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Drug induced liver disease

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https://www.readbyqxmd.com/read/28526132/old-and-novel-functions-of-caspase-2
#1
M A Miles, T Kitevska-Ilioski, C J Hawkins
Although caspase-2 is a highly conserved protease that has received a lot of research attention, consensus about its roles and the molecular mechanisms that underpin them has been elusive. Recent improvements to our understanding of the activities of caspase-2 have been facilitated by the development and refinement of techniques allowing identification of cellular processes instigated by this caspase. Following DNA damage, caspase-2 can be activated in a molecular complex called the "PIDDosome"; however, other stimuli provoke caspase-2-dependent activities that do not appear to involve this complex...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28524372/herbal-formula-baogan-yihao-bgyh-prevented-dimethylnitrosamine-dmn-induced-liver-injury-in-rats
#2
Xiujie Liu, Jing Su, Yu Shi, Ying Guo, Imran Suheryani, Shicong Zhao, Yulin Deng, Weiwei Meng, Yan Chen, Lili Sun, Rongji Dai
Preclinical Research Baogan Yihao (BGYH) is a traditional Chinese herbal medicine for the treatment of chronic liver diseases. In this study, the effects of BGYH on dimethylnitrosamine (DMN)-induced liver fibrosis were investigated using a rat model. BGYH alleviate liver damage, as indicated by decreased levels of AST, ALT, γ-GT, and AKP. BGYH also prevented collagen deposition and reduced pathological tissue injury in liver tissue. In fibrosis, high levels of α-SMA and TGF-β in liver tissue were markedly attenuated by BGYH...
May 19, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28507720/in-vivo-imaging-of-leucine-aminopeptidase-activity-in-drug-induced-liver-injury-and-liver-cancer-via-a-near-infrared-fluorescent-probe
#3
Xinyuan He, Lihong Li, Yu Fang, Wen Shi, Xiaohua Li, Huimin Ma
The liver, a main detoxification organ, has evolved a complex enzymatic system to respond to multiple pathological conditions, in which leucine aminopeptidase (LAP) has been reported to participate in detoxifying cisplatin in hepatoma cells and contribute to the intrinsic drug resistance. In vivo imaging of LAP activity in liver disease models is thus helpful to further understand the function of LAP in detoxification and medicine, but such an imaging approach is still lacking. Herein, we develop a selective and sensitive near-infrared fluorescent probe (HCAL) for this purpose...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28506368/human-immunodeficiency-virus-infection-antiretroviral-therapy-and-liver-pathology
#4
REVIEW
Mark W Sonderup, Helen Cecilia Wainwright
The improvement in antiretroviral therapy has significantly impacted the lives of people living with human immunodeficiency virus (HIV). In high-income countries, HIV deaths are predominated by liver disease consequent to viral hepatitis coinfection, alcohol, and nonalcoholic fatty liver disease. Published liver pathology findings have shifted from being predominated by opportunistic infections to the metabolic effects of HIV and antiretroviral therapy as well as drug-induced liver injuries. Differences remain between high-income and low-income countries, where opportunistic infections and immune reconstitution syndromes, dominate findings...
June 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28506365/drug-induced-liver-injury-the-hepatic-pathologist-s-approach
#5
REVIEW
David E Kleiner
The evaluation of liver biopsies in suspected drug-induced liver injury (DILI) can be complex. The biopsy may be approached systematically, by identification of histologic lesions and then identification of the overall pattern of injury. Potential DILI must be separated from concomitant non-DILI liver disease. The findings can be analyzed with respect to the various prescription and nonprescription medications and dietary supplements under suspicion to provide a complete interpretation of the findings. The pathologic findings, the histologic differential diagnosis, and expert interpretation are part of a complete biopsy assessment and provide information that is of greatest value in patient management...
June 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28504617/opportunities-and-challenges-in-the-wider-adoption-of-liver-and-interconnected-microphysiological-systems
#6
David J Hughes, Tomasz Kostrzewski, Emma L Sceats
Liver disease represents a growing global health burden. The development of in vitro liver models which allow the study of disease and the prediction of metabolism and drug-induced liver injury in humans remains a challenge. The maintenance of functional primary hepatocytes cultures, the parenchymal cell of the liver, has historically been difficult with dedifferentiation and the consequent loss of hepatic function limiting utility. The desire for longer term functional liver cultures sparked the development of numerous systems, including collagen sandwiches, spheroids, micropatterned co-cultures and liver microphysiological systems...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28502983/alkaline-phosphatase-a-novel-treatment-target-for-cardiovascular-disease-in-ckd
#7
REVIEW
Mathias Haarhaus, Vincent Brandenburg, Kamyar Kalantar-Zadeh, Peter Stenvinkel, Per Magnusson
Cardiovascular disease is the main cause of early death in the settings of chronic kidney disease (CKD), type 2 diabetes mellitus (T2DM), and ageing. Cardiovascular events can be caused by an imbalance between promoters and inhibitors of mineralization, which leads to vascular calcification. This process is akin to skeletal mineralization, which is carefully regulated and in which isozymes of alkaline phosphatase (ALP) have a crucial role. Four genes encode ALP isozymes in humans. Intestinal, placental and germ cell ALPs are tissue-specific, whereas the tissue-nonspecific isozyme of ALP (TNALP) is present in several tissues, including bone, liver and kidney...
May 15, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28494557/-clinicopathologic-features-of-drug-induced-vanishing-bile-duct-syndrome
#8
L H Ye, C K Wang, H C Zhang, Z Q Liu, H W Zheng
Vanishing bile duct syndrome (VBDS) manifests as progressive destruction and disappearance of the intrahepatic bile duct caused by various factors and cholestasis. VBDS associated with drug-induced liver injury (D-VBDS) is an important etiology of VBDS, and immune disorder or immune imbalance may be the main pathogenesis. According to its clinical symptoms, serological markers, and course of the disease, D-VBDS is classified into major form and minor form, and its clinical features are based on various pathomorphological findings...
April 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28482064/gut-liver-axis-and-sterile-signals-in-the-development-of-alcoholic-liver-disease
#9
Gyongyi Szabo, Jan Petrasek
Background: Innate immunity plays a critical role in the development of alcohol-induced liver inflammation. Understanding the inter-relationship of signals from within and outside of the liver that trigger liver inflammation is pivotal for development of novel therapeutic targets of alcoholic liver disease (ALD). Aim: The aim of this paper is to review recent advances in the field of alcohol-induced liver inflammation. Methods: A detailed literature review was performed using the PubMed database published between January 1980 and December 2016...
May 8, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28481357/tmbim1-is-a-multivesicular-body-regulator-that-protects-against-non-alcoholic-fatty-liver-disease-in-mice-and-monkeys-by-targeting-the-lysosomal-degradation-of-tlr4
#10
Guang-Nian Zhao, Peng Zhang, Jun Gong, Xiao-Jing Zhang, Pi-Xiao Wang, Miao Yin, Zhou Jiang, Li-Jun Shen, Yan-Xiao Ji, Jingjing Tong, Yutao Wang, Qiao-Fang Wei, Yong Wang, Xue-Yong Zhu, Xin Zhang, Jing Fang, Qingguo Xie, Zhi-Gang She, Zhihua Wang, Zan Huang, Hongliang Li
Non-alcoholic steatohepatitis (NASH) is an increasingly prevalent liver pathology that can progress from non-alcoholic fatty liver disease (NAFLD), and it is a leading cause of cirrhosis and hepatocellular carcinoma. There is currently no pharmacological therapy for NASH. Defective lysosome-mediated protein degradation is a key process that underlies steatohepatitis and a well-recognized drug target in a variety of diseases; however, whether it can serve as a therapeutic target for NAFLD and NASH remains unknown...
May 8, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28476903/endoscopic-nasobiliary-drainage-an-effective-treatment-option-for-benign-recurrent-intrahepatic-cholestasis-bric
#11
Ashok Choudhury, Anand V Kulkarni, Bishnupriya Sahoo, Chhagan Bihari
Benign recurrent intrahepatic cholestasis (BRIC) is characterised by recurrent episodes of jaundice, severe pruritus and low or normal serum γ-glutamyltransferase activity lasting from several weeks to months. BRIC is an autosomal recessive disorder caused by the mutation in either of the two hepatic transporter genes-ATP8B1 or ABCB11 gene. The disease is very well known for episodic flare of jaundice with cholestatic symptoms that are spontaneous or perpetuated by acute insults, followed by self-recovery...
May 5, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28476623/syringin-attenuates-insulin-resistance-via-adiponectin-mediated-suppression-of-low-grade-chronic-inflammation-and-er-stress-in-high-fat-diet-fed-mice
#12
Bobae Kim, Min-Seok Kim, Chang-Kee Hyun
In the treatment of type 2 diabetes, improvements in glucose control are often linked to side effects such as weight gain and altered lipid metabolism, increasing the risk of cardiovascular disease. It is therefore important to develop antidiabetic drugs that exert beneficial effects on insulin sensitivity and lipid metabolism at the same time. Here we demonstrate that syringin, a naturally occurring glucoside, improves glucose tolerance without increased weight gain in high-fat induced obese mice. Syringin augmented insulin-stimulated Akt phosphorylation in skeletal muscle, epididymal adipose tissue (EAT), and the liver, showing an insulin-sensitizing activity...
May 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28475921/pharmacokinetics-and-pharmacodynamics-of-rhubarb-anthraquinones-extract-in-normal-and-disease-rats
#13
Peijin Li, Qianfeng Lu, Wenjiao Jiang, Xue Pei, Yilin Sun, Haiping Hao, Kun Hao
BACKGROUND: Anthraquinones extract from Rheum palmatum L. (rhubarb) including rhein, emodin, aloe-emodin, chrysophanol, physcion and sennoside A, has been widely used in China to treat various diseases. OBJECTIVE: This study was designed to explore the pharmacokinetic and pharmacodynamic properties of rhubarb anthraquinones extract in diabetic nephropathy and acute liver injury rats. METHODS: The diabetic nephropathy and acute liver injury rats were induced by intraperitoneal injection with streptozotocin (STZ) and carbon tetrachloride (CCL4), respectively...
May 2, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28473245/the-development-and-use-of-a-drug-induced-immunosuppressed-rat-model-to-screen-phela-for-mechanism-of-immune-stimulation
#14
Makhotso Rose Lekhooa, Andrew Walubo, Jan B du Plessis, Motlalepula Gilbert Matsabisa
ETHNOPHARMACOLOGY RELEVANCY: Phela, is code name for a medicinal product made from four South African traditional medicinal plants (Clerodendrum glabrum E. Mey, Polianthes tuberosa (Linn.), Rotheca myricoides (Hochst.) Steane & Mabb. and Senna occidentalis (L.) Link). All these plants have established traditional use in a wide spectrum of diseases. It is under development for use as an immune booster in immunocompromised patients, which includes patients with the human immunodeficiency virus (HIV)...
May 1, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28471945/metabolic-concerns-in-aging-hiv-infected-persons-from-serum-lipid-phenotype-to-fatty-liver
#15
Giovanni Guaraldi, Amedeo Lonardo, Liliana Maia, Frank J Palella
: Among HIV-infected persons, the assessment of nonalcoholic fatty liver disease (NAFLD) provides a window through which overall metabolic health can be evaluated. In this review, we summarize clinical data that support the roles of aging and metabolic dysregulation as factors contributing to fatty liver/NAFLD among HIV-infected persons.Age-related metabolic alterations include hepatic anatomic and functional changes, altered homeostasis of gastrointestinal microbiota and anthropometric changes (such as a shift of body fat depots from the subcutaneous to the visceral compartment) that are often associated with the development of insulin resistance and increased cardiovascular risk...
June 1, 2017: AIDS
https://www.readbyqxmd.com/read/28470665/pentamidine-blocks-hepatotoxic-injury-in-mice
#16
Enpeng Zhao, Ghulam Ilyas, Francesca Cingolani, Jae Ho Choi, François Ravenelle, Kathryn E Tanaka, Mark J Czaja
Toxin-induced liver diseases lack effective therapies despite increased understanding of the role factors such as an overactive innate immune response play in the pathogenesis of this form of hepatic injury. Pentamidine is an effective antimicrobial agent against several human pathogens, but studies have also suggested that this drug inhibits inflammation. This potential anti-inflammatory mechanism of action, together with the development of a new oral form of pentamidine isethionate VLX103, led to investigations of the effectiveness of this drug in the prevention and treatment of hepatotoxic liver injury...
May 3, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28467181/pre-clinical-and-clinical-investigations-of-metabolic-zonation-in-liver-diseases-the-potential-of-microphysiology-systems
#17
Alejandro Soto-Gutierrez, Albert Gough, Lawrence A Vernetti, D L Taylor, Satdarshan P Monga
The establishment of metabolic zonation within a hepatic lobule ascribes specific functions to hepatocytes based on unique, location-dependent gene expression patterns. Recently, there have been significant developments in the field of metabolic liver zonation. A little over a decade ago, the role of β-catenin signaling was identified as a key regulator of gene expression and function in pericentral hepatocytes. Since then, additional molecules have been identified that regulate the pattern of Wnt/β-catenin signaling within a lobule and determine gene expression and function in other hepatic zones...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28457405/diaphragm-muscle-surface-electromyography-in-patients-submitted-to-liver-transplant-and-eligible-for-extubation
#18
R P Duarte, A C Sentanin, A M O da Silva, R M Tonella, G L Duarte, L S R Ratti, I F S F Boin
INTRODUCTION: Liver disease induces many organic and metabolic changes, leading to malnutrition and weight and muscular function loss. Surface electromyography is an easily applicable, noninvasive study, through which the magnitudes of the peaks on the charts depict voluntary muscle activity. AIM: To evaluate the diaphragmatic surface electromyography of postoperative liver transplantation subjects. METHODS: Subjects were patients who underwent liver transplantation and extubation in the Clinical Hospital of State University of Campinas...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28449367/metoprolol-pridopidine-drug-drug-interaction-and-food-effect-assessments-of-pridopidine-a-new-drug-for-treatment-of-huntington-disease
#19
Laura Rabinovich-Guilatt, Lilach Steiner, Hussein Hallak, Gina Pastino, Pierandrea Muglia, Ofer Spiegelstein
AIM: Pridopidine is an oral drug in clinical development for treatment of patients with Huntington disease. This study examined the interactions of pridopidine with in vitro cytochrome P450 activity and characterized the effects of pridopidine on CYP2D6 activity in healthy volunteers using metoprolol as a probe substrate. The effect of food on pridopidine exposure was assessed. METHODS: The ability of pridopidine to inhibit and/or induce in vitro activity of drug metabolising enzymes was examined in human liver microsomes and fresh hepatocytes...
April 27, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28448816/protective-effect-of-artemisinin-on-chronic-alcohol-induced-liver-damage-in-mice
#20
Xiaoyan Zhao, Liqing Wang, Hao Zhang, Duoduo Zhang, Zhihao Zhang, Jie Zhang
The liver disease related to chronic alcohol consumption is one of the leading causes of death for alcoholics. The efficient drug to ameliorate the alcoholic liver injury was needed urgently. The present study was performed to investigate whether artemisinin possessed the protective effect against chronic alcohol consumption. 50 male Kunming mice were divided into 5 groups: control group (C): 10ml/kg saline+10ml/kg saline, alcohol group (A): 10ml/kg 56%(v/v) alcohol+10ml/kg saline, low dose group of artemisinin (L): 10ml/kg 56%(v/v) alcohol+30mg/kg/day artemisinin, medium dose group of artemisinin (M): 10ml/kg 56%(v/v) alcohol+60mg/kg/day artemisinin, high dose group of artemisinin (H): 10ml/kg 56%(v/v) alcohol+120mg/kg/day artemisinin...
April 13, 2017: Environmental Toxicology and Pharmacology
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