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https://www.readbyqxmd.com/read/27866939/-first-case-report-of-streptococcus-equi-subsp-zooepidemicus-post-infectious-acute-glomerulonephritis-in-france
#1
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...
November 17, 2016: 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
#2
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
#3
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 six-year-long period, and 8 standards of known origin were purchased. They were submitted to GC or 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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/27527599/opposing-roles-of-tyrosine-kinase-receptors-mer-and-axl-determine-clinical-outcomes-in-experimental-immune-mediated-nephritis
#13
Yuxuan Zhen, Stephen O Priest, Wen-Hai Shao
Glomerulonephritis is one of the most severe manifestations of systemic lupus erythematosus, with considerable morbidity and mortality. There remains a major unmet need for successful management of lupus nephritis. TAM family receptor tyrosine kinases (Mer and Axl) play an important role in the maintenance of immune homeostasis in the kidney. Mer is constitutively expressed in the glomeruli; Axl expression is inducible in glomeruli under inflammatory conditions. To investigate the distinct functions of Axl and Mer in lupus nephritis, we compared the severity of nephrotoxic serum glomerulonephritis in wild-type (WT), Axl-knockout (KO), Mer-KO, and Axl/Mer-KO mice...
September 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27504551/comparison-of-efficacy-of-tacrolimus-versus-cyclosporine-in-childhood-steroid-resistant-nephrotic-syndrome
#14
Syed Sajid Hussain Shah, Farkhanda Hafeez
OBJECTIVE: To compare the efficacy of tacrolimus versus cyclosporine (Calcineurin Inhibitors) in the management of childhood steroid-resistant nephritic syndrome (SRNS). STUDY DESIGN: Quasi-experimental study. PLACE AND DURATION OF STUDY: Department of Paediatric Nephrology at The Children's Hospital and Institute of Child Health, Lahore, from August 2014 to September 2015. METHODOLOGY: Patients of either gender aged 1 - 12 years, with the diagnosis of mesangioproliferative glomerulonephritis (MesangioPGN), focal segmental glomerulosclerosis (FSGS) or minimal-change disease (MCD) were included...
July 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/27487796/fully-automated-evaluation-of-total-glomerular-number-and-capillary-tuft-size-in-nephritic-kidneys-using-lightsheet-microscopy
#15
Anika Klingberg, Anja Hasenberg, Isis Ludwig-Portugall, Anna Medyukhina, Linda Männ, Alexandra Brenzel, Daniel R Engel, Marc Thilo Figge, Christian Kurts, Matthias Gunzer
The total number of glomeruli is a fundamental parameter of kidney function but very difficult to determine using standard methodology. Here, we counted all individual glomeruli in murine kidneys and sized the capillary tufts by combining in vivo fluorescence labeling of endothelial cells, a novel tissue-clearing technique, lightsheet microscopy, and automated registration by image analysis. Total hands-on time per organ was <1 hour, and automated counting/sizing was finished in <3 hours. We also investigated the novel use of ethyl-3-phenylprop-2-enoate (ethyl cinnamate) as a nontoxic solvent-based clearing reagent that can be handled without specific safety measures...
August 3, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27475991/complement-analysis-2016-clinical-indications-laboratory-diagnostics-and-quality-control
#16
REVIEW
Zoltán Prohászka, Bo Nilsson, Ashley Frazer-Abel, Michael Kirschfink
In recent years, complement analysis of body fluids and biopsies, going far beyond C3 and C4, has significantly enhanced our understanding of the disease process. Such expanded complement analysis allows for a more precise differential diagnosis and for critical monitoring of complement-targeted therapy. These changes are a result of the growing understanding of the involvement of complement in a diverse set of disorders. To appreciate the importance of proper complement analysis, it is important to understand the role it plays in disease...
November 2016: Immunobiology
https://www.readbyqxmd.com/read/27468526/post-infectious-glomerulonephritis-in-pediatric-patients-over-two-decades-severity-associated-features
#17
Rona Dagan, Roxana Cleper, Miriam Davidovits, Levana Sinai-Trieman, Irit Krause
BACKGROUND: The incidence of post-infectious glomerulonephritis (PIGN) has decreased over the last decades. As a result, recent epidemiological data from industrialized countries are scarce. OBJECTIVES: To evaluate patterns of PIGN in children and detect possible predictors of disease severity. METHODS: We collected clinical and laboratory data of patients with PIGN admitted to Schneider Children's Medical Center during 1994-2011. Diagnostic criteria included presence of hematuria with/without other features of nephritic syndrome along with hypocomplementemia and/or microbiological/serological evidence of streptococcal infection...
June 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/27458561/renal-biopsy-still-a-landmark-for-the-nephrologist
#18
REVIEW
Luca Visconti, Valeria Cernaro, Carlo Alberto Ricciardi, Viviana Lacava, Vincenzo Pellicanò, Antonio Lacquaniti, Michele Buemi, Domenico Santoro
Renal biopsy was performed for the first time more than one century ago, but its clinical use was routinely introduced in the 1950s. It is still an essential tool for diagnosis and choice of treatment of several primary or secondary kidney diseases. Moreover, it may help to know the expected time of end stage renal disease. The indications are represented by nephritic and/or nephrotic syndrome and rapidly progressive acute renal failure of unknown origin. Nowadays, it is performed mainly by nephrologists and radiologists using a 14-18 gauges needle with automated spring-loaded biopsy device, under real-time ultrasound guidance...
July 6, 2016: World Journal of Nephrology
https://www.readbyqxmd.com/read/27457614/the-positive-association-of-branched-chain-amino-acids-and-metabolic-dyslipidemia-in-chinese-han-population
#19
Panpan Yang, Wen Hu, Zhenzhen Fu, Luning Sun, Ying Zhou, Yingyun Gong, Tao Yang, Hongwen Zhou
BACKGROUND: It has been suggested that serum branched-chain amino acids (BCAAs) are associated with the incident, progression and prognostic of type 2 diabetes. However, the role of BCAAs in metabolic dyslipidemia (raised triglycerides (TG) and reduced high-density lipoprotein cholesterol (HDL-C)) remains poorly understood. This study aims to investigate 1) the association of serum BCAAs with total cholesterol (TC), TG, HDL-C and low-density lipoprotein cholesterol (LDL-C) and 2) the association between serum BCAAs levels and risk of metabolic dyslipidemia in a community population with different glucose homeostasis...
2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27373970/unraveling-the-immunopathogenesis-of-glomerular-disease
#20
REVIEW
Bonny L Dickinson
Immune-mediated damage to glomerular structures is largely responsible for the pathology associated with the majority of glomerular diseases. Therefore, a detailed understanding of the basic immune mechanisms responsible for glomerular damage is needed to inform the design of novel intervention strategies. Glomerular injury of immune origin is complex and involves both inflammatory and non-inflammatory processes driven by elements of the innate and adaptive immune system. This review summarizes the basic immune mechanisms that cause glomerular injury leading to the nephritic and nephrotic syndromes...
August 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
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