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acute liver injury

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https://www.readbyqxmd.com/read/28648005/-components-of-human-placental-extract-and-its-protective-effect-to-rat-from-d-galn-induced-acute-liver-injury
#1
H Q Lei, M L Cheng, J Li, P P Zhou, X H Luo, F Yu
Objective: To evaluate the effect of human placental extracts (HPE) on the protection from acute liver injury (ALI) induced by D-GalN and analyze the components of HPE. Methods: (1)Fourty male mice were randomly divided into five groups (Blank, Model, MgIG, HPE and HPE+ MgIG) for the ALI model and treatments.The serum alanine aminotransferase (ALT) and aspartate transaminase (AST) were determined by biochemical assays.Nitric monoxide (NO), malondialdehyde (MDA), superoxide dismutase (SOD), total antioxidant capacity (T-AOC) in serum and hepatic tissue were detected by assay kits...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28646120/mir-223-represents-a-biomarker-in-acute-and-chronic-liver-injury
#2
Florian Schueller, Sanchari Roy, Sven Heiko Loosen, Jan Alder, Christiane Koppe, Anne Theres Schneider, Franziska Wandrer, Heike Bantel, Mihael Vucur, Qing-Sheng Mi, Christian Trautwein, Tom Luedde, Christoph Roderburg
Background: Dysregulation of miRNAs has been described in tissue and serum from patients with acute and chronic liver diseases. However, only little information on the role of miR-223 in the pathophysiology of acute liver failure (ALF) and liver cirrhosis is available.  Methods: We analysed cell and tissue specific expression levels as well as serum concentrations of miR-223 in mouse models of acute (hepatic ischemia and reperfusion, single CCl4 injection) and chronic (repetitive CCl4 injection, bile duct ligation) liver diseases...
June 23, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28645739/mir-1224-inhibits-cell-proliferation-in-acute-liver-failure-by-targeting-the-antiapoptotic-gene-nfib
#3
Sanchari Roy, Heike Bantel, Franziska Wandrer, Anne Theres Schneider, Jeremie Gautheron, Mihael Vucur, Frank Tacke, Christian Trautwein, Tom Luedde, Christoph Roderburg
BACKGROUND AND AIMS: Patient outcome in acute liver failure (ALF) is crucially determined by the appropriate balance between cell death and compensatory cell proliferation. MicroRNAs (miRNAs) - small non-coding RNAs that function as guide molecules in RNA silencing - have evolved as crucial mediators of nearly all developmental and pathological processes including physiology and disease of the liver. We investigated the role of miR-1224 during ALF. METHODS: We measured miR-1224 in livers of mice in various acute liver disease murine models and in ALF patients using quantitative real-time polymerase chain reaction...
June 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28645737/alfapump-system-vs-large-volume-paracentesis-for-refractory-ascites-a-multicenter-randomized-controlled-study
#4
Christophe Bureau, Danielle Adebayo, Mael Chalret de Rieu, Laure Elkrief, Dominique Valla, Markus Peck-Radosavljevic, Anne McCune, Victor Vargas, Macarena Simon-Talero, Juan Cordoba, Paolo Angeli, Silvia Rosi, Stewart MacDonald, Massimo Malago, Maria Stepanova, Zobair M Younossi, Claudia Trepte, Randall Watson, Oleg Borisenko, Sun Sun, Neil Inhaber, Rajiv Jalan
BACKGROUND AND AIMS: Patients with refractory ascites (RA) require repeated large volume paracenteses (LVP), which involves frequent hospital visits and is associated with poor quality-of-life. This study assessed safety and efficacy of an automated, low-flow pump (alfapump [AP]) compared with LVP [SoC]. METHODS: Randomized, controlled trial, in 7 centers, with 6M patient observation. Primary outcome was time to first LVP. Secondary outcomes included paracentesis requirement, safety, health-related quality-of-life (HRQoL), and survival...
June 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28640248/voluntary-distance-running-prevents-tnf-mediated-liver-injury-in-mice-through-alterations-of-the-intrahepatic-immune-milieu
#5
Yvonne Huber, Nadine Gehrke, Jana Biedenbach, Susanne Helmig, Perikles Simon, Beate K Straub, Ina Bergheim, Tobias Huber, Detlef Schuppan, Peter R Galle, Marcus A Wörns, Marcus Schuchmann, Jörn M Schattenberg
Physical activity confers a broad spectrum of health benefits. Beyond the obvious role in metabolically driven diseases, the role of physical activity in acute liver injury is poorly explored. To study the role of physical activity in acute liver injury, a novel model of voluntary distance running in mice was developed and mice were subjected to acute liver injury induced by N-galactosamine (GalN) and lipopolysaccharide (LPS). Analyses included histological stains, immunoblotting, qRT-PCR and FACS analysis...
June 22, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28637971/esculentoside-a-ameliorates-cecal-ligation-and-puncture-induced-acute-kidney-injury-in-rats
#6
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/28633873/elental%C3%A2-amino-acid-component-has-protective-effects-on-primary-cultured-hepatocytes-and-a-rat-model-of-acute-liver-injury
#7
Hirokazu Miki, Katsuji Tokuhara, Masaharu Oishi, Yoshito Tanaka, Richi Nakatake, Yosuke Ueyama, Masaki Kaibori, Mikio Nishizawa, Tadayoshi Okumura, Masanori Kon
Amino acids can exert protective effects on the liver either when administered as a medication or following an operation. In this study, we examined the protective effects of amino acids on the liver using in vitro and in vivo models by studying their influence on the induction of inducible nitric oxide synthase (iNOS) and nitric oxide production as a liver injury marker in cultured hepatocytes and liver-protective effects in d-galactosamine and lipopolysaccharide (GalN/LPS)-treated rats, respectively. Primary cultured rat hepatocytes were treated with interleukin (IL)-1β in the presence or absence of Elental® amino acid component (EleAA; 17 amino acids)...
June 2017: Nutrition Research
https://www.readbyqxmd.com/read/28629226/no-significant-impact-of-foxf1-sirna-treatment-in-acute-and-chronic-ccl4-liver-injury
#8
Kerstin Abshagen, Tobias Rotberg, Berit Genz, Brigitte Vollmar
Chronic liver injury of any etiology is the main trigger of fibrogenic responses and thought to be mediated by hepatic stellate cells. Herein, activating transcription factors like forkhead box f1 are described to stimulate pro-fibrogenic genes in hepatic stellate cells. By using a liver-specific siRNA delivery system (DBTC), we evaluated whether forkhead box f1 siRNA treatment exhibit beneficial effects in murine models of acute and chronic CCl4-induced liver injury. Systemic administration of DBTC-forkhead box f1 siRNA in mice was only sufficient to silence forkhead box f1 in acute CCl4 model, but was not able to attenuate liver injury as measured by liver enzymes and necrotic liver cell area...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28628850/indoline-derivatives-mitigate-liver-damage-in-a-mouse-model-of-acute-liver-injury
#9
Efrat Finkin-Groner, Shlomi Finkin, Shani Zeeli, Marta Weinstock
BACKGROUND: Exposure of mice to D-galactosamine (GalN) and lipopolysaccharide (LPS) induces acute liver failure through elevation of TNF-α, which causes liver damage resembling that in humans. The current study evaluated in this model the effect of two indoline derivatives, which have anti-inflammatory activity in macrophages. METHODS: AN1297 and AN1284 (0.025-0.75mg/kg) or dexamethasone (3mg/kg), were injected subcutaneously, 15min before intraperitoneal injection of GalN (800mg) plus LPS (50μg) in male Balb/C mice...
April 12, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28628542/a-rare-intramedullary-spinal-cord-metastasis-from-a-retroperitoneal-leiomyosarcoma-presenting-as-a-non-traumatic-spinal-cord-injury
#10
Andrew Lamberth Parker, Terrence Pugh, Mark A Hirsch
Leiomyosarcoma (LMS) is a rare but well-recognized malignant soft tissue sarcoma of smooth muscle origin. Metastases commonly occur in the lungs, liver, kidney, brain, and bone. Cases of metastatic osseous lesions or other extradural space-occupying masses secondary to LMS leading to neurologic compromise are relatively commonplace in the literature. Conversely, cases of intramedullary spinal cord metastasis (ISCM), an unusual entity as a sequela of any cancer, are exceedingly rare as a consequence of LMS. Only 2 cases of an ISCM from LMS are currently documented in the literature, and to the best of our knowledge, no case is described in the rehabilitation literature...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28627888/investigation-of-drug-induced-hepatotoxicity-and-its-remediation-pathway-with-reaction-based-fluorescent-probes
#11
Dan Cheng, Wang Xu, Lin Yuan, Xiao-Bing Zhang
Drug-induced liver injury (DILI) is considered a serious problem related to public health, due to its unpredictability and acute response. The level of peroxynitrite (ONOO-) generated in liver has long been regarded as a biomarker for the prediction and measurement of DILI. Herein we present two reaction based fluorescent probes (Naph-ONOO- and Rhod-ONOO-) for ONOO- through a novel and universally applicable mechanism: ONOO- mediated deprotection of -keto caged fluorophores. Among them, Rhod-ONOO- can selectively accumulate and react in mitochondria, one of the main sources of ONOO-, with a substantial lower nano-molar sensitivity of 43 nM...
June 19, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28627620/protective-effect-of-human-serum-amyloid-p-on-ccl4-induced-acute-liver-injury-in-mice
#12
Min Cong, Weihua Zhao, Tianhui Liu, Ping Wang, Xu Fan, Qingling Zhai, Xiaoli Bao, Dong Zhang, Hong You, Tatiana Kisseleva, David A Brenner, Jidong Jia, Hui Zhuang
Human serum amyloid P (hSAP), a member of the pentraxin family, inhibits the activation of fibrocytes in culture and inhibits experimental renal, lung, skin and cardiac fibrosis. As hepatic inflammation is one of the causes of liver fibrosis, in the present study, we investigated the hepatoprotective effects of hSAP against carbon tetrachloride (CCl4)-induced liver injury. Our data indicated that hSAP attenuated hepatic histopathological abnormalities and significantly decreased inflammatory cell infiltration and pro-inflammatory factor expression...
June 14, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28626784/acute-liver-injury-in-a-glatopa-treated-patient-with-ms
#13
Joseph J Sabatino, Neil J Mehta, Sanjay Kakar, Scott S Zamvil, Bruce A C Cree
No abstract text is available yet for this article.
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28626497/hepatoprotective-effect-of-polyphenol-enriched-fraction-from-folium-microcos-on-oxidative-stress-and-apoptosis-in-acetaminophen-induced-liver-injury-in-mice
#14
Hongtan Wu, Gang Zhang, Lisen Huang, Haiyue Pang, Na Zhang, Yupei Chen, Gueyhorng Wang
Folium Microcos (FM), the leaves of Microcos paniculata L., shows various biological functions including antioxidant activity and α-glucosidase inhibitory effect. However, its therapeutic potential in acute liver injury is still unknown. This study investigated the hepatoprotective effect and underlying mechanisms of the polyphenol-enriched fraction (FMF) from Folium Microcos. FMF exhibited strong free radical scavenging activities and prevented HepG2/Hepa1-6 cells from hydrogen peroxide- (H2O2-) induced ROS production and apoptosis in vitro...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28624886/pharmacokinetic-modelling-of-modified-acetylcysteine-infusion-regimens-used-in-the-treatment-of-paracetamol-poisoning
#15
Anselm Wong, Cornelia Landersdorfer, Andis Graudins
PURPOSE: Paracetamol overdose is common and is treated with acetylcysteine to prevent the development of hepatotoxicity. N-acetyl-p-benzoquinone imine (NAPQI) is the toxic metabolite of paracetamol overdose. We aimed to assess the expected acetylcysteine concentration time profiles following delivery of modified acetylcysteine regimens proposed for those at high and low risk of hepatotoxicity. In addition, we will determine acetylcysteine concentrations post-cessation of abbreviated infusions...
June 17, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28624104/acute-kidney-injury-after-liver-transplantation-recent-insights-and-future-perspectives
#16
REVIEW
Jubi E de Haan, Ewout J Hoorn, Hilde R H de Geus
Acute kidney injury (AKI) is a common postoperative complication after liver transplantation (LT). The occurrence of postoperative AKI after LT (Post-LT AKI) is associated with inferior patient and graft outcomes. Post-LT AKI is multifactorial in origin and has been related to the severity of liver disease, pre-LT renal dysfunction, graft quality, perioperative events and toxicity of immunosuppressive therapy. Furthermore it is thought that hepatic ischaemia reperfusion injury might be a driving force in the aetiology of post-LT AKI...
April 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28620478/a-hot-water-extract-of-turmeric-curcuma-longa-suppresses-acute-ethanol-induced-liver-injury-in-mice-by-inhibiting-hepatic-oxidative-stress-and-inflammatory-cytokine-production
#17
Ryusei Uchio, Yohei Higashi, Yusuke Kohama, Kengo Kawasaki, Takashi Hirao, Koutarou Muroyama, Shinji Murosaki
Turmeric (Curcuma longa) is a widely used spice that has various biological effects, and aqueous extracts of turmeric exhibit potent antioxidant activity and anti-inflammatory activity. Bisacurone, a component of turmeric extract, is known to have similar effects. Oxidative stress and inflammatory cytokines play an important role in ethanol-induced liver injury. This study was performed to evaluate the influence of a hot water extract of C. longa (WEC) or bisacurone on acute ethanol-induced liver injury. C57BL/6 mice were orally administered WEC (20 mg/kg body weight; BW) or bisacurone (60 µg/kg BW) at 30 min before a single dose of ethanol was given by oral administration (3·0 g/kg BW)...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28620221/mesenchymal-stem-cell-derived-exosomes-as-a-new-therapeutic-strategy-for-liver-diseases
#18
REVIEW
Guohua Lou, Zhi Chen, Min Zheng, Yanning Liu
The administration of mesenchymal stem cells (MSCs) as a therapy for liver disease holds great promise. MSCs can differentiate into hepatocytes, reduce liver inflammation, promote hepatic regeneration and secrete protective cytokines. However, the risks of iatrogenic tumor formation, cellular rejection and infusional toxicity in MSC transplantation remain unresolved. Accumulating evidence now suggests that a novel cell-free therapy, MSC-secreted exosomes, might constitute a compelling alternative because of their advantages over the corresponding MSCs...
June 16, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28617947/poly-r-c-binding-protein-1-mediated-regulation-of-microrna-expression-underlies-post-sevoflurane-amelioration-of-acute-lung-injury-in-rats
#19
Xiaohong Zhao, Xiaoxia Wang, Fei Wang, Changjie Gao, Jian Wang
BACKGROUND: Acute lung injury (ALI) presents a pervasive health burden due to the high morbidity and mortality associated with it. Volatile anesthetics like sevoflurane has been previously shown to have organ-protective effect, both in the context of normal physiological function in liver, and during LPS-induced ALI. Sevoflurane was shown to exert lung protective effect during LPS-induced ALI by modulating expression level of microRNAs (miRNAs), specifically miR-155. The objective of the current study was to define the underlying mechanism by which sevoflurane alters miRNA expression levels...
June 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28616908/-the-correlation-between-micrornas-in-serum-and-the-extent-of-liver-injury
#20
Yi-Nan Zuo, Xue-Ling He, Xue-Ni Shi, Shi-Hang Wei, Hai-Lin Yin
OBJECTIVES: To investigate the correlation between the absolute quantification of the microRNAs (miR-122, miR-451, miR-92a, miR-192) in serum during acute liver injury and the extent of liver injury on rat models of CCl4 induced acute liver injury and mice models of acetaminophen (APAP) induced acute liver injury. Furthermore, to investigate the correlation between the absolute quantification of microRNAs in serum and the drug induced liver injury pathological scoring system (DILI-PSS)...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
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