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Acute tubular necrosis

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https://www.readbyqxmd.com/read/28331061/an-intracellular-matrix-metalloproteinase-2-isoform-induces-tubular-regulated-necrosis-implications-for-acute-kidney-injury
#1
Carla S Ceron, Celine Baligand, Sunil K Joshi, Shaynah Wanga, Patrick M Cowley, Joy P Walker, Sang Heon Song, Rajeev Mahimkar, Anthony J Baker, Robert L Raffai, Zhen J Wang, David H Lovett
Acute kidney injury (AKI) causes severe morbidity, mortality, and chronic kidney disease (CKD). Mortality is particularly marked in the elderly and with pre-existing CKD. Oxidative stress is a common theme in models of AKI induced by ischemia/reperfusion (I/R) injury. We recently characterized an intracellular isoform of matrix metalloproteinase-2 (MMP-2) induced by oxidative stress-mediated activation of an alternate promoter in the first intron of the MMP-2 gene. This generates an N-terminal truncated MMP-2 isoform (NTT-MMP-2) that is intracellular and associated with mitochondria...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28296550/protective-effects-of-salusin-%C3%AE-and-salusin-%C3%AE-on-renal-ischemia-reperfusion-damage-and-their-levels-in-ischemic-acute-renal-failure
#2
M Cakir, H Duzova, A Taslidere, G Orhan, F Ozyalin
Salusin-α and salusin-β are expressed in many tissues including the central nervous system, vessels and kidneys; they have been shown to decrease endoplasmic reticulum stress during heart ischemia/reperfusion (I/R) and to decrease apoptosis. We investigated the relation of salusin-α and salusin-β levels to acute ischemic renal failure. We also investigated whether these peptides are protective against renal I/R damage. Fifty-three rats were divided into six groups: control, I/R, I/R + salusin-α1, I/R + salusin-α10, I/R + salusin-β1 and I/R + salusin-β10...
2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28293378/hepatorenal-syndrome-update-on-diagnosis-and-therapy
#3
EDITORIAL
Juan G Acevedo, Matthew E Cramp
Hepatorenal syndrome (HRS) is a manifestation of extreme circulatory dysfunction and entails high morbidity and mortality. A new definition has been recently recommended by the International Club of Ascites, according to which HRS diagnosis relies in serum creatinine changes instead that on a fixed high value. Moreover, new data on urinary biomarkers has been recently published. In this sense, the use of urinary neutrophil gelatinase-associated lipocalin seems useful to identify patients with acute tubular necrosis and should be employed in the diagnostic algorithm...
February 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28284383/tubulointerstitial-injury-and-drugs-of-abuse
#4
REVIEW
Arani Nanavati, Leal C Herlitz
Drug abuse is widespread in many populations, and patients abusing illicit substances are at a significantly increased risk of kidney injury. The tubulointerstitial compartment is a common target of these nephrotoxic agents. This review will cover some of the common illicit drugs and will focus on the tubulointerstitial injuries seen in the setting of drug abuse. Agents addressed in this review are synthetic cannabinoids, "bath salts," ecstasy, anabolic steroids, inhaled solvents, heroin, and cocaine. The most frequent biopsy findings are those of acute tubular necrosis and acute interstitial nephritis...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28284381/mechanisms-of-drug-induced-interstitial-nephritis
#5
REVIEW
Rajeev Raghavan, Saed Shawar
Drug-induced acute interstitial nephritis (DI-AIN) is a drug hypersensitivity reaction (DHR) that manifests 7 to 10 days after exposure to the culprit drug. DHRs account for fewer than 15% of reported adverse drug reactions. The kidneys are susceptible to DHR because: (1) the high renal blood flow whereby antigens are filtered, secreted, or concentrated, and (2) it is a major site of excretion for drugs and drug metabolites. More than 250 different drugs from various classes have been incriminated as causative agents of DI-AIN, the third most common cause of acute kidney injury in the hospital...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28284380/clinical-approach-to-diagnosing-acute-and-chronic-tubulointerstitial-disease
#6
REVIEW
Mark A Perazella
Tubulointerstitial diseases are a relatively common cause of acute and/or chronic kidney disease. Acute tubulointerstitial nephritis (ATIN) most commonly develops in patients exposed to various medications; however, it can occur from infections, autoimmune and systemic diseases, environmental exposures, and some idiopathic causes. Chronic tubulointerstitial nephritis may develop in patients with previous ATIN or may be the initial manifestation of an autoimmune, systemic, environmental, or metabolic process...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28260445/renal-impairment-and-complication-after-kidney-transplant-at-queen-rania-abdulla-children-s-hospital
#7
Reham Issa Almardini, Ghazi Mohamad Salita, Mahdi Qasem Farah, Issa Ahmad Katatbeh, Katibh Al-Rabadi
OBJECTIVES: Kidney transplant is the treatment of choice for end-stage renal disease, but it is not without complications. We review the medical cause of significant renal impairment and complications that developed after kidney transplant in pediatric patients who required hospital admission and intervention and/or who were followed between 2007 and 2016. MATERIALS AND METHODS: A retrospective noninterventional chart review study was conducted in pediatric patients who received a kidney transplant and/or followed at the nephrology clinic at Queen Rania Abdulla Children's Hospital between 2007 and 2016...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28240739/tubular-peroxiredoxin-3-as-a-predictor-of-renal-recovery-from-acute-tubular-necrosis-in-patients-with-chronic-kidney-disease
#8
Chia-Lin Wu, Tzu-Cheng Su, Chia-Chu Chang, Chew-Teng Kor, Chung-Ho Chang, Tao-Hsiang Yang, Ping-Fang Chiu, Der-Cherng Tarng
Peroxiredoxin 3 (PRX3) is a mitochondrial antioxidant that regulates apoptosis in various cancers. However, whether tubular PRX3 predicts recovery of renal function following acute kidney injury (AKI) remains unknown. This retrospective cohort study included 54 hospitalized patients who had AKI with biopsy-proven acute tubular necrosis (ATN). The study endpoint was renal function recovery within 6 months. Of the 54 enrolled patients, 25 (46.3%) had pre-existing chronic kidney disease (CKD) and 33 (61%) recovered renal function...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224201/dexmedetomidine-protects-against-cisplatin-induced-acute-kidney-injury-in-mice-through-regulating-apoptosis-and-inflammation
#9
H Liang, H-Z Liu, H-B Wang, J-Y Zhong, C-X Yang, B Zhang
OBJECTIVE AND DESIGN: Cisplatin-based chemotherapy has been widely used in the perioperative period of cancer surgery, which exacerbates the risk of renal injury. In this study, we examined whether dexmedetomidine (DEX), a commonly used anesthetic adjuvant, shows a protective effect against cisplatin-induced acute kidney injury. MATERIALS: Acute kidney injury in mice was induced by cisplatin. TREATMENTS: Mice were administered with DEX 25 μg/kg or atipamezole 250 μg/kg (once a day, for 3 days) after cisplatin treatment...
February 21, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28219912/anticoagulant-related-nephropathy-in-a-patient-with-iga-nephropathy
#10
Mário Góis, Ariana Azevedo, Fernanda Carvalho, Fernando Nolasco
Anticoagulant-related nephropathy is a type of acute kidney injury caused by overcoagulation. We describe a case of an 84-year-old man with arterial hypertension, coronary heart disease and atrial fibrillation treated with acenocoumarol, who presented with haematoproteinuria and acute kidney injury during a phase of excessive anticoagulation. In addition to IgA nephropathy, renal biopsy also revealed acute tubular necrosis, red blood cell casts and positive iron staining in tubular cells. After this acute episode, renal function improved and proteinuria decreased below the nephrotic range...
February 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28215032/nlrp3-inflammasome-activation-regulated-by-nf-%C3%AE%C2%BAb-and-dapk-contributed-to-paraquat-induced-acute-kidney-injury
#11
Zhenning Liu, Xiaokai Wang, Yu Wang, Min Zhao
Paraquat can result in dysfunction of multiple organs after ingestion in human. However, the mechanisms of nucleotide-binding domain and leucine-rich repeat containing protein 3 (NLRP3) inflammasome activation in acute kidney injury have not been clearly demonstrated. The aim of this study was to determine the effect of NLRP3 inflammasome activation and its regulation by nuclear factor-kappa B (NF-κB) and death-associated protein kinase (DAPK). Male Wistar rats were treated with intraperitoneal injection of paraquat at 20 mg/kg, and NF-κB inhibitor BAY 11-7082 was pretreated at 10 mg/kg 1 h before paraquat exposure...
February 18, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28190920/acute-alloxan-renal-toxicity-in-the-rat-initially-causes-degeneration-of-thick-ascending-limbs-of-henle
#12
Yui Terayama, Yasushi Kodama, Tetsuro Matsuura, Kiyokazu Ozaki
Alloxan (AL) is a material well-known to induce diabetes. Prior to inducing a prolonged diabetic state, AL causes acute tubulointerstitial nephritis. However, the precise primary target site and mechanism of its nephrotoxicity remain unclear. The objective of this study was to evaluate the morphological characteristics relevant to acute renal toxicity following AL administration. Rats were intravenously treated with AL. Eight hours after AL treatment, aquaporin 1-negative and Na/K pump-positive thick ascending limbs of Henle (TAL) were degenerated in the outer medulla...
January 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28167630/early-phase-mast-cell-activation-determines-the-chronic-outcome-of-renal-ischemia-reperfusion-injury
#13
Luca Danelli, Lydia Celia Madjene, Iris Madera-Salcedo, Gregory Gautier, Emeline Pacreau, Sanae Ben Mkaddem, Nicolas Charles, Eric Daugas, Pierre Launay, Ulrich Blank
Ischemia-reperfusion injury (IRI) is an important cause of acute kidney injury that can lead to end-stage renal failure. Although the ensuing inflammatory response can restore homeostasis, a consecutive maladaptive repair and persistent inflammation represent important risk factors for postischemic chronic kidney disease development. In this study, we investigated the role of mast cells in both the early and late phases of the inflammatory response in experimental models of acute and chronic renal IRI using our recently developed mouse model that allows conditional ablation of mast cells...
February 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28148909/en-bloc-transplant-of-the-liver-kidney-and-pancreas-experience-from-a-latin-american-transplant-center
#14
Luis A Caicedo, Jorge I Villegas, Oscar Serrano, Mauricio Millán, Mauricio Sepúlveda, Diego Jiménez, Jairo García, Juan G Posada, Liliana Mesa, Carlos Duran, Johanna Schweineberg, Diana Dávalos, Eliana Manzi, Angie Sabogal, Ana María Aristizabal, Gabriel J Echeverri
BACKGROUND En-bloc transplantation is a surgical procedure in which multiple organs are transplanted simultaneously. It has some similarities with multi-organ transplantation but offers certain advantages. This report highlights the experience of our interdisciplinary group regarding the treatment and follow-up of patients who received en-bloc transplantation, with the aim of encouraging the development of this surgical technique. CASE REPORT The first case is a 38-year-old patient with type 1 diabetes mellitus, liver cirrhosis, and chronic kidney failure who received an en-bloc transplant of the liver, pancreas, and kidney with no intraoperative complications...
February 2, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28139717/deferasirox-induced-iron-depletion-promotes-bclxl-downregulation-and-death-of-proximal-tubular-cells
#15
Diego Martin-Sanchez, Angel Gallegos-Villalobos, Miguel Fontecha-Barriuso, Susana Carrasco, Maria Dolores Sanchez-Niño, Francisco J Lopez-Hernandez, Marta Ruiz-Ortega, Jesus Egido, Alberto Ortiz, Ana Belén Sanz
Iron deficiency has been associated with kidney injury. Deferasirox is an oral iron chelator used to treat blood transfusion-related iron overload. Nephrotoxicity is the most serious and common adverse effect of deferasirox and may present as an acute or chronic kidney disease. However, scarce data are available on the molecular mechanisms of nephrotoxicity. We explored the therapeutic modulation of deferasirox-induced proximal tubular cell death in culture. Deferasirox induced dose-dependent tubular cell death and AnexxinV/7AAD staining showed features of apoptosis and necrosis...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28138736/the-intensive-care-medicine-agenda-on-acute-kidney-injury
#16
REVIEW
Peter Pickkers, Marlies Ostermann, Michael Joannidis, Alexander Zarbock, Eric Hoste, Rinaldo Bellomo, John Prowle, Michael Darmon, Joseph V Bonventre, Lui Forni, Sean M Bagshaw, Miet Schetz
Acute kidney injury (AKI) is a common complication in the critically ill. Current standard of care mainly relies on identification of patients at risk, haemodynamic optimization, avoidance of nephrotoxicity and the use of renal replacement therapy (RRT) in established AKI. The detection of early biomarkers of renal tissue damage is a recent development that allows amending the late and insensitive diagnosis with current AKI criteria. Increasing evidence suggests that the consequences of an episode of AKI extend long beyond the acute hospitalization...
January 30, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28133684/antioxidant-effect-of-vitamin-e-and-5-aminosalicylic-acid-on-acrylamide-induced-kidney-injury-in-rats
#17
Nisreen A Rajeh, Najlaa M Al-Dhaheri
To explore renal toxicity caused by sub-acute exposure of acrylamide and to study the protective effect of 5-Aminosalicylic acid (5-ASA) and Vitamin E (vit-E)on Acrylamide (ACR) induced renal toxicity. Methods: This study was conducted at King Fahad Medical Research Centre, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia, between August and November 2015. A total of 49 adult Wistar rats (250 ± 20g) aged 60 days were kept in a controlled environment and used in the present study. The rats were divided into 7 groups (control, ACR alone, ACR+5-ASA, ACR+vit-E, ACR+ASA+vit-E, vit-E alone, and ASA alone)...
February 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28129098/expression-of-kidney-injury-molecule-1-in-healthy-and-diseased-feline-kidney-tissue
#18
S K Bland, C W Schmiedt, M E Clark, J DeLay, D Bienzle
Sensitive markers to detect acute kidney injury (AKI) in cats are lacking. Kidney injury molecule-1 (KIM-1) is a promising marker of acute tubular injury in humans, and sequence and structure of feline KIM-1 have been determined. KIM-1 is shed into urine of cats with natural AKI. The objectives of this study were to characterize temporal and cellular expression of KIM-1 in kidneys from cats without and with experimental and natural AKI using histopathology and immunohistochemistry. Tissue sections from 8 cats without kidney disease, 3 to 4 cats with experimentally induced AKI on each day 1, 3, 6, and 12 after unilateral ischemia/reperfusion, and 9 cats with natural AKI were assessed...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28112049/kidney-disease-in-hepatitis-b-surface-antigen-positive-children-experience-from-a-centre-in-south-west-nigeria-and-a-review-of-the-nigerian-literature
#19
Adanze O Asinobi, Adebowale D Ademola, Clement A Okolo, Adedayo A Adepoju, Susan M Samuel, Wendy E Hoy
BACKGROUND: Kidney disease is an important extra-hepatic manifestation of hepatitis B virus (HBV) infection. However, there is paucity of recent literature on kidney disease in children and adolescents with HBV infection from several parts of sub-Saharan Africa including Nigeria. OBJECTIVE: To review the pattern of kidney disease in hepatitis B surface antigen (HBsAg)-positive children and adolescents seen at a tertiary hospital in south-west Nigeria. METHODS: A retrospective study was undertaken of HBsAg-seropositive children with kidney disease managed at University College Hospital, Ibadan, from January 2004 to December 2015...
January 23, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28109741/eight-unexpected-cases-of-vancomycin-associated-acute-kidney-injury-with-contemporary-dosing
#20
J Nicholas O'Donnell, Cybele Ghossein, Nathaniel J Rhodes, Jessica Peng, Tina Lertharakul, C Kim Pham, Marc H Scheetz
Vancomycin is one of the most commonly utilized antibiotics in US hospitals. It remains the drug of choice for the treatment of serious infections caused by methicillin-resistant Staphylococcus aureus. For many of these deep-seated infections, guidelines recommend achieving troughs of 15-20 mg/L for treatment efficacy. At our institution we observed a number of cases of presumed vancomycin-induced acute tubular necrosis clinically diagnosed by the nephrology service. We report eight cases of presumed vancomycin-induced acute tubular necrosis, three of which required hemodialysis before resolution of nephrotoxicity...
January 18, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
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