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https://www.readbyqxmd.com/read/28339674/family-history-of-systemic-lupus-erythematosus-and-risk-of-autoimmune-disease-nationwide-cohort-study-in-denmark-1977-2013
#1
Constance Jensina Ulff-Møller, Jacob Simonsen, Kirsten Ohm Kyvik, Søren Jacobsen, Morten Frisch
Objective.: To provide population-based estimates of relative risk of SLE and other autoimmune diseases (ADs) in relatives of SLE patients. Methods.: A cohort of 5 237 319 Danish residents identified through the Civil Registration System was coupled to their relatives through the parental link and followed for SLE and other ADs between 1977 and 2013 through linkage to the National Patient Register. Twin zygosity was established through the Danish Twin Registry. Hazard ratios (HRs) with 95% CIs were calculated using Cox proportional hazards regression analyses...
February 20, 2017: Rheumatology
https://www.readbyqxmd.com/read/28336124/ultraviolet-b-inhibition-of-dnmt1-activity-via-ahr-activation-dependent-sirt1-suppression-in-cd4-t-cells-from-systemic-lupus-erythematosus-patients
#2
Zhouwei Wu, Xingyu Mei, Zuolin Ying, Yue Sun, Jun Song, Weimin Shi
BACKGROUND: Previous studies have reported that ultraviolet B (UVB) inhibits DNA methyltransferase1 (DNMT1) activity in CD4+ T cells from systemic lupus erythematosus (SLE) patients. Silent mating type information regulation 2 homolog 1 (SIRT1) is a type of Class III histone deacetylases (HDACs), and has been reported to play roles in the pathogenesis of different autoimmune diseases and can modulate DNMT1 activity. Moreover, aryl hydrocarbon receptor (AhR) has been reported to link UVB with SLE...
March 10, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28334051/dissecting-the-relationships-of-igg-subclasses-and-complements-in-membranous-lupus-nephritis-and-idiopathic-membranous-nephropathy
#3
Woong Na, Kijong Yi, Young Soo Song, Moon Hyang Park
Membranous lupus nephritis (MLN) and idiopathic membranous nephropathy (IMN) are kidney diseases with similar morphology, but distinct etiologies, both producing glomeruli with immune deposits. Immunoglobulins and complements, the main components of the deposits, can be detected by immunofluorescence (IF) microscopy. Previous researches characterized the immune deposits only individually, but not the interactions between them. To study these relationships we analyzed an IF profile of IgG subclasses and complements (IgG1, IgG2, IgG3, IgG4, C3, C1q, and C4) in 53 and 95 cases of biopsy-confirmed MLNs and IMNs, respectively, mainly using information theory and Bayesian networks...
2017: PloS One
https://www.readbyqxmd.com/read/28333069/environmental-enrichment-in-kennelled-pit-bull-terriers-canis-lupus-familiaris
#4
Jenna Kiddie, Anna Bodymore, Alex Dittrich
Although social enrichment can be considered beneficial in helping dogs cope with the kennel environment, when taking individual needs into account, it places a large demand on the carers and may not be appropriate in under-resourced kennels. Some kennels are also designed in such a way that there is too much social interaction, in that individuals cannot choose to distance themselves from conspecifics. This study therefore aimed to assess the effects of easily accessible enrichment on the behaviour of kennelled Pit Bull Terrier type dogs rescued from a dog-fighting ring in the Philippines...
March 23, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28325471/can-we-identify-who-gets-benefit-or-harm-from-mycophenolate-mofetil-in-systemic-lupus-erythematosus-a-systematic-review
#5
Claudia Mendoza-Pinto, Carmelo Pirone, Daniëlle A van der Windt, Ben Parker, Ian N Bruce
OBJECTIVES: We aimed to summarize the evidence examining factors that predict differential response to mycophenolate mofetil (MMF) in systemic lupus erythematosus (SLE). METHODS: Systematic searches of randomized clinical trials (RCT) to identify predictors of the effects of MMF (moderators), and cohort studies to explore prognostic factors associated with MMF outcomes (response, relapse, or adverse events) were performed. Two reviewers independently assessed the methodological quality of RCTs using the Cochrane Collaboration risk of bias tool and cohort studies using the QUality In Prognosis Studies tool...
February 9, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28321061/effects-of-denosumab-on-bone-metabolic-markers-and-bone-mineral-density-in-patients-treated-with-glucocorticoids
#6
Masato Sawamura, Atsushi Komatsuda, Masaru Togashi, Hideki Wakui, Naoto Takahashi
Objective We performed a prospective study to determine the efficacy and safety of denosumab on bone metabolic indices and bone mineral density (BMD) in 29 patients receiving long-term glucocorticoids (GCs) who had clinical risk factors for fracture. Methods Among these patients, 16 had systemic lupus erythematosus (SLE), 6 RA, 4 other autoimmune diseases, and 3 renal diseases. All patients received donosumab 60 mg at baseline and 6 months. Serum N-terminal cross-linked telopeptide of type I collagen (NTX) and bone-specific alkaline phosphatase (BAP) levels were measured as bone metabolic indices...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28318807/microrna-302d-targets-irf9-to-regulate-the-ifn-induced-gene-expression-in-sle
#7
Siobhán Smith, Thilini Fernando, Pei Wen Wu, Jane Seo, Joan Ní Gabhann, Olga Piskareva, Eoghan McCarthy, Donough Howard, Paul O'Connell, Richard Conway, Phil Gallagher, Eamonn Molloy, Raymond L Stallings, Grainne Kearns, Lindsy Forbess, Mariko Ishimori, Swamy Venuturupalli, Daniel Wallace, Michael Weisman, Caroline A Jefferies
Systemic lupus erythematosus (SLE) is a complex disease targeting multiple organs as a result of overactivation of the type I interferon (IFN) system, a feature currently being targeted by multiple biologic therapies against IFN-α. We have identified an estrogen-regulated microRNA, miR-302d, whose expression is decreased in SLE patient monocytes and identify its target as interferon regulatory factor (IRF)-9, a critical component of the transcriptional complex that regulates expression of interferon-stimulated genes (ISGs)...
March 17, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28302338/-laboratory-diagnosis-of-antiphospholipid-syndrome-from-criteria-to-practice
#8
V Joste, M-A Dragon-Durey, L Darnige
The antiphospholipid syndrome is a bioclinical entity defined by thrombosis and/or obstetrical complications in the presence, at least 12 weeks apart, of antiphospholipid antibodies detected by coagulation test (lupus anticoagulant) or immunological assays (anticardiolipin, anti-β2-glycoprotein I antibodies). Biological markers' improvement such as anti-phosphatidylserine/prothrombin and biological score should allow better patients' management and preventive therapeutic for thrombosis and obstetrical complications...
March 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28300427/annexin-a1-as-a-target-for-managing-murine-pristane-induced-systemic-lupus-erythematosus
#9
Nikolina Mihaylova, Silviya Bradyanova, Petroslav Chipinski, Melinda Herbáth, Stela Chausheva, Dobroslav Kyurkchiev, József Prechl, Andrey I Tchorbanov
Systemic lupus erythematosus (SLE) is a polygenic pathological disorder which involves multiple organs. Self-specific B cells play a main role in the lupus pathogenesis by generating autoantibodies as well as by serving as important autoantigen-presenting cells. Autoreactive T lymphocytes, on the other hand, are responsible for B cell activation and proliferation, and cytokine production. Therefore, both factors promote the idea that a down-modulation of activated self-reactive T and B cells involved in the pathogenic immune response is a reasonable approach for SLE therapy...
March 16, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28293057/kikuchi-fujimoto-disease-a-rare-presentation-with-localized-iliac-lymphadenitis
#10
Shrihari Anil Anikhindi, Anil Arora, Shashi Dhawan, Naresh Bansal, Praveen Sharma, Vikas Singla, Ashish Kumar
Kikuchi-Fujimoto disease (KFD) is a benign, self-limiting disease characterized by histiocytic necrotising lymphadenitis. Though several viral agents or an autoimmune etiology has been proposed as causative, the exact cause remains unknown. It has a female predilection and most commonly seen among young Asian people. Patients usually present with a febrile illness and the presence of lymphadenopathy may provide a clue to diagnosis. The most common site of lymphadenopathy is cervical lymph nodes while intra-abdominal involvement is uncommon...
January 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28291723/cardiac-surgery-in-systemic-lupus-erythematosus-patients-clinical-characteristics-and-outcomes
#11
Javier Tejeda-Maldonado, Lauro Quintanilla-González, Jaime Galindo-Uribe, Andrea Hinojosa-Azaola
OBJECTIVES: To study the clinical characteristics and outcomes in systemic lupus erythematosus (SLE) patients who underwent cardiac surgery. METHODS: Retrospective analysis of 30 SLE patients who underwent cardiac surgery at a single center. Demographics, comorbidities, clinical and serologic characteristics, cardiovascular risk scores and treatment were recorded. Type of surgery, postoperative complications, mortality and histology were analyzed. RESULTS: Disease duration at surgery was 2 years...
March 11, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28286780/il-1%C3%AE-and-il-6-are-highly-expressed-in-rf-ige-systemic-lupus-erythematous-subtype
#12
Yongkang Wu, Bei Cai, Junlong Zhang, Beilei Shen, Zhuochun Huang, Chunyu Tan, Carla C Baan, Lanlan Wang
Background. Systemic lupus erythematosus (SLE) is an autoimmune disease with great heterogeneity in pathogenesis and clinical symptoms. Rheumatoid factor (RF) is one key indicator for rheumatoid arthritis (RA) while immunoglobulin E (IgE) is associated with type I hypersensitivity. To better categorize SLE subtypes, we determined the dominant cytokines based on familial SLE patients. Methods. RF, IgE, and multiple cytokines (i.e., IL-1β, IL-6, IL-8, IL-10, IL-17, IFN-γ, IP-10, MCP-1, and MIP-1β) were measured in sera of familial SLE patients (n = 3), noninherited SLE patients (n = 108), and healthy controls (n = 80)...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28284231/support-for-phosphoinositol-3-kinase-and-mtor-inhibitors-as-treatment-for-lupus-using-in-silico-drug-repurposing-analysis
#13
Daniel Toro-Domínguez, Pedro Carmona-Sáez, Marta E Alarcón-Riquelme
BACKGROUND: Systemic lupus erythematosus (SLE) is an autoimmune disease with few treatment options. Current therapies are not fully effective and show highly variable responses. In this regard, large efforts have focused on developing more effective therapeutic strategies. Drug repurposing based on the comparison of gene expression signatures is an effective technique for the identification of new therapeutic approaches. Here we present a drug-repurposing exploratory analysis using gene expression signatures from SLE patients to discover potential new drug candidates and target genes...
March 11, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28283766/autoantibodies-to-types-i-and-iv-collagen-and-heart-valve-disease-in-systemic-lupus-erythematosus-antiphospholipid-syndrome
#14
José Pardos-Gea, Josefina Cortés-Hernández, Jesus Castro-Marrero, Eva Balada, José Ordi-Ros
Introduction/objectives autoantibodies to types I and IV collagen have been described in rheumatic fever and infective endocarditis. We tried to elucidate if an autoimmune response against collagens I and IV exists, associated with heart valve disease in systemic lupus erythematosus (SLE) and antiphospholipid syndrome (APS). A cohort of 172 patients with SLE (n = 79), primary APS (PAPS, n = 83), and secondary APS (n = 10) were assessed for valvulopathy by transthoracic echocardiograms. Autoantibodies to types I and IV collagen were assessed in patients and 50 controls, setting autoantibody positivity at two standard deviations above the mean antibody level of controls...
March 10, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28279502/circulating-microparticle-subpopulations-in-systemic-lupus-erythematosus-are-affected-by-disease-activity
#15
Patricia López, Javier Rodríguez-Carrio, Aleida Martínez-Zapico, Luis Caminal-Montero, Ana Suárez
BACKGROUND: Immune cells under chronic inflammation shed microparticles (MPs) that could fuel the inflammatory responses and atherosclerosis typically presented in systemic lupus erythematosus (SLE). This study analyzes total and subset-specific MPs from SLE patients and their possible influence on clinical features, leukocyte activation and serum cytokines. METHODS: Total MPs and those derived from platelets, endothelial cells, monocytes, granulocytes and T-cells were quantified in plasma of 106 SLE patients and 33 healthy controls by flow cytometry...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28274696/expanding-the-b-cell-centric-view-of-systemic-lupus-erythematosus
#16
REVIEW
Peter A Morawski, Silvia Bolland
Systemic lupus erythematosus (SLE) is an autoimmune disorder characterized by a breakdown of self-tolerance in B cells and the production of antibodies against nuclear self-antigens. Increasing evidence supports the notion that additional cellular contributors beyond B cells are important for lupus pathogenesis. In this review we consider recent advances regarding both the pathogenic and the regulatory role of lymphocytes in SLE beyond the production of IgG autoantibodies. We also discuss various inflammatory effector cell types involved in cytokine production, removal of self-antigens, and responses to autoreactive IgE antibodies...
March 5, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28274360/the-red-face-not-always-rosacea
#17
Clio Dessinioti, Christina Antoniou
Facial erythema (the "red face") is a straightforward clinical finding, and it is evident even to the untrained eye; however, a red face does not represent a single cutaneous entity. It may be due to a plethora of distinct underlying conditions of varying severity, including rosacea, demodicosis, dermatomyositis, lupus erythematosus, allergic contact dermatitis, drug-induced erythema, and emotional blushing. In clinical practice, dermatologists do not encounter only one type of facial erythema but rather a number of different shades of red...
March 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28267664/carotid-free-floating-thrombus-causing-stroke-in-a-young-woman-with-lupus-anticoagulant-a-case-report-and-review-of-the-literature
#18
Abolfazl Afsharfard, Barmak Gholizadeh, Younes Abdolalian, Seyed Masoud Hosseini
INTRODUCTION: In young adults Stroke is a challenging condition and various tests are needed to diagnose and manage its underlying problems. Free floating thrombosis of internal carotid artery (FFT-ICA) is one of the rare problems among carotid artery diseases which can lead to stroke in adults. Owing to limited cases of FFT-ICA there is not a worldwide accepted consensus on management of FFT-ICA, but some recurrences after medical management have been reported in the literature. PRESENTATION OF CASE: A-25-year old woman was referred to hospital with sudden onset aphasia and right sided hemiparesis...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28267197/taci-dependent-april-signaling-maintains-autoreactive-b-cells-in-a-mouse-model-of-systemic-lupus-erythematosus
#19
Ngoc Lan Tran, Pascal Schneider, Marie-Laure Santiago-Raber
Autoantibodies contribute to the development of Systemic Lupus Erythematosus (SLE). APRIL (a proliferation-inducing ligand), a member of the TNF superfamily, regulates plasma-cell survival and binds to TACI (transmembrane activator CAML interactor) and BCMA (B cell maturation antigen). We previously showed that APRIL blockade delayed disease onset in lupus-prone mice. In order to evaluate the role of APRIL receptors in the development of SLE, APRIL, TACI, BCMA or double TACI.BCMA null mutations were introduced into the Nba2...
March 7, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28263189/cd11b-activation-suppresses-tlr-dependent-inflammation-and-autoimmunity-in-systemic-lupus-erythematosus
#20
Mohd Hafeez Faridi, Samia Q Khan, Wenpu Zhao, Ha Won Lee, Mehmet M Altintas, Kun Zhang, Vinay Kumar, Andrew R Armstrong, Carmelo Carmona-Rivera, Jessica M Dorschner, Abigail M Schnaith, Xiaobo Li, Yogita Ghodke-Puranik, Erica Moore, Monica Purmalek, Jorge Irizarry-Caro, Tingting Zhang, Rachael Day, Darren Stoub, Victoria Hoffmann, Shehryar Jehangir Khaliqdina, Prachal Bhargava, Ana M Santander, Marta Torroella-Kouri, Biju Issac, David J Cimbaluk, Andrew Zloza, Rajeev Prabhakar, Shashank Deep, Meenakshi Jolly, Kwi Hye Koh, Jonathan S Reichner, Elizabeth M Bradshaw, JianFeng Chen, Luis F Moita, Peter S Yuen, Wanxia Li Tsai, Bhupinder Singh, Jochen Reiser, Swapan K Nath, Timothy B Niewold, Roberto I Vazquez-Padron, Mariana J Kaplan, Vineet Gupta
Genetic variations in the ITGAM gene (encoding CD11b) strongly associate with risk for systemic lupus erythematosus (SLE). Here we have shown that 3 nonsynonymous ITGAM variants that produce defective CD11b associate with elevated levels of type I interferon (IFN-I) in lupus, suggesting a direct link between reduced CD11b activity and the chronically increased inflammatory status in patients. Treatment with the small-molecule CD11b agonist LA1 led to partial integrin activation, reduced IFN-I responses in WT but not CD11b-deficient mice, and protected lupus-prone MRL/Lpr mice from end-organ injury...
March 6, 2017: Journal of Clinical Investigation
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