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https://www.readbyqxmd.com/read/28081156/generation-of-a-stable-transgenic-swine-model-expressing-a-porcine-histone-2b-egfp-fusion-protein-for-cell-tracking-and-chromosome-dynamics-studies
#1
Renan B Sper, Sehwon Koh, Xia Zhang, Sean Simpson, Bruce Collins, Jeff Sommer, Robert M Petters, Ignacio Caballero, Jeff L Platt, Jorge A Piedrahita
Transgenic pigs have become an attractive research model in the field of translational research, regenerative medicine, and stem cell therapy due to their anatomic, genetic and physiological similarities with humans. The development of fluorescent proteins as molecular tags has allowed investigators to track cell migration and engraftment levels after transplantation. Here we describe the development of two transgenic pig models via SCNT expressing a fusion protein composed of eGFP and porcine Histone 2B (pH2B)...
2017: PloS One
https://www.readbyqxmd.com/read/28076681/computational-modeling-of-neurotransmitter-release-evoked-by-electrical-stimulation-non-linear-approaches-to-predicting-stimulation-evoked-dopamine-release
#2
James K Trevathan, Ali Yousefi, Hyung Ook Park, John J Bartoletta, Kip A Ludwig, Kendall H Lee, J Luis Lujan
Neurochemical changes evoked by electrical stimulation of the nervous system have been linked to both therapeutic and undesired effects of neuromodulation therapies used to treat obsessive-compulsive disorder, depression, epilepsy, Parkinson's disease, stroke, hypertension, tinnitus, and many other indications. In fact, interest in better understanding the role of neurochemical signaling in neuromodulation therapies has been a focus of recent government- and industry-sponsored programs whose ultimate goal is to usher in an era of personalized medicine by creating neuromodulation therapies that respond to real-time changes in patient status...
January 11, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28070330/the-approximated-cardiovascular-reserve-index-complies-with-haemorrhage-related-hemodynamic-deterioration-pattern-a-swine-exsanguination-model
#3
Roy Nadler, Elon Glassberg, Itay E Gabbay, Linn Wagnert-Avraham, Gal Yaniv, David Kushnir, Arik Eisenkraft, Ben-Zion Bobrovsky, Uri Gabbay
BACKGROUND: To estimate the cardiovascular reserve we formulated the Cardiovascular Reserve Index (CVRI) based on physiological measurements. The aim of this study was to evaluate the pattern of CVRI in haemorrhage-related haemodynamic deterioration in an animal model simulating combat injury. METHODS: Data were collected retrospectively from a research database of swine exsanguination model in which serial physiological measurements were made under anesthesia in 12 swine of haemorrhagic injury and 5 controls...
February 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28069290/classical-swine-fever-vaccines-state-of-the-art
#4
Sandra Blome, Claudia Moß, Ilona Reimann, Patricia König, Martin Beer
Due to its impact on animal health and pig industry, classical swine fever (CSF) is still one of the most important viral diseases of pigs. To control the disease, safe and highly efficacious live attenuated vaccines exist for decades. These vaccines have usually outstanding efficacy and safety but lack differentiability of infected from vaccinated animals (DIVA or marker strategy). In contrast, the first generation of E2 subunit marker vaccines shows constraints in efficacy, application, and production. To overcome these limitations, new generations of marker vaccines are developed...
January 3, 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28026174/comprehensive-analysis-of-tiamulin-metabolites-in-various-species-of-farm-animals-using-ultra-high-performance-liquid-chromatography-coupled-to-quadrupole-time-of-flight
#5
Feifei Sun, Shupeng Yang, Huiyan Zhang, Jinhui Zhou, Yi Li, Jinzhen Zhang, Yue Jin, Zhanhui Wang, Yanshen Li, Jianzhong Shen, Suxia Zhang, Xingyuan Cao
Tiamulin is an antimicrobial widely used in veterinary practice to treat dysentery and pneumonia in pigs and poultry. However, knowledge about the metabolism of tiamulin is very limited in farm animals. To better understand the biotransformation of tiamulin, in the present study, in vitro and in vivo metabolites of tiamulin in rats, chickens, swine, goats, and cows were identified and elucidated using ultra-high performance liquid chromatography coupled to quadrupole/time-of-flight. As a result, a total of 26 metabolites of tiamulin, identified in vitro and in vivo, and majority of metabolites were revealed for the first time...
December 27, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27939149/kinetics-of-maternally-derived-antibodies-upon-intramuscular-vaccination-against-classical-swine-fever-with-suvaxyn-%C3%A2-csf-marker-cp7_e2alf
#6
Charlotte Schröder, Carolin Dräger, Andrea Aebischer, Lisa Dähnert, Christiane Breidenstein, Svenja Mamerow, Simone Leidenberger, Martin Beer, Sandra Blome
Classical swine fever (CSF) remains one of the most important viral diseases that impact on sustainable pig production world wide. To control the disease in either endemic situations or in case of large, high-impact contingencies, safe and highly efficacious live attenuated vaccines exist since decades. However, until recently, the available live vaccines did not allow a serological marker concept that would be important to circumvent long-term trade restrictions. Recently, a new live attenuated marker vaccine, Suvaxyn(®) CSF Marker (Zoetis), was licensed by the European Medicines Agency (EMA)...
November 30, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27927254/informal-networks-in-disaster-medicine
#7
Fadl Bdeir, John W Crawford, Liaquat Hossain
OBJECTIVE: Our study of informal networks aimed to explore information-sharing environments for the management of disaster medicine and public health preparedness. Understanding interagency coordination in preparing for and responding to extreme events such as disease outbreaks is central to reducing risks and coordination costs. METHODS: We evaluated the pattern of information flow for actors involved in disaster medicine through social network analysis. Social network analysis of agencies can serve as a basis for the effective design and reconstruction of disaster medicine response coordination structures...
December 8, 2016: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/27925870/hydrogen-sulfide-enhances-pancreatic-%C3%AE-cell-differentiation-from-human-tooth-under-normal-and-glucotoxic-conditions
#8
Ioan Valentin Matei, Hisataka Ii, Ken Yaegaki
AIM: Glucotoxicity obstructs pancreatic differentiation from adult stem cells. The aim was to develop a novel protocol for differentiation of dental pulp stem cells (DPSCs) into pancreatic β cells and determine the effect of H2S on glucotoxicity. MATERIALS & METHODS: DPSCs were differentiated with media containing 5.5 or 25.0 mM glucose, exposed to 1 ng/ml H2S. Glucotoxicity, expression of β-cell markers, INS, PDX1 and GLUT2, and PI3K/AKT pathway were assessed...
December 7, 2016: Regenerative Medicine
https://www.readbyqxmd.com/read/27891118/colistin-in-pig-production-chemistry-mechanism-of-antibacterial-action-microbial-resistance-emergence-and-one-health-perspectives
#9
REVIEW
Mohamed Rhouma, Francis Beaudry, William Thériault, Ann Letellier
Colistin (Polymyxin E) is one of the few cationic antimicrobial peptides commercialized in both human and veterinary medicine. For several years now, colistin has been considered the last line of defense against infections caused by multidrug-resistant Gram-negative such as Acinetobacter baumannii, Pseudomonas aeruginosa, and Klebsiella pneumoniae. Colistin has been extensively used orally since the 1960s in food animals and particularly in swine for the control of Enterobacteriaceae infections. However, with the recent discovery of plasmid-mediated colistin resistance encoded by the mcr-1 gene and the higher prevalence of samples harboring this gene in animal isolates compared to other origins, livestock has been singled out as the principal reservoir for colistin resistance amplification and spread...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27873166/a-dangerous-hobby-erysipelothrix-rhusiopathiae-bacteremia-most-probably-acquired-from-freshwater-aquarium-fish-handling
#10
E Asimaki, O Nolte, G Overesch, C Strahm
Erysipelothrix rhusiopathiae is a facultative anaerobic Gram-positive rod that occurs widely in nature and is best known in veterinary medicine for causing swine erysipelas. In humans, infections are rare and mainly considered as occupationally acquired zoonosis. A case of E. rhusiopathiae bacteremia most likely associated with home freshwater aquarium handling is reported. The route of transmission was probably a cut with the dorsal fin of a dead pet fish. A short review of clinical presentations, therapeutic considerations and pitfalls of E...
November 21, 2016: Infection
https://www.readbyqxmd.com/read/27770469/toward-imaging-the-body-at-10-5-tesla
#11
M Arcan Ertürk, Xiaoping Wu, Yiğitcan Eryaman, Pierre-François Van de Moortele, Edward J Auerbach, Russell L Lagore, Lance DelaBarre, J Thomas Vaughan, Kâmil Uğurbil, Gregor Adriany, Gregory J Metzger
PURPOSE: To explore the potential of performing body imaging at 10.5 Tesla (T) compared with 7.0T through evaluating the transmit/receive performance of similarly configured dipole antenna arrays. METHODS: Fractionated dipole antenna elements for 10.5T body imaging were designed and evaluated using numerical simulations. Transmit performance of antenna arrays inside the prostate, kidneys and heart were investigated and compared with those at 7.0T using both phase-only radiofrequency (RF) shimming and multi-spoke pulses...
January 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27738916/use-of-antibiotics-and-antimicrobial-resistance-in-veterinary-medicine-as-exemplified-by-the-swine-pathogen-streptococcus-suis
#12
Maren Seitz, Peter Valentin-Weigand, Jörg Willenborg
Use of antimicrobial agents in veterinary medicine is essential to control infectious diseases, thereby keeping animals healthy and animal products safe for the consumer. On the other hand, development and spread of antimicrobial resistance is of major concern for public health. Streptococcus (S.) suis reflects a typical bacterial pathogen in modern swine production due to its facultative pathogenic nature and wide spread in the pig population. Thus, in the present review we focus on certain current aspects and problems related to antimicrobial use and resistance in S...
2016: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/27597136/spontaneous-adverse-drug-reaction-reports-for-neonates-and-infants-in-the-uk-2001-2010-content-and-utility-analysis
#13
Daniel B Hawcutt, Nicki-Jayne Russell, Hannah Maqsood, Koushan Kouranloo, Simon Gomberg, Catriona Waitt, Andrew Sharp, Andrew Riordan, Mark A Turner
AIMS: The UK Medicines and Healthcare products Regulatory Agency (MHRA) runs a national spontaneous reporting system (Yellow Card [YC] Scheme) to collect 'suspected' adverse drug reaction (ADR) data. We aim to describe the content and utility of YC reports received for patients aged <2 years. METHODS: Data on all ADRs reported using YC in infants aged <2 years from the years 2001-10 were supplied by the MHRA. RESULTS: For infants age <2 years, 3496 suspected ADRs were reported using YC (paternal medication pre-conception n = 3, transplacental n = 246, transmammary n = 30, neonates n = 97, infant n = 477, and vaccinations n = 2673), averaging 0...
December 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27523739/efficacy-of-suvaxyn-csf-marker-cp7_e2alf-in-the-presence-of-pre-existing-antibodies-against-bovine-viral-diarrhea-virus-type-1
#14
Carolin Dräger, Charlotte Schröder, Patricia König, Birthe Tegtmeyer, Martin Beer, Sandra Blome
Classical swine fever (CSF) is still one of the most important viral diseases of pigs worldwide and outbreaks are notifiable to the OIE. The different control options also include (emergency) vaccination, preferably with a vaccine that allows differentiation of infected from vaccinated animals (DIVA principle). Recently, the chimeric pestivirus "CP7_E2alf" (Suvaxyn® CSF Marker, Zoetis) was licensed as live attenuated marker vaccine by the European Medicines Agency (EMA). In the context of risk assessments for an emergency vaccination scenario, the question has been raised whether pre-existing anti-pestivirus antibodies, especially against the vaccine backbone Bovine viral diarrhea virus type 1 (BVDV-1), would interfere with "CP7_E2alf" vaccination and the accompanying DIVA diagnostics...
September 7, 2016: Vaccine
https://www.readbyqxmd.com/read/27461242/hepatitis-e-virus-derived-from-different-sources-exhibits-different-behaviour-in-virus-inactivation-and-or-removal-studies-with-plasma-derivatives
#15
Mikihiro Yunoki, Hiroyuki Tanaka, Kadue Takahashi, Takeru Urayama, Shinji Hattori, Shoji Ideno, Rie Furuki, Kaoru Sakai, Katsuro Hagiwara, Kazuyoshi Ikuta
Hepatitis E virus (HEV) causes viral hepatitis, and is considered a risk factor for blood products. Although some HEV inactivation/removal studies have been reported, detailed investigations of different manufacturing steps as heat treatment, partitioning during cold ethanol fractionation, low pH treatment, and virus filtration have yet to be reported for plasma-derived medicinal products. In this study, human serum- and swine faeces-derived HEVs, with and without detergent treatment, were used. The kinetic patterns of inactivation, log reduction value, or partitioning during the process were evaluated...
September 2016: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/27301442/anthelmintic-properties-of-traditional-african-and-caribbean-medicinal-plants-identification-of-extracts-with-potent-activity-against-ascaris-suum-in-vitro
#16
Andrew R Williams, Jens Soelberg, Anna K Jäger
Ascariasis affects more than 1 billion people worldwide, mainly in developing countries, causing substantial morbidity. Current treatments for Ascaris infection are based on mass drug administration (MDA) with synthetic anthelmintic drugs such as albendazole, however continual re-infection and the threat of drug resistance mean that complementary treatment options would be highly valuable. Here, we screened ethanolic extracts from 29 medicinal plants used in Africa (Ghana) and the Caribbean (US Virgin Islands) for in vitro anthelmintic properties against Ascaris suum, a swine parasite that is very closely related to the human A...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/27234675/resistance-to-colistin-what-is-the-fate-for-this-antibiotic-in-pig-production
#17
REVIEW
Mohamed Rhouma, Francis Beaudry, Ann Letellier
Colistin, a cationic polypeptide antibiotic, has reappeared in human medicine as a last-line treatment option for multidrug-resistant Gram-negative bacteria (MDR-GNB). Colistin is widely used in veterinary medicine for the treatment of gastrointestinal infections caused by Enterobacteriaceae. GNB resistant to colistin owing to chromosomal mutations have already been reported both in human and veterinary medicine, however several recent studies have just identified a plasmid-mediated mcr-1 gene encoding for colistin resistance in Escherichia coli colistin resistance...
August 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27218014/chlamydial-antibiotic-resistance-and-treatment-failure-in-veterinary-and-human-medicine
#18
Nicole Borel, Cory Leonard, Jessica Slade, Robert V Schoborg
The Chlamydiaceae are widespread pathogens of both humans and animals. Chlamydia trachomatis infection causes blinding trachoma and reproductive complications in humans. Chlamydia pneumoniae causes human respiratory tract infections and atypical pneumonia. Chlamydia suis infection is associated with conjunctivitis, diarrhea, and failure to gain weight in domestic swine. Chlamydial infections in humans and domesticated animals are generally controlled by antibiotic treatment-particularly macrolides (usually azithromycin) and tetracyclines (tetracycline and doxycycline)...
2016: Current Clinical Microbiology Reports
https://www.readbyqxmd.com/read/27154646/determination-of-aminoglycoside-residues-in-milk-and-muscle-based-on-a-simple-and-fast-extraction-procedure-followed-by-liquid-chromatography-coupled-to-tandem-mass-spectrometry-and-time-of-flight-mass-spectrometry
#19
Juliana Bazzan Arsand, Louíse Jank, Magda Targa Martins, Rodrigo Barcellos Hoff, Fabiano Barreto, Tânia Mara Pizzolato, Carla Sirtori
Antibiotics are widely used in veterinary medicine mainly for treatment and prevention of diseases. The aminoglycosides are one of the antibiotics classes that have been extensively employed in animal husbandry for the treatment of bacterial infections, but also as growth promotion. The European Union has issued strict Maximum Residue Levels (MRLs) for aminoglycosides in several animal origin products including bovine milk, bovine, swine and poultry muscle. This paper describes a fast and simple analytical method for the determination of ten aminoglycosides (spectinomycin, tobramycin, gentamicin, kanamycin, hygromycin, apramycin, streptomycin, dihydrostreptomycin, amikacin and neomycin) in bovine milk and bovine, swine and poultry muscle...
July 1, 2016: Talanta
https://www.readbyqxmd.com/read/27113360/protection-against-streptococcus-suis-serotype-2-infection-using-a-capsular-polysaccharide-glycoconjugate-vaccine
#20
Guillaume Goyette-Desjardins, Cynthia Calzas, Tze Chieh Shiao, Axel Neubauer, Jennifer Kempker, René Roy, Marcelo Gottschalk, Mariela Segura
Streptococcus suis serotype 2 is an encapsulated bacterium and one of the most important bacterial pathogens in the porcine industry. Despite decades of research for an efficient vaccine, none is currently available. Based on the success achieved with other encapsulated pathogens, a glycoconjugate vaccine strategy was selected to elicit opsonizing anti-capsular polysaccharide (anti-CPS) IgG antibodies. In this work, glycoconjugate prototypes were prepared by coupling S. suis type 2 CPS to tetanus toxoid, and the immunological features of the postconjugation preparations were evaluated in vivo In mice, experiments evaluating three different adjuvants showed that CpG oligodeoxyribonucleotide (ODN) induces very low levels of anti-CPS IgM antibodies, while the emulsifying adjuvants Stimune and TiterMax Gold both induced high levels of IgGs and IgM...
July 2016: Infection and Immunity
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