... in turn, driving the functional homeostasis of CD4 +Foxp3+ Treg cells in the target organ IL-2 restores the Treg/Teff balance in T1 D IL-2 is important in instructing Treg lineage commitment Apart ... Administration of an IL-2-neutralizing antibody into neonatal NOD mice precipitated T1 D development by selectively depleting the Treg cell subset, reinforcing the importance of IL-2 in promoting Treg ... response to the treatment, and that this effect seems to be increased with prolonged time of treatment [66] Of note is the fact that this effect correlates with a medically positive outcome, i.e...
Ngày tải lên: 18/06/2014, 16:20
... activity that was neutralized by anti-TGF-β Activating both CD4+ and CD8+ cells in the presence of TGF-β thus induced them to develop cytokine-dependent The role of transforming growth factor-β ... favor the hypothesis that TGF-β promotes the death of mature Th1 and Th2 cells while protecting newly generated regulatory T cells from undergoing apoptosis This view is consistent with a report indicating ... CD4+ cells are CD25–, why the predominant TGF-β effect on T cells in this fraction is the generation of ‘professional’ regulatory T cells remains to be determined Our finding that both IL-2 and TGF-β...
Ngày tải lên: 09/08/2014, 03:24
Báo cáo y học: "Role of regulatory T cells in experimental arthritis and implications for clinical use" potx
... might not be a feasible option treatment decreases the infiltrate in joints Furthermore, RA patients relapse shortly after withdrawal of anti-TNF-α [19] and thus, despite the dampening of joint inflammation ... that Treg isolated from patients with active RA before treatment with anti-TNF-α were unable to suppress proinflammatory cytokine secretion from activated T cells and monocytes After anti-TNF-α treatment ... Giannoni F, Rijkers G, et al.: CD4+CD25bright regulatory T cells actively regulate inflammation in the joints of patients with the remitting form of juvenile idiopathic arthritis J Immunol 2004,...
Ngày tải lên: 09/08/2014, 06:23
An application of GIS and Remote Sensing for Analysis of Agricultural Development-Induced Changes in Land Use: A case study in Lao PDR pdf
... such data, in particular for detection, interpretation, area calculation, monitoring and future estimating Therefore, this study applied GIS and remote sensing for analysis the land use pattern ... important tools for agricultural development planning because it provided integrated information on social and physical aspects of the study area 23 Thank you very much for your kind attention ... private investment on commercial tree (rubber plantation) 22 Conclusions (cont.) For 2nd objective 1.The tool for decision support system in sustainable of agricultural development in this study...
Ngày tải lên: 17/03/2014, 11:20
Báo cáo y học: "Nature of Regulatory T Cells in the Context of Allergic Disease." ppsx
... Treg cells, account for to 10% of peripheral CD4+ T cells and inhibit the activation of effector T cells in the periphery.38,39 FOXP3, the transcriptional regulator expressed on Treg cells, acts ... et al, Regulatory T Cells in the Context of Allergic Disease thus preventing the activation of mast cells and basophils IgG4 has been shown to reduce the IgE-mediated degranulation of these cells ... Hence, the oral mucosa represents a unique immunologic unit with the first contact with the allergen within the gastrointestinal tract, where immune tolerance is the natural outcome Freshly isolated...
Ngày tải lên: 08/08/2014, 21:20
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
... limiting at the site of inflammation, the production of cytokines that lead to inhibition of T- cell responses, or the development of Tr1 or Th3 cells These regulatory phenomena are very important ... autoreactive cells that escape negative selection must be restrained in the periphery, and it is thought that CD4+CD25+ TR cells generated in the thymus perform that role In addition to regulation of ... question: Do TR cells represent a lineage of T cells or a state of activation that may be achieved by any T cell under the appropriate conditions of activation? The induction of TR cells in the...
Ngày tải lên: 09/08/2014, 01:24
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
... abrogating the suppressive effect of Treg cells [37] With this in mind, it could be interesting to investigate whether the accumulated Treg cells in patients with arthritis function properly in vivo ... hand, transfer of Treg cells 24 hours after intra-articular antigen challenge might be too late to inhibit activation of effector T cells and their migration to the joint Indeed, T- cell activation ... against the foreign antigen mBSA clearly demonstrates that their suppressive effect is not strictly limited to autoreactive T cells Taking into consideration that Treg cells are also critically involved...
Ngày tải lên: 09/08/2014, 06:22
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
... an IDO inhibitor These findings suggest that the functional activities of IDO from tolerized mice could affect the T- cell response In the resting state, autoreactive T cells residing in the periphery ... determining immunity or immune tolerance; this determination is based on the maturation or activation state and the subset of DCs, and cytokine profiles in the microenvironment at the time of antigen ... suppression of CIIreactive T- cell function in induction of oral tolerance to CII These results demonstrate that the induction of IDO+ DCs in Peyer's patches plays an essential role in the induction of...
Ngày tải lên: 09/08/2014, 10:22
Báo cáo y học: "haracterization of regulatory T cells in urban newborns" pptx
... supervised patient recruitment for the study and obtained funding JEG participated in study design, data analysis, and obtained funding All of the authors participated in drafting the manuscript and ... no statistical differences in baseline characteristics of newborns with and without proliferation data (Table 1) Although of the infants were admitted to the ICU, none of them were intubated ... and the R system for statistical computing [27] Results Subject characteristics The subjects in this study consisted of a subset of newborns and mothers enrolled in URECA at the Boston study site...
Ngày tải lên: 13/08/2014, 13:22
Báo cáo y học: "Signatures of human regulatory T cells: an encounter with old friends and new" pdf
... 5'-ACC CTG CCC CTG CTC TGC TA-3' TRAF1 5'-GGG GCA TAA ACT TTC CTC TTC C-3' 5'-TTT GGG GTT ATA CAT TGC TCA GTG-3' LGALS3 5'-CCT TTG CCT GGG GGA GTG GTG-3' 5'-TGA AGC GTG GGT TAA AGT GGA AGG-3' RT-PCR, ... limiting the lateral mobility of the TCR and resulting in restricted TCR-mediated signaling on T cells [42] We therefore suggest that upregulation of both galectins in TReg cells results in a modulation ... downregulation of FHIT also contributes to the inactive status of TP53 Based on our data, we suggest that destabilization and thereby inactivation of TP53 provokes a shift in TReg cells from apoptotic sensitivity...
Ngày tải lên: 14/08/2014, 16:21
Báo cáo sinh học: " Protection against the allergic airway inflammation depends on the modulation of spleen dendritic cell function and induction of regulatory T cells in mice" docx
... are intermediate between immature and mature DCs, resulting in tolerogenic interaction with T cells in SIT We found that the combination of DNA vaccination with Fc and OVA had better effects onOVAinduced ... pathway of regulation of type immunity in asthma Competing interests The authors declare that they have no competing interests Authors' contributions YL performed all analyses and wrote the initial ... directly to DCs may a new alternative of therapies for patients with allergic asthma These findings suggest that spleen DCs and Foxp3+ Tregs prevents the generation and activation of Th2 effector cells...
Ngày tải lên: 14/08/2014, 19:22
Báo cáo y học: "The expansion of CD4+CD28– T cells in patients with rheumatoid arthritis" potx
... T cells contribute to the cell infiltrate and exhibit increased survival after apoptotic stimuli Resistance to apoptosis in CD28– T cells is due to elevated expression of antiapoptotic protein ... required In all patients, X-rays were made of the chest, hands, feet, and, when required, other joints The evaluation of the subjects included physical examinations with attention to pattern of joint ... RA patients with limited joint manifestations The frequency of CD4+CD28– T cells in groups and differed significantly from that in group (see Table 1) To investigate the relation between the amount...
Ngày tải lên: 09/08/2014, 01:22
Báo cáo y học: "CD134 as target for specific drug delivery to T cells in adjuvant arthritis" pps
... about this time T cells start to infiltrate the joints [17] The present data therefore suggest that early in AA, CD134+ T cells, after activation in the PLN, can migrate to Available online http://arthritis-research.com/content/7/3/R604 ... experiments and participated in the interpretation of the results WVE participated in the design of the study and in its coordination LE participated in the experiments, statistical analysis and interpretation ... directly to these T cells Thus, anti-CD134 liposomes represent an attractive method for the development of therapies aiming at the modulation of auto-aggressive T cells for intervention in autoimmune...
Ngày tải lên: 09/08/2014, 06:22
Báo cáo y học: "Regulatory T cells in systemic lupus erythematosus: past, present and future" pot
... intact in cultures without antigen-presenting cells The functional activity of both patient and healthy control Tregs, however, was decreased in the presence of the patient’s antigen-presenting ... Overproduction of type I interferons in SLE matures dendritic cells (DCs) into immunogenic antigen-presenting cells that strongly contribute to the T- cell and B-cell hyperactivity characteristic of this ... not be able to overcome the strength of T- cell stimulation or the inhibitory effects of proinflammatory cytokines produced by other cells It is known that strong Toll-like receptor stimulation...
Ngày tải lên: 09/08/2014, 13:22
Báo cáo y học: " No genetic evidence for involvement of Deltaretroviruses in adult patients with precursor and mature T-cell neoplasms" doc
... The results rule out a role of known Deltaretroviruses in the disease entities under investigation here The involvement of a hitherto undetected Deltaretrovirus is not completely excluded but ... different isolates are given on the left The first region corresponds to the proline tRNA binding site; the start of the pol ORF is underlined in the second region (site of ribosomal frameshift) lates ... published yet The tree is not intended to set up a phylogeny but to illustrate the genetic relationships between the isolates III and HTLV-IV isolates have not yet been fully characterized, and their...
Ngày tải lên: 13/08/2014, 09:20
Tài liệu Báo cáo khoa học: Application of a fluorescent cobalamin analogue for analysis of the binding kinetics A study employing recombinant human transcobalamin and intrinsic factor pdf
... represents total concentration of the binding sites Binding of IF to the receptor IF, with or without ligands, interacted with the specic receptor cubilin immobilized on the surface of the detecting ... in agreement with the presented speculations The peptide link, which connects the two domains in the full length protein, is not just a spectator of proteinligand interactions Thus, it adds to ... Therefore, the binding-dissociation reactions could be monitored directly in time making this uorescent conjugate particularly suitable for rened analysis of the Cbl binding kinetics Interaction...
Ngày tải lên: 19/02/2014, 05:20
Pseudo Velocity Shock Spectrum Rules For Analysis Of Mechanical Shock pdf
... calculating algorithm [15] approximates the acceleration as a straight line between the points, I the same thing for the time histories Using Matlab I interpolate the data so that it is digitized to ... curve to integrate to velocity Let’s discuss the trapezoidal or "straight-line-between-data-points" approximate discrete integration Our sampling rate has to be high enough so that a straight line ... had trouble getting the acceleration asymptotes to appear in the trapezoid and the initial peak saw tooth These have abrupt rise times that cause an initial doubling of the peak accelerations...
Ngày tải lên: 09/03/2014, 00:20
Báo cáo " Experiment for Bending Analysis of 3-phase Composite Plate in Ship Structure " doc
... to the Laboratory of the Shipbuilding Science and Technology Institute - Nha Trang University for their help in the experiment The results of researching presented in the paper have been performed ... D.K Minh / VNU Journal of Science, Mathematics - Physics 26 (2010) 141-145 The set of equation (3) is the basic set to determine the plate’s deflection when shear strain is taken into account The ... is to determine the deflection for 3-phase composite plate As we mentioned above, the deflection equation for orthotropic plates is described in [1-3,11] When shear strain is taken into account,...
Ngày tải lên: 14/03/2014, 13:20
Báo cáo khoa học: Analysis of the regulatory motifs in eukaryotic initiation factor 4E-binding protein 1 pot
... it is not obvious which other features contribute to raptor binding We have not therefore attempted to define further the features in the C-terminus of 4E-BP1 that are involved in its binding to ... better what residues constitute this type of motif, we created a range of further mutations in this region of 4E-BP1 It is important to note that, in the vector used here, the Myc tag is at the ... binding to raptor) The finding that the RAIP motif is important for the binding of 4E-BP1 to raptor is consistent with earlier observations showing that an intact RAIP motif is required for the...
Ngày tải lên: 16/03/2014, 06:20
SYSTEMATIC METHOD FOR ANALYSIS OF PERFORMANCE LOSS WHEN USING SIMPLIFIED MPC FORMULATIONS pptx
... needed in the industry It is important to account for safety constraints in the systems control One of the greatest strengths of MPC is the possibility of effectively involving constraints on inputs, ... are the constraints on states and inputs, respectively This optimal control problem is often called constrained finite time optimal control (CFTOC), because of the constraint on states, inputs ... its dynamic properties One of the greatest strength of the MPC is the possibility of effectively involving constraints on inputs, states and output variables On the other hand in both cases (offline...
Ngày tải lên: 31/03/2014, 22:20