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https://www.readbyqxmd.com/read/29467038/clinical-predictors-of-proteinuric-remission-following-an-ln-flare-evidence-from-the-uk-jsle-cohort-study
#1
Eve M D Smith, Peng Yin, Andrea L Jorgensen, Michael W Beresford
BACKGROUND: Proteinuria is a well-known risk factor for progression of renal dysfunction in a variety of chronic kidney diseases. In adult-onset Systemic Lupus Erytematosus (SLE) patients with lupus nephritis (LN), proteinuria takes a significant period of time to normalise, with proteinuric remission being associated with improved renal survival and reductions in mortality. The length of time required to attain proteinuric remission has not previously been investigated in Juvenile-onset SLE (JSLE)...
February 21, 2018: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29463843/prostaglandin-d-2-amplifies-lupus-disease-through-basophil-accumulation-in-lymphoid-organs
#2
Christophe Pellefigues, Barbara Dema, Yasmine Lamri, Fanny Saidoune, Nathalie Chavarot, Charlotte Lohéac, Emeline Pacreau, Michael Dussiot, Caroline Bidault, Florian Marquet, Mathieu Jablonski, Jonathan M Chemouny, Fanny Jouan, Antoine Dossier, Marie-Paule Chauveheid, Delphine Gobert, Thomas Papo, Hajime Karasuyama, Karim Sacré, Eric Daugas, Nicolas Charles
In systemic lupus erythematosus (SLE), autoantibody production can lead to kidney damage and failure, known as lupus nephritis. Basophils amplify the synthesis of autoantibodies by accumulating in secondary lymphoid organs. Here, we show a role for prostaglandin D2 (PGD2 ) in the pathophysiology of SLE. Patients with SLE have increased expression of PGD2 receptors (PTGDR) on blood basophils and increased concentration of PGD2 metabolites in plasma. Through an autocrine mechanism dependent on both PTGDRs, PGD2 induces the externalization of CXCR4 on basophils, both in humans and mice, driving accumulation in secondary lymphoid organs...
February 20, 2018: Nature Communications
https://www.readbyqxmd.com/read/29463519/-e-ffect-of-pregnancy-on-disease-flares-in-patients-with-systemic-lupus-erythematosus
#3
Amanda M Eudy, Anna Maria Siega-Riz, Stephanie M Engel, Nora Franceschini, Annie Green Howard, Megan E B Clowse, Michelle Petri
OBJECTIVE: Prior studies found conflicting results about whether lupus is likely to flare during or after pregnancy. Using a large cohort of pregnant and non-pregnant women with lupus, we estimated the effect of pregnancy on disease flares in systemic lupus erythematosus. METHODS: Data were collected in the Hopkins Lupus Cohort 1987-2015. Women aged 14-45 years with >1 measurement of disease activity were included. The time-varying exposures were classified as pregnancy, postpartum or non-pregnant/non-postpartum periods...
February 20, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29460702/comparison-between-disease-onset-patterns-of-egyptian-juvenile-and-adult-systemic-lupus-erythematosus-single-centre-experience
#4
H H Abdel-Nabi, R A Abdel-Noor
Background Systemic lupus erythematosus (SLE) is a complex autoimmune disease that occurs worldwide in both children and adults, with different disease manifestations, activity and severity between them. Objectives To analyse the difference in disease onset patterns and activity in Egyptian children and adults with SLE. Methods A retrospective cohort study conducted on 298 Egyptian SLE patients, 215 adults (a-SLE) (>18 years) and 83 children (j-SLE) (≤18 years). Disease onset, clinical manifestations and laboratory investigations were recorded...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29460701/anti-dsdna-titre-in-female-systemic-lupus-erythematosus-patients-relation-to-disease-manifestations-damage-and-antiphospholipid-antibodies
#5
T A Gheita, N M Abaza, N Hammam, A A A Mohamed, I I El-Gazzar, A H Eissa
Background Attempts are ongoing to unveil unresolved queries about anti-double-stranded deoxyribonucleic acid (anti-dsDNA), their precise pathogenic effects and to what extent blocking them would be a useful therapeutic goal. Objectives The aim of the present study was to determine the anti-dsDNA antibodies titre in systemic lupus erythematosus (SLE) patients and investigate their relation to the disease characteristics, activity, damage and antiphospholipid autoantibodies (aPL). Methods Seventy female SLE patients and 35 age- and sex-matched controls were included...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29459655/longitudinal-association-of-type-1-interferon-induced-chemokines-with-disease-activity-in-systemic-lupus-erythematosus
#6
K L Connelly, R Kandane-Rathnayake, M Huq, A Hoi, M Nikpour, E F Morand
Type I interferon (IFN) pathways are significant in SLE pathogenesis. Less is known about the utility of measuring markers of IFN activity in patients, or whether patient subsets with different profiles exist. We explored the longitudinal associations of IFN-induced chemokines with disease activity in a cohort of SLE patients. We calculated a validated composite score (IFN-CK) of three type I IFN-inducible chemokines (CCL2/CXCL10/CCL19) measured in 109 SLE patients (median 7 occasions over 3.2 years). Longitudinal associations of IFN-CK score with disease activity (SLEDAI-2K) and other variables were assessed using general estimating equation (GEE) methods...
February 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29457982/discovery-of-gdc-0853-a-potent-selective-and-non-covalent-bruton-s-tyrosine-kinase-inhibitor-in-early-clinical-development
#7
James J Crawford, Adam R Johnson, Dinah L Misner, Lisa D Belmont, Georgette M Castanedo, Regina Choy, Melis Coraggio, Liming Dong, Charles Eigenbrot, Rebecca Erickson, Nico Ghilardi, Jonathan Hau, Arna Katewa, Pawan Bir Kohli, Wendy Lee, Joseph W Lubach, Brent S McKenzie, Daniel Fred Ortwine, Leah Schutt, Suzanne Tay, Binqing Wei, Karin Reif, Lichuan Liu, Harvey Wong, Wendy B Young
Btk is a non-receptor cytoplasmic tyrosine kinase involved in B-cell and myeloid cell activation, downstream of B-cell and Fcγ receptors, respectively. Pre-clinical studies have indicated that inhibition of Btk activity might offer a potential therapy in autoimmune diseases such as rheumatoid arthritis and systemic lupus erythematosus. Here we disclose the discovery and pre-clinical characterization of a potent, selective, and non-covalent Btk inhibitor currently in clinical development. GDC-0853 (29) suppresses B cell- and myeloid cell-mediated components of disease, and demonstrates dose-dependent activity in an in vivo rat model of inflammatory arthritis...
February 19, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29457372/clinical-characteristics-and-factors-associated-with-disability-and-impaired-quality-of-life-in-children-with-juvenile-systemic-sclerosis
#8
Brandi E Stevens, Kathryn S Torok, Suzanne C Li, Nicole Hershey, Megan Curran, Gloria C Higgins, Katharine F Moore, C Egla Rabinovich, Samuel Dodson, Anne M Stevens
OBJECTIVE: To investigate clinical manifestations of juvenile systemic sclerosis (jSSc), including disease characteristics and patient quality of life, through the multinational Childhood Arthritis and Rheumatology Research Alliance (CARRA) Legacy Registry. METHODS: Subjects with jSSc were prospectively enrolled between 2010 and 2013. Diagnosis of jSSc was determined by the enrolling pediatric rheumatologist, with disease onset required prior to age 18. Collected data included demographics, disease characteristics, medication exposure, and quality of life metrics...
February 18, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29451069/arthritis-and-use-of-hydroxychloroquine-associated-with-a-decreased-risk-of-macrophage-activation-syndrome-among-adult-patients-hospitalized-with-systemic-lupus-erythematosus
#9
E M Cohen, K D'Silva, D Kreps, M B Son, K H Costenbader
Background Macrophage activation syndrome (MAS) is an uncommon but serious complication of systemic lupus erythematosus (SLE). We aimed to identify factors associated with MAS among adult hospitalized SLE patients. Methods Within the Brigham and Women's Hospital (BWH) Lupus Center Registry, we identified adult SLE patients > age 17 who had been hospitalized from 1970 to 2016, with either ferritin > 5000 ng/ml during admission or "macrophage activation syndrome" or "MAS" in discharge summary...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29451068/increased-visceral-adipose-tissue-and-altered-adiposity-distribution-in-premenopausal-lupus-patients-correlation-with-cardiovascular-risk-factors
#10
L P C Seguro, J A Paupitz, V F Caparbo, E Bonfa, R M R Pereira
Objective Visceral adipose tissue (VAT) correlates with cardiovascular risk factors and has never been assessed in systemic lupus erythematosus (SLE). Our aim was to evaluate VAT in premenopausal SLE patients. Methods Sixty-three premenopausal SLE patients and 186 age-matched healthy women were included. Demographic, anthropometric, disease and treatment parameters were evaluated. VAT was measured by dual X-ray absorptiometry (DXA) with APEX 4.0 software. Results SLE patients had a disease duration of 5.25 ± 3...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29451067/combined-detection-of-umcp-1-and-utweak-for-rapid-discrimination-of-severe-lupus-nephritis
#11
X W Dong, Z H Zheng, J Ding, X Luo, Z Q Li, Y Li, M Y Rong, Y L Fu, J H Shi, L C Yu, Z B Wu, P Zhu
Reliable markers for the rapid discrimination of severe renal damage remain a vital concern for lupus nephritis (LN). To determine a better tool for kidney damage detection, the present study compared the evaluation ability of novel urinary cytokines and chemokines (namely urinary monocyte chemoattractant protein 1 (uMCP-1), tumor necrosis factor-like weak inducer of apoptosis (uTWEAK)) with traditional serum or urinary markers (namely urinary alpha 1-microgrobulin (uα1-MG), beta 2-microglobulin (uβ2-MG) and serum complement C3 (C3), complement C4 (C4), creatinine (Cr), blood urea nitrogen (BUN) and cystatin C (Cys C)) in discriminating LN renal damage...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29451066/psychometric-properties-of-mdhaq-rapid3-in-patients-with-systemic-lupus-erythematosus
#12
N Annapureddy, D Giangreco, H Devilliers, J A Block, M Jolly
Background The Multidimensional Health Assessment Questionnaire (MDHAQ) is a patient-reported outcome (PRO) tool that includes the Routine Assessment of Patient Index Data 3 (RAPID3), an index that can be calculated at the point of care. The objective of this study was to perform psychometric analyses of MDHAQ/RAPID3 to study its measurement properties in systemic lupus erythematosus (SLE). Methods The MDHAQ was completed by 161 SLE patients in routine care, along with LupusPRO (a disease-specific PRO). The SLE disease-specific activity index (SELENA-SLEDAI) and damage (SDI) were assessed...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29450882/the-role-of-neutrophils-in-skin-damage-induced-by-tissue-deposited-lupus-igg
#13
Xuanxuan Guo, Xiang Fang, Guodan He, M Haidar Zaman, Xibin Fei, Wei Qiao, Guo-Min Deng
Skin injury is the second most common clinical manifestation in patients with SLE. Neutrophils are crucial effector cells in immune system. The significance of neutrophils in the pathogenesis of SLE is not clear. This study is to explore the role of neutrophils in skin damage of SLE. We used lupus-prone mice and C57BL/6 mice model of lupus serum IgG induced skin inflammation to investigate neutrophils role in skin damage of SLE. We found a few neutrophils infiltrated in the inflammatory sites of skin in lupus-prone mice and lupus IgG induced skin damaged mice model...
February 16, 2018: Immunology
https://www.readbyqxmd.com/read/29447842/neutrophils-drive-type-i-interferon-production-and-autoantibodies-in-wiskott-aldrich-syndrome
#14
K E Cervantes-Luevano, N Caronni, M C Castiello, E Fontana, G Piperno, A Naseem, P Uva, M Bosticardo, G E Marcovecchio, L D Notarangelo, M P Cicalese, A Aiuti, A Villa, F Benvenuti
BACKGROUND: Wiskott-Aldrich syndrome (WAS) is a rare primary immunodeficiency caused by mutations in WASp, a key regulator of cytoskeletal dynamics in hematopoietic cells. A high proportion of patients develop autoimmunity due to a breakdown in T and B cell tolerance. Moreover, excessive production of type-I interferon by plasmacytoid DCs contribute to autoimmune signs, however, the factors that triggers excessive innate activation have not been defined. OBJECTIVE: Neutrophils extracellular traps (NETs) emerged as major initiating factors in diseases such as systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA)...
February 12, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29440000/assay-variation-in-the-detection-of-antinuclear-antibodies-in-the-sera-of-patients-with-established-sle
#15
David S Pisetsky, Diane M Spencer, Peter E Lipsky, Brad H Rovin
OBJECTIVE: The expression of antinuclear antibodies (ANA) is considered almost constant in systemic lupus erythematosus (SLE), although recent experience has suggested that many subjects with SLE considered for clinical trials are ANA negative at screening. The objective of this study is to determine whether assay variation can influence ANA detection in patients with established SLE. METHODS: Sera from 103 patients with established SLE were tested using three different immunofluorescence assays (IFA) for ANA determination...
February 9, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29431056/characteristics-of-systemic-lupus-erythematosus-in-a-sample-of-the-egyptian-population-a-retrospective-cohort-of-1109-patients-from-a-single-center
#16
K T El Hadidi, B M Medhat, N M Abdel Baki, H Abdel Kafy, W Abdelrahaman, A Y Yousri, D H Attia, M Eissa, D El Dessouki, I Elgazzar, F T Elgengehy, N El Ghobashy, H El Hadary, G El Mardenly, H El Naggar, A M El Nahas, R M El Refai, H Allah El Rwiny, R M Elsman, M Galal, S Ghoniem, L A Maged, S M Sally, H Naji, S Saad, M Shaaban, M Sharaf, N Sobhy, R M Soliman, T S El Hadidi
Introduction Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease that can vary among different ethnic and racial groups. Objective The objective of this paper is to study the prevalence of various manifestations of SLE in a sample of the Egyptian population. Patients and methods Information in this study was derived from the medical records of SLE patients who sought medical advice at a private clinic in Cairo from January 1980 to June 2016. Results This study included 1109 SLE patients, of whom 114 (10...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29428197/therapeutic-impact-of-statins-on-the-lipid-profile-and-cardiovascular-risk-in-patients-with-systemic-lupus-erythematosus-systematic-review-of-the-literature-and-a-meta-analysis
#17
Paula Sánchez, Esteban Toro-Trujillo, Oscar M Muñoz-Velandia, Angel Alberto García, Daniel G Fernández-Ávila
BACKGROUND: There is strong evidence of a rise in cardiovascular risk in patients suffering from autoimmune diseases, especially in those with Sistemic Lupus Erythematosus. Until now, there are a few trials that assess the potencial benefit of statins on the incidence of cardiovascular events and on lipid profile of patients with SLE. This evidence has not been synthesized and assessed altogether. METHODS: We performed a search in databases of literature published until August of 2016 (Embase, MEDLINE, Cochrane Library, SciELO, Clinical Evidence, DynaMed, Cochrane Central Register of Controlled Trials, LILACS), identifying controlled clinical trials that could estimate the impact of statins on mortality, cardiovascular events, C-reactive protein and lipid profile in patients with Systemic Lupus Erythematosus...
February 7, 2018: Reumatología Clinica
https://www.readbyqxmd.com/read/29425538/-etiological-profile-of-secondary-raynaud-s-phenomenon-in-an-internal-medicine-department-about-121-patients
#18
T Ben Salem, M Tougorti, S Bziouech, M Lamloum, M Khanfir, I Ben Ghorbel, M H Houman
INTRODUCTION: Raynaud's phenomenon is a reversible episodic vasospastic disorder triggered by cold or emotion. Two types of Raynaud's phenomenon were distinguished: Raynaud's disease and secondary Raynaud's phenomenon. The purpose of this study was to determine the etiologic profile of secondary Raynaud's phenomenon in an internal medicine department. METHODS: A descriptive retrospective study including patients with secondary Raynaud's phenomenon followed in a tertiary internal medicine department between 2000 and 2013...
February 2018: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29420454/systemic-lupus-erythematosus-disease-activity-may-influence-the-release-of-endothelial-microparticles
#19
Walter B Cicarini, Karine S Ferreira, Cristina M G Loures, Renato V Consoli, Cláudia L S Neiva, Paulo M Pádua, Fernanda F C Nunes, Luan C V Alves, Edna A Reis, Vicente P C P Toledo, Bashir A Lwaleed, Maria G Carvalho
: To evaluate blood-borne endothelial microparticles (EMPs) in women with SLE and correlated these to disease activity as defined by the SLEDAI-2K score. The study takes cross-sectional design. A total of 90 age-matched women were recruited including: G1 (healthy volunteers, n = 30), G2 (women with SLE and low disease activity (SLEDAI-2K score ≤4; n = 30) and G3 (women with SLE and moderate/high disease activity (SLEDAI-2K score >4; n = 30). Blood was collected in 3.2% sodium citrate. Subsequently, the microparticles were purified by ultracentrifugation and labeled with anti-CD51/61 and anti-Annexin-V antibodies...
March 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29414640/malondialdehyde-acetaldehyde-antibody-concentrations-in-rheumatoid-arthritis-and-other-rheumatic-conditions
#20
Ted R Mikuls, Michael J Duryee, Bryant R England, Daniel R Anderson, Michelene Hearth-Holmes, Kaihong Su, Kaleb Michaud, Jeffrey B Payne, Harlan Sayles, Carlos Hunter, Jacob D McGowan, Lynell W Klassen, Geoffrey M Thiele
OBJECTIVE: To compare anti-malondialdehyde-acetaldehyde (MAA) antibody concentrations between rheumatoid arthritis (RA) patients and healthy and rheumatic disease controls. METHODS: Anti-MAA antibody (IgA, IgM, IgG) was measured using ELISA and banked serum from patients with RA (n = 284), osteoarthritis (OA, n = 330), spondyloarthropathy (SpA, n = 50), and systemic lupus erythematosus (SLE, n = 88) as well as healthy controls (n = 82). Anti-MAA antibody concentrations and the frequency of positivity were compared across groups...
February 1, 2018: International Immunopharmacology
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