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https://www.readbyqxmd.com/read/29343511/response-to-remission-or-low-disease-activity-as-a-target-in-systemic-lupus-erythematosus-by-ugarte-gil-et-al
#1
Margherita Zen, Andrea Doria
No abstract text is available yet for this article.
January 17, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29343274/coexistent-sickle-cell-anemia-and-autoimmune-disease-in-eight-children-pitfalls-and-challenges
#2
Valerie Li-Thiao-Te, Florence Uettwiller, Pierre Quartier, Florence Lacaille, Brigitte Bader-Meunier, Valentine Brousse, Mariane de Montalembert
BACKGROUND: Patients with sickle cell disease (SCD) present a defective activation of the alternate complement pathway that increases the risk of infection and is thought to predispose to autoimmune disease (AID). However, coexisting AID and SCD is rarely reported, suggesting possible underdiagnosis due to an overlapping of the symptoms. STUDY DESIGN: Among 603 patients with SCD followed between 1999 and June 2016, we retrospectively searched for patients with coexisting SCD and AID...
January 17, 2018: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29342508/features-treatment-and-outcomes-of-macrophage-activation-syndrome-in-childhood-onset-systemic-lupus-erythematosus
#3
R Ezequiel Borgia, Maya Gerstein, Deborah M Levy, Earl D Silverman, Linda T Hiraki
OBJECTIVE: To describe the features and treatment of macrophage activation syndrome (MAS) in a childhood-onset systemic lupus erythematosus (cSLE) single centre cohort, and compare the cSLE manifestations and outcomes between those with and without MAS. METHODS: We included all cSLE patients followed at SickKids Hospital from 2002-12, and identified those also diagnosed with MAS. Demographic, clinical and laboratory features of MAS and SLE, medication use, hospital and PICU admissions as well as damage indices and mortality were extracted from the Lupus database...
January 17, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29341591/the-development-of-benzimidazole-based-clickable-probes-for-the-efficient-labeling-of-cellular-protein-arginine-deiminases-pads
#4
Venkatesh J Nemmara, Venkataraman Subramanian, Aaron Muth, Santanu Mondal, Ari J Salinger, Aaron J Maurais, Ronak Tilvawala, Eranthie Weerapana, Paul R Thompson
Citrullination is the post-translational hydrolysis of peptidyl-arginines to form peptidyl-citrulline, a reaction that is catalyzed by the protein arginine deiminases (PADs), a family of calcium-regulated enzymes. Aberrantly increased protein citrullination is associated with a slew of autoimmune diseases (e.g., rheumatoid arthritis (RA), multiple sclerosis, lupus, and ulcerative colitis) and certain cancers. Given the clear link between increased PAD activity and human disease, the PADs are therapeutically relevant targets...
January 17, 2018: ACS Chemical Biology
https://www.readbyqxmd.com/read/29338588/epstein-barr-virus-infection-and-type-i-interferon-signature-in-patients-with-systemic-lupus-erythematosus
#5
L Han, Y Zhang, Q Wang, M Xin, K Yang, K Lei, M Sun
Epstein-Barr (EB) virus infection has long been speculated to evoke systemic lupus erythematosus (SLE). Since a virus infection can induce interferon (IFN) system activation, we aimed to discover the relationship between the two in the progression of SLE in a Chinese inpatient cohort. Methods Peripheral blood mononuclear cells and sera were isolated from 116 SLE patients and 76 healthy controls. Antibodies against EBV-VCA (IgM and IgG) and EBNA (IgG) along with IFNα in patient sera were detected with enzyme-linked immunosorbent assays...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29338586/association-of-cxcl13-serum-level-and-ultrasonographic-findings-of-joints-in-patients-with-systemic-lupus-erythematosus-and-jaccoud-s-arthropathy
#6
D Sá Ribeiro, C F Lins, V Galvão, W G Dourado Santos, G Rosa, V Machicado, A L Pedreira, E P da Fonseca, A P Mota Duque Souza, C Baleeiro, L G Ferreira, I Silva de Oliveira, J P Cotrim Gama da Silva, A M Atta, M B Santiago
Objectives The objective of this paper is to perform an ultrasonography (US) analysis of hands and wrists in two groups of patients with systemic lupus erythematosus (SLE), with and without Jaccoud's arthropathy, matched by age and disease duration and to correlate them with levels of CXCL13 clinical features, laboratory tests and disease activity score. Methods Sixty-four patients with SLE were enrolled, 32 with and 32 without Jaccoud's arthropathy. Each patient underwent physical examination, laboratory tests (including CXCL13 by ELISA) and bilateral US...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29337141/alterations-of-oxygen-consumption-and-extracellular-acidification-rates-by-glutamine-in-pbmcs-of-sle-patients
#7
Hui-Ting Lee, Chen-Sung Lin, Siao-Cian Pan, Tsai-Hung Wu, Chyou-Shen Lee, Deh-Ming Chang, Chang-Youh Tsai, Yau-Huei Wei
We evaluated plasma glutamine levels and basal mitochondrial oxygen consumption rate (mOCRB) and basal extracellular acidification rate (ECARB) of peripheral blood mononuclear cells (PBMCs) of systemic lupus erythematous (SLE) patients and healthy controls (HCs). Lower plasma glutamine levels correlated with higher SLE disease activity indexes (p=0.025). Incubated in DMEM containing 100mg/dL glucose, SLE-PBMCs displayed lower mOCRB (p=0.018) but similar ECARB (p=0.467) to those of HC-PBMCs, and their mOCRB got elevated (p<0...
January 11, 2018: Mitochondrion
https://www.readbyqxmd.com/read/29336019/computerized-planimetry-to-assess-clinical-responsiveness-in-a-phase-ii-randomized-trial-of-topical-r333-for-discoid-lupus-erythematosus
#8
J K Presto, L G Okon, R Feng, D J Wallace, R Furie, D Fiorentino, V P Werth
BACKGROUND: R333 is a topical janus kinase and spleen tyrosine kinase inhibitor being evaluated for discoid lupus erythematosus (DLE) treatment. There is no validated measure to assess area of active DLE lesions. OBJECTIVES: To evaluate R333 efficacy and assess a technique to measure responsiveness. METHODS: 54 DLE patients were randomized in a double blind design to R333 or placebo. The primary endpoint was the proportion of patients achieving ≥50% decrease in erythema and scale based on lesional CLASI for all treated lesions at week 4...
January 16, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29335347/smoking-is-the-most-significant-modifiable-lung-cancer-risk-factor-in-systemic-lupus-erythematosus
#9
Sasha Bernatsky, Rosalind Ramsey-Goldman, Michelle Petri, Murray B Urowitz, Dafna D Gladman, Paul R Fortin, Edward H Yelin, Ellen Ginzler, John G Hanly, Christine Peschken, Caroline Gordon, Ola Nived, Cynthia Aranow, Sang-Cheol Bae, David Isenberg, Anisur Rahman, James E Hansen, Yvan St Pierre, Ann E Clarke
OBJECTIVE: To assess lung cancer risk in systemic lupus erythematosus (SLE), relative to demographics, drug exposures, smoking, and disease activity. METHODS: We analyzed data from 14 SLE cohorts. We calculated adjusted HR estimates for lung cancer in SLE, relative to demographics, smoking, time-dependent medication exposures, and cumulative disease activity [mean adjusted SLE Disease Activity Index (SLEDAI) scores]. This project was approved by the ethics boards of all participating institutions, including the Institutional Review Board of the McGill University Health Centre...
January 15, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29333701/the-childhood-arthritis-rheumatology-research-alliance-consensus-treatment-plans-towards-comparative-effectiveness-in-the-pediatric-rheumatic-diseases
#10
REVIEW
Sarah Ringold, Peter A Nigrovic, Brian M Feldman, George A Tomlinson, Emily von Scheven, Carol A Wallace, Adam M Huber, Laura E Schanberg, Suzanne C Li, Pamela F Weiss, Robert C Fuhlbrigge, Esi M Morgan, Yukiko Kimura
The pediatric rheumatic diseases are a heterogeneous group of rare diseases, posing a number of challenges for the use of traditional clinical and translational research approaches. Innovative comparative effectiveness approaches are needed to efficiently study treatment approaches and disease outcomes. The Childhood Arthritis and Rheumatology Research Alliance (CARRA) developed the consensus treatment plan (CTP) approach as a comparative effectiveness tool for research in pediatric rheumatology. CTPs are treatment strategies, developed by consensus methods among CARRA members, intended to reduce variation in treatment approaches, standardize outcome measurements, and allow for comparison of the effectiveness of different approaches with the goal of improving disease outcomes...
January 15, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29333561/pharmacokinetics-of-the-b-cell-lymphoma-2-bcl-2-inhibitor-venetoclax-in-female-subjects-with-systemic-lupus-erythematosus
#11
Mukul Minocha, Jiewei Zeng, Jeroen K Medema, Ahmed A Othman
BACKGROUND AND OBJECTIVE: Venetoclax is an oral selective Bcl-2 inhibitor approved for the treatment of patients with chronic lymphocytic leukemia with 17p deletion. Mechanistic and preclinical evidence warranted evaluation of venetoclax for the treatment of systemic lupus erythematosus (SLE). This work characterized the pharmacokinetics of venetoclax in female subjects with SLE. METHODS: Single (10-500 mg) and multiple (30-600 mg) escalating doses of venetoclax or matching placebo were evaluated using randomized, double-blind, placebo-controlled designs (6 active and 2 placebo per dose with 73 unique SLE patients enrolled, 25 of whom enrolled twice)...
January 15, 2018: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/29330755/-lymphoma-in-rheumatic-diseases
#12
REVIEW
A Rubbert-Roth, J T Bittenbring, G Assmann
Various systemic inflammatory diseases, such as rheumatoid arthritis (RA), Sjögren's syndrome and systemic lupus erythematosus (SLE) are associated with an increased risk for the development of lymphomas. Studies on patients with RA and Sjögren's syndrome have shown that there is a clear association of the incidence of lymphoma with the severity and activity of the disease and lymphomas in particular are diseases which preferentially occur in immunosuppressed patients; therefore, knowledge of the different lymphoma subtypes, their prognosis and treatment options are important for rheumatologists...
October 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29325582/urinary-angiostatin-cxcl4-and-vcam-1-as-biomarkers-of-lupus-nephritis
#13
Chi Chiu Mok, Samar Soliman, Ling Yin Ho, Fatma A Mohamed, Faten Ismail Mohamed, Chandra Mohan
BACKGROUND: The aim was to study urinary angiostatin, CXC chemokine ligand 4 (CXCL4) and vascular cell adhesion molecule-1 (VCAM-1) as biomarkers of renal disease in systemic lupus erythematosus (SLE). METHOD: Patients who fulfilled ≥ 4 American College of Rheumatology (ACR) criteria for SLE with active renal, active non-renal or inactive disease, and a group of healthy controls were studied. Urine samples were assayed for angiostatin, CXCL4 and VCAM-1 by ELISA, and normalized by creatinine...
January 11, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29325492/illness-perception-is-significantly-determined-by-depression-and-anxiety-in-systemic-lupus-erythematosus
#14
K Nowicka-Sauer, A Hajduk, H Kujawska-Danecka, D Banaszkiewicz, Ż Smoleńska, Z Czuszyńska, J Siebert
Objectives Illness perception is a cognitive representation influencing physical and psychological functioning and adherence in patients with rheumatic disease. Studies exploring illness perception in systemic lupus erythematosus (SLE) are still scarce and none of them have investigated factors determining illness perception. We aimed to assess illness perception and to identify psychological, clinical and sociodemographic factors that might influence illness perception in SLE. Methods The study involved 80 patients with SLE (87...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29322712/a-cross-sectional-study-of-cardiovascular-involvement-in-systemic-lupus-erythematosus-in-an-urban-indian-tertiary-care-centre-with-emphasis-on-2-d-echocardiography
#15
Seema Kini, Chetan Vekhande, Vikram Londhey
Background: Cardiovascular manifestations are responsible for considerable morbidity and mortality in patients with SLE. A wide range of manifestations due to active lupus, like pericarditis, valvular affection, myocarditis, and less commonly pulmonary hypertension, are described. This study was undertaken to study cardiovascular manifestations in SLE, with a focus on echocardiography findings, in an urban Indian setting. Methodology: Fifty consecutive cases of SLE following up in the Rheumatology Clinic of TNMC and BYL Nair Charitable hospital, an Indian tertiary care hospital were studied...
November 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29321815/circulating-plasma-microrna-profiling-in-patients-with-polymyositis-dermatomyositis-before-and-after-treatment-mirna-may-be-associated-with-polymyositis-dermatomyositis
#16
Takuya Hirai, Keigo Ikeda, Hiroshi Tsushima, Maki Fujishiro, Kunihiro Hayakawa, Yuko Yoshida, Shinji Morimoto, Ken Yamaji, Yoshinari Takasaki, Kenji Takamori, Naoto Tamura, Iwao Sekigawa
Background: MicroRNAs (miRNAs) are involved in the regulation of key biological processes and have been implicated in various diseases, including autoimmune disorders. The pathogenesis of polymyositis (PM) and dermatomyositis (DM) is considered to be mediated by autoimmune reactions. To determine miRNA role in the development and progression of PM and DM, we performed plasma miRNA profiling in PM/DM patients before and after treatment. Methods: Total RNA was isolated from plasma of 10 patients before and after treatment with prednisolone, or, in case of prednisolone resistance or complications, with the combination of calcineurin inhibitors (cyclosporine or tacrolims) and/or pulse intravenous cyclophosphamide...
2018: Inflammation and Regeneration
https://www.readbyqxmd.com/read/29321641/antiphospholipid-syndrome
#17
REVIEW
Karen Schreiber, Savino Sciascia, Philip G de Groot, Katrien Devreese, Soren Jacobsen, Guillermo Ruiz-Irastroza, Jane E Salmon, Yehuda Shoenfeld, Ora Shovman, Beverley J Hunt
Antiphospholipid syndrome (APS) is an autoimmune disease characterized by the presence of antiphospholipid antibodies, such as lupus anticoagulant, anticardiolipin antibodies and anti-β2-glycoprotein 1 antibodies. APS can present with a variety of clinical phenotypes, including thrombosis in the veins, arteries and microvasculature as well as obstetrical complications. The pathophysiological hallmark is thrombosis, but other factors such as complement activation might be important. Prevention of thrombotic manifestations associated with APS includes lifestyle changes and, in individuals at high risk, low-dose aspirin...
January 11, 2018: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/29321445/negative-regulation-of-b-cell-responses-and-self-tolerance-to-rna-related-lupus-self-antigen
#18
Takeshi Tsubata
The antibody response to RNA-related antigens such as Sm/RNP requires the endosomal RNA sensor TLR7, and this process is crucial in the development of systemic lupus erythematosus at least in animal models. The inhibitory B cell receptor CD72 is unique because it recognizes Sm/RNP and specifically inhibits the activation of Sm/RNP-reactive B cells by activating SH2-containing protein tyrosine phosphatase 1 (SHP-1). In the normal immune system, Sm/RNP-reactive B cells are tolerized by a unique mechanism that probably involves SHP-1...
2018: Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
https://www.readbyqxmd.com/read/29321259/plasmacytoid-dendritic-cells-promote-systemic-sclerosis-with-a-key-role-for-tlr8
#19
Marie Dominique Ah Kioon, Claudio Tripodo, David Fernandez, Kyriakos A Kirou, Robert F Spiera, Mary K Crow, Jessica K Gordon, Franck J Barrat
Systemic sclerosis (SSc) is a multisystem life-threatening fibrosing disorder that lacks effective treatment. The link between the inflammation observed in organs such as the skin and profibrotic mechanisms is not well understood. The plasmacytoid dendritic cell (pDC) is a key cell type mediating Toll-like receptor (TLR)-induced inflammation in autoimmune disease patients, including lupus and skin diseases with interface dermatitis. However, the role of pDCs in fibrosis is less clear. We show that pDCs infiltrate the skin of SSc patients and are chronically activated, leading to secretion of interferon-α (IFN-α) and CXCL4, which are both hallmarks of the disease...
January 10, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29321042/type-i-ifn-signature-in-childhood-onset-systemic-lupus-erythematosus-a-conspiracy-of-dna-and-rna-sensing-receptors
#20
M Javad Wahadat, Iris L A Bodewes, Naomi I Maria, Cornelia G van Helden-Meeuwsen, Annette van Dijk-Hummelman, Eline C Steenwijk, Sylvia Kamphuis, Marjan A Versnel
BACKGROUND: Childhood-onset systemic lupus erythematosus (cSLE) is an incurable multi-systemic autoimmune disease. Interferon type I (IFN-I) plays a pivotal role in the pathogenesis of SLE. The objective of this study was to assess the prevalence of the IFN-I signature and the contribution of cytosolic nucleic acid receptors to IFN-I activation in a cohort of primarily white cSLE patients. METHODS: The IFN-I score (positive or negative), as a measure of IFN-I activation, was assessed using real-time quantitative PCR (RT-PCR) expression values of IFN-I signature genes (IFI44, IFI44L, IFIT1, Ly6e, MxA, IFITM1) in CD14+ monocytes of cSLE patients and healthy controls (HCs)...
January 10, 2018: Arthritis Research & Therapy
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