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https://www.readbyqxmd.com/read/29331866/development-of-a-novel-equine-influenza-virus-live-attenuated-vaccine
#1
Laura Rodriguez, Stephanie Reedy, Aitor Nogales, Pablo R Murcia, Thomas M Chambers, Luis Martinez-Sobrido
H3N8 equine influenza virus (EIV) is an important and significant respiratory pathogen of horses. EIV is enzootic in Europe and North America, mainly due to the suboptimal efficacy of current vaccines. We describe, for the first time, the generation of a temperature sensitive (ts) H3N8 EIV live-attenuated influenza vaccine (LAIV) using reverse-genetics approaches. Our EIV LAIV was attenuated (att) in vivo and able to induce, upon a single intranasal administration, protection against H3N8 EIV wild-type (WT) challenge in both a mouse model and the natural host, the horse...
January 11, 2018: Virology
https://www.readbyqxmd.com/read/29330860/sudden-death-in-sport-and-riding-horses-during-and-immediately-after-exercise-a-case-series
#2
C Navas de Solis, F Althaus, N Basieux, D Burger
BACKGROUND: Sudden death affects the health of horses, the safety of riders and the public perception of animal welfare during equestrian events. OBJECTIVES: To describe the signalment, clinical history, sudden death episode, rider injuries and causes of sudden death during exercise or closely thereafter in sport and pleasure riding horses. STUDY DESIGN: Retrospective case series based on an online questionnaire. METHODS: An online questionnaire was distributed to the veterinary and equestrian community...
January 13, 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29329626/applicability-of-flotac%C3%A2-technique-in-recovering-equine-strongyle-larvae-in-the-pasture-a-comparison-study
#3
Ingrid Carla do Nascimento Ramos, Rafael Antonio do Nascimento Ramos, Victor Fernando de Santana Lima, Alessio Giannelli, Irma Yaneth Torres López, Leucio Câmara Alves
The FLOTAC® technique represents a highly sensitive method for the isolation of oocysts, eggs, and larvae of parasites in faeces. This assay could be used for detecting free-living stages of nematodes in the pasture but no attempt has been assessed so far. Therefore, the performance of FLOTAC® technique for isolating infective larvae of nematodes in the environment was investigated and compared with the spontaneous sedimentation (SST) and centrifugal sedimentation (CST) techniques. The study was conducted in a horse farm located in northeastern Brazil, where the occurrence of strongyle larvae had been previously reported...
January 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29329028/equine-allogeneic-chondrogenic-induced-mesenchymal-stem-cells-a-gcp-target-animal-safety-and-biodistribution-study
#4
S Y Broeckx, J H Spaas, K Chiers, L Duchateau, L Van Hecke, L Van Brantegem, M Dumoulin, A M Martens, F Pille
The safety of the intra-articular use of mesenchymal stem cells (MSCs) is scarcely reported. Therefore, the goal of this study was to investigate the safety of a single intra-articular injection with allogeneic chondrogenic induced MSCs combined with equine plasma (=the investigational product: IVP) compared to a saline (0.9% NaCl) placebo control (=control product: CP). Sixteen healthy experimental horses were randomly assigned to receive a single intra-articular injection with either the IVP (n=8) or the CP (n=8) in the left metacarpophalangeal joint...
December 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29326207/complete-genome-sequence-of-bacteriophage-st11ph5-which-infects-uropathogenic-escherichia-coli-strain-up11
#5
Alla K Golomidova, Eugene E Kulikov, Vladislav V Babenko, Elena S Kostryukova, Andrey V Letarov
Bacteriophage St11Ph5 was isolated from a sewage sample on a particularly phage-resistant uropathogenic Escherichia coli (UPEC) up11 host strain. It appeared to be closely related to bacteriophage G7C, isolated from horse feces; however, it carries a highly divergent host recognition module.
January 11, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29325489/creating-effective-biocontainment-facilities-and-maintenance-protocols-for-raising-specific-pathogen-free-severe-combined-immunodeficient-scid-pigs
#6
Ellis J Powell, Sara Charley, Adeline N Boettcher, Lisa Varley, Justin Brown, Martine Schroyen, Malavika K Adur, Susan Dekkers, Dean Isaacson, Mary Sauer, Joan Cunnick, N Matthew Ellinwood, Jason W Ross, Jack Cm Dekkers, Christopher K Tuggle
Severe combined immunodeficiency (SCID) is defined by the lack of an adaptive immune system. Mutations causing SCID are found naturally in humans, mice, horses, dogs, and recently in pigs, with the serendipitous discovery of the Iowa State University SCID pigs. As research models, SCID animals are naturally tolerant of xenotransplantation and offer valuable insight into research areas such as regenerative medicine, cancer therapy, as well as immune cell signaling mechanisms. Large-animal biomedical models, particularly pigs, are increasingly essential to advance the efficacy and safety of novel regenerative therapies on human disease...
January 1, 2018: Laboratory Animals
https://www.readbyqxmd.com/read/29324884/a-cross-sectional-study-on-dutch-layer-farms-to-investigate-the-prevalence-and-potential-risk-factors-for-different-chlamydia-species
#7
Marloes Heijne, Jeanet A van der Goot, Helmi Fijten, Joke W van der Giessen, Eric Kuijt, Catharina B M Maassen, Annika van Roon, Ben Wit, Ad P Koets, Hendrik I J Roest
In poultry several Chlamydia species have been detected, but Chlamydia psittaci and Chlamydia gallinacea appear to be most prevalent and important. Chlamydia psittaci is a well-known zoonosis and is considered to be a pathogen of poultry. Chlamydia gallinacea has been described more recently. Its avian pathogenicity and zoonotic potential have to be further elucidated. Within the Netherlands no data were available on the presence of Chlamydia on poultry farms. As part of a surveillance programme for zoonotic pathogens in farm animals, we investigated pooled faecal samples from 151 randomly selected layer farms...
2018: PloS One
https://www.readbyqxmd.com/read/29324680/phylogenetic-analysis-and-characterization-of-a-sporadic-isolate-of-equine-influenza-a-h3n8-from-an-unvaccinated-horse-in-2015
#8
Chithra C Sreenivasan, Sunayana S Jandhyala, Sisi Luo, Ben M Hause, Milton Thomas, David E B Knudsen, Pamela Leslie-Steen, Travis Clement, Stephanie E Reedy, Thomas M Chambers, Jane Christopher-Hennings, Eric Nelson, Dan Wang, Radhey S Kaushik, Feng Li
Equine influenza, caused by the H3N8 subtype, is a highly contagious respiratory disease affecting equid populations worldwide and has led to serious epidemics and transboundary pandemics. This study describes the phylogenetic characterization and replication kinetics of recently-isolated H3N8 virus from a nasal swab obtained from a sporadic case of natural infection in an unvaccinated horse from Montana, USA. The nasal swab tested positive for equine influenza by Real-Time Quantitative Reverse Transcription Polymerase Chain Reaction (RT-PCR)...
January 11, 2018: Viruses
https://www.readbyqxmd.com/read/29323519/pigeons-in-control-of-their-actions-learning-and-performance-in-stop-signal-and-change-signal-tasks
#9
Christina Meier, Stephen E G Lea, Ian P L McLaren
In human participants, 2 paradigms commonly assumed to measure the executive-control processes involved in response inhibition are the stop-signal and change-signal tasks. There is, however, also considerable evidence that performance in these tasks can be mediated by associative processes. To assess which components of inhibitory response control might be associative, we developed analogues of these tasks for pigeons. We trained pigeons to peck quickly at 1 of 2 keys of different colors to obtain a food reward...
January 2018: Journal of Experimental Psychology. Animal Learning and Cognition
https://www.readbyqxmd.com/read/29322884/high-mortality-in-foals-associated-with-salmonella-enterica-subsp-enterica-abortusequi-infection-in-italy
#10
Erika Grandolfo, Antonio Parisi, Antonia Ricci, Eleonora Lorusso, Rocco de Siena, Adriana Trotta, Domenico Buonavoglia, Vito Martella, Marialaura Corrente
Salmonella enterica subsp. enterica serovar Abortusequi is frequently reported as a cause of abortion in mares and neonatal septicemia and polyarthritis in Asian and African countries, but only sporadically in Europe and the United States. We report an outbreak of S. Abortusequi in foals in Italy, characterized by high mortality. In a herd of Murgese horses, 10 of 34 newborns died at birth and a further 7 died, after developing severe clinical signs, during the first 10 d of life. Tissue specimens from different organs of 2 dead foals, synovial fluids from 4 sick foals, and vaginal and rectal swabs from their dams were cultured...
January 1, 2018: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/29322674/exposure-to-west-nile-virus-and-tick-borne-encephalitis-virus-in-dogs-in-spain
#11
I García-Bocanegra, E Jurado-Tarifa, D Cano-Terriza, R Martínez, J E Pérez-Marín, S Lecollinet
In the past decade, the spread of emerging zoonotic flaviviruses (genus Flavivirus, family Flaviviridae) has been reported in many regions worldwide, representing a threat to both human and animal health. A serosurvey was carried out to assess exposure and risk factors associated with antigenically related flaviviruses, particularly West Nile virus (WNV), Usutu virus (USUV) and tick-borne encephalitis virus (TBEV), in dogs in Spain. Flavivirus antibodies were detected in 39 of 815 dogs (4.8%; 95% CI: 3.3-6...
January 11, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29322051/genetic-variation-of-the-%C3%AE-tubulin-gene-of-babesia-caballi-strains
#12
María Guadalupe Montes-Cortés, José Luis Fernández-García, Miguel Ángel Habela Martínez-Estéllez
Background: Equine piroplasmosis is caused by two haemoprotozoan parasites: Babesia caballi and Theileria equi. Negative economic impact on international trade has been associated to endemic sites. This is the reason why carrier detection requires reliable diagnostic methods. Various diagnostic modalities can be used alone or in combination including PCR. However, genetic variation of commonly used genes is still of debate. The aim of this research was to sequence the β-tubulin gene of a B...
September 2017: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/29321434/tricuspid-and-mitral-valve-regurgitation-with-bi-fascicular-block-following-a-horse-kick
#13
Tomoki Kokubun, Masayoshi Oikawa, Yasuhiro Ichijo, Yoshiyuki Matsumoto, Tetsuro Yokokawa, Kazuhiko Nakazato, Yoshiyuki Sato, Shinya Takase, Hiroharu Shinjo, Hitoshi Yokoyama, Hitoshi Suzuki, Shu-Ichi Saitoh, Yasuchika Takeishi
A 40-year-old man was transferred to our hospital following an isolated horse kick injury to the anterior chest wall. The case showed bi-fascicular block, severe tricuspid valve regurgitation due to ruptured chordae tendineae of the anterior leaflet, moderate mitral valve regurgitation due to prolapse of mitral anterior leaflet, and hypokinetic motion of the inferior septal wall. Both tricuspid and mitral insufficiency were completely repaired by a surgical operation. Fortunately, these injuries were not fatal in this case, but the comprehensive assessment of cardiac damage and careful observation are important for managing patients with cardiac injury...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29320823/first-blindness-cases-of-horses-infected-with-setaria-digitata-nematoda-filarioidea-in-the-republic-of-korea
#14
Jihun Shin, Kyu-Sung Ahn, Guk-Hyun Suh, Ha-Jung Kim, Hak-Sub Jeong, Byung-Su Kim, Eunsang Choi, Sung-Shik Shin
Ocular setariases of cattle were reported but those of equine hosts have never been reported in the Republic of Korea (Korea). We found motile worms in the aqueous humor of 15 horses (Equus spp.) from 12 localities in southern parts of Korea between January 2004 and November 2017. After the affected animals were properly restrained under sedation and local anesthesia, 10 ml disposable syringe with a 16-gauge needle was inserted into the anterior chamber of the affected eye to successfully remove the parasites...
December 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/29317885/seroprevalence-and-risk-factors-for-theileria-equi-infection-in-equines-from-khyber-pakhtunkhwa-province-pakistan
#15
Muhammad Jamal Khan Afridi, Abdul Hafeez Mian, Muhammad Saqib, Ghazanfar Abbas, Javid Ali, Muhammad Khalid Mansoor, Awais Ur Rahman Sial, Imaad Rasheed, Muhammad Hammad Hussain
Background: Theileria equi is a tick borne protozoan parasite which causes piroplasmosis among equines worldwide. The present study was aimed to determine seroprevalence of T. equi in donkeys, horses, and mules from two equine populated districts (Peshawar and Charsadda) of Khyber Pakhtunkhwa (KPK), Pakistan. Methods: A total of 393 equine (195 horses, 194 donkeys and 4 mules) serum samples were collected from five and four randomly selected localities in Charsadda (n = 193) and Peshawar (n = 200), respectively...
October 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/29317733/in-vivo-sted-microscopy-visualizes-psd95-sub-structures-and-morphological-changes-over-several-hours-in-the-mouse-visual-cortex
#16
Waja Wegner, Alexander C Mott, Seth G N Grant, Heinz Steffens, Katrin I Willig
The post-synaptic density (PSD) is an electron dense region consisting of ~1000 proteins, found at the postsynaptic membrane of excitatory synapses, which varies in size depending upon synaptic strength. PSD95 is an abundant scaffolding protein in the PSD and assembles a family of supercomplexes comprised of neurotransmitter receptors, ion channels, as well as signalling and structural proteins. We use superresolution STED (STimulated Emission Depletion) nanoscopy to determine the size and shape of PSD95 in the anaesthetised mouse visual cortex...
January 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29316632/excessive-endoplasmic-reticulum-stress-correlates-with-impaired-mitochondrial-dynamics-mitophagy-and-apoptosis-in-liver-and-adipose-tissue-but-not-in-muscles-in-ems-horses
#17
Krzysztof Marycz, Katarzyna Kornicka, Jolanta Szlapka-Kosarzewska, Christine Weiss
Nowadays, endocrine disorders have become more frequent in both human and veterinary medicine. In horses, reduced physical activity combined with carbohydrate and sugar overload may result in the development of the so-called equine metabolic syndrome (EMS). EMS is characterized by insulin resistance, hyperinsulinemia, elevated blood triglyceride concentrations and usually obesity. Although the phenotypic features of EMS individuals are well known, the molecular mechanism underlying disease development remains elusive...
January 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29315551/the-impact-of-artificial-selection-on-morphological-integration-in-the-appendicular-skeleton-of-domestic-horses
#18
Pauline Hanot, Anthony Herrel, Claude Guintard, Raphaël Cornette
The relationships between the different component parts of organisms, such as the sharing of common development or function, produce a coordinated variation between the different traits. This morphological integration contributes to drive or constrain morphological variation and thus impacts phenotypic diversification. Artificial selection is known to contribute significantly to phenotypic diversification of domestic species. However, little attention has been paid to its potential impact on integration patterns...
January 8, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29315275/a-pilot-qualitative-investigation-of-stakeholders-experiences-and-opinions-of-equine-insect-bite-hypersensitivity-in-england
#19
Hannah R Lomas, Philip A Robinson
Equine insect bite hypersensitivity (IBH), commonly known as sweet itch or summer eczema, is a frustrating recurrent skin disease in the equine industry involving an immune reaction to the bites of Culicoides spp. midges. To investigate the impact of IBH in the field, an exploratory pilot study was conducted with equine stakeholders in one region of central England. Nine semi-structured, face-to-face interviews were conducted with horse owners and an equine veterinarian. The aim was to gain an understanding of experiences with IBH, and to gauge opinions on the value of the various management strategies horse owners use to control IBH...
January 9, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29314679/molecular-epidemiology-of-trichophyton-quinckeanum-a-zoophilic-dermatophyte-on-the-rise
#20
Silke Uhrlaß, Wieland Schroedl, Carolin Mehlhorn, Constanze Krüger, Vit Hubka, Thomas Maier, Yvonne Gräser, Uwe Paasch, Pietro Nenoff
BACKGROUND: Formerly only referred to as a subspecies (T. mentagrophytes var. quinckeanum), T. quinckeanum once again constitutes a distinct species according to the updated taxonomy of dermatophytes. PATIENTS AND METHODS: During routine diagnostic tests conducted at the Mycology Laboratory, Mölbis, Germany, between 11/2013 to 1/2017 (three years and three months), all specimens sent in were examined for T. quinckeanum. Molecular biology methods employed included: 1) DNA hybridization (PCR ELISA), 2) gene sequencing of the ITS region and TEF-1α, and 3) in some cases, MALDI-TOF mass spectrometry...
January 2018: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
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