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https://www.readbyqxmd.com/read/27913620/pb1-f2-derived-from-avian-influenza-a-virus-h7n9-induces-inflammation-via-activation-of-the-nlrp3-inflammasome
#1
Anita Pinar, Jennifer K Dowling, Natalie J Bitto, Avril B Robertson, Eicke Latz, Cameron R Stewart, Grant R Drummond, Matthew A Cooper, Julie L McAuley, Michelle D Tate, Ashley Mansell
The emergence of avian H7N9 influenza A virus (IAV) in humans with associated high mortality, has highlighted the threat of a potential pandemic. Fatal H7N9 infections are characterised by hyperinflammation and increased cellular infiltrates in the lung. Currently there are limited therapies to address the pathologies associated with H7N9 infection and what virulence factors may contribute to these pathologies. We have found that PB1-F2 derived from H7N9 activates the NLRP3 inflammasome and induces lung inflammation and cellular recruitment that is NLRP3 dependent...
December 2, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27912987/gp85-protein-vaccine-adjuvanted-with-silica-nanoparticles-against-alv-j-in-chickens
#2
Jia Cheng, Shiyong Wen, Shenghua Wang, Pan Hao, Ziqiang Cheng, Yongxia Liu, Peng Zhao, Jianzhu Liu
This study focused on the effect of silica nanoparticles as adjuvant for vaccine applications comprised of gp85, a dominating structural protein of J Subgroup Avian Leukosis Virus (ALV-J), and which was evaluated by comparing with the responsiveness induced by that emulsified in Freund adjuvant. Thirty-six chickens were inoculated twice with gp85 adjuvanted with the silica nanoparticles or Freund's adjuvant at the 2nd and 3rd week old. Two weeks later, the inoculated chickens were challenged with a 10(2.2) 50% tissue culture infective dose (TCID50) of ALV-J...
November 29, 2016: Vaccine
https://www.readbyqxmd.com/read/27911748/actions-of-steroids-new-neurotransmitters
#3
Lauren M Rudolph, Charlotte A Cornil, Melinda A Mittelman-Smith, Jennifer R Rainville, Luke Remage-Healey, Kevin Sinchak, Paul E Micevych
Over the past two decades, the classical understanding of steroid action has been updated to include rapid, membrane-initiated, neurotransmitter-like functions. While steroids were known to function on very short time spans to induce physiological and behavioral changes, the mechanisms by which these changes occur are now becoming more clear. In avian systems, rapid estradiol effects can be mediated via local alterations in aromatase activity, which precisely regulates the temporal and spatial availability of estrogens...
November 9, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27910803/the-prognostic-and-predictive-value-of-tmprss2-erg-gene-fusion-and-erg-protein-expression-in-prostate-cancer-biopsies
#4
Kasper Drimer Berg
BACKGROUND: The clinical course of prostate carcinoma (PCa) is very heterogeneous. Consequently, a personalised approach for risk stratification and treatment planning is important. Recently, it has become evident that PCa, also at the genomic level, is heterogeneous. An early and common alteration is the gene fusion between the transmembrane protease serine 2 (TMPRSS2) gene and the v-ets avian erythroblastosis virus E26 oncogene homolog (ERG) gene resulting in expression of the oncoprotein ERG...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27910748/factors-influencing-the-amino-acid-and-peptide-transporter-proteins-mrna-expression-in-avian-species
#5
Bahman Navidshad, Seyed Ziaodin Mirhoseini
The commercial strains of broiler chickens have genetically selected to reach market weight at younger ages. In order to sustain increased growth rate requires an efficient assimilation of nutrients from the intestinal lumen, which is permitted through nutrient assimilation through the enterocytes that is facilitated by many nutrient transporter proteins. These trans-membrane proteins have specific action, well known kinetics and assist in the partitioning of nutrients among tissues. Amino acids are transported across the plasma membrane as free amino acids or short chain peptides through several independent systems encoded by various nutrient transporter gene products, and these systems may act on multiple substrates...
2016: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/27910747/effect-of-dietary-fat-on-gene-expression-in-poultry-a-review
#6
Bahman Navidshad, M Royan
Traditionally, poultry farmers aimed to produce birds with high body weight and feed conversion ratio. However, in line with current developments, there are other traits that must be taken into account as well. These include producing poultry meat with lower body fat content and improving the nutritional quality of the poultry meat to appeal to consumer requirements. The interrelated importance of human diet and health status is an ancient subject. Human foods as a lifestyle factor is involved in the incidence of many types of diseases, such as cardiovascular diseases and cancer...
2016: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/27910744/peroxisome-proliferator-activated-receptor-alpha-ppar%C3%AE-a-key-regulator-of-lipid-metabolism-in-avians
#7
Bahman Navidshad, M Royan
Dietary fatty acids have various effects on cellular metabolism, and many of these effects are carried out through the alteration of the gene expression. Fatty acids upregulate or downregulate the expression of different genes by acting both as agonists or antagonists for nuclear hormone receptors. Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear hormone receptor superfamily. To date, three PPAR subtypes, α, β, and γ, have been recognized. PPARs regulate various target genes with a role in intracellular and extracellular lipid metabolism, mainly those involved in peroxisomal β-oxidation...
2016: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/27910264/vaccination-against-h9n2-avian-influenza-virus-reduces-bronchus-associated-lymphoid-tissue-formation-in-cynomolgus-macaques-after-intranasal-virus-challenge-infection
#8
Misako Nakayama, Hiroichi Ozaki, Yasushi Itoh, Kosuke Soda, Hirohito Ishigaki, Masatoshi Okamatsu, Yoshihiro Sakoda, Chun-Ho Park, Hideaki Tsuchiya, Hiroshi Kida, Kazumasa Ogasawara
H9N2 avian influenza virus causes sporadic human infection. Since humans do not possess acquired immunity specific to this virus, we examined the pathogenicity of an H9N2 virus isolated from a human and then analyzed protective effects of a vaccine in cynomolgus macaques. After intranasal challenge with A/Hong Kong/1073/1999 (H9N2) (HK1073) isolated from a human patient, viruses were isolated from nasal and tracheal swabs in unvaccinated macaques with mild fever and body weight loss. A formalin-inactivated H9N2 whole particle vaccine derived from our virus library was subcutaneously inoculated to macaques...
December 2016: Pathology International
https://www.readbyqxmd.com/read/27909922/production-of-biologically-active-recombinant-goose-fsh-in-a-single-chain-form-with-a-ctp-linker-sequence
#9
Hui Li, Huanxi Zhu, Qinming Qin, Mingming Lei, Zhendan Shi
FSH is a glycoprotein hormone secreted by the pituitary gland that is essential for gonadal development and reproductive function. In avian reproduction study, especially in avian reproduction hormone study, it is hindered by the lack of biologically active FSH. In order to overcome this shortcoming, we prepared recombinant goose FSH as a single chain molecule and tested its biological activities in the present study. Coding sequences for mature peptides of goose FSH α and β subunits were amplified from goose pituitary cDNA...
December 1, 2016: Molecular Biology Reports
https://www.readbyqxmd.com/read/27908831/eukaryotic-translational-initiation-factor-4aii-reduces-the-replication-of-infectious-bursal-disease-virus-by-inhibiting-vp1-polymerase-activity
#10
Li Gao, Kai Li, Li Zhong, Lizhou Zhang, Xiaole Qi, Yongqiang Wang, Yulong Gao, Xiaomei Wang
Infectious bursal disease (IBD) is an acute, highly contagious, and immunosuppressive avian disease caused by IBD virus (IBDV). Although an interaction between eukaryotic translational initiation factor 4AII (eIF4AII) of the host and viral protein 1 (VP1), the RNA-dependent RNA polymerase (RdRp) of IBDV, has been established, the underlying effects of this interaction on IBDV and the molecular mechanism remain unclear. We here report that interaction of the host eIF4AII with VP1 inhibits the RNA polymerase activity of IBDV to reduce its replication in host cells...
November 28, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27908830/protective-efficacy-of-fc-targeting-conserved-influenza-virus-m2e-antigen-expressed-by-lactobacillus-plantarum
#11
Wen-Tao Yang, Gui-Lian Yang, Qian Wang, Hai-Bin Huang, Yan-Long Jiang, Chun-Wei Shi, Jian-Zhong Wang, Ke-Yan Huang, Yu-Bei Jin, Chun-Feng Wang
The influenza A (H1N1) virus is a highly contagious acute respiratory disease affecting pigs and humans. This disease causes severe economic loss in many countries, and developing mucosal vaccines is an efficient strategy to control the influenza virus. The neonatal Fc receptor (FcRn) plays an important role in transferring IgG across polarized epithelial cells. In the present study, an oral vaccine was developed using Lactobacillus plantarum to deliver the internal influenza viral protein M2e fused to an IgG Fc fragment...
November 28, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27904021/scanning-electron-microscopic-study-on-the-tongues-of-seven-avian-species
#12
Shoichi Emura
The dorsal lingual surface of the grey crowned crane (Balearica regulorum), American flamingo (Phoenicopterus rubber), great egret (Ardea alba), mallard (Anas platyrhynchos), Himalayan monal (Lophophorus impejanus), black-necked stilt (himantopus mexicanus) and green macaw (Ara militaris) were examined by scanning electron microscopy. In the grey crowned crane, the surface of the lingual apex was relatively rough. Many openings of the lingual glands in both lateral regions of the lingual body were observed...
2016: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/27903645/upgrading-short-read-animal-genome-assemblies-to-chromosome-level-using-comparative-genomics-and-a-universal-probe-set
#13
Joana Damas, Rebecca O'Connor, Marta Farré, Vasileios Panagiotis E Lenis, Henry J Martell, Anjali Mandawala, Katie Fowler, Sunitha Joseph, Martin T Swain, Darren K Griffin, Denis M Larkin
Most recent initiatives to sequence and assemble new species' genomes de-novo fail to achieve the ultimate endpoint to produce contigs, each representing one whole chromosome. Even the best-assembled genomes (using contemporary technologies) consist of sub-chromosomal sized scaffolds. To circumvent this problem, we developed a novel approach that combines computational algorithms to merge scaffolds into chromosomal fragments, PCR-based scaffold verification and physical mapping to chromosomes. Multi-genome-alignment-guided probe selection led to the development of a set of universal avian BAC clones that permit rapid anchoring of multiple scaffolds to chromosomes on all avian genomes...
November 30, 2016: Genome Research
https://www.readbyqxmd.com/read/27903065/predominance-and-geo-mapping-of-avian-influenza-h5n1-in-poultry-sectors-in-egypt
#14
Abdelsatar Arafa, Ihab El-Masry, Shereen Khoulosy, Mohammed K Hassan, Moussa Soliman, Olubunmi G Fasanmi, Folorunso O Fasina, Gwenaelle Dauphin, Juan Lubroth, Yilma M Jobre
Highly pathogenic avian influenza (HPAI) virus of the H5N1 subtype has been enzootic in the Egyptian poultry with significant human infections since 2008. This work evaluates the epidemiological and virological information from February 2006 to May 2015 in spatial and temporal terms. Only data with confirmed HPAI H5N1 sub-type were collected, and matched with the epidemiological data from various spatially and temporally-dispersed surveillances implemented between 2006 and 2015. Spatio-temporal analysis was conducted on a total of 3338 confirmed H5N1 HPAI poultry disease outbreaks and outputs described based on transmission patterns, poultry species, production types affected, trade, geographic and temporal distributions in Egypt...
November 28, 2016: Geospatial Health
https://www.readbyqxmd.com/read/27902914/inactivation-of-avian-influenza-virus-in-nonpelleted-chicken-feed
#15
H Toro, V L van Santen, C Breedlove
Corn stored outside could become contaminated with avian influenza virus (AIV) from wild bird droppings. AIV-contaminated ingredients could pass into the poultry flocks in nonpelleted chicken feed. The efficacy of two disinfectants at inactivating AIV in chicken feed was evaluated. Both Termin-8 (a blend of formaldehyde, propionic acid, terpenes, and surfactant) and Finio (a blend of approved phytochemicals and carboxylic acids) effectively inactivated AIV in chicken feed. Because stability of infectious AIV in chicken feed is limited, we evaluated addition of protein (skim milk powder) to the virus suspension...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902910/recombinant-hemagglutinin-of-avian-influenza-virus-h5-expressed-in-the-chloroplast-of-chlamydomonas-reinhardtii-and-evaluation-of-its-immunogenicity-in-chickens
#16
Inkar Castellanos-Huerta, Bernardo Bañuelos-Hernández, Guillermo Téllez, Sergio Rosales-Mendoza, Luis G Brieba, Elizabeth Esquivel-Ramos, Josué I Beltrán-López, Gilberto Velazquez, Isidro Fernandez-Siurob
Globally, avian influenza (AI) is a serious problem in poultry farming. Despite vaccination, the prevalence of AI in México highlights the need for new approaches to control AI and to reduce the economic losses associated with its occurrence in susceptible birds. Recombinant proteins from avian influenza virus (AIV) have been expressed in different organisms, such as plants. The present study investigated the feasibility of designing and expressing the HA protein of AIV in the transplastomic microalga Chlamydomonas reinhardtii as a novel approach for AIV control and taking advantage of culture conditions, its reproductive range, and safe use in consideration of the generally regarded as safe food ingredient regulatory classification...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902906/generalized-tetanus-in-a-gyrfalcon-falco-rusticolus-with-pododermatitis
#17
Hugues Beaufrère, Delphine Laniesse, Paul Stickings, Robert Tierney, Thea Sesardic, Durda Slavic, Nicole Compo, Dale A Smith
A 2-yr-old male gyrfalcon ( Falco rusticolus ) was presented for severe and generalized muscle spasticity and pododermatitis. The falcon had been treated for pododermatitis over the previous 4 mo. Muscle rigidity and spasms involved the entire bird but were more severe on the right leg. The bird was also tachypneic and hyperthermic at 45 C. While the plantar pododermatitis lesions had healed, there was still a small abscess on the lateral aspect of the right foot. Clinical signs were consistent with tetanus...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902902/history-of-the-first-generation-marek-s-disease-vaccines-the-science-and-little-known-facts
#18
Karel A Schat
Shortly after the isolation of Marek's disease (MD) herpesvirus (MDV) in the late 1960s vaccines were developed in England, the United States, and The Netherlands. Biggs and associates at the Houghton Poultry Research Station (HPRS) in England attenuated HPRS-16, the first cell-culture-isolated MDV strain, by passaging HPRS-16 in chick kidney cells. Although HPRS-16/Att was the first commercially available vaccine, it never became widely used and was soon replaced by the FC126 strain of herpesvirus of turkeys (HVT) vaccine developed by Witter and associates at the Regional Poultry Research Laboratory (now Avian Disease and Oncology Laboratory [ADOL]) in East Lansing, MI...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902900/sensitivity-and-specificity-estimation-for-the-clinical-diagnosis-of-highly-pathogenic-avian-influenza-in-the-egyptian-participatory-disease-surveillance-program
#19
C Verdugo, I El Masry, Y Makonnen, H Hannah, F Unger, M Soliman, S Galal, J Lubroth, D Grace
Many developing countries lack sufficient resources to conduct animal disease surveillance. In recent years, participatory epidemiology has been used to increase the cover and decrease the costs of surveillance. However, few diagnostic performance assessments have been carried out on participatory methods. The objective of the present study was to estimate the diagnostic performance of practitioners working for the Community-Based Animal Health and Outreach (CAHO) program, which is a participatory disease surveillance system for the detection of highly pathogenic avian influenza outbreaks in Egypt...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902899/endemic-variation-of-h9n2-avian-influenza-virus-in-china
#20
Yu-Fu Liu, Han-Zhang Lai, Lin Li, Yu-Peng Liu, Wen-Yan Zhang, Ren Gao, Wen-Ke Huang, Qin-Fang Luo, Yan Gao, Qiong Luo, Xiao-Yu Xie, Jia-Hua Xu, Rui-Ai Chen
Forty-two H9N2 subtype AIV strains were isolated from vaccinated commercial chickens in China from 2012 to 2015. Their HA genes had nucleotide sequence homology from 86.7% to 99.7%, and similarity to the classic vaccine strain was 88.6%-92.6%. A comparison was carried out with published HA genes (410 H9 strains) and whole genomes (306 strains) isolated in China during 2012-2015. Interestingly, 99.1% (448/452) of Chinese H9N2 AIV belonged to lineage h9.4.2, and 98.5% (445/452) of the viruses belonged to h9.4...
December 2016: Avian Diseases
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