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https://www.readbyqxmd.com/read/29045979/-changes-of-serum-krebs-von-den-lungen-6-levels-in-interstitial-lung-disease-associated-with-dermatomyositis-and-secondary-sj%C3%A3-gren-s-syndrome-a-case-report
#1
J F Yu, Y B Jin, J He, Y An, Z G Li
Interstitial lung diseases (ILDs) are a diverse group of pulmonary disorders characterized by various patterns of inflammation and fibrosis in the interstitium of the lung. The underlying pathogenesis of ILDs is complex and associated with multiple rheumatologic conditions, such as systemic sclerosis, rheumatoid arthritis, pollymyositis and dermatomyositis, Sjögren's syndrome, and systemic lupus erythematosus. As the disease progresses, excessive pulmonary fibrosis impairs alveolar gas exchange and damages pulmonary function...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29045964/-increased-serum-c-c-chemokine-ligand-19-levels-correlated-with-b-cell-abnormalities-in-systemic-lupus-erythematosus
#2
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/29042750/current-perspective-on-rituximab-in-rheumatic-diseases
#3
REVIEW
Tommaso Schioppo, Francesca Ingegnoli
The steadily increasing knowledge regarding pathogenetic mechanisms in autoimmune rheumatic diseases has paved the way to different therapeutic approaches. In particular, the market entry of biologics has dramatically modified the natural history of rheumatic chronic inflammatory diseases with a meaningful impact on patients' quality of life. Among the wide spectrum of available biological treatments, rituximab (RTX), first used in the treatment of non-Hodgkin's lymphoma, was later approved for rheumatoid arthritis and anti-neutrophil cytoplasmic antibodies-associated vasculitis...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29039348/the-impact-of-agonists-and-antagonists-of-tlr3-and-tlr9-on-concentrations-of-il-6-il10-and-sil-2r-in-culture-supernatants-of-peripheral-blood-mononuclear-cells-derived-from-patients-with-systemic-lupus-erythematosus
#4
Agnieszka Klonowska-Szymczyk, Liliana Kulczycka-Siennicka, Tadeusz Robak, Piotr Smolewski, Barbara Cebula-Obrzut, Ewa Robak
Toll-like receptors (TLR), especially TLR3, 7 and 9, play an important role in the pathogenesis of systemic lupus erythematosus (SLE). In our study blood was collected from 16 patients with SLE and from 8 healthy volunteers. Concentrations of IL-6, IL-10 and sIL-2R were measured by ELISA in mononuclear cell culture supernatant after 24 hours of stimulation by agonists and antagonists of TLR3 and 9 (for TLR3-poli I/C, resveratrol and for TLR9-ODN2006, IRS 945). Stimulation of TLR9 by ODN2006 led to an increase of IL-6 concentration in cell culture supernatants from the cells of healthy volunteers compared with unstimulated cells from controls...
October 13, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/29038617/patients-with-systemic-lupus-erythematosus-show-increased-levels-and-defective-function-of-cd69-t-regulatory-cells
#5
Marlen Vitales-Noyola, Brenda Oceguera-Maldonado, Perla Niño-Moreno, Nubia Baltazar-Benítez, Lourdes Baranda, Esther Layseca-Espinosa, Carlos Abud-Mendoza, Roberto González-Amaro
T regulatory (Treg) cells have a key role in the pathogenesis of chronic inflammatory and autoimmune diseases. A CD4(+)CD69(+) T cell subset has been described that behaves as Treg lymphocytes, exerting an important immune suppressive effect. In this study, we analyzed the levels and function of CD4(+)CD69(+) Treg cells in patients with systemic lupus erythematosus (SLE). Blood samples were obtained from 22 patients with SLE and 25 healthy subjects. Levels of CD4(+)CD69(+) Treg cells were analyzed by multiparametric flow cytometry, and their function was measured by an assay of suppression of lymphocyte activation and through the inhibition of cytokine synthesis...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29032927/mortality-from-systemic-lupus-erythematosus-in-brazil-evaluation-of-causes-according-to-the-government-health-database
#6
Luisa Ribeiro Costi, Hatsumi Miyashiro Iwamoto, Dilma Costa de Oliveira Neves, Cezar Augusto Muniz Caldas
OBJECTIVE: To characterize the causes of mortality in patients with systemic lupus erythematosus (SLE) in Brazil between 2002 and 2011. METHODS: An exploratory ecological study of a time series using data from the Mortality Information System of DATASUS, the Department of the Unified Health System (Brazil's National Health System). RESULTS: Brazil's SLE mortality rate was 4.76 deaths/10(5) inhabitants. The mortality rate was higher in the Midwest, North and Southeast regions than in the country as a whole...
October 9, 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/29023581/activating-and-inhibitory-receptors-on-natural-killer-cells-in-patients-with-systemic-lupus-erythematosis-regulation-with-interleukin-15
#7
Syh-Jae Lin, Ming-Ling Kuo, Hsiu-Shan Hsiao, Pei-Tzu Lee, Ji-Yih Chen, Jing-Long Huang
Natural killer (NK) cells may play an important role in the pathogenesis of SLE. Interleukin(IL)-15, an NK-enhancing cytokine, is over-expressed in SLE patients. In the present study, we examined the effect of IL-15 on NK cytotoxicity of SLE patients, and the expression of various activating and inhibitory NK receptors on NK cells from SLE patients in relation to disease activity. We also sought to determine how IL-15 would affect the NK receptor expression on NK cells from SLE patients. PBMCs were collected from 88 SLE patients with inactive disease activity (SLEDAI score<6) and active disease activity (SLEDAI score≥6), 26 age-matched healthy adults were used as controls...
2017: PloS One
https://www.readbyqxmd.com/read/29021794/cd95-fas-non-apoptotic-signaling-pathways-and-kinases
#8
REVIEW
Matthieu Le Gallo, Amanda Poissonnier, Patrick Blanco, Patrick Legembre
Endothelial cells lining new blood vessels that develop during inflammatory disorders or cancers act as doors that either allow or block access to the tumor or inflamed organ. Recent data show that these endothelial cells in cancer tissues and inflamed tissues of lupus patients overexpress CD95L, the biological role of which is a subject of debate. The receptor CD95 (also named Fas or apoptosis antigen 1) belongs to the tumor necrosis factor (TNF) receptor superfamily. Its cognate ligand, CD95L, is implicated in immune homeostasis and immune surveillance...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29021537/elevated-levels-of-ccr6-t-helper-22-cells-correlate-with-skin-and-renal-impairment-in-systemic-lupus-erythematosus
#9
Wei Zhong, Yanfang Jiang, Hongshuang Ma, Jiang Wu, Zhenyu Jiang, Ling Zhao
Systemic lupus erythematosus (SLE) is an autoimmune disease with a variety of pathological features. Our study investigated the potential role of CCR6(+) T cells in organ impairment of SLE patients. We analyzed CCR6(+/-) T cell subset populations and compared the concentrations of IL-22, IFN-γ, TNF-α, and IL-17A cytokines in 67 patients with newly diagnosed SLE and 26 healthy controls. We found that SLE patients had elevated percentages of CCR6(+) T, CCR6(+) Th22, Th17, Th17.1, and CCR6(-) Th2 cell subsets, along with increased concentrations of IL-22, IFN-γ, TNF-α, and IL-17 cytokines...
October 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29018507/down-regulation-of-mbd4-contributes-to-hypomethylation-and-overexpression-of-cd70-in-cd4-t-cells-in-systemic-lupus-erythematosus
#10
Wei Liao, Mengying Li, Haijing Wu, Sujie Jia, Nu Zhang, Yong Dai, Ming Zhao, Qianjin Lu
BACKGROUND: Systemic lupus erythematosus (SLE) is an autoimmune disease that is characterized by lymphocytic infiltration and overproduction of autoantibodies, leading to significant morbidity and mortality. However, the pathogenesis of this disorder has not yet been completely elucidated. It has been reported that CD70, a B cell costimulatory molecule encoded by the gene TNFSF7 (tumor necrosis factor ligand superfamily member 7), is overexpressed in CD4(+) T cells from patients with SLE due to the demethylation of its promoter...
2017: Clinical Epigenetics
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
#11
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/28984075/association-of-glucocorticoid-receptor-gene-polymorphisms-with-systemic-lupus-erythematosus-in-a-chinese-population
#12
Yang-Fan Chen, Jian-Hua Xu, Yan-Feng Zou, Li Lian, Fen Wang, Shan-Yu Chen, Jing Cai, Mu Li
OBJECTIVES: To identify the association of glucocorticoid receptor (GR) gene polymorphism with systemic lupus erythematosus (SLE). METHODS: A case-control study was carried out, in which 400 Chinese patients with SLE and 400 normal people were enrolled. DNA was extracted using a genomic DNA extraction kit, and tagged single nucleotide polymorphisms (SNPs) were identified by Haploview (4.0) Project from the Chinese HapMap Project. Eighteen tagged SNPs of the GR gene were genotyped by the Multiplex SNaPshot technique...
October 6, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28983873/updates-in-lupus-genetics
#13
REVIEW
Yun Deng, Betty P Tsao
PURPOSE OF REVIEW: Our understanding on genetic basis of SLE has been advanced through genome-wide association studies. We review recent progress in lupus genetics with a focus on SLE-associated loci that have been functionally characterized, and discuss the potential for clinical translation of genetics data. RECENT FINDINGS: Over 100 loci have been confirmed to show robust association with SLE and many share with other immune-mediated diseases. Although causative variants captured at these established loci are limited, they guide biological studies of gene targets for functional characterization which highlight the importance of aberrant recognition of self-nucleic acid, type I interferon overproduction, and defective immune cell signaling underlying the pathogenesis of SLE...
October 5, 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28982388/t-bet-cd11c-b-cells-are-critical-for-antichromatin-immunoglobulin-g-production-in-the-development-of-lupus
#14
Ya Liu, Shiyu Zhou, Jie Qian, Yan Wang, Xiang Yu, Dai Dai, Min Dai, Lingling Wu, Zhuojun Liao, Zhixin Xue, Jiehua Wang, Goujun Hou, Jianyang Ma, John B Harley, Yuanjia Tang, Nan Shen
BACKGROUND: A hallmark of systemic lupus erythematosus is high titers of circulating autoantibodies. Recently, a novel CD11c(+) B-cell subset has been identified that is critical for the development of autoimmunity. However, the role of CD11c(+) B cells in the development of lupus is unclear. Chronic graft-versus-host disease (cGVHD) is a lupus-like syndrome with high autoantibody production. The purpose of this study was to explore the role of CD11c(+) B cells in the pathogenesis of lupus in cGVHD mice...
October 5, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28976997/transcription-analysis-of-the-responses-of-porcine-heart-to-erysipelothrix-rhusiopathiae
#15
Chao Kang, Qiang Zhang, Weifeng Zhu, Chengzhi Cai, Xiaomei Sun, Meilin Jin
Erysipelothrix rhusiopathiae (E. rhusiopathiae) is the causative agent of swine erysipelas. This microbe has caused great economic losses in China and in other countries. In this study, high-throughput cDNA microarray assays were employed to evaluate the host responses of porcine heart to E. rhusiopathiae and to gain additional insights into its pathogenesis. A total of 394 DE transcripts were detected in the active virulent E. rhusiopathiae infection group compared with the PBS group at 4 days post-infection...
2017: PloS One
https://www.readbyqxmd.com/read/28973837/ezh2-modulates-the-dna-methylome-and-controls-t-cell-adhesion-through-junctional-adhesion-molecule-a-in-lupus-patients
#16
Pei-Suen Tsou, Patrick Coit, Nathan C Kilian, Amr H Sawalha
OBJECTIVE: EZH2 is an epigenetic regulator that mediates H3K27 trimethylation and modulates DNA methylation. The aim of this study is to characterize the role of EZH2 in CD4+ T cells upon lupus pathogenesis. METHODS: EZH2 expression levels were determined in CD4+ T cells isolated from lupus patients and healthy controls. The epigenetic effects of EZH2 overexpression in CD4+ T cells were evaluated using a genome-wide DNA methylation approach. Gene expression and miRNAs were assessed by qPCR while protein expression was examined by Western blotting...
October 3, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28968826/systemic-and-local-granzyme-b-levels-are-associated-with-disease-activity-kidney-damage-and-interferon-signature-in-systemic-lupus-erythematosus
#17
Helena M Kok, Lucas L van den Hoogen, Joel A G van Roon, Elisabeth J M Adriaansen, Ruth D E Fritsch-Stork, Tri Q Nguyen, Roel Goldschmeding, Timothy R D J Radstake, Niels Bovenschen
Objectives: Granzymes (Grs) are serine proteases that eliminate virally infected or tumour cells by inducing apoptosis. GrB has been shown to be associated to the pathophysiology of SLE, whereas the role of the other Grs in SLE remain unknown. Methods: Gr levels were determined in the serum of SLE patients and controls and linked to SLE activity parameters, including the IFN signature. In addition, GrB expression was investigated in LN biopsies and correlated to kidney function parameters and disease severity...
September 5, 2017: Rheumatology
https://www.readbyqxmd.com/read/28966534/incidental-focal-acantholytic-dyskeratosis-in-a-patient-with-discoid-lupus-erythematosus-a-possible-role-for-spca1-in-the-pathogenesis-of-the-disease
#18
Hyeong-Rae Kim, Seul-Ki Lim, Hae-Eul Lee, Myung Im, Young Lee, Young-Joon Seo, Jeung-Hoon Lee
No abstract text is available yet for this article.
October 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28963441/pathological-significance-and-regulatory-mechanism-of-lymphotoxin-%C3%AE-receptor-overexpression-in-t-cells-of-patients-with-systemic-lupus-erythematosus
#19
Cheng Yin, Xu-Bing Cai, Hui-Juan Wang, Bing-Jie Gu, Xiao-Fan Yang, Rong Zhang, Xiao-Hui Ji
Systemic lupus erythematosus (SLE) is a typical autoimmune disease. Lymphotoxin β receptor (LTβR) signaling plays an important role in autoimmune inflammations. LTβR-Ig fusion protein, LTβR blocking agent, has been used to treat SLE, while its mechanism remains to be fully elucidated. In this study, to investigate the expression of LTβR in the T cells of SLE patients and its roles in the pathogenesis of SLE, we isolated the peripheral blood T cells of SLE patients and normal controls to detect expression of LTβR by flow cytometry and RNA assay...
September 30, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28961019/damage-associated-molecular-patterns-and-their-role-as-initiators-of-inflammatory-and-auto-immune-signals-in-systemic-lupus-erythematosus
#20
Karen Álvarez, Gloria Vasquez
Damage-associated molecular patterns (DAMPs) are endogenous molecules that are released into the extracellular space under conditions of activation, cellular stress, or tissue damage. These molecules are recognized by pattern-recognition receptors (PRRs) and can induce inflammation and immune responses in the absence of infection. An increasing number of DAMPs have been linked to the pathogenesis of many auto-immune diseases, such as rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), psoriatic arthritis, and systemic sclerosis (SSc); as they promote the maturation/activation of different immune cells and pro-inflammatory cytokines production associated with these diseases...
September 29, 2017: International Reviews of Immunology
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