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Hepatotoxicity

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https://www.readbyqxmd.com/read/28724039/treatment-of-digital-ulcers-in-systemic-sclerosis-case-series-study-of-thirteen-patients-and-discussion-on-outcome
#1
Yahia Abuowda, Raquel Sousa Almeida, Ana Alves Oliveira, Petra Pego, Cristina Santos, João Matos-Costa
Introduction: In systemic sclerosis (SSc), digital ulcers (DU) are debilitating and recurrent. They are markers of prognosis and are associated with disability and mortality. Treatment strategies have been developed to block the proposed mechanisms of this complication. Objective: Clinical description of a population of SSc patients with DU, treatment, complications and outcome. Method: Analysis of 48 SSc patients meeting 2013 ACR-EULAR criteria, followed between 1999-2015; 13 patients had DU...
May 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28720289/transcriptomics-in-toxicology
#2
Pius Joseph
Xenobiotics, of which many are toxic, may enter the human body through multiple routes. Excessive human exposure to xenobiotics may exceed the body's capacity to defend against the xenobiotic-induced toxicity and result in potentially fatal adverse health effects. Prevention of the adverse health effects, potentially associated with human exposure to the xenobiotics, may be achieved by detecting the toxic effects at an early, reversible and, therefore, preventable stage. Additionally, an understanding of the molecular mechanisms underlying the toxicity may be helpful in preventing and/or managing the ensuing adverse health effects...
July 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28718698/pegging-down-risk-factors-for-peg-asparaginase-hepatotoxicity-in-patients-with-acute-lymphoblastic-leukemia-%C3%A2
#3
Caitlin R Rausch, Bernard L Marini, Lydia L Benitez, Allison Elias, Patrick W Burke, Dale Bixby, Anthony J Perissinotti
Asparaginase is commonly de-emphasized/omitted in adult acute lymphoblastic leukemia regimens due to poor tolerability, including hepatotoxicity (HTX). Adult patients (n = 100) given induction therapy containing pegylated asparaginase (PEG) from January 2008 to February 2016 were evaluated for HTX. Sixteen patients met criteria for HTX (direct bilirubin >3 g/dL). A multivariable model identified body surface area >2m(2) (OR 7.40; 95% CI: 1.73-31.61, p = .007), albumin <3 mg/dL (OR 4.62; 95% CI: 1...
July 18, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28718673/ameliorative-effect-of-gallic-acid-in-doxorubicin-induced-hepatotoxicity-in-wistar-rats-through-antioxidant-defense-system
#4
Temidayo Olutayo Omobowale, Ademola Adetokunbo Oyagbemi, Uchechukwu Enwiwe Ajufo, Olumuyima Abiola Adejumobi, Olufunke Eunice Ola-Davies, Adeolu Alex Adedapo, Momoh Audu Yakubu
Hepatotoxicity has been found to be one of the main side effects associated with doxorubicin (Dox) administration in cancer therapy. The aim of the present study was to examine the ameliorative effect of gallic acid (GA) in Dox-induced hepatotoxicity. Sixty male Wistar rats of 10 rats per group were used in this study and were randomly divided into 6 experimental groups (A-F). Rats in Group A served as the control group and received distilled water orally for 7 days; Group B was given Dox at 15 mg/kg body weight intraperitoneally (IP) on Day 8...
July 18, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28717885/risk-of-severe-acute-liver-injury-among-patients-with-brain-cancer-treated-with-temozolomide-a-nested-case-control-study-using-the-healthcore-integrated-research-database
#5
Vibha C A Desai, Scott C Quinlan, Anne C Deitz, Jinghua He, Crystal N Holick, Stephan Lanes
Temozolomide (TMZ) is used to treat adult patients with glioblastoma multiforme (GBM). Cases of hepatotoxicity have been reported among patients using TMZ. The objective of the study was to assess the relation, if any, between exposure to TMZ and serious acute liver injury (SALI). We used the HealthCore Integrated Research Database to perform a case-control study nested within a retrospective cohort of adult patients aged 18-100 years with at least two diagnoses of brain cancer anytime between 2006 and 2014...
July 17, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28717379/hepatoprotective-effect-of-citral-on-acetaminophen-induced-liver-toxicity-in-mice
#6
Nancy Sayuri Uchida, Saulo Euclides Silva-Filho, Gabriel Fernando Esteves Cardia, Edivaldo Cremer, Francielli Maria de Souza Silva-Comar, Expedito Leite Silva, Ciomar Aparecida Bersani-Amado, Roberto Kenji Nakamura Cuman
High doses of acetaminophen (APAP) lead to acute liver damage. In this study, we evaluated the effects of citral in a murine model of hepatotoxicity induced by APAP. The liver function markers alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and gamma-glutamyl transferase (γGT) were determined to evaluate the hepatoprotective effects of citral. The livers were used to determine myeloperoxidase (MPO) activity and nitric oxide (NO) production and in histological analysis...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28717109/utility-of-human-hepatocyte-spheroids-without-feeder-cells-for-evaluation-of-hepatotoxicity
#7
Takuo Ogihara, Hiroshi Arakawa, Tomoko Jomura, Yoko Idota, Satoshi Koyama, Kentaro Yano, Hajime Kojima
We investigated the utility of three-dimensionally cultured hepatocytes (spheroids) without feeder cells (Sph(f-)) for the prediction of drug-induced liver injury (DILI) in humans. Sph(f-) and spheroids cultured on feeder cells (Sph(f+)) were exposed to the hepatotoxic drugs flutamide, diclofenac, isoniazid and chlorpromazine at various concentrations for 14 days, and albumin secretion and cumulative leakages of toxicity marker enzymes, aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH) and γ-glutamyl transpeptidase (γ-GTP), were measured...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28717105/ephedrine-induced-mitophagy-via-oxidative-stress-in-human-hepatic-stellate-cells
#8
Ah Young Lee, Yoonjeong Jang, Seong-Ho Hong, Seung-Hee Chang, Sungjin Park, Sanghwa Kim, Kyung-Sun Kang, Ji-Eun Kim, Myung-Haing Cho
The herb Ephedra sinica (also known as Chinese ephedra or Ma Huang), used in traditional Chinese medicine, contains alkaloids identical to ephedrine and pseudoephedrine as its principal active constituents. Recent studies have reported that ephedrine has various side effects in the cardiovascular and nervous systems. In addition, herbal Ephedra, a plant containing many pharmacologically active alkaloids, principally ephedrine, has been reported to cause acute hepatitis. Many studies reported clinical cases, however, the cellular mechanism of liver toxicity by ephedrine remains unknown...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28717103/metabolomics-of-an-in-vitro-liver-model-containing-primary-hepatocytes-assembling-around-an-endothelial-cell-network-comparative-study-on-the-metabolic-stability-and-the-effect-of-acetaminophen-treatment
#9
Yu Toyoda, Kasumi Kashikura, Tomoyoshi Soga, Yoh-Ichi Tagawa
Recently, a novel culture system consisting of primary hepatocytes structured over a network of endothelial cells on the Engelbreth-Holm-Swarm (EHS) gel has been reported. This in vitro liver model on the EHS gel (IVLEHS) has been shown to maintain the expression of hepatic genes and their functional activity. Moreover, the IVLEHS was more sensitive to xenobiotics than hepatocyte monocultures, suggesting the potential utility of this culture system for compound hepatotoxicity screening. However, the effect of this three-dimensional structure formation on the cellular metabolic profile of hepatocytes in the IVLEHS is not well understood...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28716754/protective-effect-of-sargussum-vulgare-sulfated-polysaccharide-against-molecular-biochemical-and-histopathological-damage-caused-by-alloxan-in-experimental-diabetic-rats
#10
Rihab Ben Abdallah Kolsi, Intidhar Bkhairia, Lamia Gargouri, Naourez Ktari, Rim Chaaben, Abdelfattah El Feki, Moncef Nasri, Kamel Jamoussi, Lotfi Fki, Karima Belghith
Diabetes is a serious condition that is linked to the development of oxidative stress. In the context of enhancing the biodiversity of Tunisia's flora, this study aimed to evaluate the effect of Sargussum vulgare sulfated polysaccharide (SVSP) on hyperglycemia and diabetes complications in the alloxan-induced diabetic rats. Our results showed a disturbance of carbohydrate, lipid, haematological and histopathological parameters, an increase in the α-amylase enzyme activity and damage to the pancreatic, hepatic and renal tissues in rats rendered diabetic by alloxan...
July 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28714885/differences-in-genetic-background-contribute-to-pseudomonas-exotoxin-a-induced-hepatotoxicity-in-rats
#11
Chien-Chao Chiu, Yu-Chih Wang, Wen-Ching Huang, Yi-Hsun Chen, Shao-Wen Hung, Yen-Te Huang, Hsiao-Li Chuang, Yi-Chih Chang
Pseudomonas aeruginosa exotoxin A (PEA) causes severe hepatotoxicity in experimental animals and is useful in investigations of immune-mediated liver injury. However, strain differences in the sensitivity to PEA-induced hepatotoxicity in rats remains be elucidated. In this study, we determined the severity of PEA-induced hepatotoxicity in six genetically different rat strains. Male LE (Long Evans), Wistar, F344, WKY, BN/SsN and LEW rats were administered a single intravenous injection of PEA (20 μg/kg). Significantly elevated serum ALT and AST levels, massive necrosis and hemorrhage, and numerous TUNEL-positive hepatocytes were observed in BN/SsN rats...
July 15, 2017: Toxins
https://www.readbyqxmd.com/read/28714419/design-of-multi-target-agents-for-the-treatment-of-alzheimer-s-disease-based-on-tacrine
#12
Hongzhi Lin, Qi Li, Kai Gu, Jie Zhu, Xueyang Jiang, Yao Chen, Haopeng Sun
Alzheimer's disease (AD) is one of the most common forms of dementia in elderly people. To date, efficacious therapeutic agent for the treatment of AD is still very limited, so it has long been a challenging and attractive task to discover new anti-AD drugs. Considering the multifactorial nature of AD, recently, the concept of multi-target-directed ligands (MTDLs) has emerged as a new strategy for designing therapeutic agents on AD. MTDLs are believed to exert their effects through simultaneously affecting multiple targets which contribute to etiology of AD...
July 17, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28714083/acute-liver-failure-with-amiodarone-infusion-a-case-report-and-systematic-review
#13
P Jaiswal, B M Attar, J E Yap, K Devani, R Jaiswal, Y Wang, R Szynkarek, D Patel, M Demetria
WHAT IS KNOWN AND OBJECTIVE: Amiodarone, a commonly used class III antiarrhythmic agent notable for a relatively long half-life of up to 6 months and its pronounced adverse effect profile, is used for both acute and chronic management of cardiac arrhythmias. Chronic use of amiodarone has been associated with asymptomatic hepatotoxicity; however, acute toxicity is thought to be uncommon. There are only six reported cases of acute liver failure (ALF) secondary to amiodarone. In all these cases the outcome of death during the same hospitalization resulted...
July 16, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28713372/nanoparticle-formulated-curcumin-prevents-posttherapeutic-disease-reactivation-and-reinfection-with-mycobacterium-tuberculosis-following-isoniazid-therapy
#14
Sultan Tousif, Dhiraj Kumar Singh, Sitabja Mukherjee, Shaheer Ahmad, Rakesh Arya, Ranjan Nanda, Anand Ranganathan, Maitree Bhattacharyya, Luc Van Kaer, Santosh K Kar, Gobardhan Das
Curcumin, the bioactive component of turmeric also known as "Indian Yellow Gold," exhibits therapeutic efficacy against several chronic inflammatory and infectious diseases. Even though considered as a wonder drug pertaining to a myriad of reported benefits, the translational potential of curcumin is limited by its low systemic bioavailability due to its poor intestinal absorption, rapid metabolism, and rapid systemic elimination. Therefore, the translational potential of this compound is specifically challenged by bioavailability issues, and several laboratories are making efforts to improve its bioavailability...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28710607/evaluation-of-a-food-and-drug-administration-mandate-to-limit-acetaminophen-in-prescription-combination-products
#15
David Goldberger, David Vearrier
INTRODUCTION: In 2014, the US Food and Drug Administration limited the production of prescription acetaminophen-opioid combination products to 325 mg per dose unit. The goal of this mandate was to decrease the likelihood of unintentional acetaminophen hepatotoxicity. This study was designed to determine if this federal regulation has succeeded in reducing unintentional acetaminophen-induced hepatotoxicity from opioid combination products. METHODS: Using data from the National Poison Data System (NPDS), we analyzed all calls to US Poison Control Centers in the years 2013 and 2015 for acetaminophen-opioid combination product exposures...
July 14, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/28709569/selected-active-naturals-for-atopic-dermatitis-atopic-dermatitis-part-1
#16
Nanette B Silverberg
The desire for naturally derived agents is a growing trend for patients, physicians, and pharmaceutical companies. Studies indicate that complementary and alternative medicine is often used by patients and parents of children with atopic dermatitis, not necessarily with beneficial results. A half-dozen natural agents (ie, topical agents: coconut oil, colloidal oatmeal, sunflower oil, mustard oil, glycerin, and oral Chinese herbal therapy) are discussed because they have become popular for their expected activity in the therapy of atopic dermatitis...
July 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28706746/acute-pancreatitis-and-rhabdomyolysis-with-acute-kidney-injury-following-multiple-wasp-stings
#17
Seo Hee Yang, Yeon Han Song, Tae Hoon Kim, Su Bin Kim, Sang Youb Han, Han-Seong Kim, Se Won Oh
Multiple wasp stings can induce multiple organ dysfunction by toxic reactions. However, acute pancreatitis is a rare manifestation in wasp sting injury. A 74-year-old woman visited the emergency department by anaphylactic shock because of multiple wasp stings. Acute kidney injury, rhabdomyolysis, hepatotoxicity, and coagulopathy were developed next day. Serum amylase and lipase were elevated and an abdominal computed tomography revealed an acute pancreatitis. Urine output was recovered after 16 days of oliguria (below 500 ml/day)...
2017: Case Reports in Nephrology
https://www.readbyqxmd.com/read/28704613/-e-2-benzylidene-4-phenyl-1-3-diselenole-an-antioxidant-compound-protects-rats-against-thioacetamide-induced-acute-hepatotoxicity
#18
Angélica S Reis, Mikaela Pinz, Cristiani F Bortolatto, Cristiano Ricardo Jesse, Lucielli Savegnago, Silvane Souza Roman, Cristiane Luchese, Ethel A Wilhelm
The aim of this study was to investigate whether (E)-2-benzylidene-4-phenyl-1,3-diselenole (BPD) protects against hepatotoxicity induced by thioacetamide (TAA). On the first day of treatment, the animals received BPD (10 or 50 mg/kg). On the second day, the rats received a single intraperitoneal injection of TAA (400 mg/kg). Twenty-four hours after TAA administration, biochemical determinations and liver histological analysis were carried out. BPD (50 mg/kg) reduced plasma aspartate and alanine aminotransferases, alkaline phosphatase and lactate dehydrogenase activities increased by TAA exposure...
July 13, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28702943/screening-and-identification-of-metabolites-of-two-kinds-of-main-active-ingredients-and-hepatotoxic-pyrrolizidine-alkaloids-hpas-in-rat-after-lavage-farfarae-flos-extract-by-uhplc-q-tof-ms-mass-spectrometry
#19
Xiaoye Cheng, Man Liao, Xinpeng Diao, Yupeng Sun, Lantong Zhang
Farfarae Flos, the dried flower buds of Tussilago farfara L., is usually used to treat coughs, bronchitic and asthmatic conditions as an important traditional Chinese medicine. Tussilagone and methl butyric acid tussilagin ester are seen as representatives of two kinds of active substances. Besides, the pyrrolizidine alkaloids (HPAs), mainly senkirkine and senecionine, presented in the herb can be hepatoxic. In this study, a rapid and sensitive ultra high performance liquid chromatography coupled with hybrid triple quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF-MS/MS) method is successfully applied to identify the metabolites of tussilagone, methl butyric acid tussilagin ester , senkirkine and senecionine...
July 12, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28702139/ramipril-associated-cholestasis-in-the-setting-of-recurrent-drug-induced-liver-injury
#20
David Forner, Tasha Kulai, Thomas Arnason, Steven E Gruchy, Magnus MacLeod
Aim: Angiotensin-converting enzyme inhibitors (ACEIs) are commonly used to treat hypertension. Although generally well tolerated, the adverse effects of ACEIs include hypotension, cough, acute kidney injury and hyperkalemia. Rare reports of ACEI-induced hepatotoxicity have been described, most notably a cholestatic pattern of injury related to captopril. A 67-year-old male presented to the emergency department with a three-week history of jaundice, pruritis and weakness. Eight weeks before, he began taking ramipril and clopidogrel...
2017: Gastroenterology and Hepatology From Bed to Bench
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