Abstract Number: 609 • 2014 ACR/ARHP Annual Meeting
Induced Pluripotent Stem Cells (iPSCs) As a Tool for Unraveling the Role of Different Cell Types in the Disease Process of Spondyloarthritis Pathogenesis
Background/Purpose: Many genetic factors and cell types contribute to the axial inflammation, trabecular bone loss, and aberrant bone formation that result in ankylosing spondylitis. The…Abstract Number: 608 • 2014 ACR/ARHP Annual Meeting
Identification of Novel Autoantibodies in Patients with Ankylosing Spondylitis Using Human Protein Microarray
Background/Purpose: Ankylosing spondylitis (AS) is an immune-mediated disease for which the search for autoantibodies has been elusive. Conventional immunoserological approaches are slow and limited…Abstract Number: 607 • 2014 ACR/ARHP Annual Meeting
The HLA-B27 Peptidome in Vivo in Transgenic Rats
Background/Purpose . In all current hypotheses for the association of B27 with SpA, the B27 peptide repertoire (peptidome) is likely to play a key role.…Abstract Number: 605 • 2014 ACR/ARHP Annual Meeting
Decreased Frequencies of Circulating Follicular Helper T Cell Counterparts and Plasmablasts in Ankylosing Spondylitis Patients Naïve for TNF Blockers
Background/Purpose: Follicular helper T cells (Tfh), localized in lymphoid organs, promote B cell differentiation and function. Circulating CD4 T cells expressing CXCR5, ICOS and/or PD-1…Abstract Number: 604 • 2014 ACR/ARHP Annual Meeting
Characterisation of Mucosal-Associated Invariant T (MAIT) Cells in Ankylosing Spondylitis Patients
Background/Purpose: Ankylosing spondylitis (AS) is chronic inflammatory disease of unknown origin. Studies into the molecular basis of AS have demonstrated exaggerated innate and adaptive immune…Abstract Number: 603 • 2014 ACR/ARHP Annual Meeting
Periostin May Have a Role in Ankylosing Spondylitis and It Is Associated with Wnt Signalling Pathway Regulators
Background/Purpose: Ankylosing spondylitis (AS) is a chronic rheumatic disease characterized by sacroiliac and spinal inflammationand new bone formation (syndesmophyte). Molecular mechanisms underlying this process have…Abstract Number: 602 • 2014 ACR/ARHP Annual Meeting
A Phase 3, Randomized, Controlled Trial of Apremilast, an Oral Phosphodiesterase 4 Inhibitor, for Treatment of Psoriatic Arthritis: Long-Term (52-Week) Improvements in Physical Function
Background/Purpose: Apremilast (APR) is a phosphodiesterase 4 inhibitor that helps regulate the immune response that causes inflammation and skin disease associated with psoriatic arthritis (PsA).…Abstract Number: 601 • 2014 ACR/ARHP Annual Meeting
Combined Hip Abduction Angle Measured By Using Iphone Compass Application; A Novel Measurement Tool to Asses Hip Mobility
Background/Purpose Intermalleolar distance (IMD) is a component of the Bath ankylosing spondylitis metrology index (BASMI) and measures abduction of the hips. New generations of smartphones…Abstract Number: 600 • 2014 ACR/ARHP Annual Meeting
Differing Patterns of Axial Spondyloarthritis in Females and Males
Background/Purpose: Sex effects have been noted in axial spondyloarthritis (AS) however controversy still exists regarding male and female clinical manifestations of AS. This includes uncertainty…Abstract Number: 618 • 2014 ACR/ARHP Annual Meeting
A Gender Bias in Gut Microbiota of SKG Mice Colonized with a Limited Bacterial Consortium Associated with Severity of Spondyloarthritis and Ileitis Triggered By Beta-Glucan
Background/Purpose Beta-glucan (curdlan)-treated BALB/c ZAP-70W163C(SKG) mutant mice develop IL-23-dependent spondyloarthritis, and curdlan promotes ileitis in SKG mice housed under specific pathogen-free (SPF) but not germ-free…Abstract Number: 619 • 2014 ACR/ARHP Annual Meeting
Effect of ERAP1 Knockdown on Conformation of HLA-B27 and Other HLA Class I Molecules in Human Monocytic Cells
Background/Purpose Polymorphisms in endoplasmic reticulum (ER) aminopeptidase 1 (ERAP1) are associated with ankylosing spondylitis, Behcet’s disease, and psoriasis/psoriatic arthritis, where HLA class I alleles are…Abstract Number: 617 • 2014 ACR/ARHP Annual Meeting
Shared HLA Class I and II Alleles in Susceptibility to Ankylosing Spondylitis Among Three Ethnic Groups
Background/Purpose : The purpose of this study is to examine associations of HLA class I and class II alleles with AS in different patients populations of…Abstract Number: 606 • 2014 ACR/ARHP Annual Meeting
The Immunological Basis of the Sex-Bias in Ankylosing Spondylitis: Th17 Expansion Is Restricted to Male Patients and Correlates with Sex-Related Alteration in Vitamin D Metabolism
Background/Purpose : Ankylosing spondylitis (AS) is an inflammatory arthritis of the spine, which has a major impact on function and quality of life. AS is…Abstract Number: 597 • 2014 ACR/ARHP Annual Meeting
Inflammatory Burden in Recent-Onset Axial Spondyloarthritis
Background/Purpose Patients with Non-Radiographic Axial Spondylarthritis (non-Rx AxSpA) don't presnt with different clinical manifestations than patients with Ankilosing Spondylitis (AS), although the inflammatory burden measured…Abstract Number: 596 • 2014 ACR/ARHP Annual Meeting
Clinical Value of ASDAS Index in Spanish Patients with Ankylosing Spondylitis
Background/Purpose The ASDAS (ankylosing spondylitis disease activity score) was developed to overcome some of the deficiencies of BASDAI (Bath Ankylosing Disease Activity Spondyltis Index). In…