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- Antigen-specific treatment (1)
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Articles 1 - 5 of 5
Full-Text Articles in Immune System Diseases
Role Of Circular Rna Asph In Macrophage Polarization And Response In Sepsis, Tan Ze Wang
Role Of Circular Rna Asph In Macrophage Polarization And Response In Sepsis, Tan Ze Wang
Electronic Thesis and Dissertation Repository
Circular RNAs (circRNAs), a novel non-coding RNA species generated by back-splicing, has been shown to participate in gene regulation of leukocytes. Our previous RNA sequencing results show circular RNA ASPH (circASPH) to be highly expressed in peripheral blood mononuclear cells of sepsis patients at the start of intensive care. Macrophages, as ubiquitous innate immune cells, are responsible for the recruitment of other immune cells at sepsis onset. This work investigates the role of circASPH in the regulation of macrophage polarization in sepsis. Using an in vitro THP-1 cell model, it was found that circASPH levels peaked after 24 h of …
Testing A Novel Peptide-Infused Cream For Treatment Of Rheumatoid Arthritis In Dr4tg Mice, Alisha J. Moynahan
Testing A Novel Peptide-Infused Cream For Treatment Of Rheumatoid Arthritis In Dr4tg Mice, Alisha J. Moynahan
Electronic Thesis and Dissertation Repository
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease that causes joint pain and damage. Studies have shown that inducing immune tolerance towards RA-specific proteins/peptides in RA mouse models can reduce arthritis severity and pro-inflammatory responses. The objectives of this study were to determine if a novel peptide cream treatment could modify RA-specific immune responses and reduce joint swelling in a humanized mouse model expressing the HLA-DRB1*0401 allele (known as DR4tg mice), the strongest genetic risk-factor for RA. Hyaluronan-Phosphatidylethanolamine cream infused with synthetic peptides HomoCitJED and CitJED was applied to HomoCitJED-immunized DR4tg mice before or after arthritis induction. Knee joint …
Granulocyte Colony-Stimulating Factor: Its Role In Gut-Homing Macrophage Generation And Colitis, And Production By Probiotics, Shahab Meshkibaf
Granulocyte Colony-Stimulating Factor: Its Role In Gut-Homing Macrophage Generation And Colitis, And Production By Probiotics, Shahab Meshkibaf
Electronic Thesis and Dissertation Repository
The pleiotropic cytokine granulocyte-colony stimulatory factor (G-CSF) is mainly required for the generation of neutrophils, but its role in macrophage generation has also been reported. In addition, G-CSF is effective for the down-regulation of inflammatory cytokines and ameliorating gut disorders, such as colitis. However, the G-CSF function in macrophage generation and gut immunity remains unclear. The first focus of this thesis was to assess the role of G-CSF in macrophage generation and its contribution to gut immunity. G-CSF was found to promote the generation of Gr-1high/F4/80+ macrophages in macrophage (M)-CSF-treated bone marrow cells, most likely through suppressing cell death. Gr-1high …
Cell Death Regulates Injury And Inflammation During Renal Allograft Transplantation, Arthur Lau
Cell Death Regulates Injury And Inflammation During Renal Allograft Transplantation, Arthur Lau
Electronic Thesis and Dissertation Repository
Renal transplantation invariably results in tissue injury resulting from ischemia reperfusion injury (IRI), inflammation, drug toxicity, and rejection. Tubular epithelial cells (TEC) comprise the majority of renal parenchyma and are susceptible to cell death and injury during diverse forms of inflammation, which has direct and indirect effects on long term allograft function. Renal TEC have the unique ability to attenuate inflammation and alloimmune injury through the expression of various mediators of cell death and inflammatory molecules. Inhibition of cell death pathways in renal allografts may influence outcomes of alloimmune responses and graft survival. In this body of investigation, alteration of …
The Role Of Il-22 Produced By Th17 Cells In Type 1 Diabetes, Stacey M. Bellemore
The Role Of Il-22 Produced By Th17 Cells In Type 1 Diabetes, Stacey M. Bellemore
Electronic Thesis and Dissertation Repository
Interleukin-22 (IL-22) is produced by T helper 17 (Th17) cells. Th17 cells have been shown to be pathogenic in autoimmune diseases, however their role in type 1 diabetes (T1D) remains controversial. We have shown that Th17-differentiation of naïve T cells can be driven by IL-23 + IL-6 to produce large amounts of IL-22 and induce T1D. Conversely, polarizing T cells using TGF-β + IL-6 led to nonpathogenic Th17 cells that produced lower IL-22 levels. We have shown that neutralizing IFN-γ during polarization leads to a drastic increase in IL-22. We have also found IL-22-producing cells in the pancreas of diabetic …