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Liver injury

Anselm Wong, Benjamin Cheung, Charlotte Nejad, Michael Gantier, Andis Graudins
CASE DETAILS: A 19-year-old girl presented to the emergency department following overdose of 10 g of paracetamol on a background history of cystic fibrosis. Paracetamol concentration was below the nomogram line, but was treated with acetylcysteine seven hours post-overdose given her symptomatology. Nineteen hours following her overdose she developed hepatotoxicity, despite early initiation of acetylcysteine. She was discharged well six days post-ingestion. On presentation, delta miRNA-122-miR483 was 20 times that of control patients, however, alanine aminotransferase was normal...
March 22, 2018: Clinical Toxicology
Xinxin Tian, Hui Zhang, Yali Zhao, Khalid Mehmood, Xiaoxing Wu, Zhenyu Chang, Min Luo, Xueting Liu, Muhammad Ijaz, Muhammad Tariq Javed, Donghai Zhou
Chromium (Cr) is one of the most important environmental pollutants which are released into the environment due to their wide usage in numerous industries. The excess of Cr (VI) can induce hepatotoxicity, while the molecular mechanism that is involved in Cr (VI)-induced hepatotoxicity is unclear. We demonstrated the induction of chromium poisoning model in chickens to identify the differentially expressed genes (DEGs), and their functions were analyzed under different physiological and pathological conditions...
March 21, 2018: Environmental Science and Pollution Research International
Beverley Kok, Erica L W Lester, William M Lee, A James Hanje, R Todd Stravitz, Safwat Girgis, Vaishali Patel, Joshua R Peck, Christopher Esber, Constantine J Karvellas
BACKGROUND: Tumor necrosis factor-α antagonists (anti-TNF-α) have been associated with drug-induced liver injury. However, cases of anti-TNF-α-associated acute liver failure have only been rarely reported. AIMS: To identify cases of anti-TNF-α-associated acute liver failure and evaluate patterns of liver injury and common characteristics to the cases. METHODS: The United States Acute Liver Failure Study Group database was searched from 1998 to 2014...
March 21, 2018: Digestive Diseases and Sciences
Dyre Kleive, Mushegh A Sahakyan, Ammar Khan, Bjarte Fosby, Pål-Dag Line, Knut Jørgen Labori
PURPOSE: The incidence of intraoperative arterial injury during pancreatectomy is not well described. This study aims to evaluate the incidence, management, and outcome of arterial injuries during pancreatectomy. METHODS: This is a retrospective study of 1535 consecutive patients undergoing pancreatectomy between 2006 and 2016 at Oslo University Hospital. The type of arterial injury and potential contributing factors were analyzed. Short-term outcomes were compared between patients with arterial injury and patients undergoing a planned arterial resection due to tumor involvement...
March 21, 2018: Langenbeck's Archives of Surgery
Stefano Bibbò, Gianluca Ianiro, Maria Pina Dore, Claudia Simonelli, Estelle E Newton, Giovanni Cammarota
The prevalence of nonalcoholic fatty liver disease and the consequent burden of metabolic syndrome have increased in recent years. Although the pathogenesis of nonalcoholic fatty liver disease is not completely understood, it is thought to be the hepatic manifestation of the dysregulation of insulin-dependent pathways leading to insulin resistance and adipose tissue accumulation in the liver. Recently, the gut-liver axis has been proposed as a key player in the pathogenesis of NAFLD, as the passage of bacteria-derived products into the portal circulation could lead to a trigger of innate immunity, which in turn leads to liver inflammation...
2018: Mediators of Inflammation
Shusuke Hiragi, Hiroyuki Yamada, Tatsuo Tsukamoto, Kazuki Yoshida, Naoya Kondo, Takeshi Matsubara, Motoko Yanagita, Hiroshi Tamura, Tomohiro Kuroda
Background: Acetaminophen (APAP) is frequently used for analgesia and is considered safer than nonsteroidal anti-inflammatory drugs (NSAIDs) for the kidneys. However, there is little epidemiological evidence of the association between APAP and acute kidney injury (AKI). Objectives: To examine the association between APAP and AKI using the self-controlled case series (SCCS) method, which is a novel strategy to control between-person confounders by comparing the risk and reference periods in each patient...
2018: Clinical Epidemiology
Jean Publicover, Anuj Gaggar, Jillian M Jespersen, Ugur Halac, Audra J Johnson, Amanda Goodsell, Lia Avanesyan, Stephen L Nishimura, Meghan Holdorf, Keith G Mansfield, Joyce Bousquet Judge, Arya Koshti, Michael Croft, Adil E Wakil, Philip Rosenthal, Eric Pai, Stewart Cooper, Jody L Baron
Depending on age of acquisition, hepatitis B virus (HBV) can induce a cell-mediated immune response that results in either cure or progressive liver injury. In adult-acquired infection, HBV antigens are usually cleared, whereas in infancy-acquired infection, they persist. Individuals infected during infancy therefore represent the majority of patients chronically infected with HBV (CHB). A therapy that can promote viral antigen clearance in most CHB patients has not been developed and would represent a major health care advance and cost mitigator...
March 21, 2018: Science Translational Medicine
Tianhua Fu, Shijie Wang, Jinping Liu, Enbo Cai, Haijun Li, Pingya Li, Yan Zhao
The purpose of this study was to evaluate the protective effects of α-mangostin against acetaminophen (APAP)-induced acute liver injury and discover its potential mechanisms in mice. Mice were continuously treated with α-mangostin (12.5 and 25mg/kg) by intragastric administration once daily for 6 days, and injected intraperitoneally with APAP (300mg/kg) after 1h of α-mangostin administration on the last day. After APAP exposure for 24h, the liver and serum were gathered to evaluate the hepatotoxicity. The results showed that α-mangostin effectively decreased the serum levels of alanine aminotransferase, aspartate transaminase, tumor necrosis factor (TNF-α), interleukin-1β and 6 (IL-1β, IL-6), and hepatic malondialdehyde level; and recovered hepatic glutathione (GSH), superoxide dismutase and catalase activities...
March 18, 2018: European Journal of Pharmacology
Noura S Abul-Husn, Xiping Cheng, Alexander H Li, Yurong Xin, Claudia Schurmann, Panayiotis Stevis, Yashu Liu, Julia Kozlitina, Stefan Stender, G Craig Wood, Ann N Stepanchick, Matthew D Still, Shane McCarthy, Colm O'Dushlaine, Jonathan S Packer, Suganthi Balasubramanian, Nehal Gosalia, David Esopi, Sun Y Kim, Semanti Mukherjee, Alexander E Lopez, Erin D Fuller, John Penn, Xin Chu, Jonathan Z Luo, Uyenlinh L Mirshahi, David J Carey, Christopher D Still, Michael D Feldman, Aeron Small, Scott M Damrauer, Daniel J Rader, Brian Zambrowicz, William Olson, Andrew J Murphy, Ingrid B Borecki, Alan R Shuldiner, Jeffrey G Reid, John D Overton, George D Yancopoulos, Helen H Hobbs, Jonathan C Cohen, Omri Gottesman, Tanya M Teslovich, Aris Baras, Tooraj Mirshahi, Jesper Gromada, Frederick E Dewey
BACKGROUND: Elucidation of the genetic factors underlying chronic liver disease may reveal new therapeutic targets. METHODS: We used exome sequence data and electronic health records from 46,544 participants in the DiscovEHR human genetics study to identify genetic variants associated with serum levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST). Variants that were replicated in three additional cohorts (12,527 persons) were evaluated for association with clinical diagnoses of chronic liver disease in DiscovEHR study participants and two independent cohorts (total of 37,173 persons) and with histopathological severity of liver disease in 2391 human liver samples...
March 22, 2018: New England Journal of Medicine
Raimundo Martins Gomes Junior, Lia Cavalcante Cezar, Gdayllon Cavalcante Meneses, Geraldo Bezerra da Silva Junior, José Huygenes Parente Garcia, Elizabeth De Francesco Daher
BACKGROUND: Acute kidney injury (AKI) is a common complication in the immediate postoperative period of patients undergoing liver transplantation. OBJECTIVE: The aim of this study was to evaluate preoperative risk factors for AKI after liver transplantation. METHODS: A cross-sectional study was conducted with adults submitted to orthotopic liver transplantation at a reference hospital in Fortaleza, Northeast of Brazil, from January to December 2016...
January 2018: Arquivos de Gastroenterologia
Hena S Ahmed, Austin R Pantel, James M Metz, John P Plastaras, Michael D Farwell
A 25-year-old man with IgA deficiency was treated with 2 months of chemotherapy and proton therapy for gastroesophageal junction adenocarcinoma. Restaging PET/CT 18 days posttherapy demonstrated 2 new foci of increased FDG uptake in the left hepatic lobe, which were favored to represent radiation injury as opposed to new metastases. Follow-up MRI with contrast 2 weeks later demonstrated hypoenhancement and T1/T2 hypointensity in the liver, without restricted diffusion, which correlated with the dominant FDG-avid focus...
March 20, 2018: Clinical Nuclear Medicine
U Vespasiani-Gentilucci, F Vorini, S Carotti, A De Vincentis, G Galati, P Gallo, N Scopinaro, A Picardi
BACKGROUND: Even if the jejunoileal bypass has been definitely abandoned due to the high rate of hepatic complications, cases of liver injury after the new bariatric procedures are still reported. We aimed to review the available literature concerning liver damage associated with the older and newer types of bariatric surgeries. METHODS: An extensive literature search of MEDLINE was performed using different combinations of the following terms: "bariatric surgery OR biliopancreatic diversion OR jejunoileal bypass OR roux-en-y gastric bypass OR vertical banded gastroplasty OR laparoscopic adjustable gastric banding" AND "hepatic/liver damage OR hepatic/liver impairment OR hepatic/liver failure"...
October 2017: Acta Gastro-enterologica Belgica
Minako Nagatome, Yuki Kondo, Daisuke Kadowaki, Yusuke Saishyo, Mitsuru Irikura, Tetsumi Irie, Yoichi Ishitsuka
Acetaminophen, a common analgesic/antipyretic, is a frequent cause of acute liver failure in Western countries. The development of an effective cure against acetaminophen hepatotoxicity is crucial. Ethyl pyruvate, an ethyl ester derivative of pyruvic acid, has been identified as a possible candidate against acetaminophen hepatotoxicity in animal experiments. However, the mode of the hepatoprotective action of ethyl pyruvate remains unclear. We examined the hepatoprotective effect of ethyl pyruvate against hepatocyte injury and oxidative stress in a mouse model of acetaminophen hepatotoxicity...
February 2018: Heliyon
Kumar Rajnish, Sathasivam Sureshkumar, Manwar S Ali, Chellappa Vijayakumar, Sundaramurthi Sudharsanan, Chinnakali Palanivel
Introduction Laparoscopic cholecystectomy (LC) is the most commonly done, minimally invasive surgical procedure. Routinely used electrocautery produces more smoke, which masks the operating field, thereby prolongs the surgery and posing an increased risk of gallbladder (GB) perforation. The titanium clips used for clipping the cystic artery and cystic duct have a risk of slippage, which may lead to bleeding, and an increased risk for bile leakage. In addition, it may act as a nidus for stone formation. Advanced energy sources, such as the harmonic scalpel, though expensive, may provide the advantage of shorter operating time by reducing smoke, bloodless dissection in the GB bed, lower risk of bleeding from the cystic artery due to secure vessel sealing, and avoiding the use of a larger number of titanium clips...
January 18, 2018: Curēus
Lauren R Klein, Marc L Martel, Brian E Driver, Mackenzie Reing, Jon B Cole
Introduction: A subset of frequent users of emergency services are those who use the emergency department (ED) for acute alcohol intoxication. This population and their ED encounters have not been previously described. Methods: This was a retrospective, observational, cohort study of patients presenting to the ED for acute alcohol intoxication between 2012 and 2016. We collected all data from the electronic medical record. Frequent users for alcohol intoxication were defined as those with greater than 20 visits for acute intoxication without additional medical chief complaints in the previous 12 months...
March 2018: Western Journal of Emergency Medicine
Jian-Wei Lou, Liang-Liang Cao, Qiao Zhang, Dong-Jing Jiang, Wei-Feng Yao, Bei-Hua Bao, Yu-Dan Cao, Yu-Ping Tang, Li Zhang, Kun Wang, Guan-Cheng Dai
ETHNOPHARMACOLOGICAL RELEVANCE: Kansui, the root of Euphorbia kansui S.L.Liou ex S.B.Ho (E.kansui), is a classical traditional Chinese medicine (TCM) with certain toxicity. According to the theory of TCM, kansui fry-baked with vinegar (VEK) possesses low toxicity and mild diuretic and purgative efficacy. In clinical practice, it is commonly used for the treatment of ascites and oliguria. The present study aimed to evaluate the toxicity and efficacy of different fractions of VEK and reveal the underlying material basis by employing an animal model of malignant ascites effusion (MAE) in rats...
March 17, 2018: Journal of Ethnopharmacology
Eric Wei Chiang Chan, Siu Kuin Wong, Hung Tuck Chan
This short review provides an update of the anticancer and anti-inflammatory properties of casticin from Vitex species. Casticin is a polymethylflavone with three rings, an orthocatechol moiety, a double bond, two hydroxyl groups and four methoxyl groups. Casticin has been isolated from various tissues of plants in the Vitex genus: fruits and leaves of V. trifolia; aerial parts and seeds of V. agnus-castus and leaves of V. negundo. Studies have reported the antiproliferative and apoptotic activities of casticin from Vitex species...
March 6, 2018: Journal of Integrative Medicine
Neyla Ben Gdara, Amel Belgacem, Ikram Khemiri, Safa Mannai, Lotfi Bitri
In this study, phycocyanin (Pc) extracted from Spirulina platensis was used to evaluate its antioxidants effects after ischemia/reperfusion injury (IRI) using the ex-vivo model of isolated perfused rat liver. The rats were divided into eight groups : Control group, where livers were directly perfused after their removal; Cold Ischemia group (CI), livers were treated in the same way as the control group, except that after their collection, they were stored for 12 h and 24 h in the Krebs Henseleit (KH) preservation solution at 4 °C and Treated group (PHY), livers were preserved in the same way as the preceding group except that the KH solution was enriched with phycocyanin at two different concentrations...
March 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Sowmya Mekala, Subbarao V Tullimilli, Ramasatyaveni Geesala, Kanakaraju Manupati, Neha R Dhoke, Amitava Das
Apoptotic hepatocytes release factors that activate Hepatic Stellate Cells (HSCs) thereby inducing hepatic fibrosis. In the present study, in vivo and in vitro injury models were established using acetaminophen, ethanol, carbon tetrachloride or thioacetamide. Hepatotoxicant-induced diseased hepatic tissue histology correlated with a differential expression of fibrosis-related genes. Marked increase in co-staining of TGFRIIβ-Desmin or α-SMA-PDGFRβ, markers of activated HSCs, in liver sections of these hepatotoxicant-treated mice also depicted an increase in Annexin V-Cytokeratin expressing hepatocytes...
March 20, 2018: Canadian Journal of Physiology and Pharmacology
Bilon Khambu, Nazmul Huda, Xiaoyun Chen, Daniel J Antoine, Yong Li, Guoli Dai, Ulrike A Köhler, Wei-Xing Zong, Satoshi Waguri, Sabine Werner, Tim D Oury, Zheng Dong, Xiao-Ming Yin
Autophagy is important for liver homeostasis and the deficiency leads to injury, inflammation, ductular reaction (DR), fibrosis, and tumorigenesis. It is not clear how these events are mechanistically linked to autophagy deficiency. Here we reveal the role of highmobility group box 1 (HMGB1) in two of these processes. First, HMGB1 was required for DR, which represents the expansion of hepatic progenitor cells (HPC) implicated in liver repair and regeneration. DR caused by hepatic toxic diets (DDC or CDE) also depended on HMGB1, indicating that HMGB1 may be generally required for DR in various injury scenarios...
March 20, 2018: Journal of Clinical Investigation
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