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Hepatotoxicity

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https://www.readbyqxmd.com/read/29149926/drug-induced-gastrointestinal-and-hepatic-disease-associated-with-biologics-and-nonbiologic-disease-modifying-antirheumatic-drugs
#1
REVIEW
Patrick R Wood, Liron Caplan
A variety of gastrointestinal adverse drug reactions are seen in nearly all conventional antirheumatic medications, ranging from nausea to life-threatening drug-induced liver injury. Rheumatologists should be particularly familiar with hepatotoxicity associated with long-term methotrexate use, and the range of unique hepatic, biliary, and pancreatic manifestations associated with azathioprine. Hepatitis B virus reactivation is the most serious gastrointestinal disease risk associated with many biological therapies, particularly rituximab...
February 2018: Rheumatic Diseases Clinics of North America
https://www.readbyqxmd.com/read/29148292/cholestatic-liver-injury-as-a-side-effect-of-dabigatran-and-the-use-of-coagulation-tests-in-dabigatran-intoxication-and-after-reversal-by-idarucizumab-in-bleeding-and-sepsis
#2
Willemijn J Comuth, Anne-Mette Haase, Linda Ø Henriksen, Jerzy Malczynski, Daan van de Kerkhof, Anna-Marie B Münster
Idarucizumab, an antidote specific for dabigatran, became available recently. Dabigatran is not associated with increased risk of hepatotoxicity in comparison with warfarin, but it is seen as a rare side-effect. Cases of cholestatic liver injury due to dabigatran have not been reported previously. We present a case of severe gastro-intestinal bleeding with underlying dabigatran intoxication in a patient with renal failure and the effect of reversal of dabigatran using idaruzicumab on coagulation assays. International normalized ratio (INR) and activated partial thromboplastin time (APTT) results were elevated in a setting of sepsis, possibly due to liver failure...
November 17, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29148111/being-overweight-or-obese-as-a-risk-factor-for-acute-liver-injury-secondary-to-acute-acetaminophen-overdose
#3
Summon Chomchai, Chulathida Chomchai
PURPOSE: Increased incidences of hepatotoxicity have been observed in obese patients with acute acetaminophen overdose. We evaluate whether the status of being overweight or obese is associated with increase in the development of hepatotoxicity and acute liver injury (ALI) in patients with acute acetaminophen overdose. METHODS: This was a retrospective cohort study comparing the risk of hepatotoxicity and ALI between overweight or obese patients (body mass index [BMI] ≥ 25) and normal BMI patients (BMI ≤ 24...
November 17, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29146438/biomarkers-for-risk-assessment-in-paracetamol-hepatotoxicity
#4
William Bernal
No abstract text is available yet for this article.
November 13, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29145837/molecular-network-based-analysis-of-the-mechanism-of-liver-injury-induced-by-volatile-oils-from-artemisiae-argyi-folium
#5
Hongjie Liu, Sha Zhan, Yan Zhang, Yan Ma, Liang Chen, Lingxiu Chen, Hanqiu Dong, Min Ma, Zhe Zhang
BACKGROUND: Volatile oils from Artemisiae argyi folium (VOAAF) is reported with hepatotoxicity, but the underlying mechanism is still unclear. METHODS: In the present study this molecular mechanism was explored with the Ingenuity Pathway Analysis (IPA). The chemical components of the VOAAF were searched in the database, and their target proteins were all identified in the PubChem, while drug-induced liver injury (DILI) genes were searched in the PubMed gene databases...
November 16, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29143854/in-vitro-biotransformation-of-pyrrolizidine-alkaloids-in-different-species-part%C3%A2-i-microsomal-degradation
#6
Franziska Kolrep, Jorge Numata, Carsten Kneuer, Angelika Preiss-Weigert, Monika Lahrssen-Wiederholt, Dieter Schrenk, Anja These
Pyrrolizidine alkaloids (PA) are secondary metabolites of certain flowering plants. The ingestion of PAs may result in acute and chronic effects in man and livestock with hepatotoxicity, mutagenicity, and carcinogenicity being identified as predominant effects. Several hundred PAs sharing the diol pyrrolizidine as a core structure are formed by plants. Although many congeners may cause adverse effects, differences in the toxic potency have been detected in animal tests. It is generally accepted that PAs themselves are biologically and toxicologically inactive and require metabolic activation...
November 16, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/29143438/protective-effects-of-coenzyme-q10-nanoparticles-on-dichlorvos-induced-hepatotoxicity-and-mitochondrial-lysosomal-injury
#7
Aziz Eftekhari, Elham Ahmadian, Aida Azami, Mohammad Johari-Ahar, Mohammad Ali Eghbal
Development of biocompatible antioxidant nanoparticles for xenobiotic-induced liver disease treatment by oral or parenteral administration is of great interest in medicine. In the current study, we demonstrate the protective effects of coenzyme Q10 nanoparticles (CoQ10-NPs) on hepatotoxicity induced by dichlorvos (DDVP) as an organophosphate. Although CoQ10 is an efficient antioxidant, its poor bioavailability has limited the applications of this useful agent. First, CoQ10-NPs were prepared then characterized using dynamic light scattering (DLS) and transmission electron microscopy (TEM)...
November 16, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29142429/antioxidant-and-hepatoprotective-potential-of-swaras-and-hima-extracts-of-tinospora-cordifolia-and-boerhavia-diffusa-in-swiss-albino-mice
#8
Amit Kaushik, Athar Husain, Harshika Awasthi, Dewasya Pratap Singh, Raziuddin Khan, Dayanandan Mani
Background: In Ayurveda, five basic extraction procedures are mentioned in order of their decreasing potency. Swaras is considered as the most potent followed by, kalka, kwatha, fanta and hima. Objective: Present study was carried out to investigate the antioxidant and hepatoprotective potential of swaras and hima extracts of T.cordifolia and B. diffusa. Materials and Methods: Swaras and hima extracts of T. cordifolia and B. diffusa were prepared...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29141998/vanillic-acid-attenuates-obesity-via-activation-of-the-ampk-pathway-and-thermogenic-factors-in-vivo-and-in-vitro
#9
Yunu Jung, Jinbong Park, Hye-Lin Kim, Jung-Eun Sim, Dong-Hyun Youn, JongWook Kang, Seona Lim, Mi-Young Jeong, Woong Mo Yang, Seok-Geun Lee, Kwang Seok Ahn, Jae-Young Um
Energy expenditure is a target gaining recent interest for obesity treatment. The antiobesity effect of vanillic acid (VA), a well-known flavoring agent, was investigated in vivo and in vitro High-fat diet (HFD)-induced obese mice and genetically obese db/db mice showed significantly decreased body weights after VA administration. Two major adipogenic markers, peroxisome proliferator activated receptor γ (PPARγ) and CCAAT/enhancer-binding protein α (C/EBPα), were reduced while the key factor of energy metabolism, AMPKα, was increased in the white adipose tissue and liver tissue of VA-treated mice...
November 15, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29141157/the-devastating-effect-of-exposure-to-high-irradiation-dose-on-liver-and-the-performance-of-synthesized-nano-hap-in-relieve-the-associated-symptoms-in-rats
#10
Eman Ismail Gheriany, Sameh A Awwad
Ionizing radiation is one of the environmental factors that may contribute to liver dysfunction by a mechanism involving oxidative stress. The present investigation was undertaken to study the possible therapeutic effect of nano-HAp on whole body gamma irradiation induced hepatotoxicity in rats. The study consisted of three groups of 10 rats each. Group 1 (control), whereas group 2 received a single dose of γ-radiation (10Gy). The animals in groups 3 was treated with nano-HAp (100 mg/kg b.w.) once / week for three weeks starting in the next day of γ radiation...
November 15, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29138834/mechanism-of-free-radical-generation-in-platelets-and-primary-hepatocytes-a-novel-electron-spin-resonance-study
#11
Chiun-Lang Wang, Po-Sheng Yang, Jeng-Ting Tsao, Thanasekaran Jayakumar, Meng-Jiy Wang, Joen-Rong Sheu, Duen-Suey Chou
Oxygen free radicals have been implicated in the pathogenesis of toxic liver injury and are thought to be involved in cardiac dysfunction in the cirrhotic heart. Therefore, direct evidence for the electron spin resonance (ESR) detection of how D‑galactosamine (GalN), an established experimental hepatotoxic substance, induced free radicals formation in platelets and primary hepatocytes is presented in the present study. ESR results demonstrated that GalN induced hydroxyl radicals (OH•) in a resting human platelet suspension; however, radicals were not produced in a cell free Fenton reaction system...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29137408/incidence-and-risk-of-regorafenib-induced-hepatotoxicity
#12
Bin Zhao, Hong Zhao
Regorafenib, an oral multi-kinase inhibitor, has been approved for the treatments of several malignancies. Unlike traditional cytotoxic chemotherapeutic agents, regorafenib therapy often induces a distinct profile of adverse events (AEs) including hepatotoxicity. Here we conducted an up-to-date meta-analysis to assess the incidence and risk of regorafenib related hepatic toxicities. PubMed and Embase database were reviewed from inception to June 2017 for relevant trials. Eligible studies include subjects with solid tumors treated with 160 mg of regorafenib daily during the first three week of each four-week cycle, and adequate safety data reporting the elevation of aspartate transaminase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP) and bilirubin...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136249/natural-polyphenol-chlorogenic-acid-protects-against-acetaminophen-induced-hepatotoxicity-by-activating-erk-nrf2-antioxidative-pathway
#13
Mengjuan Wei, Zhiyong Zheng, Liang Shi, Yao Jin, Lili Ji
Hepatotoxicity due to acetaminophen (APAP) overdose is a leading cause of drug-induced acute liver failure in clinic. Chlorogenic acid (CGA), a dietary polyphenol, was reported to prevent APAP-induced liver injury in our previous studies. This study aims to investigate the protection provided by CGA against APAP-induced hepatotoxicity via focusing on nuclear factor erythroid 2-related factor 2 (Nrf2) and extracellular regulated protein kinases (ERK)1/2. CGA prevented APAP-induced oxidative liver injury and enhanced Nrf2 activation in mice and in hepatocytes in vitro...
November 10, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29135531/recurrent-subanesthetic-ketamine-infusions-for-complex-regional-pain-syndrome-leading-to-biliary-dilation-jaundice-and-cholangitis-a-case-report
#14
Nathan A Hewitt, Peter Cox
Complex regional pain syndrome is a chronic pain condition that may be resistant to many treatment modalities. Ketamine infusions have demonstrated some promising results, though their use may be associated with a number of adverse effects limiting their widespread applicability. Hepatotoxicity and cholangiopathy have been described in chronic ketamine abuse, though rarely in therapeutic use. We report the impact of recurrent short subanesthetic ketamine infusions for the treatment of complex regional pain syndrome resulting in biliary dilation, jaundice, and cholangitis...
November 9, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29132413/germacranolide-type-sesquiterpene-lactones-from-smallanthus-sonchifolius-with-promising-activity-against-leishmania-mexicana-and-trypanosoma-cruzi
#15
Jerónimo L Ulloa, Renata Spina, Agustina Casasco, Patricia B Petray, Virginia Martino, Miguel A Sosa, Fernanda M Frank, Liliana V Muschietti
BACKGROUND: Leishmaniasis and Chagas disease are life-threatening illnesses caused by the protozoan parasites Leishmania spp. and Trypanosoma cruzi, respectively. They are known as "neglected diseases" due to the lack of effective drug treatments and the scarcity of research work devoted to them. Therefore, the development of novel and effective drugs is an important and urgent need. Natural products are an important source of bioactive molecules for the development of new drugs. In this study, we evaluated the activity of enhydrin, uvedalin and polymatin B, three sesquiterpene lactones (STLs) isolated from Smallanthus sonchifolius, on Leishmania mexicana (MNYC/BZ/62/M) and Trypanosoma cruzi (Dm28c)...
November 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29129800/saikosaponin-d-mediated-downregulation-of-neurogenesis-results-in-cognitive-dysfunction-by-inhibiting-akt-foxg-1-pathwayin-mice
#16
Xu Lixing, Ji Zhouye, Guo Liting, Zhang Ruyi, Qu Rong, Ma Shiping
Saikosaponin-d (SSd), one of the main constituents of the total saikosaponins extracted from Bupleurum falcatum L, possesses anti-inflammatory and anti-apoptosis effect. Recently, SSd was proved to improve depressive symptoms although exhibit hepatotoxicity in animals, but the central nervous system (CNS) toxicity of SSd remains unclear. The present study investigated the SSd-induced impairment in hippocampal cognitive function and explored the possible mechanisms involved. After intragastric administration of SSd (4mg/kg, 8mg/kg) for 7 days, the learning and memory abilities of mice were evaluated by behavioral experiments...
November 9, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29129047/hepaprotective-effect-of-standardized-ecklonia-stolonifera-formulation-on-ccl%C3%A2-induced-liver-injury-in-sprague-dawley-rats
#17
Jae-Hyuk Byun, Jun Kim, Se-Young Choung
The liver is an essential organ for the detoxification of exogenous xenobiotics, drugs and toxic substances. The incidence rate of non-alcoholic liver injury increases due to dietary habit change and drug use increase. Our previous study demonstrated that Ecklonia stolonifera (ES) formulation has hepatoprotective effect against alcohol-induced liver injury in rat and tacrine-induced hepatotoxicity in HepG2 cells. This present study was designated to elucidate hepatoprotective effects of ES formulation against carbon tetrachloride (CCl₄)-induced liver injury in Sprague Dawley rat...
November 13, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29126990/a-proanthocyanidin-rich-extract-from-cassia-abbreviata-exhibits-antioxidant-and-hepatoprotective-activities-in-vivo
#18
Mansour Sobeh, Mona F Mahmoud, Mohamed A O Abdelfattah, Haroan Cheng, Assem M El-Shazly, Michael Wink
ETHNOPHARMACOLOGICAL RELEVANCE: Cassia abbreviata is a small to medium sized branched umbrella-shaped deciduous tree. It is widely spread in the tropics, especially in Africa, having a long history in traditional medicine for the treatment of numerous conditions such as headaches, diarrhea, constipation, some skin diseases, malaria, syphilis, pneumonia, stomach troubles, uterine pains, and against gonorrhea. AIM OF THE STUDY: We investigated the phytochemical constituents of a root extract from Cassia abbreviata using HPLC-PDA-ESI-MS/MS...
November 7, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29124333/assessment-of-hepatotoxicity-of-first-line-anti-tuberculosis-drugs-on-wistar-rats
#19
Radhika Sharma, Ramneek Kaur, Manishi Mukesh, Vijay L Sharma
Adverse drug reactions are inevitable risk factors associated with use of modern medicines. First-line anti-tuberculosis drugs contribute to diverse pathological complications, and hepatotoxicity is one of them. This study investigated the effects of anti-TB drugs in combination (rifampicin [RIF] + isoniazid [INH] + pyrazinamide [PZA]) on Wistar rats. Rats were grouped as control group (saline), toxicant group that was given (30.85 mg/kg b.wt., INH + 61.7 mg/kg b.wt., RIF + 132.65 mg/kg b.wt. PZA in dosage extrapolated from dose that is used in human)...
November 9, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29123480/impairment-of-mitochondrial-biogenesis-and-dynamics-involved-in-isoniazid-induced-apoptosis-of-hepg2-cells-was-alleviated-by-p38-mapk-pathway
#20
Tianguang Zhang, Takashi Ikejima, Lizhong Li, Ruiqin Wu, Xiaoyan Yuan, Jun Zhao, Yimei Wang, Shuangqing Peng
Isoniazid (INH), a widely used first-line antitubercular drug, has been noted to be associated with hepatotoxicity. In spite of extensive researches over many decades, the mechanism of INH-induced hepatotoxicity still remains poorly understood. Recently, mitochondrial toxicity has been emerging as a new paradigm for INH-induced hepatotoxicity. In this study, we showed that INH impaired mitochondrial biogenesis and dynamics in human hepatocarcinoma HepG2 cells. INH reduced mitochondrial membrane potential (MMP) and induced mitochondria swelling...
2017: Frontiers in Pharmacology
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