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Acute tubular necrosis

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https://www.readbyqxmd.com/read/29142382/capillary-leak-syndrome-following-snakebite-envenomation
#1
REVIEW
V Udayabhaskaran, E T Arun Thomas, Bhagya Shaji
Capillary leak syndrome is a unique complication that follows Russell's viper envenomation. This syndrome has a very high fatality rate and is characterized by parotid swelling, chemosis, periorbital edema, hypotension, albuminuria, hypoalbuminemia, and hemoconcentration. This syndrome is frequently recognized from the southern parts of India, especially from the state of Kerala. It has been postulated that a vascular apoptosis inducing component of Russell's viper venom that is not neutralized by the commercially available anti-snake venom (ASV) is responsible for this complication as it occurs even after adequate doses of ASV administration in most cases...
October 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29132705/il-17a-improves-the-efficacy-of-mesenchymal-stem%C3%A2-cells-in-ischemic-reperfusion-renal-injury%C3%A2-by%C3%A2-increasing-treg-percentages-by-the%C3%A2-cox-2-pge2%C3%A2-pathway
#2
Ming Bai, Li Zhang, Bo Fu, Jiuxu Bai, Yingjie Zhang, Guangyan Cai, Xueyuan Bai, Zhe Feng, Shiren Sun, Xiangmei Chen
Mesenchymal stem cells (MSCs) are effective for the management of experimental ischemia-reperfusion acute kidney injury (IRI-AKI). Immune modulation is one of the important mechanisms of MSCs treatment. Interleukin-17A (IL-17A) pretreated MSCs are more immunosuppressive with minimal changes in immunogenicity in vitro. Here, we demonstrated that administration of IL-17A-pretreated MSCs resulted in significantly lower acute tubular necrosis scores, serum creatinine, and BUN of mice with IRI-AKI, compared with the administration of MSCs...
November 11, 2017: Kidney International
https://www.readbyqxmd.com/read/29131245/expression-of-the-wnt-%C3%AE-catenin-signal-pathway-in-patients-with-acute-renal-injury
#3
S-Y Wang, S-X Yang, X-X Zhao, F Chen, J Shi
OBJECTIVE: The purpose of this investigation is to determine if the protein expression of the Wnt/β-catenin signal pathway is induced after acute renal injury in patients with acute tubular necrosis. PATIENTS AND METHODS: Sixty patients in who met inclusion criteria underwent renal biopsy. Based on the result of the biopsy, patients were divided into two groups: one with nephrotic syndrome with mini-change disease (MCD group, 30 patients), the other one with minor lesions and acute tubular necrosis (ATN, 30 patients)...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29127652/dapagliflozin-as-a-cause-of-acute-tubular-necrosis-with-heavy-consequences-a-case-report
#4
Christos Pleros, Elisavet Stamataki, Antonia Papadaki, Nikolaos Damianakis, Rafaela Poulidaki, Charikleia Gakiopoulou, Ioannis Tzanakis
A 50-year-old man with type II diabetes, hypertension and dyslipidemia, presented with non-oliguric acute kidney injury (AKI) and anemia. Renal biopsy showed acute tubular necrosis (ATN) with extensive cytoplasmic vacuolization and areas of tubulitis. These findings were ultimately attributed to dapagliflozin, which he started 3 months earlier due to poor glycemic control. ATN with similar microscopic findings has been described with larger doses of dapagliflozin in non-clinical trials. Our patient was started on dialysis and remained dialysis-dependent for 4 weeks while his renal function improved gradually thereafter...
November 10, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/29122911/prognosis-of-patients-with-cirrhosis-and-aki-who-initiate-rrt
#5
Andrew S Allegretti, Xavier Vela Parada, Nwamaka D Eneanya, Hannah Gilligan, Dihua Xu, Sophia Zhao, Jules L Dienstag, Raymond T Chung, Ravi I Thadhani
BACKGROUND AND OBJECTIVES: Literature on the prognosis of patients with cirrhosis who require RRT for AKI is sparse and is confounded by liver transplant eligibility. An update on outcomes in the nonlisted subgroup is needed. Our objective was to compare outcomes in this group between those diagnosed with hepatorenal syndrome and acute tubular necrosis, stratifying by liver transplant listing status. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Retrospective cohort study of patients with cirrhosis acutely initiated on hemodialysis or continuous RRT at five hospitals, including one liver transplant center...
November 9, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29115386/protein-extracted-from-porphyra-yezoensis-prevents-cisplatin-induced-nephrotoxicity-by-downregulating-the-mapk-and-nf-%C3%AE%C2%BAb-pathways
#6
In-Hye Kim, Mi-Jin Kwon, Jae-Hun Jung, Taek-Jeong Nam
Acute renal failure is a serious complication of treatment with the anticancer drug cisplatin. Cisplatin exerts a cytotoxic effect on renal cells by inducing apoptosis through activating the tumor suppressor p53, nuclear factor‑κB (NF‑κB) and mitogen‑activated protein kinase (MAPK)/p38 pathways. Effects of protein extracts of the brown seaweed Porphyra yezoensis (P. yezoensis) on cytotoxicity, inflammation and cell proliferation have been reported; however, the effects of P. yezoensis protein (PYP) extract on cisplatin‑induced renal injury have remained elusive...
October 26, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29110506/mouse-population-based-evaluation-of-urinary-protein-and-mirna-biomarker-performance-associated-with-cisplatin-renal-injury
#7
Alison H Harrill, Haixia Lin, Julia Tobacyk, John C Seely
Discovery and qualification of novel biomarkers with improved specificity and sensitivity for detection of xenobiotic-induced injuries is an area of active research across multiple sectors. However, the majority of efforts in this arena have used genetically limited rodent stocks that lack variability in xenobiotic responses inherent to genetically heterogeneous human populations. In this study, genetically diverse Diversity Outbred (DO) mice were used as a surrogate for human clinical populations to investigate performance of urinary kidney biomarkers against classical preclinical kidney injury biomarkers (blood urea nitrogen [BUN] and serum creatinine)...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29097159/the-epidemiology-and-clinical-associations-of-stroke-in-patients-with-acute-myeloid-leukemia-a-review-of-10-972-admissions-from-the-2012-national-inpatient-sample
#8
Christopher Del Prete, Taeha Kim, Frederick Lansigan, Joseph Shatzel, Harley Friedman
BACKGROUND: Acute leukemia is known to confer an elevated risk of both hemorrhagic and thrombotic complications, but the development of stroke in this population is poorly characterized. This study assesses clinical and epidemiologic factors in a population of inpatients with acute myeloid leukemia (AML) and stroke. METHODS: Using the 2012 National Inpatient Sample, demographic and clinical data including age, gender, race, length of stay, in-hospital procedures, discharge diagnosis, disposition, and mortality incidence were extracted...
September 20, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29072572/can-zero-hour-cortical-biopsy-predict-early-graft-outcomes-after-living-donor-renal-transplantation
#9
Ranjeet Singh Rathore, Nisarg Mehta, Sony Bhaskar Mehta, Manas Babu, Devesh Bansal, Biju S Pillai, Mohan P Sam, H Krishnamoorthy
INTRODUCTION: The aim of this study was to identify relevance of subclinical pathological findings in the kidneys of living donors and correlate these with early graft renal function. METHODS: This was a prospective study on 84 living donor kidney transplant recipients over a period of two years. In all the donors, cortical wedge biopsy was taken and sent for assessment of glomerular, mesangial, and tubule status. The graft function of patients with normal histology was compared with those of abnormal histological findings at one, three, and six months, and one year post-surgery...
November 11, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29064181/a-mayo-clinic-13-year-investigation-of-the-syndrome-of-rapid-onset-esrd-among-renal-transplant-recipients-an-analysis-of-the-implications-of-renal-allograft-biopsy-results
#10
REVIEW
Macaulay Amechi Onuigbo, Nneoma Agbasi
INTRODUCTION: We first described the syndrome of rapid onset end stage renal disease (SORO-ESRD), acute yet irreversible renal failure, in 2010. OBJECTIVE: The impact of SORO-ESRD renal allograft survival remains speculative and we plan to study this question. METHODS: A retrospective analysis of individual adult patient-level serum creatinine trajectories of ESRD patients on maintenance hemodialysis for >90 days at Mayo Clinic, Rochester, 2001-2013...
October 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29062187/acute-toxicity-of-commercial-atrazine-in-piaractus-mesopotamicus-histopathological-ultrastructural-molecular-and-genotoxic-evaluation
#11
Paula Pereira de Paiva, Mariana Cruz Delcorso, Valquíria Aparecida Matheus, Sonia Claudia do Nascimento de Queiroz, Carla Beatriz Collares-Buzato, Sarah Arana
AIM: The aim of this work was to evaluate the sensitivity of Pacu fingerlings (Piaractus mesopotamicus) by measuring the effects of median lethal concentration (LC50) of atrazine (ATZ - 28.58 mg/L) after acute exposure (up to 96 h). MATERIALS AND METHODS: The fish were exposed to the LC50 of ATZ for 96 h (28.58 mg/L) in a static system. During the experiment, the fingerlings were randomly distributed in four glass tanks (50 L) containing dechlorinated water. Four glass tanks were for the control group, and four were for the ATZ-exposed group (n=4 per glass tank), given a total number of 16 animals tested per group...
September 2017: Veterinary World
https://www.readbyqxmd.com/read/29051111/perspectives-on-using-a-multiplex-human-kidney-safety-biomarker-panel-to-detect-cisplatin-induced-tubular-toxicity-in-male-and-female-cynomolgus-monkeys
#12
Yafei Chen, J Dale Thurman, Lewis B Kinter, Russell Bialecki, J Eric McDuffie
Multiplex biomarker panel assays would enable early de-risking of discovery compound related kidney safety liabilities. The objective of this study was to evaluate the usefulness of the Myriad RBM Human KidneyMAP (Multi-Analyte Profile)® v.1.0 panel to detect experimental nephrotoxicity in Cynomolgus monkeys following a single intravenous administration of cisplatin (2.5mg/kg). Urine samples were collected at baseline on day -2; at approximately 4hr post-dose on day 1; and on days 4, 9, 15 and/or 20. Blood samples were collected at predose on day -2; at 4hr post-dose on day 1; and on days 2, 5, 10 and/or 21...
October 16, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29050721/acute-kidney-injury-secondary-to-cell-saver-in-posterior-spinal-fusion
#13
Anas A Minkara, Albert Y Lin, Michael G Vitale, David P Roye
BACKGROUND: Autologous blood transfusion, commonly referred to as cell saver, is frequently used in spinal fusion to salvage red blood cells because of the risk of significant intraoperative blood loss. This case report describes a case of acute kidney injury (AKI) secondary to cell saver use. Our objective is to increase the knowledge about the process of red blood cell salvage and this exceedingly rare complication. METHODS: Chart and renal biopsy results for a single case were reviewed and reported in this retrospective study...
November 2017: Spine Deformity
https://www.readbyqxmd.com/read/29045706/kidney-injury-molecule-1-staining-in-renal-allograft-biopsies-10-days-after-transplantation-is-inversely-correlated-with-functioning-proximal-tubular-epithelial-cells
#14
Jonna R Bank, Pieter van der Pol, Dianne Vreeken, Catherine Monge-Chaubo, Ingeborg M Bajema, Nicole Schlagwein, Daniëlle J van Gijlswijk, Sandra W van der Kooij, Marlies E J Reinders, Johan W de Fijter, Cees van Kooten
Background: Kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL) are promising biomarkers for monitoring delayed graft function (DGF) after kidney transplantation. Here we investigated localization and distribution of KIM-1 and NGAL staining in renal allograft biopsies and studied their association with histological features, functional DGF (fDGF) and the tubular function slope (TFS), a functioning proximal tubular epithelial cell (PTEC) marker. Methods: Day 10 protocol biopsies of 64 donation after circulatory death recipients were stained for KIM-1 and NGAL and the positive area was quantified using ImageJ software...
October 16, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29043098/spermidine-is-protective-against-kidney-ischemia-and-reperfusion-injury-through-inhibiting-dna-nitration-and-parp1-activation
#15
Jinu Kim
Kidney ischemia and reperfusion injury (IRI) is associated with a high mortality rate, which is attributed to tubular oxidative and nitrative stresses; however, an effective approach to limit IRI remains elusive. Spermidine, a naturally occurring polyamine, protects yeast cells against aging through the inhibition of oxidative stress and necrosis. In the present study, spermidine supplementation markedly attenuated histological damage and kidney dysfunction during IRI. In addition, exogenous spermidine potently inhibited poly(ADP-ribose) polymerase 1 (PARP1) activation and DNA nitrative/oxidative stress following IRI...
September 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28975767/cd47-blockade-reduces-ischemia-reperfusion-injury-in-donation-after-cardiac-death-rat-kidney-transplantation
#16
Xuanchuan Wang, Min Xu, Jianluo Jia, Zhengyan Zhang, Joseph P Gaut, Gundumi A Upadhya, Pamela T Manning, Yiing Lin, William C Chapman
Modulation of nitric oxide (NO) activity through blockade of CD47 signaling has been shown to reduce ischemia-reperfusion injury (IRI) in various models of tissue ischemia. Here, we evaluate the potential effect of an antibody-mediated CD47 blockade in a syngeneic and an allogeneic DCD rat kidney transplant model. The donor organ was subjected to 1 hr of warm ischemia time after circulatory cessation, then flushed with a CD47 monoclonal antibody (CD47mAb) in the treatment group, or an isotype-matched immunoglobulin in the control group...
October 4, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28975359/urine-metabolomics-insight-into-acute-kidney-injury-point-to-oxidative-stress-disruptions-in-energy-generation-and-h2s-availability
#17
Marta Martin-Lorenzo, Laura Gonzalez-Calero, Angeles Ramos-Barron, Maria D Sanchez-Niño, Carlos Gomez-Alamillo, Juan Manuel García-Segura, Alberto Ortiz, Manuel Arias, Fernando Vivanco, Gloria Alvarez-Llamas
Acute kidney injury (AKI) is one of the main complications in acute care medicine and a risk factor for chronic kidney disease (CKD). AKI incidence has increased; however, its diagnosis has limitations and physiopathological mechanisms are underexplored. We investigated urine samples, aiming to identify major metabolite changes during human AKI evolution. Metabolic signatures found were further explored for a potential link to severity of injury. Twenty-four control subjects and 38 hospitalized patients with AKI were recruited and urine samples were collected at the time of diagnosis, during follow-up and at discharge...
December 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28959659/comparison-of-waterborne-and-intraperitoneal-exposure-to-fipronil-in-the-caspian-white-fish-rutilus-frisii-on-acute-toxicity-and-histopathology
#18
Rashid Alijani Ardeshir, Hossein Zolgharnein, Abdolali Movahedinia, Negin Salamat, Ebrahim Zabihi
Fipronil is an effective insecticide widely used in agriculture with potential ecotoxicological consequences. The median lethal dose (LD50) and concentration (LC50) of fipronil in 16.3 g Caspian white fish, Rutilus frisii kutum fingerlings were determined. To determine the LD50, a total of 133 fish were assigned to 19 tanks (7 fish/tank) including one control and 6 treatment groups (300, 450, 550, 650, 750, 850 mg/kg). Fish were injected intraperitoneally and monitored at 96 h. The LD50 of fipronil was 632 mg/kg suggesting it was slightly toxic to the Caspian white fish...
2017: Toxicology Reports
https://www.readbyqxmd.com/read/28953574/role-of-m2-macrophages-in-sepsis-induced-acute-kidney-injury
#19
Li Xing, Mu Genhua, Song Chunmei, Zhou Liangliang, He Lei, Jin Qin, Lu Zhongqian
BACKGROUND: Sepsis is a major cause of acute kidney injury (AKI), with high rates of morbidity and mortality. M2 macrophages have been shown to play important roles in the secretion of anti-inflammatory and tissue repair mediators. In this study, we investigate the role of M2 macrophages in sepsis-induced AKI by depleting these cells in vivo through the systemic administration of liposomal clodronate (LC). METHODS: Male Sprague-Dawley rats were subjected to cecal ligation and puncture (CLP) or sham surgery...
September 26, 2017: Shock
https://www.readbyqxmd.com/read/28914418/spermidine-rescues-proximal-tubular-cells-from-oxidative-stress-and-necrosis-after-ischemic-acute-kidney-injury
#20
Jinu Kim
Kidney ischemia and reperfusion injury (IRI) is associated with a high mortality rate, which is attributed to tubular oxidative stress and necrosis; however, an effective approach to limit IRI remains elusive. Spermidine, a naturally occurring polyamine, protects yeast cells against aging through the inhibition of oxidative stress and necrosis. In the present study, spermidine supplementation markedly attenuated increases in plasma creatinine concentration and tubular injury score after IRI. In addition, exogenous spermidine potently inhibited oxidative stress, especially lipid peroxidation after IRI in kidneys and exposure to hydrogen peroxide in kidney proximal tubular cells, suppressing plasma membrane disruption and necrosis...
September 15, 2017: Archives of Pharmacal Research
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