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https://www.readbyqxmd.com/read/28105982/human-umbilical-cord-mesenchymal-stem-cells-inhibit-t-follicular-helper-cell-expansion-through-the-activation-of-inos-in-lupus-prone-b6-mrl-faslpr-mice
#1
Zhuoya Zhang, Ruihai Feng, Lingying Niu, Saisai Huang, Wei Deng, Bingyu Shi, Genhong Yao, Weiwei Chen, Xiaojun Tang, Xiang Gao, Xuebing Feng, Lingyun Sun
The aberrant generation or activation of T follicular helper (Tfh) cells contributes to the pathogenesis of systemic lupus erythematosus (SLE), yet little is known about how these cells are regulated. In this study, we demonstrated that the frequency of Tfh cells was increased in lupus-prone B6.MRL-<em>Fas<sup>lpr</sup></em> (B6.<em>lpr</em>) mice and positively correlated to plasma cell proportions and serum total IgG as well as anti-dsDNA antibody levels. Transplantation of human umbilical cord mesenchymal stem cells (UC-MSCs) ameliorated lupus symptoms in B6...
January 20, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28101832/serum-uric-acid-levels-contribute-to-new-renal-damage-in-systemic-lupus-erythematosus-patients
#2
C Reátegui-Sokolova, Manuel F Ugarte-Gil, Rocío V Gamboa-Cárdenas, Francisco Zevallos, Jorge M Cucho-Venegas, José L Alfaro-Lozano, Mariela Medina, Zoila Rodriguez-Bellido, Cesar A Pastor-Asurza, Graciela S Alarcón, Risto A Perich-Campos
This study aims to determine whether uric acid levels contribute to new renal damage in systemic lupus erythematosus (SLE) patients. This prospective study was conducted in consecutive patients seen since 2012. Patients had a baseline visit and follow-up visits every 6 months. Patients with ≥2 visits were included; those with end-stage renal disease (regardless of dialysis or transplantation) were excluded. Renal damage was ascertained using the SLICC/ACR damage index (SDI). Univariable and multivariable Cox-regression models were performed to determine the risk of new renal damage...
January 18, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28100106/systemic-lupus-erythematosus-in-the-light-of-the-regulatory-effects-of-galectin-1-on-t-cell-function
#3
Á Hornung, É Monostori, L Kovács
Galectin-1 is an endogenous immunoregulatory lectin-type protein. Its most important effects are the inhibition of the differentiation and cytokine production of Th1 and Th17 cells, and the induction of apoptosis of activated T-cells. Galectin-1 has been identified as a key molecule in antitumor immune surveillance, and data are accumulating about the pathogenic role of its deficiency, and the beneficial effects of its administration in various autoimmune disease models. Initial animal and human studies strongly suggest deficiencies in both galectin-1 production and responsiveness in systemic lupus erythematosus (SLE) T-cells...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28099919/autophagy-related-gene-lrrk2-is-likely-a-susceptibility-gene-for-systemic-lupus-erythematosus-in-northern-han-chinese
#4
Yue-Miao Zhang, Xu-Jie Zhou, Fa-Juan Cheng, Yuan-Yuan Qi, Ping Hou, Ming-Hui Zhao, Hong Zhang
Autophagy is associated with various immune diseases, including systemic lupus erythematosus (SLE). Seven variants within autophagy-related genes previously reported to show top association signals by genome-wide association studies in immune diseases were selected for analysis. Initially, 510 SLE patients (631 controls) were enrolled in the study. An additional independent cohort of 511 SLE patients (687 controls) was included for replication. Polymorphism rs2638272 in LRRK2 gene showed significant association with susceptibility to SLE (P = 1...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099213/hydroxychloroquine-induced-erythema-multiforme
#5
Nour Abou Assalie, Robert Durcan, Laura Durcan, Michelle A Petri
Hydroxychloroquine is the cornerstone of medical therapy in systemic lupus erythematosus (SLE). We report a case of erythema multiforme in association with this medication in a 25-year-old white woman with SLE. We provide a detailed review of the reported cases in the literature of hydroxychloroquine-induced severe cutaneous adverse reactions. To our knowledge, this is the first reported case of hydroxychloroquine-induced erythema multiforme in the setting of SLE.
January 18, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28097447/mannose-binding-lectin-mbl-codon-54-rs1800450-polymorphism-predisposes-towards-medium-vessel-vasculitis-in-patients-with-systemic-lupus-erythematosus
#6
Vir Singh Negi, Panneer Devaraju, Durga Prasanna Misra, Vikramraj K Jain, Jignesh Babulal Usdadiya, Paul T Antony, Reena Gulati
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease with multiple etiological factors. Mannose-binding lectin (MBL) plays a key role in innate immunity by activating antibody-independent lectin complement pathway, opsonisation, phagocytosis, and immune complex (IC) clearance. Genetic polymorphisms in the promoter and coding regions of MBL gene affect the circulatory levels and biological activity of MBL. Defects in MBL can lead to defective opsonisation and, hence, hamper clearance of apoptotic debris, the persistence of which can drive autoantibody formation in lupus...
January 17, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28097391/-tapering-and-termination-of-immunosuppressive-therapy-systemic-lupus-erythematosus
#7
REVIEW
M Aringer, N Leuchten, R Fischer-Betz
Similar to patients with other rheumatic diseases, patients with systemic lupus erythematosus (SLE) nowadays can also have the desire to terminate immunosuppressive and immunomodulatory medications. In order to provide appropriate advice to patients, the two main issues are the risk of severe adverse events under long-term therapy with any drug and the perceived risk of a flare, in particular of severe flares. The risks of long-term therapy vary greatly between drugs, ranging from severe unacceptable risks with cyclophosphamide and higher dose glucocorticoids to low risks usually outweighed by long-term benefits with hydroxychloroquine...
January 17, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28097234/kruppel-like-factor4-regulates-prdm1-expression-through-binding-to-an-autoimmune-risk-allele
#8
Su Hwa Jang, Helen Chen, Peter K Gregersen, Betty Diamond, Sun Jung Kim
A SNP identified as rs548234, which is found in PRDM1, the gene that encodes BLIMP1, is a risk allele associated with systemic lupus erythematosus (SLE). BLIMP1 expression was reported to be decreased in women with the PRDM1 rs548234 risk allele compared with women with the nonrisk allele in monocyte-derived DCs (MO-DCs). In this study, we demonstrate that BLIMP1 expression is regulated by the binding of Kruppel-like factor 4 (KLF4) to the risk SNP. KLF4 is highly expressed in MO-DCs but undetectable in B cells, consistent with the lack of altered expression of BLIMP1 in B cells from risk SNP carriers...
January 12, 2017: JCI Insight
https://www.readbyqxmd.com/read/28094303/genetic-polymorphisms-of-rs3077-and-rs9277535-in-hla-dp-associated-with-systemic-lupus-erythematosus-in-a-chinese-population
#9
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
https://www.readbyqxmd.com/read/28093682/association-between-ischemic-heart-disease-and-systemic-lupus-erythematosus-a-large-case-control-study
#10
Abdulla Watad, Arsalan Abu Much, Danielle Bracco, Naim Mahroum, Doron Comaneshter, Arnon D Cohen, Howard Amital
Ischemic heart disease (IHD) is a well identified cause of mortality in systemic lupus erythematosus (SLE) patients due to an accelerated premature atherosclerosis. We investigated the proportion of comorbid IHD among SLE patients derived from a large, national real-life database. Using data from the largest HMO in Israel, the Clalit Health Services, we selected for patients with SLE. These patients were compared with age and sex matched controls with regards to the proportion of IHD in a case-control study...
January 17, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28093332/chitin-and-chitinase-role-in-pathogenicity-allergenicity-and-health
#11
REVIEW
Seema Patel, Arun Goyal
Chitin, a polysaccharide with particular abundance in fungi, nematodes and arthropods is immunogenic. It acts as a threat to other organisms, to tackle which they have been endowed with chitinase enzyme. Even if this enzyme is not present in all organisms, they possess proteins having chitin-binding domain(s) (ChtBD). Many lethal viruses like Ebola, and HCV (Hepatitis C virus) have these domains to manipulate their carriers and target organisms. In keeping with the basic rule of survival, the self-origin (own body component) chitins and chitinases are protective, but that of non-self origin (from other organisms) are detrimental to health...
January 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28091805/correlation-between-systemic-lupus-erythematosus-and-malignancies-a-cross-sectional-population-based-study
#12
Shir Azrielant, Shmuel Tiosano, Abdulla Watad, Naim Mahroum, Aaron Whitby, Doron Comaneshter, Arnon D Cohen, Howard Amital
Autoimmune conditions reflect dysregulation of the immune system; this may be of clinical significance in the development of several malignancies. Previous studies show an association between systemic lupus erythematosus (SLE) and the development of malignancies; however, their investigations into the development of specific malignancies are inconsistent, and their external validity may be questionable. The main objective of this study is to investigate the association between the presence of SLE and various malignancies, in a large-scale population-based study...
January 14, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28089979/quality-of-care-for-systemic-lupus-erythematosus-mind-the-knowledge-gap
#13
Vera Golder, Eric F Morand, Alberta Y Hoi
Systemic lupus erythematosus (SLE) is a prototypical chronic multiorgan autoimmune disorder that can lead to significant burden of disease and loss of life expectancy. The disease burden is the result of a complex interplay between genetic, biologic, socioeconomic, and health system variables affecting the individual. Recent advances in biological understanding of SLE are yet to translate to transformative therapies, and genetic and socioeconomic variables are not readily amenable to intervention. In contrast, healthcare quality, a variable readily amenable to change, has been inadequately addressed in SLE, despite evidence in other chronic diseases that quality of care is strongly associated with patient outcomes...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28089975/in-vitro-fertilization-in-37-women-with-systemic-lupus-erythematosus-or-antiphospholipid-syndrome-a-series-of-97-procedures
#14
Pauline Orquevaux, Agathe Masseau, Véronique Le Guern, Vanessa Gayet, Danièle Vauthier, Gaelle Guettrot-Imbert, Du Le Thi Huong, Bertrand Wechsler, Nathalie Morel, Patrice Cacoub, Jean-Loup Pennaforte, Jean-Charles Piette, Nathalie Costedoat-Chalumeau
OBJECTIVE: To compile and assess data about complication and success rates for in vitro fertilization (IVF) of women with systemic lupus erythematosus (SLE) and/or antiphospholipid syndrome (APS). To date, such data are sparse. METHODS: This retrospective study described women with SLE and/or APS who have had at least 1 IVF cycle. RESULTS: Thirty-seven women with SLE (n = 23, including 8 with antiphospholipid antibodies), SLE with APS (n = 4), or primary APS (n = 10) underwent 97 IVF procedures...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28089970/spatial-working-memory-impairment-in-patients-with-non-neuropsychiatric-systemic-lupus-erythematosus-a-blood-oxygen-level-dependent-functional-magnetic-resonance-imaging-study
#15
Chun-Min Zhu, Ye Ma, Lei Xie, Jin-Zhuang Huang, Zong-Bo Sun, Shou-Xing Duan, Zhi-Rong Lin, Jing-Jing Yin, Hong-Bo Le, Dan-Miao Sun, Wen-Can Xu, Shu-Hua Ma
OBJECTIVE: Using ethology and functional magnetic resonance imaging (fMRI) to explore mild cognitive dysfunction and spatial working memory (WM) impairment in patients with systemic lupus erythematosus (SLE) without overt neuropsychiatric symptoms (non-NPSLE) and to study whether any clinical biomarkers could serve as predictors of brain dysfunction in this disease. METHODS: Eighteen non-NPSLE patients and 18 matched subjects were all tested using the Montreal cognitive assessment scale test and scanned using blood-oxygen-level dependent fMRI while performing the n-back task to investigate the activation intensity of some cognition-related areas...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28089248/triggering-receptor-expressed-on-myeloid-cells-1-trem-1-deficiency-augments-baff-production-to-promote-lupus-progression
#16
Chi-Jui Liu, Chang-Youh Tsai, Ssu-Hsuan Chiang, Shye-Jye Tang, Nien-Jung Chen, Tak Wah Mak, Guang-Huan Sun, Kuang-Hui Sun
Sensing of nucleic acids by pattern recognition receptors is the key for the initiation and development of systemic lupus erythematosus (SLE). Triggering receptor expressed on myeloid cells-1 (TREM-1) is a novel innate immune receptor, which can amplify Toll-like receptor (TLR)-induced inflammatory responses. Although patients with lupus exhibit increased serum levels of soluble TREM-1 (sTREM-1), the role of TREM-1 in SLE remains unknown. In current study, we found serum sTREM-1 levels were significantly increased in lupus patients and positively correlated with disease activity...
January 11, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28079801/acute-necrotizing-retinal-vasculitis-as-onset-of-systemic-lupus-erythematosus-a-case-report
#17
Simeon Monov, Ruska Hristova, Rositza Dacheva, Reni Toncheva, Russka Shumnalieva, Viara Shoumnalieva-Ivanova, Daniela Monova
RATIONALE: Systemic lupus erythematosus (SLE) is a complex autoimmune disease characterized by autoantibody production, complement activation, and deposition of immune complexes in tissues and organs. SLE can involve any region of the visual system. Although ocular manifestations are not part of the classification criteria for SLE, they can be observed in up to one-third of the patients with SLE. They are rarely reported at the time of disease onset. Retinal vasculitis is usually associated with active generalized disease...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079407/noninvasive-evaluation-of-gastric-emptying-and-gastric-wall-thickness-in-sle-patients
#18
Hao-Lin Shen, Shu-Ping Yang, Kang-Jian Wang, Bei-Lei Huang, Wen-Bao Huang, Jin-Zhi Wu, Guo-Rong Lyu
OBJECTIVE: The objective of this study is to evaluate the gastric emptying in patients with systemic lupus erythematosus (SLE) with gastrointestinal involvement using three-dimensional (3D) ultrasonography. METHODS: The gastric emptying times at 25% (T1), 50% (T2), and 75% (T3) of SLE patients with gastrointestinal involvement (n = 40) and healthy controls (n = 80) were evaluated and compared. In addition, the correlations among the gastric wall thickness, SLE disease activity index (SLEDAI), and upper gastrointestinal symptoms were calculated...
January 12, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28077839/atypical-trigeminal-neuralgia-a-rare-neurological-manifestation-of-systemic-lupus-erythematosus
#19
Viki Kumar, Jaspinder Kaur, Pallavi Pothuri, Sahiba Bandagi
BACKGROUND Systemic lupus erythematosus (SLE) is a multisystem autoimmune disorder of unknown etiology which can present at any age with symptoms of mucocutaneous, musculoskeletal, renal, central nervous system, and nonspecific clinical pictures making the disease a "master of mimicry". CASE REPORT A 53-year-old female, who was recently diagnosed with SLE, presented with right-sided sharp and electric shock-like facial pain starting at the side of her right nostril and traveling down the naso-labial fold and then back to the angle of the jaw, mostly in the region of V2-V3 distribution with no radiation beyond trigeminal distribution...
January 12, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28076903/slamf7-engagement-restores-defective-effector-cd8-t-cells-activity-in-response-to-foreign-antigens-in-systemic-lupus-erythematosus
#20
Denis Comte, Maria P Karampetsou, Nobuya Yoshida, Katalin Kis-Toth, Vasileios C Kyttaris, George C Tsokos
OBJECTIVE: Effector CD8+ T cell function is impaired in SLE and associated with compromised ability to fight infections. SLAMF7 engagement has been shown to enhance NK cell degranulation. Thus, we characterized the expression and function of SLAMF7 on CD8+ T cells subsets isolated from peripheral blood of SLE patients and healthy subjects. METHODS: CD8+ T cell subset distribution, SLAMF7 expression and cytolytic enzyme expression (perforin, GzmA, GzmB) were monitored on cells isolated from SLE patients and healthy controls by flow cytometry...
January 11, 2017: Arthritis & Rheumatology
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