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https://www.readbyqxmd.com/read/29907902/an-environmental-surveillance-in-uruguay-reveals-the-presence-of-highly-divergent-types-of-human-enterovirus-species-c-and-a-high-frequency-of-species-a-and-b-types
#1
Andrés Lizasoain, Fernanda M Burlandy, Matías Victoria, Luis F López Tort, Edson E da Silva, Rodney Colina
Information about Human Enterovirus circulation in Uruguay is scarce. The aim of this study was to generate the first description about their circulation in the country through the study of sewage samples collected before and after the switch from Oral Poliovirus Vaccine to Inactivated Poliovirus Vaccine. Viruses were concentrated by an adsorption-elution to a negatively charged membrane, and real-time quantitative PCR and qualitative PCR methods were used to detect, quantify, and characterize enteroviruses...
June 16, 2018: Food and Environmental Virology
https://www.readbyqxmd.com/read/29778790/applicability-of-integrated-cell-culture-reverse-transcriptase-quantitative-pcr-icc-rtqpcr-for-the-simultaneous-detection-of-the-four-human-enteric-enterovirus-species-in-disinfection-studies
#2
Hodon Ryu, Karen A Schrantz, Nichole E Brinkman, Laura A Boczek
A newly developed integrated cell culture reverse transcriptase quantitative PCR (ICC-RTqPCR) method and its applicability in UV disinfection studies is described. This method utilizes a cell culture system coupled with four RTqPCR assays to detect four species of human enterovirus (e.g., Enterovirus A, Enterovirus B, Enterovirus C and Enterovirus D). Evaluation of the RTqPCR assays was conducted with coxsackievirus A10, echovirus 30, poliovirus 1 and enterovirus 70 and resulted in 100% specificity for the tested assays...
May 17, 2018: Journal of Virological Methods
https://www.readbyqxmd.com/read/29764161/the-emerging-role-of-oncolytic-virus-therapy-against-cancer
#3
Luke Russell, Kah-Whye Peng
This review discusses current clinical advancements in oncolytic viral therapy, with a focus on the viral platforms approved for clinical use and highlights the benefits each platform provides. Three oncolytic viruses (OVs), an echovirus, an adenovirus, and a herpes simplex-1 virus, have passed governmental regulatory approval in Latvia, China, and the USA and EU. Numerous other recombinant viruses from diverse families are in clinical testing in cancer patients and we highlight the design features of selected examples, including adenovirus, herpes simplex virus, measles virus, retrovirus, reovirus, vaccinia virus, vesicular stomatitis virus...
April 2018: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/29700151/genome-sequences-of-rigvir-oncolytic-virotherapy-virus-and-five-other-echovirus-7-isolates
#4
Eero Hietanen, Teemu Smura, Marika Hakanen, Jira Chansaenroj, Pirjo Merilahti, Janne Nevalainen, Sunita Pandey, Satu Koskinen, Lav Tripathi, Yong Poovorawan, Juha Pursiheimo, Petri Susi
We report here the nearly complete Illumina-sequenced consensus genome sequences of six isolates of echovirus 7 (E7), including oncolytic virotherapy virus RIGVIR and the Wallace prototype. Amino acid identities within the coding region were highly conserved across all isolates, ranging from 95.31% to 99.73%.
April 26, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29698664/novel-activities-of-safe-in-human-broad-spectrum-antiviral-agents
#5
Aleksandr Ianevski, Eva Zusinaite, Suvi Kuivanen, Mårten Strand, Hilde Lysvand, Mona Teppor, Laura Kakkola, Henrik Paavilainen, Mira Laajala, Hannimari Kallio-Kokko, Miia Valkonen, Anu Kantele, Kaidi Telling, Irja Lutsar, Pille Letjuka, Natalja Metelitsa, Valentyn Oksenych, Magnar Bjørås, Svein Arne Nordbø, Uga Dumpis, Astra Vitkauskiene, Christina Öhrmalm, Kåre Bondeson, Anders Bergqvist, Tero Aittokallio, Rebecca J Cox, Magnus Evander, Veijo Hukkanen, Varpu Marjomaki, Ilkka Julkunen, Olli Vapalahti, Tanel Tenson, Andres Merits, Denis Kainov
According to the WHO, there is an urgent need for better control of viral diseases. Re-positioning existing safe-in-human antiviral agents from one viral disease to another could play a pivotal role in this process. Here, we reviewed all approved, investigational and experimental antiviral agents, which are safe in man, and identified 59 compounds that target at least three viral diseases. We tested 55 of these compounds against eight different RNA and DNA viruses. We found novel activities for dalbavancin against echovirus 1, ezetimibe against human immunodeficiency virus 1 and Zika virus, as well as azacitidine, cyclosporine, minocycline, oritavancin and ritonavir against Rift valley fever virus...
June 2018: Antiviral Research
https://www.readbyqxmd.com/read/29651498/hand-foot-and-mouth-disease-and-echovirus-3-a-comment-to-h%C3%A3-gsberg-and-bygum
#6
Pascal Del Giudice, Thomas Hubiche
No abstract text is available yet for this article.
April 12, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29626210/the-life-cycle-of-non-polio-enteroviruses-and-how-to-target-it
#7
REVIEW
Jim Baggen, Hendrik Jan Thibaut, Jeroen R P M Strating, Frank J M van Kuppeveld
The genus Enterovirus (EV) of the family Picornaviridae includes poliovirus, coxsackieviruses, echoviruses, numbered enteroviruses and rhinoviruses. These diverse viruses cause a variety of diseases, including non-specific febrile illness, hand-foot-and-mouth disease, neonatal sepsis-like disease, encephalitis, paralysis and respiratory diseases. In recent years, several non-polio enteroviruses (NPEVs) have emerged as serious public health concerns. These include EV-A71, which has caused epidemics of hand-foot-and-mouth disease in Southeast Asia, and EV-D68, which recently caused a large outbreak of severe lower respiratory tract disease in North America...
June 2018: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/29593492/enteroviral-infection-the-forgotten-link-to-amyotrophic-lateral-sclerosis
#8
REVIEW
Yuan Chao Xue, Ralph Feuer, Neil Cashman, Honglin Luo
Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disease that primarily attacks motor neurons in the brain and spinal cord, leading to progressive paralysis and ultimately death. Currently there is no effective therapy. The majority of ALS cases are sporadic, with no known family history; unfortunately the etiology remains largely unknown. Contribution of Enteroviruses (EVs), a family of positive-stranded RNA viruses including poliovirus, coxsackievirus, echovirus, enterovirus-A71 and enterovirus-D68, to the development of ALS has been suspected as they can target motor neurons, and patients with prior poliomyelitis show a higher risk of motor neuron disease...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29554133/evolution-of-echovirus-11-in-a-chronically-infected-immunodeficient-patient
#9
Majid Laassri, Tatiana Zagorodnyaya, Sharon Hassin-Baer, Rachel Handsher, Danit Sofer, Merav Weil, Konstantinos Karagiannis, Vahan Simonyan, Konstantin Chumakov, Lester Shulman
Deep sequencing was used to determine complete nucleotide sequences of echovirus 11 (EV11) strains isolated from a chronically infected patient with CVID as well as from cases of acute enterovirus infection. Phylogenetic analysis showed that EV11 strains that circulated in Israel in 1980-90s could be divided into four clades. EV11 strains isolated from a chronically infected individual belonged to one of the four clades and over a period of 4 years accumulated mutations at a relatively constant rate. Extrapolation of mutations accumulation curve into the past suggested that the individual was infected with circulating EV11 in the first half of 1990s...
March 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29475814/complete-genome-sequence-of-a-multi-recombinant-echovirus-6-strain-isolated-from-csf-in-ahvaz-southwestern-iran
#10
Samaneh Abbasi, Manoochehr Makvandi, Ali Teimoori, Alireza Samarbaf-Zadeh
BACKGROUND: Echovirus 6 (E6), is one of the main enteroviral serotypes, was initially isolated from patients with aseptic meningitis (AM) and is a major cause of hospitalization among children and adults worldwide. METHODS: A cerebrospinal fluid (CSF) sample was collected from patient with clinically suspected aseptic meningitis (AM) in August 2011. Following detection of a virus and subsequent virus serotyping, the whole genome sequence was determined. The sequence of the VP1 region of the isolated strain E6 RA/E6/Ahvaz/Iran/2011 showed 79% (>75%) nucleotide and 94% (>85%) amino acid homology with prototype strain D'Amori...
April 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29466658/variability-in-disinfection-resistance-between-currently-circulating-enterovirus-b-serotypes-and-strains
#11
Simon Meister, Matthew E Verbyla, Marius Klinger, Tamar Kohn
The susceptibility of waterborne viruses to disinfection is known to vary between viruses and even between closely related strains, yet the extent of this variation is not known. Here, different enteroviruses (six strains of coxsackievirus B5, two strains of coxsackievirus B4 and one strain of coxackievirus B1) were isolated from wastewater and inactivated by UV254 , sunlight, free chlorine (FC), chlorine dioxide (ClO2 ), and heat. Inactivation kinetics of these isolates were compared with those of laboratory enterovirus strains (CVB5 Faulkner and echovirus 11 Gregory) and MS2 bacteriophage...
March 20, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29463289/strain-dependent-effects-of-clinical-echovirus-30-outbreak-isolates-at-the-blood-csf-barrier
#12
Tobias Dahm, Ortwin Adams, Sindy Boettcher, Sabine Diedrich, Vasily Morozov, Grant Hansman, Petra Fallier-Becker, Sebastian Schädler, Claus J Burkhardt, Christel Weiss, Carolin Stump-Guthier, Hiroshi Ishikawa, Horst Schroten, Christian Schwerk, Tobias Tenenbaum, Henriette Rudolph
BACKGROUND: Echovirus (E) 30 (E-30) meningitis is characterized by neuroinflammation involving immune cell pleocytosis at the protective barriers of the central nervous system (CNS). In this context, infection of the blood-cerebrospinal fluid barrier (BCSFB), which has been demonstrated to be involved in enteroviral CNS pathogenesis, may affect the tight junction (TJ) and adherens junction (AJ) function and morphology. METHODS: We used an in vitro human choroid plexus epithelial (HIBCPP) cell model to investigate the effect of three clinical outbreak strains (13-311, 13-759, and 14-397) isolated in Germany in 2013, and compared them to E-30 Bastianni...
February 20, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29425680/new-coxsackievirus-2a-pro-and-3c-pro-protease-antibodies-for-virus-detection-and-discovery-of-pathogenic-mechanisms
#13
Olli H Laitinen, Emma Svedin, Sebastian Kapell, Minna M Hankaniemi, Pär G Larsson, Erna Domsgen, Virginia M Stone, Juha A E Määttä, Heikki Hyöty, Vesa P Hytönen, Malin Flodström-Tullberg
Enteroviruses (EVs), such as the Coxsackie B-viruses (CVBs), are common human pathogens, which can cause severe diseases including meningitis, myocarditis and neonatal sepsis. EVs encode two proteases (2Apro and 3Cpro ), which perform the proteolytic cleavage of the CVB polyprotein and also cleave host cell proteins to facilitate viral replication. The 2Apro cause direct damage to the infected heart and tools to investigate 2Apro and 3Cpro expression may contribute new knowledge on virus-induced pathologies...
May 2018: Journal of Virological Methods
https://www.readbyqxmd.com/read/29410201/cerebrospinal-fluid-features-in-adults-with-enteroviral-nervous-system-infection
#14
Jonas Ahlbrecht, Lilly Katrin Hillebrand, Philipp Schwenkenbecher, Tina Ganzenmueller, Albert Heim, Ulrich Wurster, Martin Stangel, Kurt-Wolfram Sühs, Thomas Skripuletz
OBJECTIVES: The aim of this study was to investigate the clinical and laboratory features of adults with nervous system infections caused by enteroviruses, with special emphasis on cerebrospinal fluid (CSF). METHODS: The data of 46 patients who were PCR-positive for enteroviruses in the CSF between 2002 and 2017 were evaluated. RESULTS: Meningitis was the most common clinical manifestation (89%), followed by encephalitis (7%) and isolated cranial nerve involvement (4%)...
March 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29407377/analysis-of-enterovirus-types-in-patients-with-symptoms-of-aseptic-meningitis-in-2014-in-shandong-china
#15
Peng Chen, Xiaojuan Lin, Guifang Liu, Suting Wang, Lizhi Song, Zexin Tao, Aiqiang Xu
We reviewed the epidemiological and clinical characteristics of 927 aseptic meningitis patients in Shandong in 2014, and the phylogeny of predominant enterovirus (EV) types causing this disease was analyzed. A total of 209 patients that were positive for EV were identified by both cell culture and a reverse transcription-seminested PCR in cerebrospinal fluid samples. The positive patients were most likely to be children within 15 years of age, had symptoms such as fever, vomiting and nausea (P< .05). The 209 EV sequences belonged to 11 types, and coxsackievirus B5, echovirus types 6 and 30 were predominant types...
March 2018: Virology
https://www.readbyqxmd.com/read/29372173/acute-transverse-myelitis-caused-by-echovirus-11-in-a-pediatric-patient-case-report-and-review-of-the-current-literature
#16
Heidi L Moline, Peter I Karachunski, Anna Strain, Jayne Griffith, Cynthia Kenyon, Mark R Schleiss
A 12-year-old boy presented with acute flaccid weakness of the right upper extremity and was found to have acute flaccid myelitis with transverse myelitis involving the cervical cord (C1-T1). An interdisciplinary team-based approach was undertaken, including input from a generalist, an infectious diseases physician, and a pediatric neurologist. Consultation was sought from the Minnesota Department of Health to investigate for a potential etiology and source of the responsible infection. Evaluation for an infectious etiology demonstrated infection with human echovirus 11...
2018: Child Neurology Open
https://www.readbyqxmd.com/read/29356522/kinetics-of-inactivation-of-waterborne-enteric-viruses-by-ozone
#17
Camille Wolf, Urs von Gunten, Tamar Kohn
Ozone is an effective disinfectant against all types of waterborne pathogens. However, accurate and quantitative kinetic data regarding virus inactivation by ozone are scarce, because of the experimental challenges associated with the high reactivity of ozone toward viruses. Here, we established an experimental batch system that allows tailoring and quantifying of very low ozone exposures and simultaneously measuring virus inactivation. Second-order ozone inactivation rate constants (kO3 -virus ) of five enteric viruses [laboratory and two environmental strains of coxsackievirus B5 (CVF, CVEnv1, and CVEnv2), human adenovirus (HAdV), and echovirus 11 (EV)] and four bacteriophages (MS2, Qβ, T4, and Φ174) were measured in buffered solutions...
February 20, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29323107/serological-survey-of-neutralizing-antibodies-to-eight-major-enteroviruses-among-healthy-population
#18
Rui Zhu, Tong Cheng, Zhichao Yin, Dongxiao Liu, Longfa Xu, Yongchao Li, Wei Wang, Jian Liu, Yuqiong Que, Xiangzhong Ye, Qiyi Tang, Qinjian Zhao, Shengxiang Ge, Shuizhen He, Ningshao Xia
Human enteroviruses (EVs) are the most common causative agents infecting human, causing many harmful diseases, such as hand, foot, and mouth disease (HFMD), herpangina (HA), myocarditis, encephalitis, and aseptic meningitis. EV-related diseases pose a serious worldwide threat to public health. To gain comprehensive insight into the seroepidemiology of major prevalent EVs in humans, we firstly performed a serological survey for neutralizing antibodies (nAbs) against Enterovirus A71 (EV-A71), Coxsackie virus A16 (CV-A16), Coxsackie virus A6 (CV-A6), Coxsackie virus A10 (CV-A10), Coxsackie virus B3 (CV-B3), Coxsackie virus B5 (CV-B5), Echovirus 25 (ECHO25), and Echovirus 30 (ECHO30) among the healthy population in Xiamen City in 2016, using micro-neutralization assay...
January 10, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29248990/large-scale-survey-of-human-enteroviruses-in-wastewater-treatment-plants-of-a-metropolitan-area-of-southern-italy
#19
Francesca Pennino, Antonio Nardone, Paolo Montuori, Sara Aurino, Ida Torre, Andrea Battistone, Roberto Delogu, Gabriele Buttinelli, Stefano Fiore, Concetta Amato, Maria Triassi
Human enteroviruses (HEVs) occur in high concentrations in wastewater and can contaminate receiving environmental waters, constituting a major cause of acute waterborne disease worldwide. In this study, we investigated the relative abundance, occurrence, and seasonal distribution of polio and other enteroviruses at three wastewater treatment plants (WWTPs) in Naples, Southern Italy, from January 2010 to December 2014. Influent and effluent samples from the three WWTPs were collected monthly. One hundred and sixty-one of the 731 wastewater samples collected (22...
December 16, 2017: Food and Environmental Virology
https://www.readbyqxmd.com/read/29225923/experimental-adaptation-of-human-echovirus-11-to-ultraviolet-radiation-leads-to-resistance-to-disinfection-and-ribavirin
#20
Anna Carratalà, Hyunjin Shim, Qingxia Zhong, Virginie Bachmann, Jeffrey D Jensen, Tamar Kohn
Ultraviolet light in the UVC range is a commonly used disinfectant to control viruses in clinical settings and water treatment. However, it is currently unknown whether human viral pathogens may develop resistance to such stressor. Here, we investigate the adaptation of an enteric pathogen, human echovirus 11, to disinfection by UVC, and characterized the underlying phenotypic and genotypic changes. Repeated exposure to UVC lead to a reduction in the UVC inactivation rate of approximately 15 per cent compared to that of the wild-type and the control populations...
July 2017: Virus Evolution
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