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https://www.readbyqxmd.com/read/28924087/menhaden-oil-rich-diet-and-experimental-renal-damage-due-to-ischemia-reperfusion
#1
Georgina P Ossani, Ariel R Marcotegui, Ana M Uceda, Alberto J Monserrat, Nestor R Lago, Juan C Perazzo
Renal necrosis can be induced in weanling rats due to choline deficient diet. Menhaden oil has a protective effect against the development of renal necrosis in choline deficient weanling rats. The aim of this work was to determine the effects of menhaden oil in a model of acute kidney injury due to ischemia reperfusion. Wistar rats were divided into two groups and fed vegetable oils or menhaden oil as lipids. Unilateral renal ischemia was performed for 30 minutes and animals were sacrificed 48 hours later. Histopathological examination showed no significant differences between groups...
September 15, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28923783/bmp7-induced-pten-inhibits-akt-and-prevents-renal-fibrosis
#2
Debra F Higgins, Leah Ewart, Enda Masterson, Sadhbh Tennant, Gleb Grebnev, Marco Prunotto, Sylvia Pomposiello, Karin Conde-Knape, Finian M Martin, Catherine Godson
Bone morphogenetic protein-7 (BMP-7) counteracts pro-fibrotic effects of TGFβ1 in cultured renal cells and protects from fibrosis in acute and chronic renal injury models. Using the unilateral ureteral obstruction (UUO) model of chronic renal fibrosis, we investigated the effect of exogenous-rhBMP-7 on pro-fibrotic signaling pathways mediated by TGFβ1 and hypoxia. Mice undergoing UUO were treated with vehicle or rhBMP-7 (300μg/kg i.p.) every other day for eight days and kidneys analysed for markers of fibrosis and SMAD, MAPK, and PI3K signaling...
September 15, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28914202/statins-and-contrast-induced-nephropathy-a-systematic-review-and-meta-analysis
#3
Alexandros Briasoulis, Mohan Pala, Tesfaye Telila, Obsinet Merid, Emmanuel Akintoye, Georgia Vogiatzi, Evangelos Oikonomou, Dimitris Tousoulis
Contrast-induced nephropathy (CIN) is a type of acute kidney injury associated with intravascular administration of iodinated contrast, usually reversible. Contrast agents are an essential component of invasive and noninvasive coronary angiography. These agents have been modified over time to enhance patient safety and tolerability, but adverse reactions still occur. CIN has been variably defined, as a rise in serum creatinine of 0.5 mg/dl, or a 25% increase in serum creatinine above baseline within 24-72 hours after the procedure...
September 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28894081/eculizumab-in-renal-transplantation-a-2017-update
#4
Ryszard Grenda, Magdalena Durlik
Despite ongoing progress in renal transplantation, there are still emerging challenges in this field, including consequences of ischemia-reperfusion injury (IRI), pre-existing and produced de novo anti-HLA donor-specific antibodies (DSA), and acute/chronic humoral rejection (AMR), as well as the recurrence of atypical hemolytic-uremic syndrome (aHUS) in genetically predisposed patients. All these conditions are related to the prominent role of the complement system and are deleterious to the fate of the renal graft...
September 12, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28882126/predictors-of-acute-renal-injury-study-paris-among-hiv-positive-individuals-design-and-methods
#5
Celia P Corona-Villalobos, Michael G Shlipak, Adrienne Tin, Chirag Parikh, Richard D Moore, Eric Vittinghoff, Jose Manuel Monroy-Trujillo, Mohamed G Atta, Michelle M Estrella
BACKGROUND: Acute kidney injury (AKI), which is common among HIV-positive individuals, may contribute to the excess burden of chronic kidney disease (CKD) in this patient population; however, conventional clinical methods to detect AKI do not capture kidney injury sufficiently early to prevent irreversible damage. Further, large observational and interventional studies of AKI generally exclude HIV-positive persons in spite of their disproportionate risk. METHODS: The Predictors of Acute Renal Injury Study (PARIS) is a prospective observational cohort study among HIV-positive individuals established to determine the ability of candidate kidney injury biomarkers to predict future hospitalized clinical AKI, to characterize hospitalized subclinical AKI, and to discern the risk of progressive kidney disease following subclinical and clinical AKI...
September 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28877881/regulatory-t-cells-in-acute-and-chronic-kidney-diseases
#6
Rahul Sharma, Gilbert R Kinsey
The Foxp3-expressing CD4(+) regulatory T cells (Tregs), which is a subset of the helper T-cells (Th), constitute one of the major mechanisms of peripheral tolerance. Tregs prevent abnormal activation of the immune system throughout the lifespan, thus protecting from autoimmune and inflammatory diseases. Recent studies have elucidated the role of Tregs beyond autoimmunity. Tregs play important functions in controlling not only innate and adaptive immune cell activation, but also regulate non-immune cell function during insults and injury...
September 6, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28871336/zoledronate-dysregulates-fatty-acid-metabolism-in-renal-tubular-epithelial-cells-to-induce-nephrotoxicity
#7
Lili Cheng, Mengmeng Ge, Zhou Lan, Zhilong Ma, Wenna Chi, Wenhua Kuang, Kun Sun, Xinbin Zhao, Ye Liu, Yaqian Feng, Yuedong Huang, Maoguo Luo, Liping Li, Bin Zhang, Xiaoyu Hu, Lina Xu, Xiaohui Liu, Yi Huo, Haiteng Deng, Jinliang Yang, Qiaoran Xi, Yonghui Zhang, Julie A Siegenthaler, Ligong Chen
Zoledronate is a bisphosphonate that is widely used in the treatment of metabolic bone diseases. However, zoledronate induces significant nephrotoxicity associated with acute tubular necrosis and renal fibrosis when administered intravenously. There is speculation that zoledronate-induced nephrotoxicity may result from its pharmacological activity as an inhibitor of the mevalonate pathway but the molecular mechanisms are not fully understood. In this report, human proximal tubular HK-2 cells and mouse models were combined to dissect the molecular pathways underlying nephropathy caused by zoledronate treatments...
September 4, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28869953/acute-kidney-injury-following-ingestion-of-henna-leaf-extract-a-case-report-from-myanmar
#8
Yi Yi Khine
Alternative medicine is gaining popularity worldwide. In Asia, particularly Southeast Asia, herbal medicine plays an important role in healthcare. A 34-year-old man from Yangon, Myanmar, was admitted to the medical ward of our hospital after ingesting a herbal remedy of boiled henna leaves (Dan Ywet in Burmese). He developed hemoglobinuria leading to acute kidney injury (AKI). The insult was severe, and he underwent 5 sessions of hemodialysis. His condition improved and within 7 weeks of injury, he made a full recovery...
2017: Blood Purification
https://www.readbyqxmd.com/read/28869251/cardiac-surgery-associated-acute-kidney-injury-risk-factors-pathophysiology-and-treatment
#9
REVIEW
Ying Wang, Rinaldo Bellomo
Cardiac surgery-associated acute kidney injury (CSA-AKI) is the most common clinically important complication in adult patients undergoing open heart surgery, and is associated with increased mortality and morbidity. In patients in intensive care units, CSA-AKI is the second most common type of AKI after septic AKI. In this Review, we explore the definition of CSA-AKI, discuss its epidemiology and identify its risk factors. We discuss current theories of the pathophysiology of CSA-AKI and describe its clinical course...
September 4, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28858976/galectin-3-pharmacological-inhibition-attenuates-early-renal-damage-in-spontaneously-hypertensive-rats
#10
Ernesto Martínez-Martínez, Jaime Ibarrola, Amaya Fernández-Celis, Laurent Calvier, Celine Leroy, Victoria Cachofeiro, Patrick Rossignol, Natalia López-Andrés
BACKGROUND: The pharmacological blockade of galectin-3 (Gal-3), a β-galactoside-binding lectin, reduces renal impairment in acute kidney injury, hyperaldosteronism or nephropathy. We herein investigated the effects of pharmacological Gal-3 inhibition by modified citrus pectin (MCP) in renal damage in spontaneously hypertensive rats (SHRs). METHODS AND RESULTS: Gal-3 inhibition did not modify blood pressure levels in 30-week-old SHR. Kidney weight was higher in SHR, with no effect of MCP treatment (100 mg/kg/day in the drinking water)...
August 30, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28857811/biomarker-guided-intervention-to-prevent-acute-kidney-injury-after-major-surgery-the-prospective-randomized-bigpak-study
#11
Ivan Göcze, Dominik Jauch, Markus Götz, Pascal Kennedy, Bettina Jung, Florian Zeman, Carsten Gnewuch, Bernhard M Graf, Wolfgang Gnann, Bernhard Banas, Thomas Bein, Hans J Schlitt, Tobias Bergler
OBJECTIVE: To determine the impact of renal biomarker-guided implementation of the Kidney Disease Improving Global Outcomes (KDIGO) care bundle on the incidence of acute kidney injury (AKI) after major noncardiac surgery in a single-center unblinded randomized clinical trial. BACKGROUND: Early optimization of volume status and discontinuation of nephrotoxic medication before the occurrence of AKI may be the crucial step to reduce preventable AKI. METHODS: The urinary biomarker-triggered KDIGO care bundle (early optimization of fluid status, maintenance of perfusion pressure, discontinuation of nephrotoxic agents) was compared to standard intensive care unit (ICU) care in 121 patients with an increased AKI risk after major abdominal surgery that was determined by urinary biomarker (inhibitor of metalloproteinase-2 × insulin-like growth factor-binding protein 7) >0...
August 29, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28857765/impact-of-diuretic-therapy-in-the-treatment-of-bronchopulmonary-dysplasia-and-acute-kidney-injury-in-the-neonatal-population
#12
Alexandra Kesler Johnson, Natalie Lynch, Desi Newberry, Amy J Jnah
BACKGROUND: Diuretics are among the most frequently prescribed medications in the neonatal intensive care unit (NICU), despite minimal data regarding the safety and efficacy of their use in the neonatal population. Off-label diuretic therapy is used in preterm and full-term infants to both optimize kidney function and improve respiratory status. PURPOSE: This article examines the literature specific to the impact of diuretic therapy in the NICU and compares the benefits versus risks of utilization as they pertain to the prevention and treatment of renal and pulmonary dysfunction in this population...
October 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/28852469/ginkgetin-aglycone-ameliorates-lps-induced-acute-kidney-injury-by-activating-sirt1-via-inhibiting-the-nf-%C3%AE%C2%BAb-signaling-pathway
#13
Junwei Zhang, Suxia Yang, Fang Chen, Huicong Li, Baoping Chen
BACKGROUND: Ginkgetin aglycone (GA), a novel Ginkgo biloba extract (GBE) by acid hydrolysis and recrystallization, is characterized by higher liposolubility and antioxidation than classical GBEs. There is no study depicting the functional role of GA in acute kidney injury (AKI). Here, we firstly reported the protective effect of GA on lipopolysaccharide (LPS)-induced AKI and its underlying mechanism. METHODS: ELISA analysis was applied to measure plasma level of TNF-α and IL-6, and NF-κB activity in kidney homogenate...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28852062/farnesoid-x-receptor-activation-protects-the-kidney-from-ischemia-reperfusion-damage
#14
Zhibo Gai, Lei Chu, Zhenqiang Xu, Xiaoming Song, Dongfeng Sun, Gerd A Kullak-Ublick
Farnesoid X receptor (FXR) activation has been reported to reduce inflammation and oxidative stress. Because both inflammation and oxidative stress are critical for tissue destruction during kidney ischemia reperfusion (I/R) injury, we investigated the protective role of FXR against kidney damage induced by I/R in mice. Mice undergoing renal I/R developed the typical features of acute kidney injury (AKI): increased creatinine, albuminuria, tubular necrosis and apoptosis. Inflammatory cytokine production and oxidative stress were also markedly increased...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28842112/rcr-audit-of-compliance-with-uk-guidelines-for-the-prevention-and-detection-of-acute-kidney-injury-in-adult-patients-undergoing-iodinated-contrast-media-injections-for-ct
#15
L H Cope, K J Drinkwater, D C Howlett
AIM: To determine radiology departmental compliance with current UK guidance on contrast-induced acute kidney injury (CI-AKI) and to provide data on the incidence of clinically significant post-contrast AKI (PC-AKI) in computed tomography (CT) practice. MATERIALS AND METHODS: A questionnaire was sent to all UK acute National Health Service (NHS) providers (NHS boards in Scotland, local health boards in Wales, NHS trusts in England and health and social care trusts in Northern Ireland) to assess compliance of provider protocols with current UK guidelines for the prevention, recognition, and management of CI-AKI...
August 22, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28840463/renal-dysfunction-how-to-think-about-that-in-acute-coronary-syndromes
#16
REVIEW
Luciano Babuin, Daniele Scarpa, Allan S Jaffe
PURPOSE OF REVIEW: Reduction of kidney function and heart disease frequently coexisted in the seam patient. The relation between renal and heart function is quite complex and bring out some unresolved questions about diagnosis (mostly related to the biomarkers levels interpretation), pharmacological therapy (mostly related to drugs kinetics and efficacy), and non-pharmacological therapy. RECENT FINDINGS: Patients with kidney dysfunction (KD) are frequently excluded and underrepresented in the large trials...
August 24, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28836466/effect-of-acetaminophen-on-the-prevention-of-acute-kidney-injury-in-patients-with-sepsis
#17
Asad E Patanwala, Ohoud Aljuhani, Hussain Bakhsh, Brian L Erstad
BACKGROUND: Acute kidney injury (AKI) commonly occurs in patients with sepsis. Acetaminophen (APAP) has been shown to inhibit lipid peroxidation and, thus, may be renal protective in patients with sepsis. OBJECTIVE: The objective of this study was to determine the effect of APAP on AKI in patients with sepsis. METHODS: This was a retrospective cohort study conducted at 2 affiliated academic medical centers in the United States. Adult patients who were admitted to the intensive care unit with a diagnosis of severe sepsis were included...
August 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28834072/a-severely-cholestatic-liver-graft-can-be-successfully-used-in-deceased-donor-liver-transplantation
#18
Seisuke Sakamoto, Kengo Sasaki, Hajime Uchida, Soichi Narumoto, Toshihiro Kitajima, Rie Irie, Akinari Fukuda, Takako Yoshioka, Mureo Kasahara
The shortage of deceased organs is still a serious issue in Japan. A proactive approach to using liver grafts from extended criteria donors (ECDs) may be one way of expanding the donor pool; however, if it is recklessly attempted, a recipient receiving such a marginal graft can be at risk of mortality due to the primary non-function or a delayed graft function. We herein report the successful outcome of a recipient receiving a severely cholestatic graft that was considered transplantable because it lacked features characteristic of a long duration of "cholestasis" according to the precise interpretation of a donor biopsy...
August 18, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28832655/complement-inhibition-attenuates-acute-kidney-injury-after-ischemia-reperfusion-and-limits-progression-to-renal-fibrosis-in-mice
#19
Juan S Danobeitia, Martynas Ziemelis, Xiaobo Ma, Laura J Zitur, Tiffany Zens, Peter J Chlebeck, Edwin S Van Amersfoort, Luis A Fernandez
The complement system is an essential component of innate immunity and plays a major role in the pathogenesis of ischemia-reperfusion injury (IRI). In this study, we investigated the impact of human C1-inhibitor (C1INH) on the early inflammatory response to IRI and the subsequent progression to fibrosis in mice. We evaluated structural damage, renal function, acute inflammatory response, progression to fibrosis and overall survival at 90-days post-injury. Animals receiving C1INH prior to reperfusion had a significant improvement in survival rate along with superior renal function when compared to vehicle (PBS) treated counterparts...
2017: PloS One
https://www.readbyqxmd.com/read/28820797/postoperative-renal-dysfunction-after-noncardiac-surgery
#20
Suvi T Vaara, Rinaldo Bellomo
PURPOSE OF REVIEW: The narrative review aims to discuss recent results and important knowledge gaps regarding acute kidney injury (AKI) in postoperative patients undergone major noncardiac surgery. RECENT FINDINGS: Postoperative AKI affects approximately one-fifth of patients after major surgery, but the incidence varies according to the type of surgery. Preexisting chronic kidney disease is a major risk factor for postoperative AKI. It carries a substantial risk for postoperative adverse outcomes, as well as long-term mortality and morbidity...
October 2017: Current Opinion in Critical Care
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