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Feline Influenza

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https://www.readbyqxmd.com/read/27865960/identification-of-inonotus-obliquus-polysaccharide-with-broad-spectrum-antiviral-activity-against-multi-feline-viruses
#1
Jin Tian, Xiaoliang Hu, Dafei Liu, Hongxia Wu, Liandong Qu
Inonotus obliquus polysaccharides (IOPs) are a potential drug for the prevention and treatment of cancer, cardiopathy, diabetes, AIDs, pancreatitis and other diseases. In this study, we found that IOP can act as a broad-spectrum antiviral drug against feline viruses in the in vitro experiment. Using cell models of feline calicivirus (FCV), we demonstrated that IOP treatment was capable of exhibiting anti-FCV strain F9 activity in cell-based assays and also showed low cytotoxicity. Investigation of the mechanism of action of the compound revealed that IOP treatment induces its inhibitory actions directly on virus particles through blocking viral binding/absorpting...
November 16, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27549017/rabbit-hemorrhagic-disease-virus-capsid-a-versatile-platform-for-foreign-b-cell-epitope-display-inducing-protective-humoral-immune-responses
#2
Noelia Moreno, Ignacio Mena, Iván Angulo, Yolanda Gómez, Elisa Crisci, María Montoya, José R Castón, Esther Blanco, Juan Bárcena
Virus-like particles (VLPs), comprised of viral structural proteins devoid of genetic material, are tunable nanoparticles that can be chemically or genetically engineered, to be used as platforms for multimeric display of foreign antigens. Here, we report the engineering of chimeric VLPs, derived from rabbit hemorrhagic disease virus (RHDV) for presentation of foreign B-cell antigens to the immune system. The RHDV capsid comprises 180 copies of a single capsid subunit (VP60). To evaluate the ability of chimeric RHDV VLPs to elicit protective humoral responses against foreign antigens, we tested two B-cell epitopes: a novel neutralizing B-cell epitope, derived from feline calicivirus capsid protein, and a well characterized B-cell epitope from the extracellular domain of influenza A virus M2 protein (M2e)...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27152036/pandemic-h1n1-influenza-virus-infection-in-a-canadian-cat
#3
Cameron G Knight, Jennifer L Davies, Tomy Joseph, Sarah Ondrich, Brielle V Rosa
A cat was presented for necropsy after being found dead at home. Histologic findings suggested viral pneumonia. Polymerase chain reaction and viral typing revealed influenza A(H1N1)pdm09. This is the first report of influenza in a Canadian cat and highlights the importance of considering influenza virus in the differential diagnosis for feline respiratory distress.
May 2016: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/26480316/emerging-and-re-emerging-zoonoses-of-dogs-and-cats
#4
REVIEW
Bruno B Chomel
Since the middle of the 20th century, pets are more frequently considered as "family members" within households. However, cats and dogs still can be a source of human infection by various zoonotic pathogens. Among emerging or re-emerging zoonoses, viral diseases, such as rabies (mainly from dog pet trade or travel abroad), but also feline cowpox and newly recognized noroviruses or rotaviruses or influenza viruses can sicken our pets and be transmitted to humans. Bacterial zoonoses include bacteria transmitted by bites or scratches, such as pasteurellosis or cat scratch disease, leading to severe clinical manifestations in people because of their age or immune status and also because of our closeness, not to say intimacy, with our pets...
2014: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/25752867/sparse-serological-evidence-of-h5n1-avian-influenza-virus-infections-in-domestic-cats-northeastern-china
#5
Lingshuang Sun, Pei Zhou, Shuyi He, Yongfeng Luo, Kun Jia, Cheng Fu, Yao Sun, Huamei He, Liqing Tu, Zhangyong Ning, Ziguo Yuan, Heng Wang, Shoujun Li, Liguo Yuan
Today the cross-species transmission of avian influenza viruses (AIV) are a great concern. A number of AIV strains are now enzootic among poultry, with H9N2 and highly pathogenic H5N1 AIV strains prevalent in China. H5N1 strains have been recognized to infect zoo and domestic feline species. In this serological study we sought to examine evidence that H5N1 strains have infected domestic cats in northeastern China. In 2013, we conducted a cross-sectional serological study of 916 healthy cats in Heilongjian, Jilin, and Liaonin Provinces...
May 2015: Microbial Pathogenesis
https://www.readbyqxmd.com/read/25653449/atp1a1-mediated-src-signaling-inhibits-coronavirus-entry-into-host-cells
#6
Christine Burkard, Monique H Verheije, Bart L Haagmans, Frank J van Kuppeveld, Peter J M Rottier, Berend-Jan Bosch, Cornelis A M de Haan
UNLABELLED: In addition to transporting ions, the multisubunit Na(+),K(+)-ATPase also functions by relaying cardiotonic steroid (CTS)-binding-induced signals into cells. In this study, we analyzed the role of Na(+),K(+)-ATPase and, in particular, of its ATP1A1 α subunit during coronavirus (CoV) infection. As controls, the vesicular stomatitis virus (VSV) and influenza A virus (IAV) were included. Using gene silencing, the ATP1A1 protein was shown to be critical for infection of cells with murine hepatitis virus (MHV), feline infectious peritonitis virus (FIPV), and VSV but not with IAV...
April 2015: Journal of Virology
https://www.readbyqxmd.com/read/25477947/antiviral-activity-of-a-bacillus-sp-p34-peptide-against-pathogenic-viruses-of-domestic-animals
#7
Débora Scopel e Silva, Clarissa Caetano de Castro, Fábio da Silva e Silva, Voltaire Sant'anna, Gilberto D'Avila Vargas, Marcelo de Lima, Geferson Fischer, Adriano Brandelli, Amanda de Souza da Motta, Silvia de Oliveira Hübner
P34 is an antimicrobial peptide produced by a Bacillus sp. strain isolated from the intestinal contents of a fish in the Brazilian Amazon basin with reported antibacterial activity. The aim of this work was to evaluate the peptide P34 for its in vitro antiviral properties against canine adenovirus type 2 (CAV-2), canine coronavirus (CCoV), canine distemper virus (CDV), canine parvovirus type 2 (CPV-2), equine arteritis virus (EAV), equine influenza virus (EIV), feline calicivirus (FCV) and feline herpesvirus type 1 (FHV-1)...
2014: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/25375324/coronavirus-cell-entry-occurs-through-the-endo-lysosomal-pathway-in-a-proteolysis-dependent-manner
#8
Christine Burkard, Monique H Verheije, Oliver Wicht, Sander I van Kasteren, Frank J van Kuppeveld, Bart L Haagmans, Lucas Pelkmans, Peter J M Rottier, Berend Jan Bosch, Cornelis A M de Haan
Enveloped viruses need to fuse with a host cell membrane in order to deliver their genome into the host cell. While some viruses fuse with the plasma membrane, many viruses are endocytosed prior to fusion. Specific cues in the endosomal microenvironment induce conformational changes in the viral fusion proteins leading to viral and host membrane fusion. In the present study we investigated the entry of coronaviruses (CoVs). Using siRNA gene silencing, we found that proteins known to be important for late endosomal maturation and endosome-lysosome fusion profoundly promote infection of cells with mouse hepatitis coronavirus (MHV)...
November 2014: PLoS Pathogens
https://www.readbyqxmd.com/read/24923756/prevalence-of-upper-respiratory-pathogens-in-four-management-models-for-unowned-cats-in-the-southeast-united-states
#9
C M McManus, J K Levy, L A Andersen, S P McGorray, C M Leutenegger, L K Gray, J Hilligas, S J Tucker
Upper respiratory infection (URI) is a pervasive problem in cats and impacts the capacity and cost of sheltering programs. This study determined the pattern of respiratory pathogens in cats with and without clinical signs of URI in four different models for managing unowned cats, namely, (1) short-term animal shelters (STS), (2) long-term sanctuaries (LTS), (3) home-based foster care programs (FCP), and (4) trap-neuter-return programs for community cats (TNR). Conjunctival and oropharyngeal swabs from 543 cats, approximately half of which showed clinical signs of URI, were tested for feline herpes virus-1 (FHV), feline calicivirus (FCV), Chlamydia felis, Bordetella bronchiseptica, Mycoplasma felis, and canine influenza virus by real-time PCR...
August 2014: Veterinary Journal
https://www.readbyqxmd.com/read/24906510/design-synthesis-antiviral-and-cytostatic-activity-of-%C3%AF-1h-1-2-3-triazol-1-yl-polyhydroxy-alkylphosphonates-as-acyclic-nucleotide-analogues
#10
Iwona E Głowacka, Jan Balzarini, Graciela Andrei, Robert Snoeck, Dominique Schols, Dorota G Piotrowska
The efficient synthesis of a new series of polyhydroxylated dibenzyl ω-(1H-1,2,3-triazol-1-yl)alkylphosphonates as acyclic nucleotide analogues is described starting from dibenzyl ω-azido(polyhydroxy)alkylphosphonates and selected alkynes under microwave irradiation. Selected O,O-dibenzylphosphonate acyclonucleotides were transformed into the respective phosphonic acids. All compounds were evaluated in vitro for activity against a broad variety of DNA and RNA viruses and for cytostatic activity against murine leukemia L1210, human T-lymphocyte CEM and human cervix carcinoma HeLa cells...
July 15, 2014: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/24656442/evaluating-the-virucidal-efficacy-of-hydrogen-peroxide-vapour
#11
S M Goyal, Y Chander, S Yezli, J A Otter
BACKGROUND: Surface contamination has been implicated in the transmission of certain viruses, and surface disinfection can be an effective measure to interrupt the spread of these agents. AIM: To evaluate the in-vitro efficacy of hydrogen peroxide vapour (HPV), a vapour-phase disinfection method, for the inactivation of a number of structurally distinct viruses of importance in the healthcare, veterinary and public sectors. The viruses studied were: feline calicivirus (FCV, a norovirus surrogate); human adenovirus type 1; transmissible gastroenteritis coronavirus of pigs (TGEV, a severe acute respiratory syndrome coronavirus [SARS-CoV] surrogate); avian influenza virus (AIV); and swine influenza virus (SwIV)...
April 2014: Journal of Hospital Infection
https://www.readbyqxmd.com/read/24484481/detection-of-seasonal-weight-loss-and-a-serologic-survey-of-potential-pathogens-in-wild-pallas-cats-felis-otocolobus-manul-of-the-daurian-steppe-russia
#12
Sergey V Naidenko, Ekaterina V Pavlova, Vadim E Kirilyuk
We measured seasonal changes in body mass and pathogen exposure in wild Pallas' cats (Felis [Otocolobus] manul) in the Daurian Steppe of Russia in 2010-11. Pallas' cats lost about 30% of body mass over winter. Tests for antibodies to 15 potential pathogens showed that Pallas' cats were exposed to four pathogens. Two of 16 cats had antibodies to Toxoplasma gondii. Two had antibodies to Mycoplasma sp., and one each had antibodies to Influenza A virus and Feline leukemia virus. The percentage of antibody-positive wild Pallas' cats was lower than results reported for other wild felids in the Russian Far East...
April 2014: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/24297091/antiviral-potential-of-selected-starter-cultures-bacteriocins-and-d-l-lactic-acid
#13
Anett Lange-Starke, A Petereit, U Truyen, P G Braun, K Fehlhaber, T Albert
The antiviral potential of selected bacteria species [lactic acid bacteria (LAB) and micrococcaceae] was examined. By this, the effect of their cell-free supernatants as well as of certain species-related metabolites (sakacin A, nisin, and lactic acid) was investigated on different viruses after exposure at 24 °C for 3 days. Viruses were incubated with supernatants and metabolites in a dilution ratio of 1:10. Data for antiviral effects towards murine norovirus S99 (MNV), influenza A virus A/WSN/33 (H1N1), Newcastle disease virus Montana (NDV) and feline herpesvirus KS 285 (FHV) were generated in vitro simulating pH and temperature conditions according to raw sausage fermentations...
March 2014: Food and Environmental Virology
https://www.readbyqxmd.com/read/24265288/common-and-emerging-infectious-diseases-in-the-animal-shelter
#14
REVIEW
P A Pesavento, B G Murphy
The beneficial role that animal shelters play is unquestionable. An estimated 3 to 4 million animals are cared for or placed in homes each year, and most shelters promote public health and support responsible pet ownership. It is, nonetheless, inevitable that shelters are prime examples of anthropogenic biological instability: even well-run shelters often house transient, displaced, and mixed populations of animals. Many of these animals have received minimal to no prior health care, and some have a history of scavenging or predation to survive...
March 2014: Veterinary Pathology
https://www.readbyqxmd.com/read/24148007/replacement-of-the-v3-domain-in-the-surface-subunit-of-the-feline-immunodeficiency-virus-envelope-glycoprotein-with-the-equivalent-region-of-a-t-cell-tropic-human-immunodeficiency-virus-type-1-results-in-a-chimeric-surface-protein-that-efficiently-binds-to
#15
Silvia A González, Juan I Falcón, José L Affranchino
Feline immunodeficiency virus (FIV) and the T cell-tropic strains of human immunodeficiency virus type 1 (HIV-1) share the use of the chemokine receptor CXCR4 for cell entry. To study this process further we developed a cell surface binding assay based on the expression of a soluble version of the FIV SU C-terminally tagged with the influenza virus hemagglutinin epitope (HA). The specificity of the assay was demonstrated by the following evidence: (1) the SU-HA protein bound to HeLa cells that express CXCR4 but not to MDCK cells that lack this chemokine receptor; and (2) binding of the SU-HA to HeLa cells was blocked by incubation with the CXCR4 antagonist AMD3100 as well as with the anti-CXCR4 monoclonal antibody (MAb) 12G5...
March 2014: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/23971811/development-and-optimization-of-a-biopreparedness-protocol-for-extracting-and-detecting-avian-influenza-virus-in-broiler-chicken-meat
#16
Simona Di Pasquale, Emiliana Falcone, Rickard Knutsson, Gabriele Vaccari, Dario De Medici, Livia Di Trani
Detection of avian influenza virus (AIV) in poultry meat is hampered by the lack of an efficient analytical method able to extract and concentrate viral RNA prior to PCR. In this study we developed a method for extracting and detecting AIV from poultry meat by a previously standardized 1-step real-time reverse transcriptase PCR (RRT-PCR) assay. In addition, a new process control, represented by feline calicivirus (FCV), was included in the original protocol, to evaluate all analytical steps from sample preparation to the detection phase...
September 2013: Biosecurity and Bioterrorism: Biodefense Strategy, Practice, and Science
https://www.readbyqxmd.com/read/23904635/descriptive-epidemiology-of-upper-respiratory-disease-and-associated-risk-factors-in-cats-in-an-animal-shelter-in-coastal-western-canada
#17
Nadine Gourkow, James H Lawson, Sara C Hamon, Clive J C Phillips
We examined 250 cats at an animal shelter in the coastal temperate region of Canada to determine whether age, source, gender, and sterilization status influenced risk of shedding at intake, transmission of infection, and development of clinical upper respiratory disease (URD). On admission, 28% of the cats were positive for 1 or more infectious agent related to URD; 21% were carriers of Mycoplasma felis and < 3% were carriers of feline calicivirus (FCV), feline herpesvirus-1 (FHV-1) or Bordetella bronchiseptica...
February 2013: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/23618838/a-novel-canine-influenza-h3n2-virus-isolated-from-cats-in-an-animal-shelter
#18
Hye-Young Jeoung, Seong-In Lim, Bo-Hye Shin, Ji-Ae Lim, Jae-Young Song, Dae-Sub Song, Bo-Kyu Kang, Hyoung-Joon Moon, Dong-Jun An
The interspecies transmission of avian-origin H3N2 canine influenza virus (CIV) to dogs was first reported in 2007. The present study characterized a novel CIV H3N2 isolated from cats in an animal shelter. A comparative analysis of the deduced amino acid sequences of the A/Canine/Korea/CY009/2010(H3N2) (CY009) and A/Feline/Korea/FY028/2010 (H3N2) (FY028) strains isolated from dogs and cats, respectively, in the animal shelter identified point mutations in 18 amino acid positions within eight viral genes. Interestingly, CY009 and FY028 replicated well in specific pathogen-free embryonated chicken eggs and in mice, respectively...
August 30, 2013: Veterinary Microbiology
https://www.readbyqxmd.com/read/23516235/complete-genome-sequence-of-a-canine-origin-h3n2-feline-influenza-virus-isolated-from-domestic-cats-in-south-korea
#19
Seong-Jun Park, Bo-Kyu Kang, Hye-Young Jeoung, Hyoung-Joon Moon, Minki Hong, Woonseong Na, Bong-Kyun Park, Haryoung Poo, Jeong-Ki Kim, Dong-Jun An, Dae-Sub Song
A canine-origin Korean H3N2 feline influenza virus (FIV), A/feline/Korea/01/2010 (H3N2), was isolated in 2010 from a dead cat with severe respiratory disease. Here, we report the first complete genome sequence of this virus, containing 3' and 5' noncoding regions, which will help elucidate the molecular basis of the pathogenesis, transmission, and evolution of FIV.
March 2013: Genome Announcements
https://www.readbyqxmd.com/read/23463173/genetic-characterization-of-avian-origin-h3n2-canine-influenza-viruses-isolated-from-guangdong-during-2006-2012
#20
Heng Wang, Kun Jia, Wenbao Qi, Minze Zhang, Long Sun, Huanbin Liang, Guohao Du, Likai Tan, Zhenwen Shao, Jiahui Ye, Lingshuang Sun, Zhenpeng Cao, Ye Chen, Pei Zhou, Shuo Su, Shoujun Li
Canine influenza virus (CIV) is an emerging pathogen that causes severe and acute respiratory disease in dogs. In 2006, the H3N2 canine influenza virus was first identified in dogs from Guangdong province in China. Up to now, nine CIVs have been isolated from different populations in Guangdong. The nine isolates were grouped together with the canine H3N2 viruses isolated from dogs and felines in Korea, when the eight phylogenetic trees constructed were compared. These findings emphasize the importance of CIV surveillance in this region for understanding the genesis of this virus, and it is important to remain aware of the potential of H3N2 CIV to be transmitted from dogs to the human population...
June 2013: Virus Genes
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