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https://www.readbyqxmd.com/read/28088124/nipah-virus-transmission-of-a-zoonotic-paramyxovirus
#1
REVIEW
Bronwyn Anne Clayton
Nipah virus is a recently-recognised, zoonotic paramyxovirus that causes severe disease and high fatality rates in people. Outbreaks have occurred in Malaysia, Singapore, India and Bangladesh, and a putative Nipah virus was also recently associated with human disease in the Philippines. Worryingly, human-to-human transmission is common in Bangladesh, where outbreaks occur with near-annual frequency. Onward human transmission of Nipah virus in Bangladesh is associated with close contact with clinically-unwell patients or their infectious secretions...
January 11, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28069071/sporadic-cases-of-adult-measles-a-research-article
#2
Ranjan Premaratna, Nathasha Luke, Harsha Perera, Mahesh Gunathilake, Pubudu Amarasena, T G A Nilmini Chandrasena
BACKGROUND: Measles caused by a paramyxovirus, characterized by fever, malaise, cough, coryza conjunctivitis, a maculopapular rash is known to result in pneumonia, encephalitis and death. Fatal cases of measles in Sri Lanka are rare after implementation of the National Immunization Programme in 1984. Thereafter 0.1% case fatality rate was observed during October 1999-June 2000 which is a very low figure compared to other regional countries. Immunization guidelines were further revised in 2001, 2011 and in 2012 when additional immunization was recommended to age group 4-21 years; who are likely to have inadequate immunization, in order to achieve elimination of Measles by 2020...
January 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28067018/global-quantitative-proteomic-analysis-profiles-host-protein-expression-in-response-to-sendai-virus-infection
#3
Sheng-Lin Zhu, Xi Chen, Liang-Jie Wang, Wei-Wei Wan, Qi-Lin Xin, Wei Wang, Gengfu Xiao, Lei-Ke Zhang
Sendai virus is an enveloped non-segmented negative-strand RNA virus that belongs to the genus Respirovirus of the Paramyxoviridae family. As a model pathogen, SeV has been extensively studied to define the basic biochemical and molecular biologic properties of the paramyxoviruses. In addition, SeV-infected host cells were widely employed to uncover the mechanism of innate immune response. To identify proteins involved in the SeV infection process or the SeV-induced innate immune response process, system-wide evaluations of SeV-host interactions have been performed...
January 9, 2017: Proteomics
https://www.readbyqxmd.com/read/28065183/paramyxovirus-outbreak-in-a-long-term-care-facility-the-challenges-of-implementing-infection-control-practices-in-a-congregate-setting
#4
Steven Schaeffer Spires, H Keipp Talbot, Carolyn A Pope, Thomas R Talbot
OBJECTIVE We report an outbreak of respiratory syncytial virus (RSV) and human metapneumovirus (HMPV) infections in a dementia care ward containing 2 separately locked units (A and B) to heighten awareness of these pathogens in the older adult population and highlight some of the infection prevention challenges faced during a noninfluenza respiratory viral outbreak in a congregate setting. METHODS Cases were defined by the presence of new signs or symptoms that included (1) a single oral temperature ≥ 37...
January 9, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28060559/understanding-the-interaction-between-henipaviruses-and-their-natural-host-fruit-bats-paving-the-way-toward-control-of-highly-lethal-infection-in-humans
#5
François Enchéry, Branka Horvat
Hendra virus and Nipah virus (NiV) are highly pathogenic zoonotic paramyxoviruses, from henipavirus genus, that have emerged in late 1990s in Australia and South-East Asia, respectively. Since their initial identification, numerous outbreaks have been reported, affecting both domestic animals and humans, and multiple rounds of person-to-person NiV transmission were observed. Widely distributed fruit bats from Pteropodidae family were found to be henipavirus natural reservoir. Numerous studies have reported henipavirus seropositivity in pteropid bats, including bats in Africa, thus expanding notably the geographic distribution of these viruses...
January 6, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28053100/heat-shock-protein-90-ensures-efficient-mumps-virus-replication-by-assisting-with-viral-polymerase-complex-formation
#6
Hiroshi Katoh, Toru Kubota, Yuichiro Nakatsu, Maino Tahara, Minoru Kidokoro, Makoto Takeda
: Paramyxoviral RNAs are synthesized by a viral RNA-dependent RNA polymerase (RdRp) consisting of the large (L) protein and its cofactor phosphoprotein (P protein). The L protein is a multifunctional protein that catalyzes RNA synthesis, mRNA capping and mRNA polyadenylation. Growing evidence shows that the stability of several paramyxovirus L proteins is regulated by heat shock protein 90 (Hsp90). In this study, we demonstrated that Hsp90 activity was important for mumps virus (MuV) replication...
January 4, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28039563/implications-of-oxidative-stress-on-viral-pathogenesis
#7
REVIEW
Fernanda Caetano Camini, Camila Carla da Silva Caetano, Letícia Trindade Almeida, Cintia Lopes de Brito Magalhães
Reactive species are frequently formed after viral infections. Antioxidant defences, including enzymatic and non-enzymatic components, protect against reactive species, but sometimes these defences are not completely adequate. An imbalance in the production of reactive species and the body's inability to detoxify these reactive species is referred to as oxidative stress. The aim of this review is to analyse the role of oxidative stress in the pathogenesis of viral infections and highlight some major therapeutic approaches that have gained importance, with regards to controlling virus-induced oxidative injury...
December 30, 2016: Archives of Virology
https://www.readbyqxmd.com/read/28024854/how-efficacious-are-vaccines-against-bovine-respiratory-syncytial-virus-in-cattle
#8
John A Ellis
Bovine respiratory syncytial virus (BRSV) is a paramyxovirus that is the major cause of pneumonia in calves. Vaccines for this important pathogen have been available since the late 1970's. This review is a critical assessment of the literature including, experimental challenge studies and field trials, that address the efficacy of commonly used vaccines to control respiratory disease caused by BRSV.
December 5, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/28004012/newcastle-disease-in-nigeria-epizootiology-and-current-knowledge-of-circulating-genotypes
#9
REVIEW
Ismaila Shittu, Tony M Joannis, Georgina N Odaibo, Olufemi D Olaleye
Over the years, Newcastle disease (ND) has defied all available control measures. The disease has remained at the forefront of infectious diseases afflicting poultry production after avian influenza. Despite the continuous global use of million doses of ND vaccine annually, the causative pathogen, avian paramyxovirus type 1 also known as Newcastle disease virus (NDV) has continued to evolve causing, even more, a threat not only to the unvaccinated but the vaccinated flocks inclusive. The disease has been well studied in the developed countries where the virus is found in circulation...
December 2016: Virusdisease
https://www.readbyqxmd.com/read/27965642/detection-of-inter-lineage-natural-recombination-in-avian-paramyxovirus-serotype-1-using-simplified-deep-sequencing-platform
#10
Dilan A Satharasinghe, Kavitha Murulitharan, Sheau W Tan, Swee K Yeap, Muhammad Munir, Aini Ideris, Abdul R Omar
Newcastle disease virus (NDV) is a prototype member of avian paramyxovirus serotype 1 (APMV-1), which causes severe and contagious disease in the commercial poultry and wild birds. Despite extensive vaccination programs and other control measures, the disease remains endemic around the globe especially in Asia, Africa, and the Middle East. Being a single serotype, genotype II based vaccines remained most acceptable means of immunization. However, the evidence is emerging on failures of vaccines mainly due to evolving nature of the virus and higher genetic gaps between vaccine and field strains of APMV-1...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27919180/investigation-of-a-mortality-cluster-in-wild-adult-yellow-eyed-penguins-megadyptes-antipodes-at-otago-peninsula-new-zealand
#11
Brett Gartrell, David Agnew, Maurice Alley, Tim Carpenter, Hye Jeong Ha, Laryssa Howe, Stuart Hunter, Kate McInnes, Rex Munday, Roe Wendi, Young Melanie
We investigated an epidemic mortality cluster of yellow-eyed penguins (Megadyptes antipodes) that involved 67 moribund or dead birds found on various beaches of the Otago Peninsula, New Zealand, between January 21 and March 20, 2013. Twenty-four carcases were examined postmortem. Histological lesions of pulmonary, hepatic and splenic erythrophagocytosis and haemosiderosis were found in 23 of 24 birds. Fifteen birds also had haemoglobin-like protein droplets within renal tubular epithelial cells. Despite consistent histological lesions, a cause of death could not be established...
December 6, 2016: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/27915128/cholesterol-reducing-agents-inhibit-assembly-of-type-i-parainfluenza-viruses
#12
Shringkhala Bajimaya, Tsuyoshi Hayashi, Tünde Frankl, Peter Bryk, Brian Ward, Toru Takimoto
Many enveloped RNA viruses utilize lipid rafts for the assembly of progeny virions, but the role of cholesterol, a major component of rafts, on paramyxovirus budding and virion formation is controversial. In this study, we analyzed the effects of FDA-approved cholesterol-reducing agents, gemfibrozil and lovastatin, on raft formation and assembly of human parainfluenza virus type 1 (hPIV1) and Sendai virus (SeV). Treatment of the human airway epithelial A549 cells with the agents, especially when combined, significantly decreased production of infectious hPIV1 and SeV...
January 15, 2017: Virology
https://www.readbyqxmd.com/read/27891060/human-metapneumovirus-in-the-preterm-neonate-current-perspectives
#13
Nathalie L Maitre, John V Williams
Premature birth (<37 weeks gestation) occurs in ~11% of all births in the US. These infants are at risk of chronic lung disease and respiratory conditions, including bronchopulmonary dysplasia. Respiratory viruses are important causes of acute respiratory illness (ARI) in preterm infants, leading to rehospitalization, increased health care burden, and long-term morbidity. Human metapneumovirus (HMPV) is a paramyxovirus discovered in 2001 that is related to respiratory syncytial virus. Epidemiologic studies show that HMPV is a leading cause of ARI in children and adults worldwide...
2016: Research and Reports in Neonatology
https://www.readbyqxmd.com/read/27884627/characterization-of-avian-paramyxovirus-serotype-14-a-novel-serotype-isolated-from-a-duck-fecal-sample-in-japan
#14
Rapeewan Thampaisarn, Vuong N Bui, Dai Q Trinh, Makoto Nagai, Tetsuya Mizutani, Tsutomu Omatsu, Yukie Katayama, Dulyatad Gronsang, Duong H T Le, Haruko Ogawa, Kunitoshi Imai
A hemagglutinating virus isolate designated 11OG0352, was obtained from a duck fecal sample. Genetic and virological analyses indicated that it might represent a novel serotype of avian paramyxovirus (APMV). Electron micrographs showed that the morphology of the virus particle was similar to that of APMV. The complete genome of this virus comprised 15,444 nucleotides complying with the paramyxovirus "rule of six" and contains six open reading frames (3'-N-P-M-F-HN-L-5'). The phylogenetic analysis of the whole genome revealed that the virus was a member of the genus Avulavirus, but that it was distinct from APMV-1 to APMV-13...
January 15, 2017: Virus Research
https://www.readbyqxmd.com/read/27882444/genomic-characterization-of-a-wild-bird-origin-pigeon-paramyxovirus-type-1-ppmv-1-first-isolated-in-the-northwest-region-of-china
#15
Xinglong Wang, Shanhui Ren, Xiangwei Wang, Chong Yang Wang, Mengfei Fan, Yanqing Jia, Xiaolong Gao, Huan Liu, Sa Xiao, Zengqi Yang
Pigeon paramyxovirus type-1(PPMV-1) is an enzootic in pigeon flocks and causes severe economic losses in the poultry industry in many countries. A PPMV-1 isolate, abbreviated as PPMV-1/QL-01/CH/15, was isolated from a great spotted woodpecker in the northwest region of China in 2015. The complete genome was sequenced, and the results showed that the virus genome was 15,192 nt in length, in the gene arrangement 3'-NP-P-M-F-HN-L-5'. Several amino acid mutations were identified in the functional domains of the F and HN proteins...
November 23, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27860224/reduced-angiogenic-gene-expression-in-morbillivirus-triggered-oncolysis-in-a-translational-model-for-histiocytic-sarcoma
#16
Vanessa Maria Pfankuche, Ingo Spitzbarth, Stefanie Lapp, Reiner Ulrich, Ulrich Deschl, Arno Kalkuhl, Wolfgang Baumgärtner, Christina Puff
Histiocytic sarcoma represents a rare malignant tumour with a short survival time, indicating the need of novel treatment strategies including oncolytic virotherapy. The underlying molecular mechanisms of viral oncolysis are largely unknown. As cancer in companion animals shares striking similarities with human counterparts, we chose a permanent canine histiocytic sarcoma cell line (DH82 cells) to identify global transcriptome changes following infection with canine distemper virus (CDV), a paramyxovirus closely related to human measles virus...
November 17, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27856578/complete-genome-sequence-of-a-vaccinal-newcastle-disease-virus-strain-isolated-from-an-owl-rhinoptynx-clamator
#17
Steven Van Borm, Laís S Rizotto, Leila S Ullmann, Guilherme P Scagion, Camila D Malossi, Raphael M Simão, João P Araújo, Izabelle M Cordeiro, Lara B Keid, Trícia Maria F Sousa Oliveira, Rodrigo M Soares, Matheus C Martini, Maria A Orsi, Clarice W Arns, Helena L Ferreira
A Newcastle disease virus (NDV) was isolated in chicken embryonated eggs after detection by real-time reverse transcription-PCR (RRT-PCR) from a captive owl swab. The complete genome sequence of APMV-1/Rhinoptynx clamator/Brazil/22516/2009 (APMV-1, avian paramyxovirus type 1) was obtained using Illumina sequencing. Phylogenetic analysis of the complete genome classified the isolate within NDV class II genotype II.
November 17, 2016: Genome Announcements
https://www.readbyqxmd.com/read/27825950/occurrence-of-measles-genotype-d8-during-a-2014-outbreak-in-banjarmasin-south-kalimantan-indonesia
#18
Edi Hartoyo, Ageng Wiyatno, Ungke Anton Jaya, Chairin Nisa Ma'roef, Corina Monagin, Khin Saw Myint, Dodi Safari
OBJECTIVES: An outbreak of measles symptoms occurring in children in Banjarmasin, South Kalimantan, Indonesia in 2014 was investigated. METHODS: Nasal swabs were collected from 23 children (median age 41 months) with fever and other symptoms of measles hospitalized in Ulin General Hospital and Islamic Hospital, Banjarmasin, South Kalimantan. Viral RNA was extracted for cDNA synthesis, followed by PCR and sequencing using paramyxovirus family consensus and N-gene primers...
January 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27824081/the-nucleolar-protein-gltscr2-is-required-for-efficient-viral-replication
#19
Peng Wang, Wen Meng, Shi-Chong Han, Cui-Cui Li, Xiao-Jun Wang, Xiao-Jia Wang
Glioma tumor suppressor candidate region gene 2 protein (GLTSCR2) is a nucleolar protein. In the investigation of the role of GLTSCR2 that played in the cellular innate immune response to viral infection, we found GLTSCR2 supported viral replication of rhabdovirus, paramyxovirus, and coronavirus in cells. Viral infection induced translocation of GLTSCR2 from nucleus to cytoplasm that enabled GLTSCR2 to attenuate type I interferon IFN-β and support viral replication. Cytoplasmic GLTSCR2 was able to interact with retinoic acid-inducible gene I (RIG-I) and the ubiquitin-specific protease 15 (USP15), and the triple interaction induced USP15 activity to remove K63-linked ubiquitination of RIG-I, leading to attenuation of RIG-I and IFN-β...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27783670/dual-microrna-screens-reveal-that-the-immune-responsive-mir-181-promotes-henipavirus-entry-and-cell-cell-fusion
#20
Chwan Hong Foo, Christina L Rootes, Karla Cowley, Glenn A Marsh, Cathryn M Gould, Celine Deffrasnes, Christopher J Cowled, Reuben Klein, Sarah J Riddell, Deborah Middleton, Kaylene J Simpson, Lin-Fa Wang, Andrew G D Bean, Cameron R Stewart
Hendra and Nipah viruses (family Paramyxoviridae, genus Henipavirus) are bat-borne viruses that cause fatal disease in humans and a range of other mammalian species. Gaining a deeper understanding of host pathways exploited by henipaviruses for infection may identify targets for new anti-viral therapies. Here we have performed genome-wide high-throughput agonist and antagonist screens at biosafety level 4 to identify host-encoded microRNAs (miRNAs) impacting henipavirus infection in human cells. Members of the miR-181 and miR-17~93 families strongly promoted Hendra virus infection...
October 2016: PLoS Pathogens
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