of Ca1, Cb1 and ... 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 that the precipitated...

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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

... or N-terminal end of 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 ... different Ca2+-binding motifs are found in pentraxins, annexins and in C2 domains [36–39] The C2 domains consist of about 130 amino acids forming a compact b-sandwich composed of two four-stranded antiparallel ... portion of the K+-channel provides interesting insights into the mechanism of Ca2+ activated gating of the channel and presents a new way of CaM binding domain recognition The structure of the...

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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

... encoding IL-2Ra and pim-1, and probes were labelled as previously described [4] EtBr staining of rRNA bands was used to ensure equal RNA loading Quanti®cation of apoptosis using Annexin V staining ... signi®cantly alter the initial wave of IFP-53 GAS binding activity, whereas it severely inhibited the reappearance of bandshifts during the second wave of IL-2 induced binding at 24±48 h (Fig 3A) ... DNA binding activity in the cells (Figs 3,4 and 5) The links between IL-2 signalling and activation of the cell cycle in T-cells are poorly understood Activation of the PtdIns3K pathway in the...

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pattern recognition and image preprocessing (2ed , m dekker, 2002)(t)(719s)

Ngày tải lên : 05/06/2014, 11:52

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