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The role of B cell activating factor in B cell development and autoimmunityZhang, Min, 張敏 January 2006 (has links)
published_or_final_version / abstract / Pathology / Doctoral / Doctor of Philosophy
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The role of TRUSS in TNFα-TNFRI signalling : implications for inflammatory lung diseasesLangton, Amy Jean January 2013 (has links)
No description available.
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Loss of protein folding gene expression in human tumorsTan, Ern Yu January 2007 (has links)
No description available.
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Ectopic expression of TAL-1 increases resistance to TNF[alpha]-induced apoptosis in Jurkat cells via changes in the NF-kB signaling pathway / Ectopic expression of T-cell acute lymphoblastic leukemia 1 increases resistance to tumor necrosis factor [alpha]-induced apoptosis in Jurkat cells via changes in the nuclear factor kappa B signaling pathwayLucas, Bethany R. 09 July 2011 (has links)
TAL-1, ectopically expressed in 60% of T-cell acute lymphoblastic leukemia (T-ALL) patients, may contribute to poor chemotherapy response. This research sought to determine if TAL-1 influences expression of proteins involved in the NF-kB signaling pathway and thus, resistance to cell death. NF-kB, IKKy, and TRAF-2 expression levels were found to be TAL-1 dependent. Cell death levels were higher in staurosporine-treated cells compared to tumor necrosis factor a-treated or dual-treated cells. TAL-1, NF-kB, IKKy, and TRAF-2 expression levels were elevated in tumor necrosis factor a-treated cells and reduced in staurosporine-treated or dual treated cells compared to untreated cells. These results suggest TAL-1 influences expression of proteins involved in the NF-kB signaling pathway, thus inducing an anti-apoptotic response in the cell. / Department of Biology
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Tsg-6 : an inducible mediator of paracrine anti-inflammatory and myeloprotective effects of adipose stem cellsXie, Jie 29 January 2014 (has links)
Indiana University-Purdue University Indianapolis (IUPUI). / Tumor necrosis factor-induced protein 6 (TSG-6) has been shown to mitigate inflammation. Its presence in the secretome of adipose stem / stromal cells (ASC) and its role in activities of ASC have been overlooked. This thesis described for the first time the release of TSG-6 from ASC, and its modulation by endothelial cells. It also revealed that protection of endothelial barrier function was a novel mechanism underlying the anti-inflammatory activity of both ASC and TSG-6. Moreover, TSG-6 was found to inhibit mitogen-activated lymphocyte proliferation, extending the understanding of its pleiotropic effects on major cell populations involved in inflammation.
Next, enzyme-linked immunosorbent assays (ELISA) were established to quantify secretion of TSG-6 from human and murine ASC. To study the importance of TSG-6 to specific activities of ASC, TSG-6 was knocked down in human ASC by siRNA. Murine ASC from TSG-6-/- mice were isolated and the down-regulation of TSG-6 was verified by ELISA. The subsequent attempt to determine the efficacy of ASC in ameliorating ischemic limb necrosis and the role of TSG-6, however, was hampered by the highly variable ischemic tissue necrosis in the BALB/c mouse strain.
Afterwards in a mouse model of cigarette smoking (CS), in which inflammation also plays an important role, it was observed, for the first time, that 3-day CS exposure caused an acute functional exhaustion and cell cycle arrest of hematopoietic progenitor cells; and that 7-week CS exposure led to marked depletion of phenotypic bone marrow stem and progenitor cells (HSPC). Moreover, a dynamic crosstalk between human ASC and murine host inflammatory signals was described, and specifically TSG-6 was identified as a necessary and sufficient mediator accounting for the activity of the ASC secretome to ameliorate CS-induced myelotoxicity. These results implicate TSG-6 as a key mediator for activities of ASC in mitigation of inflammation and protection of HSPC from the myelotoxicity of cigarette smoke. They also prompt the notion that ASC and TSG-6 might potentially play therapeutic roles in other scenarios involving myelotoxicity.
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