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https://www.readbyqxmd.com/read/28328941/cynomolgus-monkeys-are-successfully-and-persistently-infected-with-hepatitis-e-virus-genotype-3-hev-3-after-long-term-immunosuppressive-therapy
#1
Noemi Rovaris Gardinali, Juliana Rodrigues Guimarães, Juliana Gil Melgaço, Yohan Britto Kevorkian, Fernanda de Oliveira Bottino, Yasmine Rangel Vieira, Aline Campos de Azevedo da Silva, Douglas Pereira Pinto, Laís Bastos da Fonseca, Leandro Schiavo Vilhena, Edilson Uiechi, Maria Cristina Carlan da Silva, Julio Moran, Renato Sérgio Marchevsky, Oswaldo Gonçalves Cruz, Rodrigo Alejandro Arellano Otonel, Amauri Alcindo Alfieri, Jaqueline Mendes de Oliveira, Ana Maria Coimbra Gaspar, Marcelo Alves Pinto
Epidemiological studies found that hepatitis E virus genotype 3 (HEV-3) infection was associated with chronic hepatitis and cirrhosis in immunocompromised patients. Our study aimed to investigate the relationship between the host immunosuppressive status and the occurrence of HEV-related chronic hepatitis. Here we describe a successful experimental study, using cynomolgus monkeys previously treated with tacrolimus, a potent calcineurin inhibitor immunosuppressant, and infected with a Brazilian HEV-3 strain isolated from naturally infected pigs...
2017: PloS One
https://www.readbyqxmd.com/read/28319799/occurrence-of-hepatitis-a-and-e-and-norovirus-gi-and-gii-in-ready-to-eat-vegetables-in-italy
#2
V Terio, M Bottaro, E Pavoni, M N Losio, A Serraino, F Giacometti, V Martella, A Mottola, A Di Pinto, G Tantillo
Fresh vegetables and their ready-to-eat (RTE) salads have become increasingly recognized as potential vehicles for foodborne diseases. The EU Reg. 1441/2007 establishes microbiological criteria for bacterial pathogens for products placed on the market during their shelf-life (i.e. Salmonella spp., Listeria monocytogenes) for pre-cut fruits and vegetables (RTE) whilst it does not address the problem of contamination by enteric viruses. In this study we investigated the contamination by hepatitis A virus (HAV), hepatitis E virus (HEV) and norovirus (NoV) in 911 ready-to-eat vegetable samples taken from products at retail in Apulia and in Lombardia...
March 14, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28318080/hepatitis-e-and-pregnancy-current-state
#3
REVIEW
María Teresa Pérez-Gracia, Beatriz Suay-García, María Luisa Mateos-Lindemann
Hepatitis E virus (HEV) is responsible for more than 50% of acute viral hepatitis cases in endemic countries. Approximately 2 billion individuals live in hepatitis E-endemic areas and, therefore, are at risk of infection. According to World Health Organization, HEV causes about 20.1 million infections and 70 000 deaths every year. In developing countries with poor sanitation, this disease is transmitted through contaminated water and is associated with large outbreaks, affecting hundreds or thousands of people...
March 20, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28301232/molecular-characterization-of-hemorrhagic-enteritis-viruses-hev-detected-in-hev-vaccinated-commercial-turkey-flocks-in-germany
#4
Tamiru Negash Alkie, Ronald Guenther, Silke Rautenschlein
Despite the application of live hemorrhagic enteritis virus (HEV) vaccines, HEV field outbreaks are suspected to still occur in turkey flocks in Germany. Increasing secondary bacterial infections in HEV-vaccinated flocks suggest that vaccines may be losing efficacy or, possibly, that vaccine strains are causing disease. Thus, the goal of the current study was to investigate the diversity of HEV isolates from fattening turkey flocks between 2008 and 2012 by characterizing the open reading frame (ORF)1 gene at its 5' and 3' ends...
March 2017: Avian Diseases
https://www.readbyqxmd.com/read/28296656/severity-and-outcome-of-acute-on-chronic-liver-failure-is-dependent-on-the-etiology-of-acute-hepatic-insults-analysis-of-368-patients
#5
Shalimar, Saurabh Kedia, Soumya J Mahapatra, Baibaswata Nayak, Deepak Gunjan, Bhaskar Thakur, Subrat K Acharya
BACKGROUND: Acute-on-chronic liver failure (ACLF) may be precipitated by various hepatic insults. The present study evaluated the outcomes of ACLF with different acute insults. PATIENTS AND METHODS: A total of 368 ACLF patients were included. Data collected included etiologies of acute hepatic insult and underlying chronic liver disease, and organ failure. Model for end-stage liver disease (MELD), chronic liver failure consortium (CLIF)-C ACLF, and acute physiology and chronic health evaluation (APACHE) II scores were calculated...
March 14, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28295889/acute-hepatitis-e-virus-infection-causing-acute-liver-failure-requiring-living-donor-liver-transplantation-in-a-non-pregnant-immunocompetent-woman
#6
Wai Sum Li, Kenneth Chok
We report a rare case of acute liver failure from acute hepatitis E virus (HEV) in a non-pregnant woman without comorbidities who survived after liver transplantation. The source was likely consumption of partially cooked pig liver. HEV genotype 3 is the second most common genotype causing acute hepatitis E in developed countries. Fulminant hepatitis E rarely occurs without a risk factor, as in our patient. Vigilant monitoring for chronic hepatitis E in post-transplant immunocompromised patients is needed. This article is protected by copyright...
March 14, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28285979/the-added-value-of-hepatitis-e-diagnostics-in-determining-causes-of-hepatitis-in-routine-diagnostic-settings-in-the-netherlands
#7
Meintje Doting, Jan Weel, H Niesters, A Riezebos-Brilman, Afke Brandenburg
OBJECTIVES: Hepatitis E virus (HEV) genotype 3 is endemic in Europe and an underdiagnosed and emerging (public) health issue. In recent years commercial enzyme immunoassays (EIAs) that detect antibodies to HEV more adequately, became available. We investigated the added value of this HEV serology in the diagnostic work flow to detect viral causes of recent hepatitis. METHODS: During a two year period (May 2013 - May 2015), HEV serology was added to the hepatitis work flow, consisting of serological detection of hepatitis A-B-C virus (HAV, HBV, HCV), Epstein-Barr Virus (EBV) and Cytomegalovirus (CMV)...
March 7, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28284626/rabbit-hepatitis-e-virus-is-an-opportunistic-pathogen-in-specific-pathogen-free-rabbits-with-the-capability-of-cross-species-transmission
#8
Baoyuan Liu, Yani Sun, Taofeng Du, Yiyang Chen, Xinjie Wang, Baicheng Huang, Huixia Li, Yuchen Nan, Shuqi Xiao, Gaiping Zhang, Julian A Hiscox, En-Min Zhou, Qin Zhao
Hepatitis E virus (HEV) has been detected in rabbits, a recently identified natural reservoir. In this study, anti-HEV antibodies and viral RNA were detected in rabbits sourced from a specific-pathogen-free (SPF) rabbit vendor in Shaanxi Province, China. BLAST results of partial HEV ORF2 genes cloned here indicated that two viral strains circulated in the rabbits. Sequence determination of the complete genome (7302bp) of one strain and a partial ORF1 gene (1537bp) of the other strain showed that they shared 90% identity with one another and 78%-94% identity with other known rabbit HEVs...
March 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28279253/collaborative-study-for-the-establishment-of-the-ph-eur-hepatitis-e-virus-rna-for-nat-testing-biological-reference-preparation-batch-1
#9
S A Baylis, E Terao, J Blümel, K-M O Hanschmann
A new European Pharmacopoeia (Ph. Eur.) biological reference preparation (BRP) had to be established further to the decision to include nucleic acid testing (NAT) for the detection of hepatitis E virus (HEV) RNA in the monograph Human plasma (pooled and treated for virus inactivation) (1646). To this purpose, an international collaborative study was launched in the framework of the Biological Standardisation Programme (BSP) of the European Directorate for the Quality of Medicines & HealthCare (EDQM) and the Commission of the European Union (EU)...
2017: Pharmeuropa Bio & Scientific Notes
https://www.readbyqxmd.com/read/28272983/dynamics-of-8g12-competitive-antibody-in-prime-boost-vaccination-of-hepatitis-e-vaccine
#10
Xing Wu, Pan Chen, Huijuan Lin, Yao Su, Xiaotian Hao, Fengyu Cao, Li Li, Fengcai Zhu, Zhenglun Liang
Hepatitis E virus still poses a great threat to public health worldwide. To date, Hecolin® is the only licensed HEV vaccine in China. Total anti-HEV antibody has been used to reflect vaccine induced immune response in clinical trials for the lack of robust HEV neutralizing antibody detection methods. In this study, we applied a broad neutralizing mouse monoclonal antibody 8G12 to develop a competitive ELSIA assay and quantified 8G12 competitive antibody (8G12-like antibody) in serum samples. The presence of 8G12-like antibody was detected both from participants from HEV vaccine clinical trial and mice immunized with HEV vaccine...
March 8, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28258506/persistent-hepatitis-e-infection-in-a-patient-with-tuberous-sclerosis-complex-treated-with-everolimus-a-case-report
#11
Wobke E M van Dijk, Menno A M H Vergeer, Joop E Arends
INTRODUCTION: The incidence of hepatitis E (HEV) genotype 3 is rising in developed countries. HEV infections are usually self-limiting, but can become chronic in immunocompromised patients. This might lead to rapid fibrosis development even resulting in cirrhosis. Chronic HEV is mainly described in patients after solid-organ or hematological transplantations. We present the first case of HEV infection in a patient with tuberous sclerosis complex (TSC) treated with everolimus, a mammalian target of rapamycin (mTOR) inhibitor...
March 3, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28249234/evaluation-of-two-vidas-%C3%A2-prototypes-for-detecting-anti-hev-igg
#12
Florence Abravanel, Nadège Goutagny, Corinne Perret, Sébastien Lhomme, Françoise Vischi, Alexandre Aversenq, Aude Chapel, Nathalie Dehainault, Nadia Piga, Jacqueline Dupret-Carruel, Jacques Izopet
BACKGROUND: High performance anti-hepatitis E virus (HEV) IgG assays are crucial for epidemiology. OBJECTIVE: To evaluate the performance of 2 prototypes developed for the VIDAS(®) automatic system for detecting anti-HEV IgG, one based on the ORF2 antigen (ORF2 prototype) and the other on the ORF2 and ORF3 antigens (ORF2/3 prototype), with reference to the Wantai anti-HEV IgG assay. STUDY DESIGN: The sensitivity of each assay was determined by testing 113 blood samples, 63 from immunocompetent and 50 from immunocompromised patients, with a proven HEV infection defined by detecting HEV RNA...
April 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28247042/neuralgic-amyotrophy-triggered-by-hepatitis-e-virus-a-particular-phenotype
#13
Quentin Scanvion, Thierry Perez, François Cassim, Olivier Outteryck, Aurélia Lanteri, Pierre-Yves Hatron, Marc Lambert, Sandrine Morell-Dubois
The neuralgic amyotrophy may be of difficult diagnosis, due to phenotypic variability, with different initial presentations (upper plexus multiple mononeuropathy, lumbosacral involvement, distal reached, phrenic involvement). To date, there is little guidance on these patients' therapeutic management, especially those for which neuralgic amyotrophy is triggered by hepatitis E virus (HEV-NA). The study aims to identify specific features that characterize patients bearing the neuralgic amyotrophy triggered by HEV...
February 28, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28236361/rural-habitat-as-risk-factor-for-hepatitis-e-virus-seroconversion-in-hiv-infected-patients-a-prospective-longitudinal-study
#14
A Rivero-Juarez, F Cuenca-Lopez, A Martinez-Peinado, A Camacho, L M Real, M Frias, A Gordon, S Cantisán, J Torre-Cisneros, J A Pineda, A Rivero
Our objective was to determine the incidence and clinical manifestations of acute hepatitis E virus (HEV) in HIV-infected patients. A prospective longitudinal study including HIV-infected HEV-seronegative patients was conducted; HEV seroconversion (to IgG and/or IgM) was the main outcome variable. All patients were tested for HEV antibodies every 3-6 months. For patients who developed HEV seroconversion, a data collection protocol was followed to identify associated clinical manifestations and analytical alterations...
February 25, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28228493/hepatitis-e-virus-detection-and-quantification-by-an-rt-qpcr-assay-calibrated-to-the-world-health-organization-standard-for-hev-rna
#15
Jeffrey J Germer, Irina Ankoudinova, Yevgeniy S Belousov, Walt Mahoney, Chen Dong, Jihong Meng, Jayawant N Mandrekar, Joseph D Yao
Hepatitis E virus (HEV) has emerged as a cause of chronic hepatitis among immunocompromised patients. Molecular assays have become important tools for the diagnosis and management of these chronically-infected patients. A reverse transcription, real-time PCR (RT-qPCR) assay utilizing Pleiades probe chemistry and an RNA internal control for simultaneous detection and quantification of HEV RNA in human serum was developed based on adaptation of a previously described and broadly reactive primer set targeting the overlapping open reading frame (ORF) 2/3 nucleotide sequence of HEV...
February 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28225788/molecular-detection-and-genotyping-of-enteroviruses-from-csf-samples-of-patients-with-suspected-sepsis-like-illness-and-or-aseptic-meningitis-from-2012-to-2015-in-west-bank-palestine
#16
Kamal Dumaidi, Amer Al-Jawabreh
BACKGROUND: Human enteroviruses (HEVs) are the most frequently reported cause of aseptic meningitis with or without CSF pleocytosis in childhood. Rapid detection and genotype of HEVs is essential to determine the causative agent and variant causing sepsis-like illness and/or aseptic meningitis. AIM: To investigate the molecular epidemiology of enteroviruses (EVs) among patients with sepsis-like illness and/or aseptic meningitis admitted to three major hospitals in West Bank, Palestine from 2012 to 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28219155/-genotype-distribution-of-human-enteroviruses-isolated-from-swage-in-shanghai-during-year-2013-2014
#17
Y Y Li, J Lu, X Z Wang, Y Y Yang, J Fei, L P Zhang, Z Li, C S Li, Y Zuo
Objective: To explore the time and genotype distribution of human enterovirus (HEV) isolated from sewage in Shanghai in 2013-2014. Methods: One sewage sample each was collected from two local sewage plants located in Minhang District and Jiading District on the same day at the day 24-28 of every month from 2013 to 2014. Each sample weighed 1 L. The specimens were concentrated by anionic membrane absorption, eluted with beef extract solution, and then used to inoculate RD, HEp-2, and L20B cell lines. A total of 249 enterovirus strains were isolated from sewage samples during the study period, including 185 non-polio enterovirus (NPEV) and 64 poliovirus (PV) strains, which were identified as vaccine strains...
February 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28219154/-human-enterovirus-infection-status-and-clinical-characteristics-of-274-patients-with-viral-encephalitis-in-henan-province-2011-2012
#18
H X Ma, J J Pan, Y Li, K Kang, X Y Huang, A G You, B L Xu
Objective: To investigate human enterovirus (HEV) infection and clinical characteristics of viral encephalitis patients in Pingdingshan, Henan Province. Methods: Cerebrospinal fluid specimens and epidemiological information were collected from 274 viral encephalitis patients in the departments of pediatrics and neurology in hospitals in Pingdingshan, Henan Province, from April 2011 to August 2012. Patients with bacterial infections were excluded from the study. Demographic information was collected by questionnaires and clinical information was mainly obtained from hospital examinations...
February 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28217126/high-endothelial-venules-and-other-blood-vessels-critical-regulators-of-lymphoid-organ-development-and-function
#19
REVIEW
Ann Ager
The blood vasculature regulates both the development and function of secondary lymphoid organs by providing a portal for entry of hemopoietic cells. During the development of lymphoid organs in the embryo, blood vessels deliver lymphoid tissue inducer cells that initiate and sustain the development of lymphoid tissues. In adults, the blood vessels are structurally distinct from those in other organs due to the requirement for high levels of lymphocyte recruitment under non-inflammatory conditions. In lymph nodes (LNs) and Peyer's patches, high endothelial venules (HEVs) especially adapted for lymphocyte trafficking form a spatially organized network of blood vessels, which controls both the type of lymphocyte and the site of entry into lymphoid tissues...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28216965/mutational-analysis-of-hepatitis-e-virus-orf1-y-domain-effects-on-rna-replication-and-virion-infectivity
#20
Mohammad Khalid Parvez
AIM: To investigate the role of non-structural open reading frame 1 "Y-domain" sequences in the hepatitis E virus (HEV) life cycle. METHODS: Sequences of human HEV Y-domain (amino acid sequences 216-442) and closely-related viruses were analyzed in silico. Site-directed mutagenesis of the Y-domain (HEV SAR55) was carried out and studied in the replicon-baculovirus-hepatoma cell model. In vitro transcribed mRNA (pSK-GFP) constructs were transfected into S10-3 cells and viral RNA replicating GFP-positive cells were scored by flow cytometry...
January 28, 2017: World Journal of Gastroenterology: WJG
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