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Arthritis Research & Therapy

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https://www.readbyqxmd.com/read/28446218/increased-galectin-3-may-serve-as-a-serologic-signature-of-pre-rheumatoid-arthritis-while-markers-of-synovitis-and-cartilage-do-not-differ-between-early-undifferentiated-arthritis-subsets
#1
Saida Farah Issa, Anne Duer, Mikkel Østergaard, Kim Hørslev-Petersen, Merete L Hetland, Michael Sejer Hansen, Kirsten Junker, Hanne M Lindegaard, Jakob M Møller, Peter Junker
BACKGROUND: Undifferentiated arthritis (UA) is a label applied to patients with joint complaints which cannot be classified according to current criteria, which implies a need for precision diagnostic technologies. We studied serum galectin-3, a proinflammatory mediator, and seromarkers of structural joint elements in patients with early, UA and their associations with disease profile and biochemical and imaging findings. METHODS: One hundred and eleven UA patients were followed-up for at least 12 months and reclassified according to appropriate criteria (TUDAR)...
April 26, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28446212/doctors-preferences-in-de-escalating-dmards-in-rheumatoid-arthritis-a-discrete-choice-experiment
#2
T Martijn Kuijper, Riëtte Folmer, Elly A Stolk, Johanna M W Hazes, Jolanda J Luime
BACKGROUND: Current guidelines suggest reduction of DMARDs can be considered in RA patients in remission. Objectives were (1) to estimate the relative importance of patient characteristics rheumatologists consider in their decision to de-escalate (2) to assess whether heterogeneity exists among rheumatologists with respect to de-escalation and (3) to identify the preferred de-escalation strategy. METHODS: A discrete choice experiment (DCE) was conducted. All rheumatologists and trainees in The Netherlands were invited to participate...
April 26, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28446208/calgizzarin-s100a11-a-novel-inflammatory-mediator-associated-with-disease-activity-of-rheumatoid-arthritis
#3
Lucie Andrés Cerezo, Barbora Šumová, Klára Prajzlerová, David Veigl, Dres Damgaard, Claus Henrik Nielsen, Karel Pavelka, Jiří Vencovský, Ladislav Šenolt
BACKGROUND: Calgizzarin (S100A11) is a member of the S100 protein family that acts in different tumors by regulating a number of biologic functions. Recent data suggest its association with low-grade inflammation in osteoarthritis (OA). The aim of our study is to compare S100A11 expression in the synovial tissues, synovial fluid and serum of patients with rheumatoid arthritis (RA) and osteoarthritis (OA) and to characterize the potential association between S100A11 and disease activity...
April 26, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28441960/incorporating-assessment-of-the-cervical-facet-joints-in-the-modified-stoke-ankylosing-spondylitis-spine-score-is-of-additional-value-in-the-evaluation-of-spinal-radiographic-outcome-in-ankylosing-spondylitis
#4
Fiona Maas, Suzanne Arends, Elisabeth Brouwer, Hendrika Bootsma, Reinhard Bos, Freke R Wink, Anneke Spoorenberg
BACKGROUND: To aim was to investigate the additional value of incorporating the de Vlam cervical facet joint score in the modified ankylosing spondylitis (AS) spine score (mSASSS) for the evaluation of spinal radiographic outcome in AS. METHOD: Baseline and 4-year radiographs from 98 consecutive patients from the Groningen Leeuwarden AS (GLAS) cohort, who had AS treated with TNF-α inhibitors, were scored by two readers; the vertebral bodies were assessed according to the mSASSS (0-72) and cervical facet joints (C2-C7) were assessed according to the method of de Vlam (0-15)...
April 26, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28399940/baseline-jak-phosphorylation-profile-of-peripheral-blood-leukocytes-studied-by-whole-blood-phosphospecific-flow-cytometry-is-associated-with-1-year-treatment-response-in-early-rheumatoid-arthritis
#5
Krista Kuuliala, Antti Kuuliala, Riitta Koivuniemi, Hannu Kautiainen, Heikki Repo, Marjatta Leirisalo-Repo
BACKGROUND: We found recently that baseline signal transducer and activator of transcription 3 phosphorylation in peripheral blood CD4(+) T cells of patients with early rheumatoid arthritis (RA) is associated with treatment response to synthetic disease-modifying antirheumatic drugs (DMARDs). This prompted us to study the baseline phosphorylation profiles of Janus kinases (JAKs) in blood leukocytes with respect to treatment response in early RA. METHODS: Thirty-five DMARD-naïve patients with early RA provided blood samples for whole blood flow cytometric determination of phosphorylation of JAKs in CD4(+) and CD8(+) T cells, CD19(+) B cells, and CD14(+) monocytes...
April 11, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28399896/glutaminase-1-plays-a-key-role-in-the-cell-growth-of-fibroblast-like-synoviocytes-in-rheumatoid-arthritis
#6
Soshi Takahashi, Jun Saegusa, Sho Sendo, Takaichi Okano, Kengo Akashi, Yasuhiro Irino, Akio Morinobu
BACKGROUND: The recent findings of cancer-specific metabolic changes, including increased glucose and glutamine consumption, have provided new therapeutic targets for consideration. Fibroblast-like synoviocytes (FLS) from rheumatoid arthritis (RA) patients exhibit several tumor cell-like characteristics; however, the role of glucose and glutamine metabolism in the aberrant proliferation of these cells is unclear. Here, we evaluated the role of these metabolic pathways in RA-FLS proliferation and in autoimmune arthritis in SKG mice...
April 11, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28388935/direct-acting-antiviral-agents-in-the-therapy-of-hepatitis-c-virus-related-mixed-cryoglobulinaemia-a-single-centre-experience
#7
Gianfranco Lauletta, Sabino Russi, Fabio Pavone, Angelo Vacca, Franco Dammacco
BACKGROUND: The efficacy and safety of direct-acting antiviral agents (DAAs) were evaluated in a cohort of prospectively enrolled patients with hepatitis C virus (HCV)-related mixed cryoglobulinaemia (MC), an immune complex-mediated vasculitis of small and medium vessels in which the pathogenetic role of HCV has been clearly established. METHODS: Twenty-two patients received DAAs. Clinical and laboratory features were recorded at baseline, every 4 weeks until the end of treatment (EoT), and 12 weeks afterwards...
April 8, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28388956/diagnostic-value-of-a-3-day-course-of-prednisolone-in-patients-with-possible-rheumatoid-arthritis-the-trycort-study
#8
Uta Kiltz, Christine von Zabern, Xenofon Baraliakos, Frank Heldmann, Bernd Mintrop, Michael Sarholz, Dietmar Krause, Friedrich Dybowski, Ludwig Kalthoff, Jürgen Braun
BACKGROUND: In patients with tender and swollen finger joints, the differential diagnosis between rheumatoid arthritis (RA) and osteoarthritis (OA) of the hands can be initially difficult. This prospective study (the TryCort study) was performed to study the diagnostic value of prednisolone in differentiating between RA and hand OA. We present the results of this potentially diagnostic test in patients with possible RA in daily clinical practice by demonstrating the results of a pilot and a validation part of this 'prednisolone test' (pred-test)...
April 7, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28356164/excessive-activation-of-the-tlr9-tgf-%C3%AE-1-pdgf-b-pathway-in-the-peripheral-blood-of-patients-with-systemic-lupus-erythematosus
#9
Yi Yuan, Mingyue Yang, Kuo Wang, Jing Sun, Lili Song, Xue Diao, Zhenyu Jiang, Genhong Cheng, Xiaosong Wang
BACKGROUND: Our aim is to study the existence of the TLR9/TGF-β1/PDGF-B pathway in healthy humans and patients with systemic lupus erythematosus (SLE), and to explore its possible involvement in the pathogenesis of lupus nephritis (LN). METHODS: Protein levels of the cytokines were detected by ELISA. mRNA levels of the cytokines were analyzed by real-time PCR. MTT assay was used to test the proliferation of mesangial cells under different treatments. RESULTS: Compared to healthy controls (N Control = 56), levels of Toll-like receptor (TLR)9, transforming growth factor (TGF)-β1, and platelet-derived growth factor B (PDGF-B) were increased significantly in the peripheral blood of SLE patients (N SLE = 112)...
March 29, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28356155/minimal-disease-activity-and-impact-of-disease-in-psoriatic-arthritis-a-spanish-cross-sectional-multicenter-study
#10
Rubén Queiro, Juan D Cañete, Carlos Montilla, Miguel Abad, María Montoro, Susana Gómez, Ana Cábez
BACKGROUND: Patients with psoriatic arthritis (PsA) experience functional impairment and reduced quality of life, and thus patient global assessment in PsA is explained mainly by the physical, but also by the psychological, aspect of the disease. To assess the prevalence of minimal disease activity (MDA) in Spanish patients with PsA, we examined their characteristics and the association between MDA and the impact of the disease as assessed by the PsA Impact of Disease (PsAID) questionnaire...
March 29, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28356135/dna-methylation-mediates-genotype-and-smoking-interaction-in-the-development-of-anti-citrullinated-peptide-antibody-positive-rheumatoid-arthritis
#11
Weida Meng, Zaihua Zhu, Xia Jiang, Chun Lai Too, Steffen Uebe, Maja Jagodic, Ingrid Kockum, Shahnaz Murad, Luigi Ferrucci, Lars Alfredsson, Hejian Zou, Lars Klareskog, Andrew P Feinberg, Tomas J Ekström, Leonid Padyukov, Yun Liu
BACKGROUND: Multiple factors, including interactions between genetic and environmental risks, are important in susceptibility to rheumatoid arthritis (RA). However, the underlying mechanism is not fully understood. This study was undertaken to evaluate whether DNA methylation can mediate the interaction between genotype and smoking in the development of anti-citrullinated peptide antibody (ACPA)-positive RA. METHODS: We investigated the gene-smoking interactions in DNA methylation using 393 individuals from the Epidemiological Investigation of Rheumatoid Arthritis (EIRA)...
March 29, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28335798/treatment-of-mucocutaneous-manifestations-in-beh%C3%A3-et-s-disease-with-anakinra-a-pilot-open-label-study
#12
Peter C Grayson, Yusuf Yazici, Melissa Merideth, H Nida Sen, Michael Davis, Elaine Novakovich, Elizabeth Joyal, Raphaela Goldbach-Mansky, Cailin H Sibley
BACKGROUND: The effect of IL-1 blocking therapy on mucocutaneous manifestations of Behçet's disease is incompletely understood. METHODS: Six patients with Behçet's disease and ongoing oral/genital ulcers for ≥1 month were enrolled into an adaptive, two-phase clinical trial and included in the analysis. Study duration was 6 months with extension up to 16 months. All were treated non-blinded with anakinra 100 mg subcutaneous daily with the option to escalate the dose to 200 mg in partial responders after 1 month and 300 mg after 6 months...
March 24, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28335797/poor-prognostic-factors-guiding-treatment-decisions-in-rheumatoid-arthritis-patients-a-review-of-data-from-randomized-clinical-trials-and-cohort-studies
#13
REVIEW
Katinka Albrecht, Angela Zink
Prognostic factors are used for treatment decisions in rheumatoid arthritis (RA). High disease activity, the early presence of erosions, and autoantibody positivity are the most frequently used poor prognostic factors but other features, such as functional disability, extraarticular disease, or multibiomarkers, are also assessed. Prognostic factors are incorporated in current treatment recommendations for the management of RA and are used as inclusion criteria in randomized controlled trials. They are defined heterogeneously and the relevance of a single or combined presence of poor prognostic factors remains unclear...
March 23, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28320462/varying-the-item-format-improved-the-range-of-measurement-in-patient-reported-outcome-measures-assessing-physical-function
#14
Gregor Liegl, Barbara Gandek, H Felix Fischer, Jakob B Bjorner, John E Ware, Matthias Rose, James F Fries, Sandra Nolte
BACKGROUND: Physical function (PF) is a core patient-reported outcome domain in clinical trials in rheumatic diseases. Frequently used PF measures have ceiling effects, leading to large sample size requirements and low sensitivity to change. In most of these instruments, the response category that indicates the highest PF level is the statement that one is able to perform a given physical activity without any limitations or difficulty. This study investigates whether using an item format with an extended response scale, allowing respondents to state that the performance of an activity is easy or very easy, increases the range of precise measurement of self-reported PF...
March 21, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28320458/b-cell-epitope-of-human-cytomegalovirus-phosphoprotein-65-hcmv-pp65-induced-anti-dsdna-antibody-in-balb-c-mice
#15
Ao HoHsieh, Chin Man Wang, Yeong-Jian Jan Wu, Albert Chen, Ming-I Chang, Ji-Yih Chen
BACKGROUND: HCMV phosphoprotein 65 (HCMVpp65) is a putative immunogen that acts as an accelerator, inducing autoantibody and exacerbating autoimmune response in susceptible animals. The immunity to pp65336-439 instigates autoimmunity, suggesting that pp65336-439 contains crucial B cell epitope(s) for the development of nephritis. This study narrowed down the target epitope to pp65422-439 for immunization of BALB/c mice and mapping of B cell epitope. METHODS: The target epitope pp65422-439 reactivity and B cell epitope mapping was examined in serum from pp65422-439-immunized mice and patients with systemic lupus erythematosus (SLE)...
March 21, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28320444/ox40-signaling-is-involved-in-the-autoactivation-of-cd4-cd28-t-cells-and-contributes-to-the-pathogenesis-of-autoimmune-arthritis
#16
Juean Jiang, Cuiping Liu, Mi Liu, Yu Shen, Xiaohan Hu, Qin Wang, Jian Wu, Min Wu, Qi Fang, Xueguang Zhang
BACKGROUND: CD4(+)CD28(-) T cells exhibit autoreactive potential in autoimmune disorders, including rheumatoid arthritis (RA). It is not well known which costimulator functions as an alternative second signal in the activation of this subset after CD28 expression is downregulated. Tumor necrosis factor receptor superfamily member OX40 is a key costimulator in the activation of T cells. The aim of this study was to investigate the costimulatory effects of OX40 on CD4(+)CD28(-) T cells in autoimmune arthritis...
March 21, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28320477/risk-prediction-model-for-knee-pain-in-the-nottingham-community-a-bayesian-modelling-approach
#17
G S Fernandes, A Bhattacharya, D F McWilliams, S L Ingham, M Doherty, W Zhang
BACKGROUND: Twenty-five percent of the British population over the age of 50 years experiences knee pain. Knee pain can limit physical ability and cause distress and bears significant socioeconomic costs. The objectives of this study were to develop and validate the first risk prediction model for incident knee pain in the Nottingham community and validate this internally within the Nottingham cohort and externally within the Osteoarthritis Initiative (OAI) cohort. METHODS: A total of 1822 participants from the Nottingham community who were at risk for knee pain were followed for 12 years...
March 20, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28320472/increased-serum-levels-of-fractalkine-and-mobilisation-of-cd34-cd45-endothelial-progenitor-cells-in-systemic-sclerosis
#18
Audrey Benyamine, Jérémy Magalon, Sylvie Cointe, Romaric Lacroix, Laurent Arnaud, Nathalie Bardin, Pascal Rossi, Yves Francès, Fanny Bernard-Guervilly, Gilles Kaplanski, Jean-Robert Harlé, Pierre-Jean Weiller, Philippe Berbis, David Braunstein, Elisabeth Jouve, Nathalie Lesavre, Françoise Couranjou, Françoise Dignat-George, Florence Sabatier, Pascale Paul, Brigitte Granel
BACKGROUND: The disruption of endothelial homeostasis is a major determinant in the pathogenesis of systemic sclerosis (SSc) and is reflected by soluble and cellular markers of activation, injury and repair. We aimed to provide a combined assessment of endothelial markers to delineate specific profiles associated with SSc disease and its severity. METHODS: We conducted an observational, single-centre study comprising 45 patients with SSc and 41 healthy control subjects...
March 20, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28320454/mitigation-of-disease-and-treatment-related-risks-in-patients-with-psoriatic-arthritis
#19
REVIEW
Martin Bergman, Amy Lundholm
Psoriatic arthritis is a part of the family of diseases referred to as spondyloarthropathies, a diverse group of chronic inflammatory disorders with common clinical, radiographic, and genetic features. Peripheral arthritis is the most common symptom of psoriatic arthritis and patients also frequently experience involvement of the entheses, spine, skin, and nails. Due to the diverse clinical spectrum of disease severity, tissues affected, and associated comorbidities, the treatment of psoriatic arthritis can be challenging and it is necessary to mitigate risks associated with both the disease and its treatment...
March 20, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28320447/subclinical-dermal-involvement-is-detectable-by-high-frequency-ultrasound-even-in-patients-with-limited-cutaneous-systemic-sclerosis
#20
A Sulli, B Ruaro, V Smith, S Paolino, C Pizzorni, G Pesce, M Cutolo
BACKGROUND: The aim of the study was to detect by skin high-frequency ultrasound (US) possible subclinical skin involvement in patients affected by limited cutaneous systemic sclerosis (lcSSc), in those skin areas apparently not affected by the disease on the basis of a normal modified Rodnan skin score (mRSS). Differences in dermal thickness (DT) in comparison with healthy subjects were investigated. METHODS: Fifty patients with lcSSc (age 62 ± 13 years (mean ± SD), disease duration 5 ± 5 years) and 50 sex-matched and age-matched healthy subjects (age 62 ± 11 years) were enrolled...
March 20, 2017: Arthritis Research & Therapy
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