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chronic hepatitis e

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https://www.readbyqxmd.com/read/28107775/beta-caryophyllene-protects-against-alcoholic-steatohepatitis-by-attenuating-inflammation-and-metabolic-dysregulation-in-mice
#1
Zoltan V Varga, Csaba Matyas, Katalin Erdelyi, Resat Cinar, Daniela Nieri, Andrea Chicca, Balazs Tamas Nemeth, Janos Paloczi, Tamas Lajtos, Lukas Corey, Gyorgy Hasko, Bin Gao, George Kunos, Jürg Gertsch, Pal Pacher
BACKGROUND AND AIMS: Beta-caryophyllene (BCP) is a plant-derived FDA approved food additive with anti-inflammatory properties. Some of its beneficial effects in vivo reported to involve activation of cannabinoid 2 receptors (CB2) that are predominantly expressed in immune cells. Herein, we evaluated the translational potential of BCP using a well-established model of chronic and binge alcohol-induced liver injury. METHODS: In this study we investigated the effects of BCP on liver injury induced by chronic plus binge alcohol feeding in mice in vivo by using biochemical assays, real-time PCR and histology analyses...
January 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28107601/predictors-of-liver-histological-changes-and-a-sustained-response-to-peginterferon-among-chronic-hepatitis-b-e-antigen-positive-patients-with-normal-or-minimally-elevated-alanine-aminotransferase-levels
#2
Jie Chen, Cheng-Run Xu, Min Xi, Wei-Wei Hu, Zheng-Hao Tang, Guo-Qing Zhang
BACKGROUND: A proportion of chronic hepatitis B (CHB) patients with normal or only minimally elevated ALT levels display significant histologic changes, and would benefit from antiviral therapy. OBJECTIVES: We aim to evaluate the histologic abnormalities seen in these patients, and then determine which of them would most likely respond to peginterferon therapy. METHODS: One hundred and thirteen hepatitis B e antigen (HBeAg)-positive patients with a normal or minimally elevated ALT level and moderate to severe histologic changes in their liver tissue were selected to receive peginterferon monotherapy and participate in a followup analysis...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107585/treatment-and-primary-prevention-in-people-who-inject-drugs-for-chronic-hepatitis-c-infection-is-elimination-possible-in-a-high-prevalence-setting
#3
I Gountas, V Sypsa, O Anagnostou, N K Martin, P Vickerman, E Kafetzopoulos, A Hatzakis
AIMS: To project the impact of scaling up oral antiviral therapy and harm reduction on chronic hepatitis C (CHC) prevalence and incidence among people who inject drugs (PWID) in Greece, to estimate the relationship between required treatment levels and expansion of harm reduction programs to achieve specific targets and to examine whether hepatitis C viruse (HCV) elimination among PWID is possible in this high prevalence setting. DESIGN: A dynamic discrete time, stochastic individual-based model was developed to simulate HCV transmission among PWID incorporating the effect of HCV treatment and harm reduction strategies, and allowing for reinfection following treatment...
January 20, 2017: Addiction
https://www.readbyqxmd.com/read/28106531/preclinical-characterization-of-the-novel-hcv-ns3-protease-inhibitor-gs-9256
#4
Huiling Yang, Chris Yang, Yujin Wang, Gerry Rhodes, Margaret Robinson, Guofeng Cheng, Xiaoping Qi, Hongmei Mo, Yang Tian, Rowchanak Pakdaman, X Christopher Sheng, Choung U Kim, William E Delaney
BACKGROUND: GS-9256 is an inhibitor of hepatitis C virus (HCV) NS3 protease with a macrocyclic structure and novel phosphinic acid pharmacophore. METHODS: Key preclinical properties of GS-9256 including in vitro antiviral activity, cross-resistance, and pharmacokinetic properties were investigated in non-human species. RESULTS: In genotype (GT) 1b Huh-luc cells with a replicon encoding luciferase, GS-9256 had a mean EC50 value of 20.0 nM, with minimal cytotoxicity...
January 20, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28105258/efficacy-and-safety-of-tenofovir-in-chronic-hepatitis-b-australian-real-world-experience
#5
Grace C Lovett, Tin Nguyen, David M Iser, Jacinta A Holmes, Robert Chen, Barbara Demediuk, Gideon Shaw, Sally J Bell, Paul V Desmond, Alexander J Thompson
AIM: To evaluate the long-term treatment outcomes of tenofovir therapy in patients in a real world Australian tertiary care setting. METHODS: We performed a retrospective analysis of treatment outcomes among treatment-naïve and treatment-experienced patients receiving a minimum 3 mo tenofovir therapy through St Vincent's Hospital Melbourne, Australia. We included patients receiving tenofovir [tenofovir disoproxil fumarate (TDF)] monotherapy, as well as patients treated with TDF in combination with a second antiviral agent...
January 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28102520/us-fda-perspective-on-elbasvir-grazoprevir-treatment-for-patients-with-chronic-hepatitis-c-virus-genotype-1-or-4-infection
#6
Sarita D Boyd, LaRee Tracy, Takashi E Komatsu, Patrick R Harrington, Prabha Viswanathan, Jeff Murray, Adam Sherwat
Elbasvir/grazoprevir demonstrated high sustained virologic response rates 12 weeks after the end of treatment (SVR12) across five clinical trials in subjects infected with chronic hepatitis C virus (HCV) genotype 1, including those with advanced chronic kidney disease (CKD), and GT4. Despite favorable results overall, the US Food and Drug Administration (FDA) encountered challenging regulatory issues due to the limitations of clinical trial data in certain subpopulations. In GT1a-infected subjects, baseline NS5A resistance-associated polymorphisms emerged as the strongest baseline characteristic associated with diminished SVR12 rates following 12 weeks of elbasvir/grazoprevir treatment...
January 19, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28099520/oral-medications-enhance-adherence-to-surveillance-for-hepatocellular-carcinoma-and-survival-in-chronic-hepatitis-b-patients
#7
Joon Yeul Nam, Jeong-Hoon Lee, Hwi Young Kim, Jieun E Kim, Dong Hyeon Lee, Young Chang, Hyeki Cho, Jeong-Ju Yoo, Minjong Lee, Young Youn Cho, Yuri Cho, EunJu Cho, Su Jong Yu, Yoon Jun Kim, Jung-Hwan Yoon
BACKGROUND/AIMS: Regular surveillance for hepatocellular carcinoma (HCC) in chronic hepatitis B (CHB) patients is essential to detect HCC earlier and to improve prognosis. This study investigated whether prescription of oral medication contributes to adherence to surveillance, early tumor detection, and overall survival (OS). METHODS: A total of 401 CHB patients who were newly diagnosed with HCC were included: 134 patients received no medication (group 1), 151 received hepatoprotective agents such as ursodeoxycholic acid and silymarin (group 2), and 116 received antiviral agents (group 3) at two years before HCC diagnosis...
2017: PloS One
https://www.readbyqxmd.com/read/28096081/mice-with-hyperbilirubinemia-due-to-gilbert-s-syndrome-polymorphism-are-resistant-to-hepatic-steatosis-by-decreased-serine-73-phosphorylation-of-ppar%C3%AE
#8
Terry D Hinds, Peter A Hosick, Michael W Hankins, Andrea Nestor-Kalinoski, David E Stec
Gilbert's syndrome is derived from a polymorphism (TA repeat) in the hepatic UGT1A1 gene which results in decreased conjugation and increased levels of unconjugated bilirubin. Recently, we have shown that bilirubin binds directly to the fat burning nuclear peroxisome proliferator-activated receptor α (PPARα). Additionally, we have shown that serine 73 phosphorylation (Ser(P)(73)) of PPARα decreases activity by reducing its protein levels and transcriptional activity. The aim of this study was to determine if humanized mice with the Gilbert's polymorphism (HuUGT*28) have increased PPARα activation and reduced hepatic fat accumulation...
January 17, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28089947/hepatic-xanthine-oxidase-activity-and-purine-nucleosides-levels-as-physiological-mediators-to-analyze-a-subcutaneous-treatment-with-phse-2-in-mice-infected-by-toxoplasma-gondii
#9
Pedro H Doleski, Daniela B R Leal, Vanessa Machado, Nathieli B Bottari, Emerson A Casali, Cesar E J Moritz, Giovana Camillo, Fernanda F Vogel, Lenita M Stefani, Aleksandro Schafer da Silva
The aim of this study was to evaluate the levels of purine nucleosides and xanthine oxidase (XO) activity in the liver of mice chronically infected by Toxoplasma gondii and treated with diphenyl diselenide (PhSe)2. For this experiment, forty Swiss mice were used. Twenty animals were orally infected by approximately 50 bradizoites of a cystogenic ME-49 strain of T. gondii, and the same number of uninfected mice was used as a control group. Ten infected and ten uninfected mice were subcutaneously treated twice (days 1 and 20 post-infection (PI)) with 5 μmol kg(-1) of (PhSe)2...
January 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28089613/high-frequency-of-hepatitis-e-virus-infection-in-swine-from-south-brazil-and-close-similarity-to-human-hev-isolates
#10
Ana Maria Passos-Castilho, Celso Francisco Hernandes Granato
Hepatitis E virus is responsible for acute and chronic liver infections worldwide. Swine hepatitis E virus has been isolated in Brazil, and a probable zoonotic transmission has been described, although data are still scarce. The aim of this study was to investigate the frequency of hepatitis E virus infection in pigs from a small-scale farm in the rural area of Paraná State, South Brazil. Fecal samples were collected from 170 pigs and screened for hepatitis E virus RNA using a duplex real-time RT-PCR targeting a highly conserved 70nt long sequence within overlapping parts of ORF2 and ORF3 as well as a 113nt sequence of ORF2...
January 3, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28089429/diagnosis-and-quantification-of-fibrosis-steatosis-and-hepatic-siderosis-through-multiparametric-magnetic-resonance-imaging
#11
M Stoopen-Rometti, E R Encinas-Escobar, C R Ramirez-Carmona, E Wolpert-Barraza, E Kimura-Hayama, L A Sosa-Lozano, R Favila, Y Kimura-Fujikami, J A Saavedra-Abril, A Loaeza-Del Castillo
BACKGROUND: The presence of liver fibrosis is the common denominator in numerous chronic liver diseases that can progress to fibrosis and hepatocellular carcinoma. Most important, with respect to frequency, are viral hepatitis and non-alcoholic fatty liver disease, the prevalence of which is increasing in epidemic proportions. Liver biopsy, albeit imperfect, continues to be the criterion standard, but in many clinical situations tends to be replaced with noninvasive imaging methods. OBJECTIVES: The aim of the present article was to describe our imaging department experience with magnetic resonance elastography and to analyze and discuss recently published results in gastroenterology, hepatology, and radiology from other authors in the literature, complemented with a PubMed search covering the last 10 years...
January 12, 2017: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/28088502/the-nucleotide-changes-within-hbv-core-promoter-precore-during-the-first-12weeks-of-nucleos-t-ide-treatment-might-be-associated-with-a-better-virological-response
#12
Yaqin Peng, Yutang Li, Jinlin Hou, Jian Sun, Mingze Su, Yao Li, Kuanhui Xiang, Ling Yan, Hui Zhuang, Tong Li
OBJECTIVES: We aimed to study the dynamic changes of hepatitis B virus (HBV) core promoter/precore (CP/preC) sequences during antiviral treatment and their associations with virological responses. MATERIALS AND METHODS: The baseline and 12-week CP/preC sequences (nts 1655-2014) were obtained from 52 chronic hepatitis B patients with positive hepatitis B e antigen (HBeAg), who received a 104-week lamivudine and adefovir dipivoxil combination therapy. The mutations within the CP/preC were analyzed against genotype specific reference sequences...
January 12, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28088354/uncovering-oxysterol-binding-protein-osbp-as-a-target-of-the-anti-enteroviral-compound-ttp-8307
#13
Lucian Albulescu, Joëlle Bigay, Bishyajit Biswas, Marion Weber-Boyvat, Cristina M Dorobantu, Leen Delang, Hilde M van der Schaar, Young-Sik Jung, Johan Neyts, Vesa M Olkkonen, Frank J M van Kuppeveld, Jeroen R P M Strating
The genus Enterovirus (e.g. poliovirus, coxsackievirus, rhinovirus) of the Picornaviridae family of positive-strand RNA viruses includes many important pathogens linked to a range of acute and chronic diseases for which no approved antiviral therapy is available. Targeting a step in the life cycle that is highly conserved provides an attractive strategy for developing broad-range inhibitors of enterovirus infection. A step that is currently explored as a target for the development of antivirals is the formation of replication organelles, which support replication of the viral genome...
January 11, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28087985/prophylactic-tributyrin-treatment-mitigates-chronic-binge-alcohol-induced-intestinal-barrier-and-liver-injury
#14
Gail A Cresci, Bryan Glueck, Megan R McMullen, Wei Xin, Danielle Allende, Laura E Nagy
BACKGROUND/AIM: Impaired gut-liver axis is a potential factor contributing to alcoholic liver disease. Ethanol depletes intestinal integrity and causes gut dysbiosis. Butyrate, a fermentation byproduct of gut microbiota, is altered negatively following chronic ethanol exposure. This study aimed to determine whether prophylactic tributyrin could protect the intestinal barrier and liver in mice during combined chronic-binge ethanol exposure. METHODS: C57BL/6 J mice exposed to 5% v/v ethanol-containing diet for 10 days received a single ethanol gavage (5 g/kg) 9 hrs prior to euthanasia...
January 14, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28087676/the-longitudinal-study-of-aging-in-human-young-adults-knowledge-gaps-and-research-agenda
#15
Terrie E Moffitt, Daniel W Belsky, Andrea Danese, Richie Poulton, Avshalom Caspi
BACKGROUND: To prevent onset of age-related diseases and physical and cognitive decline, interventions to slow human aging and extend health span must eventually be applied to people while they are still young and healthy. Yet most human aging research examines older adults, many with chronic disease, and little is known about aging in healthy young humans. METHOD: This article explains how this knowledge gap is a barrier to extending health span and puts forward the case that geroscience should invest in researching the pace of aging in young adults...
February 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28078736/investigation-of-underlying-comorbidities-as-risk-factors-for-symptomatic-human-hepatitis-e-virus-infection
#16
S Zhang, C Chen, J Peng, X Li, D Zhang, J Yan, Y Zhang, C Lu, J Xun, W Li, Y Ling, Y Huang, L Chen
BACKGROUND: Symptomatic Hepatitis E virus (HEV) infection occurs in few infected subjects, and the risk factors are not completely known. AIMS: To explore the risk factors for adverse clinical outcomes in acute HEV infections. METHODS: A large retrospective study was conducted. The baseline characteristics, clinical outcomes, and laboratory data of 512 acute HEV infection cases were analysed using logistic regression models. RESULTS: All patients exhibited autochthonous sporadic HEV infections, and most were elderly...
January 12, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28076482/correlation-of-non-alcoholic-fatty-liver-disease-and-features-of-metabolic-syndrome-in-morbidly-obese-patients-in-the-preoperative-assessment-for-bariatric-surgery
#17
Fernando de Barros, Sergio Setúbal, José Manoel Martinho, Loraine Ferraz, Andressa Gaudêncio
Background: Obesity is an epidemic and chronic disease that can bring other comorbidities to the patient. Non-alcoholic fatty liver disease is present in up to 90% of these patients and can progress to hepatitis and hepatocarcinoma. The relationship of this liver disease and obesity is already well known; however, it is possible that some parameters of the comorbidities are more related than others in the pathophysiology of the disease. Aim: Was analyzed the relationship between non-alcoholic fatty liver disease (NAFLD) and the comorbidities of metabolic syndrome in morbidly obese patients...
November 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28076451/survival-benefits-of-interferon-based-therapy-in-patients-with-recurrent-hepatitis-c-after-orthotopic-liver-transplantation
#18
L P Zanaga, A G Vigani, R N Angerami, A Giorgetti, C A F Escanhoela, E C Ataíde, I F S F Boin, R S B Stucchi
Recurrent hepatitis C after orthotopic liver transplantation (OLT) is universal and can lead to graft failure and, consequently, reduced survival. Hepatitis C treatment can be used to prevent these detrimental outcomes. The aim of this study was to describe rates of hepatitis C recurrence and sustained virological response (SVR) to interferon-based treatment after OLT and its relationship to survival and progression of liver disease through retrospective analysis of medical records of 127 patients who underwent OLT due to cirrhosis or hepatocellular carcinoma secondary to chronic hepatitis C between January 2002 and December 2013...
January 9, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28068755/systematic-quantitation-of-histologic-patterns-shows-accuracy-in-reflecting-cirrhotic-remodeling
#19
Yan Wang, Wei Huang, Ruhua Li, Zhaoqiang Yun, Youfu Zhu, Jinlian Yang, Hailin Liu, Zhipeng Liu, Qianjin Feng, Jinlin Hou
BACKGROUND AND AIM: There still lacks a tool for precisely evaluating cirrhotic remodeling. Histologic distortion characterized in cirrhosis (i.e. cirrhotic patterns) has a validated pathophysiological meaning and the potential relevance to clinical complications. We aimed to establish a new tool for quantify the cirrhotic patterns and test it for reflecting the cirrhotic remodeling. METHODS: We designed a computerized algorithm (qCP) dedicated for the analysis of liver images acquired by second harmonic microscopy...
January 9, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28067935/hepatitis-b-vaccination-in-haemodialysis-patients-an-underestimated-problem-factors-influencing-immune-responses-in-ten-years-of-observation-in-an-italian-haemodialysis-centre-and-literature-review
#20
E Cordova, I Miglia, F Festuccia, M G Sarlo, G Scornavacca, G Punzo, P Menè, C Fofi
OBJECTIVES: Despite universal infection control precautions, the risk of hepatitis B virus (HBV) infection in patients on chronic haemodialysis (HD) remains high. For this reason anti-HBV vaccination is recommended in these subjects. In hemodialyzed patients vaccinal response is often suboptimal and it's not clear what factors may influence it. STUDY DESIGN: The aim of our study is to assess the influence of some clinical and laboratory factors on seroconversion rate after anti HBV vaccination in a cohort of patients on maintenance HD...
January 2017: Annali di Igiene: Medicina Preventiva e di Comunità
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