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https://www.readbyqxmd.com/read/29141377/-the-clinical-significance-of-anti-ubiquitin-c-terminal-hydrolase-l1-autoantibodies-in-the-diagnosis-of-neuropsychiatric-systemic-lupus-erythematosus
#1
Y Meng, H Sun, J J Xu, R Li, Y Wang
Objective: To analyze the clinical significance of anti- ubiquitin C-terminal hydrolase L1(UCHL-1)autoantibodies in neuropsychiatric systemic lupus erythematosus (NPSLE). Methods: Autoantibodies in cerebrospinal fluid specimen of 56 inpatients were detected by using indirect enzyme-linked immunosorbent assay (ELISA) and the fullmedical history and clinical manifestations were analyzed retrospectively. Results: The levels of anti-UCHL-1 autoantibodies in NPSLE group were significant higher than that in other controls (P<0...
November 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29113537/systemic-lupus-erythematosus-with-c1q-deficiency-treatment-with-fresh-frozen-plasma
#2
Z Ekinci, K Ozturk
Treatment and outcome of systemic lupus erythematosus (SLE) in C1q deficient patients are rarely reported. The aim of this report is to share our experience about the course of management of three cases diagnosed as SLE with C1q deficiency, in light of present literature. Initial and dominant complaints of three cases from two different families were cutaneous manifestations. One patient was also diagnosed with arthritis and thrombocytopenia. Antinuclear antibody was positive in all cases, whereas anti-dsDNA was negative with normal levels of complement C3, C4 and decreased CH50 activity...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/29080286/evolve-the-australian-rheumatology-association-s-top-five-list-of-investigations-and-interventions-doctors-and-patients-should-question
#3
Kathleen Morrisroe, Ayano Nakayama, Jason Soon, Mark Arnold, Les Barnsley, Claire Barrett, Peter M Brooks, Stephen Hall, Patrick Hanrahan, Pravin Hissaria, Graeme Jones, Veera Srividya Katikireddi, Helen Keen, Rodger Laurent, Mandana Nikpour, Katherine Poulsen, Philip Robinson, Muriel Soden, Nigel Wood, Nicola Cook, Catherine Hill, Rachelle Buchbinder
BACKGROUND: The EVOLVE (evaluating evidence. enhancing efficiencies) initiative aims to drive safer, higher-quality patient care through identifying and reducing low-value practices. AIMS: To determine the Australian Rheumatology Association's (ARA's) 'top 5' list of low-value practices. METHODS: A working group comprising 19 rheumatologists and three trainees compiled a preliminary list. Items were retained if there was strong evidence of low-value and there was high or increasing clinical use and/or increasing cost...
October 28, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29073350/understanding-the-antibody-repertoire-in-neuropsychiatric-systemic-lupus-erythematosus-and-neuromyelitis-optica-spectrum-disorders-do-they-share-common-targets
#4
Simone Mader, Venkatesh Jeganathan, Yoshiyuki Arinuma, Yuichiro Fujieda, Irena Dujmovic, Jelena Drulovic, Yuka Shimizu, Yuko Sakuma, Joel N H Stern, Cynthia Aranow, Meggan Mackay, Shinsuke Yasuda, Tatsuya Atsumi, Shunsei Hirohata, Betty Diamond
OBJECTIVE: DWEYS-IgG cross-reactive with DNA and the N-methyl-D-aspartate receptor subunits GluN2A/GluN2B has been associated with neuropsychiatric systemic lupus erythematosus (NPSLE). DWEYS-IgG has not been investigated in demyelinating NPSLE (dNPSLE) or in another demyelinating disorder, Neuromyelitis Optica Spectrum Disorder (NMOSD), which is also a disease of young women and associated with aquaporin-4 (AQP4) or myelin oligodendrocyte glycoprotein (MOG) antibodies. We investigated the frequency of these brain-reactive antibodies in NPSLE, dNPSLE and NMOSD...
October 26, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29069649/the-systemic-activation-of-programmed-death-1-pd-l1-axis-protects-systemic-lupus-erythematosus-model-from-nephritis
#5
Wenjun Liao, Hua Zheng, Sha Wu, Yanmei Zhang, Wei Wang, Zili Zhang, Chenfei Zhou, Hongjun Wu, Jie Min
BACKGROUND: Systemic lupus erythematosus (SLE) is characterized by abnormal activated T cells, autoreactive B cells, and massive cytokines. The CD4+ T cells determined B-cells differentiation and cytokines production. The programmed death 1 (PD-1) is the checkpoint immunoinhibitory receptor of activated T cells, and its engagement could exhaust T cells. In this study, we investigated the role of PD-1 systemic engagement with PD-L1-Ig in lupus-like nephritis in SLE mice. METHODS: The murine PD-L1-Ig was injected into SLE-prone mice...
October 26, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29063464/diverse-patterns-of-anti-tnf-%C3%AE-induced-lupus-case-series-and-review-of-the-literature
#6
REVIEW
Ora Shovman, Shalev Tamar, Howard Amital, Abdulla Watad, Yehuda Shoenfeld
The induction of autoantibodies is common following therapy with anti-TNF-α agents. However, anti-TNF-α-induced lupus (ATIL) is rare. We assessed the clinical characteristics of three patients with inflammatory bowel disease (IBD) who were treated with infliximab and developed distinct subsets of ATIL. Also, we searched for similar cases in the published literature. We describe three patients with ATIL. The first patient had a classical drug-induced lupus (DIL) presented by thrombocytopenia that resolved after infliximab discontinuation...
October 23, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29045964/-increased-serum-c-c-chemokine-ligand-19-levels-correlated-with-b-cell-abnormalities-in-systemic-lupus-erythematosus
#7
H J Liu, L J Shi, F L Hu, H H Yao, Z G Li, Y Jia
OBJECTIVE: To detect the levels of serum C-C chemokine ligand 19 (CCL19) in patients with systemic lupus erythematosus (SLE) and to evaluate the correlation between CCL19 expression and clinical features and laboratory parameters, trying to reveal the possible role of CCL19 in the pathogenesis of systemic lupus erythematosus. METHODS: The levels of serum CCL19 were measured by enzyme linked immunosorbent assay (ELISA) in 90 patients with SLE and 30 healthy controls...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29018537/safety-pharmacokinetics-and-pharmacodynamics-of-amg-811-an-anti-interferon-%C3%AE-monoclonal-antibody-in-sle-subjects-without-or-with-lupus-nephritis
#8
Michael J Boedigheimer, David A Martin, Zahir Amoura, Jorge Sánchez-Guerrero, Juanita Romero-Diaz, Alan Kivitz, Cynthia Aranow, Tak Mao Chan, Yip Boon Chong, Kit Chiu, Christine Wang, Winnie Sohn, Gregory E Arnold, Michael A Damore, Andrew A Welcher, Barbara A Sullivan, Brian L Kotzin, James B Chung
OBJECTIVE: To evaluate safety, pharmacokinetics and pharmacodynamics of anti-interferon (IFN)-γ monoclonal antibody AMG 811 in subjects with SLE without or with lupus nephritis (LN). METHODS: In this phase Ib, randomised, multiple-dose escalation study (NCT00818948), subjects without LN were randomised to subcutaneous AMG 811 (6, 20 or 60 mg) or placebo and subjects with LN were randomised to subcutaneous AMG 811 (20, 60 or 120 mg) or placebo every four weeks for three total doses...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/28988206/cigarette-smoking-and-the-risk-of-systemic-lupus-erythematosus-overall-and-by-anti-double-stranded-dna-antibody-subtype-in-the-nurses-health-study-cohorts
#9
Medha Barbhaiya, Sara K Tedeschi, Bing Lu, Susan Malspeis, David Kreps, Jeffrey A Sparks, Elizabeth W Karlson, Karen H Costenbader
OBJECTIVES: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease, subtyped according to clinical manifestations and autoantibodies. Evidence concerning cigarette smoking and SLE risk has been conflicting. We investigated smoking and SLE risk, overall and by anti-double stranded DNA (dsDNA) presence, in two prospective cohort studies. METHODS: The Nurses' Health Study (NHS) enrolled 121 701 US female nurses in 1976; Nurses' Health Study II (NHSII) enrolled 116 430 in 1989...
October 7, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28950886/hm71224-a-selective-bruton-s-tyrosine-kinase-inhibitor-attenuates-the-development-of-murine-lupus
#10
Yu-Yon Kim, Ki Tae Park, Sun Young Jang, Kyu Hang Lee, Joo-Yun Byun, Kwee Hyun Suh, Young-Mi Lee, Young Hoon Kim, Kwang Woo Hwang
BACKGROUND: Systemic lupus erythematosus (SLE) is associated with B cell hyperactivity, and lupus nephritis (LN), in particular, is promoted by the production of autoantibodies and immune complex deposition. Bruton's tyrosine kinase (BTK) plays critical roles in B cell receptor-related and Fc receptor-related signaling. We aimed to investigate the impact of therapeutic intervention with HM71224 (LY3337641), a selective BTK inhibitor, on the development of murine SLE-like disease features...
September 26, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28935492/clinical-predictors-of-response-and-discontinuation-of-belimumab-in-patients-with-systemic-lupus-erythematosus-in-real-life-setting-results-of-a-large-multicentric-nationwide-study
#11
Luca Iaccarino, Laura Andreoli, Elena Bartoloni Bocci, Alessandra Bortoluzzi, Fulvia Ceccarelli, Fabrizio Conti, Rossella De Angelis, Ginevra De Marchi, Salvatore De Vita, Andrea Di Matteo, Giacomo Emmi, Lorenzo Emmi, Mariele Gatto, Roberto Gerli, Maria Gerosa, Marcello Govoni, Maddalena Larosa, Pier Luigi Meroni, Marta Mosca, Giulia Pazzola, Rossella Reggia, Francesca Saccon, Carlo Salvarani, Chiara Tani, Margherita Zen, Anna Chiara Frigo, Angela Tincani, Andrea Doria
OBJECTIVE: To investigate efficacy, safety and survival of belimumab and to identify predictors of drug response and drug discontinuation in patients with active SLE in clinical practice. PATIENTS AND METHODS: Data of SLE patients, treated with belimumab, from 11 Italian prospective cohorts were analyzed. SLEDAI-2K, anti-dsDNA, C3, C4, prednisone daily dose, DAS-28, 24-h proteinuria, CLASIa (Cutaneous LE Disease Area and Severity Index Activity) were recorded at baseline and every 6 months...
September 18, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28929239/flares-in-chinese-systemic-lupus-erythematosus-patients-a-6-year-follow-up-study
#12
Liying Peng, Ziqian Wang, Mengtao Li, Yanhong Wang, Dong Xu, Qian Wang, Shangzhu Zhang, Jiuliang Zhao, Xinping Tian, Xiaofeng Zeng
This study determined the flare status of SLE patients in a single-center Chinese cohort and identified the predictors of flare in this underreported Asian population. The patients were recruited from April 2009 to February 2010 at the Peking Union Medical College Hospital (PUMCH), and then followed up regularly at our clinic until December 2015. Flare was defined as an increase in SLEDAI-2K to ≥ 4 points from the previous visit, or appearing of a new SLE manifestation or worsening of a preexisting clinical or hematological manifestation (not included in SLEDAI-2K) that results in restarting or increasing corticosteroids or immunosuppressant...
December 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28927788/a-structural-investigation-of-fisle-412-a-peptidomimetic-compound-derived-from-saquinavir-that-targets-lupus-autoantibodies
#13
Mingzhu He, Kai Fan Cheng, Sonya VanPatten, Ona Bloom, Betty Diamond, Yousef Al-Abed
FISLE-412 is the first reported small molecule peptidomimetic that neutralizes anti-dsDNA autoantibodies associated with systemic lupus erythematosus (SLE) pathogenesis. FISLE-412 is a complex small molecule that involves a challenging synthesis scheme, but has attractive pharmacological activities as a potential small molecule therapeutic in lupus. Therefore, we initiated a Structure-Activity Relationship study to simplify the complexity of FISLE-412. We synthesized a small library of mimetopes around the FISLE-412 structure and identified several analogues which could neutralize anti-DNA lupus antibodies in vitro and ex vivo...
October 15, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28918421/macrophage-activation-syndrome-at-the-onset-of-glucocorticoid-resistant-systemic-lupus-erythematosus-a-case-report
#14
Delia Tulbă, Marius Balea, Cristian Băicuș
INTRODUCTION: Macrophage activation syndrome (MAS) is a life-threatening hyperinflammatory state mediated by uncontrolled cytokine storm and haemophagocytosis. Although rarely reported, MAS might occur in systemic lupus erythematosus (SLE), notably as an inaugural manifestation. Glucocorticoids (GCs) are the cornerstone of SLE therapy. However, in some cases high doses of GCs are required to achieve remission (i.e. glucocorticoid-resistance), leading to significant side effects. CASE REPORT: A 28-year-old Romani male was admitted to our hospital for polyarthralgia, polyserositis and fatigability...
September 16, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28898254/serum-levels-of-adiponectin-and-leptin-as-biomarkers-of-proteinuria-in-lupus-nephritis
#15
Valeria Diaz-Rizo, David Bonilla-Lara, Laura Gonzalez-Lopez, Dalia Sanchez-Mosco, Nicte S Fajardo-Robledo, Edsaul E Perez-Guerrero, N Alejandra Rodriguez-Jimenez, A Miriam Saldaña-Cruz, M Luisa Vazquez-Villegas, Eduardo Gomez-Bañuelos, Monica Vazquez-Del Mercado, E German Cardona-Muñoz, David Cardona-Muller, Xochitl Trujillo, Miguel Huerta, Mario Salazar-Paramo, Jorge I Gamez-Nava
INTRODUCTION: There are controversial results about the role of serum leptin and adiponectin levels as biomarkers of the severity of proteinuria in lupus nephritis. OBJECTIVE: The aim of this study was to evaluate the relationship between serum leptin and adiponectin levels with severity of proteinuria secondary to lupus nephritis (LN). METHODS: In a cross-sectional study, 103 women with systemic lupus erythematosus (SLE) were evaluated for kidney involvement...
2017: PloS One
https://www.readbyqxmd.com/read/28882929/rhob-blockade-selectively-inhibits-autoantibody-production-in-autoimmune-models-of-rheumatoid-arthritis-and-lupus
#16
Laura Mandik-Nayak, James B DuHadaway, Jennifer Mulgrew, Elizabeth Pigott, Kaylend Manley, Summer Sedano, George C Prendergast, Lisa D Laury-Kleintop
During the development of autoimmune disease, a switch occurs in the antibody repertoire of B cells so that the production of pathogenic rather than non-pathogenic autoantibodies is enabled. However, there is limited knowledge concerning how this pivotal step occurs. Here, we present genetic and pharmacological evidence of a positive modifier function for the vesicular small GTPase RhoB in specifically mediating the generation of pathogenic autoantibodies and disease progression in the K/BxN preclinical mouse model of inflammatory arthritis...
November 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28862243/association-of-anti-clic2-and-anti-hmgb1-autoantibodies-with-higher-disease-activity-in-systemic-lupus-erythematosus-patients
#17
C S Syahidatulamali, W G Wan Syamimee, Y Nor Azwany, K K Wong, C H Che Maraina
BACKGROUND: Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by numerous autoantibodies. In this study, we investigated the presence of anti-chloride intracellular channel 2 (anti-CLIC2) and anti-high mobility group box 1 (anti-HMGB1) autoantibodies in SLE patients (n = 43) versus healthy controls ([HCs] n = 43), and their association with serological parameters (antinuclear antibody [ANA], anti-double-stranded DNA [anti-dsDNA], and C-reactive protein [CRP]) and disease activity using Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) score (active or inactive)...
October 2017: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/28859328/are-interferon-related-biomarkers-advantageous-for-monitoring-disease-activity-in-systemic-lupus-erythematosus-a-longitudinal-benchmark-study
#18
Thomas Rose, Andreas Grützkau, Jens Klotsche, Philipp Enghard, Alexandra Flechsig, Johannes Keller, Gabriela Riemekasten, Andreas Radbruch, Gerd-Rüdiger Burmester, Thomas Dörner, Falk Hiepe, Robert Biesen
Objective: To determine the clinical value of six traditional and three IFN-related biomarkers in monitoring disease activity (DA) in SLE. Methods: Prospective longitudinal study of IFNα, IFNγ-inducible protein 10 (IP-10) and sialic acid-binding Ig-like lectin 1 (SIGLEC1) vs antibodies against dsDNA (ELISA and Farr radioimmunoassay), dsDNA-complexed nucleosomes (anti-dsDNA-NcX: ELISA), nucleosomes (ANuA: ELISA) and complement C3/C4 for correlation with DA (measured by BILAG 2004 index) in 26 SLE patients (77 visits)...
September 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/28836661/self-dsdna-in-the-pathogenesis-of-systemic-lupus-erythematosus
#19
REVIEW
Y Bai, Y Tong, Y Liu, H Hu
Systemic lupus erythematosus (SLE) is a systemic and poly-aetiological autoimmune disease characterized by the production of antibodies to autologous double-stranded DNA (dsDNA) which serve as diagnostic and prognostic markers. The defective clearance of apoptotic material, together with neutrophil extracellular traps (NETs), provides abundant chromatin or self-dsDNA to trigger the production of anti-dsDNA antibodies, although the mechanisms remain to be elucidated. In SLE patients, the immune complex (IC) of dsDNA and its autoantibodies trigger the robust type I interferon (IFN-I) production through intracellular DNA sensors, which drives the adaptive immune system to break down self-tolerance...
August 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28830352/jak-inhibitor-has-the-amelioration-effect-in-lupus-prone-mice-the-involvement-of-ifn-signature-gene-downregulation
#20
Keigo Ikeda, Kunihiro Hayakawa, Maki Fujishiro, Mikiko Kawasaki, Takuya Hirai, Hiroshi Tsushima, Tomoko Miyashita, Satoshi Suzuki, Shinji Morimoto, Naoto Tamura, Kenji Takamori, Hideoki Ogawa, Iwao Sekigawa
BACKGROUND: We previously reported that JAK-STAT-pathway mediated regulation of IFN-regulatory factor genes could play an important role in SLE pathogenesis. Here, we evaluated the efficacy of the JAK inhibitor tofacitinib (TOFA) for controlling IFN signalling via the JAK-STAT pathway and as a therapeutic for SLE. RESULTS: We treated NZB/NZW F1 mice with TOFA and assessed alterations in their disease, pathological, and immunological conditions. Gene-expression results obtained from CD4(+) T cells (SLE mice) and CD3(+) T cells (human SLE patients) were measured by DNA microarray and qRT-PCR...
August 22, 2017: BMC Immunology
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