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sepsis-induced acute kidney injury

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https://www.readbyqxmd.com/read/28328867/astragaloside-iv-alleviates-lipopolysaccharide-induced-acute-kidney-injury-through-down-regulating-cytokines-ccr5-and-p-erk-and-elevating-anti-oxidative-ability
#1
Wei Zhou, Yi Chen, Xingyu Zhang
BACKGROUND Astragaloside IV (AS-IV) has been shown to prevent ischemia-induced acute kidney injury (AKI) in rat models of ischemia and reperfusion. However, the effects of AS-IV on AKI during sepsis and endotoxinemia is unclear. The current study aimed to investigate the effects and molecular mechanisms of AS-IV on lipopolysaccharide (LPS)-induced AKI. MATERIAL AND METHODS Adult male CD-1 mice were randomly assigned into 6 groups (n=8/group): control group: mice were intraperitoneally (i.p.) injected with normal saline; LPS group (10 mg/kg, i...
March 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28323627/effects-of-xuebijing-injection-for-patients-with-sepsis-induced-acute-kidney-injury-after-wenchuan-earthquake
#2
Qin Yuxi, Hanlai Zhang, Yu Baili, Shihua Shi
Context • Earthquakes are devastating disasters that have claimed countless lives in the past, partially owing to the danger of direct and indirect injuries to vital organs. In the deadly earthquake that occurred in Sichuan Province of China on May 12, 2008, some victims suffered from severe damage to multiple organs and tissue and developed sepsis, a systematic inflammatory reaction resulting from infection and trauma. Xuebijing injection (CCXG) could beneficial for improvement of clinical symptoms in those patients, but no research has yet examined its potential...
March 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28319494/heparin-binding-protein-hbp-a-causative-marker-and-potential-target-for-heparin-treatment-of-human-sepsis-induced-acute-kidney-injury
#3
Jane Fisher, James A Russell, Peter Bentzer, Devyn Parsons, Stefano Secchia, Matthias Mörgelin, Keith R Walley, John H Boyd, Adam Linder
RATIONALE: Sepsis-induced acute kidney injury (AKI) is a common condition with high morbidity and mortality. Neutrophil-derived heparin-binding protein (HBP) induces vascular leakage and is a promising biomarker of sepsis-induced organ dysfunction. It remains unknown if HBP is prognostic of AKI in septic shock and if HBP could play a role in the pathophysiology of sepsis-induced AKI. OBJECTIVES: To determine the association of plasma HBP levels with development of AKI, investigate the role of HBP in the pathophysiology of sepsis-induced AKI, and test the effect of blocking HBP using heparin derivatives...
March 17, 2017: Shock
https://www.readbyqxmd.com/read/28303482/extracellular-superoxide-dismutase-is-necessary-to-maintain-renal-blood-flow-during-sepsis-development
#4
Larissa Constantino, Letícia Selinger Galant, Francieli Vuolo, Karla Lorena Guarido, Luiza Wilges Kist, Giovanna Medeiros Tavares de Oliveira, Matheus Augusto de Bittencourt Pasquali, Cláudio Teodoro de Souza, José Eduardo da Silva-Santos, Maurício Reis Bogo, José Cláudio Fonseca Moreira, Cristiane Ritter, Felipe Dal-Pizzol
BACKGROUND: Extracellular superoxide dismutase (ECSOD) protects nitric oxide (NO) bioavailability by decreasing superoxide levels and preventing peroxynitrite generation, which is important in maintaining renal blood flow and in preventing acute kidney injury. However, the profile of ECSOD expression after sepsis is not fully understood. Therefore, we intended to evaluate the content and gene expression of superoxide dismutase (SOD) isoforms in the renal artery and their relation to renal blood flow...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28296904/differentially-expressed-mirnas-in-sepsis-induced-acute-kidney-injury-target-oxidative-stress-and-mitochondrial-dysfunction-pathways
#5
Qin-Min Ge, Chun-Mei Huang, Xiang-Yang Zhu, Fan Bian, Shu-Ming Pan
OBJECTIVE: To identify specific miRNAs involved in sepsis-induced AKI and to explore their targeting pathways. METHODS: The expression profiles of miRNAs in serum from patients with sepsis-induced AKI (n = 6), sepsis-non AKI (n = 6), and healthy volunteers (n = 3) were investigated by microarray assay and validated by quantitative PCR (qPCR). The targets of the differentially expressed miRNAs were predicted by Target Scan, mirbase and Miranda. Then the significant functions and involvement in signaling pathways of gene ontology (GO) and KEGG pathways were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28246552/decreased-tissue-cox5b-expression-and-mitochondrial-dysfunction-during-sepsis-induced-kidney-injury-in-rats
#6
Jochen Hinkelbein, Lennert Böhm, Stefan Braunecker, Christoph Adler, Edoardo De Robertis, Fabrizio Cirillo
Background. Sepsis is defined as a life-threatening organ dysfunction due to a dysregulated host response to infection. Sepsis is the dominant cause of acute kidney injury (AKI), accounting for nearly 50% of episodes of acute renal failure. Signaling cascades and pathways within the kidney are largely unknown and analysis of these molecular mechanisms may enhance knowledge on pathophysiology and possible therapeutic options. Material and Methods. 26 male Wistar rats were assigned to either a sham group (control, N = 6) or sepsis group (N = 20; cecal ligature and puncture model, 24 and 48 hours after CLP)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28222674/administration-of-hes-in-elderly-patients-undergoing-hip-arthroplasty-under-spinal-anesthesia-is-not-associated-with-an-increase-in-renal-injury
#7
Yuanyuan Zhang, Yonghao Yu, Junya Jia, Wenli Yu, Rubin Xu, Licheng Geng, Ying Wei
BACKGROUND: Hydroxyethyl starch (HES) is applied to achieve volume expansion during surgery; however, nephrotoxicity may be induced in patients with sepsis. Simultaneously, neutrophil gelatinase-associated lipocalin (NGAL) and IL-18 have been illustrated as pivotal indicators to diagnose the acute kidney injury (AKI) early. This multi-center, randomized, double-blinded, placebo-controlled study aimed to investigate whether 6% HES 130/0.4 administration caused postoperative AKI, which can be revealed by urinary and plasma NGAL and IL-18 estimations in elderly patients with normal renal function undergoing hip arthroplasty under spinal anesthesia...
February 21, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28208022/protein-requirements-for-critically-ill-patients-with-renal-and-liver-failure
#8
Jayshil J Patel, Craig J McClain, Menaka Sarav, Jill Hamilton-Reeves, Ryan T Hurt
Diseases leading to critical illness induce proteolysis resulting in muscle wasting and negative nitrogen balance. Muscle wasting has been associated with poor intensive care unit (ICU)-related outcomes, including an increased risk for mortality. Acute kidney injury (AKI) represents a common organ dysfunction associated with ICU-related disorders, such as sepsis, trauma, and respiratory failure. AKI and renal replacement therapy lead to amino acid loss. Decompensated liver cirrhosis (DLC) and acute liver failure (ALF) represent more severe forms of liver dysfunction leading to ICU admission...
February 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28202686/simvastatin-pre-treatment-improves-survival-and-mitochondrial-function-in-a-three-day-fluid-resuscitated-rat-model-of-sepsis
#9
Jerome Morel, Iain Hargreaves, David Brealey, Viruna Neergheen, Janne T Backman, Sandro Lindig, Marcus Bläss, Michael Bauer, Daniel F McAuley, Mervyn Singer
Statins may offer protective effects in sepsis through anti-inflammatory, mitochondrial protection and other actions. We thus evaluated the effects of simvastatin on survival, organ and mitochondrial function, tissue and plasma ubiquinone levels and liver transcriptomics in a 3-day rat model of sepsis. Comparisons of rat plasma simvastatin and ubiquinone levels were made against levels sampled in blood from patients with acute lung injury (ALI) enrolled into a trial of statin therapy. Animals received simvastatin by gavage either pre- or post-induction of faecal peritonitis...
February 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28174688/protection-by-huang-lian-jie-du-decoction-and-its-constituent-herbs-of-lipopolysaccharide-induced-acute-kidney-injury
#10
Pei Li, Shan-Ting Liao, Jun-Song Wang, Qian Zhang, Ding-Qiao Xu, Yan Lv, Ming-Hua Yang, Ling-Yi Kong
Sepsis, characterized by systemic inflammation, often leads to end-organ dysfunction, such as acute kidney injury (AKI). Despite of the severity and frequency of septic AKI in clinic, its pathogenesis is still poorly understood. Combined with histopathology evaluations, mortality assessments, biochemical evaluations, reverse transcription (RT) reaction and quantitative real-time PCR, and western blot, (1)H NMR-based metabolomics approach was applied to investigate effects of Huang-Lian-Jie-Du-Decotion (HLJDD), a traditional Chinese medicine prescription, and its four component herbs on lipopolysaccharide (LPS)-induced septic AKI and the underlying mechanism...
February 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28162223/impact-of-subclinical-vascular-complications-detected-by-systematic-postprocedural-multidetector-computed-tomography-after-transcatheter-aortic-valve-implantation-using-balloon-expandable-edwards-sapien-xt-heart-valve
#11
Yuki Kakefuda, Kentaro Hayashida, Yoshitake Yamada, Fumiaki Yashima, Taku Inohara, Ryo Yanagisawa, Makoto Tanaka, Takahide Arai, Takashi Kawakami, Yuichiro Maekawa, Hikaru Tsuruta, Yuji Itabashi, Mitsushige Murata, Motoaki Sano, Kazuma Okamoto, Akihiro Yoshitake, Hideyuki Shimizu, Masahiro Jinzaki, Keiichi Fukuda
Complications after transcatheter aortic valve implantation (TAVI) remain an important issue. This study aimed to evaluate the impact of systematic postprocedural multidetector computed tomography (MDCT) to detect subclinical complications after TAVI. From October 2013 to August 2015, a total of 135 patients who underwent transfemoral TAVI (n = 116) or transapical TAVI (n = 19) with Sapien XT and MDCT preprocedure and postprocedure were enrolled. Postprocedural MDCT findings were compared with the preprocedural MDCT findings...
April 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28149647/hepatitis-c-and-kidney-disease-a-narrative-review
#12
REVIEW
Rashad S Barsoum, Emad A William, Soha S Khalil
Hepatitis-C (HCV) infection can induce kidney injury, mostly due to formation of immune-complexes and cryoglobulins, and possibly to a direct cytopathic effect. It may cause acute kidney injury (AKI) as a part of systemic vasculitis, and augments the risk of AKI due to other etiologies. It is responsible for mesangiocapillary or membranous glomerulonephritis, and accelerates the progression of chronic kidney disease due to other causes. HCV infection increases cardiovascular and liver-related mortality in patients on regular dialysis...
March 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28090081/metabolic-reprogramming-and-tolerance-during-sepsis-induced-aki
#13
REVIEW
Hernando Gómez, John A Kellum, Claudio Ronco
The host defence against infection is an adaptive response in which several mechanisms are deployed to decrease the pathogen load, limit tissue injury and restore homeostasis. In the past few years new evidence has suggested that the ability of the immune system to limit the microbial burden - termed resistance - might not be the only defence mechanism. In fact, the capacity of the host to decrease its own susceptibility to inflammation- induced tissue damage - termed tolerance - might be as important as resistance in determining the outcome of the infection...
March 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28063928/mir-107-induces-tnf-%C3%AE-secretion-in-endothelial-cells-causing-tubular-cell-injury-in-patients-with-septic-acute-kidney-injury
#14
Shanshan Wang, Zengdi Zhang, Jun Wang, Hongjun Miao
Activation of endothelial cells plays a key role in septic acute kidney injury (AKI). This study investigated the role of miRNA in endothelial-induced tubular cell injury in sepsis. Circulating endothelial cells (CECs) from septic AKI, non-septic AKI, septic non-AKI patients and healthy volunteers were isolated and cultured, and HK2 cells were exposed to CEC-conditioned medium. CEC-conditioned medium prepared from septic AKI patients led to cell shrinkage, decreased E-cadherin, the release of NAG and cell apoptosis in HK2 cells...
January 29, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28061889/urinary-exosomal-activating-transcriptional-factor-3-as-the-early-diagnostic-biomarker-for-sepsis-induced-acute-kidney-injury
#15
Tanaporn Panich, Wiwat Chancharoenthana, Poorichaya Somparn, Jiraphorn Issara-Amphorn, Nattiya Hirankarn, Asada Leelahavanichkul
BACKGROUND: An early sepsis-induced acute kidney injury (sepsis-AKI) biomarker is currently in needed. Urinary neutrophil gelatinase-associated lipocalin (uNGAL) is a candidate of sepsis-AKI biomarker but with different cut-point values. Urinary exosomal activating transcriptional factor 3 (uATF3) has been mentioned as an interesting biomarker. METHODS: We conducted experiments in mice and a prospective, multicenter study in patients as a proof of concept that urine exosome is an interesting biomarker...
January 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28052874/inhibition-of-hdac6-protects-against-rhabdomyolysis-induced-acute-kidney-injury
#16
Yingfeng Shi, Liuqing Xu, Jinhua Tang, Lu Fang, Shuchen Ma, Xiaoyan Ma, Jing Nie, Xiaoling Pi, Andong Qiu, Shougang Zhuang, Na Liu
Histone deacetylase 6 (HDAC6) inhibition has been reported to protect against ischemic stroke and prolong survival after sepsis in animal models. However, it remains unknown whether HDAC6 inhibition offers a renoprotective effect after acute kidney injury (AKI). In this study, we examined the therapeutic effect of tubastatin A (TA), a highly selective inhibitor of HDAC6, on AKI in a murine model of glycerol (GL) injection-induced rhabdomyolysis. Following GL injection, the mice developed severe acute tubular injury as indicated by renal dysfunction, expression of neutrophil gelatinase-associated lipocalin (NGAL), an injury marker of renal tubules and increase of TUNEL positive tubular cells...
January 4, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28029146/protective-effects-of-luteolin-on-lipopolysaccharide-induced-acute-renal-injury-in-mice
#17
Shao-Bin Xin, Hao Yan, Jing Ma, Qiang Sun, Li Shen
BACKGROUND Sepsis can cause serious acute kidney injury in bacterium-infected patients, especially in intensive care patients. Luteolin, a bioactive flavonoid, has renal protection and anti-inflammatory effects. This study aimed to investigate the effect and underlying mechanism of luteolin in attenuating lipopolysaccharide (LPS)-induced renal injury. MATERIAL AND METHODS ICR mice were treated with LPS (25 mg/kg) with or without luteolin pre-treatment (40 mg/kg for three days). The renal function, histological changes, degree of oxidative stress, and tubular apoptosis in these mice were examined...
December 28, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28012971/effects-of-a-human-recombinant-alkaline-phosphatase-during-impaired-mitochondrial-function-in-human-renal-proximal-tubule-epithelial-cells
#18
Esther Peters, Tom Schirris, Alexander H van Asbeck, Jelle Gerretsen, Jennifer Eymael, Angel Ashikov, Merel J W Adjobo-Hermans, Frans Russel, Peter Pickkers, Rosalinde Masereeuw
Sepsis-associated acute kidney injury is a multifactorial syndrome in which inflammation and renal microcirculatory dysfunction play a profound role. Subsequently, renal tubule mitochondria reprioritize cellular functions to prevent further damage. Here, we investigated the putative protective effects of human recombinant alkaline phosphatase (recAP) during inhibition of mitochondrial respiration in conditionally immortalized human proximal tubule epithelial cells (ciPTEC). Full inhibition of mitochondrial oxygen consumption was obtained after 24h antimycin A treatment, which did not affect cell viability...
December 22, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27993148/blood-transfusion-improves-renal-oxygenation-and-renal-function-in-sepsis-induced-acute-kidney-injury-in-rats
#19
Lara Zafrani, Bulent Ergin, Aysegul Kapucu, Can Ince
BACKGROUND: The effects of blood transfusion on renal microcirculation during sepsis are unknown. This study aimed to investigate the effect of blood transfusion on renal microvascular oxygenation and renal function during sepsis-induced acute kidney injury. METHODS: Twenty-seven Wistar albino rats were randomized into four groups: a sham group (n = 6), a lipopolysaccharide (LPS) group (n = 7), a LPS group that received fluid resuscitation (n = 7), and a LPS group that received blood transfusion (n = 7)...
December 20, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27918369/preadministration-of-hydrogen-rich-water-protects-against-lipopolysaccharide-induced-sepsis-and-attenuates-liver-injury
#20
Masumi Iketani, Jumi Ohshiro, Takuya Urushibara, Mayumi Takahashi, Tomio Arai, Hideo Kawaguchi, Ikuroh Ohsawa
Despite significant advances in antibiotic therapy and intensive care, sepsis remains the most common cause of death in intensive care units. We previously reported that molecular hydrogen (H2) acts as a therapeutic and preventive antioxidant. Here, we show that preadministration of H2-dissolved water (HW) suppresses lipopolysaccharide (LPS)-induced endotoxin shock in mice. Drinking HW for 3 days before LPS injection prolonged survival in a mouse model of sepsis. The H2 concentration immediately increased in the liver but not in the kidney after drinking HW...
December 1, 2016: Shock
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