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https://www.readbyqxmd.com/read/28335576/genome-wide-identification-and-evolutionary-analysis-of-sarcocystis-neurona-protein-kinases
#1
Edwin K Murungi, Henry M Kariithi
The apicomplexan parasite Sarcocystis neurona causes equine protozoal myeloencephalitis (EPM), a degenerative neurological disease of horses. Due to its host range expansion, S. neurona is an emerging threat that requires close monitoring. In apicomplexans, protein kinases (PKs) have been implicated in a myriad of critical functions, such as host cell invasion, cell cycle progression and host immune response evasion. Here, we used various bioinformatics methods to define the kinome of S. neurona and phylogenetic relatedness of its PKs to other apicomplexans...
March 21, 2017: Pathogens
https://www.readbyqxmd.com/read/28333983/alterations-in-amino-acid-status-in-cats-with-feline-dysautonomia
#2
Bruce C McGorum, Herb W Symonds, Clare Knottenbelt, Tom A Cave, Susan J MacDonald, Joanna Stratton, Irene Leon, Judith A Turner, R Scott Pirie
Feline dysautonomia (FD) is a multiple system neuropathy of unknown aetiology. An apparently identical disease occurs in horses (equine grass sickness, EGS), dogs, rabbits, hares, sheep, alpacas and llamas. Horses with acute EGS have a marked reduction in plasma concentrations of the sulphur amino acids (SAA) cyst(e)ine and methionine, which may reflect exposure to a neurotoxic xenobiotic. The aim of this study was to determine whether FD cats have alterations in amino acid profiles similar to those of EGS horses...
2017: PloS One
https://www.readbyqxmd.com/read/28333616/cross-sectional-surveillance-of-middle-east-respiratory-syndrome-coronavirus-mers-cov-in-dromedary-camels-and-other-mammals-in-egypt-august-2015-to-january-2016
#3
Mohamed Ali, Rabeh El-Shesheny, Ahmed Kandeil, Mahmoud Shehata, Basma Elsokary, Mokhtar Gomaa, Naglaa Hassan, Ahmed El Sayed, Ahmed El-Taweel, Heba Sobhy, Folorunso Oludayo Fasina, Gwenaelle Dauphin, Ihab El Masry, Abebe Wossene Wolde, Peter Daszak, Maureen Miller, Sophie VonDobschuetz, Emma Gardner, Subhash Morzaria, Juan Lubroth, Yilma Jobre Makonnen
A cross-sectional study was conducted in Egypt to determine the prevalence of Middle East respiratory syndrome coronavirus (MERS-CoV) in imported and resident camels and bats, as well as to assess possible transmission of the virus to domestic ruminants and equines. A total of 1,031 sera, 1,078 nasal swabs, 13 rectal swabs, and 38 milk samples were collected from 1,078 camels in different types of sites. In addition, 145 domestic animals and 109 bats were sampled. Overall, of 1,031 serologically-tested camels, 871 (84...
March 16, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28333298/occurrence-and-molecular-characteristics-of-esbl-ampc-producing-escherichia-coli-in-faecal-samples-from-horses-in-an-equine-clinic
#4
Ilias Apostolakos, Eelco Franz, Angela H A M van Hoek, Alice Florijn, Christiaan Veenman, Marianne M Sloet-van Oldruitenborgh-Oosterbaan, Cindy Dierikx, Engeline van Duijkeren
Objectives: To investigate the occurrence and characteristics of ESBL/AmpC-producing Escherichia coli in faecal samples from horses at one equine clinic in the Netherlands. Methods: A total of 91 horses, including residents and patients, were sampled. ESBL/AmpC-producing E. coli were identified by a combination disc diffusion test. Phylogenetic groups and MLST were determined. ESBL/AmpC genes were analysed using PCR and sequencing. Plasmids were characterized by transformation and PCR-based replicon typing...
March 13, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28332648/west-nile-virus-epizootics-in-the-camargue-france-in-2015-and-reinforcement-of-surveillance-and-control-networks
#5
C Bahuon, C Marcillaud-Pitel, L Bournez, A Leblond, C Beck, J Hars, I Leparc-Goffart, G L'Ambert, M-C Paty, L Cavalerie, C Daix, P Tritz, B Durand, S Zientara, S Lecollinet
West Nile virus (WNV) infection is a non-contagious disease mainly transmitted by the bites of infected mosquitoes from the genus Culex. The virus is maintained in a mosquito-bird-mosquito cycle, and can accidentally be transmitted to mammalian hosts. Among mammalian hosts, equines and humans are the most sensitive to WNV infection and can develop severe meningoencephalitis. As WNV infections are zoonotic and can be severe in humans and equines, West Nile fever is considered to be a public and animal health concern...
December 2016: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28332242/bilateral-oblique-facial-clefts-rudimentary-eyes-and-hydrocephalus-in-an-aborted-equine-foetus
#6
J S Agerholm, H G Pedersen, F J McEvoy, S Heegaard
Knowledge of congenital malformations and their causes in horses is generally sparse. Such conditions require more scientific attention to improve their diagnostics and inform prevention strategies. Here, a unique syndrome of bilateral oblique facial clefts (meloschisis), rudimentary eyes and hydrocephalus is reported in an equine foetus spontaneously aborted at gestation day 224. The cause of abortion was considered to be intrauterine death caused by umbilical cord torsions and subsequent compromised blood flow, but the aetiology of the malformation could not be determined...
March 22, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28331549/dynamics-of-5-methylcytosine-and-5-hydroxymethylcytosine-during-pronuclear-development-in-equine-zygotes-produced-by-icsi
#7
Sonia Heras, Katrien Smits, Catharina De Schauwer, Ann Van Soom
BACKGROUND: Global epigenetic reprogramming is considered to be essential during embryo development to establish totipotency. In the classic model first described in the mouse, the genome-wide DNA demethylation is asymmetric between the paternal and the maternal genome. The paternal genome undergoes ten-eleven translocation (TET)-mediated active DNA demethylation, which is completed before the end of the first cell cycle. Since TET enzymes oxidize 5-methylcytosine to 5-hydroxymethylcytosine, the latter is postulated to be an intermediate stage toward DNA demethylation...
2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/28331087/feline-immunodeficiency-virus-evolutionarily-acquires-two-proteins-vif-and-protease-capable-of-antagonizing-feline-apobec3
#8
Rokusuke Yoshikawa, Junko S Takeuchi, Eri Yamada, Yusuke Nakano, Naoko Misawa, Yuichi Kimura, Fengrong Ren, Takayuki Miyazawa, Yoshio Koyanagi, Kei Sato
The interplay between viral and host proteins has been well studied to elucidate virus-host interactions and their relevance to virulence. Mammalian genes encode apolipoprotein B mRNA-editing enzyme catalytic polypeptide-like 3 (APOBEC3) proteins, which act as intrinsic restriction factors against lentiviruses. To overcome APOBEC3-mediated anti-viral actions, lentiviruses have evolutionarily acquired an accessory protein, viral infectivity factor (Vif), and Vif degrades host APOBEC3 proteins via a ubiquitin/proteasome-dependent pathway...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28328147/effect-of-needle-diameter-on-the-viability-of-equine-bone-marrow-derived-mesenchymal-stem-cells
#9
Hayley M Lang, Lauren V Schnabel, Jennifer M Cassano, Lisa A Fortier
OBJECTIVES: Mesenchymal stem cells (MSCs) are frequently delivered via needle injection for treatment of musculoskeletal injuries. The purpose of this study was to evaluate the effect of needle diameter on the viability of MSCs. METHODS: Equine bone marrow-derived MSCs from 5 horses were suspended in PBS, and held at room temperature for 7 hours to mimic shipping conditions. Two replicate samples for each needle size (20, 22, 23, or 25-gauge [ga]) were aspirated into a 3 mL syringe and re-injected into the holding vial 3 times, to reproduce the resuspension of cells prior to injection in clinical cases...
March 22, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28327064/dimensions-of-65-extracted-equine-first-premolar-teeth
#10
Sam Luis Hole, Jane Marie Manfredi, Hilary Mary Clayton
The equine first premolar ("wolf tooth," Triadan number 05) is frequently extracted, and although extracted teeth have been observed to vary greatly in size, published data describing tooth dimensions are limited. Total length, root length, crown height, and crown width were measured in 65 extracted wolf teeth. Dimensions, expressed as median (range) mm, were total length: 21 (12-34), root length: 13.2 (0-19.6), crown height: 7 (2-20), and crown width: 7 (2.6-16). Root length exceeded crown height in 61 of the 65 teeth...
September 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28326979/a-retrospective-study-of-the-effectiveness-of-four-different-treatments-of-periodontal-disease-in-equine-cheek-teeth
#11
Kirsten Jackson, Lukas M Weber, Marc Tennant
Periodontal disease of equine cheek teeth is common and may lead to tooth loss if left untreated. Limited information is available comparing the effectiveness of treatment methods. The objective of this study was to retrospectively compare the effectiveness of 4 commonly used treatments in reducing periodontal pocket depth (in addition to routine dental treatment and occlusal equilibration). The 4 treatments compared were (1) removal of feed material, lavaging the pocket with dilute chlorhexidine, and then rinsing the mouth with chlorhexidine-containing mouthwash (CL); (2) CL plus placement of metronidazole into the pocket (M); (3) M plus the addition of polyvinyl siloxane temporary filling over the diastema (PVS); and (4) diastema widening to increase the interdental space, then PVS (DW)...
June 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28326634/influence-of-partial-or-total-replacement-of-glycerol-by-alternative-cryoprotectants-in-ghent-freezing-extender-on-post-thaw-sperm-quality-in-stallions
#12
R A De Oliveira, S Budik, C Aurich
Although glycerol is the cryoprotectant most commonly used in stallions, it has also a considerable toxicity for equine sperm. It was the aim of this study to analyse the quality of frozen-thawed stallion semen after complete or partial replacement of glycerol in the freezing extender by alternative cryoprotectants. We hypothesized that partial or total replacement of glycerol by cryoprotectants occurring in cold-resistant frog, insect or plant species results in similar or better semen quality after freezing-thawing...
March 21, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28325184/equine-pharmacology
#13
EDITORIAL
K Gary Magdesian
No abstract text is available yet for this article.
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28325183/antiherpetic-drugs-in-equine-medicine
#14
REVIEW
Lara K Maxwell
Since vaccination may not prevent disease, antiherpetic drugs have been investigated for the therapy of several equine herpesviruses. Drug efficacy has been assessed in horses with disease, but most evidence is in vitro, in other species, or empirical. Oral valacyclovir is most often administered in the therapy of equine herpesvirus type-1 (EHV-1) to protect adult horses from equine herpesvirus myeloencephalopathy, while oral acyclovir is frequently administered for EHV-5 infection in the therapy of equine multinodular pulmonary fibrosis...
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28325180/compounding-of-veterinary-drugs-for-equine-practitioners
#15
REVIEW
Scott D Stanley, Krysta Moffitt, Valerie Wiebe
Equine practitioners should follow these recommendations when using compounded medications: (1) the decision must be veterinary driven, based on a valid veterinarian-client-patient relationship and on evidence-based medicine; (2) compliance with the Animal Medicinal Drug Use Clarification Act of 1994; and (3) use limited to (a) horses for which no other method or route of drug delivery is practical; (b) those drugs for which safety, efficacy, and stability have been demonstrated; or (c) disease conditions for which a quantifiable response to therapy or drug concentration can be monitored...
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28325179/pain-management-in-horses
#16
REVIEW
Alonso Guedes
There has been great progress in the understanding of basic neurobiologic mechanisms of pain, but this body of knowledge has not yet translated into new and improved analgesics. Progress has been made regarding pain assessment in horses, but more work is needed until sensitive and accurate pain assessment tools are available for use in clinical practice. This review summarizes and updates the knowledge concerning the cornerstones of pain medicine (understand, assess, prevent, and treat). It highlights the importance of understanding pain mechanisms and expressions to enable a rational approach to pain assessment, prevention, and management in the equine patient...
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28325178/corticosteroids-and-immune-suppressive-therapies-in-horses
#17
REVIEW
Mathilde Leclere
Immune suppressive therapies target exaggerated and deleterious responses of the immune system. Triggered by exogenous or endogenous factors, these improper responses can lead to immune or inflammatory manifestations, such as urticaria, equine asthma, or autoimmune and immune-mediated diseases. Glucocorticoids are the most commonly used immune suppressive drugs and the only ones supported by robust evidence of clinical efficacy in equine medicine. In some conditions, combining glucocorticoids with other pharmacologic and nonpharmacologic treatments, such as azathioprine, antihistamine, bronchodilators, environmental management, or desensitization, can help to decrease dosages and associated side effects...
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28325177/equine-cardiovascular-therapeutics
#18
REVIEW
Meg M Sleeper
Heart disease can be defined as any abnormality of the heart whether it is a cardiac dysrhythmia or structural heart disease, either congenital or acquired. Heart failure occurs when a cardiac abnormality results in the inability of the heart to pump enough blood to meet the body's needs. Heart disease can be present without leading to heart failure. Heart failure, however, is a consequence of heart disease. There are 4 main areas where the clinician can intervene to improve cardiac output with heart failure: preload, afterload, myocardial contractility, and heart rate...
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28325176/therapeutics-for-equine-gastric-ulcer-syndrome
#19
REVIEW
Fereydon Rezazadeh Zavoshti, Frank M Andrews
Equine gastric ulcer syndrome (EGUS) is an umbrella term used to describe ulcers in the nonglandular squamous and glandular mucosa, terminal esophagus, and proximal duodenum. Gastric ulcers in the squamous and glandular regions occur more often than esophageal or duodenal ulcers and likely have a different pathogenesis. At present, omeprazole is accepted globally as the best pharmacologic therapy for both regions of the stomach; however, the addition of coating agents and synthetic prostaglandins could add to its effectiveness in treatment of EGUS...
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28323042/comparison-of-intravaginal-0-5-prasterone-0-3mg-conjugated-estrogens-and-10%C3%AE-g-estradiol-on-estrogen-related-symptoms-of-vulvovaginal-atrophy
#20
REVIEW
David F Archer, Fernand Labrie, Marlene Montesino, Céline Martel
The objective is to compare the effect of intravaginal dehydroepiandrosterone (DHEA, prasterone), conjugated equine estrogens (CEE) and estradiol (E2) on moderate to severe dyspareunia and/or vaginal dryness. In a review of available data, independent prospective, randomized, double-blind and placebo-controlled Phase III 12-week clinical trials involved daily administration of 6.5mg (0.50%) prasterone, daily (21days on/7days off) 0.3mg CEE, twice weekly 0.3mg CEE or 10 μg E2 daily for 2 weeks followed by twice weekly for 10 weeks...
March 17, 2017: Journal of Steroid Biochemistry and Molecular Biology
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