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Báo cáo y học: " T cell receptor transgenic lymphocytes inflitrating murine tumors are not induced to express foxp3" potx

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Báo cáo y học: " T cell receptor transgenic lymphocytes inflitrating murine tumors are not induced to express foxp3" potx

... in tumor-infiltrating lymphocytes. Many groups have reported high percentages of Foxp3-positive lymphocytes infiltrating both murine and human tumors and have postulated that these Treg may ... 235-8. 1 T cell receptor transgenic lymphocytes infiltrating murine tumors are not induced to express foxp3 Jon G. Quatromoni1, Lilah F. Morris1, Timothy R. Donahue1, Yue Wang1, ... function [25]. Treg 15(Treg), Induced Regulatory T cells (iTreg), Tumor Infiltrating Lymphocytes (TIL), Transforming Growth Factor Beta (TGFβ). COMPETING INTERESTS None AUTHORS’...
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Báo cáo y học: "T-cell senescence and contraction of T-cell repertoire diversity – catalysts of autoimmunity and chronic inflammation" pdf

... pep-tides by the same TCR [10,11]. T- cell diversity, tolerance, and autoimmunityRecent studies have interpreted the need for repertoirediversity within the T- cell compartment from a totally differ-ent ... directly viatheir cytotoxic activity. Again, as seen in patients with RA,the activity of CD4+CD28null T cells can be modulated byregulatory receptors of the KIR family [84]. CD4+ T cellsfrequently ... CD4+CD28null T cells are resistant to apoptosis (the data on CD8+ T cells are contradictory) [68–70]. Resistance to apoptosis-inducingsignals cannot be attributed to a single mechanism but isacquired...
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Báo cáo y học: "T-cell contact-dependent regulation of CC and CXC chemokine production in monocytes through differential involvement of NFκB: implications for rheumatoid arthritis" docx

... M-CSF-differentiated monocytes,suggesting that RA synovial T cells possess similarities in theireffector function to Tck cells, rather than Ttcr cells. It is note-worthy that RA T cells isolated based ... also sharedby T cells activated with a cytokine cocktail containing IL-2, IL-6and TNFα, but not T cells activated by anti-CD3 cross-linkingthat mimics TCR engagement. This study demonstrates ... previously shown thatalthough Ttcr cells activate monocytes to produce both TNFαand IL-10, Tck cells only trigger the production of TNFα inmonocytes, suggesting that this is a mechanism by which thecytokine...
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Báo cáo y học: "T cell Activation does not drive CD4 decline in longitudinally followed HIV-infected Elite Controllers" docx

... than those withstable or increasing CD4 counts our result s support theinterpretation that the level of immune activation asdetermined by the percent of CD38+DR+CD8+Tcelllevels is not ... EC to drive CD4 decline.Recently, it has been observed that most EC have low-level viremia detected by assays that are more sensitivethan the standard VL assays [27-29]. A limitation of theresults ... activa-tion as determin ed by pe rcent CD38+HLA-DR+CD8+ T cell levels in not higher in the EC subset with falli ngCD4 counts.AcknowledgementsThe authors wish to thank the study participants...
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Báo cáo y học: " T-cell activation promotes tumorigenesis in inflammation-associated cancer" potx

... regulates the type andextent of inflammatory infiltrate, the level of cytotoxicityand genetic instability, the degree of neovascularization,and the innate and adaptive immune responses to thetumor ... associated inflammation [27].The third transgene is a genetic manipulation of the T- cell receptor that restricts its recognition to ovalbumin suchthat activation of T- cells in TCR transgenic ... demonstrated that activation of T- cells in T- cell receptor (TCR) transgenic TAX-LUC animals dramatically exacerbated thedevelopment of subcutaneous TCR- CD16+ LGL tumors. The role of activated T- cells...
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Báo cáo y học: " T cell activity in successful treatment of chronic urticaria with omalizumab" pdf

... weeksand the patient remains asympto matic without any sideeffects.Further,wetriedtoextenditto8weeks,butresulting with small hives in patient’s extremities.In parallel, whole blood was obtained ... magnet tray, a hypotonic basic solution aslysis reagent was added to release intracellular ATP. Dur-ing incubation, increased ATP synthesis occurs withinthe cells that respond to PHA. The ATP ... Allergy entitled “Downregulation of the high-affinity IgE receptor associatedwith successful treatment of chronic idiopathic urticariawith omalizumab” [1]. The study demonstrated theeffectiveness...
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Báo cáo y học: " Forefoot pathology in rheumatoid arthritis identified with ultrasound may not localise to areas of highest pressure: cohort observations at baseline and twelve months" ppt

... found that US detectable forefoot soft tissue pathology may be unrelated to peak forefoot pressures and suggest that patients with RA may biomechanically adapt to soft tissue forefoot pathology. ... relative to forefoot soft tissue pathology and patient reported foot symptoms would be useful to determine optimal clinical assessment protocols. It is inevitable that the heterogenous nature ... of MTP joint synovial hypertrophy and forefoot bursal hypertrophy (Table 7). This suggests that the pattern of presence of MTP joint synovial hypertrophy and forefoot bursal hypertrophy within...
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Báo cáo y học: " Toll-like receptor homolog RP105 modulates the antigen-presenting cell function and regulates the development of collagen-induced arthritis" pot

... when the cellswere stimulated with collagen, but not with anti-CD3 antibody.These data suggest that reduced Treg function is not intrinsicbut instead is due to insufficient activation when triggered ... inflammatory cytokines by APCs activatedby immunization with CII and CFA.Next, we tried to elucidate whether the regulatory role ofRP105 in the development of arthritis is exerted only when thedisease ... with a plunger. The resultant cell puritywas greater than 90% by flow cytometry, and the contaminat-ing cells were mainly non -T non-B cells. Foxp3 staining wasperformed to compare the purity...
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Báo cáo y học: "Apoptotic cell-mediated suppression of streptococcal cell wall-induced arthritis is associated with alteration of macrophage function and local regulatory T-cell increase: a potential cell-based therapy" ppsx

... environment has beenattributed to apoptotic cells themselves, apoptotic cell uptakeby phagocytes as well as a less sensibility of phagocytescapturing apoptotic bodies to activation. Therefore ... anti-inflammatorymicroenvironment. This first sequential event directly targetsthe acute phase induced by the SCW complexes and may pre-vent effector T- cell activation and migration to inflammatorysites ... weevaluated the potential of apoptotic cell injection to influence thecourse of inflammation in SCW -induced arthritis in rats.Methods Rat apoptotic thymocytes were injectedintraperitoneally (2...
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Báo cáo y học: " A cell surface interaction network of neural leucine-rich repeat receptor" doc

... scalability andsensitivity to detect transient interactions that are not gener-ally detected by other high throughput protein bindingassays. Beyond identifying extracellular binding partners ... on the basis that they compati-bly express interacting receptors.DiscussionThis study represents the first step towards mapping anextracellular interaction network between neural receptor proteins, ... at the cell sur-face. In an attempt to resolve this problem, we asked to whatextent the strengths of interactions between shared receptorsmight vary. We selected a subnetwork of interactions...
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