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Drug induced liver disease

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https://www.readbyqxmd.com/read/29457989/propylthiouracil-induced-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-mimicking-kawasaki-disease
#1
Yoshihiro Aoki, Katsuhiko Kitazawa, Hironobu Kobayashi
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is rare in children and is characterised as necrotising vasculitis predominantly affecting small and medium-sized vessels. Propylthiouracil (PTU), an antithyroid drug, has been implicated in drug-induced AAV. In contrast, Kawasaki disease (KD) is a common systemic vasculitis, typically observed in children, which affects the medium-sized vessels, including the coronary arteries. An 11-year-old girl who developed AAV while receiving PTU therapy for Graves' disease is described...
February 19, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29451352/chronic-exposure-of-mice-to-low-doses-of-imazalil-induces-hepatotoxicity-at-the-physiological-biochemical-and-transcriptomic-levels
#2
Cuiyuan Jin, Ting Luo, Zhengwei Fu, Yuanxiang Jin
Imazalil (IMZ), which is a widely used fungicide, can accumulate in the body and threaten an animal's health. However, this fungicide has adverse effects on aquatic organisms and ultimately affects human health when it leaches into the environment. Our research tried to determine that if IMZ might cause liver damage and its potential to cause-related diseases. In this study, male adult C57BL/6 mice were exposed to 0.1, 0.5, or 2.5 mg/kg body weight IMZ in drinking water for 15 weeks. Then, we evaluated the liver damage at the physiological, biochemical, and transcriptome levels in mice after chronic IMZ exposure...
February 16, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29449830/screening-for-ppar-non-agonist-ligands-followed-by-characterization-of-a-hit-am-879-with-additional-no-adipogenic-and-cdk5-mediated-phosphorylation-inhibition-properties
#3
Helder Veras Ribeiro Filho, Natália Bernardi Videira, Aline Villanova Bridi, Thais Helena Tittanegro, Fernanda Aparecida Helena Batista, José Geraldo de Carvalho Pereira, Paulo Sérgio Lopes de Oliveira, Marcio Chaim Bajgelman, Albane Le Maire, Ana Carolina Migliorini Figueira
Peroxisome proliferator-activated receptor gamma (PPARγ) is a member of a nuclear receptor superfamily and acts as a ligand-dependent transcription factor, playing key roles in maintenance of adipose tissue and in regulation of glucose and lipid homeostasis. This receptor is the target of thiazolidinediones, a class of antidiabetic drugs, which improve insulin sensitization and regulate glycemia in type 2 diabetes. Despite the beneficial effects of drugs, such as rosiglitazone and pioglitazone, their use is associated with several side effects, including weight gain, heart failure, and liver disease, since these drugs induce full activation of the receptor...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29443401/pediatric-intestinal-failure-associated-liver-disease-challenges-in-identifying-clinically-relevant-biomarkers
#4
Kathleen M Gura, Andrew E Mulberg, Paul D Mitchell, John Yap, Clara Y Kim, Minjun Chen, Alexis Potemkin, Mark Puder
BACKGROUND: Intestinal failure-associated liver disease (IFALD) is complex and diagnosed by concurrent use of parenteral nutrition, clinical presentation, and alterations in hepatic biomarkers exclusive of other causes of liver disease. In comparison with individual measures, composite biomarkers may provide a more effective means for assessing disease progression and response to treatment than single parameters. Since IFALD is considered by some to be a type of drug-induced liver injury (DILI), those diagnostic criteria could potentially be used in this population...
February 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29438557/is-drug-induced-hepatitis-related-to-the-severity-of-tuberculous-meningitis
#5
Mritunjai Kumar, Jayantee Kalita, Abhilasha Tripathi, Usha K Misra
Background: Drug-induced hepatitis (DIH) occurs more commonly in tuberculous meningitis (TBM) than non-CNS tuberculosis. We evaluate DIH in TBM and its relationship with disease severity and surrogate markers of stress. Methods: Sixty-seven patients with TBM were included prospectively. The diagnosis of DIH was based on five times elevation of alanine amino transferase (ALT) in asymptomatic and three times in symptomatic patients, serum bilirubin 1.5 mg/dL or more occurring after 3 days of antitubercular drugs without any other cause of liver dysfunction; and improvement in liver function upon drug withdrawal...
February 9, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29433194/uplc-qtof-ms-profiling-of-two-psidium-species-and-the-in-vivo-hepatoprotective-activity-of-their-nano-formulated-liposomes
#6
Fatema R Saber, Ghada A Abdelbary, Maha M Salama, Dalia O Saleh, Magda M Fathy, Fathy M Soliman
Liver diseases are major health problem in Egypt influencing lifestyle and economy. The demand for nutraceutical hepatoprotective agents is crucial to ameliorate the side effects of synthetic drugs. The present study aims to evaluate antioxidant and hepatoprotective activities of extracts of Psidium guajava L. and Psidium cattleianum Sabine leaves and their nano-formulated liposomes against paracetamol-induced liver damage in rats. Secondary metabolites profile of P. guajava and P. cattleianum leaves was investigated using UPLC-PDA-ESI-qTOF-MSn...
March 2018: Food Research International
https://www.readbyqxmd.com/read/29431403/mildly-elevated-liver-transaminase-levels-causes-and-evaluation
#7
Robert C Oh, Thomas R Hustead, Syed M Ali, Matthew W Pantsari
Mild, asymptomatic elevations (less than five times the upper limit of normal) of alanine transaminase and aspartate transaminase levels are common in primary care. It is estimated that approximately 10% of the U.S. population has elevated transaminase levels. An approach based on the prevalence of diseases that cause asymptomatic transaminase elevations can help clinicians efficiently identify common and serious liver disease. The most common causes of elevated transaminase levels are nonalcoholic fatty liver disease and alcoholic liver disease...
December 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/29428670/protective-effects-of-punica-granatum-pomegranate-peel-extract-on-concanavalin-a-induced-autoimmune-hepatitis-in-mice
#8
Tingting Wang, Ruoting Men, Mingxing Hu, Xiaoli Fan, Xiaoxue Yang, Xiaojun Huang, Tinghong Ye, Li Yang
Autoimmune hepatitis (AIH) is a chronic inflammatory liver disease of an unknown etiology, glucocorticoid therapy is currently recognized as an effective treatment for AIH, but conventional application and patient compliance are both hindered by its side effects. The exploration of the AIH pathogenesis and the searching for the new candidate drugs that exert potential activity and low toxicity are urgently needed. Pomegranate peel extract (PoPx) is a natural extract of Punica granatum and has been reported to have anti-inflammatory and antioxidative properties...
February 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29425659/seabuckthorn-berry-polysaccharide-extracts-protect-against-acetaminophen-induced-hepatotoxicity-in-mice-via-activating-the-nrf-2-ho-1-sod-2-signaling-pathway
#9
Xue Wang, Jingran Liu, Xiaohui Zhang, Shimin Zhao, Kai Zou, Jiming Xie, Xinxu Wang, Chunyan Liu, Jinling Wang, Yuzhen Wang
BACKGROUND: Oxidative stress is concomitant with acetaminophen (APAP)-induced hepatotoxicity, which has been highlighted as therapeutic targets for such diseases. The berries of Seabuckthorn (Hippophae rhamnoides L.) have been traditionally used in Tibetan medicine for thousands of years. The effect of Seabuckthorn berry polysaccharide on drug- induced liver injury (DILI) has not yet been elucidated. PURPOSE: This study aims to investigate the protective effects and mechanisms of Seabuckthorn polysaccharide (SP) against APAP-induced hepatotoxicity...
January 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29420067/organic-solute-transporter-ost%C3%AE-%C3%A3-is-over-expressed-in-nonalcoholic-steatohepatitis-and-modulated-by-drugs-associated-with-liver-injury
#10
Melina Miia Malinen, Izna Ali, Jacqueline Bezençon, James John Beaudoin, Kim L R Brouwer
The heteromeric steroid transporter, organic solute transporter alpha/beta (OSTα/β; SLC51), was discovered over a decade ago, but its physiological significance in the liver is still uncertain. A major challenge has been the lack of suitable models expressing OSTα/β. Based on observations first reported herein that hepatic OSTα/β is upregulated in nonalcoholic steatohepatitis (NASH), the aim of this research was to develop an in vitro model to evaluate OSTα/β function and interaction with drugs and bile acids...
February 8, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29416637/liver-x-receptors-agonist-promotes-differentiation-of-rat-bone-marrow-derived-mesenchymal-stem-cells-into-dopaminergic-neuron-like-cells
#11
Oumei Cheng, Xiaoyan Tian, Ying Luo, Shaoshan Mai, Yang Yang, Shengnan Kuang, Qi Chen, Jie Ma, Beibei Chen, Rong Li, Lu Yang, Huan Li, Congli Hu, Jiahua Zhang, Zhihao Chen, Yuke Li, Hui Xia, Ying Xu, Junqing Yang
Dopaminergic (DA) neurons derived from bone marrow derived mesenchymal stem cells (BMSCs) maybe a valuable source for cell replacement therapy in Parkinson disease. Recent studies showed that new functions of LXR and their ligands have been proposed to prevent PD in the adult nervous system. The present study was designed to observe the effect of liver X receptors (LXR) agonist on differentiation of rat BMSCs into DA neurons. Expressions of the neuronal markers (Tuj1 and Nestin), the specific marker of DA neurons (tyrosine hydroxylase, TH), LXR α and LXR β were measured by immunocytochemical assay and TH/Tuj1 positive cells were determined by quantitative cell count analyses...
January 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29412455/hypocholesterolemic-effects-of-kenaf-seed-oil-macroemulsion-and-nanoemulsion-in-high-cholesterol-diet-induced-rats
#12
Ai Mun Cheong, Jue Xi Jessica Koh, Nwabueze Okechukwu Patrick, Chin Ping Tan, Kar Lin Nyam
This study aimed to evaluate the effect of kenaf seed oil (KSO), kenaf seed oil-in-water macroemulsion (KSOM), kenaf seed oil-in-water nanoemulsions (KSON), and emulsifier mixtures (EM) on serum lipid profile, liver oxidative status, and histopathological changes in high-cholesterol fed rats. Stability and characteristic of KSOM and KSON were carried out prior to in vivo study. Forty-two Sprague-Dawley rats were divided into 7 groups (6 rats each) and induced hypercholesterolemia by feeding high cholesterol diet (HCD) for 14 days prior to treatments...
February 7, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29404958/peripheral-and-central-effects-of-memantine-in-a-mixed-preclinical-mice-model-of-obesity-and-familial-alzheimer-s-disease
#13
Miren Ettcheto, Elena Sánchez-López, Yaiza Gómez-Mínguez, Henrry Cabrera, Oriol Busquets, Carlos Beas-Zarate, Maria Luisa García, Eva Carro, Gemma Casadesus, Carme Auladell, Manuel Vázquez Carrera, Jaume Folch, Antoni Camins
There is growing evidence that obesity associated with type 2 diabetes mellitus (T2DM) and aging are risk factors for the development of Alzheimer's disease (AD). However, the molecular mechanisms through which obesity interacts with β-amyloid (Aβ) to promote cognitive decline remains poorly understood. Memantine (MEM), a N-methyl-D-aspartate receptor antagonist, is currently used for the treatment of AD. Nonetheless, few studies have reported its effects on genetic preclinical models of this neurodegenerative disease exacerbated with high-fat diet (HFD)-induced obesity...
February 5, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29404521/drug-idiosyncrasy-due-to-pirfenidone-presenting-as-acute-liver-failure-case-report-and-mini-review-of-the-literature
#14
REVIEW
Nipun Verma, Pramod Kumar, Suvradeep Mitra, Sunil Taneja, Sahajal Dhooria, Ashim Das, Ajay Duseja, Radha Krishan Dhiman, Yogesh Chawla
Idiosyncratic drug-induced liver injury (DILI) is ranked among the top most common etiologies of acute liver failure (ALF). It carries poor transplant-free survival. Pirfenidone is an anti-inflammatory and antifibrotic drug that is commonly used for the treatment of idiopathic pulmonary fibrosis (IPF). Hepatotoxicity due to pirfenidone is rare and generally manifests as a mild rise in serum aminotransferases. In this mini-review, we report an unusual case of idiosyncratic DILI due to pirfenidone presenting as ALF, with emphasis on the definition, classification, diagnostic criteria, histopathology, molecular markers, and treatment options for DILI and related ALF...
February 2018: Hepatology communications
https://www.readbyqxmd.com/read/29404460/atovaquone-proguanil-induced-autoimmune-like-hepatitis
#15
Benedetta Terziroli Beretta-Piccoli, Giorgina Mieli-Vergani, Raffaela Bertoli, Luca Mazzucchelli, Charity Nofziger, Markus Paulmichl, Diego Vergani
We report a novel association between the commonly used antimalarial medication atovaquone/proguanil and drug-induced autoimmune-like hepatitis. The patient developed severe liver disease fulfilling biochemical, immunologic, and histologic criteria for the diagnosis of autoimmune hepatitis after the inadvertent rechallenge with the offending drug, which had caused self-limited hepatitic symptoms a year previously. Over a period of 18 months, the patient underwent two follow-up liver biopsies showing progressive resolution of the liver inflammation and achieved complete biochemical and immunologic remission on steroids...
June 2017: Hepatology Communications
https://www.readbyqxmd.com/read/29403081/hepatotoxicity-of-immune-checkpoint-inhibitors-a-histology-study-of-seven-cases-in-comparison-with-autoimmune-hepatitis-and-idiosyncratic-drug-induced-liver-injury
#16
Yoh Zen, Matthew M Yeh
The adverse effects of immune checkpoint inhibitors in various organs may be attributed to immune-mediated processes triggered by disrupted self-tolerance; however, it remains unclear whether they are similar or dissimilar to classic organ-specific autoimmune diseases. The present study aimed to compare clinicopathologic features between checkpoint inhibitor-induced liver injury and acutely presenting autoimmune hepatitis or idiosyncratic drug-induced liver injury. Seven patients treated with nivolumab (n = 5) or ipilimumab (n = 2) presented with liver dysfunction a median of 41 days (range 21-120) after the initiation of immunotherapy...
February 5, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29402273/in-vitro-assessment-of-nutraceutical-compounds-and-novel-nutraceutical-formulations-in-a-liver-steatosis-based-model
#17
Antonietta Stellavato, Anna Virginia Adriana Pirozzi, Francesca de Novellis, Ilaria Scognamiglio, Valentina Vassallo, Andrea Maria Giori, Mario De Rosa, Chiara Schiraldi
BACKGROUND: Steatosis is a chronic liver disease that depends on the accumulation of intracellular fatty acids. Currently, no drug treatment has been licensed for steatosis; thus, only nutritional guidelines are indicated to reduce its progression. The aim of this study is to combine different nutraceutical compounds in order to evaluate their synergistic effects on a steatosis in vitro model compared to their separate use. In particular, three different formulations based on silymarin, curcumin, vitamin E, docosahexaenoic acid (DHA), choline, and phosphatidylcholine were assayed...
February 5, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29382127/the-implication-of-the-brain-insulin-receptor-in-late-onset-alzheimer-s-disease-dementia
#18
REVIEW
Jaume Folch, Miren Ettcheto, Oriol Busquets, Elena Sánchez-López, Rubén D Castro-Torres, Ester Verdaguer, Patricia R Manzine, Saghar Rabiei Poor, María Luisa García, Jordi Olloquequi, Carlos Beas-Zarate, Carme Auladell, Antoni Camins
Alzheimer's disease (AD) is progressive neurodegenerative disorder characterized by brain accumulation of the amyloid β peptide (Aβ), which form senile plaques, neurofibrillary tangles (NFT) and, eventually, neurodegeneration and cognitive impairment. Interestingly, epidemiological studies have described a relationship between type 2 diabetes mellitus (T2DM) and this pathology, being one of the risk factors for the development of AD pathogenesis. Information as it is, it would point out that, impairment in insulin signalling and glucose metabolism, in central as well as peripheral systems, would be one of the reasons for the cognitive decline...
January 29, 2018: Pharmaceuticals
https://www.readbyqxmd.com/read/29379855/a-cell-culture-platform-to-maintain-long-term-phenotype-of%C3%A2-primary-human-hepatocytes-and-endothelial-cells
#19
Brenton R Ware, Mitchell J Durham, Chase P Monckton, Salman R Khetani
Background and Aims: Modeling interactions between primary human hepatocytes (PHHs) and primary human liver sinusoidal endothelial cells (LSECs) in vitro can help elucidate human-specific mechanisms underlying liver physiology/disease and drug responses; however, existing hepatocyte/endothelial coculture models are suboptimal because of their use of rodent cells, cancerous cell lines, and/or nonliver endothelial cells. Hence, we sought to develop a platform that could maintain the long-term phenotype of PHHs and primary human LSECs...
March 2018: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29375205/int-767-improves-histopathological-features-in-a-diet-induced-ob-ob-mouse-model-of-biopsy-confirmed-non-alcoholic-steatohepatitis
#20
Jonathan D Roth, Michael Feigh, Sanne S Veidal, Louise Kd Fensholdt, Kristoffer T Rigbolt, Henrik H Hansen, Li C Chen, Mathieu Petitjean, Weslyn Friley, Niels Vrang, Jacob Jelsing, Mark Young
AIM: To characterize the efficacy of the dual FXR/TGR5 receptor agonist INT-767 upon histological endpoints in a rodent model of diet-induced and biopsy-confirmed non-alcoholic steatohepatitis (NASH). METHODS: The effects of INT-767 on histological features of NASH were assessed in two studies using Lepob/ob (ob/ob) NASH mice fed the AMLN diet (high fat with trans-fat, cholesterol and fructose). In a proof-of-concept study, Lepob/ob (ob/ob) NASH mice were first dosed with INT-767 (3 or 10 mg/kg for 8 wk)...
January 14, 2018: World Journal of Gastroenterology: WJG
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