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extraction chromatography and mass spectrometry

báo cáo khoa học:

báo cáo khoa học: "Upregulated expression of indoleamine 2, 3-dioxygenase in CHO cells induces apoptosis of competent T cells and increases proportion of Treg cells" pptx

Báo cáo khoa học

... alignment and drafted the manuscript JY carried out the immunoassays and drafted the manuscript HL and LY participated in the sequence alignment FW and WY performed the statistical analysis JL and ... digested with BglIIand SalI xperiments in this figure and following figures were performed at least three times on separate occasions (B) IDO gene integration and transcription by PCR and RT-PCR (C) ... digestion with BglII and SalI and sequencing CHO cells were cultured in RPMI medium 1640 with 10% FBS for 24 h and then transfected with 10 μg of pIRES2-EGFP-IDO using a standard electroporation...
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Pulmonary tuberculosis associated with increased number and percentage of natural killer and B cells in the peripheral blood pot

Pulmonary tuberculosis associated with increased number and percentage of natural killer and B cells in the peripheral blood pot

Sức khỏe giới tính

... Miranda SS (2008) Andrade HM, Oliveira MHP, Toledo VPCP Natural Killer Cell Subpopulations in Putative Resistant Individuals and Patients with Active Mycobacterium tuberculosis Infection Scand ... + lymphopenia observed in the present study and in other studies require further investigation to gain a better understanding of the mechanism(s) and factors involved REFERENCES Aktas E, Ciftci ... of CD3 + and CD4 + lymphocytes in the peripheral blood There was however no difference in the percentages of CD8 + and cells expressing HLA-DR molecules between the patients with PTB and normal...
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Báo cáo y học:

Báo cáo y học: "Indoleamine 2,3-dioxygenase-expressing dendritic cells are involved in the generation of CD4+CD25+ regulatory T cells in Peyer''''s patches in an orally tolerized, collagen-induced arthritis mouse model" ppt

Báo cáo khoa học

... edema and erythema limited to the foot or ankle, = slight edema and erythema from the ankle to the tarsal bone, = moderate edema and erythema from the ankle to the tarsal bone, and = edema and ... experimental work, and advised on the study S-HP, and J-KM are the senior researchers, and they supervised the experimental work and advised on the study All authors read and approved the final ... in CD4+CD25+ T cells, CD4+ T cells and DCs were cocultured and surfacestained with PerCP-labeled anti-mouse CD4 and allophycocyanin-labeled anti-mouse CD25, and then with 0.5 μg Phycoerythrin-conjugated...
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Báo cáo khoa học: Effect of 5-lipoxygenase inhibitor MK591 on early molecular and signaling events induced by staphylococcal enterotoxin B in human peripheral blood mononuclear cells doc

Báo cáo khoa học: Effect of 5-lipoxygenase inhibitor MK591 on early molecular and signaling events induced by staphylococcal enterotoxin B in human peripheral blood mononuclear cells doc

Báo cáo khoa học

... (1, 5, 30 and 60 for protein extraction and h and 16 h for RNA extraction) , PBMCs were incubated with an inhibitor of interest at room temperature for 30 at 20 lm, except SP600125 and SB203580, ... Animal Welfare Act and other federal statutes and regulations relating to animals and experiments involving animals and adheres to principles stated in the Guide for the Care and Use of Laboratory ... pinpoint the efficiency and the effectiveness of MK591 Experimental procedures Cells and cell cultures Effects of SEB on human PBMCs vitamin solution (Gibco BRL, Grand Island, NY, USA) The cultures...
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Báo cáo y học:

Báo cáo y học: "Nature of Regulatory T Cells in the Context of Allergic Disease." ppsx

Báo cáo khoa học

... CD4+CD25+ Treg cells and allergen-specific T cells and followed by B cells and monocytes by SIT causes specific tolerance in peripheral T cells and regulates specific IgE and IgG4 production toward ... response was characterized by suppressed proliferative T-cell and Th1 (interferon-c) and Th2 (IL-5, IL-13) cytokine responses and increased IL10 and TGF-b secretion by allergen-specific T cells.6,36,37 ... response The proposed role of Treg cells and cytokines in SIT has been elucidated, and there is clear evidence to support IL-10 and/ or TGF-bsecreting Treg cells and immunosuppressive cytokines as key...
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Báo cáo y học:

Báo cáo y học: "Decreased effector memory CD45RA+CD62L– CD8+ T cells and increased central memory CD45RA–CD62L+ CD8+ T cells in peripheral blood of rheumatoid arthritis patients" ppt

Báo cáo khoa học

... naïve and memory subpopulations of CD4+ and CD8+ T cells from one RA patient and a sex- and age-matched control individual (b) Pooled data showing naïve and memory subpopulations of CD4+ and CD8+ ... Rheumatology criteria for SLE and RA, respectively Patient profiles and characteristics are shown in Table Age- and sex-matched healthy control groups were included for the RA and the SLE patient groups ... patients (n = 8) and control individuals (n = 8) Horizontal lines indicate means (c) Pooled data showing naïve and memory subpopulations of CD4+ and CD8+ T cells from SLE patients (n = 12) and control...
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Báo cáo y học:

Báo cáo y học: "Direct Toll-like receptor 2 mediated co-stimulation of T cells in the mouse system as a basis for chronic inflammatory joint disease" ppsx

Báo cáo khoa học

... adaptive immune system, including B cells and T cells [9,10] Ligands for TLRs are found in rheumatoid synovium [11] and are involved in the pathogenesis and severity of inflammatory arthritis [12,13] ... Hamburg, Germany), CD23 (B3B4; Pharmingen) and CD21 (7G6; Pharmingen) Mature B cells (CD23+, B220++ and IgM+) and marginal-zone B cells (CD23-, B220++, CD21++ and IgM++) were then isolated by FACS ... measurement of mRNA in CTL lines and spleen cells that were stimulated with PMA and ionomycin, were repeated twice and gave similar results, both in the sense of interexperimental and intra-experimental...
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Báo cáo y học:

Báo cáo y học: "Regulating the immune system: the induction of regulatory T cells in the periphery Jane H Buckner1 and Steven F Ziegler2" pot

Báo cáo khoa học

... liver, the lung, and the intestine, and they appear to function via IL10 secretion [32,38–40] Wakkach and colleagues [41] recently identified a subset of dendritic cells in the spleen and lymph node ... the danger has passed, and to retain tolerance to self probably combines many mechanisms both centrally and in the periphery Our understanding of regulation is now expanding with the identification ... exposure to antigen and costimulation These cells proliferate and become CD4 T effectors Activation also induces a subset of CD4+CD25– T cells to upregulate CD25 and FoxP3 and acquire CD25+CD4+...
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The role of CD8 t cells in the differentiation of TNF iNOS producing dendritic cells and TH1 responses

The role of CD8 t cells in the differentiation of TNF iNOS producing dendritic cells and TH1 responses

Y - Dược

... laughter and joy during the long experimental days I am also grateful to Angeline for providing me invaluable help and support with regards to the skin anatomy and structure and to Michael, Kim and ... including IFN-γ and TNF-α, as well as chemokines, such as 21 Chapter 1: Introduction RANTES, MIP-1α and MIP-1ß, that function to recruit and activate mononuclear cells and granulocytes (Harty and Bevan, ... DCs for anti-tumor effects (Fernandez et al., 1999) and viral immunity (Andrews et al., 2003) Activated NK cells produce TNF-α and IFN-γ that promotes DC maturation and Th1 polarization (Gerosa...
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Báo cáo y học:

Báo cáo y học: "Enhanced effector function of cytotoxic cells in the induced sputum of COPD patients" doc

Báo cáo khoa học

... experimental work and wrote the manuscript JRL and IT participated in the study’s design and edited the manuscript LF and JC conceived the study, participated in its’ design and co-ordination, and edited ... cells and CD56 brightCD16- NK cells expressing only perforin and no granzyme B Examining the proportion of cells expressing only granzyme B and no perforin revealed no differences between groups and ... + CD3 - ) and NKT-like cells (CD56 + CD3+ ) from the induced sputum of COPD subjects are increased in both number and proportion and have a higher cytotoxic ability compared to HNS and smokers...
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Báo cáo y học:

Báo cáo y học: " Aberrant splicing of the hRasGRP4 transcript and decreased levels of this signaling protein in the peripheral blood mononuclear cells in a subset of patients with rheumatoid arthritis" pdf

Báo cáo khoa học

... the data and draft of the manuscript HT helped collection and acquisition of the data and draft of the manuscript TA and TK was involved in the interpretation and design of the study, and also ... and performed experiments and performed statistical analyses SY designed the study, performed experiments and drafted the manuscript HK designed and performed experiments, helped collection and ... of RA patients Materials and methods Healthy individuals and patients with RA and other autoimmune disorders Forty two apparently healthy Japanese individuals (6 males and 36 females, 49.8 ± 6.7...
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Báo cáo y học:

Báo cáo y học: " In situ detection of Gag-specific CD8+ cells in the GI tract of SIV infected Rhesus macaques" pptx

Báo cáo khoa học

... housed at the Oregon and Washington National Primate Research Centers in accordance with standards of the Center’s Animal Care and Use Committee and the NIH “Guide for the Care and Use of Laboratory ... experiments, prepared the figures and the manuscript and provided funding KL designed and supervised the flow experiments KD performed the RT-PCR and PCR assays for SIV RNA and DNA quantification from ... lymphoid tissue biopsies DM and JV supervised confocal- and deconvolution- microscopy and 3D image rendering and analysis JC made the Qdot 655 multimers CO generated the Gag CM9- and Tat SL8-specific...
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Báo cáo khoa học:

Báo cáo khoa học: " Water extraction by tree fine roots in the forest floor of a temperate Fagus-Quercus forest" pdf

Báo cáo khoa học

... abundance and water forest floor and mineral soil extraction in profile? The study is part of a comparative analysis of the water and nutrient cycles in three forest and heathland stands that ... poor sandy soil in the diluvial lowlands of NW Germany (site OB5) The stand is located west of Unterlüss in the southeastern part of the Lüneburger Heide (52°45’ N, 10°30’ E) in level terrain and ... forest floor and the underlying mineral soil down to 60 cm deep Sampling procedure and separation of biomass and necromass are described in detail in [3] RESULTS 3.1 Hydrologic characteristics of...
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Báo cáo y học:

Báo cáo y học: " Induction of IL-10-producing CD4+CD25+ T cells in animal model of collagen-induced arthritis by oral administration of type II collagen" pptx

Báo cáo khoa học

... and erythema limited to the foot and/ or ankle; = slight oedema and erythema from the ankle to the tarsal bone; = moderate oedema and erythema from the ankle to the tarsal bone; and = oedema and ... of CIA Mononuclear cells were isolated from the Peyer’s patch and the spleen, and production of IL-10 and TGF-β was assessed by sandwich ELISA analyses of culture supernatants The data represent ... nodes and the spleen were removed from each mouse and washed twice with PBS Tissues were minced and the cells were filtered through a cell strainer and centrifuged at 1500 rpm at 4°C for 10 The cell...
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Báo cáo y học:

Báo cáo y học: "CD4+CD25+ immunoregulatory T cells may not be involved in controlling autoimmune arthritis" ppsx

Báo cáo khoa học

... IgG1 and IgG2a standards Mouse IgG1 and IgG2a standards were purified by sepharose-coupled protein G from irrelevant (non-proteoglycan-specific) monoclonal antibody-containing ascites fluids and ... antibodies, fixed and rendered permeable, and stained with R-phycoerythrin (PE)-labeled anti-CTLA-4 using a Cytofix/Cytoperm kit (BD PharMingen) Purification of CD4+CD25+ and CD4+CD25– T cells and cell ... of PGIA Materials and methods Antigen, mice and immunization High-density cartilage proteoglycan (aggrecan) was purified from human cartilage, by CsCl gradient centrifugation, and depleted of glycosaminoglycan...
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Báo cáo y học:

Báo cáo y học: "A paragon of self-tolerance: CD25+CD4+ regulatory T cells and the control of immune responses" pps

Báo cáo khoa học

... About 5–10% of CD4+ T cells and less than 1% of CD8+ peripheral T cells constitutively express CD25 in normal naïve mice, and such cells are found in the CD5high and CD45RBlow T cell fractions ... CCR5 and their human counterparts expressing CCR4 and CCR8 [19,20] Such a distinctive pattern of chemokine receptors suggests that TR cells might be rapidly recruited to sites of inflammation and ... phenotype of TR and primed T cells, but they are more relative than absolute For example, although both primed T cells and TR cells express CD25, the latter does so to a higher level and more stably...
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Báo cáo y học:

Báo cáo y học: "The role of regulatory T cells in antigen-induced arthritis: aggravation of arthritis after depletion and amelioration after transfer of CD4+CD25+ T cells" doc

Báo cáo khoa học

... streptavidin-allophycocyanine and streptavidin-PE, and matched antibody pairs for ELISPOT analysis of IFN-γ (R4-6A2 and biotinylated XMG1.2) and IL4 (BVD4 1D11 and biotinylated BVD6-24G2) production ... hybridoma and purified the monoclonal antibodies from the supernatant; planned and conducted all animal experiments, including ELISA and ELISPOT analysis; and drafted the manuscript PKP and MG scored ... intravenously, and 24 hours later mice were killed and the distribution of radioactivity in various organs and the rest of the body was measured in a γ-counter (Wallac Counter, Turku, Finnland) Alternatively,...
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Báo cáo y học:

Báo cáo y học: " Expansion of CD4+CD25+ helper T cells without regulatory function in smoking and COPD" potx

Báo cáo khoa học

... airway regulatory T cells in smokers and individuals with COPD, using flow cytometric analysis of CD127 and FoxP3 and their relation to CD25 expression Materials and methods The COPD patients did ... by Swedish Heart-Lung Foundation, the Swedish Heart and Lung Association, King Gustaf V’s and Queen Victoria’s foundation and Umeå University Anders Blomberg is the holder of the Lars Werkö Distinguished ... Zaunders J, Sasson S, Landay A, Solomon M, Selby W, Alexander SI, Nanan R, et al: Expression of interleukin (IL)-2 and IL-7 receptors discriminates between human regulatory and activated T cells...
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