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Reactive arthritis

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https://www.readbyqxmd.com/read/29148420/the-expression-of-mrna-for-peptidylarginine-deiminase-type-2-and-type-4-in-bone-marrow-cd34-cells-in-rheumatoid-arthritis
#1
Tatsuo Nagai, Yu Matsueda, Tetsuya Tomita, Hideki Yoshikawa, Shunsei Hirohata
OBJECTIVES: Antibodies directed to citrullinated proteins are highly specific for rheumatoid arthritis (RA). Citrullination is catalyzed by peptidylarginine deiminase (PAD) enzymes. The current study examined the mRNA expression of PADI2 and PADI4 in bone marrow (BM) CD34+ cells from RA patients. METHODS: CD34+ cells were purified from BM samples obtained from 48 RA patients and from 30 osteoarthritis (OA) patients during joint operations via aspiration from the iliac crest...
November 14, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29146743/testing-treat-to-target-outcomes-with-initial-methotrexate-monotherapy-compared-with-initial-tumour-necrosis-factor-inhibitor-adalimumab-plus-methotrexate-in-early-rheumatoid-arthritis
#2
Arthur Kavanaugh, Ronald van Vollenhoven, Roy M Fleischmann, Paul Emery, Iain Sainsbury, Stefan Florentinus, Su Chen, Benoît Guérette, Hartmut Kupper, Josef S Smolen
OBJECTIVES: To compare responses in patients with early rheumatoid arthritis (RA) initially treated with the tumour necrosis factor inhibitor (TNFi) adalimumab+methotrexate (MTX) versus MTX monotherapy who may have continued receiving MTX or switched to adalimumab rescue therapy after inadequate response to MTX. METHODS: OPTIMA enrolled MTX-naive patients with active RA for <1 year. This post hoc analysis determined the proportion of patients, stratified by initial treatment, who achieved28-joint modified Disease Activity Score based on C reactive protein <3...
November 16, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29145701/tnf-antagonists-killing-two-birds-with-one-biologic-stone
#3
EDITORIAL
Joan M Bathon, Jon T Giles, Daniel H Solomon
Forty years have passed since it was first recognized that patients with autoimmune rheumatic disease have an increased risk of fatal and non-fatal cardiovascular (CV) events (1) Although initial reports focused on rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE), similar findings were verified subsequently in patients with psoriasis (Ps) and/or psoriatic arthritis (PsA) and spondyloarthritis. An early feature of the atherosclerotic lesion is infiltration with inflammatory cells, particularly monocytes/macrophages, and the presence of these cells in mature plaque elevates the risk of plaque rupture and thrombosis (2)...
November 16, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29142196/dj-1-controls-bone-homeostasis-through-the-regulation-of-osteoclast-differentiation
#4
Hyuk Soon Kim, Seung Taek Nam, Se Hwan Mun, Sun-Kyeong Lee, Hyun Woo Kim, Young Hwan Park, Bokyung Kim, Kyung-Jong Won, Hae-Rim Kim, Yeong-Min Park, Hyung Sik Kim, Michael A Beaven, Young Mi Kim, Wahn Soo Choi
Receptor activator of NF-kB ligand (RANKL) generates intracellular reactive oxygen species (ROS), which increase RANKL-mediated signaling in osteoclast (OC) precursor bone marrow macrophages (BMMs). Here we show that a ROS scavenging protein DJ-1 negatively regulates RANKL-driven OC differentiation, also called osteoclastogenesis. DJ-1 ablation in mice leads to a decreased bone volume and an increase in OC numbers. In vitro, the activation of RANK-dependent signals is enhanced in DJ-1-deficient BMMs as compared to wild-type BMMs...
November 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/29142035/the-sex-influence-on-response-to-tumor-necrosis-factor-%C3%AE-inhibitors-and-remission-in-axial-spondyloarthritis
#5
Ennio Lubrano, Fabio Massimo Perrotta, Maria Manara, Salvatore D'Angelo, Olga Addimanda, Roberta Ramonda, Leonardo Punzi, Ignazio Olivieri, Carlo Salvarani, Antonio Marchesoni
OBJECTIVE: The aim of this study was to evaluate the influence of sex on response to treatment and disease remission in patients with axial spondyloarthritis (axSpA). METHODS: In this retrospective multicenter study, patients with axSpA, according to the Assessment of Spondyloarthritis international Society (ASAS) criteria for axSpA, and treated with adalimumab, etanercept, golimumab, or infliximab, were studied. We compared clinical characteristics, patient-reported outcomes, disease activity, function, and response to treatment in male and female patients with this disease...
November 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29141313/-tocilizumab-for-refractory-systemic-juvenile-idiopathic-arthritis
#6
J M Lai, F Q Wu, Z X Zhou, M Kang, X L Huang, G X Su, S N Li, J Zhu, X N Wang
Objective: To evaluate the efficacy and side effects of tocilizumab for the treatment of systemic juvenile idiopathic arthritis. Method: In this prospective self case-control study, the children diagnosed with refractory systemic juvenile idiopathic arthritis admitted to Department of Rheumatism and Immunology of Children's Hospital Affiliated to Capital Institute of Pediatrics from December 2013 to June 2016 were enrolled and information before and after treatment of tocilizumab was analyzed. The tocilizumab was introvenously guttae in a dose of 8-12 mg/kg every 2 weeks...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29139030/potential-risk-factors-for-reactive-arthritis-and-persistence-of-symptoms-at-2%C3%A2-years-a-case-control-study-with-longitudinal-follow-up
#7
Helga Raquel Garcia Ferrer, Alexander Azan, Isa Iraheta, Joan Von Feldt, Luis R Espinoza, Julia Manasson, Jose U Scher, Abraham Garcia Kutzbach, Alexis Ogdie
The objective of the study is to determine the risk factors for the development of reactive arthritis (ReA) and examine the factors associated with the persistence of symptoms. Patients with a new diagnosis of ReA and controls with a gastrointestinal (GI), urogenital, or sexually transmitted infection in the 3-6 months prior to study entry were prospectively enrolled in Guatemala City. ReA patients fulfilled the Assessment in Spondyloarthritis International Society criteria for peripheral spondyloarthropathy (SpA)...
November 14, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29136727/-the-459th-case-arthralgia-fever-rash-and-thrombocytopenia
#8
J Z Shen, Y Wang, M Y Fang
The differential diagnoses of reactive arthritis presenting as arthralgia should be considered as diverse disorders, especially when the symptoms cannot be fully explained by some definite diseases. Do not ignore the indication of bone marrow aspiration. We reported a 50-year-old woman who complained of arthralgia, recurrent fever and rash 9 months ago. Laboratory exams showed mild leukopenia, anemia, thrombocytopenia and increased lymphocyte proportion. She was treated with glucocorticoid after the diagnosis of connective tissue disease was suspected...
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29135969/hla-b27-correlates-with-the-intracellular-elimination-replication-and-trafficking-of-salmonella-enteritidis-collected-from-reactive-arthritis-patients
#9
Yi Zhao, Honghu Tang, Chunyu Tan, Hua Zhao, Yi Liu
BACKGROUND The aim of this study was to explore the correlation between HLA-B27 and the intracellular elimination, replication, and trafficking of Salmonella enteritidis (S. enteritidis) collected from patients with reactive arthritis. MATERIAL AND METHODS Confocal microscopy, flow cytometry, and sandwich enzyme-linked immunosorbent assay (ELISA) were employed in this study to evaluate the localization of proteins of interest, to assess the intracellular trafficking of S. enteritidis, and to measure the production of cytokines of interest...
November 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29131037/paradoxical-reactions-anti-tumor-necrosis-factor-alpha-agents-ustekinumab-secukinumab-ixekizumab-and-others
#10
Lluís Puig
Paradoxical reactions during treatment with a biologic agent can be defined as the appearance or exacerbation of a pathological condition that usually responds to this class of drug while treating a patient for another condition, which usually remains under control (even though there may be a change in morphology or phenotype). Paradoxical reactions were initially described as isolated case reports or case series in patients treated with anti-tumor necrosis factor (TNF) α agents, first in inflammatory rheumatic diseases, later in psoriasis and inflammatory bowel disease...
2018: Current Problems in Dermatology
https://www.readbyqxmd.com/read/29128424/the-use-of-synthetic-peptides-for-detection-of-anti-citrullinated-protein-antibodies-in-rheumatoid-arthritis
#11
Nicole Hartwig Trier, Bettina Eide Holm, Julie Heiden, Ole Slot, Henning Locht, Bente Jensen, Hanne Lindegaard, Anders Svendsen, Christoffer Tandrup Nielsen, Søren Jacobsen, Elke Theander, Gunnar Houen
Rheumatoid arthritis (RA) is an autoimmune disease of unknown etiology. A characteristic feature of RA is the presence of anti-citrullinated protein antibodies (ACPA). Since ACPAs are highly specific for RA and are often present before the onset of RA symptoms, they have become valuable diagnostic and prognostic. As a result, several assays for detection of ACPAs exist, which vary in sensitivity and specificity. In this study, we analyzed the reactivity of RA sera to selected peptides by solid-phase immunoassays in order to develop an ACPA assay with improved sensitivity and specificity...
November 8, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/29127146/cutting-edge-processing-of-oxidized-peptides-in-macrophages-regulates-t-cell-activation-and-development-of-autoimmune-arthritis
#12
Min Yang, Claus Haase, Johan Viljanen, Bingze Xu, Changrong Ge, Jan Kihlberg, Rikard Holmdahl
APCs are known to produce NADPH oxidase (NOX) 2-derived reactive oxygen species; however, whether and how NOX2-mediated oxidation affects redox-sensitive immunogenic peptides remains elusive. In this study, we investigated a major immunogenic peptide in glucose-6-phosphate isomerase (G6PI), a potential autoantigen in rheumatoid arthritis, which can form internal disulfide bonds. Ag presentation assays showed that presentation of this G6PI peptide was more efficient in NOX2-deficient (Ncf1(m1J/m1J) mutant) mice, compared with wild-type controls...
November 10, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29122658/endothelium-derived-contraction-in-a-model-of-rheumatoid-arthritis-is-mediated-via-angiotensin-ii-type-1-receptors
#13
Kayleigh Hamilton, Lynette Dunning, William R Ferrell, John C Lockhart, Andrew MacKenzie
A role for endothelium-derived constricting factors (EDCF), and the angiotensin II type 1 receptor (AT1R) pathway, in the vascular impairment found in the rat Freund's complete adjuvant (FCA)-model of rheumatoid arthritis (RA) was examined. FCA arthritis was induced in rats±losartan. Vehicle-treated rats served as controls. Knee-joint swelling and red blood cell (RBC) aggregation were measured as indicators of inflammation and endothelium reactivity assessed by response to acetylcholine (ACh) on aortic rings...
November 6, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/29115078/elderly-patients-exhibit-stronger-inflammatory-responses-during-gout-attacks
#14
Jae Hyun Lee, Ji Ae Yang, Kichul Shin, Ga Hye Lee, Won Woo Lee, Eun Young Lee, Yeong Wook Song, Eun Bong Lee, Jin Kyun Park
Gout attacks are often accompanied by systemic inflammatory response. The aim of the retrospective study was to compare gout patients in different age groups in terms of their clinical features at gout attacks. Patients, who were treated for gout attack in two tertiary medical centers between January 2000 and April 2014, were divided into young (≤ 50 years), middle-aged, and elderly (> 65 years) groups. Patients in three age groups were compared in terms of presence of fever (> 37.8°C), C-reactive protein (CRP) levels, and erythrocyte sedimentation ratio (ESR) at the gout attacks...
December 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29114491/reactive-arthritis-associated-with-strongyloides-stercoralis-report-of-an-uncommon-relation
#15
Srujana Mohanty, Madhusudan Samprathi, Sucheta Parija
No abstract text is available yet for this article.
July 2017: Tropical Parasitology
https://www.readbyqxmd.com/read/29105312/acute-effect-of-a-resistance-exercise-session-on-markers-of-cartilage-breakdown-and-inflammation-in-women-with-rheumatoid-arthritis
#16
Ana Carolina Pereira Nunes Pinto, Jamil Natour, Charlles Heldan de Moura Castro, Marina Eloi, Império Lombardi Junior
AIM: To assess the acute effect of resistance exercise (RE) on circulating biomarkers of cartilage breakdown and inflammation in women with rheumatoid arthritis (RA). METHODS: Thirty-four volunteers (17 with and 17 without RA), participated in a 25 min RE session (knee extension, knee flexion, hip abduction and hip adduction) with one set of 12 repetitions at 50% of one repetition maximum (1RM) and one set of eight repetitions at 75% of 1RM. Blood samples were collected 30 and 5 min before, immediately after and 1, 2 and 24 h after the session...
November 3, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29104039/increased-levels-of-interleukin-22-in-thoracic-aorta-and-plasma-from-patients-with-acute-thoracic-aortic-dissection
#17
Jing Ye, Menglong Wang, Huimin Jiang, Qingwei Ji, Ying Huang, Jianfang Liu, Tao Zeng, Yao Xu, Zhen Wang, Yingzhong Lin, Jun Wan
BACKGROUND: Interleukin (IL)-22 plays important roles in the development of arterial disease, including atherosclerosis and hypertension. However, the relationship between IL-22 and acute thoracic aortic dissection (TAD) remains unknown. METHODS: Blood samples were collected from patients with chest pain who underwent computed tomography angiography of the thoracic aorta but had no known preoperative diagnosis of coronary artery disease, peripheral artery disease, arthritis, and/or membranous nephropathy...
November 3, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29101675/red-blood-cell-distribution-width-a-potential-laboratory-parameter-for-monitoring-inflammation-in-rheumatoid-arthritis
#18
Yujue He, Can Liu, Zhiyong Zeng, Weilin Ye, Jinpiao Lin, Qishui Ou
Correlation analysis of red blood cell distribution width (RDW) and C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), tumor necrosis factor α (TNF-α), interleukin (IL)-6, and IL-10 in rheumatoid arthritis (RA) to investigate whether RDW can serve as a potential parameter for indicating inflammation in RA patients. A total of 670 RA patients from October 2014 to April 2016 were enrolled in our study. The white blood cell (WBC), red blood cell (RBC), platelet (PLT), hemoglobin (HGB), RDW, CRP, and ESR in peripheral blood of patients with RA were retrospectively analyzed...
November 3, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29098841/-effect-of-sanbitang-recipe-in-treatment-of-rheumatoid-arthritis-with-kidney-empty-and-cold-dampness-symptom
#19
Shuai-Gang Du, Zhong-Hua Guo, Qian-Qian Kong, Xue-Chang Wang, Song-Lin Zhou, Yu-Ming Liu
To explore the clinical effect of Sanbitang recipe in treatment for the rheumatoid arthritis (RA) with kidney empty and cold-dampness symptom and its safety. A total 168 cases eligible patients were randomly divided into the traditional Chinese medicine (TCM) group, the chemical medicine group and the TCM combined with chemical medicine group, with 56 cases in each group. The TCM group was treated with Sanbitang recipe; The chemical medicine group was given methotrexate tablets; And Sanbitang recipe and methotrexate tablets was adopted in the TCM combined with chemical medicine group...
July 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29096980/arthroscopic-management-of-septic-arthritis-of-the-native-shoulder-a-systematic-review
#20
REVIEW
Muzammil Memon, Jeffrey Kay, Lydia Ginsberg, Darren de Sa, Nicole Simunovic, Kristian Samuelsson, George S Athwal, Olufemi R Ayeni
PURPOSE: To investigate arthroscopic management of native shoulder joint septic arthritis-specifically, indications, patient outcomes, and complications. METHODS: PubMed, MEDLINE, and Embase were used to search the literature, and data abstraction was performed independently and in duplicate. The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) checklist guided reporting and data abstraction. The quality of all included studies was assessed with the Methodological Index for Non-randomized Studies (MINORS) criteria...
October 30, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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