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Articles
Page 107 of 155
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Citation: Arthritis Research & Therapy 2007 9(Suppl 3):P16
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CXCL13, CCL21 and CXCL12 are upregulated in mucosal-associated lymphoid tissue lymphomas in patients with Sjorgen's syndrome and cooperate in the maintenance of the immune response and malignant cell survival
Citation: Arthritis Research & Therapy 2007 9(Suppl 3):P15 -
Characterization of immunoglobulin mutations in humans with activation-induced cytidine deaminase deficiency
Citation: Arthritis Research & Therapy 2007 9(Suppl 3):P14 -
Arthritis induced by systemic autoimmunity against glucose-6-phosphate isomerase in normal mice
Citation: Arthritis Research & Therapy 2007 9(Suppl 3):P12 -
Tolerogenic dendritic cells differentially modulate naïve and memory CD4+ T cells
Citation: Arthritis Research & Therapy 2007 9(Suppl 3):P10 -
SOX9 transduction of a human chondrocytic cell line identifies novel genes regulated in primary human chondrocytes and in osteoarthritis
The transcription factor SOX9 is important in maintaining the chondrocyte phenotype. To identify novel genes regulated by SOX9 we investigated changes in gene expression by microarray analysis following retrov...
Citation: Arthritis Research & Therapy 2007 9:R107 -
Differential responsiveness to immunoablative therapy in refractory rheumatoid arthritis is associated with level and avidity of anti-cyclic citrullinated protein autoantibodies: a case study
In order to identify pathogenic correlates of refractory rheumatoid arthritis (RA), antibodies against anti-cyclic citrullinated protein (ACPAs) were investigated in RA patients in whom the dysregulated immune...
Citation: Arthritis Research & Therapy 2007 9:R106 -
Src kinase inhibition promotes the chondrocyte phenotype
Regulated differentiation of chondrocytes is essential for both normal skeletal development and maintenance of articular cartilage. The intracellular pathways that control these events are incompletely underst...
Citation: Arthritis Research & Therapy 2007 9:R105 -
Glucosamine affects intracellular signalling through inhibition of mitogen-activated protein kinase phosphorylation in human chondrocytes
The aim of this study was to determine the effects of glucosamine on matrix metalloprotease (MMP) production, on mitogen-activated protein kinase (MAPK) phosphorylation, and on activator protein (AP)-1 transcr...
Citation: Arthritis Research & Therapy 2007 9:R104 -
The impact of infliximab treatment on quality of life in patients with inflammatory rheumatic diseases
In this study, we compare the health-related quality of life (HRQoL) of patients with moderate-to-severe rheumatoid arthritis (RA), psoriatic arthritis (PsA), and ankylosing spondylitis (AS), and study the eff...
Citation: Arthritis Research & Therapy 2007 9:R103 -
Elevated extracellular matrix production and degradation upon bone morphogenetic protein-2 (BMP-2) stimulation point toward a role for BMP-2 in cartilage repair and remodeling
Bone morphogenetic protein-2 (BMP-2) has been proposed as a tool for cartilage repair and as a stimulant of chondrogenesis. In healthy cartilage, BMP-2 is hardly present, whereas it is highly expressed during ...
Citation: Arthritis Research & Therapy 2007 9:R102 -
Immunohistological assessment of the synovial tissue in small joints in rheumatoid arthritis: validation of a minimally invasive ultrasound-guided synovial biopsy procedure
The aim of the present study was to perform an immunohistological assessment of the synovial tissue from involved small joints in rheumatoid arthritis (RA) and to explore the reliability of a mini-invasive ult...
Citation: Arthritis Research & Therapy 2007 9:R101 -
Microarray gene expression profiling of osteoarthritic bone suggests altered bone remodelling, WNT and transforming growth factor-β/bone morphogenic protein signalling
Osteoarthritis (OA) is characterized by alterations to subchondral bone as well as articular cartilage. Changes to bone in OA have also been identified at sites distal to the affected joint, which include incr...
Citation: Arthritis Research & Therapy 2007 9:R100 -
The influence of the NOD Nss1/Idd5 loci on sialadenitis and gene expression in salivary glands of congenic mice
The nonobese diabetic (NOD) Nss1 and Idd5 loci have been associated with sialadenitis development in mice. In this study the NOD Nss1 and Idd5 loci were backcrossed onto the healthy control strain B10.Q by using ...
Citation: Arthritis Research & Therapy 2007 9:R99 -
A case-control study of rheumatoid arthritis identifies an associated single nucleotide polymorphism in the NCF4 gene, supporting a role for the NADPH-oxidase complex in autoimmunity
Rheumatoid arthritis (RA) is a chronic inflammatory disease with a heritability of 60%. Genetic contributions to RA are made by multiple genes, but only a few gene associations have yet been confirmed. By stud...
Citation: Arthritis Research & Therapy 2007 9:R98 -
NF-κB inhibitor dehydroxymethylepoxyquinomicin suppresses osteoclastogenesis and expression of NFATc1 in mouse arthritis without affecting expression of RANKL, osteoprotegerin or macrophage colony-stimulating factor
Inhibition of NF-κB is known to be effective in reducing both inflammation and bone destruction in animal models of arthritis. Our previous study demonstrated that a small cell-permeable NF-κB inhibitor, dehyd...
Citation: Arthritis Research & Therapy 2007 9:R97 -
IL-23 induces human osteoclastogenesis via IL-17 in vitro, and anti-IL-23 antibody attenuates collagen-induced arthritis in rats
This study demonstrates that IL-23 stimulates the differentiation of human osteoclasts from peripheral blood mononuclear cells (PBMC). Furthermore, in vivo blockade of endogenous IL-23 activity by treatment with ...
Citation: Arthritis Research & Therapy 2007 9:R96 -
Serum proteins and paraproteins in women with silicone implants and connective tissue disease: a case–control study
Prior studies have suggested abnormalities of serum proteins, including paraproteins, in women with silicone implants but did not control for the presence of connective-tissue disease (CTD). This retrospective...
Citation: Arthritis Research & Therapy 2007 9:R95 -
Expression and regulation of CCL18 in synovial fluid neutrophils of patients with rheumatoid arthritis
Rheumatoid arthritis (RA) is characterized by the recruitment of leukocytes and the accumulation of inflammatory mediators within the synovial compartment. Release of the chemokine CCL18 has been widely attrib...
Citation: Arthritis Research & Therapy 2007 9:R94 -
Passage and reversal effects on gene expression of bovine meniscal fibrochondrocytes
The knee meniscus contains a mixed population of cells that exhibit fibroblastic as well as chondrocytic characteristics. Tissue engineering studies and future therapies for the meniscus require a large popula...
Citation: Arthritis Research & Therapy 2007 9:R93 -
Insights into spatial configuration of a galactosylated epitope required to trigger arthritogenic T-cell receptors specific for the sugar moiety
The immunodominant epitope of bovine type II collagen (CII256–270) in Aq mice carries a hydroxylysine-264 linked galactose (Gal-Hyl264), the recognition of which is central to the development of collagen-induced ...
Citation: Arthritis Research & Therapy 2007 9:R92 -
Quantitative gait analysis as a method to assess mechanical hyperalgesia modulated by disease-modifying antirheumatoid drugs in the adjuvant-induced arthritic rat
In the present study, azothioprine, chloroquine, D-penicillamine, methotrexate and sodium aurothiomalate (gold salt) were evaluated for possible disease-modifying effects in the adjuvant-induced arthritis mode...
Citation: Arthritis Research & Therapy 2007 9:R91 -
Interrelated modulation of endothelial function in Behcet's disease by clinical activity and corticosteroid treatment
Corticosteroids are commonly used in empirical treatment of Behçet's disease (BD), a systemic inflammatory condition associated with reversible endothelial dysfunction. In the present study we aimed to dissect...
Citation: Arthritis Research & Therapy 2007 9:R90 -
Association of the microsatellite in the 3' untranslated region of the CD154 gene with rheumatoid arthritis in females from a Spanish cohort: a case-control study
CD40–CD154 interaction is an important mediator of inflammation and has been implicated in T helper type 1-mediated autoimmune diseases including rheumatoid arthritis (RA). Linkage studies have shown associati...
Citation: Arthritis Research & Therapy 2007 9:R89 -
Spectrocolorimetric assessment of cartilage plugs after autologous osteochondral grafting: correlations between color indices and histological findings in a rabbit model
We investigated the use of a commercial spectrocolorimeter and the application of two color models (L* a* b* colorimetric system and spectral reflectance distribution) to describe and quantify cartilage plugs ...
Citation: Arthritis Research & Therapy 2007 9:R88 -
Cells of the synovium in rheumatoid arthritis. Dendritic cells
Dendritic cells are the major antigen-presenting and antigen-priming cells of the immune system. We review the antigen-presenting and proinflammatory roles played by dendritic cells in the initiation of rheuma...
Citation: Arthritis Research & Therapy 2007 9:219 -
Skewed distribution of proinflammatory CD4+CD28nullT cells in rheumatoid arthritis
Expanded populations of CD4+ T cells lacking the co-stimulatory molecule CD28 (CD4+CD28null T cells) have been reported in several inflammatory disorders. In rheumatoid arthritis, increased frequencies of CD4+CD2...
Citation: Arthritis Research & Therapy 2007 9:R87 -
Antipolymer antibody in Italian fibromyalgic patients
The objectives of the present study were to evaluate the presence of antipolymer antibody (APA) seropositivity in 285 Italian patients affected by primary fibromyalgia (FM) and to verify whether APA levels cor...
Citation: Arthritis Research & Therapy 2007 9:R86 -
Serum IL-15 in patients with early systemic sclerosis: a potential novel marker of lung disease
The pathogenesis of systemic sclerosis (SSc) is characterized by autoimmunity, vasculopathy and fibrosis. IL-15 is a pleiotropic cytokine that has impact on immune, vascular and connective tissue cells. We the...
Citation: Arthritis Research & Therapy 2007 9:R85 -
Reduced number and impaired function of circulating progenitor cells in patients with systemic lupus erythematosus
Systemic lupus erythematosus (SLE) is associated with premature and accelerated atherosclerosis. Circulating progenitor cells (CPCs) are circulating bone-marrow derived cells that play an important role in the...
Citation: Arthritis Research & Therapy 2007 9:R84 -
Tumour necrosis factor blockade and the risk of osteoporosis: back to the future
Osteoporosis is a common clinical problem, especially in patients with rheumatoid arthritis (RA). A reduction in bone mineral density (BMD) of the axial and appendicular skeleton ranging from 7% to 15% has bee...
Citation: Arthritis Research & Therapy 2007 9:107 -
Interleukin-1 receptor antagonist delivered directly and by gene therapy inhibits matrix degradation in the intact degenerate human intervertebral disc: an in situ zymographic and gene therapy study
Data implicate IL-1 in the altered matrix biology that characterizes human intervertebral disc (IVD) degeneration. In the current study we investigated the enzymic mechanism by which IL-1 induces matrix degrad...
Citation: Arthritis Research & Therapy 2007 9:R83 -
Seroprevalence of parvovirus B19 IgG in children affected by juvenile idiopathic arthritis
Parvovirus (PV) B19 is the causative agent of the childhood disease erythema infectiosum. An association of PV B19 with chronic arthropathies, sometimes resembling rheumatoid arthritis or juvenile idiopathic a...
Citation: Arthritis Research & Therapy 2007 9:R82 -
Activating and inhibitory Fcγ receptors in rheumatoid arthritis: from treatment to targeted therapies
Fcγ receptors (FcγRs) bind the constant Fc region of IgG molecules. IgG/antigen-containing immune complexes elicit a variety of effector functions in cells that express activating FcγRs. Because activating Fcγ...
Citation: Arthritis Research & Therapy 2007 9:106 -
Hand bone loss as an outcome measure in established rheumatoid arthritis: 2-year observational study comparing cortical and total bone loss
The aim of this 2-year longitudinal observational study was to explore hand bone loss as a disease outcome measure in established rheumatoid arthritis (RA).
Citation: Arthritis Research & Therapy 2007 9:R81 -
Taurine chloramine differentially inhibits matrix metalloproteinase 1 and 13 synthesis in interleukin-1β stimulated fibroblast-like synoviocytes
It has been suggested that taurine chloramine (TauCl) plays an important role in the downregulation of proinflammatory mediators. However, little is known about its effect on the expression of matrix metallopr...
Citation: Arthritis Research & Therapy 2007 9:R80 -
Clinical trials and basic research: defining mechanisms and improving treatment in connective tissue disease
Despite advances in elucidating the pathogenic factors responsible for its development, systemic sclerosis remains complex and poorly understood, and treatment options are limited. Multidisciplinary collaborat...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S10 -
Vasculitis: mechanisms involved and clinical manifestations
Systemic vasculitis, an inflammatory necrotizing disease of the blood vessel walls, can occur secondary to autoimmune diseases, including connective tissue diseases. Various pathogenic mechanisms have been imp...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S9 -
Pulmonary hypertension associated with sarcoidosis
Pulmonary involvement is common in sarcoidosis, an immune-mediated inflammatory disorder that is characterized by non-caseating granulomas in tissue. Sarcoid patients with advanced pulmonary disease, especiall...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S8 -
Clinical trials in systemic sclerosis: lessons learned and outcomes
The pathogenesis of systemic sclerosis (SSc) is complex and largely unclear. The clinical heterogeneity of the disease and its progression over a number of years makes the choice of endpoints in the design of ...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S7 -
Therapeutic targets in systemic sclerosis
The precise aetiology of systemic sclerosis (SSc) remains elusive, but significant advances over the past few years have improved our understanding of the underlying pathogenic processes and identified key pat...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S6 -
Genetic factors in systemic sclerosis
A number of genetic loci have been identified that appear to be associated with systemic sclerosis (SSc; scleroderma). There is mounting evidence suggesting that these genetic associations may in fact be assoc...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S5 -
Fibrosis in connective tissue disease: the role of the myofibroblast and fibroblast-epithelial cell interactions
Fibrosis, characterized by excessive extracellular matrix accumulation, is a common feature of many connective tissue diseases, notably scleroderma (systemic sclerosis). Experimental studies suggest that a com...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S4 -
Vasculopathy and disordered angiogenesis in selected rheumatic diseases: rheumatoid arthritis and systemic sclerosis
Angiogenesis is important in the pathogenesis of systemic inflammatory rheumatic diseases, a family of related disorders that includes rheumatoid arthritis and systemic sclerosis. Rheumatoid arthritis is the r...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S3 -
How does endothelial cell injury start? The role of endothelin in systemic sclerosis
A considerable amount of research time has been invested in studies aimed at elucidating pathogenic processes in systemic sclerosis (SSc). Despite this, major challenges for biomedical science remain, such as ...
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S2 -
Systemic sclerosis and related connective tissue diseases: present and future
Citation: Arthritis Research & Therapy 2007 9(Suppl 2):S1 -
Glycosaminoglycan profiles of repair tissue formed following autologous chondrocyte implantation differ from control cartilage
Currently, autologous chondrocyte implantation (ACI) is the most commonly used cell-based therapy for the treatment of isolated femoral condyle lesions of the knee. A small number of centres performing ACI hav...
Citation: Arthritis Research & Therapy 2007 9:R79 -
Heterogeneity of autoantibodies in 100 patients with autoimmune myositis: insights into clinical features and outcomes
The objective of this study was to determine the prevalence, mutual associations, clinical manifestations, and diagnoses associated with serum autoantibodies, as detected using recently available immunoassays,...
Citation: Arthritis Research & Therapy 2007 9:R78 -
Catabolic cytokine expression in degenerate and herniated human intervertebral discs: IL-1β and TNFα expression profile
Low back pain is a common and debilitating disorder. Current evidence implicates intervertebral disc (IVD) degeneration and herniation as major causes, although the pathogenesis is poorly understood. While sev...
Citation: Arthritis Research & Therapy 2007 9:R77 -
Glucosamine prevents in vitro collagen degradation in chondrocytes by inhibiting advanced lipoxidation reactions and protein oxidation
Osteoarthritis (OA) affects a large segment of the aging population and is a major cause of pain and disability. At present, there is no specific treatment available to prevent or retard the cartilage destruct...
Citation: Arthritis Research & Therapy 2007 9:R76