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Arthritis & Rheumatology

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https://www.readbyqxmd.com/read/28732135/synovial-immunophenotype-and-anti-citrullinated-protein-antibodies-in-ra-patients-relationship-to-treatment-response-and-radiological-prognosis
#1
Carl Orr, Aurelie Najm, Monika Biniecka, Trudy McGarry, Chin-Teck Ng, Francis Young, Ursula Fearon, Douglas J Veale
OBJECTIVE: Serum anti-citrullinated peptide antibodies (ACPA) may be present before development of rheumatoid arthritis (RA) and may predict more severe, erosive disease. This study examines synovial tissue immunophenotype according to ACPA status in RA patients, response to treatment and erosive status. METHODS: Consecutive RA patients were prospectively recruited and underwent clinical and serological assessment before and after treatment. Radiological assessment was performed at the time of clinical follow up...
July 21, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28732131/the-evolving-landscape-for-complement-therapeutics-in-rheumatic-and-autoimmune-diseases
#2
REVIEW
Joshua M Thurman, Ashley Frazer-Abel, V Michael Holers
No abstract text is available yet for this article.
July 21, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28719732/genome-wide-association-meta-analysis-reveals-novel-juvenile-idiopathic-arthritis-susceptibility-loci
#3
Laura A McIntosh, Miranda C Marion, Marc Sudman, Mary E Comeau, Mara L Becker, John F Bohnsack, Tasha E Fingerlin, Thomas A Griffin, J Peter Haas, Daniel J Lovell, Lisa A Maier, Peter A Nigrovic, Sampath Prahalad, Marilynn Punaro, Carlos D Rosé, Carol A Wallace, Carol A Wise, Halima Moncrieffe, Timothy D Howard, Carl D Langefeld, Susan D Thompson
OBJECTIVE: Juvenile idiopathic arthritis (JIA) is the most common childhood rheumatic disease and has a strong genomic component. To date, JIA genetic association studies have had limited sample sizes, used heterogeneous patient populations, or included only candidate regions. This study focuses on identifying new associations among oligoarticular and polyarticular rheumatoid factor negative (RF(-) ) JIA, which are clinically similar and the most prevalent JIA disease subtypes. METHODS: Three cohorts totaling 2,751 oligoarticular and polyarticular RF(-) JIA cases were genotyped on the Affymetrix Genome-Wide SNP Array 6...
July 18, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28719723/de-novo-hhv-8-tumors-induced-by-rituximab-in-autoimmune-or-inflammatory-systemic-diseases
#4
Amandine Perier, Léa Savey, Anne-Geneviève Marcelin, Philippe Serve, David Saadoun, Stéphane Barete
OBJECTIVES: HHV-8, also known as Kaposi's sarcoma (KS) associated herpesvirus is involved in KS and other tumors comprising multicentric Castleman disease (MCD) and primary effusion lymphoma (PEL). Rituximab is currently used for treatment of several autoimmune or inflammatory diseases and humoral organ rejection. De novo HHV-8 induced tumors by rituximab used for autoimmune or inflammatory diseases or humoral organ rejection have not been reported. METHODS: In this retrospective study, we report clinical, virological and pathology of five HIV-negative male patients with HHV-8-induced tumors following rituximab therapy...
July 18, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28707811/systemic-inflammation-and-endothelial-dysfunction-a-possible-link-between-osteoarthritis-and-hypertension-comment-on-the-article-by-niu-j-et-al
#5
LETTER
José Mario Sabio
No abstract text is available yet for this article.
July 14, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28704604/comments-on-the-article-from-roman-blas-et-al-2017
#6
LETTER
Maritza Quintero
No abstract text is available yet for this article.
July 13, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28704602/defective-early-b-cell-tolerance-checkpoints-in-sj%C3%A3-gren-s-syndrome-patients
#7
Salome Glauzy, Joel Sng, Jason Bannock, Jacques-Eric Gottenberg, Anne-Sophie Korganow, Patrice Cacoub, David Saadoun, Eric Meffre
OBJECTIVE: Central and peripheral B cell tolerance checkpoints are defective in many patients with autoimmune diseases, but the functionality of each discrete checkpoint has not been assessed in SS patients. METHODS: Using a PCR-based approach that allows us to clone and express, in vitro, recombinant antibodies produced by single B cells, we tested the reactivity of recombinant antibodies cloned from single CD19(+) CD21(low) CD10(+) IgM(hi) CD27(-) new emigrant/transitional and CD19(+) CD21(+) CD10(-) IgM(+) CD27(-) mature naïve B cells from five SS patients...
July 13, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28704601/reply-to-the-letter-of-m-quintero
#8
LETTER
J A Roman-Blas, O Sánchez-Pernaute, R Largo, G Herrero-Beaumont
No abstract text is available yet for this article.
July 13, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28692793/rare-x-chromosome-abnormalities-in-systemic-lupus-erythematosus-and-sj%C3%A3-gren-s-syndrome
#9
Rohan Sharma, Valerie M Harris, Joshua Cavett, Biji T Kurien, Ke Liu, Kristi A Koelsch, Anum Fayaaz, Kaustubh S Chaudhari, Lida Radfar, David Lewis, Donald U Stone, C Erick Kaufman, Shibo Li, Barbara Segal, Daniel J Wallace, Michael H Weisman, Swamy Venuturupalli, Jennifer A Kelly, Bernardo Pons-Estel, Roland Jonsson, Xianglan Lu, Jacques-Eric Gottenberg, Juan-Manuel Anaya, Deborah S Cunninghame-Graham, Andrew J W Huang, Michael T Brennan, Pamela Hughes, Ilias Alevizos, Corinne Miceli-Richard, Edward C Keystone, Vivian P Bykerk, Gideon Hirschfield, Gang Xie, Gunnel Nordmark, Sara Magnusson Bucher, Per Eriksson, Roald Omdal, Nelson L Rhodus, Maureen Rischmueller, Michael Rohrer, Marie Wahren-Herlenius, Torsten Witte, Marta Alarcon-Riquelme, Xavier Mariette, Christopher J Lessard, John B Harley, Wan-Fai Ng, Astrid Rasmussen, Kathy L Sivils, R Hal Scofield
BACKGROUND: Sjögren's syndrome and systemic lupus erythematosus (SLE) are related by clinical and serological manifestations as well as genetic risks. Both diseases are more commonly found in women compared to men at a ratio of about 10 to 1. Common X chromosome aneuploidies, 47,XXY and 47,XXX, are enriched among men and women, respectively, in either disease suggesting a dose effect on the X chromosome. METHODS: We examined cohorts of Sjögren's syndrome or SLE patients with intensity plots of X chromosome single nucleotide polymorphism (SNP) alleles along with karyotype of selected subjects...
July 10, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28692792/clinical-and-molecular-phenotypes-of-low-penetrance-variants-in-nlrp3-diagnostic-and-therapeutic-challenges
#10
J B Kuemmerle-Deschner, D Verma, T Endres, L Broderick, A A de Jesus, F Hofer, N Blank, K Krause, C Rietschel, G Horneff, I Aksentijevich, P Lohse, R Goldbach-Mansky, H M Hoffman, S M Benseler
Background Cryopyrin associated periodic syndrome (CAPS) results from gain-of-function mutations in the NLRP3 gene causing excessive interleukin-1β (IL-1β) release and systemic inflammation. While pathogenic NLRP3 variant phenotypes are well characterized, low-penetrance NLRP3 variants represent a significant clinical challenge. The aims of this study were to determine the clinical phenotype, the in-vitro biological phenotype and the effect of anti-IL-1 treatment in patients with low-penetrance NLRP3 variants...
July 10, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28692783/rituximab-for-anca-associated-vasculitis-not-everything-in-the-garden-is-rosy
#11
LETTER
Pavel Novikov, Leonid Strizhakov, Sergey Moiseev
No abstract text is available yet for this article.
July 10, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28692761/reply
#12
LETTER
Frank B Cortazar, John L Niles
No abstract text is available yet for this article.
July 10, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28678406/synovial-wnt-signaling-induces-the-expression-of-mmps-and-is-associated-with-disease-progression-in-early-symptomatic-osteoarthritis-patients
#13
Martijn H van den Bosch, Arjen B Blom, Fons A van de Loo, Marije I Koenders, Floris P Lafeber, Wim B van den Berg, Peter M van der Kraan, Peter L van Lent
OBJECTIVES: Increased Wnt signaling in chondrocytes is associated with osteoarthritis development. However, osteoarthritis is considered a disease of the entire joint, where the synovium has been attributed an important role in the development of joint pathology. Here, we determined whether Wnt signaling in the synovial tissue could contribute to osteoarthritis pathology through the production of MMPs. Furthermore, we determined the relation of synovial expression of Frizzled (FZD) receptors and the Wnt inhibitor FRZB to MMP expression and disease progression in early osteoarthritis patients (CHECK cohort)...
July 5, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28678392/adding-azathioprine-to-remission-induction-glucocorticoids-for-eosinophilic-granulomatosis-with-polyangiitis-microscopic-polyangiitis-or-polyarteritis-nodosa-without-poor-prognosis-factors-a-randomized-controlled-trial
#14
Xavier Puéchal, Christian Pagnoux, Gabriel Baron, Thomas Quémeneur, Antoine Néel, Christian Agard, François Lifermann, Eric Liozon, Marc Ruivard, Pascal Godmer, Nicolas Limal, Arsène Mékinian, Thomas Papo, Anne-Marie Ruppert, Anne Bourgarit, Boris Bienvenu, Loïck Geffray, Jean-Luc Saraux, Elisabeth Diot, Bruno Crestani, Xavier Delbrel, Laurent Sailler, Pascal Cohen, Véronique Le Guern, Benjamin Terrier, Matthieu Groh, Claire Le Jeunne, Luc Mouthon, Philippe Ravaud, Loïc Guillevin
OBJECTIVE: Most patients with nonsevere systemic necrotizing vasculitides (SNVs) achieve remission with glucocorticoids alone but one-third relapse within 2 years. This study aimed to determine whether azathioprine adjunction to glucocorticoids could achieve a higher sustained remission rate of newly diagnosed nonsevere eosinophilic granulomatosis with polyangiitis (EGPA), microscopic polyangiitis (MPA) or polyarteritis nodosa (PAN). METHODS: All patients included in this double-blind trial received glucocorticoids, gradually tapered over 12 months, and were randomized to receive azathioprine or placebo for 12 months, with stratification according to SNV (EGPA or MPA/PAN)...
July 5, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28666081/mhc-class-ii-alleles-influence-induction-of-pathogenic-antiphospholipid-antibodies-in-a-thrombosis-mouse-model
#15
Elizabeth Papalardo, Zurina Romay-Penabad, Rohan Willis, Premkumar Christadoss, Ana Laura Carrera-Marin, Elba Reyes-Maldonado, Rajani Rudrangi, Silvana Alfieri-Papalardo, Ethel Garcia-Latorre, Miri Blank, Silvia Pierangeli, Allan R Brasier, Emilio B Gonzalez
OBJECTIVE: Both environmental and genetic factors are important in antiphospholipid antibody(aPL) development in antiphospholipid syndrome(APS). Currently, the only available data on predisposing genetic factors have been obtained from epidemiological studies without mechanistic evidence. Therefore, we studied the influence of Major Histocompatibility Complex Class II(MHC-II) alleles on the production of aPL in an APS mouse model. METHODS: Three groups of mice: MHC-II deficient (MHC-II(-/-) ) mice, MHC-II(-/-) mice transgenic for human DQ6, DQ8 or DR4 alleles and their corresponding wild-type(WT) strains were each immunized, half with human β2 glycoprotein-I(β2 GPI) and the other half with control ovalbumin(OA) protein...
June 30, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28666080/a-phase-3-study-evaluating-continuation-tapering-and-withdrawal-of-certolizumab-pegol-after-1-year-of-therapy-in-early-rheumatoid-arthritis-patients
#16
Michael E Weinblatt, Clifton O Bingham, Gerd-Rüdiger Burmester, Vivian P Bykerk, Daniel E Furst, Xavier Mariette, Désirée van der Heijde, Ronald van Vollenhoven, Brenda Van Lunen, Cécile Ecoffet, Christopher Cioffi, Paul Emery
OBJECTIVE: For DMARD-naïve, early rheumatoid arthritis patients who achieved sustained low disease activity (sLDA; DAS28[ESR]≤3.2 at both Weeks 40 and 52) after 1 year of treatment with certolizumab pegol (CZP 200mg Q2W+optimized MTX), we evaluated whether continuation of CZP as a standard (200mg Q2W+MTX) or reduced-frequency (200mg Q4W+MTX) dose was superior to stopping CZP (placebo+MTX) in maintaining LDA for 1 additional year. METHODS: 293 patients from C-EARLY Period 1 were re-randomized 2:3:2 in Period 2 to CZP standard (n=84), reduced-frequency (n=127), CZP stopped (n=82)...
June 30, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28666077/is-rheumatoid-arthritis-a-mortal-disease
#17
EDITORIAL
Johan Askling, Marie Holmqvist, Lotta Ljung
No abstract text is available yet for this article.
June 30, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28666076/enhancers-in-autoimmune-arthritis-implications-and-therapeutic-potential
#18
REVIEW
Janneke G C Peeters, Sebastiaan J Vastert, Femke van Wijk, Jorg van Loosdregt
No abstract text is available yet for this article.
June 30, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28651038/elevated-adipsin-levels-are-associated-with-pulmonary-arterial-hypertension-in-systemic-sclerosis
#19
Benjamin D Korman, Roberta Goncalves Marangoni, Monique Hinchcliff, Sanjiv J Shah, Mary Carns, Aileen Hoffmann, Rosalind Ramsey-Goldman, John Varga
INTRODUCTION: Adipose tissues secrete adipokines, peptides with potent effects modulating fibrosis, inflammation, and vascular homeostasis. Dysregulated adipose tissue biology and adipokine balance have been recently implicated in systemic sclerosis (SSc). We sought to determine if altered circulating adipokine levels correlate with SSc disease subsets or clinical manifestations. MATERIALS AND METHODS: Multiplex assays were used to measure circulating adipokine levels in 198 patients with SSc and 33 healthy controls...
June 26, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28635179/changing-trends-in-opioid-use-among-u-s-rheumatoid-arthritis-patients
#20
Jeffrey R Curtis, Fenglong Xie, Christian Smith, Kenneth G Saag, Lang Chen, Timothy Beukelman, Melissa Mannion, Huifeng Yun, Stefan Kertesz
Introduction Opioid prescribing recently has come under intense scrutiny. However, longitudinal patterns of opioid prescription receipt in a population-based cohort of patients who have chronic pain, such as those with rheumatoid arthritis (RA), have not been well characterized. Methods We identified a cohort of RA patients based on 2006-2014 Medicare data and evaluated longitudinal time trends in regular opioid use (>=3 filled prescriptions in each 12 month interval). A separate analysis in 2014 assessed rheumatologist-specific variability in regular opioid prescription for RA patients...
June 21, 2017: Arthritis & Rheumatology
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