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acute liver injury

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https://www.readbyqxmd.com/read/29234377/the-ethanol-extract-of-licorice-glycyrrhiza-uralensis-protects-against-triptolide-induced-oxidative-stress-through-activation-of-nrf2
#1
Ling-Juan Cao, Zhen-Yan Hou, Huan-De Li, Bi-Kui Zhang, Ping-Fei Fang, Da-Xiong Xiang, Zhi-Hua Li, Hui Gong, Yang Deng, Yan-Xia Ma, Huai-Bo Tang, Miao Yan
To investigate the potential role of nuclear factor erythroid 2-related factor 2 (Nrf2) in licorice ethanol extract (LEE) against triptolide- (TP-) induced hepatotoxicity, HepG2 cells were exposed to LEE (30, 60, and 90 mg·L-1) for 12 h and then treated with TP (50 nM) for 24 h. Besides, an acute liver injury model was established in ICR mice by a single dose of TP (1.0 mg·kg-1, i.p.). Relevant oxidant and antioxidant mediators were analyzed. TP led to an obvious oxidative stress as evidenced by increasing levels of ROS and decreasing GSH contents in HepG2 cells...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29229868/sex-dependent-differences-in-inflammatory-responses-during-liver-regeneration-in-a-murine-model-of-acute-liver-injury
#2
Debora Bizzaro, Marika Crescenzi, Rosa Di Liddo, Diletta Arcidiacono, Andrea Cappon, Thomas Bertalot, Vincenzo Amodio, Alessia Tasso, Annalisa Stefani, Valentina Bertazzo, Giacomo Germani, Chiara Frasson, Giuseppe Basso, Pierpaolo Parnigotto, Malcolm Ronald Alison, Patrizia Burra, Maria Teresa Conconi, Francesco Paolo Russo
A sexual dimorphism in liver inflammation and repair was previously demonstrated. Its cellular dissection in the course of acute liver injury (ALI) was explored. BALB/c mice were treated with carbon tetrachloride (CCl4) by intraperitoneal injection and sacrificed after 3, 5 and 8 days. Histological and hepatic cell population analyses were performed. The correlation between androgen receptor (AR) expression and liver recruited inflammatory cells was investigated by treatment with the AR antagonist flutamide...
December 11, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29229640/adverse-effects-of-intravenous-vancomycin-based-prophylaxis-during-therapy-for-pediatric-acute-myeloid-leukemia
#3
Yilun Sun, Rachael L Huskey, Li Tang, Hiroto Inaba, Aditya H Gaur, Raul Ribeiro, Jeffrey E Rubnitz, Joshua Wolf
Background Children and adolescents with acute myeloid leukemia (AML) are at risk of life-threatening bacterial infection, especially with viridans group streptococci. Primary antibacterial prophylaxis with vancomycin-based regimens reduces this risk, but might increase risk of renal or liver toxicity, or Clostridium difficile infection (CDI).Methods A retrospective review was conducted of patients treated for newly diagnosed AML at St. Jude Children's Research Hospital from 2002 to 2008. Nephrotoxicity was classified according to pediatric Risk, Injury, Failure, Loss, End Stage Renal Disease (RIFLE) criteria, and hepatotoxicity according to Common Terminology Criteria for Adverse Events criteria...
December 11, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29229400/tumor-necrosis-factor-producing-t-regulatory-cells-are-associated-with-severe-liver-injury-in-patients-with-acute-hepatitis-a
#4
Yoon Seok Choi, Min Kyung Jung, Jeewon Lee, Seong Jin Choi, Sung Hoon Choi, Hyun Woong Lee, Jong-Joo Lee, Hyung Joon Kim, Sang Hoon Ahn, Dong Hyeon Lee, Won Kim, Su-Hyung Park, Jun R Huh, Hyoung-Pyo Kim, Jun Yong Park, Eui-Cheol Shin
BACKGROUND AND AIMS: CD4+CD25+Foxp3+ T-regulatory (Treg) cells control immune responses and maintain immune homeostasis. However, under inflammatory conditions, Treg cells produce cytokines that promote inflammation. We investigated production of tumor necrosis factor (TNF) by Treg cells in patients with acute hepatitis A (AHA), and examined the characteristics of these cells and association with clinical factors. METHODS: We analyzed blood samples collected from 63 patients with AHA at the time of hospitalization (and some at later time points) and 19 healthy donors in South Korea...
December 8, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29228666/granulocyte-colony-stimulating-factor-treatment-in-non-alcoholic-fatty-liver-disease-beyond-marrow-cell-mobilization
#5
Ho Hyun Nam, Dae Won Jun, Kiseok Jang, Waqar Khalid Saeed, Jai Sun Lee, Hyeon Tae Kang, Yeon Ji Chae
Protective effects of granulocyte colony stimulating factor (G-CSF) in acute liver injury via marrow cell mobilization have been reported in several studies. But exact mode of action and optimal protocol of G-CSF has been still doubt in chronic disease. Here we investigated mode of action and optimization of G-CSF as a treatment for non-alcoholic fatty liver disease (NAFLD). Various doses of conventional G-CSF (30 μg/kg once weekly, once daily for 5 days, twice weekly) and long acting G-CSF (30 μg/kg once a month) were evaluated in two kinds of NAFLD animal models to optimize the G-CSF protocol...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228388/caspase-inhibition-reduces-hepatic-tissue-factor-driven-coagulation-in-vitro-and-in-vivo
#6
Anna K Kopec, Alfred P Spada, Patricia C Contreras, Nigel Mackman, James P Luyendyk
Tissue factor (TF) is the primary activator of the blood coagulation cascade. Liver parenchymal cells (i.e., hepatocytes) express TF in a molecular state that lacks procoagulant activity. Hepatocyte apoptosis is an important feature of acute and chronic liver diseases, and Fas-induced apoptosis increases hepatocyte TF procoagulant activity in vitro. We determined the impact of a pan-caspase inhibitor, IDN-7314, on hepatocyte TF activity in vitro and TF-mediated coagulation in vivo. Treatment of primary mouse hepatocytes with the Fas death receptor ligand (Jo2, 0...
December 7, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29227009/fetal-liver-injury-ameliorated-by-migration-inhibitory-factor-inhibition-in-a-rat-model-of-acute-pancreatitis-in-pregnancy
#7
Zheng-Da Guo, Liang Zhao, Peng Wang, Wen-Hong Deng, Qiao Shi, Teng Zuo, Yu-Pu Hong, Wei-Xing Wang
AIM: This study was designed to investigate and assess fetal liver injury in a rat model of acute pancreatitis in pregnancy (APIP) as well as its possible mechanisms and potential therapeutic targets. METHODS: The APIP model was induced by sodium taurocholate in Sprague-Dawley rats during the third trimester. ISO-1, a macrophage migration inhibitory factor (MIF) antagonist, was given before the induction of APIP. In addition, sham-operated rats at later gestation were set as controls...
December 11, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29224053/spontaneous-bacteremia-and-spontaneous-bacterial-peritonitis-share-similar-prognosis-in-patients-with-cirrhosis-a-cohort-study
#8
Sebastián Marciano, Melisa Dirchwolf, Carla S Bermudez, Natalia Sobenko, Leila Haddad, Federico Genre Bert, Laura Barcán, Astrid Smud, Maria Lourdes Posadas-Martínez, Diego Giunta, Adrián Gadano
BACKGROUND AND AIMS: Spontaneous bacteremia is a poorly characterized infection in patients with cirrhosis. We compared the incidence of mortality and acute kidney injury in patients with spontaneous bacterial peritonitis and spontaneous bacteremia, and identified risk factors for mortality and acute kidney injury in patients with spontaneous bacteremia. METHODS: We performed a retrospective cohort study of patients with cirrhosis and spontaneous bacteremia or spontaneous bacterial peritonitis from 2008 to 2016 at Hospital Italiano, Buenos Aires...
December 9, 2017: Hepatology International
https://www.readbyqxmd.com/read/29222960/drug-induced-acute-liver-failure-in-children-and-adults-results-of-a-single-center-study-of-128-patients
#9
Harshad Devarbhavi, Mallikarjun Patil, Vishnu Vardhan Reddy, Rajvir Singh, Tarun Joseph, Deepak Ganga
BACKGROUND AND AIMS: Drugs producing acute liver failure (ALF) are uncommon and vary geographically. Here we review the implicated drugs, clinical features, laboratory characteristics and outcome of patients with drug-induced ALF (DIALF). We analyzed the predictors of mortality and their relationship with MELD, Kings College criteria (KCC) and ALFSG prognostic index. METHODS: We identified DIALF patients from our drug-induced liver injury (DILI) registry (1997-2017)...
December 9, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29221978/influence-of-6-hydroxyethyl-starch-130-0-4-versus-crystalloid-solution-on-structural-renal-damage-markers-after-coronary-artery-bypass-grafting-a-post-hoc-subgroup-analysis-of-a-prospective-trial
#10
Thomas Datzmann, Markus Hoenicka, Helmut Reinelt, Andreas Liebold, Hagen Gorki
OBJECTIVE: The restriction of hydroxyethyl starch (HES) has mandated changes in volume management based on data of critically ill patients. Reliable data of structural renal damage after HES treatment in cardiac surgical patients are lacking. The influence of 6% HES 130/0.4 was investigated in this study. DESIGN: An exploratory post hoc subgroup analysis of a prospective trial was performed. SETTING: The study was carried out at a university hospital...
May 25, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29218832/necrotizing-enterocolitis-in-the-setting-of-milk-allergy-after-pediatric-living-donor-liver-transplantation
#11
Soichi Narumoto, Seisuke Sakamoto, Hajime Uchida, Kengo Sasaki, Takanobu Shigeta, Akinari Fukuda, Shunsuke Nosaka, Rie Irie, Takako Yoshioka, Mureo Kasahara
NEC is an idiopathic intestinal mucosal injury that may progress to transmural bowel necrosis without mesenteric ischemia. NEC usually affects 7- to 10-day-old neonates following enteral feeding. A 10-month-old girl with no history of laparotomy underwent LDLT for acute liver failure. After starting enteral feeding on postoperative day 5, she developed abdominal distention. Diffuse PVG and PI were detected by radiologic modalities. Exploratory laparotomy revealed patchy necrosis of the intestine without perforation...
December 7, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/29217823/lysophosphatidic-acid-protects-against-acetaminophen-induced-acute-liver-injury
#12
Geon Ho Bae, Sung Kyun Lee, Hyung Sik Kim, Mingyu Lee, Ha Young Lee, Yoe-Sik Bae
We investigated the effect of lysophosphatidic acid (LPA) in experimental acetaminophen (APAP)-induced acute liver injury. LPA administration significantly reduced APAP-challenged acute liver injury, showing attenuated liver damage, liver cell death and aspartate aminotransferase and alanine aminotransferase levels. APAP overdose-induced mortality was also significantly decreased by LPA administration. Regarding the mechanism involved in LPA-induced protection against acute liver injury, LPA administration significantly increased the glutathione level, which was markedly decreased in APAP challenge-induced acute liver injury...
December 8, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29217140/inhibition-of-canonical-wnt-signaling-pathway-by-%C3%AE-catenin-cbp-inhibitor-icg-001-ameliorates-liver-fibrosis-in-vivo-through-suppression-of-stromal-cxcl12
#13
Büsra Öztürk Akcora, Gert Storm, Ruchi Bansal
Quiescent hepatic stellate cells (HSCs), in response to liver injury, undergo characteristic morphological transformation into proliferative, contractile and ECM-producing myofibroblasts. In this study, we investigated the implication of canonical Wnt signaling pathway in HSCs and liver fibrogenesis. Canonical Wnt signaling pathway activation and inhibition using β-catenin/CBP inhibitor ICG001 was examined in-vitro in TGFβ-activated 3T3, LX2, primary human HSCs, and in-vivo in CCl4-induced acute liver injury mouse model...
December 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29216295/alpha-1-antichymotrypsin-is-involved-in-astrocyte-injury-in-concert-with-arginine-vasopressin-during-the-development-of-acute-hepatic-encephalopathy
#14
Jonghyuk Park, Takahiro Masaki, Yoshihiro Mezaki, Hiroshi Yokoyama, Mariko Nakamura, Haruka Maehashi, Takahiko J Fujimi, Sabine S Gouraud, Keisuke Nagatsuma, Madoka Nakagomi, Naofumi Kimura, Tomokazu Matsuura
BACKGROUND AND AIMS: We developed a bio-artificial liver (BAL) using a radial-flow bioreactor and rescued mini-pig models with lethal acute liver failure (ALF). The point of the rescue is the recovery from hepatic encephalopathy (HE). HE on ALF has sometimes resulted in brain death following brain edema with astrocyte swelling. Several factors, including ammonia and glutamine, have been reported to induce astrocyte swelling and injury. However, many clinicians believe that there are any other factors involved in the development of HE...
2017: PloS One
https://www.readbyqxmd.com/read/29211918/decellularized-human-placenta-supports-hepatic-tissue-and-allows-rescue-in-acute-liver-failure
#15
Zurab Kakabadze, Anne Kakabadze, David Chakhunashvili, Lika Karalashvili, Ekaterine Berishvili, Yogeshwar Sharma, Sanjeev Gupta
Tissue engineering with scaffolds to form transplantable organs is of wide interest. Decellularized tissues have been tested for this purpose, although supplies of healthy donor tissues, vascular recellularization for perfusion and tissue homeostasis in engineered organs pose challenges. We hypothesized decellularized human placenta will be suitable for tissue engineering. The universal availability and unique structures of placenta for accommodating tissue, including presence of embedded vessels, were major attractions...
December 6, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29209134/metabolically-based-liver-damage-pathophysiology-in-patients-with-urea-cycle-disorders-a-new-hypothesis
#16
Ivan Ivanovski, Miloš Ješić, Ana Ivanovski, Livia Garavelli, Petar Ivanovski
The underlying pathophysiology of liver dysfunction in urea cycle disorders (UCDs) is still largely elusive. There is some evidence that the accumulation of urea cycle (UC) intermediates are toxic for hepatocyte mitochondria. It is possible that liver injury is directly caused by the toxicity of ammonia. The rarity of UCDs, the lack of checking of iron level in these patients, superficial knowledge of UC and an underestimation of the metabolic role of fumaric acid, are the main reasons that are responsible for the incomprehension of the mechanism of liver injury in patients suffering from UCDs...
November 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29209107/functional-interaction-of-endoplasmic-reticulum-stress-and-hepatitis-b-virus-in-the-pathogenesis-of-liver-diseases
#17
REVIEW
So Young Kim, Yi Yi Kyaw, Jaehun Cheong
Hepatitis B virus (HBV) is a non-cytopathic virus that causes acute and chronic inflammatory liver diseases, often leading to the pathogenesis of hepatocellular carcinoma (HCC). Although many studies for the roles of HBV on pathogenesis of the liver diseases, such as non-alcoholic fatty liver disease (NAFLD), hepatic inflammation, cirrhosis, and HCC, have been reported, the mechanisms are not fully understood. Endoplasmic reticulum (ER) and mitochondria have the protective mechanisms to restore their damaged function by intrinsic or extrinsic stresses, but their chronic dysfunctions are associated with the pathogenesis of the various diseases...
November 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29207664/shikonin-protects-against-d-galactosamine-and-lipopolysaccharide-induced-acute-hepatic-injury-by-inhibiting-tlr4-signaling-pathway
#18
Meng-Xiang Lin, Yong-Xiang Yi, Pei-Pei Fang, Shan-Shan Huang, Chen-Wei Pan, Ling-Xiang Jin, Tong Zhang, Guang-Yao Zhou
Shikonin, a naphthoquinone isolated from the root of medical herb Lithospermum erythrorhizon, has been reported to have anti-inflammatory effect. However, there is no related research for the treatment of shikonin on hepaic injury. The purpose of this study was to investigate the effects of shikonin on D-Galactosamine and Lipopolysaccharide-induced hepatic injury in mice. Male BALB/c mice were pretreated with shikonin 1 h before LPS/D-GalN treatment. The pathological changes of hepatic injury were detected by H&E staining...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29207058/protective-effect-of-baicalin-against-severe-burn%C3%A2-induced-remote-acute-lung-injury-in-rats
#19
Chongfeng Bai, Tao Li, Qing Sun, Qun Xin, Tongyi Xu, Jinjian Yu, Yun Wang, Li Wei
Baicalin exhibits antibacterial, anti‑viral, anti‑oxidative, antipyretic, analgesic, anti‑inflammatory and anti‑tumor properties. The chemical scavenges oxygen free radicals, protects the cardiovascular system and neurons, protects the liver, and has been used for the prevention and treatment of diabetes‑associated complications. The present study investigated the effect of baicalin on severe burn‑induced remote acute lung injury (ALI). The present study demonstrated that baicalin significantly decreased the lung wet‑to‑dry weight ratio, improved pulmonary histological alterations and reduced the expression of high mobility group protein B1 in the rat model of ALI...
November 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29201275/resveratrol-and-montelukast-alleviate-paraquat-induced-hepatic-injury-in-mice-modulation-of-oxidative-stress-inflammation-and-apoptosis
#20
Noha A El-Boghdady, Nourtan F Abdeltawab, Mohammed M Nooh
Paraquat (PQ) is one of the most used herbicide worldwide. Its cytotoxicity is attributed to reactive radical generation. Resveratrol (Res) and montelukast (MK) have anti-inflammatory and antioxidant properties. The protective effects of Res, MK, or their combination against PQ-induced acute liver injury have not been investigated before. Therefore, we explored the protective potential of Res and/or MK against PQ hepatic toxicity in a mouse model. Mice were randomly assigned to five groups: group I served as the normal control and group II received a single dose of PQ (50 mg/kg, i...
2017: Oxidative Medicine and Cellular Longevity
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