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"Membranous Nephropathy"

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https://www.readbyqxmd.com/read/28530079/-kidney-diseases-in-north-israel-according-to-kidney-biopsies-bnai-zion-medical-center-14-years-experience
#1
Shimon Storch, Nadav Willner, Aurora Toubi, Simona Croitoru, Vladimir Wolfson, Ibrahim Matar, Elinor Grushka, Majed Odeh, Efrat Wolfovits, Elad Schiff, Yitzhak Rosner, Elias Toubi, Aharon Kessel, Ofer Ben Izhak, Boaz Moskovitz, Ofer Nativ
INTRODUCTION: Little is known about the prevalence of kidney diseases according to renal biopsy in Israel. Since updated literature worldwide emphasizes changing etiologies of chronic kidney disease, it is crucial to research and define the epidemiology and pathology of kidney disease in Israel. Hereby, we introduce an original review of the prevalence of kidney diseases in our study population, which we believe reflects the prevalence of kidney diseases in the population of Israel. AIMS: To investigate the prevalence of kidney diseases diagnosed by renal biopsy, according to age, gender, race and clinical symptoms...
September 2016: Harefuah
https://www.readbyqxmd.com/read/28522940/potential-urine-proteomics-biomarkers-for-primary-nephrotic-syndrome
#2
Young Wook Choi, Yang Gyun Kim, Min-Young Song, Ju-Young Moon, Kyung-Hwan Jeong, Tae-Won Lee, Chun-Gyoo Ihm, Kang-Sik Park, Sang-Ho Lee
BACKGROUND: Nephrotic syndrome (NS) is a nonspecific kidney disorder, commonly caused by minimal change disease (MCD), focal segmental glomerulosclerosis (FSGS), and membranous nephropathy (MN). Here we analyzed urinary protein profiles, aiming to discover disease-specific biomarkers of these three common diseases in NS. METHODS: Sixteen urine samples were collected from patients with biopsy-proven NS and healthy controls. After removal of high-abundance proteins, the urinary protein profile was analyzed by LC-MS/MS to generate a discovery set...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28515156/anti-glomerular-basement-membrane-disease
#3
Stephen P McAdoo, Charles D Pusey
Anti-glomerular basement membrane (anti-GBM) disease is a rare small vessel vasculitis that affects the capillary beds of the kidneys and lungs. It is an archetypic autoimmune disease, caused by the development of directly pathogenic autoantibodies targeting a well characterized autoantigen expressed in the basement membranes of these organs, although the inciting events that induce the autoimmune response are not fully understood. The recent confirmation of spatial and temporal clustering of cases suggests that environmental factors, including infection, may trigger disease in genetically susceptible individuals...
May 17, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28508981/partial-remission-by-cyclosporine-monotherapy-in-a-patient-with-membranous-nephropathy-superimposed-diabetic-nephropathy
#4
Yoshiyuki Oshiro, Hisataka Tanaka, Fumiko Kawasaki, Niro Okimoto
It has been noted that cyclosporine A (CsA) is an effective drug for membranous nephropathy (MN). Diabetes is a common disease that sometimes causes nephrotic syndrome. We report the case of an 89-year-old woman with type 2 diabetes mellitus who exhibited nephrotic syndrome. Examination of a renal biopsy indicated MN and she was prescribed CsA as monotherapy. Her edema subsided and she achieved partial remission. This is the first report of a patient in diabetic condition with MN having achieved partial remission after CsA monotherapy without steroid therapy...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28490696/-diagnostic-value-of-renal-phospholipase-a2-receptor-and-serum-anti-phospholipase-a2-receptor-antibody-in-membranous-nephropathy
#5
Xiaoxiang Wu, Si Wen, Xuejing Zhu, Shuguang Yuan, Xiangqing Xu, Danyi Yang, Lin Sun, Hong Liu, Fuyou Liu
To examine the expression of phospholipase A2 receptor (PLA2R) in renal tissues and the level of anti-PLA2R antibody in serum in patients with idiopathic membranous nephropathy (IMN) and secondary membranous nephropathy (SMN), and to evaluate their diagnostic value in IMN.
 Methods: A total of 73 patients, who were diagnosed between May, 2014 and February, 2015 in the Department of Nephrology of the Second Xiangya Hospital, Central South University, were divided into three groups: an IMN group (n=48), an SMN group (n=17) and a minimal change disease group (n=8) according to the renal biopsy...
April 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28488220/pla2r-positive-primary-membranous-nephropathy-in-a-child-with-ipex-syndrome
#6
Teresa Chuva, Frederick Pfister, Ortraud Beringer, Kerstin Felgentreff, Maike Büttner-Herold, Kerstin Amann
BACKGROUND: Immunodysregulation, polyendocrinopathy, enteropathy, X-linked (IPEX) syndrome is a rare primary immunodeficiency syndrome characterized by the development of multiple autoimmune disorders in affected individuals. Different forms of renal injury have been reported in IPEX syndrome, and membranous nephropathy (MN) is among the most common glomerulopathies found. However, the exact pathogenesis of MN in this setting has not been elucidated, and it is not clear whether it is part of the clinical spectrum of the disease or secondary to medications, infections or other concomitant insults...
May 9, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28487867/non-ischemic-cardiomyopathy-after-rituximab-treatment-for-membranous-nephropathy
#7
Wisit Cheungpasitporn, Stephen L Kopecky, Ulrich Specks, Kharmen Bharucha, Fernando C Fervenza
Rituximab is an anti-CD20 monoclonal antibody frequently used for the treatment of non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis (RA), and anti-neutrophilic cytoplasmic antibody (ANCA)-associated vasculitis. In addition, rituximab has recently been increasingly used as an off-label treatment in a number of inflammatory and systemic autoimmune diseases. It is advised that rituximab infusion may cause infusion reactions and adverse cardiac effects including arrhythmia and angina, especially in patients with prior history of cardiovascular diseases...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28487395/safety-of-rituximab-compared-with-steroids-and-cyclophosphamide-for-idiopathic-membranous-nephropathy
#8
Jan A J G van den Brand, Piero Ruggenenti, Antonietta Chianca, Julia M Hofstra, Annalisa Perna, Barbara Ruggiero, Jack F M Wetzels, Giuseppe Remuzzi
Guidelines recommend steroid plus cyclical cyclophosphamide (St-Cp) therapy for patients with idiopathic membranous nephropathy at high risk of progression to ESRD. Rituximab (Rtx) may be a safer alternative. In this retrospective, observational cohort study, we compared time to any adverse event (primary outcome); serious or nonserious events; partial and complete remission of the nephrotic syndrome; and a composite of doubling of serum creatinine, ESRD, or death between 100 Rtx-treated patients and 103 patients who received daily St-Cp We monitored patients with standardized protocols and adjusted for baseline characteristics by Cox regression...
May 9, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28476557/podocytes-regulate-the-glomerular-basement-membrane-protein-nephronectin-by-means-of-mir-378a-3p-in-glomerular-diseases
#9
Janina Müller-Deile, Jan Dannenberg, Patricia Schroder, Meei-Hua Lin, Jeffrey H Miner, Rongjun Chen, Jan-Hinrich Bräsen, Thomas Thum, Jenny Nyström, Lynne Beverly Staggs, Hermann Haller, Jan Fiedler, Johan M Lorenzen, Mario Schiffer
The pathophysiology of many proteinuric kidney diseases is poorly understood, and microRNAs (miRs) regulation of these diseases has been largely unexplored. Here, we tested whether miR-378a-3p is a novel regulator of glomerular diseases. MiR-378a-3p has two predicted targets relevant to glomerular function, the glomerular basement membrane matrix component, nephronectin (NPNT), and vascular endothelial growth factor VEGF-A. In zebrafish (Danio rerio), miR-378a-3p mimic injection or npnt knockdown by a morpholino oligomer caused an identical phenotype consisting of edema, proteinuria, podocyte effacement, and widening of the glomerular basement membrane in the lamina rara interna...
May 2, 2017: Kidney International
https://www.readbyqxmd.com/read/28475647/regulation-of-ste20-like-kinase-slk-activity-dimerization-and-activation-segment-phosphorylation
#10
Andrey V Cybulsky, Julie Guillemette, Joan Papillon, Nihad T Abouelazm
The Ste20-like kinase, SLK, has diverse cellular functions. SLK mediates organ development, cell cycle progression, cytoskeletal remodeling, cytokinesis, and cell survival. Expression and activity of SLK are enhanced in renal ischemia-reperfusion injury, and overexpression of SLK was shown to induce apoptosis in cultured glomerular epithelial cells (GECs) and renal tubular cells, as well as GEC/podocyte injury in vivo. The SLK protein consists of a N-terminal catalytic domain and an extensive C-terminal domain, which contains coiled-coils...
2017: PloS One
https://www.readbyqxmd.com/read/28471980/characteristics-of-diabetic-nephropathy-patients-without-diabetic-retinopathy-a-retrospective-observational-study
#11
Xiao-Qian Li, Xin Zheng, Min Chen, Ming-Hui Zhao
The purpose of the current study was to investigate the characteristics of patients with diabetic nephropathy (DN) without diabetic retinopathy (DR).One hundred four patients with biopsy-proven DN, and 52 patients with diabetes mellitus (DM) without DR who were diagnosed as membranous nephropathy by renal biopsy were retrospectively included. We compared the clinical and laboratory parameters of DN patients with and without DR. Furthermore, among the DM patients without DR, we compared those with DN and with membranous nephropathy...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445873/pregnancy-outcomes-in-patients-with-glomerular-disease-attending-a-single-academic-center-in-north-carolina
#12
Michelle M O'Shaughnessy, Meghan A Jobson, Katy Sims, Abigail L Liberty, Patrick H Nachman, William F Pendergraft
BACKGROUND: Contemporary data regarding pregnancy outcomes in US patients with primary glomerular diseases are lacking. We aimed to report fetal and maternal outcomes among women with biopsy-proven primary glomerular disease who received obstetric care at a single large academic US center. METHODS: All women with a biopsy-confirmed primary glomerular disease diagnosis and without end-stage kidney disease who received obstetric care at the University of North Carolina (UNC) Hospitals (1996-2015) were identified using the Glomerular Disease Collaborative Network registry and the UNC Hospitals Perinatal Database...
2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28441404/angiopoietin-like-4-and-minimal-change-disease
#13
Gabriel Cara-Fuentes, Alfons Segarra, Cecilia Silva-Sanchez, Heiman Wang, Miguel A Lanaspa, Richard J Johnson, Eduardo H Garin
BACKGROUND: Minimal Change Disease (MCD) is the most common type of nephrotic syndrome in children. Angiopoietin-like-4 (Angplt4) has been proposed as mediator of proteinuria in MCD. The aim of this study was to evaluate the role of Angptl4 as a biomarker in MCD. METHODS: Patients with biopsy-proven primary MCD, focal segmental glomerulosclerosis, membranous nephropathy (60, 52 and 52 respectively) and 18 control subjects had urinary and serum Angptl4 measured by Elisa...
2017: PloS One
https://www.readbyqxmd.com/read/28425160/causes-of-nephrotic-syndrome-and-nephrotic-range-proteinuria-are-different-in-adult-chinese-patients-a-single-centre-study-over-33%C3%A2-years
#14
Jack Kit-Chung Ng, Terry King-Wing Ma, Fernand Mac-Moune Lai, Kai Ming Chow, Bonnie Ching-Ha Kwan, Chi Bon Leung, Philip Kam-To Li, Cheuk Chun Szeto
BACKGROUND: The reported causes of nephrotic syndrome (NS) varied between different countries. Less is known about the causes of nephrotic-range proteinuria (NPU). METHODS: In this single-centre, retrospective study of adult patients who underwent renal biopsy between 1983-2015 in a tertiary referral hospital in Hong Kong, we aimed to evaluate the underlying causes of NS and NPU. We also determined the distribution of histopathological diagnoses with regard to the age subgroups and time periods RESULTS: Among 7,456 patients who underwent renal biopsy, 982 and 838 patients had NS and NPU, respectively...
April 20, 2017: Nephrology
https://www.readbyqxmd.com/read/28413416/immunohistochemical-glomerular-expression-of-phospholipase-a2-receptor-in-primary-and-secondary-membranous-nephropathy-a-retrospective-study-in-an-indian-cohort-with-clinicopathological-correlations
#15
Sanjeet Roy, Anila Korula, Gopal Basu, Shibu Jacob, Santosh Varughese, Veeraswamy Tamilarasi
BACKGROUND: Limited published literature exists on the utility and standardization of anti-phospholipase A2 receptor (anti-PLA2R) immunohistochemistry (IHC) for the diagnosis of primary membranous nephropathy (MN). The study aimed to validate anti-PLA2R IHC for the diagnosis of primary MN and clinicopathological correlations in an Indian cohort. METHODS: Subjects included patients with primary and secondary MN diagnosed between January 2012 and August 2014 with an adequate renal biopsy and at least 1 year of clinical follow-up...
January 2017: Nephron Extra
https://www.readbyqxmd.com/read/28397878/a-novel-time-resolved-fluoroimmunoassay-for-the-quantitative-detection-of-antibodies-against-the-phospholipase-a2-receptor
#16
Biao Huang, Liang Wang, Yi Zhang, Jue Zhang, Qiuhua Zhang, Hualong Xiao, Bin Zhou, Zhuxing Sun, Ya-Nan Cao, Yu Chen, Zhigang Hu, Huiming Sheng
A highly sensitive time-resolved fluoroimmunoassay (TRFIA) was developed to quantify serum antibodies against the phospholipase A2 receptor (anti-PLA2R-IgG) for differential diagnosis of membranous nephropathy. Recombinant PLA2R (rPLA2R) was coated onto 96-well plates as a capture. A goat-anti-human IgG tracer was prepared with europium-chelate for detection. After bound/free separation by washing, the fluorescence counts of bound tracer were measured for quantifying serum anti-PLA2R-IgG concentration. A purified anti-PLA2R-IgG calibrator was first prepared for ensuring that consistent quantitative results could be obtained...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28397717/renal-phospholipase-a2-receptor-and-the-clinical-features-of-idiopathic-membranous-nephropathy
#17
Ning-Xin Xu, Qiong-Hong Xie, Zhu-Xing Sun, Jia Wang, Yan Li, Liang Wang, Shao-Jun Liu, Jun Xue, Chuan-Ming Hao
BACKGROUND: According to the renal phospholipase A2 receptor (PLA2R) immunohistochemistry, idiopathic membranous nephropathy (iMN) could be categorized into PLA2R-associated and non-PLA2R-associated iMN. This study aimed to examine whether the non-PLA2R-associated iMN had any difference in clinical features compared with PLA2R-associated iMN. METHODS: A total of 231 adult patients diagnosed as iMN were recruited to this retrospective study. Renal PLA2R expression was examined by immunofluorescence...
April 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28396737/anti-phospholipase-a2-receptor-antibody-levels-at-diagnosis-predicts-spontaneous-remission-of-idiopathic-membranous-nephropathy
#18
Perrine Jullien, Barbara Seitz Polski, Nicolas Maillard, Damien Thibaudin, Blandine Laurent, Edouard Ollier, Eric Alamartine, Gérard Lambeau, Christophe Mariat
Background: The diagnostic role of circulating anti-phospholipase A2 receptor antibodies (anti-PLA2R Abs) is now well recognized in idiopathic membranous nephropathy (iMN). These Abs could also be interesting as predictors of clinical outcome. In this study, we explored the prognostic value of anti-PLA2R Abs measured in a cohort of iMN patients, with a special focus on their ability to detect patients achieving spontaneous remission. Methods: All adult patients with biopsy-proven iMN diagnosed between 1978 and 2007 were retrospectively screened in our centre...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28396523/genetic-complexities-of-the-hla-region-and-idiopathic-membranous-nephropathy
#19
EDITORIAL
Nikol Mladkova, Krzysztof Kiryluk
No abstract text is available yet for this article.
May 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28391348/membranous-nephropathy-thinking-through-the-therapeutic-options
#20
Daniel Cattran, Paul Brenchley
Idiopathic membranous nephropathy (IMN) remains the most common cause of the nephrotic syndrome in adults and one of the leading identifiable causes of end-stage kidney disease. Prior to considering the best approach to treatment, three important components need to be considered. First, the natural history of the typical membranous patient today; second, the importance of identifying the causative factors; and third, the integration of the current data on the known autoantibody/antigen systems involved in IMN into the diagnosis and management of the patient...
January 1, 2017: Nephrology, Dialysis, Transplantation
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