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https://www.readbyqxmd.com/read/28236143/c3-glomerulopathy-and-eculizumab-a-report-on-four-paediatric-cases
#1
Célia Lebreton, Justine Bacchetta, Frédérique Dijoud, Lucie Bessenay, Véronique Fremeaux-Bacchi, Anne Laure Sellier-Leclerc
BACKGROUND: Eculizumab may be used to treat C3-glomerulopathy (C3G), a rare but severe glomerular disease. DIAGNOSIS AND TREATMENT: Patients 1, 2 and 3 were diagnosed with nephritic syndrome with alternative complement pathway activation (low C3, C3Nef-positive) and C3G at the age of 9, 13 and 12 years, respectively. Treatment with eculizumab normalized proteinuria within 1, 2 and 7 months, respectively. Proteinuria relapsed when eculizumab was withdrawn, but the re-introduction of eculizumab normalized proteinuria...
February 24, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28162051/henoch-schonlein-purpura-post-streptococcal-glomerulonephritis-and-acute-rheumatic-carditis-after-group-a-%C3%AE-haemolytic-streptococcal-infection
#2
Seçil Arslansoyu Çamlar, Alper Soylu, İpek Akil, Mehtat Ünlü, Şenol Coşkun, Pelin Ertan, Salih Kavukçu
Besides association with acute rheumatic fever (ARF) and acute glomerulonephritis (APSGN), in up to 40% of cases, Group A β-haemolytic streptococcal (GABHS) infections are also implicated as a trigger for Henoch-Schonlein purpura (HSP). A 7-year-old girl with GABHS throat infection who developed HSP, APSGN and rheumatic carditis is reported. She presented with palpable purpura and arthritis in both ankles and later developed carditis characterised by mitral/aortic regurgitation and glomerulonephritis characterised by mixed nephritic/nephrotic syndrome...
February 6, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28123514/hpyerglycemic-and-anti-diabetic-nephritis-activities-of-polysaccharides-separated-from-auricularia-auricular-in-diet-streptozotocin-induced-diabetic-rats
#3
Xinyu Hu, Chungang Liu, Xue Wang, Dongxu Jia, Wenqian Lu, Xiaoqi Sun, Yang Liu, Lijia Yuan
Due to substantial morbidity and complications including nephropathy, a search for alternative treatment of diabetes mellitus is urgently required. The present study aimed to investigate the hypoglycemic and anti-diabetic nephropathy activities of polysaccharides separated from Auricularia auricular (AAP). Diet streptozotocin (STZ)-induced diabetic Sprague-Dawley rats were orally treated with metformin (100 mg/kg; positive control) and AAP (100 and 400 mg/kg) for four weeks, and parameters in the serum and liver associated with blood glucose, free radicals and nephropathy were determined...
January 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28111009/glomerular-common-gamma-chain-confers-b-and-t-cell-independent-protection-against-glomerulonephritis
#4
Yosu Luque, Dominique Cathelin, Sophie Vandermeersch, Xiaoli Xu, Julie Sohier, Sandrine Placier, Yi-Chun Xu-Dubois, Kevin Louis, Alexandre Hertig, Jean-Christophe Bories, Florence Vasseur, Fabien Campagne, James P Di Santo, Christian Vosshenrich, Eric Rondeau, Laurent Mesnard
Crescentic glomerulonephritis is a life-threatening renal disease that has been extensively studied by the experimental anti-glomerular basement membrane glomerulonephritis (anti-GBM-GN) model. Although T cells have a significant role in this model, athymic/nude mice and rats still develop severe renal disease. Here we further explored the contribution of intrinsic renal cells in the development of T-cell-independent GN lesions. Anti-GBM-GN was induced in three strains of immune-deficient mice (Rag2(-/-), Rag2(-/-)Il2rg(-/-), and Rag2(-/-)Il2rb(-/-)) that are devoid of either T/B cells or T/B/NK cells...
January 19, 2017: Kidney International
https://www.readbyqxmd.com/read/28098102/evaluation-of-renal-lesions-and-clinicopathologic-correlation-in-rheumatoid-arthritis
#5
Periyasamy Muthukumar, Jeyachandran Dhanapriya, Natarajan Gopalakrishnan, Thanigachalam Dineshkumar, Ramanathan Sakthirajan, T Balasubramaniyan
The most common causes of renal disease in rheumatoid arthritis (RA) are glomerulonephritis (GN), amyloidosis, tubulo-interstitial nephritis, and drug toxicity. Our aim was to evaluate the clinicopathologic correlation of renal lesions and to assess the course and prognosis of renal disease in patients with RA. We conducted a prospective observational study in all adult patients with RA between July 2010 and June 2015. The total number of patients studied was 90, with a female:male ratio of 2.3:1. Mean follow-up duration was 30 ± 6...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28058588/the-hypoglycemic-hypolipidemic-and-anti-diabetic-nephritic-activities-of-zeaxanthin-in-diet-streptozotocin-induced-diabetic-sprague-dawley-rats
#6
Ling Kou, Mingzhao Du, Chaopu Zhang, Zhiyin Dai, Xuan Li, Baohai Zhang
Zeaxanthin (ZA), an important compound found in Lycium barbarum, shows various pharmacodynamic effects. In our present study, a high-fat, high-sucrose diet and streptozotocin (STZ)-induced diabetic rat model was used to investigate the antidiabetic activities of ZA. After a 4-week administration of 200 and 400 mg/kg of ZA and 100 mg/kg of metformin hydrochloride, various blood biochemical indexes were detected. ZA strongly normalized the reduced bodyweight and enhanced fasting blood glucose in diabetic rats...
January 5, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28053277/auto-antibodies-to-double-stranded-dna-as-biomarker-in-systemic-lupus-erythematosus-comparison-of-different-assays-during-quiescent-and-active-disease
#7
Karina de Leeuw, Laura Bungener, Caroline Roozendaal, Hendrika Bootsma, Coen A Stegeman
OBJECTIVE: Auto-antibodies directed to dsDNA (anti-dsDNA) are used in diagnosis and follow-up for SLE. However, multiple assays are used. The objective of this study was to determine the best-performing assays, especially in prediction of exacerbations. METHODS: Seven assays were compared during LN (n = 58). The two assays with the most frequent positive results during active nephritis were selected and tested in 152 SLE patients with quiescent disease, 40 with active disease and 214 disease controls...
January 3, 2017: Rheumatology
https://www.readbyqxmd.com/read/27941331/interleukin-17ra-promotes-humoral-responses-and-glomerular-injury-in-experimental-rapidly-progressive-glomerulonephritis
#8
Joanna R Ghali, Kim M O'Sullivan, Peter J Eggenhuizen, Stephen R Holdsworth, A Richard Kitching
BACKGROUND/AIMS: Interleukin (IL)-17A and IL-17F are proinflammatory cytokines, which signal through a receptor complex consisting of IL-17RA and IL-17RC subunits. We sought to define the role of IL-17RA expression by leukocytes and stromal cells in nephritogenic immunity and injury in experimental glomerulonephritis. METHODS: Glomerulonephritis was induced in wild-type and IL-17RA-deficient (IL-17RA-/-) mice by sheep anti-mouse glomerular basement membrane globulin...
December 10, 2016: Nephron
https://www.readbyqxmd.com/read/27866939/-first-case-report-of-streptococcus-equi-subsp-zooepidemicus-post-infectious-acute-glomerulonephritis-in-france
#9
Nicolas Le-Berre, Pierre Filipozzi, Laurent Martin, Luc Frimat, Sophie Girerd
Post-infectious glomerulonephritis has become exceptional in France because streptococcus infections are well-treated. When they appear, clinical and biological symptoms are mostly typical and associate acute nephritic syndrome, acute renal failure, proteinuria, hematuria and low complement. We are reporting the first French case of acute post-infectious glomerulonephritis related to Streptococcus equi subsp. zooepidemicus, which is commonly found in horses and rarely in human pathology, and of which contamination is by direct contact with sick horses or by ingestion of non-pasteurized milk...
February 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/27866195/comparison-of-telbivudine-and-entecavir-therapy-on-nephritic-function-and-drug-resistance-in-patients-with-hepatitis-b-virus-related-compensated-cirrhosis
#10
RANDOMIZED CONTROLLED TRIAL
Huajiang Shen, Feng Ding, Zhiwei Wang, Fang Sun, Yafeng Yu, Jiankang Zhou, Wenfang Xu, Jianchao Ni, Jiangang Wang, Yida Yang
BACKGROUND: To compare the impact of telbivudine (LDT) and entecavir (ETV) administration on nephritic function. METHOD: One hundred thirty patients diagnosed with hepatitis B virus (HBV)-related compensated cirrhosis were randomly divided into LDT (600 mg/d) or ETV (0.5 mg/d) groups. RESULTS: The drug resistance rate was higher following LDT treatment compared to ETV treatment (16.9% vs. 1.5%, P=0.0006). The mean creatinine level decreased compared to baseline in the LDT group (0...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27860349/irms-to-study-a-common-cocaine-cutting-agent-phenacetin
#11
Virginie Ladroue, Laurence Dujourdy, Fabrice Besacier, Patrick Jame
Phenacetin is a pharmaceutical closely related to acetaminophen that has been banned in France for a long time due to its nephritic and carcinogenic adverse effects. It frequently appears in cocaine seizures as a cutting agent. Following both sanitary and intelligence motivations, this molecule was chosen for this study, and stable isotopes seemed to be the most appropriate tool. A total of 228 seized samples were collected over a 6-year period, and 8 standards of known origin were purchased. They were submitted to gas chromatography (GC) or elemental analysis - isotope ratio mass spectrometry (EA-IRMS) measurements, depending on their complexity...
November 17, 2016: Drug Testing and Analysis
https://www.readbyqxmd.com/read/27758702/cellular-and-molecular-mechanisms-of-diuretic-plants-an-overview
#12
Francislaine Aparecida Lívero, Jacqueline Vergutz Menetrier, Emerson Luiz Botelho Lourenço, Arquimedes Gasparotto Junior
Heart failure, hypertension, cirrhosis and nephritic syndrome are among conditions that alter volume and composition of body fluids and are modulated by diuretics. Natural products are important source of diuretics and have been considered remarkable alternative with greater effectiveness and fewer side effects. However, many of these plants used in traditional medicine must be scientifically assessed about their efficacy and toxicity. Despite the large number of published articles claiming that plants or plant-derived components may act as diuretic agents, few studies have addressed the mechanism of action of medicinal plants...
October 14, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27745987/tissue-specific-distributions-of-inorganic-arsenic-and-its-methylated-metabolites-especially-in-cerebral-cortex-cerebellum-and-hippocampus-of-mice-after-a-single-oral-administration-of-arsenite
#13
Jinlong Li, Xiaoxu Duan, Dandan Dong, Yang Zhang, Lu Zhao, Wei Li, Jinli Chen, Guifan Sun, Bing Li
Groundwater contaminated with inorganic arsenic (iAs) is the main source of human exposure to arsenic and generates a global health issue. In this study, the urinary excretion, as well as the time-course distributions of various arsenic species in murine tissues, especially in different brain regions were determined after a single oral administration of 2.5, 5, 10 and 20mg/kg sodium arsenite (NaAsO2). Our data showed that the peak times of urinary, hepatic and nephritic total arsenic (TAs) were happened at about 1h, then TAs levels decreased gradually and almost could not be observed after 72h...
October 4, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27686831/glabridin-induced-vasorelaxation-evidence-for-a-role-of-bkca-channels-and-cyclic-gmp
#14
Debrabata Chanda, Jesus Prieto-Lloret, Arjun Singh, Hina Iqbal, Pankaj Yadav, Vladimir Snetkov, Philip I Aaronson
BACKGROUND AND PURPOSE: Glabridin is a major flavonoid in Glycyrrhiza glabra (licorice) root, a traditional Asian medicine. Glabridin is reported to have anti-atherogenic, anti-inflammatory and anti-nephritic properties; however its effects on vascular tone remain unexplored. EXPERIMENTAL APPROACH: We examined the effect of glabridin on rat main mesenteric artery using isometric myography and also ELISA to measure cGMP levels. KEY RESULTS: Glabridin (30μM) relaxed arteries pre-constricted with the thromboxane A2 analog U46619 (0...
November 15, 2016: Life Sciences
https://www.readbyqxmd.com/read/27588900/leptin-promotes-systemic-lupus-erythematosus-by-increasing-autoantibody-production-and-inhibiting-immune-regulation
#15
Elaine V Lourenço, Aijing Liu, Giuseppe Matarese, Antonio La Cava
Leptin is an adipocytokine that plays a key role in the modulation of immune responses and the development and maintenance of inflammation. Circulating levels of leptin are elevated in systemic lupus erythematosus (SLE) patients, but it is not clear whether this association can reflect a direct influence of leptin on the propathogenic events that lead to SLE. To investigate this possibility, we compared the extent of susceptibility to SLE and lupus manifestations between leptin-deficient (ob/ob) and H2-matched leptin-sufficient (wild-type, WT) mice that had been treated with the lupus-inducing agent pristane...
September 20, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27583546/c5a-induces-the-synthesis-of-il-6-and-tnf-%C3%AE-in-rat-glomerular-mesangial-cells-through-mapk-signaling-pathways
#16
Mingde Ji, Yanlai Lu, Chenhui Zhao, Wenxing Gao, Fengxia He, Jing Zhang, Dan Zhao, Wen Qiu, Yingwei Wang
Inflammatory response has been reported to contribute to the renal lesions in rat Thy-1 nephritis (Thy-1N) as an animal model of human mesangioproliferative glomerulonephritis (MsPGN). Besides C5b-9 complex, C5a is also a potent pro-inflammatory mediator and correlated to severity of various nephritic diseases. However, the role of C5a in mediating pro-inflammatory cytokine production in rats with Thy-1N is poorly defined. In the present studies, the levels of C5a, interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) were first determined in the renal tissues of rats with Thy-1N...
2016: PloS One
https://www.readbyqxmd.com/read/27576285/-henoch-sch%C3%A3-nlein-purpura-in-a-cocaine-consumer-man-with-hiv-infection-and-anca-p-positivity
#17
María C De Paoli, Dino Moretti, Carlos M Scolari Pasinato, Martín G Buncuga
The Henoch-Schönlein purpura (HSP) is a small vessel vasculitis with IgA immune complex deposition. The presentation in adults is rare and severe. Reported cases of HSP in patients infected with HIV are scarce. Neutrophil cytoplasmic antibodies (ANCA) are commonly found in other systemic vasculitis, but rarely in HSP and even more unusual the perinuclear pattern. Beside small vessel vasculitis, positivity of ANCA can be detected in a number of different pathological conditions in association with infectious processes, including HIV, or cocaine use, and especially the pattern of ANCA-p, associated with drugs, inflammatory bowel or autoimmune diseases...
2016: Medicina
https://www.readbyqxmd.com/read/27575507/mycophenolate-mofetil-in-treatment-of-childhood-steroid-dependent-nephrotic-syndrome
#18
Manel Jellouli, Sonia Fitouhi, Kamel Abidi, Yousra Hammi, Ouns Naija, Chokri Zarrouk, Tahar Gargah
OBJECTIVES: To establish the efficacy of mycophenolate mofetil (MMF) in steroid dependent nephrotic syndrome and to determine the predictive factors for a good response. METHODS: retrospective hospital-based cohort study in the department of pediatric of Charles Nicolle hospital, between 2005 and 2012 included 30 children with steroid-dependent nephritic syndrome who were treated with MMF. RESULTS: A total of 30 patients (20 boys and 10 girls) were included...
March 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/27573641/iga-nephropathy-in-children-a-multicenter-study-in-poland
#19
M Mizerska-Wasiak, A Turczyn, A Such, K Cichoń-Kawa, J Małdyk, M Miklaszewska, J Pietrzyk, A Rybi-Szumińska, A Wasilewska, A Firszt-Adamczyk, R Stankiewicz, M Szczepańska, B Bieniaś, M Zajączkowska, A Pukajło-Marczyk, D Zwolińska, K Siniewicz-Luzeńczyk, M Tkaczyk, K Gadomska-Prokop, R Grenda, U Demkow, M Pańczyk-Tomaszewska
IgA nephropathy (IgAN) is the most common form of glomerulonephritis in pediatric population. The clinical presentation of the disease in children ranges from microscopic hematuria to end-stage kidney disease. The aim of the study was to retrospectively assess clinical and kidney biopsy features in children with IgAN. We assessed a cohort of 140 children, 88 boys, 52 girls with the diagnosis of IgAN in the period of 2000-2015, entered into the national Polish pediatric IgAN registry. The assessment included the following: proteinuria, hematuria, glomerular filtration rate (GFR), arterial blood pressure, and the renal pathological changes according to the Oxford classification and crescents formation, as modifiable and unmodifiable risk factors...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27542664/renal-outcomes-and-risk-factors-for-esrd-in-children-with-rapidly-progressive-glomerulonephritis
#20
Nuntawan Piyaphanee, Chompoonut Ananboontarick, Suroj Supavekin, Achra Sumboonnanonda
BACKGROUND: Rapidly progressive glomerulonephritis (RPGN), a clinical diagnosis defined as acute nephritic syndrome with dramatic loss of renal function within few months, is associated with crescentic glomerulonephritis (CresGN), which requires ≥50% crescents in pathology. The percentage of crescents in children with RPGN may vary, however, determining disease characteristics and renal outcome. METHODS: To evaluate the renal outcomes and factors associated to end-stage renal disease (ESRD), this retrospective cohort study assessed children aged ≤15 years with RPGN at a tertiary medical center...
August 20, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
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