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https://www.readbyqxmd.com/read/28291723/cardiac-surgery-in-systemic-lupus-erythematosus-patients-clinical-characteristics-and-outcomes
#1
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/28288675/activation-status-of-mucosal-associated-invariant-t-cells-reflects-disease-activity-and-pathology-of-systemic-lupus-erythematosus
#2
Asako Chiba, Naoto Tamura, Kazunori Yoshikiyo, Goh Murayama, Mie Kitagaichi, Ken Yamaji, Yoshinari Takasaki, Sachiko Miyake
BACKGROUND: Mucosal-associated invariant T (MAIT) cells are innate-like lymphocytes constituting a large proportion of peripheral blood T cells expressing αβ T-cell receptor in humans. In this study, we aimed to investigate their involvement in systemic lupus erythematosus (SLE). METHODS: Peripheral blood MAIT cells from patients with SLE were assessed for their frequency, activation markers, and cell death by flow cytometry. The correlation between plasma cytokine levels and CD69 expression on MAIT cells was analyzed...
March 14, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28286903/the-risk-of-tuberculosis-in-sle-patients-from-an-asian-tertiary-hospital
#3
Yong Yang, Julian Thumboo, Ban Hock Tan, Thuan Tong Tan, Chern Hui Jeffrey Fong, Han Seong Ng, Kok Yong Fong
Systemic lupus erythematosus (SLE) has been associated with increased risk of tuberculosis (TB). However, little is known about the extent and risk factors for TB among Asian patient with SLE. We aimed to assess the rate of TB in patients with SLE, and investigate the risk of SLE on TB development using hospital administrative database. This is an historical cohort study of hospital discharge database from 2004 to 2011 to identify cases with SLE and TB using International Statistical Classification of Diseases and Related Health Problems, 9th Revision, Australian Modification (ICD-9-AM) codes...
March 12, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28285286/necrotizing-polyarteritis-nodosa-like-vasculitis-in-a-child-with-systemic-lupus-erythematosus
#4
Ritambhra Nada, Joseph L Matthews, Sagar Bhattad, Anju Gupta, Surjit Singh
A 10-year-old child presented with prolonged fever, lymphadenopathy, weight loss, oral ulcers, alopecia and parotitis. She later developed arterial thrombosis, poly-serositis, nephritis, myocarditis, sacro-ilitis, autoimmune hemolytic anemia and refractory thrombocytopenia. Though anti-dsDNA was negative, she was diagnosed to have systemic lupus erythematosus (SLE). Terminally, she had pulmonary symptoms and succumbed to her illness. The autopsy showed lupus nephritis-Class II, polyserositis, myocarditis, inflammatory myositis, immune mediated vasculitis involving renal, coronary, pancreatic, adrenal, dermal and intramuscular arteries, and pulmonary hemorrhages and edema...
February 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28264814/risk-of-serious-infections-associated-with-use-of-immunosuppressive-agents-in-pregnant-women-with-autoimmune-inflammatory-conditions-cohort-study
#5
Rishi J Desai, Brian T Bateman, Krista F Huybrechts, Elisabetta Patorno, Sonia Hernandez-Diaz, Yoonyoung Park, Sara Z Dejene, Jacqueline Cohen, Helen Mogun, Seoyoung C Kim
Objective To compare the risk of serious infections associated with use of systemic steroids, non-biologic agents, or tumor necrosis factor α (TNF) inhibitors in pregnancy.Design Observational cohort study.Setting Public (Medicaid, 2001-10) or private (Optum Clinformatics, 2004-15) health insurance programs in the US.Participants 4961 pregnant women treated with immunosuppressive drugs for rheumatoid arthritis, systemic lupus erythematosus, ankylosing spondylitis, psoriatic arthritis, or inflammatory bowel disease...
March 6, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28263097/transcriptional-and-epigenetic-regulation-of-follicular-t-helper-cells-and-their-role-in-autoimmunity
#6
Hong Qiu, Haijing Wu, Vera Chan, Chak-Sing Lau, Qianjin Lu
T-follicular helper (Tfh) cells are a specialized subset of T cells that provide help to B cells and promote the formation of germinal centers (GCs). Tfh cells transmit important signals to B cells that drive class switch recombination, somatic hyper-mutation, the generation of high-affinity antibodies, immunological memory and their differentiation into plasma cells or memory B cells in the GCs. Tfh-cell differentiation is regulated by the coordinated functions of distinct cytokines, including interleukin (IL)-6, IL-21, IL-12, IL-23, IL-2, IL-7 and transforming growth factor-β (TGF-β), as well as transcription factors, including B-cell lymphoma 6 protein (Bcl-6), Signal transducers and activators of transcription (STAT)1, STAT3, STAT4, B-cell activating transcription factor (Batf), interferon regulatory factor 4 (IRF4), v-maf avian musculoaponeurotic fibrosarcoma oncogene homolog (C-Maf), T-cell-specific transcription factor 1 (TCF-1) and Achaete-scute homolog 2 (Acl2), which have been shown to form a complex transcriptional network...
March 2017: Autoimmunity
https://www.readbyqxmd.com/read/28245046/treatment-with-a-selective-histone-deacetylase-6-inhibitor-decreases-lupus-nephritis-in-nzb-w-mice
#7
Miranda D Vieson, Alexander M Gojmerac, Deena Khan, Rujuan Dai, John H van Duzer, Ralph Mazitschek, David L Caudell, Xiaofeng Liao, Xin M Luo, Christopher M Reilly
To date, there are 18 histone deacetylase (HDAC) enzymes, divided into four classes, which alter protein function by removing acetyl groups from lysine residues. Prior studies report that non-selective HDAC inhibitors decrease disease in lupus mouse models. Concern for adverse side effects of non-selective HDAC inhibition supports investigation of selective-HDAC inhibition. We hypothesized that a selective HDAC-6 inhibitor (HDAC6i) will alleviate disease in a mouse model of lupus by increasing acetylation of alpha-tubulin...
February 28, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28219888/cd74-deficiency-mitigates-systemic-lupus-erythematosus-like-autoimmunity-and-pathological-findings-in-mice
#8
Yi Zhou, Huimei Chen, Li Liu, Xueqing Yu, Galina K Sukhova, Min Yang, Lijun Zhang, Vasileios C Kyttaris, George C Tsokos, Isaac E Stillman, Takaharu Ichimura, Joseph V Bonventre, Peter Libby, Guo-Ping Shi
CD74 mediates MHC class-II antigenic peptide loading and presentation and plays an important role in the pathogenesis of autoimmune diseases, including systemic lupus erythematosus. C57BL/6 Fas(lpr) mice that develop spontaneous lupus-like autoimmunity and pathology showed elevated CD74 expression in the inflammatory cell infiltrates and the adjacent tubular epithelial cells (TECs) in kidneys affected by lupus nephritis but negligible levels in kidneys from age-matched wild-type mice. The inflammatory cytokine IFN-γ or IL-6 induced CD74 expression in kidney TECs in vitro...
April 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28213738/cytomegalovirus-infection-in-patients-with-lupus-nephritis-clinical-and-laboratory-features-and-therapeutic-considerations
#9
Lei Zhang, Jianling Tao, Yubing Wen, Li Li, Xueyi Wu, Xuewang Li, Xuemei Li
To better clarify the clinical features and therapeutic strategy of CMV infection in lupus nephritis patients, we retrospectively surveyed a total of 40 lupus nephritis patients, who had been hospitalized and underwent renal biopsy and diagnosed as having CMV infection during their hospitalization at our institution within the last 10 years. The percentage of CMV infections in the entire hospitalized lupus nephritis population was 5.3% (40/755). The principal clinical features of the 40 CMV-infected patients were hematological disorders (n = 25), fever (n = 21), liver dysfunction (n = 19), and respiratory symptoms (n = 12)...
February 17, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28202869/treatment-of-vasodilator-resistant-mixed-connective-tissue-disease-associated-pulmonary-arterial-hypertension-with-glucocorticoid-and-cyclophosphamide
#10
Eri Sugawara, Masaru Kato, Ryo Hisada, Kenji Oku, Toshiyuki Bohgaki, Tetsuya Horita, Shinsuke Yasuda, Tatsuya Atsumi
Pulmonary arterial hypertension (PAH) associated with systemic lupus erythematosus (SLE) or mixed connective tissue disease (MTCD), in contrast to other types of PAH, may respond to immunosuppressive therapy. Most PAH cases with an immunosuppressant response were in the early stages of the disease (WHO functional class III or less). The present case was a 34-year-old woman with MCTD-associated PAH (WHO functional class IV) who was resistant to a combination of three vasodilators. Afterwards, she was treated with glucocorticoid and cyclophosphamide...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28173739/trigger-factors-of-cutaneous-lupus-erythematosus-a-review-of-current-literature
#11
J Szczęch, D Samotij, V P Werth, A Reich
It is currently believed that autoimmune conditions are triggered and aggravated by a variety of environmental factors such as cigarette smoking, infections, ultraviolet light or chemicals, as well as certain medications and vaccines in genetically susceptible individuals. Recent scientific data have suggested a relevant role of these factors not only in systemic lupus erythematosus, but also in cutaneous lupus erythematosus (CLE). A variety of environmental factors have been proposed as initiators and exacerbators of this disease...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28159359/clinical-characteristics-and-survival-of-pulmonary-arterial-hypertension-associated-with-three-major-connective-tissue-diseases-a-cohort-study-in-china
#12
Jiuliang Zhao, Qian Wang, Yongtai Liu, Zhuang Tian, Xiaoxiao Guo, Hui Wang, Jinzhi Lai, Can Huang, Xiaoxi Yang, Mengtao Li, Xiaofeng Zeng
OBJECTIVE: Pulmonary arterial hypertension (PAH) is a major cause of death in connective tissue disease patients. This study investigated the clinical characteristics and survival of CTD-PAH in Chinese patients. METHODS: This cohort study enrolled 190 consecutive PAH patients with systemic lupus erythematosus (SLE), systemic sclerosis (SSc), or primary Sjögren's syndrome (pSS) who visited our referral center between May 2006 and December 2014. Baseline demographics, clinical features, laboratory results, and hemodynamic assessments were analyzed...
January 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28157833/urinary-albumin-levels-are-independently-associated-with-renal-lesion-severity-in-patients-with-lupus-nephritis-and-little-or-no-proteinuria
#13
Jin Ding, Zhaohui Zheng, Xueyi Li, Yuan Feng, Nan Leng, Zhenbiao Wu, Ping Zhu
BACKGROUND Systemic lupus erythematosus (SLE) leads to renal lesions, which may be clinically silent in patients with little or no proteinuria. Early detection of these lesions may improve prognosis, but early markers are controversial. This study aimed to determine renal marker proteins associated with renal lesion severity in patients with lupus nephropathy (LN) and little or no proteinuria. MATERIAL AND METHODS Patients with LN and little or no proteinuria (<0.5 g/24 hours) (n=187) that underwent kidney biopsy were grouped according to: low severity (Class I or II; n=116) versus high severity (Class III, IV, or V; n=71)...
February 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28148285/clinicopathological-findings-treatment-response-and-predictors-of-long-term-outcome-in-a-cohort-of-lupus-nephritis-patients-managed-according-to-the-euro-lupus-regime-a-retrospective-analysis-in-sri-lanka
#14
Nalaka Herath, Neelakanthi Ratnatunga, Kosala Weerakoon, Abdul Wazil, Nishantha Nanayakkara
BACKGROUND: Despite the improvement in survival of patients with lupus nephritis (LN) globally, there is sparse data from Sri Lanka (SL). The current study aims to describe the clinicopathological findings, treatment response and predictors of long-term outcome of patients with WHO class III-IV LN in SL, managed according to the Euro-lupus regime. RESULTS: Of 72 patients, 64 were females. In half of them, LN was diagnosed within the 1st year of the illness. The most common presenting feature was sub-nephrotic proteinuria...
February 2, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28143420/papulonodular-mucinosis-guillain-barr%C3%A3-syndrome-and-nephrotic-syndrome-in-a-patient-with-systemic-lupus-erythematosus-a-case-report
#15
Xiaole Su, Xi Qiao, Jing Li, Lifang Gao, Chen Wang, Lihua Wang
BACKGROUND: Awareness of the spectrum of clinical manifestations of systemic lupus erythematosus (SLE), especially uncommon changes, is essential for diagnosis and effective management of patients. CASE PRESENTATION: A 26-year-old Chinese man with SLE initially manifested cutaneous papulonodular mucinosis and developed acute Guillain-Barré syndrome and class V lupus nephritis 2 years later. His cutaneous nodules had not been idententified for 2 years and were resected by surgical procedures twice until SLE was diagnosed...
February 1, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28142291/treatment-of-preeclampsia-with-hydroxychloroquine-a-review
#16
Rahana Abd Rahman, Philip DeKoninck, Padma Murthi, Euan M Wallace
In this review, we discuss the potential use of antimalarial drugs as an adjuvant therapy for preeclampsia, focusing on the mechanisms of action of this class of drugs in the context of preeclampsia. In particular, hydroxychloroquine has been shown to have various beneficial effects on patients with systemic lupus erythematosus. There are several pathways targeted by the antimalarial drugs that are similar to the pathophysiology of preeclampsia and hence offering opportunities to develop novel therapies to treat the disease...
February 21, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28133824/a-retrospective-study-comparing-histopathological-and-immunopathological-features-of-nasal-planum-dermatitis-in-20-dogs-with-discoid-lupus-erythematosus-or-leishmaniosis
#17
Michela De Lucia, Giorgia Mezzalira, Mar Bardagí, Dolors M Fondevila, Elisabetta Fabbri, Alessandra Fondati
BACKGROUND: In areas endemic for leishmaniosis, discoid lupus erythematosus (DLE) and canine leishmaniosis (CanL) are the most common differential diagnoses for nasal planum erosive-ulcerative dermatitis in dogs. HYPOTHESIS/OBJECTIVE: To compare histopathological and immunopathological features of canine nasal planum erosive-ulcerative dermatitis with depigmentation due to DLE or CanL. ANIMALS: Nasal planum biopsies from dogs with nasal planum loss of architecture, depigmentation, swelling, erosions or ulcerations due to DLE (n = 14) or CanL (n = 6)...
January 29, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28129605/mesenchymal-stem-cells-upregulate-treg-cells-via-shla-g-in-sle-patients
#18
Chen Chen, Jun Liang, Genhong Yao, Haifeng Chen, Bingyu Shi, Zhuoya Zhang, Cheng Zhao, Huayong Zhang, Lingyun Sun
BACKGROUND: Soluble human leukocyte antigen-G (sHLA-G) is a non-classical HLA class I molecule, exhibiting strong immunosuppressive properties by inducing the differentiation of T regulatory cells (Treg). Mesenchymal stem cells (MSCs) transplantation alleviates disease progression in systemic lupus erythematosus (SLE) patients. However, the underlying mechanisms are largely unknown. OBJECTIVES: To explore whether sHLA-G is involved in upregulating effects of MSCs on Treg, which contributes to therapeutic effects of MSCs transplantation in SLE...
January 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28127639/increased-mer-and-axl-receptor-tyrosine-kinase-expression-on-glomeruli-in-lupus-nephritis
#19
Shanshan Li, Qianyu Guo, Huaqun Zhu, Zhanguo Li, Yin Su, Bao Dong
Mer and Axl receptor tyrosine kinases (MerTK and AxlTK) play important roles in the clearance of apoptotic cells and the inhibition of inflammatory responses. Previous studies demonstrated that they might participate in glomerular injury in mice model. This study aimed to elucidate the expression of MerTK and AxlTK on glomeruli and analyze their clinical significance in lupus nephritis (LN) patients. Twenty-nine LN and 10 primary nephrotic syndrome (NS) patients were recruited. The expression of MerTK and AxlTK on glomeruli was measured by immunohistochemistry...
January 26, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28094303/genetic-polymorphisms-of-rs3077-and-rs9277535-in-hla-dp-associated-with-systemic-lupus-erythematosus-in-a-chinese-population
#20
Junlong Zhang, Wenli Zhan, Bin Yang, Anning Tian, Lin Chen, Yun Liao, Yongkang Wu, Bei Cai, Lanlan Wang
Although the SLE risk gene loci of HLA-DR and HLA-DQ within the major histocompatibility complex (MHC) region has been gradually revealed by recent Genome-Wide Association studies (GWAS), the association of HLA-DP polymorphisms with SLE was minimally reported. Considering that the variants in rs3077 and rs9277535 in the HLA-DP region could influence the immune response by affecting antigen presentation of HLA class II molecules to CD4(+) T cells, the present study aimed to explore the role of HLA-DP polymorphisms in SLE...
January 17, 2017: Scientific Reports
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