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Enterovirus D68

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https://www.readbyqxmd.com/read/29329211/causation-of-acute-flaccid-paralysis-by-myelitis-and-myositis-in-enterovirus-d68-infected-mice-deficient-in-interferon-%C3%AE-%C3%AE-%C3%AE-receptor-deficient-mice
#1
John D Morrey, Hong Wang, Brett L Hurst, Katherine Zukor, Venkatraman Siddharthan, Arnaud J Van Wettere, Donal G Sinex, E Bart Tarbet
Enterovirus D68 (EV-D68) caused a large outbreak in the summer and fall of 2014 in the United States. It causes serious respiratory disease, but causation of associated paralysis is controversial, because the virus is not routinely identified in cerebrospinal fluid. To establish clinical correlates with human disease, we evaluated EV-D68 infection in non-lethal paralysis mouse models. Ten-day-old mice lacking interferon responses were injected intraperitoneally with the virus. Paralysis developed in hindlimbs...
January 12, 2018: Viruses
https://www.readbyqxmd.com/read/29323105/enterovirus-d68-virus-like-particles-expressed-in-pichia-pastoris-potently-induce-neutralizing-antibody-responses-and-confer-protection-against-lethal-viral-infection-in-mice
#2
Chao Zhang, Xueyang Zhang, Wei Zhang, Wenlong Dai, Jing Xie, Liping Ye, Hongli Wang, Huan Chen, Qingwei Liu, Sitang Gong, Lanlan Geng, Zhong Huang
Enterovirus D68 (EV-D68) has been increasingly associated with severe respiratory illness and neurological complications in children worldwide. However, no vaccine is currently available to prevent EV-D68 infection. In the present study, we investigated the possibility of developing a virus-like particle (VLP)-based EV-D68 vaccine. We found that co-expression of the P1 precursor and 3CD protease of EV-D68 in Pichia pastoris yeast resulted in the generation of EV-D68 VLPs, which were composed of processed VP0, VP1, and VP3 capsid proteins and were visualized as ~30 nm spherical particles...
January 10, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29295756/a-virus-like-particle-vaccine-confers-protection-against-enterovirus-d68-lethal-challenge-in-mice
#3
Wenlong Dai, Chao Zhang, Xueyang Zhang, Pei Xiong, Qingwei Liu, Sitang Gong, Lanlan Geng, Dongming Zhou, Zhong Huang
Enterovirus D68 (EV-D68) is increasingly associated with severe acute respiratory infection and acute flaccid myelitis (AFM) in children around the world. However, neither vaccines nor therapeutic drugs are available for EV-D68. Here we report the development of a virus-like particle (VLP) based experimental EV-D68 vaccine. We found that EV-D68 VLPs could be successfully generated in insect cells infected with a recombinant baculovirus co-expressing the P1 precursor and 3CD protease of EV-D68. Biochemical and electron microscopic analyses revealed that EV-D68 VLPs were composed of VP0, VP1, and VP3 capsid proteins derived from precursor P1 and were visualized as spherical particles of ∼30 nm in diameter...
December 30, 2017: Vaccine
https://www.readbyqxmd.com/read/29230194/acute-flaccid-paralysis-by-enterovirus-d68-infection-first-italian-description-in-adult-patient-and-role-of-electrophysiology
#4
Marco Ceccanti, Emilia Sbardella, Federica Letteri, Manuela De Michele, Anne Falcou, Federica Romanzi, Emanuela Onesti, Maurizio Inghilleri
A Peruvian woman was admitted to the Emergency Department, due to an acute flaccid paralysis (AFP) of the upper limbs that progressively involved also lower limbs and respiratory muscles. She previously suffered from non-Hodgkin's lymphoma and had to undergo hematopoietic stem cell transplantation. A magnetic resonance imaging showed a T2 hyperintensity in the anterior and central region of the cervical segment with an elective involvement of gray matter. This finding, combined with other clinical, laboratory, and electrophysiological data, led to a diagnosis of AFP...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29189674/concurrent-community-transmission-of-enterovirus-d68-with-human-rhinoviruses-and-respiratory-syncytial-virus-among-children-in-sendai-japan
#5
Takaya Metoki, Michiko Okamoto, Akira Suzuki, Setsuko Kitaoka, Hiroki Miyabayashi, Yuka Rokugo, Ryoichi Onuma, Suguru Ohmiya, Ko Sato, Hidekazu Nishimura, Hitoshi Oshitani, Satoru Kumaki, Rie Noguchi, Taiki Sato, Yohei Watanabe
BACKGROUND: In the autumn of 2015, we experienced a surge in the number of pediatric cases of wheeze in our hospital, which was suspected to be caused by enterovirus (EV)-D68 transmission in the community. Thus, we implemented an ad hoc retrospective surveillance for EV-D68. METHODS: Patients aged < 15 years old with acute respiratory infection were eligible for inclusion in this study. All enrolled patients underwent virus detection test. Additionally, neutralization tests (NTs) were performed using the stored serum samples of the enrolled patients to compare the antigenicity of the virus isolated in this study with that isolated in 2010 and evaluate the anti-EV-D68 antibody prevalence...
November 17, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29186347/severe-respiratory-illness-associated-with-rhinovirus-during-the-ev-d68-outbreak-in-the-united-states-august-november-2014
#6
Mila M Prill, Rebecca Dahl, Claire M Midgley, Shur-Wern Wang Chern, Xiaoyan Lu, Daniel Feikin, Senthilkumar K Sakthivel, W Allan Nix, John Watson, Susan I Gerber, M Steven Oberste
BACKGROUND: In 2014, a nationwide outbreak of severe respiratory illness occurred in the United States, primarily associated with enterovirus D-68 (EV-D68). A proportion of illness was associated with rhinoviruses and other enteroviruses, which we aimed to characterize further. METHODS: Respiratory specimens from pediatric and adult patients with respiratory illness were submitted to CDC during August - November 2014. While initial laboratory testing focused on identification of EV-D68, the negative specimens were typed by molecular sequencing to identify additional enterovirus (EV) and rhinovirus (RV) types...
November 23, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29181601/acute-flaccid-myelitis-etiologic-challenges-diagnostic-and-management-considerations
#7
REVIEW
Sarah E Hopkins
PURPOSE OF REVIEW: Purpose of review Acute flaccid myelitis is a polio-like illness defined by the acute onset of flaccid paralysis in the setting spinal MRI demonstrating a longitudinal lesion in the gray matter of the cord. This paper aims to review the current state of knowledge and key clinical points for the diagnosis and management of acute flaccid myelitis. RECENT FINDINGS: Recent findings There were clusters of AFM noted in California and Colorado in 2014, with additional cases across the USA that year, and another spike in cases in 2016...
November 28, 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/29162476/prevention-and-treatment-of-respiratory-viral-infections-presentations-on-antivirals-traditional-therapies-and-host-directed-interventions-at-the-5th-isirv-antiviral-group-conference
#8
Jennifer L McKimm-Breschkin, Shibo Jiang, David S Hui, John H Beigel, Elena A Govorkova, Nelson Lee
The International Society for Influenza and other Respiratory Virus Diseases held its 5th Antiviral Group (isirv-AVG) Conference in Shanghai, China, in conjunction with the Shanghai Public Health Center and Fudan University from 14-16 June, 2017. The three-day programme encompassed presentations on some of the clinical features, management, immune responses and virology of respiratory infections, including influenza A(H1N1)pdm09 and A(H7N9) viruses, MERS-CoV, SARS-CoV, adenovirus Type 80, enterovirus D68, metapneumovirus and respiratory syncytial virus (RSV)...
November 18, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29162204/surveillance-and-laboratory-detection-for-non-polio-enteroviruses-in-the-european-union-european-economic-area-2016
#9
Heli Harvala, Aftab Jasir, Pasi Penttinen, Lucia Pastore Celentano, Donato Greco, Eeva Broberg
Enteroviruses (EVs) cause severe outbreaks of respiratory and neurological disease as illustrated by EV-D68 and EV-A71 outbreaks, respectively. We have mapped European laboratory capacity for identification and characterisation of non-polio EVs to improve preparedness to respond to (re)-emerging EVs linked to severe disease. An online questionnaire on non-polio EV surveillance and laboratory detection was submitted to all 30 European Union (EU)/European Economic Area (EEA) countries. Twenty-nine countries responded; 26 conducted laboratory-based non-polio EV surveillance, and 24 included neurological infections in their surveillance...
November 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/29153065/-genotypes-of-rhinoviruses-in-children-and-adults-patients-with-acute-respiratory-tract-infections
#10
Eda Demirkan, Sevin Kırdar, Emel Ceylan, Ayşe Yenigün, İmran Kurt Ömürlü
Rhinovirus (RV) is one of the most frequent causative agent of acute respiratory tract infections in the world. The virus may cause a mild cold, as well as more serious clinical symptoms in patients with immune system deficiency or comorbidities. Rhinoviruses have been identified by molecular methods under three types: RV-A, RV-B and RV-C. In most of the cases, it was reported that RV-A and RV-C were related with lower respiratory tract infections and asthma exacerbations, while RV-B was rarely reported in lower respiratory tract infections...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29119851/clinical-characteristics-of-children-infected-with-enterovirus-d68-in-an-outpatient-clinic-and-the-association-with-bronchial-asthma
#11
Tsutomu Itagaki, Yoko Aoki, Yohei Matoba, Shizuka Tanaka, Tatsuya Ikeda, Katsumi Mizuta, Yoko Matsuzaki
BACKGROUND: All reports of increases in severe respiratory disease associated with human enterovirus D68 (EV-D68) are from hospital settings. However, there are few reports describing clinical characteristics in less severely affected populations. METHODS: We conducted a retrospective observational study from January 2010 to December 2015 in Yamagata, Japan. Using regional passive surveillance, 5794 respiratory specimens were collected from children who initially presented to an outpatient clinic with acute respiratory symptoms...
November 9, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/29028962/clinical-features-of-acute-flaccid-myelitis-temporally-associated-with-an-enterovirus-d68-outbreak-results-of-a-nationwide-survey-of-acute-flaccid-paralysis-in-japan-august-december-2015
#12
Pin Fee Chong, Ryutaro Kira, Harushi Mori, Akihisa Okumura, Hiroyuki Torisu, Sawa Yasumoto, Hiroyuki Shimizu, Tsuguto Fujimoto, Nozomu Hanaoka, Susumu Kusunoki, Toshiyuki Takahashi, Kazunori Oishi, Keiko Tanaka-Taya
Backgroud: Acute flaccid myelitis (AFM) is an acute flaccid paralysis (AFP) syndrome with spinal motor neuron involvement of unknown etiology. We investigated the characteristics and prognostic factors of AFM clusters coincident with an enterovirus D68 (EV-D68) outbreak in Japan during autumn 2015. Methods: An AFM case series study was conducted following a nationwide survey from August to December 2015. Radiographic and neurophysiologic data were subjected to centralized review, and virology studies were conducted for available specimens...
October 6, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28968718/evaluating-treatment-efficacy-in-a-mouse-model-of-enterovirus-d68-paralytic-myelitis
#13
Alison M Hixon, Penny Clarke, Kenneth L Tyler
Background: Enterovirus D68 (EV-D68) associated acute flaccid myelitis (AFM) is a devastating neurological disease for which there are no treatments of proven efficacy. The unpredictable temporal and geographic distribution of cases, and the rarity of the disease, make it unlikely that data from randomized controlled trials will be available to guide therapeutic decisions. We evaluated three widely used empiric therapies: (1) human intravenous immunoglobulin (hIVIG), (2) fluoxetine, and (3) dexamethasone, for the ability to reduce the severity of paralysis in a mouse model of EV-D68 infection...
September 13, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28930024/enterovirus-d68-associated-acute-flaccid-myelitis-in-immunocompromised-woman-italy
#14
Emanuela Giombini, Martina Rueca, Walter Barberi, Anna Paola Iori, Concetta Castilletti, Paola Scognamiglio, Francesco Vairo, Giuseppe Ippolito, Maria Rosaria Capobianchi, Maria Beatrice Valli
In Italy in 2016, acute flaccid myelitis developed in a woman who had received a hematopoietic stem cell transplant. Enterovirus D68 viral genome was detected in respiratory and cerebrospinal fluid samples, and the viral protein 1 sequence clustered with lineage B3. Immunocompromised adults may be at risk for enterovirus D68-associated neurologic complications.
October 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28927884/enterovirus-d68-acute-flaccid-paresis-destroying-young-lives
#15
EDITORIAL
Paul Eunson
No abstract text is available yet for this article.
November 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28902862/distinct-genetic-clades-of-enterovirus-d68-detected-in-2010-2013-and-2015-in-osaka-city-japan
#16
Atsushi Kaida, Nobuhiro Iritani, Seiji P Yamamoto, Daiki Kanbayashi, Yuki Hirai, Masao Togawa, Kiyoko Amo, Urara Kohdera, Toshinori Nishigaki, Masashi Shiomi, Sadasaburo Asai, Tsutomu Kageyama, Hideyuki Kubo
The first upsurge of enterovirus D68 (EV-D68), a causative agent of acute respiratory infections (ARIs), in Japan was reported in Osaka City in 2010. In this study, which began in 2010, we surveyed EV-D68 in children with ARIs and analyzed sequences of EV-D68 strains detected. Real-time PCR of 19 respiratory viruses or subtypes of viruses, including enterovirus, was performed on 2,215 specimens from ARI patients (<10 years of age) collected between November 2010 and December 2015 in Osaka City, Japan. EV-D68 was identified in 18 enterovirus-positive specimens (n = 4 in 2013, n = 1 in 2014, and n = 13 in 2015) by analysis of viral protein 1 (VP1) or VP4 sequences, followed by a BLAST search for similar sequences...
2017: PloS One
https://www.readbyqxmd.com/read/28852711/enterovirus-d68-in-viet-nam-2009-2015
#17
Nguyen Thi Han Ny, Nguyen To Anh, Vu Thi Ty Hang, Lam Anh Nguyet, Tran Tan Thanh, Do Quang Ha, Ngo Ngoc Quang Minh, Do Lien Anh Ha, Angela McBride, Ha Manh Tuan, Stephen Baker, Pham Thi Thanh Tam, Tran My Phuc, Dang Thao Huong, Tran Quoc Loi, Nguyen Tran Anh Vu, Nguyen Van Hung, Tran Thi Thuy Minh, Nguyen Van Xang, Nguyen Dong, Ho Dang Trung Nghia, Nguyen Van Vinh Chau, Guy Thwaites, H Rogier van Doorn, Catherine Anscombe, Tan Le Van
BACKGROUND: Since 1962, enterovirus D68 (EV-D68) has been implicated in multiple outbreaks and sporadic cases of respiratory infection worldwide, but especially in the USA and Europe with an increasing frequency between 2010 and 2014. We describe the detection, associated clinical features and molecular characterization of EV-D68 in central and southern Viet Nam between 2009 and 2015. METHODS: Enterovirus/rhinovirus PCR positive respiratory or CSF samples taken from children and adults with respiratory/central nervous system infections in Viet Nam were tested by an EV-D68 specific PCR...
2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28832298/-enterovirus-type-d68-and-acute-flaccid-paralysis-a-new-duo
#18
J T van Dissel, A Meijer
Following a case of acute flaccid paralysis after infection with enterovirus type D68, we highlight current understanding of the causal role of enterovirus infection in this neurological syndrome. Acute flaccid paralysis is a rare complication of enterovirus infections. Such viruses have become a more common cause of severe respiratory-tract infections, especially in children with underlying lung disease such as asthma.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28832294/-acute-flaccid-myelitis-after-a-respiratory-tract-infection-first-dutch-case-related-to-enterovirus-type-d68-infection
#19
J Helfferich, E M Kingma, L C Meiners, E H Schölvinck, H D Mulder, O F Brouwer
BACKGROUND: Acute flaccid myelitis (AFM) is a relatively rare disorder affecting the anterior horn of the spinal cord and brain stem. It is characterised by rapid progressive weakness of the limbs and respiratory muscles, often combined with cranial nerve dysfunction. This used to be seen in infections with the polio virus, but in recent years, AFM has been mainly associated with enterovirus D68 infection. CASE DESCRIPTION: A boy of nearly 4 years-old developed rapidly progressive weakness and respiratory failure after an upper airway infection...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28819079/-an-adult-case-of-enterovirus-d68-encephalomyelitis-presenting-as-bilateral-facial-nerve-palsy-and-dysphagia
#20
Yuta Kusabe, Akari Takeshima, Azusa Seino, Mana Nishida, Mami Takahashi, Shota Yamada, Junsuke Shimbo, Aki Sato, Kouichirou Okamoto, Shuichi Igarashi
A 33-year-old man was admitted to our hospital with bilateral facial nerve paralysis, dysphagia, and muscle weakness in the neck and trunk following fever, headache and throat pain. T<sub>2</sub>-weighted brain magnetic resonance imaging (MRI) showed hyperintense lesions in the tegmentum of the brain stem and the ventral region of the superior cervical cord. Based on the characteristic findings on the brain MRI, we diagnosed the patient with enteroviral encephalomyelitis. Steroid therapy was administered; however, his bilateral facial nerve paralysis and dysphagia were refractory to this therapy...
August 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
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