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https://www.readbyqxmd.com/read/29136041/profiling-analysis-of-circulating-microrna-in-peripheral-blood-of-patients-with-class-iv-lupus-nephritis
#1
Elkin Navarro-Quiroz, Lisandro Pacheco-Lugo, Roberto Navarro-Quiroz, Hernan Lorenzi, Pierine España-Puccini, Yirys Díaz-Olmos, Lisneth Almendrales, Valeria Olave, Henry Gonzalez-Torres, Anderson Diaz-Perez, Alex Dominguez, Antonio Iglesias, Raul García, Gustavo Aroca-Martinez
Renal involvement in Systemic Lupus Erythematous (SLE) patients is one of the leading causes of morbidity and a significant contributor to mortality. It's estimated that nearly 50% of SLE individuals develop kidney disease in the first year of the diagnosis. Class IV lupus nephritis (LN-IV) is the class of lupus nephritis most common in Colombian patients with SLE. Altered miRNAs expression levels have been reported in human autoimmune diseases including lupus. Variations in the expression pattern of peripheral blood circulating miRNAs specific for this class of lupus nephritis could be correlated with the pathophysiological status of this group of individuals...
2017: PloS One
https://www.readbyqxmd.com/read/29126301/coagulation-testing-in-the-core-laboratory
#2
William E Winter, Sherri D Flax, Neil S Harris
Primary hemostasis begins with endothelial injury. VWF, produced by endothelial cells, binds to platelets and links them to subendothelial collagen. Platelet-derived ADP and thromboxane activate non-adhered platelets via their GPIIb/IIIa receptors, allowing these platelets to participate in platelet aggregation. Secondary hemostasis is initiated with the binding of factor VII to extravascular tissue factor (TF). Factors II, VII, IX and X are vitamin K-dependent factors. The role of vitamin K is to assist in the addition of gamma carboxylate groups to glutamic acids in the "GLA" domains of these factors...
November 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29120579/expression-of-cd64-on-surface-of-circulating-monocytes-in-systemic-lupus-erythematosus-patients-relation-to-disease-activity-and-lupus-nephritis
#3
Yasser A Abd-Elhamid, Refaat M Eltanawy, Rasha M Fawzy, Nehad A Fouad, Ann M Atlm
CD64 is a type of integral membrane glycoprotein known as FC receptor that binds monomeric IgG-type antibodies with high affinity. It is more commonly known as FC gamma receptor 1 (FC?R1) and it is expressed on monocytes surface. The goal of this study was to investigate the association of CD64 expression on the surface of peripheral blood monocytes of systemic lupus erythematosus patients with disease activity, and lupus nephritis. 30 SLE patients were enrolled into this study. They were subdivided into: 15 SLE patients with lupus nephritis and 15 SLE patients without lupus nephritis...
January 2017: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/29114699/glomerulonephritis-disease-pattern-at-saudi-tertiary-care-center
#4
Khalid I AlMatham, Ali F AlFayez, Raghdah A AlHarthi, Falah S AlMutairi, Fahad S Alrasheedi, Abdulrehman Mustafa, Mustafa Ahmed, Basim A AlMatouq, Fadil A AlRowaei
To assess changes in the pattern of glomerular diseases to help guide optimal allocation of resources, to focus future reasearch, and improve outcomes. Methods: A retrospective chart review was conducted on kidney biopsies taken between 2007 and 2016 at a single tertiary care center in Saudi Arabia (King Fahad Medical City, Riyadh) to evaluate the prevalence and pattern of glomerulonephritis (GN). Results: The most common primary GN in 102 biopsies from adult patients with a mean age of 28.9 ± 13.6 years and 40...
November 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/29109423/transcriptomic-profiling-in-human-mesangial-cells-using-patient-derived-lupus-autoantibodies-identified-mir-10a-as-a-potential-regulator-of-il8
#5
Pattarin Tangtanatakul, Boonyakiat Thammasate, Alain Jacquet, Rangsima Reantragoon, Trairak Pisitkun, Yingyos Avihingsanon, Asada Leelahavanichkul, Nattiya Hirankarn
Autoantibody-mediated inflammation directed at resident kidney cells mediates lupus nephritis (LN) pathogenesis. This study investigated the role of miRNA in human mesangial cells (HMCs) stimulated with auto anti-dsDNA immunoglobulin (Ig)G antibodies. HMCs were treated with antibodies purified from active LN patients or non-specific IgG controls in the presence of normal serum. Aberrant miRNA was screened using high throughput sequencing. Anti-dsDNA IgG up-regulated 103 miRNAs and down-regulated 30 miRNAs. The miRNAs regulated genes in the cell cycle, catabolic processes, regulation of transcription and apoptosis signalling...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29105558/comparison-of-disease-activity-between-tacrolimus-and-mycophenolate-mofetil-in-lupus-nephritis-a-randomized-controlled-trial
#6
N Kamanamool, A Ingsathit, S Rattanasiri, P Ngamjanyaporn, N Kasitanont, R Chawanasuntorapoj, W Pichaiwong, S Anutrakulchai, P Sangthawan, V Ophascharoensuk, Y Avihingsanon, V Sumethkul
We conducted a prospective multicenter, opened-label, parallel, randomized, controlled trial to compare tacrolimus (TAC) and mycophenolate mofetil (MMF) for induction and maintenance therapy in lupus nephritis (LN). Adult patients with biopsy-proven LN International Society of Nephrology/Renal Pathology Society classes III-V and active nephritis were to receive prednisolone (0.7-1.0 mg/kg/day for four weeks of run-in period and tapered) and randomly assigned to receive TAC (0.1 mg/kg/day) or MMF (1.5-2 g/day) as induction therapy for six months...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/29101552/long-term-renal-outcome-in-pediatric-glomerulonephritis-associated-with-crescent-formation
#7
Pornpimol Rianthavorn, Manunya Chacranon
BACKGROUND: Information on long-term renal outcome of pediatric glomerulonephritis associated with crescent formation is limited. A single center retrospective study was conducted to assess long-term renal survival and to determine whether the 2010 classification for antineutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis can predict renal outcome in pediatric glomerulonephritis associated with crescent formation. METHODS: Biopsy and clinical data of children, aged ≤ 18 years with ≥ 10 glomeruli and ≥ 10% crescentic glomeruli during January 1998 to December 2015, were reviewed...
November 3, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29089046/the-novel-isoxazoline-ectoparasiticide-lotilaner-credelio%C3%A2-a-non-competitive-antagonist-specific-to-invertebrates-%C3%AE-aminobutyric-acid-gated-chloride-channels-gabacls
#8
Lucien Rufener, Vanessa Danelli, Daniel Bertrand, Heinz Sager
BACKGROUND: The isoxazolines are a novel class of parasiticides that are potent inhibitors of γ-aminobutyric acid (GABA)-gated chloride channels (GABACls) and, to a lesser extent, of inhibitory glutamate-gated chloride channels (GluCls). Lotilaner (Credelio™), a novel representative of this chemical class, is currently evaluated for its excellent ectoparasiticide properties. METHODS: In this study, we investigated the molecular mode of action and pharmacology of lotilaner...
November 1, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29081653/drug-utilization-and-therapy-provision-patterns-by-prescriber-types-among-patients-with-systemic-lupus-erythematosus-in-korea
#9
Sooyoung Shin
BACKGROUND: Systemic lupus erythematosus (SLE) poses a growing challenge for healthcare systems, affecting an increasing number of people in Korea. This study aimed to investigate the prescribing patterns of SLE therapies and to compare common drug regimens prescribed by provider types. METHODS: Sampled national health insurance claims data in 2015 were used to select eligible SLE patients. Frequency analyses were carried out regarding patient characteristics related to relevant SLE prescriptions...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/29078849/association-between-major-histocompatibility-complex-class-i-chain-related-gene-polymorphisms-and-susceptibility-of-systemic-lupus-erythematosus
#10
Ping Yu, Quan Zhu, Chunjing Chen, Xiaoling Fu, Yu Li, Limin Liu, Qizhi Luo, Fuyan Wang, Yong Wang
BACKGROUND: Major histocompatibility complex class I chain-related gene (MIC) polymorphisms have been associated with many autoimmune diseases. To explore the correlation between MIC polymorphisms and systemic lupus erythematosus (SLE), we compared the sequence of the MIC gene in Han Chinese patients with SLE from Hainan Island, China, with healthy individuals. METHODS: In this study, the MIC polymorphisms in 296 subjects (159 patients with SLE and 137 healthy volunteers) of Han ethnicity from Hainan Island were characterized...
October 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29075868/-secukinumab-induced-subacute-cutaneous-lupus-erythematosus
#11
C Wehrmann, W Sondermann, A Körber
We report about a 52-year-old woman with onset of drug-induced lupus erythematosus (DILE) in sun-exposed areas, under therapy with secukinumab. Topical therapy with a steroid class 3 for 4 weeks showed substantial improvement. The systemic therapy was switched to ustekinumab. DILE is a rare but notable side effect of biologicals in 0.5-1% of the patients and also possible under therapy with IL-17 inhibition. Switch of the biological agent is necessary in most cases.
October 26, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29055427/do-ancas-make-the-difference-in-lupus-nephritis
#12
Kerstin Amann
There has been much debate as to whether the distinction between lupus nephritis class IV-S and class IV-G is clinically relevant and whether antineutrophil cytoplasmic antibodies are pathomechanistically involved because they have been associated with the more necrotic and pauci-inflammatory phenotype of lupus nephritis that is more often seen in class IV-S. Recent data show that antineutrophil cytoplasmic antibody positivity indeed influences the histological pattern of lupus nephritis and is associated with worse baseline renal function and more active lupus serology...
November 2017: Kidney International
https://www.readbyqxmd.com/read/29050536/the-correlation-of-urinary-podocytes-and-podocalyxin-with-histological-features-of-lupus-nephritis
#13
D Ikuma, K Hiromura, H Kajiyama, J Suwa, H Ikeuchi, T Sakairi, Y Kaneko, A Maeshima, H Kurosawa, Y Hirayama, K Yokota, Y Araki, K Sato, Y F Asanuma, Y Akiyama, M Hara, Y Nojima, T Mimura
Objectives The objective of this study was to test the correlation of urinary podocyte number (U-Pod) and urinary podocalyxin levels (U-PCX) with histology of lupus nephritis. Methods This was an observational, cross-sectional study. Sixty-four patients were enrolled: 40 with lupus nephritis and 24 without lupus nephritis (12 lupus nephritis patients in complete remission and 12 systemic lupus erythematosus patients without lupus nephritis). Urine samples were collected before initiating treatment. U-Pod was determined by counting podocalyxin-positive cells, and U-PCX was measured by sandwich ELISA, normalized to urinary creatinine levels (U-Pod/Cr, U-PCX/Cr)...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28992399/a-rapid-evaluation-of-activity-in-lupus-lfa-real-%C3%A2-correlates-with-more-complex-disease-activity-instruments-whether-evaluated-by-clinical-investigators-or-real-world-clinicians
#14
Anca D Askanase, Samantha C Nguyen, Karen Costenbader, S Sam Lim, Diane Kamen, Cynthia Aranow, Jennifer Grossman, Teja M Kapoor, DeAnna Baker-Frost, Teresa Aberle, Aikaterini Thanou-Stavraki, Leslie M Hanrahan, Mimi Kim, Joan T Merrill
Lupus disease measures such as the SLE Disease Activity Index (SLEDAI) and the British Isles Lupus Assessment Group (BILAG) Index are challenging to interpret. The Lupus Foundation of America-Rapid Evaluation of Activity in Lupus (LFA-REAL) is intended to provide an efficient application of anchored visual analogue scores, each representing the individual severity of active symptoms, with the sum of individual scores deriving an overall disease activity assessment. OBJECTIVES: To compare the performance of LFA-REAL to SLE disease activity assessments and compare scores between trained lupus clinical investigators and clinicians...
October 9, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28990106/identification-of-key-genes-for-diabetic-kidney-disease-using-biological-informatics-methods
#15
Fuzhe Ma, Tao Sun, Meiyan Wu, Wanning Wang, Zhonggao Xu
Diabetic kidney disease (DKD) is a common complication of diabetes, which is characterized by albuminuria, impaired glomerular filtration rate or a combination of the two. The aim of the present study was to identify the potential key genes involved in DKD progression and to subsequently investigate the underlying mechanism involved in DKD development. The array data of GSE30528 including 9 DKD and 13 control samples was downloaded from the Gene Expression Omnibus database. The differentially expressed genes (DEGs) in DKD glomerular and tubular kidney biopsy tissues were compared with normal tissues, and were analyzed using the limma package...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28988406/low-level-of-circulating-basophil-counts-in-biopsy-proven-active-lupus-nephritis
#16
Peifen Liang, Ying Tang, Liu Lin, Haowen Zhong, Hui Yang, Yuchun Zeng, Jun Lv, Xiaomei Li, Yanying Lu, Anping Xu
Basophils have been shown to be important players in promoting lupus nephritis (LN). However, the relationship between circulating basophil counts and renal pathology activity of LN remains unclear. In this retrospective study, 159 clinical and pathology samples from patients with biopsy-proven LN were analyzed. The renal activity and classification were evaluated according to renal pathology. The correlations between circulating basophil counts and renal pathology activity index were assessed. Overall, circulating basophil counts correlated with total systemic lupus erythematosus disease activity index (SLEDAI) score (r = - 0...
October 8, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28987592/cathepsin-s-inhibition-suppresses-autoimmune-triggered-inflammatory-responses-in-macrophages
#17
Sophia Thanei, Michel Theron, Ana Patricia Silva, Bernhard Reis, Leonore Branco, Lucia Schirmbeck, Fabrice A Kolb, Wolfgang Haap, Thomas Schindler, Marten Trendelenburg
In several types of antigen-presenting cells (APCs), Cathepsin S (CatS) plays a crucial role in the regulation of MHC class II surface expression and consequently influences antigen (Ag) presentation of APCs to CD4(+) T cells. During the assembly of MHC class II-Ag peptide complexes, CatS cleaves the invariant chain p10 (Lip10) - a fragment of the MHC class II-associated invariant chain peptide. In this report, we used a selective, high-affinity CatS inhibitor to suppress the proteolytic activity of CatS in lymphoid and myeloid cells...
October 4, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28978850/recent-topics-in-imids-and-cereblon
#18
Takumi Ito, Hiroshi Handa
Immunomodulatory drugs (IMiDs) are a new class of anticancer compounds that are derived from thalidomide. Lenalidomide and pomalidomide are well-known IMiDs, and they have already been approved by FDA for the treatment of several diseases, including multiple myeloma. Cereblon (CRBN) is a common primary target for IMiDs. It works as a substrate receptor of CRL4. Accumulating evidence has shown that the substrate specificity of CRL4(CRBN) is altered by ligands such as IMiDs. Recently, novel CRBN-binding compounds have been developed and are called "cereblon modulators"...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28976997/transcription-analysis-of-the-responses-of-porcine-heart-to-erysipelothrix-rhusiopathiae
#19
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/28976051/coagulopathy-as-a-complication-of-kidney-biopsies-in-paediatric-systemic-lupus-erythematosus-patients-with-antiphospholipid-syndrome
#20
Hiroko Nagata, Mai Sato, Masao Ogura, Takahisa Yoshikawa, Kazuna Yamamoto, Sohshi Matsumura, Yuji Kano, Ken Saida, Mayumi Sako, Koichi Kamei, Takako Yoshioka, Kentaro Ogata, Shuichi Ito, Kenji Ishikura
Children with systemic lupus erythematosus (SLE) generally undergo a pretreatment kidney biopsy. However, some of these patients, especially those with antiphospholipid syndrome (APS), may experience serious coagulopathic complications. We report herein two cases of paediatric SLE with APS in which, despite normal blood test results, the disparate coagulopathic complications of haemorrhage and embolism developed following a kidney biopsy. Case 1 was, an 8-year-old male in whom, primary APS was initially diagnosed...
October 4, 2017: Nephrology
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