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https://www.readbyqxmd.com/read/28651094/in-vitro-susceptibility-of-brachyspira-hyodysenteriae-to-a-commercial-citrus-fruit-extract
#1
Pedro J G de Nova, Ana Carvajal, Miguel Prieto, Pedro Rubio
Brachyspira hyodysenteriae is the main etiological agent of swine dysentery (SD). Nowadays, treatment and control of SD is increasingly difficult due to the emergence of antimicrobial resistance together with the restrictions on the use of antibiotics in veterinary practice. The aim of this study was to evaluate, as an alternative in the control of this disease, the antimicrobial activity and the main mechanism of action of BIOCITRO, a citrus extract commercialized as raw material and used as feed additive, against B...
June 20, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28650672/campylobacter-species-isolated-from-pigs-in-grenada-exhibited-novel-clones-genotypes-and-antimicrobial-resistance-profiles-of-sequence-types
#2
Victor A Amadi, Vanessa Matthew-Belmar, Charmarthy Subbarao, Isaac Kashoma, Gireesh Rajashekara, Ravindra Sharma, Harry Hariharan, Diana Stone
Infections caused by Campylobacter species pose a severe threat to public health worldwide. However, in Grenada, the occurrence and characteristics of Campylobacter in food animals, including pigs, remain mostly unknown. In this study, we identified the sequence types (STs) of Campylobacter from young healthy pigs in Grenada and compared the results with previous studies in Grenada and other countries. Antimicrobial resistance patterns and diversity of the Campylobacter clones were evaluated. Ninety-nine Campylobacter isolates (97 Campylobacter coli and 2 Campylobacter jejuni) were analyzed by multilocus sequence typing...
June 26, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28649439/mechanisms-of-action-of-sacubitril-valsartan-on-cardiac-remodeling-a-systems-biology-approach
#3
Oriol Iborra-Egea, Carolina Gálvez-Montón, Santiago Roura, Isaac Perea-Gil, Cristina Prat-Vidal, Carolina Soler-Botija, Antoni Bayes-Genis
Sacubitril/Valsartan, proved superiority over other conventional heart failure management treatments, but its mechanisms of action remains obscure. In this study, we sought to explore the mechanistic details for Sacubitril/Valsartan in heart failure and post-myocardial infarction remodeling, using an in silico, systems biology approach. Myocardial transcriptome obtained in response to myocardial infarction in swine was analyzed to address post-infarction ventricular remodeling. Swine transcriptome hits were mapped to their human equivalents using Reciprocal Best (blast) Hits, Gene Name Correspondence, and InParanoid database...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28647517/proteomics-to-study-macrophage-response-to-viral-infection
#4
Tuula A Nyman, Sampsa Matikainen
Viral infections are a major burden to human and animal health. Immune response against viruses consists of innate and adaptive immunity which are both critical for the eradication of the viral infection. The innate immune system is the first line of defense against viral infections. Proper innate immune response is required for the activation of adaptive, humoral and cell-mediated immunity. Macrophages are innate immune cells which have a central role in detecting viral infections including influenza A and human immunodeficiency viruses...
June 21, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28646867/a-high-quality-annotated-transcriptome-of-swine-peripheral-blood
#5
Haibo Liu, Timothy P L Smith, Dan J Nonneman, Jack C M Dekkers, Christopher K Tuggle
BACKGROUND: High throughput gene expression profiling assays of peripheral blood are widely used in biomedicine, as well as in animal genetics and physiology research. Accurate, comprehensive, and precise interpretation of such high throughput assays relies on well-characterized reference genomes and/or transcriptomes. However, neither the reference genome nor the peripheral blood transcriptome of the pig have been sufficiently assembled and annotated to support such profiling assays in this emerging biomedical model organism...
June 24, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28646559/pandemic-h1n1-2009-influenza-a-virus-infection-associated-with-respiratory-signs-in-sloth-bears-melursus-ursinus
#6
N C Boedeker, M I Nelson, M L Killian, M K Torchetti, T Barthel, S Murray
In 2009, a pandemic influenza A virus (pH1N1) spread globally in humans and infected a broad range of captive animals with close human contact. In February 2014, a pH1N1 virus was isolated from a sloth bear with respiratory signs at a US zoo, demonstrating that recurring epidemics present an ongoing threat to animals, including threatened species. This is the first report of pH1N1 infection in sloth bears. To understand the sloth bear virus within the global context of pH1N1, phylogenetic trees were inferred including full-length sequences from available non-human, non-swine hosts, representing four families in the order Carnivora and one order of birds...
June 23, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28644752/expression-and-purification-of-swine-rag2-in-e-coli-for-production-of-porcine-rag2-polyclonal-antibodies
#7
Yu-Bei Jin, Wen-Tao Yang, Ke-Yan Huang, Hong-Liang Chen, Seria-Masole Shonyela, Jing Liu, Qiong Liu, Bo Feng, You Zhou, Shu-Li Zhi, Yan-Long Jiang, Jian-Zhong Wang, Hai-Bin Huang, Chun-Wei Shi, Gui-Lian Yang, Chun-Feng Wang
Recombination activating gene 2 (RAG2) is necessary for immature B cell differentiation. Antibodies to human and rabbit RAG2 are currently commercially available, but antibodies to swine RAG remain unavailable to date. In this study, the swine RAG2 genes sequence was synthesized and then cloned into a pET-28a vector. The recombinant fusion protein was successfully expressed in E. coli, purified through nickel column chromatography, and further digested with Tobacco Etch Virus protease. The cleaved protein was purified by molecular-exclusion chromatography and named pRAG2...
June 23, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28644688/intraosseous-administration-of-antidotes-a-systematic-review
#8
Audrée Elliott, Pierre-André Dubé, Amélie Cossette-Côté, Laura Patakfalvi, Eric Villeneuve, Martin Morris, Sophie Gosselin
CONTEXT: Intraosseous (IO) access is an established route of administration in resuscitation situations. Patients with serious poisoning presenting to the emergency department may require urgent antidote therapy. However, intravenous (IV) access is not always readily available. OBJECTIVE: This study reviews the current evidence for IO administration of antidotes that could be used in poisoning. The primary outcome was mortality as a surrogate of efficacy. Secondary outcomes included hemodynamic variables, electrocardiographic variables, neurological status, pharmacokinetics outcomes, and adverse effects as defined by each article...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28644516/hemostatic-efficiency-of-modern-topical-sealants-comparative-evaluation-after-liver-resection-and-splenic-laceration-in-a-swine-model
#9
Hamidreza Fonouni, Arash Kashfi, Ali Majlesara, Oliver Stahlheber, Lukas Konstantinidis, Negin Gharabaghi, Thomas W Kraus, Arianeb Mehrabi, Hani Oweira
Parenchymal transection during hepatobiliary surgery can disrupt small vasculature or bile ducts, which could be managed difficultly. Sealants are helpful tools to achieve better hemostasis. The aim of this study is to analyze the hemostatic efficiency of four modern sealants in a porcine model. In this study, 40 landrace pigs were assigned equally to the control (without sealant) and four sealant groups. Standardized liver resection and splenic lesions were performed and left without using sealant (control) or treated with one of the following sealants: TachoSil(®) , Tissucol Duo(®) , Coseal(®) , and FloSeal(®) ...
June 23, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28643555/unexpected-detection-of-porcine-rotavirus-c-strains-carrying-human-origin-vp6-gene
#10
Jobin Jose Kattoor, Sharad Saurabh, Yashpal Singh Malik, Shubhankar Sircar, Kuldeep Dhama, Souvik Ghosh, Krisztián Bányai, Nobumichi Kobayashi, Raj Kumar Singh
BACKGROUND: Rotavirus C (RVC), a known etiological agent of diarrheal outbreaks, mainly inflicts swine population globally with sporadic incidence in human, cattle, ferret, mink and dog. OBJECTIVE: To demonstrate presence of RVC in Indian swine population and characterisation of its selected structural (VP6) and non-structural (NSP4 and NSP5) genes. METHODS: A total of 108 diarrheic samples from different regions of India were used. Isolated RNA was loaded onto polyacrylamide gel to screen for the presence of RVs through the identification of specific electrophoretic genomic migration pattern...
June 23, 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28643180/first-complete-genome-sequences-of-genogroup-v-genotype-3-porcine-sapoviruses-common-5-terminal-genomic-feature-of-sapoviruses
#11
Tomoichiro Oka, Yen Hai Doan, Takashi Shimoike, Kei Haga, Takenori Takizawa
Sapoviruses (SaVs) are enteric viruses and have been detected in various mammals. They are divided into multiple genogroups and genotypes based on the entire major capsid protein (VP1) encoding region sequences. In this study, we determined the first complete genome sequences of two genogroup V, genotype 3 (GV.3) SaV strains detected from swine fecal samples, in combination with Illumina MiSeq sequencing of the libraries prepared from viral RNA and PCR products. The lengths of the viral genome (7494 nucleotides [nt] excluding polyA tail) and short 5'-untranslated region (14 nt) as well as two predicted open reading frames are similar to those of other SaVs...
June 22, 2017: Virus Genes
https://www.readbyqxmd.com/read/28643076/scintigraphic-peritoneography-reveals-a-non-uniform-99m-tc-pertechnetat-aerosol-distribution-pattern-for-pressurized-intra-peritoneal-aerosol-chemotherapy-pipac-in-a-swine-model
#12
Alexander Bellendorf, Veria Khosrawipour, Tanja Khosrawipour, Simon Siebigteroth, Joseph Cohnen, David Diaz-Carballo, Andreas Bockisch, Jürgen Zieren, Urs Giger-Pabst
BACKGROUND: Although recent data are contradictory, it is still claimed that Pressurized Intra-Peritoneal Aerosol Chemotherapy (PIPAC) would deliver an aerosol which distributes homogeneously throughout the entire abdominal cavity. METHODS: (99m)Tc-Pertechnetat was administered in four postmortem swine using either PIPAC or liquid intra-peritoneal chemotherapy (IPC). The animals were examined by planar scintigraphy and SPECT/CT. Planar distribution images were divided into four regions of interest (ROIs: right/left upper and lower abdominal quadrant)...
June 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28642571/pharmacokinetic-and-pharmacodynamic-modeling-of-cyadox-against-clostridium-perfringens-in-swine
#13
Lei Yan, Shuyu Xie, Dongmei Chen, Yuanhu Pan, Yanfei Tao, Wei Qu, ZhenLi Liu, Zonghui Yuan, Lingli Huang
The purpose of this study was to evaluate the activity of cyadox against Clostridium perfringens in swine and optimize the dosage regimen using ex vivo pharmacokinetic-pharmacodynamic (PK-PD) modeling. After oral administration, the ileum fluid of pigs containing the free cyadox was collected by implanted ultrafiltration probes. The Tmax, AUC24h, and CL/F of free cyadox in the ileum fluid were 1.96 h, 106.40 μg/h/mL, and 0.27 L/kg/h, respectively. Cyadox displayed a concentration-dependent killing action against C...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642467/targeting-coronaviral-replication-and-cellular-jak2-mediated-dominant-nf-%C3%AE%C2%BAb-activation-for-comprehensive-and-ultimate-inhibition-of-coronaviral-activity
#14
Cheng-Wei Yang, Yue-Zhi Lee, Hsing-Yu Hsu, Chuan Shih, Yu-Sheng Chao, Hwan-You Chang, Shiow-Ju Lee
Tylophorine-based compounds exert broad spectral, potent inhibition of coronaviruses. NF-κB activation is a common pro-inflammatory response of host cells to viral infection. The aims of this study were to (i) find an effective combination treatment for coronaviral infections through targeting of the virus per se and cellular NF-κB activity; and (ii) to study the underling mechanisms. We found that tylophorine-based compounds target the TGEV viral RNA and effectively inhibit TGEV replication. NF-κB inhibition also leads to anti-TGEV replication...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28640606/pharmacokinetics-of-mequindox-and-its-marker-residue-1-4-bisdesoxymequindox-in-swine-following-multiple-oral-gavage-and-intramuscular-administration-an-experimental-study-coupled-with-population-physiologically-based-pharmacokinetic-modeling
#15
Dongping Zeng, Zhoumeng Lin, Binghu Fang, Miao Li, Ronette Gehring, Jim E Riviere, ZhenLing Zeng
Mequindox (MEQ) is a quinoxaline-N,N-dioxide antibiotic used in food-producing animals. MEQ residue in animal-derived foods is a food safety concern. The tissue distribution of MEQ and its marker residue 1,4-bisdesoxymequindox (M1) was determined in swine following oral gavage or intramuscular injection twice daily for 3 days. The experimental data were used to construct a flow-limited physiologically based pharmacokinetic (PBPK) model. The model predictions correlated with available data well. Monte Carlo analysis showed that the times needed for M1 concentrations to fall below limit of detection (5 µg/kg) in liver for the 99th percentile of the population were 27 and 34 days after oral gavage and intramuscular administration twice daily for 3 days, respectively...
June 22, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28639977/topical-delivery-of-immunosuppression-to-prolong-xenogeneic-and-allogeneic-split-thickness-skin-graft-survival
#16
Melissa Mastroianni, Zhi Yang Ng, Ritu Goyal, Christopher Mallard, Evan A Farkash, David A Leonard, Alexander Albritton, Kumaran Shanmugarajah, Josef M Kurtz, David H Sachs, Lauren K Macri, Joachim Kohn, Curtis L Cetrulo
Cadaveric skin allograft is the current standard of treatment for temporary coverage of large burn wounds. Porcine xenografts are viable alternatives but undergo α-1,3-galactose (Gal)-mediated hyperacute rejection and are lost by POD 3 because of naturally occurring antibodies to Gal in primate recipients. Using baboons, we previously demonstrated that xenografts from GalT-KO swine (lacking Gal) provided wound coverage comparable with allografts with systemic immunosuppression. In this study, we investigate topical immunosuppression as an alternative to prolong xenograft survival...
June 7, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28639938/a-pilot-study-of-large-scale-production-of-mutant-pigs-by-enu-mutagenesis
#17
Tang Hai, Chunwei Cao, Haitao Shang, Weiwei Guo, Yanshuang Mu, Shulin Yang, Ying Zhang, Qiantao Zheng, Tao Zhang, Xianlong Wang, Yu Liu, Qingran Kong, Kui Li, Dayu Wang, Meng Qi, Qianlong Hong, Rui Zhang, Xiupeng Wang, Qitao Jia, Xiao Wang, Guosong Qin, Yongshun Li, Ailing Luo, Weiwu Jin, Jing Yao, Jiaojiao Huang, Hongyong Zhang, Menghua Li, Xiangmo Xie, Xuejuan Zheng, Kenan Guo, Qinhua Wang, Shibin Zhang, Liang Li, Fei Xie, Yu Zhang, Xiaogang Weng, Zhi Yin, Kui Hu, Yimei Cong, Peng Zheng, Hailong Zou, Leilei Xin, Jihan Xia, Jinxue Ruan, Hegang Li, Weiming Zhao, Jing Yuan, Zizhan Liu, Weiwang Gu, Ming Li, Yong Wang, Hongmei Wang, Shiming Yang, Zhonghua Liu, Hong Wei, Jianguo Zhao, Qi Zhou, Anming Meng
N-ethyl-N-nitrosourea (ENU) mutagenesis is a powerful tool to efficiently generate large scale of mutants and discover genes with novel functions at the whole-genome level in C. elegans, flies, zebrafish and mice, but has never been tried in large model animals. In the current study, we reported a successful systematic three-generation ENU mutagenesis screening in pigs with the establishment of Chinese Swine Mutagenesis Consortium. A total of 6,770 G1 and 6,800 G3 pigs were screened, 36 dominant and 91 recessive novel pig families with various phenotypes were established...
June 22, 2017: ELife
https://www.readbyqxmd.com/read/28637754/functional-evolution-of-influenza-ns1-protein-in-currently-circulating-human-2009-pandemic-h1n1-viruses
#18
Amelia M Clark, Aitor Nogales, Luis Martinez-Sobrido, David J Topham, Marta L DeDiego
In 2009, a novel H1N1 influenza virus emerged in humans, causing a global pandemic. It was previously shown that the NS1 protein from this human 2009 pandemic H1N1 (pH1N1) virus was an effective interferon (IFN) antagonist, but could not inhibit general host gene expression, unlike other NS1 proteins from seasonal human H1N1 and H3N2 viruses. Here, we show that the NS1 protein from currently circulating pH1N1 viruses has evolved to encode 6 amino acid changes (E55K, L90I, I123V, E125D, K131E, and N205S) with respect to the original protein...
June 21, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28637508/hyperpolarized-13-c-urea-myocardial-first-pass-perfusion-imaging-using-velocity-selective-excitation
#19
Maximilian Fuetterer, Julia Busch, Sophie M Peereboom, Constantin von Deuster, Lukas Wissmann, Miriam Lipiski, Thea Fleischmann, Nikola Cesarovic, Christian T Stoeck, Sebastian Kozerke
BACKGROUND: A velocity-selective binomial excitation scheme for myocardial first-pass perfusion measurements with hyperpolarized (13)C substrates, which preserves bolus magnetization inside the blood pool, is presented. The proposed method is evaluated against gadolinium-enhanced (1)H measurements in-vivo. METHODS: The proposed excitation with an echo-planar imaging readout was implemented on a clinical CMR system. Dynamic myocardial stress perfusion images were acquired in six healthy pigs after bolus injection of hyperpolarized (13)C urea with the velocity-selective vs...
June 21, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28637451/performance-of-cone-beam-computed-tomography-and-conventional-intraoral-radiographs-in-detecting-interproximal-alveolar-bone-lesions-a-study-in-pig-mandibles
#20
Vanessa Camillo Almeida, Lucas Rodrigues Pinheiro, Fernanda Cristina Sales Salineiro, Fausto Medeiros Mendes, João Batista César Neto, Marcelo Gusmão Paraíso Cavalcanti, Cláudio Mendes Pannuti
BACKGROUND: Cone beam computed tomography (CBCT) has been largely used in dentistry. Nevertheless, there is lack of evidence regarding CBCT accuracy in the diagnosis of early periodontal lesions as well as the correlation between accuracy and lesion size. The aim of this study was to evaluate accuracy of CBCT and conventional intraoral radiographs in detecting different-sized interproximal bone lesions created in pig mandibles. The hypothesis was that CBCT accuracy would be superior to radiographs in detecting incipient bone lesions...
June 21, 2017: BMC Oral Health
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