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Newcastle disease virus

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https://www.readbyqxmd.com/read/27913979/genetic-diversity-of-the-genotype-vii-newcastle-disease-virus-identification-of-a-novel-viij-sub-genotype
#1
Cong Xue, Yanlong Cong, Renfu Yin, Yixue Sun, Chan Ding, Shengqing Yu, Xiufan Liu, Shunlin Hu, Jing Qian, Qianliang Yuan, Mingxi Yang, Chunfeng Wang, Zhuang Ding
Newcastle disease (ND) is a highly contagious disease of poultry caused by Newcastle disease virus (NDV). Multiple genotypes of NDV have been circulating worldwide and NDV is continuously evolving, resulting into more diversity. Of multiple viral genotypes, VII is particularly important given that it had been associated with most recent ND outbreaks worldwide. In this study, an epidemiological investigation performed in northeastern China during 2014-2015 showed that 11 genotype VII isolates amounted to 55 percent in a total number of NDV isolates...
December 2, 2016: Virus Genes
https://www.readbyqxmd.com/read/27902314/newcastle-disease-virus-degrades-hif-1%C3%AE-through-proteasomal-pathways-independent-of-vhl-and-p53
#2
Noraini Abd-Aziz, Eric Stanbridge, Norazizah Shafee
Newcastle disease virus (NDV) is a candidate agent for oncolytic virotherapy. Despite its potential, the exact mechanism of its oncolysis is still not known. Recently, we reported that NDV exhibited an increased oncolytic activity in hypoxic cancer cells. These types of cells negatively affect therapeutic outcome by overexpressing pro-survival genes under the control of the hypoxia-inducible factor (HIF). HIF-1 is a heterodimeric transcriptional factor consisting of a regulated alpha (HIF-1α) and a constitutive beta subunit (HIF-1β)...
October 6, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27900002/therapeutic-targeting-of-liver-cancer-with-a-recombinant-dna-vaccine-containing-the-hemagglutinin-neuraminidase-gene-of-newcastle-disease-virus-via-apoptotic-dependent-pathways
#3
Li-Gang Chen, Yuan-Sheng Liu, Tang-Hui Zheng, Xu Chen, Ping Li, Chuan-Xing Xiao, Jian-Lin Ren
A total of ~38.6 million mortalities occur due to liver cancer annually, worldwide. Although a variety of therapeutic methods are available, the efficacy of treatment at present is extremely limited due to an increased risk of malignancy and inherently poor prognosis of liver cancer. Gene therapy is considered a promising option, and has shown notable potential for the comprehensive therapy of liver cancer, in keeping with advances that have been made in the development of cancer molecular biology. The present study aimed to investigate the synergistic effects of the abilities of the hemagglutinin neuraminidase protein of Newcastle disease virus (NDV), the pro-apoptotic factor apoptin from chicken anaemia virus, and the interferon-γ inducer interleukin-18 (IL-18) in antagonizing liver cancer...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27889255/antigenic-variation-of-lasota-and-genotype-vii-newcastle-disease-virus-ndv-and-their-efficacy-against-challenge-with-velogenic-ndv
#4
Hui-Ming Yang, Jing Zhao, Jia Xue, Yan-Ling Yang, Guo-Zhong Zhang
Continued monitoring and evaluation of vaccine efficacy against prevalent or newly isolated strains has great importance in advising Newcastle disease (ND) immunization strategy. In this study, we systematically analysed the antigenic variation between genotype VII NDV aSG10 and the commercial vaccine strain LaSota, and assessed their efficacy against challenge with velogenic NDV by serological analysis and animal testing. We show that these two viruses are antigenically distinguishable; anti-NDV aSG10 hyper-immune sera demonstrated higher haemagglutination inhibition (HI) titres (11...
November 23, 2016: Vaccine
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
#5
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/27861142/newcastle-disease-virus-employs-macropinocytosis-and-rab5a-dependent-intracellular-trafficking-to-infect-df-1-cells
#6
Lei Tan, Yuqiang Zhang, Yuan Zhan, Yanmei Yuan, Yingjie Sun, Xusheng Qiu, Chunchun Meng, Cuiping Song, Ying Liao, Chan Ding
Oncolytic Newcastle disease virus (NDV) reportedly employs direct fusion of the viral envelope with the plasma membrane and caveolae-dependent endocytosis to enter cells. Here, we show that macropinocytosis and clathrin-mediated endocytosis are involved in NDV entry into a galline embryonic fibroblast cell line. Upon specific inhibition of clathrin assembly, GTPase dynamin, Na+/H+ exchangers, Ras-related C3 botulinum toxin substrate 1, p21 activated kinase 1 or protein kinase C, entry of NDV and its propagation were suppressed...
November 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27856578/complete-genome-sequence-of-a-vaccinal-newcastle-disease-virus-strain-isolated-from-an-owl-rhinoptynx-clamator
#7
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/27846843/strong-inflammatory-responses-and-apoptosis-in-the-oviducts-of-egg-laying-hens-caused-by-genotype-viid-newcastle-disease-virus
#8
Ruiqiao Li, Kangkang Guo, Caihong Liu, Jing Wang, Dan Tan, Xueying Han, Chao Tang, Yanming Zhang, Jingyu Wang
BACKGROUND: Newcastle disease virus (NDV) can cause serious damage to the reproductive tracts of egg-laying hens and leads to egg production and quality reduction. However, the mechanism of severe pathological damage in the oviducts of egg-laying hens after NDV infection has not been fully elucidated. In this study, the correlation between the primary pathological lesions and viral load in the oviducts of egg-laying hens infected with the velogenic genotype VIId NDV strain was evaluated by pathological observation and virus detection...
November 15, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27845890/virus-inactivation-under-the-photodynamic-effect-of-phthalocyanine-zinc-ii-complexes
#9
Mimi Remichkova, Luchia Mukova, Lubomira Nikolaeva-Glomb, Nadya Nikolova, Lubka Doumanova, Vanya Mantareva, Ivan Angelov, Veselin Kussovski, Angel S Galabov
Various metal phthalocyanines have been studied for their capacity for photodynamic effects on viruses. Two newly synthesized water-soluble phthalocyanine Zn(II) complexes with different charges, cationic methylpyridyloxy-substituted Zn(II)- phthalocyanine (ZnPcMe) and anionic sulfophenoxy-substituted Zn(II)-phthalocyanine (ZnPcS), were used for photoinactivation of two DNA-containing enveloped viruses (herpes simplex virus type 1 and vaccinia virus), two RNA-containing enveloped viruses (bovine viral diarrhea virus and Newcastle disease virus) and two nude viruses (the enterovirus Coxsackie B1, a RNA-containing virus, and human adenovirus 5, a DNA virus)...
November 15, 2016: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/27844495/ileal-muc2-gene-expression-and-microbial-population-but-not-growth-performance-and-immune-response-are-influenced-by-in-ovo-injection-of-probiotics-in-broiler-chickens
#10
A Majidi-Mosleh, A A Sadeghi, S N Mousavi, M Chamani, A Zarei
1. The objective of present study was to evaluate the effects of intra-amniotic injection of different probiotic strains (Bacillus subtilis, Enterococcus faecium and Pediococcus acidilactici) on the intestinal MUC2 gene expression, microbial population, growth performance and immune response in broiler chicken. 2. In a completely randomised design, different probiotic strains was injected into the amniotic fluid of the 480 live embryos (d 18 of incubation), with 4 treatments and 5 replicates. Ileal MUC2 gene expression, microbial profile, growth performance and immune response were determined...
November 15, 2016: British Poultry Science
https://www.readbyqxmd.com/read/27833149/contribution-of-hn-protein-length-diversity-to-newcastle-disease-virus-virulence-replication-and-biological-activities
#11
Jihui Jin, Jing Zhao, Yingchao Ren, Qi Zhong, Guozhong Zhang
To evaluate the contribution of length diversity in the hemagglutinin-neuraminidase (HN) protein to the pathogenicity, replication and biological characteristics of Newcastle disease virus (NDV), we used reverse genetics to generate a series of recombinant NDVs containing truncated or extended HN proteins based on an infectious clone of genotype VII NDV (SG10 strain). The mean death times and intracerebral pathogenicity indices of these viruses showed that the different length mutations in the HN protein did not alter the virulence of NDV...
November 11, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27832963/gotlr7-but-not-gotlr21-mediated-antiviral-immune-responses-against-low-pathogenic-h9n2-aiv-and-newcastle-disease-virus-infection
#12
Bing Yan, Jinyue Zhang, Wei Zhang, Mingshu Wang, Renyong Jia, Dekang Zhu, Mafeng Liu, Qiao Yang, Ying Wu, Kunfeng Sun, Xiaoyue Chen, Anchun Cheng, Shun Chen
Aquatic birds are considered the biological and genetic reservoirs of avian influenza virus and play a critical role in the transmission and dissemination of Newcastle Disease Virus (NDV). Both TLR7 and TLR21 are important for the host antiviral immune response. In an in vivo study, goTLR7, not goTLR21, was significantly up-regulated in the lungs of geese at 3 to 7 d after challenge with H9N2. And goOASL expression was induced in the bursa of fabricius, harderian glands and lungs. An increase in goRIG-I was detected in the lung and small intestine, whereas goPKR was increased in the lung but decreased in the thymus...
November 8, 2016: Immunology Letters
https://www.readbyqxmd.com/read/27830736/viral-vector-vaccines-expressing-nucleoprotein-and-phosphoprotein-genes-of-avian-bornaviruses-ameliorate-homologous-challenge-infections-in-cockatiels-and-common-canaries
#13
Marita Olbert, Angela Römer-Oberdörfer, Christiane Herden, Sara Malberg, Solveig Runge, Peter Staeheli, Dennis Rubbenstroth
Avian bornaviruses are causative agents of proventricular dilatation disease (PDD), an often fatal disease of parrots and related species (order Psittaciformes) which is widely distributed in captive psittacine populations and may affect endangered species. Here, we established a vaccination strategy employing two different well described viral vectors, namely recombinant Newcastle disease virus (NDV) and modified vaccinia virus Ankara (MVA) that were engineered to express the phosphoprotein and nucleoprotein genes of two avian bornaviruses, parrot bornavirus 4 (PaBV-4) and canary bornavirus 2 (CnBV-2)...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27825920/a-generic-viral-dynamic-model-to-systematically-characterize-the-interaction-between-oncolytic-virus-kinetics-and-tumor-growth
#14
Melanie I Titze, Julia Frank, Michael Ehrhardt, Sigrun Smola, Norbert Graf, Thorsten Lehr
Oncolytic viruses (OV) represent an encouraging new therapeutic concept for treatment of human cancers. OVs specifically replicate in tumor cells and initiate cell lysis whilst tumor cells act as endogenous bioreactors for virus amplification. This complex bidirectional interaction between tumor and oncolytic virus hampers the establishment of a straight dose-concentration-effect relation. We aimed to develop a generic mathematical pharmacokinetic/pharmacodynamics (PK/PD) model to characterize the relationship between tumor cell growth and kinetics of different OVs...
November 5, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27811322/molecular-characterization-of-chicken-infectious-anemia-virus-from-contaminated-live-virus-vaccines
#15
Yang Li, Yan Hu, Shuai Cui, Jiayuan Fu, Yixin Wang, Zhizhong Cui, Lichun Fang, Shuang Chang, Peng Zhao
The aim of this study was to investigate possible causes of the pervasiveness of chicken infectious anemia virus ( CIAV: ) infection in chickens in recent years in China. A total of 14 batches of live-virus vaccines were examined using PCR to detect CIAV contamination, of which only 2 samples (a Newcastle disease vaccine and a fowl pox vaccine) tested positive for CIAV. These Newcastle and fowl pox vaccines were then inoculated into 1-day-old specific-pathogen-free chickens. Serum samples were collected from chickens infected with the PCR-positive vaccines, and these tested positive for CIAV-specific antibodies as tested using ELISA...
November 2, 2016: Poultry Science
https://www.readbyqxmd.com/read/27804907/effect-of-dietary-supplementation-of-grape-seed-extract-on-the-growth-performance-lipid-profile-antioxidant-status-and-immune-response-of-broiler-chickens
#16
M H Farahat, F M Abdallah, H A Ali, A Hernandez-Santana
Grape seed extracts (GSE) contain several beneficial bioactive constituents; therefore, can be utilized as a potential feed additive in broiler chickens. An experiment was conducted to investigate the effect of supplementation of broiler chicken diets with GSE as a natural antioxidant at levels of 125, 250, 500, 1000 and 2000 ppm on the growth performance, serum lipid profile, liver glutathione-reduced, thigh muscle malondialdehyde and humoral immune response against Newcastle disease virus vaccines. This experiment was performed during the life-span of chickens from 0 to 42 days of age...
November 2, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27796116/health-evaluation-of-african-penguins-i-spheniscus-demersus-i-in-southern-africa
#17
Nola J Parsons, Tertius A Gous, Adam M Schaefer, Ralph E T Vanstreels
The African penguin (Spheniscus demersus) is an endangered seabird that breeds along the coast of Namibia and South Africa, and disease surveillance was identified as a priority for its conservation. Aiming for the establishment of baseline data on the presence of potential pathogens in this species, a comprehensive health assessment (blood smear examination, haematology, biochemistry and serology) was conducted on samples obtained from 578 African penguins at 11 breeding colonies and a rehabilitation centre...
September 20, 2016: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/27794542/isolation-identification-and-hexon-gene-characterization-of-fowl-adenoviruses-from-a-contaminated-live-newcastle-disease-virus-vaccine
#18
Yang Li, Jiayuan Fu, Shuang Chang, Lichun Fang, Shuai Cui, Yixin Wang, Zhizhong Cui, Peng Zhao
To investigate the possible causes of the massive spread of fowl adenovirus (FAdV) infection among chickens in recent years in China, 32 batches of live-virus vaccines were tested for contamination with FAdV by PCR. Among these, 1 live Newcastle disease virus (NDV) vaccine of the LaSota strain was demonstrated to be positive for contamination. The amplified hexon gene exhibited 99.8% identity with a recent Chinese field isolate (JSJ13) of FAdV-4. The positive LaSota vaccine was first neutralized with anti-NDV serum and then inoculated into specific pathogen-free embryos at embryonic day 5 through the yolk sac for isolation of the contaminated FAdV...
October 28, 2016: Poultry Science
https://www.readbyqxmd.com/read/27783035/the-microtubule-inhibitor-podofilox-inhibits-an-early-entry-step-of-human-cytomegalovirus
#19
Tobias Cohen, Toni M Schwarz, Frederic Vigant, Thomas J Gardner, Rosmel E Hernandez, Benhur Lee, Domenico Tortorella
Human cytomegalovirus is a ubiquitous β-herpesvirus that infects many different cell types through an initial binding to cell surface receptors followed by a fusion event at the cell membrane or endocytic vesicle. A recent high-throughput screen to identify compounds that block a step prior to viral gene expression identified podofilox as a potent and nontoxic inhibitor. Time-of-addition studies in combination with quantitative-PCR analysis demonstrated that podofilox limits an early step of virus entry at the cell surface...
October 24, 2016: Viruses
https://www.readbyqxmd.com/read/27757685/characterization-of-a-recombinant-newcastle-disease-virus-expressing-the-glycoprotein-of-bovine-ephemeral-fever-virus
#20
Minmin Zhang, Jinying Ge, Zhiyuan Wen, Weiye Chen, Xijun Wang, Renqiang Liu, Zhigao Bu
Bovine ephemeral fever (BEF) is caused by the arthropod-borne bovine ephemeral fever virus (BEFV), which is a member of the family Rhabdoviridae and the genus Ephemerovirus. BEFV causes an acute febrile infection in cattle and water buffalo. In this study, a recombinant Newcastle disease virus (NDV) expressing the glycoprotein (G) of BEFV (rL-BEFV-G) was constructed, and its biological characteristics in vitro and in vivo, pathogenicity, and immune response in mice and cattle were evaluated. BEFV G enabled NDV to spread from cell to cell...
October 18, 2016: Archives of Virology
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