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chronic hepatitis e

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https://www.readbyqxmd.com/read/29159825/modulation-of-the-intestinal-bile-acid-fxr-fgf15-axis-improves-alcoholic-liver-disease-in-mice
#1
Phillipp Hartmann, Katrin Hochrath, Angela Horvath, Peng Chen, Caroline T Seebauer, Cristina Llorente, Lirui Wang, Yazen Alnouti, Derrick E Fouts, Peter Stärkel, Rohit Loomba, Sally Coulter, Christopher Liddle, Ruth T Yu, Lei Ling, Stephen J Rossi, Alex M DePaoli, Michael Downes, Ronald M Evans, David A Brenner, Bernd Schnabl
Alcoholic liver disease is associated with changes in the intestinal microbiota. Functional consequences of alcohol-associated dysbiosis are largely unknown. The aim of this study was to identify a mechanism of how changes in the intestinal microbiota contribute to alcoholic liver disease. Metagenomic sequencing of intestinal contents demonstrated that chronic ethanol feeding in mice is associated with an overrepresentation of bacterial genomic DNA encoding choloylglycine hydrolase, which deconjugates bile acids in the intestine...
November 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29159414/hepatitis-b-vaccination-screening-and-linkage-to-care-best-practice-advice-from-the-american-college-of-physicians-and-the-centers-for-disease-control-and-prevention
#2
Winston E Abara, Amir Qaseem, Sarah Schillie, Brian J McMahon, Aaron M Harris
Background: Vaccination, screening, and linkage to care can reduce the burden of chronic hepatitis B virus (HBV) infection. However, recommendations vary among organizations, and their implementation has been suboptimal. The American College of Physicians' High Value Care Task Force and the Centers for Disease Control and Prevention developed this article to present best practice statements for hepatitis B vaccination, screening, and linkage to care. Methods: A narrative literature review of clinical guidelines, systematic reviews, randomized trials, and intervention studies on hepatitis B vaccination, screening, and linkage to care published between January 2005 and June 2017 was conducted...
November 21, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29158666/tenofovir-alafenamide-in-the-treatment-of-chronic-hepatitis-b-design-development-and-place-in-therapy
#3
REVIEW
Eiichi Ogawa, Norihiro Furusyo, Mindie H Nguyen
Tenofovir alafenamide (TAF), a novel prodrug of tenofovir (TFV), has been approved for the treatment of chronic hepatitis B virus (HBV) infection. TAF has been shown to be a potent inhibitor of HBV replication at a low dose, with high intracellular concentration and more than 90% lower systemic TFV concentration than tenofovir disoproxil fumarate (TDF). In two randomized, double-blind, multinational, Phase 3, non-inferiority trials for hepatitis B e antigen (HBeAg)-positive and -negative patients (primary analysis: 48 weeks), TAF 25 mg orally once-daily was not inferior to TDF 300 mg in achieving an HBV DNA level <29 IU/mL at week 48...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29158528/fine-mapping-of-genetic-loci-driving-spontaneous-clearance-of-hepatitis-c-virus-infection
#4
Hailiang Huang, Priya Duggal, Chloe L Thio, Rachel Latanich, James J Goedert, Alessandra Mangia, Andrea L Cox, Gregory D Kirk, Shruti Mehta, Jasneet Aneja, Laurent Alric, Sharyne M Donfield, Matthew E Cramp, Salim I Khakoo, Leslie H Tobler, Michael Busch, Graeme J Alexander, Hugo R Rosen, Brian R Edlin, Florencia P Segal, Georg M Lauer, David L Thomas, Mark J Daly, Raymond T Chung, Arthur Y Kim
Approximately three quarters of acute hepatitis C (HCV) infections evolve to a chronic state, while one quarter are spontaneously cleared. Genetic predispositions strongly contribute to the development of chronicity. We have conducted a genome-wide association study to identify genomic variants underlying HCV spontaneous clearance using ImmunoChip in European and African ancestries. We confirmed two previously reported significant associations, in the IL28B/IFNL4 and the major histocompatibility complex (MHC) regions, with spontaneous clearance in the European population...
November 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29157309/recent-knowledge-on-hepatitis-e-virus-in-suidae-reservoirs-and-transmission-routes-to-human
#5
REVIEW
Nicole Pavio, Virginie Doceul, Eugénie Bagdassarian, Reimar Johne
Hepatitis E virus (HEV) causes self-limiting acute hepatitis in humans that can eventually result in acute liver failures or progress to chronic infections. While in tropical and sub-tropical areas, HEV infections are associated with important waterborne epidemics, in Northern countries, HEV infections are autochthonous with a zoonotic origin. In the past decade, it has become clear that certain HEV genotypes are zoonotic and that swine, and more generally Suidae, are the main reservoir. Zoonotic transmissions of the virus may occur via direct contact with infected pigs, wild boars or consumption of contaminated meat...
November 21, 2017: Veterinary Research
https://www.readbyqxmd.com/read/29156808/serum-hepatitis-b-surface-antigen-levels-predict-insignificant-fibrosis-and-non-cirrhosis-in-hepatitis-b-e-antigen-positive-patients-with-normal-or-mildly-elevated-alanine-transaminase-levels
#6
Qiang Li, Weixia Li, Chuan Lu, Yuxian Huang, Liang Chen
BACKGROUND/AIMS: We aimed to evaluate the diagnostic value of serum hepatitis B surface antigen (HBsAg) levels for liver fibrosis in hepatitis B e antigen-positive [HBeAg (+)] chronic hepatitis B (CHB) patients with alanine transaminase (ALT)≤twice upper limit of normal (ULN). METHODS: 505 patients who underwent liver biopsies and HBsAg quantitative detections were included. Liver histology was scored using METAVIR scoring system. The area under the receiver-operator curve (AUROC) was used to determine the diagnostic accuracy...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156049/management-of-pregnant-women-and-children-focusing-on-preventing-mother-to-infant-transmission
#7
Huey-Ling Chen, Wan-Hsin Wen, Mei-Hwei Chang
Hepatitis B virus (HBV) immunization has been effectively preventing chronic HBV infection with >90% efficacy in countries with universal neonatal immunization. Perinatal mother-to-infant transmission of HBV remains the major cause of chronic HBV infection despite immunization. Maternal hepatitis B e-antigen (HBeAg) and high viral load have been noted to be the most important risk factors for transmission. In recent years, short-term antiviral therapy for pregnant women in the third trimester has been shown to be highly effective in reducing 90% of vaccine failure in children...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29156048/unmet-needs-in-clinical-and-basic-hepatitis-b-virus-research
#8
Tung-Hung Su, Jia-Horng Kao
Chronic hepatitis B (CHB) has become a treatable and controllable disease. The current nucleos(t)ide analogue (NUC) and pegylated interferon therapies effectively help slow disease progression and reduce the risk of cirrhosis, hepatocellular carcinoma (HCC), and CHB-associated mortality. Long-term viral suppression is easily achievable by NUC therapy, with limited adverse reactions. However, several unmet requirements still exist, including safety and risk-stratified HCC surveillance among patients who received long-term NUC therapy...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29155718/the-murine-choline-deficient-ethionine-supplemented-cde-diet-model-of-chronic-liver-injury
#9
Jully Gogoi-Tiwari, Julia Köhn-Gaone, Corey Giles, Dirk Schmidt-Arras, Francis D Gratte, Caryn L Elsegood, Geoffrey W McCaughan, Grant A Ramm, John K Olynyk, Janina E E Tirnitz-Parker
Chronic liver diseases, such as viral hepatitis, alcoholic liver disease, or non-alcoholic fatty liver disease, are characterized by continual inflammation, progressive destruction and regeneration of the hepatic parenchyma, liver progenitor cell proliferation, and fibrosis. The end-stage of every chronic liver disease is cirrhosis, a major risk factor for the development of hepatocellular carcinoma. To study processes regulating disease initiation, establishment, and progression, several animal models are used in laboratories...
October 21, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29154369/hepatitis-e-virus-infection
#10
REVIEW
Nassim Kamar, Jacques Izopet, Nicole Pavio, Rakesh Aggarwal, Alain Labrique, Heiner Wedemeyer, Harry R Dalton
Hepatitis E virus (HEV) infection can lead to acute and chronic hepatitis as well as to extrahepatic manifestations such as neurological and renal disease; it is the most common cause of acute viral hepatitis worldwide. Four genotypes are responsible for most infection in humans, of which HEV genotypes 1 and 2 are obligate human pathogens and HEV genotypes 3 and 4 are mostly zoonotic. Until quite recently, HEV was considered to be mainly responsible for epidemics of acute hepatitis in developing regions owing to contamination of drinking water supplies with human faeces...
November 16, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/29152781/glecaprevir-pibrentasvir-in-patients-with-hcv-genotype-1-or-4-and-prior-direct-acting-antiviral-treatment-failure
#11
Fred Poordad, Stanislas Pol, Armen Asatryan, Maria Buti, David Shaw, Christophe Hézode, Franco Felizarta, Robert W Reindollar, Stuart C Gordon, Stephen Pianko, Michael W Fried, David E Bernstein, Joel Gallant, Chih-Wei Lin, Yang Lei, Teresa I Ng, Preethi Krishnan, Sarah Kopecky-Bromberg, Jens Kort, Federico Mensa
METHODS: MAGELLAN-1 Part 2 was a randomized, open-label, phase 3 study to evaluate the efficacy and safety of ribavirin (RBV)-free glecaprevir and pibrentasvir (G/P; 300 mg/120 mg) in patients with chronic HCV and prior virologic failure on at least one NS3/4A protease and/or NS5A inhibitor-containing therapy. Patients with compensated liver disease, with or without cirrhosis, and HCV genotype (GT) 1, 4, 5, or 6 were randomized 1:1 to receive 12 or 16 weeks of G/P. The primary endpoint was sustained virologic response at 12 weeks post-treatment (SVR12)...
November 20, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29151700/tenofovir-vs-lamivudine-plus-adefovir-in-chronic-hepatitis-b-tenosimp-b-study
#12
Manuel Rodríguez, Juan Manuel Pascasio, Enrique Fraga, Javier Fuentes, Martín Prieto, Gloria Sánchez-Antolín, José Luis Calleja, Esther Molina, María Luisa García-Buey, María Ángeles Blanco, Javier Salmerón, María Lucía Bonet, José Antonio Pons, José Manuel González, Miguel Ángel Casado, Francisco Jorquera, The Tenosimp-B Research Group
AIM: To demonstrate the non-inferiority (15% non-inferiority limit) of monotherapy with tenofovir disoproxil fumarate (TDF) vs the combination of lamivudine (LAM) plus adefovir dipivoxil (ADV) in the maintenance of virologic response in patients with chronic hepatitis B (CHB) and prior failure with LAM. METHODS: This study was a Phase IV prospective, randomized, open, controlled study with 2 parallel groups (TDF and LAM+ADV) of adult patients with hepatitis B e antigen (HBeAg)-negative CHB, prior failure with LAM, on treatment with LAM+ADV for at least 6 mo, without prior resistance to ADV and with an undetectable viral load at the start of the study, in 14 Spanish hospitals...
November 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29149205/kir-content-genotypes-associate-with-carriage-of-hepatitis-b-surface-antigen-e-antigen-and-hbv-viral-load-in-gambians
#13
Louis-Marie Yindom, Maimuna Mendy, Christopher Bodimeade, Caroline Chambion, Peter Aka, Hilton C Whittle, Sarah L Rowland-Jones, Robert Walton
BACKGROUND: Hepatocellular carcinoma (HCC) causes over 800,000 deaths worldwide annually, mainly in low income countries, and incidence is rising rapidly in the developed world with the spread of hepatitis B (HBV) and C (HCV) viruses. Natural Killer (NK) cells protect against viral infections and tumours by killing abnormal cells recognised by Killer-cell Immunoglobulin-like Receptors (KIR). Thus genes and haplotypes encoding these receptors may be important in determining both outcome of initial hepatitis infection and subsequent chronic liver disease and tumour formation...
2017: PloS One
https://www.readbyqxmd.com/read/29149046/impact-of-a-single-oral-acute-dose-of-aflatoxin-b%C3%A2-on-liver-function-cytokines-and-the-lymphoproliferative-response-in-c57bl-6-mice
#14
Angélica Tieme Ishikawa, Elisa Yoko Hirooka, Paula Leonello Alvares E Silva, Ana Paula Frederico Rodrigues Loureiro Bracarense, Karina Keller Marques da Costa Flaiban, Claudia Yuri Akagi, Osamu Kawamura, Marcio Carvalho da Costa, Eiko Nakagawa Itano
Aflatoxin B₁ (AFB₁), a mycotoxin found in food and feed, exerts harmful effects on humans and animals. The liver is the earliest target of AFB₁, and its effects have been evaluated in animal models exposed to acute or chronic doses. Considering the possibility of sporadic ingestion of AFB₁-contaminated food, this study investigated the impact of a single oral dose of AFB₁ on liver function/cytokines and the lymphoproliferative response in mice. C57BL/6 mice were treated with a single oral AFB₁ dose (44, 442 or 663 μg AFB₁/kg of body weight) on the first day...
November 17, 2017: Toxins
https://www.readbyqxmd.com/read/29148605/an-overview-rabbit-hepatitis-e-virus-hev-and-rabbit-providing-an-animal-model-for-hev-study
#15
REVIEW
Lin Wang, Lin Liu, Ling Wang
Hepatitis E virus (HEV) is a single-stranded, positive-sense RNA virus and the causative agent of hepatitis E. The virus belongs to genus Orthohepevirus in the family Hepeviridae, which contains 4 major genotypes closely relating to humans. Genotypes 1 and 2 only infect humans whereas genotypes 3 and 4 HEV are harbored in a wide range of animal species worldwide and are zoonotic to humans. Recently, a novel animal strain of HEV has been isolated in farmed rabbits in China, and subsequently more strains were discovered in the rabbit populations in at least 7 other countries...
November 17, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29146513/seroprevalence-and-risk-factors-of-hepatitis-e-infection-in-jordan-population-first-report
#16
Mohammad M Obaidat, Amira A Roess
OBJECTIVES: Hepatitis E virus (HEV) is hyperendemic in many countries, but data on this virus are not available in Jordan. This study determined the seroprevalence, risk factors and zoonotic potential of HEV in a Jordanian population. METHODS: A total of 450 sera samples from 8 different governorates were tested for HEV-IgG. A pre-tested and validated questionnaire was used to collect risk factor data including animal interaction and environmental exposures. RESULTS: The overall seroprevalence was 30...
November 13, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29145578/the-changing-paradigm-of-management-of-liver-abscesses-in-chronic-granulomatous-disease
#17
David M Straughan, Kaitlin C McLoughlin, John E Mullinax, Beatriz E Marciano, Alexandra F Freeman, Victoria L Anderson, Gulbu Uzel, Sa D C Azoury, Rebecca Sorber, Humair S Quadri, Harry L Malech, Suk See DeRavin, Natasha Kamal, Christopher Koh, Christa S Zerbe, Douglas B Kuhns, John I Gallin, Theo Heller, Steven M Holland, Udo Rudloff
Background: Chronic granulomatous disease (CGD) is a rare genetic disorder causing recurrent infections. Over one quarter of patients develop hepatic abscesses and liver dysfunction. Recent reports suggest disease-modifying treatment with corticosteroids is effective for these abscesses. Comparison of corticosteroid therapy to traditional invasive treatments has not been performed. Methods: Records of 268 patients with CGD treated at the National Institutes of Health (NIH) from 1980 to 2014 were reviewed...
November 14, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29145453/the-antiviral-drug-tenofovir-an-inhibitor-of-pannexin-1-mediated-atp-release-prevents-liver-and-skin-fibrosis-by-downregulating-adenosine-levels-in-the-liver-and-skin
#18
Jessica L Feig, Aranzazu Mediero, Carmen Corciulo, Hailing Liu, Jin Zhang, Miguel Perez-Aso, Laura Picard, Tuere Wilder, Bruce Cronstein
BACKGROUND: Fibrosing diseases are a leading cause of morbidity and mortality worldwide and, therefore, there is a need for safe and effective antifibrotic therapies. Adenosine, generated extracellularly by the dephosphorylation of adenine nucleotides, ligates specific receptors which play a critical role in development of hepatic and dermal fibrosis. Results of recent clinical trials indicate that tenofovir, a widely used antiviral agent, reverses hepatic fibrosis/cirrhosis in patients with chronic hepatitis B infection...
2017: PloS One
https://www.readbyqxmd.com/read/29145204/comparing-the-clinical-features-and-outcomes-of-acute-hepatitis-e-viral-infections-with-those-of-acute-hepatitis-a-b-and-c-infections-in-korea
#19
Hye Won Oh, Ra Ri Cha, Sang Soo Lee, Chang Min Lee, Wan Soo Kim, Yun Won Jo, Jin Joo Kim, Jae Min Lee, Hong Jun Kim, Chang Yoon Ha, Hyun Jin Kim, Tae Hyo Kim, Woon Tae Jung, Ok Jae Lee
OBJECTIVES: This study investigated the etiology of acute viral hepatitis and compared the clinical features of hepatitis E virus (HEV) infections with those of other acute viral hepatitis infections in Korea. METHODS: This study included 2,357 consecutive patients who were diagnosed with acute hepatitis, based on acute illness with jaundice or elevated alanine aminotransferase levels (>100 IU/L), between January 2007 and January 2016. Acute viral infections were observed in 23 (19...
November 17, 2017: Intervirology
https://www.readbyqxmd.com/read/29143681/economic-evaluation-of-hcv-testing-approaches-in-low-and-middle-income-countries
#20
REVIEW
Jake R Morgan, Maria Servidone, Philippa Easterbrook, Benjamin P Linas
BACKGROUND: Hepatitis C virus (HCV) infection represents a major public health burden with diverse epidemics worldwide, but at present, only a minority of infected persons have been tested and are aware of their diagnosis. The advent of highly effective direct acting antiviral (DAA) therapy, which is becoming available at increasingly lower costs in low and middle income countries (LMICs), represents a major opportunity to expand access to testing and treatment. However, there is uncertainty as to the optimal testing approaches and who to prioritize for testing...
November 1, 2017: BMC Infectious Diseases
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