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https://www.readbyqxmd.com/read/28647707/hepatitis-e-virus-and-neurological-disorders
#1
REVIEW
Brendan N Mclean, James Gulliver, Harry R Dalton
Hepatitis E is the most common cause of hepatitis worldwide. While originally considered a disease of developing countries, it is increasingly recognised in developed countries, probably related to contaminated pork meat, and where infection is often asymptomatic. However, several non-liver manifestations have become apparent, the most important of which are neurological, including Guillain-Barré syndrome (acute inflammatory demyelinating polyradiculoneuropathy (AIDP)), neuralgic amyotrophy and meningoencephalitis...
June 24, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28646670/a-metagenomic-assessment-of-viral-contamination-on-fresh-parsley-plants-irrigated-with-fecally-tainted-river-water
#2
X Fernandez-Cassi, N Timoneda, E Gonzales-Gustavson, J F Abril, S Bofill-Mas, R Girones
Microbial food-borne diseases are still frequently reported despite the implementation of microbial quality legislation to improve food safety. Among all the microbial agents, viruses are the most important causative agents of food-borne outbreaks. The development and application of a new generation of sequencing techniques to test for viral contaminants in fresh produce is an unexplored field that allows for the study of the viral populations that might be transmitted by the fecal-oral route through the consumption of contaminated food...
June 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28631044/-personalized-treatment-of-viral-hepatitis-of-the-present-and-the-future-hepatitis%C3%A2-b-c-delta-and-e
#3
REVIEW
R Bartenschlager, M Cornberg, T Pietschmann
Precision medicine is also possible for infectious diseases as shown for the treatment of chronic viral hepatitis, especially if different options are available. In hepatitis B virus (HBV) infection, treatment indication as well as the choice of treatment and the decisions to stop treatment are based on viral markers and alanine aminotransferase (ALT) level. Future therapies for HBV infection aiming for functional cure or even virus elimination may be even more personalized and have to take into account the immune status of a given patient...
June 19, 2017: Der Internist
https://www.readbyqxmd.com/read/28630341/pig-model-mimicking-chronic-hepatitis-e-virus-infection-in-immunocompromised-patients-to-assess-immune-correlates-during-chronicity
#4
Dianjun Cao, Qian M Cao, Sakthivel Subramaniam, Danielle M Yugo, C Lynn Heffron, Adam J Rogers, Scott P Kenney, Debin Tian, Shannon R Matzinger, Christopher Overend, Nicholas Catanzaro, Tanya LeRoith, Heng Wang, Pablo Piñeyro, Nicole Lindstrom, Sherrie Clark-Deener, Lijuan Yuan, Xiang-Jin Meng
Chronic hepatitis E virus (HEV) infection is a significant clinical problem in immunocompromised individuals such as organ transplant recipients, although the mechanism remains unknown because of the lack of an animal model. We successfully developed a pig model of chronic HEV infection and examined immune correlates leading to chronicity. The conditions of immunocompromised patients were mimicked by treating pigs with an immunosuppressive regimen including cyclosporine, azathioprine, and prednisolone. Immunocompromised pigs infected with HEV progressed to chronicity, because 8/10 drug-treated HEV-infected pigs continued fecal virus shedding beyond the acute phase of infection, whereas the majority (7/10) of mock-treated HEV-infected pigs cleared fecal viral shedding at 8 wk postinfection...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28628452/rabbit-hepatitis-e-virus-infections-in-humans-france
#5
Florence Abravanel, Sébastien Lhomme, Hicham El Costa, Betoul Schvartz, Jean-Marie Peron, Nassim Kamar, Jacques Izopet
Hepatitis E virus (HEV) has been detected in rabbits, but whether rabbit HEV strains can be transmitted to humans is not known. Of 919 HEV-infected patients in France during 2015-2016, five were infected with a rabbit HEV strain. None of the patients had direct contact with rabbits, suggesting foodborne or waterborne infections.
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28627822/development-of-a-one-step-reverse-transcription-loop-mediated-isothermal-amplification-system-for-a-highly-sensitive-detection-of-rabbit-hepatitis-e-virus
#6
Jing Wang, Hua Zhang, Shengyuan Yan, Yichao Wang, Xin Lu, Hongwei Fu
BACKGROUND: Hepatitis E virus (HEV) is a major cause of acute viral hepatitis in areas with poor sanitation. Rabbit is one of important animal reservoirs of the virus. Reverse transcription-loop-mediated isothermal amplification (RT-LAMP) system is a novel nucleic acid amplification assay, for which the specificity and sensitivity are much higher than that of conventional PCR. However, previously reported RT-LAMP system cannot detect rabbit HEV, which was identified recently and seems to be another potential source of human HEV infection...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28624102/hepatitis-e-virus-a-potential-threat-for-patients-with-liver-disease-and-liver-transplantation
#7
REVIEW
Annemiek A van der Eijk, Suzan D Pas, Robert A de Man
Immunocompromised patients are at risk of acquiring acute hepatitis E virus infection (HEV), leading to chronicity. Chronic HEV infection is associated with persistent viraemia, raised transaminase activity, histological features associated with chronic hepatitis and evidence of rapid development of cirrhosis. Extrahepatic manifestations have been associated with HEV. Most frequently reported are neurological disorders with predominantly involvement of the peripheral nervous system. In patients using immunosuppressive drugs antibody production is often delayed and HEV RNA detection is superior to serology to detect infection...
April 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28623406/nucleoside-analogue-2-c-methylcytidine-inhibits-hepatitis-e-virus-replication-but-antagonizes-ribavirin
#8
Changbo Qu, Lei Xu, Yuebang Yin, Maikel P Peppelenbosch, Qiuwei Pan, Wenshi Wang
Hepatitis E virus (HEV) infection has emerged as a global health issue, but no approved medication is available. The nucleoside analogue 2'-C-methylcytidine (2CMC), a viral polymerase inhibitor, has been shown to inhibit infection with a variety of viruses, including hepatitis C virus (HCV). Here, we report that 2CMC significantly inhibits the replication of HEV in a subgenomic replication model and in a system using a full-length infectious virus. Importantly, long-term treatment with 2CMC did not result in a loss of antiviral potency, indicating a high barrier to drug resistance development...
June 16, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28619140/decreased-egg-production-in-laying-hens-associated-with-infection-with-genotype-3-avian-hepatitis-e-virus-strain-from-china
#9
Qin Zhao, Baoyuan Liu, Yani Sun, Taofeng Du, Yiyang Chen, Xinjie Wang, Huixia Li, Yuchen Nan, Gaiping Zhang, En-Min Zhou
To determine the relationship between decreased egg production and avian HEV infection, thirty healthy 23-week-old Hy-Line Variety Brown layer hens were randomly divided into 3 groups with 10 hens per group. Next, a genotype 3 avian HEV strain from China was used to inoculate laying hens via oronasal or intravenous routes using a 50% chicken infectious dose of 500. All hens were necropsied at 14 weeks postinoculation (wpi). Fecal virus shedding, viremia, seroconversion, serum alanine aminotransferase (ALT) increases and liver lesions showed that after intravenous (i...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28617964/prevalence-and-genetic-features-of-rabbit-hepatitis-e-virus-in-korea
#10
Hee-Seop Ahn, Byung-Joo Park, Sang-Hoon Han, Yong-Hyun Kim, Dong-Hwi Kim, Bo-Sook Kim, Joong-Bok Lee, Seung-Yong Park, Chang-Seon Song, Sang-Won Lee, In-Soo Choi
Hepatitis caused by hepatitis E virus (HEV) is a public health concern worldwide. HEV strains have been isolated from several animal species, some of which induce zoonosis. Recently, the isolation of HEV from rabbits was reported. Here, the partial capsid gene (320 bp) of HEV was detected in rabbit feces via reverse transcriptase-polymerase chain reaction (RT-PCR). Rabbit HEV was found in two of six rabbit farms and 17 of 264 rabbit fecal samples (6.4%). A phylogenetic analysis of the partial capsid gene classified the 17 HEV isolates into the putative rabbit HEV clade...
June 15, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28616093/hepatitis-e-immunosuppressed-patients-and-assisted-pregnancy-is-it-time-to-discuss-neglected-issues
#11
D Anyfantakis, E K Symvoulakis, S Kastanakis
No abstract text is available yet for this article.
April 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28611340/role-of-n-acetylcysteine-treatment-in-non-acetaminophen-induced-acute-liver-failure-a-prospective-study
#12
Tauseef Nabi, Sumaiya Nabi, Nadeema Rafiq, Altaf Shah
BACKGROUND/AIMS: Acute liver failure (ALF) is a rare but severe medical emergency. To date, there is no established treatment for non-acetaminophen-induced acute liver failure (NAI-ALF) other than liver transplantation, and little is known about the use of N-acetylcysteine (NAC) in NAI-ALF. A randomized case control study was conducted with the aim to determine the effect of NAC on the mortality of NAI-ALF patients, as well as to evaluate the safety and efficacy of NAC use. PATIENTS AND METHODS: A total of 80 patients diagnosed with NAI-ALF were included in the study...
May 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28606414/high-prevalence-of-hepatitis-e-virus-antibodies-in-sao-paulo-southeastern-brazil-analysis-of-a-group-of-blood-donors-representative-of-the-general-population
#13
Ana Maria Passos-Castilho, Mônica Renata Reinaldo, Anne de Sena, Celso F H Granato
Brazil is a non-endemic country for hepatitis E virus (HEV) infection with seroprevalence from 1% to 4% in blood donors and the general population. However, data on seroprevalence of HEV in the country are still limited. This study evaluated the prevalence of past or present HEV infection in a group of blood donors representative of the general population of the city of Sao Paulo, Southeastern Brazil. Serum samples from 500 blood donors were tested from July to September 2014 by serological and molecular methods...
June 9, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28604562/cytokine-signatures-discriminate-highly-frequent-acute-hepatitis-a-virus-and-hepatitis-e-virus-coinfections-from-monoinfections-in-mexican-pediatric-patients
#14
Mauricio Realpe-Quintero, Edgar Daniel Copado-Villagrana, Jorge Luis Trujillo-Ochoa, Angel Hilario Alvarez, Arturo Panduro, Nora Alma Fierro
The frequency of hepatitis A virus and hepatitis E virus infections and their cytokine profiles were analyzed in Mexican pediatric patients with acute hepatitis. A high frequency of coinfections was found. Significant overexpression of interleukin (IL)-4, IL-12, IL-13 and interferon-gamma during hepatitis A virus monoinfections and limited secretion of cytokines in hepatitis E virus infections were observed.
July 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28604244/n-2-hydroxy-propyl-3-trimethylammonium-chitosan-chloride-an-immune-enhancing-adjuvant-for-hepatitis-e-virus-recombinant-polypeptide-vaccine-in-mice
#15
Wei Tao, Hai-Qun Zheng, Ting Fu, Zhuo-Jing He, Yan Hong
Adjuvants are essential for enhancing vaccine potency by improving the humoral and/or cell-mediated immune response to vaccine antigens. This study was performed to evaluate the immuno-enhancing characteristic of N-(2-hydroxy) propyl-3-trimethylammonium chitosan chloride (HTCC), the cationically modified chitosan, as an adjuvant for hepatitis E virus (HEV) recombinant polypeptide vaccine. Animal experiments showed that HTCC provides adjuvant activity when co-administered with HEV recombinant polypeptide vaccine by intramuscularly route...
June 12, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28598352/uk-pigs-at-the-time-of-slaughter-investigation-into-the-correlation-of-infection-with-prrsv-and-hev
#16
Jean-Pierre Frossard, Sylvia Grierson, Tanya Cheney, Falko Steinbach, Bhudipa Choudhury, Susanna Williamson
Hepatitis E virus (HEV) and porcine reproductive and respiratory syndrome virus (PRRSV) and are both globally prevalent in the pig population. While HEV does not cause clinical disease in pigs, its zoonotic potential has raised concerns in the food safety sector. PRRS has become endemic in the United Kingdom (UK) since its introduction in 1991, and continues to cause considerable economic losses to the swine industry. A better understanding of the current prevalence and diversity of PRRSV and HEV in the UK, and their potential association, is needed to assess risks and target control measures appropriately...
June 9, 2017: Viruses
https://www.readbyqxmd.com/read/28598034/hepatitis-e-in-southern-vietnam-seroepidemiology-in-humans-and-molecular-epidemiology-in-pigs
#17
A Berto, H A Pham, T T N Thao, N H T Vy, S L Caddy, R Hiraide, N T Tue, I Goodfellow, J J Carrique-Mas, G E Thwaites, S Baker, M F Boni
Viral pathogens account for a significant proportion of the burden of emerging infectious diseases in humans. The Wellcome Trust-Vietnamese Initiative on Zoonotic Infections (WT-VIZIONS) is aiming to understand the circulation of viral zoonotic pathogens in animals that pose a potential risk to human health. Evidence suggests that human exposure and infections with hepatitis E virus (HEV) genotypes (GT) 3 and 4 results from zoonotic transmission. Hypothesising that HEV GT3 and GT4 are circulating in the Vietnamese pig population and can be transmitted to humans, we aimed to estimate the seroprevalence of HEV exposure in a population of farmers and the general population...
June 9, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28592088/-hepatitis-b-prevalence-among-women-in-child-bearing-age-in-shandong-province-china-2014
#18
L Zhang, J Y Liu, J J Lyu, B Y Yan, Y Feng, W L Wu, L Z Song, A Q Xu
Objective: To know the prevalence of hepatitis B virus (HBV) among women in child-bearing age in Shandong Province, China, providing references to the improvement of HBV control strategy. Methods: The participants were randomly selected by two-stage sampling method from 12 counties which were representative for the whole province. Firstly two townships were selected from each county by probability proportional to size sampling (PPS) method. Then participants aged 1-4 years, 5-14 years, 15-29 years and 30-59 years were selected by stratified random sampling method...
June 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28589292/detection-of-diverse-viruses-in-alimentary-specimens-of-bats-in-macau
#19
Jie Liang, Xing-Lou Yang, Bei Li, Qi Liu, Qin Zhang, Hui Liu, Hon-Pio Kan, Kai-Chin Wong, Si-Nga Chek, Xiangyang He, Xingwen Peng, Zheng-Li Shi, Yi Wu, Libiao Zhang
Bats carry a variety of viruses, and some of them cause public health problems. Macau, which is famous for its gambling industry, has a complex population structure. The globalization in such an international metropolis has enhanced the chance of disease transmission. Therefore, surveillance of zoonotic viruses is necessary for the early warning of potential emerging infectious diseases. Here, we report the first surveillance of bat viruses in Macau. In this study, we collected 1004 samples involving 10 bat species from 7 sites from April 2015 to May 2016, and examined the presence of viruses using nucleic acid-based methods...
June 1, 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28587339/orf3-as-a-sensitive-and-specific-diagnostic-index-for-hepatitis-e
#20
Lijuan Li, Min Liu, Chengrui Geng, Yunmei Zou, Tong Jiao
We explored the significance of the expression of hepatitis E virus (HEV) open reading frame 3 (ORF3) in hepatitis E rat models. We also investigated its diagnostic value. Forty Sprague-Dawley (SD) rats were infected with HEV and 10 uninfected rats were selected for the control group. Rats were sacrificed at 14, 21, 35 and 70 days after infection. They were divided into 4 groups: Model group 1, model group 2, model group 3 and model group 4. ORF3 protein expression level in liver tissue, level of adipokines [fatty acid synthase (FAS), tissue inhibitor of metalloproteinase-2 (TIMP-2) and angiotensin-converting enzyme inhibitor 2 (ACE-2)], Th1/Th2 cells balance [interferon (IFN), interleukin-4 (IL-4) and Th1/Th2] and the level of immune outcome (levels of CD4(+), CD8(+) T lymphocytes and CD4(+)/CD8(+)) were measured and compared among groups...
June 2017: Experimental and Therapeutic Medicine
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