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Acute tubular necrosis

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https://www.readbyqxmd.com/read/28640105/glomerulonephritis-and-granulomatous-vasculitis-in-kidney-as-a-complication-of-the-use-of-braf-and-mek-inhibitors-in-the-treatment-of-metastatic-melanoma-a-case-report
#1
Mehdi Maanaoui, Camille Saint-Jacques, Viviane Gnemmi, Marie Frimat, Arnaud Lionet, Marc Hazzan, Christian Noël, François Provot
RATIONALE: BRAF and MEK inhibitors have significantly improved the prognosis of metastatic melanoma, by inhibiting both the mitogen-activated protein kinase (MAP-kinase) pathway. They are associated with infrequent adverse kidney events. Most of these are related to the use of BRAF inhibitors and involve interstitial nephritis with acute tubular necrosis. PATIENT CONCERNS: We report a unique case of glomerulonephritis with renal granulomatous vasculitis in a patient diagnosed with metastatic melanoma treated with BRAF and MEK inhibitors...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28637971/esculentoside-a-ameliorates-cecal-ligation-and-puncture-induced-acute-kidney-injury-in-rats
#2
Guodong Sun, Wei Yang, Yang Zhang, Mingyan Zhao
Esculentoside A (EsA), a saponin isolated from Phytolacca esculenta, can attenuate acute liver and lung injury. However, whether EsA has a protective effect against sepsis-induced acute kidney injury (AKI) has not been reported. In this study, EsA (2.5, 5, or 10 mg/kg) was given to rats with sepsis induced by cecal ligation and puncture (CLP). We found that EsA improved the survival of septic rats in a dose-dependent manner. In addition, EsA lowered the kidney tubular damage score and decreased blood urea nitrogen and creatinine...
June 22, 2017: Experimental Animals
https://www.readbyqxmd.com/read/28627094/-spectrum-of-hepatitis-b-and-renal-involvement
#3
Apurva S Shah, Deepak N Amarapurkar
Renal involvement in hepatitis B occurs in various spectrums and its knowledge is important for clinicians in management of patients. The renal diseases most commonly associated with hepatitis B virus (HBV) infection include membranous nephropathy, membranoproliferative glomerulonephritis, and Polyarteritis nodosa. The widespread use of hepatitis B vaccination has decreased the incidence of HBV-related renal diseases. The incidence of HBV infection in dialysis patients has significantly decreased over the past few decades due to screening of blood products for hepatitis B surface antigen (HBsAg) and hepatitis B core antibody, implementation of infection control measures and hepatitis B vaccination...
June 19, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28625889/massive-attack-of-honeybee-on-macaws-ara-ararauna-and-ara-chloropterus-in-brazil-a-case-report
#4
Elisane Lenita Milbradt, Tarcísio Macedo Silva, Alessandre Hataka, Carlos Roberto Teixeira, Adriano Sakai Okamoto, Raphael Lucio Andreatti Filho
Three adult birds of the species Ara chloropterus and five of the species Ara ararauna from a conservation breeding facility suffered a massive attack by honeybees. The A. chloropterus birds presented swollen puncture lesions with stingers (mainly in the facial regions without feathers), swelling of the eyelids and subcutaneous tissue, and respiratory distress, and they were treated with intramuscular injections of 1.67 mg/kg of promethazine and 10 mg/kg of hydrocortisone followed by removal of the stingers...
June 15, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28619064/protective-effect-of-rutin-supplementation-against-cisplatin-induced-nephrotoxicity-in-rats
#5
Ali R Alhoshani, Mohamed M Hafez, Sufia Husain, Abdel Malek Al-Sheikh, Moureq R Alotaibi, Salim S Al Rejaie, Musaad A Alshammari, Mashal M Almutairi, Othman A Al-Shabanah
BACKGROUND: Cisplatin (CP) is commonly used in the treatment of different types of cancer but nephrotoxicity has been a major limiting factor. Therefore, the present study aimed to study the possible protective effect of rutin against nephrotoxicity induced by cisplatin in rats. METHODS: Forty male Wistar albino rats were randomly divided into 4 groups. Rats of group 1 control group intraperitoneal (i.p.) received 2.5 ml/kg, group 2 CP group received single dose 5 mg/kg cisplatin i...
June 15, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28616216/warfarin-related-nephropathy-induced-by-three-different-vitamin-k-antagonists-analysis-of-13-biopsy-proven-cases
#6
Léonard Golbin, Cécile Vigneau, Guy Touchard, Eric Thervet, Jean-Michel Halimi, Théophile Sawadogo, Nathan Lagoutte, Pascale Siohan, Elie Zagdoun, Alexandre Hertig, Nathalie Rioux-Leclercq, Thierry Frouget
Background: Acute kidney injury (AKI) with renal tubular obstruction by red blood cell casts (RBCC) has been described in patients treated with warfarin and is known as warfarin-related nephropathy (WRN). Methods: To determine whether other vitamin K antagonists (VKA) cause WRN, we retrospectively collected and analyzed the clinical and histological data of 13 patients treated with different VKA (seven with fluindione, four with warfarin and two with acenocoumarol) in seven French hospitals. Results: They all developed gross hematuria following overanticoagulation complicated by severe AKI (median serum creatinine concentration = 693 μmol/L)...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28612667/all-that-glitters-yellow-is-not-gold-presentation-and-pathophysiology-of-bile-cast-nephropathy
#7
Mitchell Pitlick, Prerna Rastogi
BACKGROUND: Acute kidney injury (AKI) often manifests in patients with liver disease because of a prerenal cause and presents as acute tubular necrosis or hepatorenal syndrome. Distinguishing between these entities is important for prognosis and treatment. Some patients may develop AKI related to their underlying liver disease: for example, membranoproliferative glomerulonephritis or IgA nephropathy. Bile cast nephropathy is an often ignored differential diagnosis of AKI in the setting of obstructive jaundice...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28598694/kiwifruit-ameliorates-gentamicin-induced-histological-and-histochemical-alterations-in-the-kidney-of-albino-mice
#8
Y I Mahmoud, S Farag
Gentamicin is an antibiotic used worldwide for treating Gram-negative bacterial infections. Gentamicin causes nephrotoxicity in up to 25% of therapeutic cases owing to increased production of free radicals. Kiwifruit are nutrient-dense fruits that have proven effective for ameliorating many pathological conditions caused by oxidative stress. We investigated the possible prophylactic and therapeutic effects of kiwifruit on the changes in renal histology and histochemistry caused by gentamicin. Intramuscular injection of mice with gentamicin for 10 consecutive days was nephrotoxic as indicated by epithelial vacuolization, glomerular atrophy and tubular necrosis...
June 9, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28591253/acute-kidney-injury-complicating-bee-stings-a-review
#9
Geraldo Bezerra da Silva, Adolfo Gomes Vasconcelos, Amanda Maria Timbó Rocha, Vanessa Ribeiro de Vasconcelos, João de Barros, Julye Sampaio Fujishima, Nathália Barros Ferreira, Elvino José Guardão Barros, Elizabeth De Francesco Daher
Bee stings can cause severe reactions and have caused many victims in the last years. Allergic reactions can be triggered by a single sting and the greater the number of stings, the worse the prognosis. The poisoning effects can be systemic and can eventually cause death. The poison components are melitin, apamin, peptide 401, phospholipase A2, hyaluronidase, histamine, dopamine, and norepinephrine, with melitin being the main lethal component. Acute kidney injury (AKI) can be observed in patients suffering from bee stings and this is due to multiple factors, such as intravascular hemolysis, rhabdomyolysis, hypotension and direct toxicity of the venom components to the renal tubules...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28587817/human-renal-tubular-cells-contain-cd24-cd133-progenitor-cell-populations-implications-for-tubular-regeneration-after-toxicant-induced-damage-using-cadmium-as-a-model
#10
Swojani Shrestha, Seema Somji, Donald A Sens, Andrea Slusser-Nore, Divyen H Patel, Evan Savage, Scott H Garrett
The proximal tubules of the kidney are target sites of injury by various toxicants. Cadmium (Cd(+2)), an environmental nephrotoxicant can cause adverse effects and overt renal damage. To decipher the mechanisms involved in nephrotoxicity, an in vitro model system is required. Mortal cultures of human proximal tubule (HPT) cells have served, as models but are difficult to acquire and do not lend themselves to stable transfection. The immortalized human proximal tubule cell line HK-2, has served as a model but it lacks vectorial active transport and shows signs of lost epithelial features...
June 3, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28586044/noninvasive-detection-of-acute-renal-allograft-rejection-by-measurement-of-soluble-tim-3-in-urine
#11
Dajin Chen, Wenhan Peng, Hong Jiang, Hao Yang, Jianyong Wu, Huiping Wang, Jianghua Chen
The purpose of the present study was to assess whether urinary soluble T-cell immunoglobulin and mucin domain-containing protein 3 (sTim-3) could be adopted as a novel non‑invasive biomarker for acute rejection (AR) following renal transplantation. A total of 156 patients were enrolled between January 2006 and December 2009, comprising 49 patients with biopsy‑proven AR, 58 patients with stable grafts and no abnormal histological findings (NO‑AR), 10 patients with subclinical rejection (SCR) in protocol biopsies, 10 patients with acute tubular necrosis (ATN) and 29 patients with chronic allograft nephropathy (CAN)...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28579836/update-on-the-renal-toxicity-of-iodinated-contrast-drugs-used-in-clinical-medicine
#12
REVIEW
Michele Andreucci, Teresa Faga, Raffaele Serra, Giovambattista De Sarro, Ashour Michael
An important side effect of diagnostic contrast drugs is contrast-induced acute kidney injury (CI-AKI; a sudden decrease in renal function) occurring 48-72 hours after injection of a contrast drug that cannot be attributed to other causes. Its existence has recently been challenged, because of some retrospective studies in which the incidence of AKI was not different between subjects who received a contrast drug and those who did not, even using propensity score matching to prevent selection bias. For some authors, only patients with estimated glomerular filtration rate <30 mL/min/1...
2017: Drug, Healthcare and Patient Safety
https://www.readbyqxmd.com/read/28566503/heavy-metal-suicide
#13
Andreas Linkermann, Brent R Stockwell, Tom Vanden Berghe
In acute kidney injury (AKI), the majority of dying tubular cells succumbs to an iron-dependent form of regulated necrosis, referred to as ferroptosis. Ferroptosis is essentially mediated by iron-catalyzed lipid peroxidation upon GPX4 dysfunction. Heme oxygenase 1 (HO-1) is a master regulator of intracellular free iron due to the conversion of heme to iron, carbon monoxide, and biliverdin(12), and therefore represents a potential regulator of ferroptotic cell death. In this issue of AJP - Renal Physiology, Adedoyin et al...
May 31, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28566468/smad7-protects-against-acute-kidney-injury-by-rescuing-tubular-epithelial-cells-from-the-g1-cell-cycle-arrest
#14
Sha Fu, Ying Tang, Xiao Ru Huang, Min Feng, Anping Xu, Hui Y Lan
Smad7 plays a protective role in chronic kidney disease; however, its role in acute kidney injury (AKI) remains unexplored. Here we report that Smad7 protects against AKI by rescuing the G1 cell cycle arrest of tubular epithelial cells (TECs) in ischemia/reperfusion-induced AKI in mice in which Smad7 gene is disrupted or restored locally into the kidney. In Smad7 gene knockout (KO) mice, more severe renal impairment including higher levels of serum creatinine and massive tubular necrosis was developed at 48 h after AKI...
May 31, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28554738/circulating-donor-specific-anti-hla-antibodies-are%C3%A2-a%C3%A2-major-factor-in-premature-and-accelerated-allograft-fibrosis
#15
Clément Gosset, Denis Viglietti, Marion Rabant, Jérôme Vérine, Olivier Aubert, Denis Glotz, Christophe Legendre, Jean-Luc Taupin, Jean-Paul Duong Van-Huyen, Alexandre Loupy, Carmen Lefaucheur
Addressing the causes of kidney allograft-accelerated aging is an important challenge for improving long-term transplant outcomes. Here we investigated the role of circulating donor-specific anti-HLA antibodies (HLA-DSAs) in the development and the progression of kidney allograft fibrosis with inclusion of traditional risk factors for allograft fibrosis. We prospectively enrolled 1539 consecutive kidney recipients transplanted in two centers and assessed interstitial fibrosis and tubular atrophy (IF/TA) in biopsies performed at one year post-transplantation...
May 26, 2017: Kidney International
https://www.readbyqxmd.com/read/28552699/the-impact-of-kidney-disease-on-acute-tubular-necrosis-and-surgical-site-infection-after-lumbar-fusion
#16
Jonathan Nakhla, Rafael de la Garza Ramos, Niketh Bhashyam, Andrew Kobets, Rani Nasser, Murray Echt, Gernot Lang, Rodrigo Navarro-Ramirez, Ajit Jada, Merritt Kinon, Reza Yassari
No abstract text is available yet for this article.
May 24, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28549670/cilastatin-attenuates-vancomycin-induced-nephrotoxicity-via-p-glycoprotein
#17
Dai Sig Im, Hye Jin Shin, Keum Jin Yang, So Young Jung, Ho Yeon Song, Hyeon Seok Hwang, Hyo-Wook Gil
BACKGROUND: Oxidative stress is one of the main pathogenic mechanisms in vancomycin-induced nephrotoxicity (VIN). Some studies suggest proximal renal tubular cell necrosis by vancomycin accumulation as a mechanism of nephrotoxicity, and other studies demonstrate that cilastatin has protective effects against drug-induced nephrotoxicity. We investigated whether cilastatin regulates p-gp expression and whether cilastation prevents VIN. MATERIALS AND METHODS: We conducted an in vitro study using an immortalized proximal tubule epithelial cell line from a normal adult human kidney (HK-2) and an in vivo study using male C57BL/6J mice...
May 23, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28545504/a-case-report-of-zinc-phosphide-poisoning-complicated-by-acute-renal-failure-and-tubulo-interstitial-nephritis
#18
Nilukshana Yogendranathan, H M M T B Herath, Thenuka Sivasundaram, R Constantine, Aruna Kulatunga
BACKGROUND: Run Rat® is a rodenticide widely used against small mammals. It comprises of a minimum of 32% zinc phosphide which is highly toxic in acute exposures to humans. It may be consumed accidentally or intentionally. It enters the body via skin, respiratory and gastrointestinal tracts. Zinc phosphide is hydrolyzed by the gastric acid and is transformed into phosphine gas. Phosphine is a respiratory toxin that inhibits cytochrome C oxidase system resulting in renal failure and liver failure...
May 25, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28544540/serum-adrenomedullin-and-urinary-thromboxane-b2-help-early-categorizing-acute-kidney-injury-in-de-compensated-cirrhotic-patients-a-prospective-cohort-study
#19
Chih-Wei Liu, Chia-Chang Huang, Hung-Cheng Tsai, Yen-Bo Su, Shiang-Fen Huang, Kuei-Chuan Lee, Yun-Cheng Hsieh, Tzu-Hao Li, Chang-Youh Tsai, Lee-Won Chong, Shuo-Ming Ou, Ying-Ying Yang, Wen-Chien Fan, Ming-Chih Hou, Han-Chieh Lin, Shou-Dong Lee
AIMS: Increases in the systemic vasodilator adrenomedullin and the renal vasoconstrictors thromboxane A2 (TXA2 ) in cirrhotic patients are pathogenic factors for the development of functional acute-kidney-injury, including pre-renal azotemia (PRA) and hepatorenal syndrome (HRS), which is associated with high mortality. This study aims to find biomarkers which can diagnose HRS in early stage for treating it as soon as possible. METHODS: Acute decompensated cirrhotic patients who had been admitted to hospital were enrolled in this prospective cohort study...
May 20, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28540855/interest-of-the-combined-measurement-of-selected-urinary-proteins-in-the-diagnosis-approach-in-nephrology
#20
Jean-Philippe Bastard, Soraya Fellahi, François-Xavier Lescure, Jacqueline Capeau, Pierre Ronco, Emmanuelle Plaisier
Determination of the protein composition of urine is a non-invasive method helping to diagnose renal lesions and evaluate therapeutic interventions. We present here five observations that highlight the performance and relevance of urine protein analysis combining selected glomerular and tubular protein measurements. Total urine protein level and measurements of urinary IgG, albumin, transferrin alpha-1 microglobulin and retinol binding protein were performed on a urine sample by immunonephelometry. The results were normalized for urine creatinine concentration and integrated in the MDI interpretation software that provides a "urine protein profile" (UPP)...
June 1, 2017: Annales de Biologie Clinique
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