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Drug induced liver injury

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https://www.readbyqxmd.com/read/29778019/phoenix-dactylifera-protects-against-oxidative-stress-and-hepatic-injury-induced-by-paracetamol-intoxication-in-rats
#1
Gamal A Salem, Ahmed Shaban, Hussain A Diab, Wesam A Elsaghayer, Manal D Mjedib, Aomassad M Hnesh, Ravi P Sahu
The current studies were sought to determine effects of antioxidant potential of aqueous and methanolic extracts of Phoenix dactylifera leaves (PLAE and PLME) against the widely-used analgesic paracetamol (PCM) induced hepatotoxicity. Groups of rats were treated with or without PCM (1500 mg/kg), PLAE and PLME (300 mg/kg) and n-acetylcysteine (NAC, 50 mg/kg) followed by assessments of liver function tests, oxidative stress, antioxidant defenses, and hepatotoxicity. We observed that PCM significantly elevated serum liver markers, aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma glutamyl transferase (GGT), and bilirubin compared to control (untreated) group...
May 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29774767/the-role-of-hepatic-antioxidant-capacity-and-hepatobiliary-transporter-in-liver-injury-induced-by-isopsoralen-in-zebrafish-larvae
#2
Y Zhang, Y Zhang, J Li, Y Chen, L Han, Q He, J Chu, K Liu
Isopsoralen is the main component of the Chinese medicine psoralen, which has antitumour activity and can be used for the treatment of osteoporosis. However, the mechanism behind its hepatotoxicity has not yet been elucidated. In this study, the hepatotoxicity of isopsoralen was investigated using zebrafish. Isopsoralen treatment groups of 25, 50 and 100 μM were established. The mortality, liver morphology changes, levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST), liver histopathology and mRNA levels of liver injury-related genes in zebrafish larvae were measured...
January 1, 2018: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29774570/high-mobility-group-box-1-drives-fibrosis-progression-signaling-via-the-receptor-for-advanced-glycation-end-products-in-mice
#3
Xiaodong Ge, Elena Arriazu, Fernando Magdaleno, Daniel J Antoine, Rouchelle Dela Cruz, Neil Theise, Natalia Nieto
BACKGROUND & RATIONALE: High-mobility group box-1 (HMGB1) is a damage-associated molecular pattern (DAMP) increased in response to liver injury. Since HMGB1 is a ligand for the receptor for advanced glycation end-products (RAGE), we hypothesized that induction of HMGB1 could participate in the pathogenesis of liver fibrosis via RAGE cell-specific signaling mechanisms. RESULTS: liver HMGB1 protein expression correlated with fibrosis stage in patients with chronic Hepatitis C virus (HCV) infection, primary biliary cirrhosis (PBC) and alcoholic steatohepatitis (ASH)...
May 18, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29771932/a-multi-center-preclinical-study-of-gadoxetate-dce-mri-in-rats-as-a-biomarker-of-drug-induced-inhibition-of-liver-transporter-function
#4
Anastassia Karageorgis, Stephen C Lenhard, Brittany Yerby, Mikael F Forsgren, Serguei Liachenko, Edvin Johansson, Mark A Pilling, Richard A Peterson, Xi Yang, Dominic P Williams, Sharon E Ungersma, Ryan E Morgan, Kim L R Brouwer, Beat M Jucker, Paul D Hockings
Drug-induced liver injury (DILI) is a leading cause of acute liver failure and transplantation. DILI can be the result of impaired hepatobiliary transporters, with altered bile formation, flow, and subsequent cholestasis. We used gadoxetate dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI), combined with pharmacokinetic modelling, to measure hepatobiliary transporter function in vivo in rats. The sensitivity and robustness of the method was tested by evaluating the effect of a clinical dose of the antibiotic rifampicin in four different preclinical imaging centers...
2018: PloS One
https://www.readbyqxmd.com/read/29770511/liver-enzyme-abnormalities-of-inpatients-with-rheumatic-diseases-a-10-year-retrospective-study-in-a-korean-medicine-hospital
#5
Hyeonhoon Lee, Seunghoon Lee, Jung Won Kang, Jae-Dong Lee
Herbal medicines have been used as a treatment option for rheumatic disease (RD), but they often produce liver enzyme abnormality. This study examines the incidence of herb-induced liver injury (HILI) and the relationship between risk factors and liver enzyme abnormality (LEA) in inpatients with RD. HILI was analyzed using the Roussel Uclaf causality assessment method liver injury criteria and causality assessment. Multivariable analysis was performed to assess the relationship between patient characteristics and LEA in RD...
May 16, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29764210/curative-ex-vivo-hepatocyte-directed-gene-editing-in-a-mouse-model-of-hereditary-tyrosinemia-type-1
#6
Caitlin VanLith, Rebekah Guthman, Clara T Nicolas, Kari Allen, Zeji Du, Dong Jin Joo, Scott L Nyberg, Joseph B Lillegard, Raymond Daniel Hickey
Hereditary tyrosinemia type 1 (HT1) is an autosomal recessive disorder caused by deficiency of fumarylacetoacetate hydrolase (FAH). It has been previously shown that ex vivo hepatocyte-directed gene therapy using an integrating lentiviral vector to replace the defective Fah gene can cure liver disease in small and large animal models of HT1. In this study, we hypothesized that ex vivo hepatocyte-directed gene editing using CRISPR-Cas9 could be used to correct a mouse model of HT1, in which a single point mutation results in loss of FAH function...
May 15, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29761207/omics-based-responses-induced-by-bosentan-in-human-hepatoma-heparg-cell-cultures
#7
Robim M Rodrigues, Laxmikanth Kollipara, Umesh Chaudhari, Agapios Sachinidis, René P Zahedi, Albert Sickmann, Annette Kopp-Schneider, Xiaoqi Jiang, Hector Keun, Jan Hengstler, Marlies Oorts, Pieter Annaert, Eef Hoeben, Eva Gijbels, Joery De Kock, Tamara Vanhaecke, Vera Rogiers, Mathieu Vinken
Bosentan is well known to induce cholestatic liver toxicity in humans. The present study was set up to characterize the hepatotoxic effects of this drug at the transcriptomic, proteomic, and metabolomic levels. For this purpose, human hepatoma-derived HepaRG cells were exposed to a number of concentrations of bosentan during different periods of time. Bosentan was found to functionally and transcriptionally suppress the bile salt export pump as well as to alter bile acid levels. Pathway analysis of both transcriptomics and proteomics data identified cholestasis as a major toxicological event...
May 14, 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29753871/combinatorial-usage-of-fungal-polysaccharides-from-cordyceps-sinensis-and-ganoderma-atrum-ameliorate-drug-induced-liver-injury-in-mice
#8
Songtao Fan, Xiaojun Huang, Sunan Wang, Chang Li, Zhihong Zhang, Mingyong Xie, Shaoping Nie
This study investigated the possible protective effect of combined fungal polysaccharides (CFP), consisting of Cordyceps sinensis polysaccharides (CSP) and Ganoderma atrum polysaccharides (PSG) with well-defined structural characteristics, against cyclophosphamide (CTX)-induced hepatotoxicity in mice. Our results indicated CFP effectively prevented the liver injury by decreasing toxicity markers (aspartate transaminase, alanine aminotransferase and alkaline phosphatase). Further biochemical and molecular analysis indicated CSP particularly inhibited the activation of Toll-like receptor 9 (TLR9) and its related inflammatory signals, including pro-inflammatory cytokines, inducible nitric oxide synthase, and cyclooxygenase-2 to modulate hepatic inflammation response...
May 10, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29753208/mechanisms-of-acetaminophen-induced-liver-injury-and-its-implications-for-therapeutic-interventions
#9
REVIEW
Mingzhu Yan, Yazhen Huo, Shutao Yin, Hongbo Hu
Acetaminophen (APAP) overdose is the leading cause of drug-induced acute liver failure in many developed countries. Mitochondrial oxidative stress is considered to be the predominant cellular event in APAP-induced liver injury. Accordingly, N-acetyl cysteine, a known scavenger of reactive oxygen species (ROS), is recommended as an effective clinical antidote against APAP-induced acute liver injury (AILI) when it is given at an early phase; however, the narrow therapeutic window limits its use. Hence, the development of novel therapeutic approaches that can offer broadly protective effects against AILI is clearly needed...
April 22, 2018: Redox Biology
https://www.readbyqxmd.com/read/29751876/recent-advances-in-the-histopathology-of-drug-induced-liver-injury
#10
REVIEW
David E Kleiner
Drug-induced liver injury (DILI) is constantly changing as new drugs are approved and as new herbals and dietary supplements (HDS) reach the market. The pathologist plays a key role in the evaluation of DILI by classifying and interpreting the histologic findings considering patients' medical history and drug exposure. The liver biopsy findings may suggest alternative explanations of the injury and additional testing that should be performed to exclude non-DILI causes. Recent reports of iatrogenic liver injury are reviewed with attention to immunomodulatory and antineoplastic agents as well as reports of injury associated with HDS use...
June 2018: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/29750764/linezolid-containing-treatment-regimens-for-tuberculosis-in-children
#11
Luis M Prieto, Begoña Santiago, Teresa Del Rosal, Begoña Carazo, Ana B Jiménez, Beatriz Pérez-Gorricho, Felipe Rubio, Alfredo Tagarro, Daniel Blázquez, David Moreno-Pérez, María J Mellado, Fernando Baquero-Artigao
BACKGROUND: In recent years there is an increasing interest in the use of linezolid for the treatment of tuberculosis (TB). METHODS: Patients under 18 years of age who received linezolid within the Spanish Pediatric TB Network (pTBred) from 2001 to 2016 were retrospectively included. Treatment characteristics, adverse events (AEs) and outcomes were analyzed. RESULTS: Fifteen children were included (53% male) with a median age of 3.6 years (IQR: 1...
May 10, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29749328/effect-of-ursodeoxycholic-acid-and-vitamin-e-in-the-prevention-of-liver-injury-from-methotrexate-in-pediatric-leukemia
#12
Mohammadreza Bordbar, Nader Shakibazad, Mohammadreza Fattahi, Sezaneh Haghpanah, Naser Honar
BACKGROUND/AIMS: Ursodeoxycholic acid (UDCA) and antioxidants such as vitamin E are considered to have a protective role in preventing chemotherapy-induced liver damage. The aim of this study was to assess the efficacy of these agents for hepatoprotection in pediatric patients with B-cell acute lymphoblastic leukemia (ALL), who were treated with methotrexate in their maintenance phase of treatment. MATERIALS AND METHODS: Eighty children with B-cell ALL were randomly divided into four groups...
March 2018: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29748533/p53-attenuates-acetaminophen-induced-hepatotoxicity-by-regulating-drug-metabolizing-enzymes-and-transporter-expression
#13
Jiahong Sun, Yajie Wen, Yanying Zhou, Yiming Jiang, Yixin Chen, Huizheng Zhang, Lihuan Guan, Xinpeng Yao, Min Huang, Huichang Bi
Acetaminophen (APAP) overdose is the most frequent cause of drug-induced acute liver failure. Inhibition of APAP metabolic activation and promotion in APAP disposition are important to protect against APAP-induced liver injury. Tumor suppressor p53 is traditionally recognized as a surveillance molecule to preserve genome integrity. Recent studies have emerged on discovering its functions in metabolic regulation. Our previous study reported that p53 promoted bile acid disposition and alleviated cholestastic syndrome...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29744119/levetiracetam-induced-transaminitis-in-a-young-male-with-traumatic-brain-injury
#14
Vivekananda Rachamallu, Michael M Song, Jace M Reed, Manish Aligeti
Levetiracetam is a commonly prescribed antiepileptic drug for seizure prophylaxis in patients with traumatic brain injury (TBI). Levetiracetam metabolism has been reported to be non-dependent on hepatic cytochrome P450 (CYP450) isoenzyme system. Furthermore, levetiracetam and its metabolites are reported to be eliminated from systemic circulation via renal excretion. Therefore, due to its well-known renal clearance mechanism with no dosage adjustments recommended for hepatic impairment, levetiracetam is often chosen as the drug of choice in patients with suspected or ongoing hepatic dysfunction...
November 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29743445/increased-susceptibility-to-troglitazone-induced-mitochondrial-permeability-transition-in-type-2-diabetes-mellitus-model-rat
#15
Masahiro Segawa, Shuichi Sekine, Tomoyuki Sato, Kousei Ito
Troglitazone, a member of the thiazolidinedione class of antidiabetic drugs, was withdrawn from the market because it causes severe liver injury. One of the mechanisms for this adverse effect is thought to be mitochondrial toxicity. To investigate the characteristics of troglitazone-induced liver toxicity in more depth, the toxicological effects of troglitazone on hepatocytes and liver mitochondria were investigated using a rat model of type 2 diabetes mellitus (T2DM). Troglitazone was found to increase mitochondrial permeability transition (MPT) in the liver mitochondria of diabetic rats to a greater extent than in control rats, whereas mitochondrial membrane potential and oxidative phosphorylation were not affected...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29735795/lncrna-regulated-autophagy-and-its-potential-role-in-drug-induced-liver-injury
#16
Juan Zhou, Yi Li, XinYu Liu, Yunzhu Long, Jun Chen
BACKGROUND AND AIM: Autophagy and its regulated pathways participate in many important cellular physiology and pathological processes involving protein aggregates, damaged mitochondria, excessive peroxisomes, ribosomes, and invading pathogens. This study aimed to review recently published studies and further describe the long noncoding RNA (lncRNA)-regulated autophagy during drug-induced liver injury (DILI). MATERIAL AND METHODS: DILI, autophagy, autophagy-related genes (ATGs), and lncRNA were used as key words to search published studies from PubMed, Google Scholar, and Web of Science...
April 9, 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29733743/use-of-an-animal-model-to-test-whether-non-alcoholic-fatty-liver-disease-increases-the-risk-of-idiosyncratic-drug-induced-liver-injury
#17
Alastair Mak, Tiffany Cho, Jack Uetrecht
Clinical evidence suggests that most idiosyncratic drug-induced liver injury (IDILI) is immune-mediated. The danger hypothesis suggests that liver injury and inflammation would increase the risk of an immune response leading to IDILI. Therefore, a reasonable hypothesis would be that an underlying chronic liver disease such as non-alcoholic steatohepatitis (NASH) would increase the risk of developing IDILI due to inflammation and release of danger signals from damaged cells. In order to test this hypothesis, mice were fed a methionine-/choline-deficient (MCD) diet that produces a consistent NASH phenotype, along with amodiaquine (AQ) - a drug known to cause IDILI in humans...
December 2018: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/29729369/reference-intervals-for-putative-biomarkers-of-drug-induced-liver-injury-and-liver-regeneration-in-healthy-human-volunteers
#18
Ben Francis, Joanna I Clarke, Lauren E Walker, Nathalie Brillant, Andrea L Jorgensen, B Kevin Park, Munir Pirmohamed, Daniel J Antoine
BACKGROUND & AIMS: The potential of mechanistic biomarkers to improve the prediction of drug-induced liver injury (DILI) and hepatic regeneration is widely acknowledged. We sought to determine reference intervals for new biomarkers of DILI and regeneration as well as to characterize their natural variability and impact of diurnal variation. METHODS: Serum samples from 200 healthy volunteers were recruited as part of a cross sectional study; of these, 50 subjects had weekly serial sampling over 3 weeks, while 24 had intensive blood sampling over a 24h period...
May 2, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29729087/liver-injury-after-pulsed-methylprednisolone-therapy-in-multiple-sclerosis-patients
#19
Viviana Nociti, Marco Biolato, Chiara De Fino, Assunta Bianco, Francesco Antonio Losavio, Matteo Lucchini, Giuseppe Marrone, Antonio Grieco, Massimiliano Mirabella
OBJECTIVES: High-dose pulsed methylprednisolone-related liver injury cases have been reported in the literature, but a prospective study in patients with multiple sclerosis (MS) has never been performed. The aim of this study was to evaluate the prevalence and severity of liver injury in patients with MS after pulsed methylprednisolone therapy. METHODS: We performed a prospective observational single-center study on patients with MS treated with i.v. methylprednisolone 1,000 mg/day for 5 days...
May 4, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29727961/pyrethroid-insecticide-lambda-cyhalothrin-induces-hepatic-cytochrome-p450-enzymes-oxidative-stress-and-apoptosis-in-rats
#20
María-Aránzazu Martínez, Irma Ares, José-Luis Rodríguez, Marta Martínez, David Roura-Martínez, Victor Castellano, Bernardo Lopez-Torres, María-Rosa Martínez-Larrañaga, Arturo Anadón
This study aimed to examine in rats the effects of the Type II pyrethroid lambda-cyhalothrin on hepatic microsomal cytochrome P450 (CYP) isoform activities, oxidative stress markers, gene expression of proinflammatory, oxidative stress and apoptosis mediators, and CYP isoform gene expression and metabolism phase I enzyme PCR array analysis. Lambda-cyhalothrin, at oral doses of 1, 2, 4 and 8mg/kg bw for 6days, increased, in a dose-dependent manner, hepatic activities of ethoxyresorufin O-deethylase (CYP1A1), methoxyresorufin O-demethylase (CYP1A2), pentoxyresorufin O-depentylase (CYP2B1/2), testosterone 7α- (CYP2A1), 16β- (CYP2B1), and 6β-hydroxylase (CYP3A1/2), and lauric acid 11- and 12-hydroxylase (CYP4A1/2)...
August 1, 2018: Science of the Total Environment
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