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https://www.readbyqxmd.com/read/28647853/are-podocytes-motile
#1
REVIEW
Nicole Endlich, Florian Siegerist, Karlhans Endlich
Podocytes, the postmitotic and highly branched epithelial cells of the glomerulus, play a pivotal role for the function of the glomerular filtration barrier and the development of chronic kidney disease. It has long been discussed whether podocytes in vivo are motile and can laterally migrate in a coordinated way along the capillaries until they reach the position of naked glomerular basement membrane often found in podocytopathies. Such motility would also be the prerequisite for the replacement of lost podocytes by progenitor cells...
June 24, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28647851/a-questionnaire-survey-of-radiological-diagnosis-and-management-of-renal-dysplasia-in-children
#2
Giovanni Montini, Marco Busutti, Fatos Yalcinkaya, Adrian S Woolf, Stefanie Weber
BACKGROUND: The condition called renal dysplasia is considered to be a frequent cause of chronic kidney disease in children. Formally, it is defined by histological parameters. In current nephrology practice, however, the appearance of the kidneys on ultrasound scanning is often used as a basis for the diagnosis. METHODS: The European Society for Pediatric Nephrology Working Group on Congenital Anomalies of the Kidney and Urinary Tract hypothesized that the current diagnostic approach with regard to renal dysplasia was not homogeneous...
June 24, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28647507/differential-replication-of-foot-and-mouth-disease-viruses-in-mice-determine-lethality
#3
Marco Cacciabue, María Soledad García-Núñez, Fernando Delgado, Anabella Currá, Rubén Marrero, Paula Molinari, Elizabeth Rieder, Elisa Carrillo, María Inés Gismondi
Adult C57BL/6J mice have been used to study Foot-and-mouth disease virus (FMDV) biology. In this work, two variants of an FMDV A/Arg/01 strain exhibiting differential pathogenicity in adult mice were identified and characterized: a non-lethal virus (A01NL) caused mild signs of disease, whereas a lethal virus (A01L) caused death within 24-48h independently of the dose used. Both viruses caused a systemic infection with pathological changes in the exocrine pancreas. Virus A01L reached higher viral loads in plasma and organs of inoculated mice as well as increased replication in an ovine kidney cell line...
June 22, 2017: Virology
https://www.readbyqxmd.com/read/28647487/does-pregnancy-have-any-impact-on-long-term-damage-accrual-and-on-the-outcome-of-lupus-nephritis
#4
Davide Gianfreda, Silvana Quaglini, Giulia Frontini, Francesca Raffiotta, Piergiorgio Messa, Gabriella Moroni
No data are available about the impact of pregnancy on the long-term outcome of lupus nephritis. Thirty-two women with lupus nephritis with a 10-year follow-up after their first pregnancy ("women who gave birth") and 64 matched controls with the same follow-up and who never had pregnancies ("controls") were compared for the occurrence of SLE flares, chronic kidney disease (CKD), and SLICC/ACR Damage Index (SDI) in the post pregnancy period. The same evaluations were done before and after pregnancy in women who gave birth...
June 21, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28647407/external-validation-of-the-simple-null-please-clinical-score-in-predicting-outcome-of-out-of-hospital-cardiac-arrest
#5
Tatjana S Potpara, Miroslav Mihajlovic, Sanja Stankovic, Tanja Jozic, Irena Jozic, Milika R Asanin, Rajai Ahmad, Gregory Y H Lip
BACKGROUND: Rapid clinical decision-making on further management of patients with out-of-hospital cardiac arrest may be challenging. Recently, a 'futility' score (NULL-PLEASE) incorporating multiple adverse resuscitation features (Non-shockable rhythm, Unwitnessed arrest, Long no-flow or Long low-flow period, blood pH <7.2, Lactate >7.0 mmol/l, End-stage chronic kidney disease on dialysis, Age ≥85 years, Still resuscitation and Extra-cardiac cause) has been proposed to help identify out-of-hospital cardiac arrest patients unlikely to survive; however, external independent score validation is lacking...
June 21, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28647186/bougainvillea-spectabilis-flowers-extract-protects-against-the-rotenone-induced-toxicity
#6
Omar M E Abdel-Salam, Eman R Youness, Nadia A Ahmed, Sayed A El-Toumy, Ahmed M A Souleman, Nermeen Shaffie, Dalia M Abouelfadl
OBJECTIVE: To investigate the effect of two extracts of Bougainvillea spectabilis (B. spectabilis) flowers with yellow and pink/purple on brain oxidative stress and neuronal damage caused in rats by systemic rotenone injection. METHODS: Rotenone 1.5 mg/kg was given three times per week alone or in combination with B. spectabilis flowers extracts (25 mg or 50 mg) via the subcutaneous route for 2 weeks. Brain concentrations of the lipid peroxidation marker malondialdehyde (MDA), reduced glutathione, nitric oxide (nitrite), the pro-inflammatory cytokine interleukin-1beta (Il-1β) as well as butyrylcholinesterase, and paraoxonase-1 (PON-1) activities, were determined...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28647101/the-role-of-hypertriglyceridemia-for-acute-kidney-injury-in-the-course-of-acute-pancreatitis-and-an-animal-model
#7
Congye Wu, Lei Zou, Shujing Shi, Zhihui Tong, Xiao Shen, Dongliang Yang, Lu Ke, Weiqin Li, Jieshou Li
OBJECTIVE: The aim of this study was to investigate the role of hypertriglyceridemia for acute kidney injury (AKI) in the course of acute pancreatitis. METHODS: Patients with acute pancreatitis were retrospectively divided into four groups according to admission triglyceride: normal group, mild HTG group, moderate HTG group and severe HTG group. Clinical characteristics were compared among these groups. Wild type (WT) mice and Human ApoC III transgenic (ApoCIIItg) mice were used in the next animal experiments...
June 12, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28647049/targeting-of-regulated-necrosis-in-kidney-disease
#8
Diego Martin-Sanchez, Jonay Poveda, Miguel Fontecha-Barriuso, Olga Ruiz-Andres, María Dolores Sanchez-Niño, Marta Ruiz-Ortega, Alberto Ortiz, Ana Belén Sanz
The term acute tubular necrosis was thought to represent a misnomer derived from morphological studies of human necropsies and necrosis was thought to represent an unregulated passive form of cell death which was not amenable to therapeutic manipulation. Recent advances have improved our understanding of cell death in acute kidney injury. First, apoptosis results in cell loss, but does not trigger an inflammatory response. However, clumsy attempts at interfering with apoptosis (e.g. certain caspase inhibitors) may trigger necrosis and, thus, inflammation-mediated kidney injury...
June 21, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28647002/natural-killers-the-bad-guys-in%C3%A2-fibrosis
#9
Jan-Eric Turner
Immune cells infiltrating the tubulointerstitium critically contribute to the progression of chronic kidney disease. In this issue of Kidney international, Law et al. provide first evidence for a role of natural killer cells in the perpetuation of tubulointerstitial fibrosis in human renal disease. By detailed flow cytometric characterization of leukocytes isolated from kidney biopsies of chronic kidney disease patients, they define accumulation of natural killer cells as a feature of fibrotic kidney tissue and provide insight into potential mechanisms of how these cells might promote chronic kidney inflammation...
July 2017: Kidney International
https://www.readbyqxmd.com/read/28647001/gastric-bypass-surgery-stimulates-the-dormant-gut-brain-axis-in-obesity
#10
Stephanie P B Caligiuri, Paul J Kenny
To truly reduce the rates of chronic kidney disease, a root cause of kidney damage, obesity, must be targeted. Weight loss is often unsustainable because imbalances in satiety regulators are frequently not addressed to ensure maintenance of weight loss. In a recent study, gastric bypass surgery rebalanced satiety signals through resensitization of the gut-brain axis in obesity. This research may lead to noninvasive strategies to reduce obesity and obesity-related kidney disease.
July 2017: Kidney International
https://www.readbyqxmd.com/read/28646995/executive-summary-of-the-2017-kdigo-chronic-kidney%C3%A2-disease-mineral-and-bone-disorder-ckd-mbd-guideline-update-what-s-changed-and-why-it-matters
#11
Markus Ketteler, Geoffrey A Block, Pieter Evenepoel, Masafumi Fukagawa, Charles A Herzog, Linda McCann, Sharon M Moe, Rukshana Shroff, Marcello A Tonelli, Nigel D Toussaint, Marc G Vervloet, Mary B Leonard
The KDIGO 2017 Clinical Practice Guideline Update for the Diagnosis, Evaluation, Prevention, and Treatment of CKD-MBD represents a selective update of the prior CKD-MBD Guideline published in 2009. This update, along with the 2009 publication, is intended to assist the practitioner caring for adults and children with chronic kidney disease (CKD), those on chronic dialysis therapy, or individuals with a kidney transplant. This review highlights key aspects of the 2017 CKD-MBD Guideline Update, with an emphasis on the rationale for the changes made to the original guideline document...
July 2017: Kidney International
https://www.readbyqxmd.com/read/28646994/reading-the-tree-leaves-how-to-enrich-clinical-trials-of-diabetic-kidney-disease
#12
Helen C Looker, Robert G Nelson
Most participants selected for clinical trials of renoprotective drugs do not reach approved endpoints; thus, large trials or prolonged follow-up are needed to achieve adequate statistical power. Yamanouchi et al. used a classification and regression trees analysis to enrich enrollment criterion for patients at the highest risk of reaching these outcomes. Their findings suggest a greater role for newly identified biomarkers of diabetic kidney disease in the selection of participants for clinical trials.
July 2017: Kidney International
https://www.readbyqxmd.com/read/28646992/preventive-nephrology-in-the-era-of-i-evidence-should-we-screen-for-chronic-kidney-disease
#13
Carmen A Peralta, Michelle M Estrella
In this issue, Ferguson and colleagues demonstrate that chronic kidney disease (CKD) screening in populations burdened with CKD may be cost effective. Whether we should screen for CKD, however, continues to be debated despite the availability of effective clinical strategies that mitigate the risks of CKD progression. This study highlights the need for pragmatic trials to test the effectiveness of early CKD detection combined with optimization of clinical management and calls for innovation to tackle CKD.
July 2017: Kidney International
https://www.readbyqxmd.com/read/28646870/incidence-and-diagnosis-of-acute-kidney-injury-in-hospitalized-adult-patients-a-retrospective-observational-study-in-a-tertiary-teaching-hospital-in-southeast-china
#14
Xiaoyan Cheng, Buyun Wu, Yun Liu, Huijuan Mao, Changying Xing
BACKGROUND: Acute kidney injury (AKI) places a heavy burden on the healthcare system in China and is usually misdiagnosed. However, there are limited studies that have described the epidemiology and diagnosis of AKI in China. The aim of this study was to describe the incidence and diagnosis of AKI in hospitalized adult patients in a tertiary teaching hospital in southeast China. METHODS: All adult patients hospitalized from October 1, 2013 to September 30, 2014 in the First Affiliated Hospital of Nanjing Medical University were screened using the Lab Administration Network...
June 24, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28646618/tryptophan-as-a-surrogate-prognostic-marker-for-diabetic-nephropathy
#15
Chien-An Chou, Chia-Ni Lin, Daniel Tsun-Yee Chiu, I-Wen Chen, Szu-Tah Chen
AIMS/INTRODUCTION: Diabetic nephropathy is one of the leading causes of end-stage renal disease. Unfortunately, reliable surrogate markers for predicting the prognostic outcome of diabetic nephropathy were as yet absent. In order to find new markers in predicting the progression of diabetic nephropathy, we conducted a prospective study by investigating the correlation between serum metabolites and the annual change of estimated glomerular filtration rate (eGFR). MATERIALS AND METHODS: From September 2013 to September 2015, 52 diabetic patients at various stages of chronic kidney disease (CKD) were enrolled...
June 24, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28646536/spectrum-of-mutations-in-cystinuria-patients-presenting-with-prenatal-hyperechoic-colon
#16
Isabelle Tostivint, Nicolas Royer, Mireille Nicolas, Agnes Bourillon, Isabelle Czerkiewicz, Pierre-Hadrien Becker, Françoise Muller, Jean-François Benoist
Cystinuria is a heterogeneous, rare but important cause of inherited kidney stone disease due to mutations in two genes: SLC3A1 and SLC7A9. Antenatal hyperechoic colon has been reported in some patients as a non-pathological consequence of the intestinal transport defect. We report 83 patients affected by cystinuria: 44 presented prenatally with a hyperechoic colon (HEC group) and 39 with a classical postnatal form (CC group). SLC3A1 and SLC7A9 were sequenced. All patients were fully genotyped, and the relationship between the genotype and clinical features was analyzed...
June 24, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28646406/podocytes-and-the-quest-for-precision-medicines-for-kidney-diseases
#17
REVIEW
Peter Mundel
In this review, I describe a 30-year journey in the quest for precision medicines for patients with kidney diseases. In 1987, when I started my reseach career, most scientists studying glomerular disease biology were focused on mesangial cells. The crucial role of the podocyte in many kidney diseases characterized by proteinuria, including focal segmental glomerulosclerosis (FSGS) and diabetic nephropathy, had not yet been recognized. We were not aware of genetic causes or drivers of kidney diseases nor of molecular markers and cell culture systems for mechanistic studies of podocyte biology...
June 23, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28646375/comparative-efficacy-and-safety-in-esa-biosimilars-vs-originators-in-adults-with-chronic-kidney-disease-a-systematic-review-and-meta-analysis
#18
REVIEW
Laura Amato, Antonio Addis, Rosella Saulle, Francesco Trotta, Zuzana Mitrova, Marina Davoli
BACKGROUND: Several Erythropoiesis-stimulating agents (ESAs) are available to treat anemia in patients with chronic kidney disease (CKD). Questions about the comparability of such therapeutic options are not purely a regulatory or economical matter. Appropriate use of originator or biosimilar in these patients need to be supported by clinical data. Regarding the prevention of blood transfusion, reduction of fatigue, breathlessness and mortality or cardiovascular events, a summary of the comparative efficacy and safety data of these drugs is lacking...
June 23, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28646304/ndrg2-knockdown-promotes-fibrosis-in-renal-tubular-epithelial-cells-through-tgf-%C3%AE-1-smad3-pathway
#19
Zhibo Jin, Chaohui Gu, Fengyan Tian, Zhankui Jia, Jinjian Yang
Renal fibrosis is a common pathological pathway of various chronic kidney diseases progressing to end-stage renal disease and is characterized by tubular atrophy, fibroblast/myofibroblast activation and excessive deposition of extracellular matrix (ECM). N-Myc downstream-regulated gene-2 (NDRG2) is reported to be associated with liver fibrosis in rats. However, the biological function of NDRG2 in renal fibrosis remains unclear. Therefore, we investigate the effect of NDRG2 on renal fibrosis and the underlying mechanism of NDRG2 in TGF-β1-induced renal tubular epithelial cells (HK-2)...
June 23, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28646278/liver-involvement-in-kidney-disease-and-vice-versa
#20
REVIEW
Karen Van Hoeve, Djalila Mekahli, Eva Morava, Elena Levtchenko, Peter Witters
The liver and kidneys are often similarly affected by a single disease. This is the case in metabolic, immunological, toxic, and infectious diseases, and in the different congenital malformation syndromes. Also, an enzymatic defect in an otherwise healthy liver or the consequences of advanced liver disease by itself can cause kidney disease as a secondary phenomenon. In this review, we describe numerous pathogenic mechanisms leading to dysfunction or malformations of the liver and kidneys in children. We encourage multidisciplinary management for optimal care...
June 23, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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