Abstract Number: 52 • 2018 ACR/ARHP Annual Meeting
Interferon-Alpha Protects Against Pain and Joint Damages in Experimental Arthritis and Is Associated with Expansion of Highly Suppressive Regulatory T Lymphocytes in Protected Mice and in Tocilizumab-Treated Rheumatoid Arthritis Patients
Background/Purpose: Type I interferons (IFN-I) can be both anti- and pro-inflammatory. Among them, IFN-α inhibits normal Th17 differentiation, whereas it is pathogenic in lupus. The…Abstract Number: 1823 • 2018 ACR/ARHP Annual Meeting
Loss of Synovial Tissue Resident Macrophages Permits Monocyte to Macrophage Differentiation and Inflammation in Hupo Mice
Background/Purpose: We established a mouse model (HUPO) by deletion of Flip in CD11c+ cells that spontaneously develops erosive inflammatory arthritis resembling rheumatoid arthritis (RA). Since…Abstract Number: 54 • 2018 ACR/ARHP Annual Meeting
In a Macaque Model of RA By Immunization with Citrullinated Peptides, the Valine in the 11 Position of the DRB1 Molecule Has Greater Impacts on T-Cell Response to Citrullinated Peptides Than the 70-74 Position in the Shared Epitope
Background/Purpose: Among genetic risk factors of RA, HLA class II molecules confers the highest risk of ACPA positive RA. The shared epitope (SE) hypothesis that…Abstract Number: 1825 • 2018 ACR/ARHP Annual Meeting
Rheumatoid Arthritis Associated Haploinsufficiency in PTPN2 Enhances Severity of IL-17 Mediated Autoimmune Arthritis
Background/Purpose: Genetic polymorphisms at the PTPN2 locus, which encodes the tyrosine phosphatase TC-PTP, cause reduced gene expression and are linked to rheumatoid arthritis (RA). PTPN2…Abstract Number: 55 • 2018 ACR/ARHP Annual Meeting
Adipose Derived Stem Cell Suppressed Synovial Inflammation and Repaired Cartilage Destruction in Rheumatoid Arthritis Model Mice
Background/Purpose: Adipose derived stem cell (ADSC) is one of the stem cells produced by adipose tissue which can be collected easily and in large quantities.…Abstract Number: 1826 • 2018 ACR/ARHP Annual Meeting
From Cancer to Autoimmunity : A New Model of Rheumatoid Arthritis Emerging from a Constitutional Genetic Approach Used in Low Penetrance Cancers
Background/Purpose: High-speed technologies for genome sequencing have completely changed the study of disease genetics, but with limited knowledge of the functional value of most genetic…Abstract Number: 63 • 2018 ACR/ARHP Annual Meeting
TNF-α Blockade Incompletely Reverses Inflammatory Pulmonary Pathology in the TNF-Transgenic Mouse Model of Rheumatoid Arthritis
Background/Purpose: Interstitial lung disease (ILD) is a significant contributor to rheumatoid arthritis (RA) mortality, yet its pathogenesis remains enigmatic. One theory posits that initial inflammatory…Abstract Number: 1893 • 2018 ACR/ARHP Annual Meeting
Indoleamine-2,3-Dioxygenase in Murine and Human Systemic Lupus Erythematosus
Background/Purpose: Indoleamine-2,3-dioxygenase (IDO) is a tryptophan catabolizing enzyme which plays a role in immune regulation and in the pathogenesis of autoimmune disorders. Increased IDO activity…Abstract Number: 144 • 2018 ACR/ARHP Annual Meeting
Small Molecule Inhibitor of Bcl-6 Reduces the Tfh Population in Peripheral Blood, Splenic Germinal Center and Ankle Joints in a Collagen-Induced Arthritis Mouse Model of RA
Background/Purpose: Rheumatoid arthritis (RA) is a common autoimmune disease characterized by chronic joint inflammation, synovial hyperplasia and progressive destruction of cartilage and bone. T follicular…Abstract Number: 1952 • 2018 ACR/ARHP Annual Meeting
Experimental Tendinopathy Treatment with SM04755, a Topical Small Molecule Inhibitor of the Wnt Pathway
Background/Purpose: Tendinopathy is an inflammatory and degenerative disorder caused by injuries and overuse. The Wnt pathway is upregulated in chronic tendinopathy and involved in inflammation,…Abstract Number: 500 • 2018 ACR/ARHP Annual Meeting
Impact of Inflammation and Biologic Treatments on Generation and Progression to Advanced Calcified Coronary Plaques in Rheumatoid Arthritis
Background/Purpose: In early atherogenesis inflammation drives and co-localizes with intimal calcification. In chronic, advanced plaques inflammation and calcification are inversely correlated and spatially distinct; advanced…Abstract Number: 1994 • 2018 ACR/ARHP Annual Meeting
Osteoarthritis Severity Is Reduced By Intra-Articular Administration of Hydrogen Sulfide
Background/Purpose: Hydrogen sulphide (H2S) is recognized as a therapeutic target in osteoarthritis (OA). Exogenous supplementation with synthetic salts in in vitro models of OA has…Abstract Number: 840 • 2018 ACR/ARHP Annual Meeting
The CCL21/CCR7 Axis Drives Vascular, Inflammatory and Destructive Remodeling in Rheumatoid Arthritis
Background/Purpose: The synovial tissue of rheumatoid arthritis (RA) patients exhibits abundant expression of CCL21, produced excessively by RA fibroblasts and macrophages. While CCR7 mediates CCL21-driven…Abstract Number: 2059 • 2018 ACR/ARHP Annual Meeting
Inhibition of the Transcription Factor That Drives IL-17 Expression Suppresses Inflammation, Joint Damage, and New Bone Formation in Experimental Spondyloarthritis in HLA-B27 Transgenic Rats
Background/Purpose: The IL-17 axis has been identified as a central pathway in SpA pathogenesis. Targeting this axis in AS and PsA significantly suppresses inflammation and…Abstract Number: 845 • 2018 ACR/ARHP Annual Meeting
New Insights in Lupus Dermatitis: Differential Regulation and Roles of Tissue-Resident Dendritic Cell Subsets in the Pathogenesis of Autoimmune Skin Inflammation
Background/Purpose: Acquired or self antigens in tissues are taken to lymphoid organs to elicit protective immunity or tolerance, respectively. This is accomplished by dendritic cells…
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