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Systemic lupus erythematosus

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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
#1
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
#2
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/28097289/binding-of-cll-subset-4-b-cell-receptor-immunoglobulins-to-viable-human-memory-b-lymphocytes-requires-a-distinctive-igkv-somatic-mutation
#3
Rosa Catera, Yun Liu, Chao Gao, Xiao-Jie Yan, Amanda Magli, Steven L Allen, Jonathan E Kolitz, Kanti R Rai, Charles C Chu, Ten Feizi, Kostas Stamatopoulos, Nicholas Chiorazzi
Amino acid replacement mutations in certain CLL stereotyped B-cell receptor (BCR) immunoglobulins (IGs) at defined positions within antigen-binding sites strongly imply antigen selection. Prime examples of this are CLL subset 4 BCR IGs using IGHV4-34/IGHD5-18/IGHJ6 and IGKV2-30/IGKJ2 rearrangements. Conspicuously and unlike most CLL IGs, subset 4 IGs do not bind apoptotic cells. By testing the (auto)antigenic reactivities of subset 4 IGs toward viable lymphoid-lineage cells and specific autoantigens typically bound by IGHV4-34(+) IGs, we found IGs from both subset 4 and non-subset 4 IGHV4-34-expressing CLL cases bind naïve B cells...
January 12, 2017: Molecular Medicine
https://www.readbyqxmd.com/read/28097234/kruppel-like-factor4-regulates-prdm1-expression-through-binding-to-an-autoimmune-risk-allele
#4
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/28095319/autophagy-and-autoimmunity
#5
REVIEW
Dennis J Wu, Iannis E Adamopoulos
Autophagy is a highly conserved protein degradation pathway from yeasts to humans that is essential for removing protein aggregates and misfolded proteins in healthy cells. Recently, autophagy-related genes polymorphisms have been implicated in several autoimmune diseases including systemic lupus erythematosus, rheumatoid arthritis, psoriasis, and multiple sclerosis. Numerous studies reveal autophagy and autophagy-related proteins also participate in immune regulation. Conditional deletions of autophagy-related proteins in mice have rendered protection from experimental autoimmune encephalomyelitis, and TNF-mediated joint destruction in animal models of multiple sclerosis and experimental arthritis respectively...
January 14, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28094755/profile-of-initial-drug-therapy-in-paediatric-systemic-lupus-erythematosus-in-finland-2000-2007
#6
Pia Elfving, Kari Puolakka, Hannu Kautiainen, Lauri J Virta, Timo Pohjolainen, Oili Kaipiainen-Seppänen
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January 15, 2017: Clinical and Experimental 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
#7
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
#8
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/28093526/cathepsin-k-deficiency-ameliorates-systemic-lupus-erythematosus-like-manifestations-in-faslpr-mice
#9
Yi Zhou, Huimei Chen, Li Liu, Xueqing Yu, Galina K Sukhova, Min Yang, Vasileios C Kyttaris, Isaac E Stillman, Bruce Gelb, Peter Libby, George C Tsokos, Guo-Ping Shi
Cysteinyl cathepsin K (CatK) is expressed in osteoclasts to mediate bone resorption, but is also inducible under inflammatory conditions. Fas(lpr) mice on a C57BL/6 background develop spontaneous systemic lupus erythematosus-like manifestations. Although normal mouse kidneys expressed negligible CatK, those from Fas(lpr) mice showed elevated CatK expression in the glomeruli and tubulointerstitial space. Fas(lpr) mice also showed elevated serum CatK levels. CatK deficiency in Fas(lpr) mice reduced all tested kidney pathologies, including glomerulus and tubulointerstitial scores, glomerulus complement C3 and IgG deposition, chemokine expression and macrophage infiltration, and serum autoantibodies...
January 16, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28092260/-down-syndrome-and-heart-block-secondary-to-neonatal-lupus
#10
Carla Lucila Illana-Bravo, Socorro Méndez-Martínez, María Enriqueta Juan-Martínez
In Down syndrome, so far, has not been reported it's association with congenital heart block, this entity is rare and occurred in only 1% of mothers who have systemic lupus erythematosus, the presence of anti-Ro antibodies cross the placenta presenting neonatal lupus with skin lesions and congenital heart block, bradycardia, which is why we describe the following case. This is a new male end product of asymptomatic young mother, but serological birth with stigmata of Down syndrome, birth presents congenital bradycardia rare manifestation abnormalities, but common in children of mothers with lupus are initiated study protocol, realizing you including laboratory tests and immunological studies cabinet as electrocardiogram and echocardiogram, which gave tone to take the mother immunological studies, being positive antiRo...
January 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28091805/correlation-between-systemic-lupus-erythematosus-and-malignancies-a-cross-sectional-population-based-study
#11
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
#12
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
#13
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
#14
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
#15
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/28088248/the-spectrum-of-rheumatic-in-patient-diagnoses-at-a-pediatric-hospital-in-kenya
#16
Angela Migowa, Inés Colmegna, Carol Hitchon, Eugene Were, Evelyn Ng'ang'a, Thomas Ngwiri, John Wachira, Sasha Bernatsky, Rosie Scuccimarri
BACKGROUND: Pediatric rheumatic diseases are chronic illnesses that can cause considerable disease burden to children and their families. There is limited epidemiologic data on these diseases in East Africa. The aim of this study was to assess the spectrum of pediatric rheumatic diagnoses in an in-patient setting and determine the accuracy of ICD-10 codes in identifying these conditions. METHODS: Medical records from Gertrude's Children's Hospital in Kenya were reviewed for patients diagnosed with "diseases of the musculoskeletal system and connective tissue" as per ICD-10 diagnostic codes assigned at discharge between January and December 2011...
January 14, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28086003/medication-non-adherence-in-systemic-lupus-erythematosus-a-systematic-review
#17
Pavandeep Mehat, Mohammad Atiquzzaman, John M Esdaile, Antonio Avina-Zubieta, Mary A De Vera
OBJECTIVE: Medication non-adherence has not been well characterized in systemic lupus erythematosus (SLE). Our objective was to a conduct a systematic review of the literature examining the burden and determinants of medication non-adherence in SLE. METHODS: We conducted a systematic search of MEDLINE (1946-2015), EMBASE (1974-2015), and WEB OF SCIENCE (1900-2015) databases and selected original studies of SLE patients that evaluated non-adherence to SLE therapies as the primary study outcome...
January 13, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28085957/25-hydroxivitamin-d-serum-concentration-not-free-and-bioavailable-vitamin-d-is-associated-with-disease-activity-in-systemic-lupus-erythematosus-patients
#18
Marina Eloi, Daniela Vargas Horvath, João Carlos Ortega, Mônica Simon Prado, Luis Eduardo Coelho Andrade, Vera Lúcia Szejnfeld, Charlles Heldan de Moura Castro
We aim to evaluate the prevalence of vitamin D deficiency in patients with systemic lupus erythematosus (SLE) and investigate the association between total, free and bioavailable vitamin D serum concentrations and disease activity. Patients with SLE (ACR 1997) consecutively seen at UNIFESP's outpatient's clinics had disease activity measured after clinical and laboratory evaluation using SLEDAI (Systemic Lupus Erythematosus Disease Activity Index). 25-hydroxyvitamin D (25(OH)D) serum concentrations measured by chemiluminescence and vitamin D binding protein (DBP) measured by ELISA were used to calculate free and bioavailable vitamin D...
2017: PloS One
https://www.readbyqxmd.com/read/28085900/genome-wide-dna-methylation-analysis-of-chinese-patients-with-systemic-lupus-erythematosus-identified-hypomethylation-in-genes-related-to-the-type-i-interferon-pathway
#19
Kit San Yeung, Brian Hon-Yin Chung, Sanaa Choufani, Mo Yin Mok, Wai Lap Wong, Christopher Chun Yu Mak, Wanling Yang, Pamela Pui Wah Lee, Wilfred Hing Sang Wong, Yi-An Chen, Daria Grafodatskaya, Raymond Woon Sing Wong, Chak Sing Lau, Daniel Tak Mao Chan, Rosanna Weksberg, Yu-Lung Lau
BACKGROUND: Epigenetic variants have been shown in recent studies to be important contributors to the pathogenesis of systemic lupus erythematosus (SLE). Here, we report a 2-step study of discovery followed by replication to identify DNA methylation alterations associated with SLE in a Chinese population. Using a genome-wide DNA methylation microarray, the Illumina Infinium HumanMethylation450 BeadChip, we compared the methylation levels of CpG sites in DNA extracted from white blood cells from 12 female Chinese SLE patients and 10 healthy female controls...
2017: PloS One
https://www.readbyqxmd.com/read/28083794/a-case-report-of-widespread-majocchi-s-granuloma-in-a-patient-with-systemic-lupus-erythematosus
#20
Sitong Zhou, Yemei Yang, Kangxing Liu, Shiyun Huang, Yongxuan Hu, Xianyi Zhou
Majocchi's granuloma is an intracutaneous or subcutaneous granulomatous inflammation caused by invasion of dermatophytic fungus, especially Trichophyton rubrum. This type of lesion is misdiagnosed frequently without proper auxiliary examination. Here, we report a case of widespread Majocchi's granuloma caused by T. rubrum in a 35-year-old woman with systemic lupus erythematosus for 9 years. The patient was initially misdiagnosed as SLE-associated skin lesions, which delayed her treatment and resulted in severe multiple disseminated lesions...
January 12, 2017: Mycopathologia
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