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SLE and dsDNA

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https://www.readbyqxmd.com/read/27900999/evaluating-anti-smd1-amino-acid-83-119-peptide-reactivity-in-children-with-systemic-lupus-erythematosus-and-other-immunological-diseases
#1
Hai-Ou Yang, Xiao-Qing Zhang, Qi-Hua Fu
BACKGROUND: SmD1-amino-acid 83-119 peptide (SmD183-119) is the major epitope of Smith (Sm) antigen, which is specific for adult systemic lupus erythematosus (SLE). The anti-SmD183-119 antibody has exhibited higher sensitivity and specificity than anti-Sm antibody in diagnosing adult SLE. However, the utility of anti-SmD183-119antibodies remains unclear in children with SLE (cSLE). This study aimed to assess the characteristics of anti-SmD183-119antibody in the diagnosis of cSLE. METHODS: Samples from 242 children with different rheumatological and immunological disorders, including autoimmune diseases (SLE [n = 46] and ankylosing spondylitis [AS, n = 11]), nonautoimmune diseases (Henoch-Schonlein purpura [HSP, n = 60], idiopathic thrombocytopenia purpura [n = 27], hematuria [n = 59], and arthralgia [n = 39]) were collected from Shanghai Children's Medical Center from March 6, 2012 to February 27, 2014...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27900970/clinical-features-and-histological-patterns-of-lupus-nephritis-in-a-single-center-of-south-india
#2
Clement Wilfred Devadass, Vijaya Viswanath Mysorekar, Mahesh Eshwarappa, Lakshminarayanan Mekala, M Gireesh Siddaiah, K Gurudev Channabasappa
Renal involvement occurs in up to 60% of patients with systemic lupus erythematosus (SLE) and signifies a poor prognosis. The class of lupus nephritis (LN), determined on renal biopsy evaluation, guides the therapeutic management and has prognostic connotations. Our aim is to determine the clinicolaboratory features and histopathological patterns of LN at presentation in our local (South Indian) population. The study was conducted in a tertiary care hospital in South India between 2009 and 2014 on SLE patients with clinical evidence of LN...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27866289/echocardiographic-findings-in-asymptomatic-systemic-lupus-erythematosus-patients
#3
Abdel GaffarA Mohammed, Abdulaziz A Alghamdi, Mohammad A ALjahlan, Ibrahim A Al-Homood
The aim of this study is to use transthoracic echocardiographic (TTE) imaging methods to identify cardiac dysfunction in asymptomatic systemic lupus erythematosus (SLE) patients and to determine the association between echocardiographic findings and serology. This is a prospective cross-sectional study where 50 patients with confirmed diagnoses of SLE were recruited from rheumatology outpatient clinics. Clinical and serological evaluation to confirm the diagnosis of lupus was done in all patients. Fifty SLE patients, 46 (92%) females and 4 (8%) males, were recruited...
November 19, 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/27858870/simultaneous-comprehensive-multiplex-autoantibody-analysis-for-rapidly-progressive-glomerulonephritis
#4
Mandy Sowa, Barbara Trezzi, Rico Hiemann, Peter Schierack, Kai Grossmann, Juliane Scholz, Valentina Somma, Renato Alberto Sinico, Dirk Roggenbuck, Antonella Radice
Rapidly progressive glomerulonephritis (RPGN) is mainly caused by anti-glomerular basement membrane (GBM) antibody-mediated glomerulonephritis, immune-complex or anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides and leads to rapid loss of renal function. Detection of ANCA and autoantibodies (autoAbs) to GBM and dsDNA enables early diagnosis and appropriate treatment of RPGN aiding in preventing end-stage renal disease.Determination of ANCA on neutrophils (ANCA) as well as autoAbs to myeloperoxidase (MPO-ANCA), proteinase 3 (PR3-ANCA), GBM, and dsDNA was performed by the novel multiplex CytoBead technology combining cell- and microbead-based autoAb analyses by automated indirect immunofluorescence (IIF)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27847409/effect-of-interleukin-15-on-cd11b-cd54-and-cd62l-expression-on-natural-killer-cell-and-natural-killer-t-like-cells-in-systemic-lupus-erythematosus
#5
Syh-Jae Lin, Ji-Yih Chen, Ming-Ling Kuo, Hsiu-Shan Hsiao, Pei-Tzu Lee, Jing-Long Huang
Adhesion molecules may play an important role in systemic lupus erythematosus (SLE) pathogenesis. We investigated the effect of interleukin- (IL-) 15 on CD11b, CD54, and CD62L expression on natural killer (NK) cells, T cells, and CD56(+)CD3(+) NKT-like cells from SLE subjects and healthy controls. SLE patients had decreased circulating NK cells and NKT-like cells compared to controls. NK cells from SLE patients showed higher CD11b and CD62L expression compared to controls. IL-15 enhanced CD11b and CD54 but downregulated CD62L expression on NK cells from SLE patients...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27835693/rna-seq-analysis-reveals-unique-transcriptome-signatures-in-systemic-lupus-erythematosus-patients-with-distinct-autoantibody-specificities
#6
Richa Rai, Sudhir Kumar Chauhan, Vikas Vikram Singh, Madhukar Rai, Geeta Rai
Systemic lupus erythematosus (SLE) patients exhibit immense heterogeneity which is challenging from the diagnostic perspective. Emerging high throughput sequencing technologies have been proved to be a useful platform to understand the complex and dynamic disease processes. SLE patients categorised based on autoantibody specificities are reported to have differential immuno-regulatory mechanisms. Therefore, we performed RNA-seq analysis to identify transcriptomics of SLE patients with distinguished autoantibody specificities...
2016: PloS One
https://www.readbyqxmd.com/read/27823966/the-association-between-expression-of-ifit1-in-podocytes-of-mrl-lpr-mice-and-the-renal-pathological-changes-it-causes-an-animal-study
#7
Weiping Hu, Guodong Niu, Hongbo Li, Hanyuan Gao, Rudian Kang, Xiaoqing Chen, Ling Lin
Renal damage is the major cause of SLE associated mortality, and IFIT1expression was elevated in SLE cases in accordance of previous studies. Therefore, we conducted an animal study to identify the role of IFIT1 expression in renal pathological changes.18 female MRL/lpr mice and same number of female BALB/c mice were enrolled in present study. Quantitative analysis of urine protein, Complement C3 and C4, and anti-ds DNA antibody were conducted. HE and PAS staining and TEM analysis were employed to observe the pathological changes in renal tissue...
November 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27818202/the-expression-of-bcl-6-in-circulating-follicular-helper-like-t-cells-positively-correlates-with-the-disease-activity-in-systemic-lupus-erythematosus
#8
Xin Huang, Haijing Wu, Hong Qiu, Huilan Yang, Yaxiong Deng, Ming Zhao, Hairong Luo, Xiang Zhou, Yubin Xie, Vera Chan, Chak-Sing Lau, Qianjin Lu
Increased circulating follicular helper-like T cells (cTfh) are reported in systemic lupus erythematosus (SLE) patients. However, whether B-cell lymphoma 6 (Bcl-6) is expressed in cTfh cells remains to be clarified. In this study, we found that the frequencies of CD4(+)CXCR5(hi)PD-1(hi)cTfh, CD4(+)CXCR5(hi)PD-1(hi)ICOS(hi), and CD4(+)CXCR5(hi)PD-1(hi)Bcl-6(+) populations were significantly increased in SLE patients (n=70) when compared with healthy controls (n=48). Surprisingly, only CD4(+)CXCR5(hi)PD-1(hi)Bcl-6(+) cTfh cells, rather than CD4(+)CXCR5(hi)PD-1(hi) population, were positively correlated with SLEDAI and anti-dsDNA antibodies...
November 3, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27814627/oxidative-dna-and-mitochondrial-dna-change-in-patients-with-sle
#9
Hui-Ting Lee, Tsai-Hung Wu, Chen-Sung Lin, Chyou-Shen Lee, Siao-Cian Pan, Deh-Ming Chang, Yau-Huei Wei, Chang-Youh Tsai
We evaluated plasma IL-10, IFN-alpha, IL-23, IFN-gamma, IP-10, MCP-1, 8-OHdG, leukocyte mtDNA, serum anti-dsDNA antibodies and disease activity index (SLEDAI) in SLE patients. 93 patients (35 nephritis, 4 under dialysis, 5 under rituximab) and 50 healthy controls were recruited. Compared with healthy controls, SLE patients had higher IL-10, IFN-alpha, IL-23, IFN-gamma, IP-10 and MCP-1 (p<0.05). High IFN-alpha (p=0.031) and IP-10 (p=0.026) correlated with high SLEDAI; high IFN-alpha (p<0.001), IL-23 (p=0...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/27804088/first-real-world-insights-into-belimumab-use-and-outcomes-in-routine-clinical-care-of-systemic-lupus-erythematosus-in-germany-results-from-the-observe-germany-study
#10
Andreas Schwarting, Johann O Schroeder, Tobias Alexander, Marc Schmalzing, Christoph Fiehn, Christof Specker, Alessandra Perna, Constanze Cholmakow-Bodechtel, Volker B Koscielny, Heike Carnarius
OBSErve Germany was the first observational study of belimumab as add-on treatment for systemic lupus erythematosus (SLE) in routine clinical care in Germany, retrospectively collecting data from 102 SLE patients, 6 months before and after belimumab initiation. Most patients had moderate or severe SLE and several SLE manifestations. After 6 months of belimumab treatment, 78% of patients showed an improvement in overall disease activity of at least 20% in their physician's judgment and for 42% of patients the improvement was at least 50%...
December 2016: Rheumatology and Therapy
https://www.readbyqxmd.com/read/27793432/new-onset-of-lupus-nephritis-in-two-patients-with-sle-shortly-after-initiation-of-treatment-with-belimumab
#11
Chrysanthi Staveri, Dimitrios Karokis, Stamatis-Nick C Liossis
PURPOSE: Belimumab is currently approved for the treatment of patients with active SLE despite standard treatment. However, it has not been formally tested for patients with lupus nephritis because such patients had been excluded from the clinical trials. In this report, we present two patients with SLE who developed lupus nephritis de novo shortly after belimumab treatment initiation; both patients improved rapidly upon belimumab discontinuation. RESULTS: The first patient (a 30-year-old female, with a 15-year disease duration, receiving prednisolone, hydroxychloroquine, and azathioprine, with no previous history of nephritis that was repeatedly anti-dsDNA negative) had exacerbation of a facial butterfly-like rash developed after 3 months of belimumab treatment initiation...
September 28, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/27771618/juvenile-systemic-lupus-erythematosus-in-nigeria
#12
O O Adelowo, B H Olaosebikan, B A Animashaun, R O Akintayo
Juvenile systemic lupus erythematosus (JSLE) is a complex multisystemic autoimmune disorder of unknown cause. It accounts for about one in five cases of SLE. The tendency for SLE to run a fulminant course when it starts in childhood has made JSLE a potentially more severe disease than adult SLE. Reports of JSLE from sub-Saharan Africa are scanty in spite of the increasing reports of adult SLE. We conducted a 4-year retrospective study of JSLE cases seen at the Lagos State University Teaching Hospital between January 2010 and December 2014...
October 21, 2016: Lupus
https://www.readbyqxmd.com/read/27770825/suppression-of-lupus-nephritis-and-skin-lesions-in-mrl-lpr-mice-by-administration-of-the-topoisomerase-i-inhibitor-irinotecan
#13
Andreas Keil, Sean R Hall, Meike Körner, Martin Herrmann, Ralph A Schmid, Steffen Frese
BACKGROUND: Since the precise mechanism for the pathogenesis of systemic lupus erythematosus (SLE) is unknown, no targeted therapies in addition to immunosuppression are available so far. We recently demonstrated that administration of the topoisomerase I (topo I) inhibitor irinotecan at extremely low concentrations reversed established lupus nephritis in NZB/NZW mice. While profound immunosuppression was absent, we proposed changes in DNA relaxation and anti-double-stranded (ds)DNA antibody binding as the underlying mechanism...
October 22, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27768123/milk-fat-globule-egf-factor-8-suppresses-the-aberrant-immune-response-of-systemic-lupus-erythematosus-derived-neutrophils-and-associated-tissue-damage
#14
Wei Huang, Jiyuan Wu, Huiqin Yang, Yin Xiong, Rui Jiang, Tianpen Cui, Duyun Ye
Abnormal features of the systemic lupus erythematosus (SLE)-derived neutrophils, promoted aberrant immune response, have inspired new studies of the induction of autoimmunity and the development of organ damage in SLE. In this study, we explore the effect of milk fat globule-EGF factor 8 (MFG-E8) on the aberrant nitrification features in pristane-induced lupus. SLE patients and mice with pristane-induced lupus develop autoantibodies associated with MFG-E8 overproduction. However, the deletion of MFG-E8 leads to uncontrolled early pulmonary and peritoneal inflammation and tissue damage in mice with pristane-induced lupus...
October 21, 2016: Cell Death and Differentiation
https://www.readbyqxmd.com/read/27752336/reduction-in-erythrocyte-bound-complement-activation-products-and-titres-of-anti-c1q-antibodies-associate-with-clinical-improvement-in-systemic-lupus-erythematosus
#15
Jill Buyon, Richard Furie, Chaim Putterman, Rosalind Ramsey-Goldman, Kenneth Kalunian, Derren Barken, John Conklin, Thierry Dervieux
BACKGROUND: The relationship between cell-bound complement activation products (CB-CAPs: EC4d, EC3d), anti-C1q, soluble complement C3/C4 and disease activity in systemic lupus erythematosus (SLE) was evaluated. METHODS: Per protocol, at baseline all SLE subjects enrolled in this longitudinal study presented with active disease and elevated CB-CAPs. At each monthly visit, the non-serological (ns) Safety of Estrogens in Lupus Erythematosus: National Assessment (SELENA-SLEDAI) and the British Isles Lupus Assessment Group (BILAG)-2004 index scores were determined as was a random urinary protein to creatinine ratio (uPCR)...
2016: Lupus Science & Medicine
https://www.readbyqxmd.com/read/27752154/-effect-of-cd40-sirna-on-inflammatory-response-of-mrl-lpr-mice
#16
Z H Wang, W Zhang, Y Q Zhang, C Y Pang, Y F Wang
OBJECTIVE: To observe the effect of CD40 siRNA on expression of IFN-γ, IL-17, IL-4 and anti-dsDNA antibody of systemic lupus erythematosus (SLE) animal model MRL/Lpr mice and to discuss its therapy on MRL/Lpr mice. METHODS: In the study, 16 female MRL/Lpr mice were randomly divided into control group (n=4), empty vector group (n=4), CD40-siRNA1 group (n=4) and CD40-siRNA2 group (n=4). The vectors expressing siRNA against CD40 were injected by tail veil into MRL/Lpr mice, while MRL/Lpr mice in control group and empty vector group were injected with the same dose of PBS and pGFP-V-RS vector respectively...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27735143/association-of-serum-ferritin-levels-with-hematological-manifestations-in-systemic-lupus-erythematosus-patients-from-western-india
#17
Vandana Pradhan, Pallavi Pandit, Anjali Rajadhyaksha, Manisha Patwardhan, Prathamesh Surve, Pradnya Kamble, Maxime Lecerf, Jagadeesh Bayry, Srinivas Kaveri, K Ghosh, Milind Y Nadkar
OBJECTIVE: To identify the hematological manifestations and its association with serum ferritin levels in SLE patients from Western India. METHODS: Ninety clinically diagnosed SLE patients fulfilling ACR criteria were included. Disease activity was assessed at the time of evaluation using Systemic Lupus Erythematosus Disease Activity Index (SLEDAI). Sera were tested for serum ferritin levels by ELISA (Calbiotech, USA). Autoantibodies such as ANA, anti-dsDNA by indirect immunofluorescence test (IFA- Bio-Rad, USA) and anti-cardiolipin antibodies (ACA) to IgG and IgM isotypes and Anti-β2 GP antibodies to IgG and IgM isotypes were detected by ELISA using commercially available kits (Euroimmun, Lubeck, Germany)...
May 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27723281/gene-expression-and-pharmacodynamic-induced-changes-in-1-760-sle-patients-from-two-phase-iii-trials-of-b-cell-activating-factor-blockade-with-tabalumab
#18
Robert W Hoffman, Joan T Merrill, Marta M E Alarcón-Riquelme, Michelle Petri, Ernst R Dow, Eric Nantz, Laura K Nisenbaum, Krista M Schroeder, Wendy J Komocsar, Narayanan B Perumal, Matthew D Linnik, David C Airey, Yushi Liu, Guilherme V Rocha, Richard E Higgs
OBJECTIVE: Systemic lupus erythematosus (SLE) has substantial unmet medical need and its pathogenesis is incompletely understood. This study characterized baseline gene expression and pharmacodynamic (PD)-induced changes in whole blood gene expression from two phase III, 52-week (W), randomized, placebo-controlled, double-blind studies of 1,760 SLE patients treated with the B cell activating factor (BAFF)-blocking IgG4 monoclonal antibody, tabalumab. METHODS: Patient samples were obtained from ILLUMINATE-1 and -2 while control samples were from healthy donors...
October 9, 2016: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/27716380/a-novel-dna-histone-h4-peptide-complex-detects-autoantibodies-in-systemic-lupus-erythematosus-sera
#19
Filomena Panza, Maria Claudia Alcaro, Fiorella Petrelli, Francesca Angelotti, Federico Pratesi, Paolo Rovero, Paola Migliorini
BACKGROUND: The detection of anti-dsDNA antibodies is critical for the diagnosis and follow-up of systemic lupus erythematosus (SLE) patients. The presently available assays are characterized by a non-optimal specificity (solid phase assays) or sensitivity (Crithidia Luciliae immunofluorescence test (CLIFT)). To overcome the limits of CLIFT and solid phase chromatin assays, we explored the diagnostic potential of an assay based on plasmid DNA containing a highly bent fragment of 211 bp from Crithidia Luciliae minicircles, complexed with histone peptides...
October 4, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27696314/-lymphadenitis-and-systemic-lupus-erythematosus
#20
H Merwald-Fraenk, F Wiesent, R Dörfler, C Goebel
A 25-year-old Caucasian female patient presented with fever and cervical lymphadenopathy. Laboratory findings showed elevated signs of inflammation, elevated ANA titer and strongly positive anti-dsDNA antibodies. The histopathology of the lymph nodes revealed distinct features of Kikuchi-Fujimoto disease, a benign, self-limiting lymphadenopathy that typically affects young Asian females. In the literature a coincidental occurrence of Kikuchi-Fujimoto disease and systemic lupus erythematosus (SLE) is well documented...
December 2016: Zeitschrift Für Rheumatologie
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