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Rheumatoid arthritis biomarkers

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https://www.readbyqxmd.com/read/28211304/granisetron-and-carvedilol-can-protect-experimental-rats-againstadjuvant-induced-arthritis
#1
Yasmin Moustafa Ahmed, Basim Anwar Shehata Messiha, Ali Ahmed Abo-Saif
CONTEXT: Rheumatoid arthritis (RA), a disabling autoimmune disorder of the joints as well as other organs, affects about 1% of population. Unfortunately, all current treatments of RA cause severe gastrointestinal, renal and other complications. OBJECTIVE: We aimed to evaluate the possible antiarthritic effects of a serotonin 5-HT3 receptor blocker, granisetron, and a nonselective adrenergic receptor blocker, carvedilol, on complete Freund's adjuvant-induced RA in adult female albino rats...
April 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28207496/recent-advances-in-the-pathogenesis-prediction-and-management-of-rheumatoid-arthritis-associated-interstitial-lung-disease
#2
Cheilonda Johnson
PURPOSE OF REVIEW: To provide an overview of recently published articles covering interstitial lung disease associated with rheumatoid arthritis (RA-ILD). RECENT FINDINGS: Over the past year, many studies replicated previous findings in more diverse and occasionally larger populations internationally. Specifically, the association among cigarette smoking, high rheumatoid factor titer, elevated anticitrullinated protein antibody (ACPA) levels, and RA-ILD was strengthened...
February 15, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28186687/identification-of-potential-plasma-microrna-stratification-biomarkers-for-response-to-allogeneic-adipose-derived-mesenchymal-stem-cells-in-rheumatoid-arthritis
#3
David J Mallinson, Donald R Dunbar, Susan Ridha, Elizabeth R Sutton, Olga De la Rosa, Wilfried Dalemans, Eleuterio Lombardo
The ability to identify and stratify patients that will respond to specific therapies has been transformational in a number of disease areas, particularly oncology. It is anticipated that this will also be the case for cell-based therapies, particularly in complex and heterogeneous diseases such as rheumatoid arthritis (RA). Recently, clinical results with expanded allogenic adipose-derived mesenchymal stem cells (eASCs) have indicated clinical efficacy in highly refractory RA patients. In this study, we set out to determine if circulating microRNAs (miRNAs) could be identified as potential biomarkers associated with response to eASCs in these RA patients...
January 3, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28183353/endothelial-injury-in-rheumatoid-arthritis-a-crosstalk-between-dimethylarginines-and-systemic-inflammation
#4
Theodoros Dimitroulas, James Hodson, Aamer Sandoo, Jacqueline Smith, George D Kitas
BACKGROUND: Symmetric (SDMA) and asymmetric (ADMA) dimethylarginines have emerged as novel biomarkers of cardiovascular disease (CVD) in several disease settings associated with atherosclerosis. Rheumatoid arthritis (RA) is a chronic systemic inflammatory disease characterized by high CVD mortality and morbidity. ADMA and SDMA levels are abnormal in RA patients, but their correlation with assessments of endothelial function and structure remains unknown. We aimed to investigate whether SDMA and ADMA are associated with carotid intima media thickness (cIMT) and arterial stiffness as well as non-invasive assessments of in vivo micro- and macrovascular endothelial function in RA patients with high systemic inflammatory load...
February 10, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28183330/th17-and-cd24-hi-cd27-regulatory-b-lymphocytes-are-biomarkers-of-response-to-biologics-in-rheumatoid-arthritis
#5
Sarah Salomon, Caroline Guignant, Pierre Morel, Gauthier Flahaut, Clément Brault, Clément Gourguechon, Patrice Fardellone, Jean-Pierre Marolleau, Brigitte Gubler, Vincent Goëb
BACKGROUND: The aim was to describe the regulatory B and T cells (Breg and Treg) and T helper 17 (Th17) lymphocytes before and under treatment with biologic drugs, and to assess their potential predictive value as biomarkers of response in rheumatoid arthritis (RA). METHODS: This was a non-randomised, single-centre, prospective study. Patients with active RA (American College of Rheumatology (ACR)/European League Against Rheumatism (EULAR) 2010) who required the initiation or switch to any biologic drug except rituximab were included...
February 10, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28154345/elevated-serum-levels-of-interleukin-29-are-associated-with-disease-activity-in-rheumatoid-arthritis-patients-with-anti-cyclic-citrullinated-peptide-antibodies
#6
Qiong-Jie Chang, Cheng Lv, Feng Zhao, Ting-Shuang Xu, Ping Li
Rheumatoid arthritis (RA) is an inflammatory autoimmune disease that may lead to progressive joint destruction. The anti-cyclic citrullinated peptide (anti-CCP) antibody is an essential marker for the diagnosis of RA and has a crucial role in the bone destruction in RA. Recent studies have shown that interleukin (IL)-29, a vital member of type III interferon (IFN) family, could enhance proinflammatory cytokine production and might be involved in the joint destruction in RA. Therefore, in this study, we aimed to examine the role of IL-29 in RA patients with anti-CCP antibodies...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28135336/antibodies-directed-against-a-peptide-epitope-of-a-klebsiella-pneumoniae-derived-protein-are-present-in-ankylosing-spondylitis
#7
Antonio Puccetti, Marzia Dolcino, Elisa Tinazzi, Francesca Moretta, Salvatore D'Angelo, Ignazio Olivieri, Claudio Lunardi
Ankylosing spondylitis (AS) is a chronic inflammatory arthritis of unknown origin. Its autoimmune origin has been suggested but never proven. Several reports have implicated Klebsiella pneumoniae as a triggering or perpetuating factor in AS; however, its role in the disease pathogenesis remains debated. Moreover, despite extensive investigations, a biomarker for AS has not yet been identified. To clarify these issues, we screened a random peptide library with pooled IgGs obtained from 40 patients with AS. A peptide (AS peptide) selected from the library was recognized by serum IgGs from 170 of 200 (85%) patients with AS but not by serum specimens from 100 healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28130494/oxidized-low-density-lipoprotein-immune-complex-priming-of-the-nlrp3-inflammasome-involves-tlr-and-fc%C3%AE-r-cooperation-and-is-dependent-on-card9
#8
Jillian P Rhoads, John R Lukens, Ashley J Wilhelm, Jared L Moore, Yanice Mendez-Fernandez, Thirumala-Devi Kanneganti, Amy S Major
Oxidized low-density lipoprotein (oxLDL) is known to activate inflammatory responses in a variety of cells, especially macrophages and dendritic cells. Interestingly, much of the oxLDL in circulation is complexed to Abs, and these resulting immune complexes (ICs) are a prominent feature of chronic inflammatory disease, such as atherosclerosis, type-2 diabetes, systemic lupus erythematosus, and rheumatoid arthritis. Levels of oxLDL ICs often correlate with disease severity, and studies demonstrated that oxLDL ICs elicit potent inflammatory responses in macrophages...
January 27, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28123781/association-of-erythrocyte-methotrexate-polyglutamate-levels-with-the-efficacy-and-hepatotoxicity-of-methotrexate-in-patients-with-rheumatoid-arthritis-a-76-week-prospective-study
#9
Chihiro Takahashi, Yuko Kaneko, Yutaka Okano, Hiroaki Taguchi, Hisaji Oshima, Keisuke Izumi, Kunihiro Yamaoka, Tsutomu Takeuchi
OBJECTIVE: To assess the utility of erythrocyte methotrexate-polyglutamate (MTX-PG) concentrations in determining the safety and efficacy of MTX in patients with rheumatoid arthritis (RA). METHODS: 79 MTX-naïve patients with RA were enrolled in this prospective 76-week cohort study. MTX was initiated, and a predefined dose-escalation protocol was followed. Erythrocyte MTX-PG concentrations were measured using liquid chromatography. The associations of MTX-PG concentrations with disease activity and adverse events were analysed...
2017: RMD Open
https://www.readbyqxmd.com/read/28120479/urinary-haptoglobin-alpha-1-anti-chymotrypsin-and-retinol-binding-protein-identified-by-proteomics-as-potential-biomarkers-for-lupus-nephritis
#10
Amita Aggarwal, Ranjan Gupta, V S Negi, Liza Rajasekhar, Ramnath Misra, Padam Singh, Vinita Chaturvedi, Sudhir Sinha
OBJECTIVE: Identification by proteomics and validation by ELISA of potential urinary biomarkers for lupus nephritis. METHODS: Study subjects comprised 88 systemic lupus erythematosus (SLE) patients and 60 controls (rheumatoid arthritis, diabetes mellitus and healthy individuals). Based on SLE disease activity index (SLEDAI) patients were classified as active renal (AR), active non-renal (ANR) or inactive disease (ID).Urinary proteins from a group of patients with AR or ID were resolved by two-dimensional gel electrophoresis and identified by MALDI-TOF-MS/MS...
January 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28118534/disease-associated-anti-citrullinated-protein-memory-b-cells-in-rheumatoid-arthritis-persist-in-clinical-remission
#11
Adam J Pelzek, Caroline Grönwall, Pamela Rosenthal, Jeffrey D Greenberg, Mandy McGeachy, Larry Moreland, William F C Rigby, Gregg J Silverman
OBJECTIVE: In RA, autoreactive B cells are pathogenic drivers and sources of anti-citrullinated protein antibodies (ACPA) that serve as a diagnostic biomarker and predictor of worse long-term prognosis. Yet the immunobiologic significance of persistent ACPA production at a cellular level is poorly understood. METHODS: In a cross-sectional study of RA patients, we investigated for the presence of continued defects in immune homeostasis as a function of disease activity...
January 24, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28116513/repeatability-and-response-to-therapy-of-dynamic-contrast-enhanced-magnetic-resonance-imaging-biomarkers-in-rheumatoid-arthritis-in-a-large-multicentre-trial-setting
#12
John C Waterton, Meilien Ho, Lars H Nordenmark, Martin Jenkins, Julie DiCarlo, Gwenael Guillard, Caleb Roberts, Giovanni Buonaccorsi, Geoffrey J M Parker, Michael A Bowes, Charles Peterfy, Herbert Kellner, Peter C Taylor
OBJECTIVES: To determine the repeatability and response to therapy of dynamic contrast-enhanced (DCE) MRI biomarkers of synovitis in the hand and wrist of rheumatoid arthritis (RA) patients, and in particular the performance of the transfer constant K (trans) , in a multicentre trial setting. METHODS: DCE-MRI and RA MRI scoring (RAMRIS) were performed with meticulous standardisation at baseline and 6 and 24 weeks in a substudy of fostamatinib monotherapy in reducing synovitis compared with placebo or adalimumab...
January 23, 2017: European Radiology
https://www.readbyqxmd.com/read/28115292/cadherin-11-as-a-therapeutic-target-in-chronic-inflammatory-rheumatic-diseases
#13
REVIEW
Petros P Sfikakis, Nikolaos I Vlachogiannis, Panagiotis F Christopoulos
Cadherin-11 has been identified as a key regulator of synovial architecture mediating contact between Fibroblast-like Synoviocytes and organization in the lining layer. A central role for cadherin-11 has also been suggested in the formation of the rheumatoid pannus. Therapeutic targeting of cadherin-11 results in amelioration of autoimmune experimental arthritis, as well as of experimental fibrosis. In addition, cadherin-11 expression is upregulated in the synovium of patients with chronic inflammatory arthritis, whereas detection of cadherin-11 mRNA transcripts in the peripheral blood has been associated with more severe disease phenotypes in two prototypic conditions of chronic joint inflammation and fibrosis, namely, rheumatoid arthritis and systemic sclerosis, respectively...
January 21, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28112584/association-of-fcgamma-receptor-type-2a-and-3a-genotypes-with-rheumatoid-arthritis-in-chinese-population
#14
Yining Sun, Lingfei Mo, Xiuyuan Feng, Dongmei Yang, Taochao Tan, Lingxia Zeng, Lingyun Hui, Yawen Wang, Cheng Liu, Lan He
AIM: SNPs of FcγRs were implicated in pathogenesis of rheumatoid arthritis (RA) and treatment efficacy of TNF inhibitors (TNFi). This study aims to investigate the associations of FcγRIIa and FcγRIIIa genotypes with autoantibody production and treatment response to TNFi in Chinese patients with RA. PATIENTS & METHODS: FcγRIIa and FcγRIIIa polymorphisms were genotyped in 158 RA patients. Response to TNFi was evaluated in 18 patients at 3 and 6 months after treatment...
February 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28111965/identification-of-cd4-t-cell-derived-cd161-cd39-and-cd39-cd73-microparticles-as-new-biomarkers-for-rheumatoid-arthritis
#15
Wenqiang Fan, Wenxiang Wang, Jie Wu, Ling Ma, Jinyan Guo
AIM: This study aimed to identify CD4(+) T-cell-derived microparticles (MPs) and investigate their roles in rheumatoid arthritis (RA). METHODS: Synovial fluids from 34 RA, 33 osteoarthritis patients and 42 healthy individuals were analyzed by flow cytometry. Human fibroblast-like synoviocytes and peripheral blood mononuclear cells were cultured with or without isolated MPs, chemokines and cytokines were measured by ELISA. RESULTS: CD4(+)CD161(+)CD39(+) and CD4(+)CD39(+)CD73(+) MPs were abundantly present in RA patients, which were positively or negatively correlated with RA features, respectively...
February 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28102737/platelet-microvesicles-in-health-and-disease
#16
Imene Melki, Nicolas Tessandier, Anne Zufferey, Eric Boilard
Interest in cell-derived extracellular vesicles and their physiological and pathological implications is constantly growing. Microvesicles, also known as microparticles, are small extracellular vesicles released by cells in response to activation or apoptosis. Among the different microvesicles present in the blood of healthy individuals, platelet-derived microvesicles (PMVs) are the most abundant. Their characterization has revealed a heterogeneous cargo that includes a set of adhesion molecules. Similarly to platelets, PMVs are also involved in thrombosis through support of the coagulation cascade...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102705/the-acetyl-code-in-rheumatoid-arthritis-and-other-rheumatic-diseases
#17
Chiara Angiolilli, Dominique L Baeten, Timothy R Radstake, Kris A Reedquist
Growing evidence supports the idea that aberrancies in epigenetic processes contribute to the onset and progression of human immune-mediated inflammatory diseases, such as rheumatoid arthritis (RA). Epigenetic regulators of histone tail modifications play a role in chromatin accessibility and transcriptional responses to inflammatory stimuli. Among these, histone deacetylases (HDACs) regulate the acetylation status of histones and nonhistone proteins, essential for immune responses. Broad-spectrum HDAC inhibitors are well-known anti-inflammatory agents and reduce disease severity in animal models of arthritis; however, selective HDAC inhibitors remain poorly studied...
January 19, 2017: Epigenomics
https://www.readbyqxmd.com/read/28099107/case-238-spontaneous-pneumothorax-secondary-to-intrapulmonary-necrobiotic-rheumatoid-nodule
#18
Ammar A Chaudhry, Maryam Gul, Abbas A Chaudhry, William Moore
History A 54-year-old white woman with a history of rheumatoid arthritis who was taking glucocorticoids and methotrexate presented to the emergency department in December with worsening shortness of breath and chest heaviness for 1 week. She reported additional symptoms of weakness, headache, and arthralgia primarily involving her bilateral hands, wrist, ankles, and feet. She denied experiencing fevers, syncope or presyncope, focal neurologic deficits, chest pain, nausea, vomiting, unintentional weight loss, or recent trauma...
February 2017: Radiology
https://www.readbyqxmd.com/read/28096457/the-predictive-value-of-serum-s100a9-and-response-to-etanercept-is-not-confirmed-in-a-large-uk-rheumatoid-arthritis-cohort
#19
Samantha Louise Smith, Darren Plant, Stephen Eyre, Kimme Hyrich, Ann W Morgan, Anthony G Wilson, John D Isaacs, Anne Barton
OBJECTIVE: The aim was to correlate protein concentrations of S100A9 in pretreatment serum samples with response to the tumour-necrosis factor (TNF) inhibitor drugs etanercept in a large UK replication cohort. METHODS: Pretreatment serum samples from patients with RA (n = 236) about to commence treatment with etanercept had S100A9 serum concentration measured using an ELISA. Following the experimental procedure, S100A9 concentrations were analysed with respect to EULAR response...
January 16, 2017: Rheumatology
https://www.readbyqxmd.com/read/28091549/urinary-proteomics-can-define-distinct-diagnostic-inflammatory-arthritis-subgroups
#20
Stefan Siebert, Duncan Porter, Caron Paterson, Rosie Hampson, Daniel Gaya, Agnieszka Latosinska, Harald Mischak, Joost Schanstra, William Mullen, Iain McInnes
Current diagnostic tests applied to inflammatory arthritis lack the necessary specificity to appropriately categorise patients. There is a need for novel approaches to classify patients with these conditions. Herein we explored whether urinary proteomic biomarkers specific for different forms of arthritis (rheumatoid arthritis (RA), psoriatic arthritis (PsA), osteoarthritis (OA)) or chronic inflammatory conditions (inflammatory bowel disease (IBD)) can be identified. Fifty subjects per group with RA, PsA, OA or IBD and 50 healthy controls were included in the study...
January 16, 2017: Scientific Reports
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