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Canine Influenza

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https://www.readbyqxmd.com/read/27928017/a-temperature-sensitive-live-attenuated-canine-influenza-virus-h3n8-vaccine
#1
Aitor Nogales, Laura Rodriguez, Caroline Chauché, Kai Huang, Emma C Reilly, David J Topham, Pablo R Murcia, Colin R Parrish, Luis Martínez-Sobrido
: Canine influenza is a respiratory disease of dogs caused by canine influenza virus (CIV). CIV subtypes responsible for influenza in dogs include H3N8, which originated from the transfer of H3N8 equine influenza virus to dogs; and the H3N2 CIV, which is an avian-origin virus that adapted to infect dogs. Influenza infections are most effectively prevented through vaccination to reduce transmission and future infection. Currently, only inactivated influenza vaccines (IIVs) are available for the prevention of CIV in dogs...
December 7, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27881069/anti-influenza-virus-effects-of-catechins-a-molecular-and-clinical-review
#2
Kazuke Ide, Yohei Kawasaki, Koji Kawakami, Hiroshi Yamada
Influenza infection and associated epidemics represent a serious public health problem. Several preventive and curative measures exist against its spread including vaccination and therapeutic agents such as neuraminidase inhibitors (e.g., oseltamivir, zanamivir, as well as peramivir and laninamivir, which are licensed in several countries) and adamantanes (e.g., amantadine and rimantadine). However, neuraminidase inhibitor- and adamantane-resistant viruses have been detected, whereas vaccines exhibit strain-specific effects and are limited in supply...
November 22, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27816372/a-cell-culture-derived-whole-virus-influenza-a-vaccine-based-on-magnetic-sulfated-cellulose-particles-confers-protection-in-mice-against-lethal-influenza-a-virus-infection
#3
Michael M Pieler, Sarah Frentzel, Dunja Bruder, Michael W Wolff, Udo Reichl
Downstream processing and formulation of viral vaccines employs a large number of different unit operations to achieve the desired product qualities. The complexity of individual process steps involved, the need for time consuming studies towards the optimization of virus yields, and very high requirements regarding potency and safety of vaccines results typically in long lead times for the establishment of new processes. To overcome such obstacles, to enable fast screening of potential vaccine candidates, and to explore options for production of low cost veterinary vaccines a new platform for whole virus particle purification and formulation based on magnetic particles has been established...
December 7, 2016: Vaccine
https://www.readbyqxmd.com/read/27799877/genetic-characteristics-and-immunogenicity-of-pandemic-h1n1-influenza-virus-isolate-from-pig-in-korea
#4
Hyoung Joon Moon, Jin Sik Oh, Woonsung Na, Minjoo Yeom, Sang Yoon Han, Sung Jae Kim, Bong Kyun Park, Dae Sub Song, Bo Kyu Kang
A pandemic influenza A (H1N1) virus strain was isolated from a pig farm in Korea in December 2009. The strain was propagated in and isolated from both the Madin-Darby canine kidney cell line and embryonated eggs. The partial and complete sequences of the strain were identical to those of A/California/04/2009, with >99% sequence similarity in the HA, NA, M, NS, NP, PA, PB1, and PB2 genes. The isolated strain was inactivated and used to prepare a swine influenza vaccine. This trial vaccine, containing the new isolate that has high sequence similarity with the pandemic influenza A (H1N1) virus, resulted in seroconversion in Guinea pigs and piglets...
October 2016: Immune Network
https://www.readbyqxmd.com/read/27791106/synthetically-derived-bat-influenza-a-like-viruses-reveal-a-cell-type-but-not-species-specific-tropism
#5
Étori Aguiar Moreira, Samira Locher, Larissa Kolesnikova, Hardin Bolte, Teresa Aydillo, Adolfo García-Sastre, Martin Schwemmle, Gert Zimmer
Two novel influenza A-like viral genome sequences have recently been identified in Central and South American fruit bats and provisionally designated "HL17NL10" and "HL18NL11." All efforts to isolate infectious virus from bats or to generate these viruses by reverse genetics have failed to date. Recombinant vesicular stomatitis virus (VSV) encoding the hemagglutinin-like envelope glycoproteins HL17 or HL18 in place of the VSV glycoprotein were generated to identify cell lines that are susceptible to bat influenza A-like virus entry...
October 24, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27790096/intranasal-location-and-immunohistochemical-characterization-of-the-equine-olfactory-epithelium
#6
Alexandra Kupke, Sabine Wenisch, Klaus Failing, Christiane Herden
The olfactory epithelium (OE) is the only body site where neurons contact directly the environment and are therefore exposed to a broad variation of substances and insults. It can serve as portal of entry for neurotropic viruses which spread via the olfactory pathway to the central nervous system. For horses, it has been proposed and concluded mainly from rodent studies that different viruses, e.g., Borna disease virus, equine herpesvirus 1 (EHV-1), hendra virus, influenza virus, rabies virus, vesicular stomatitis virus can use this route...
2016: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/27788517/the-preventive-effect-of-the-traditional-japanese-herbal-medicine-hochuekkito-against-influenza-a-virus-via-autophagy-in-vitro
#7
Keita Takanashi, Katsuaki Dan, Sho Kanzaki, Hideki Hasegawa, Kenji Watanabe, Kaoru Ogawa
BACKGROUND: Hochuekkito (HKT), a traditional Japanese herbal medicine, enhances the immunity of elderly or weak individuals. It is also known to have preventive effects against influenza clinically. However, the detailed mechanisms of the preventive effects have not been clarified. We examined the relationship between the preventive effects of HKT and autophagy, a known stress response and quality control mechanism, using Madin-Darby canine kidney cells and influenza A/PR/8/34 (H1N1) virus...
October 28, 2016: Pharmacology
https://www.readbyqxmd.com/read/27750071/canine-influenza-viruses-with-modified-ns1-proteins-for-the-development-of-live-attenuated-vaccines
#8
Aitor Nogales, Kai Huang, Caroline Chauché, Marta L DeDiego, Pablo R Murcia, Colin R Parrish, Luis Martínez-Sobrido
Canine Influenza Virus (CIV) H3N8 is the causative agent of canine influenza, a common and contagious respiratory disease of dogs. Currently, only inactivated influenza vaccines (IIVs) are available for the prevention of CIV H3N8. However, live-attenuated influenza vaccines (LAIVs) are known to provide better immunogenicity and protection efficacy than IIVs. Influenza NS1 is a virulence factor that offers an attractive target for the preparation of attenuated viruses as LAIVs. Here we generated recombinant H3N8 CIVs containing truncated or a deleted NS1 protein to test their potential as LAIVs...
October 14, 2016: Virology
https://www.readbyqxmd.com/read/27739328/mc1568-inhibits-hdac6-8-activity-and-influenza-a-virus-replication-in-lung-epithelial-cells-role-of-hsp90-acetylation
#9
Simona Panella, Maria Elena Marcocci, Ignacio Celestino, Sergio Valente, Clemens Zwergel, Domenica Donatella Li Puma, Lucia Nencioni, Antonello Mai, Anna Teresa Palamara, Giovanna Simonetti
AIM: Histone deacetylases (HDACs) regulate the life-cycle of several viruses. We investigated the ability of different HDAC-inhibitors, to interfere with influenza virus A/Puerto Rico/8/34/H1N1 (PR8 virus) replication in Madin-Darby canine kidney and NCI cells. RESULTS: 3-(5-(3-Fluorophenyl)-3-oxoprop-1-en-1-yl)-1-methyl-1H-pyrrol-2-yl)-N-hydroxyacrylamide (MC1568) inhibited HDAC6/8 activity and PR8 virus replication, with decreased expression of viral proteins and their mRNAs...
October 14, 2016: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/27691941/infectious-disease-and-toxicological-monitoring-of-stranded-pacific-harbor-seals-phoca-vitulina-richardsi-in-cook-inlet-as-surrogates-for-monitoring-endangered-belugas-delphinapterus-leucas
#10
Kendra L Bauer, Caroline E C Goertz, Jane A Belovarac, Robert W Walton, J Lawrence Dunn, Pamela Tuomi
  Pacific harbor seals ( Phoca vitulina richardsi) and belugas ( Delphinapterus leucas ) eat many of the same prey species, occupy the same geographic area, and demonstrate site fidelity in Cook Inlet, Alaska. Although most direct research involving the critically endangered belugas is currently prohibited, studying harbor seals may provide important information about this beluga population. In recent years, harbor seal populations in Alaska have declined for unknown reasons. As part of its stranding program, the Alaska SeaLife Center (ASLC) managed 59 cases of live and dead stranded harbor seals from Cook Inlet between 1997 and 2011...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27670073/canine-h3n8-influenza-vaccines-partially-protect-mice-against-the-canine-h3n2-strain-currently-circulating-in-the-united-states
#11
Elinor Willis, Kaela Parkhouse, Florian Krammer, Scott E Hensley
Influenza A viruses infect many species and cross-species transmission occurs occasionally. An equine H3N8 influenza virus began circulating in dogs in 1999 and an avian H3N2 influenza virus began circulating in dogs in 2006. The canine H3N8 (cH3N8) viral strain has become endemic in parts of the United States and there is a commercially available vaccine against this strain. The canine H3N2 (cH3N2) strain did not circulate widely in the United States until 2015. Here, we used a mouse model to determine if the cH3N8 and cH3N2 strains are antigenically related and if a commercially available cH3N8 vaccine protects animals against the cH3N2 outbreak strain...
November 4, 2016: Vaccine
https://www.readbyqxmd.com/read/27628592/development-and-application-of-multiplex-pcr-assays-for-detection-of-virus-induced-respiratory-disease-complex-in-dogs
#12
Chutchai Piewbang, Anudep Rungsipipat, Yong Poovorawan, Somporn Techangamsuwan
Canine infectious respiratory disease complex (CIRDC) viruses have been detected in dogs with respiratory illness. Canine influenza virus (CIV), canine parainfluenza virus (CPIV), canine distemper virus (CDV), canine respiratory coronavirus (CRCoV), canine adenovirus type 2 (CAdV-2) and canine herpesvirus 1 (CaHV-1), are all associated with the CIRDC. To allow diagnosis, two conventional multiplex polymerase chain reactions (PCR) were developed to simultaneously identify four RNA and two DNA viruses associated with CIRDC...
September 15, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27558282/in-vitro-evaluation-of-the-antiviral-activity-of-methylglyoxal-against-influenza-b-virus-infection
#13
Siriwan Charyasriwong, Takahiro Haruyama, Nobuyuki Kobayashi
Influenza A and B virus infections are serious public health concerns globally. However, the concerns regarding influenza B infection have been underestimated. The currently used anti-influenza drugs have not provided equal efficacy for both influenza A and B viruses. Susceptibility to neuraminidase (NA) inhibitors has been observed to be lower for influenza B viruses than for influenza A viruses. Moreover, the emergence of resistance to anti-influenza drugs underscores the need to develop new drugs. Recently, we reported that methylglyoxal (MGO) suppressed influenza A virus replication in a strain-independent manner...
2016: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/27527760/molecular-surveillance-of-traditional-and-emerging-pathogens-associated-with-canine-infectious-respiratory-disease
#14
Nicola Decaro, Viviana Mari, Vittorio Larocca, Michele Losurdo, Gianvito Lanave, Maria Stella Lucente, Marialaura Corrente, Cristiana Catella, Stefano Bo, Gabriella Elia, Giorgio Torre, Erika Grandolfo, Vito Martella, Canio Buonavoglia
A molecular survey for traditional and emerging pathogens associated with canine infectious respiratory disease (CIRD) was conducted in Italy between 2011 and 2013 on a total of 138 dogs, including 78 early acute clinically ill CIRD animals, 22 non-clinical but exposed to clinically ill CIRD dogs and 38 CIRD convalescent dogs. The results showed that canine parainfluenza virus (CPIV) was the most commonly detected CIRD pathogen, followed by canine respiratory coronavirus (CRCoV), Bordetella bronchiseptica, Mycoplasma cynos, Mycoplasma canis and canine pneumovirus (CnPnV)...
August 30, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27515265/seroprevalence-of-three-influenza-a-viruses-h1n1-h3n2-and-h3n8-in-pet-dogs-presented-to-veterinary-hospital-in-ohio
#15
Hyesun Jang, Yasmine K Jackson, Joshua B Daniels, Ahmed Ali, Kyung-Il Kang, Mohamed Elaish, Chang-Won Lee
The prevalence of canine H3N8 influenza, and human H1N1 and H3N2 influenza in dogs in Ohio was estimated by conducting serologic tests on 1,082 canine serum samples; risk factors, such as health status and age were examined. The prevalence of human H1N1, H3N2, and canine H3N8 were 4.0%, 2.4% and 2.3%, respectively, and two samples were seropositive to two subtypes (H1N1 and H3N2; H1N1 and canine influenza virus (CIV) H3N8). Dogs with respiratory signs were 5.795 times more likely to be seropositive against human H1N1 virus than healthy dogs (p-value=0...
August 10, 2016: Journal of Veterinary Science
https://www.readbyqxmd.com/read/27489801/influenza-virus-vaccine-for-neglected-hosts-horses-and-dogs
#16
REVIEW
Woonsung Na, Minjoo Yeom, Huijoon Yuk, Hyoungjoon Moon, Bokyu Kang, Daesub Song
This study provides information regarding vaccine research and the epidemiology of influenza virus in neglected hosts (horses and dogs). Equine influenza virus (EIV) causes a highly contagious disease in horses and other equids, and outbreaks have occurred worldwide. EIV has resulted in costly damage to the horse industry and has the ability of cross the host species barrier from horses to dogs. Canine influenza is a virus of equine or avian origin and infects companion animals that live in close contact with humans; this results in possible exposure to the seasonal epizootic influenza virus...
July 2016: Clinical and Experimental Vaccine Research
https://www.readbyqxmd.com/read/27463680/antisense-oligonucleotides-targeting-influenza-a-segment-8-genomic-rna-inhibit-viral-replication
#17
Elzbieta Lenartowicz, Aitor Nogales, Elzbieta Kierzek, Ryszard Kierzek, Luis Martínez-Sobrido, Douglas H Turner
Influenza A virus (IAV) affects 5%-10% of the world's population every year. Through genome changes, many IAV strains develop resistance to currently available anti-influenza therapeutics. Therefore, there is an urgent need to find new targets for therapeutics against this important human respiratory pathogen. In this study, 2'-O-methyl and locked nucleic acid antisense oligonucleotides (ASOs) were designed to target internal regions of influenza A/California/04/2009 (H1N1) genomic viral RNA segment 8 (vRNA8) based on a base-pairing model of vRNA8...
October 2016: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/27414031/seroepidemiological-evidence-of-subtype-h3n8-influenza-virus-infection-among-pet-dogs-in-china
#18
Pei Zhou, San Huang, Weijie Zeng, Xin Zhang, Lifang Wang, Xinliang Fu, Shoujun Li
The H3N8 virus and the H3N2 virus are the main subtypes of canine influenza virus (CIV). H3N8 CIV mainly circulates in America, and H3N2 CIV mainly circulates in Asia. However, there was an outbreak of the Asian H3N2 virus in the United States (US) in 2015. Thus, it is important to evaluate the presence of subtype H3N8 virus in dogs in China. From May 2015 to November 2015, 600 sera from pet dogs were collected from Guangzhou, Shanghai, Beijing and Shenzhen for hemagglutination inhibition (HI) assays and microneutralization (MN) assays...
2016: PloS One
https://www.readbyqxmd.com/read/27406044/immunobiological-properties-of-influenza-a-h7n9-hemagglutinin-and-neuraminidase-proteins
#19
Li Jiang, Don Changsom, Hatairat Lerdsamran, Witthawat Wiriyarat, Wanibtisam Masamae, Pirom Noisumdaeng, Anan Jongkaewwattana, Pilaipan Puthavathana
Recombinant vaccinia viruses harboring the complete hemagglutinin (HA) or neuraminidase (NA) genes from the influenza A/Anhui/1/2013 (H7N9) virus were constructed (rVac-H7 HA and rVac-N9 NA viruses). The HA and NA proteins were expressed in the cytoplasm and on the plasma membrane of thymidine-kinase-negative (TK(-)) cells infected with these recombinant viruses. Only one form of the HA protein was expressed in infected TK(-) cells, with a molecular weight (MW) of 75 kDa, but three forms were found when the culture medium was supplemented with trypsin (MWs of 75, 50 and 27 kDa), which was similar to what was found in Madin-Darby canine kidney (MDCK) cells infected with reverse genetic (rg) influenza viruses carrying HA genes of H7N9 virus origin...
October 2016: Archives of Virology
https://www.readbyqxmd.com/read/27389318/thoracic-radiographic-characteristics-of-canine-influenza-virus-in-six-dogs
#20
Scott A Secrest, Ajay Sharma
Canine influenza virus is an emerging, highly contagious, respiratory pathogen that has not previously been radiographically described. In this retrospective case series study, we describe the thoracic radiographic appearance of confirmed canine influenza virus in six dogs. Radiographic findings varied, but included abnormal unstructured interstitial (one) and unstructured interstitial and alveolar (five) pulmonary patterns, which were distributed cranioventral (four), diffuse (one), and caudodorsal (one). The right middle (five), left cranial (five), and right cranial (four) lung lobes were most commonly affected...
September 2016: Veterinary Radiology & Ultrasound
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