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https://www.readbyqxmd.com/read/28441586/kobuvirus-vp3-protein-restricts-the-ifn-%C3%AE-triggered-signaling-pathway-by-inhibiting-stat2-irf9-and-stat2-stat2-complex-formation
#1
Qianqian Peng, Xi Lan, Chen Wang, Yujie Ren, Ningning Yue, Junyong Wang, Bo Zhong, Qiyun Zhu
Emerged porcine kobuvirus (PKV) has adversely affected the global swine industry since 2008, but the etiological biology of PKV is unclear. Screening PKV-encoded structural and non-structural proteins with a type I IFN-responsive luciferase reporter showed that PKV VP3 protein inhibited the IFN-β-triggered signaling pathway, resulting in the decrease of VSV-GFP replication. QPCR data showed that IFN-β downstream cytokine genes were suppressed without cell-type specificity as well. The results from biochemical experiments indicated that PKV VP3 associated with STAT2 and IRF9, and interfered with the formation of the STAT2-IRF9 and STAT2-STAT2 complex, impairing nuclear translocation of STAT2 and IRF9...
April 22, 2017: Virology
https://www.readbyqxmd.com/read/28440591/imaging-collector-channel-entrance-with-a-new-intraocular-micro-probe-swept-source-optical-coherence-tomography
#2
Chen Xin, Xiaoya Chen, Meng Li, Yan Shi, Huaizhou Wang, Ruikang Wang, Ningli Wang
PURPOSE: To describe the use of a newly developed side-viewing catheter probe to provide the cross-sectional images of collector channel entrance (CCE), achieved by swept-source optical coherence tomography (SS-OCT). METHODS: A side-viewing SS-OCT catheter probe was developed that has a core probe diameter of 0.15 mm and an outer diameter of 0.25 mm, for the purpose of imaging CCEs within eye globe. Cadaver eyes harvested from swine and human were used to demonstrate its feasibility...
April 25, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28438630/identification-of-anti-viral-activity-of-the-cardenolides-na-k-atpase-inhibitors-against-porcine-transmissible-gastroenteritis-virus
#3
Cheng-Wei Yang, Hsin-Yu Chang, Hsing-Yu Hsu, Yue-Zhi Lee, Hsun-Shuo Chang, Ih-Sheng Chen, Shiow-Ju Lee
A series of naturally occurring cardenolides that exhibit potent anti-transmissible gastroenteritis virus (TGEV) activity in swine testicular (ST) cells has been identified. In an immunofluorescence assay, these cardenolides were found to diminish the expressions of TGEV nucleocapsid and spike protein, which was used as an indication for viral replication; block TGEV infection induced apoptosis and cytopathic effects; and impart the same trend of inhibitory activity against Na(+)/K(+)-ATPase as for anti-TGEV activity...
April 21, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28436551/genomics-and-metabolomics-of-post-weaning-return-to-estrus
#4
REVIEW
Lea A Rempel, Gary A Rohrer, Danny J Nonneman
The weaning-to-estrus interval is a multifaceted trait that has the potential to substantially improve production efficiency in today's global swine industry, if variation in this measure can be reduced. Systems-biology approaches should help close the knowledge gap and increase selection tools and management strategies - such as gilt development programs, farrowing, and lactation feeding programs - to decrease the weaning-to-estrus interval. Metabolomics, the study of small compounds within biofluids and tissues, provides links between genotype and phenotype...
April 24, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28436458/development-of-a-fluorescent-asfv-strain-that-retains-the-ability-to-cause-disease-in-swine
#5
Manuel V Borca, Vivian O'Donnell, Lauren G Holinka, Brent Sanford, Paul A Azzinaro, Guillermo R Risatti, Douglas P Gladue
African swine fever is a contagious and often lethal disease for domestic pigs with a significant economic impact for the swine industry. The etiological agent, African swine fever virus (ASFV), is a highly structurally complex double stranded DNA virus. No effective vaccines or antiviral treatment are currently commercially available. We present here the development of a strain of ASFV that has been shown to retain its ability to cause disease in swine, efficiently replicate in swine macrophage and that is fluorescently tagged...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28434065/alternative-reverse-genetics-system-for-influenza-viruses-based-on-a-synthesized-swine-45s-rrna-promoter
#6
Kai Wang, Qi Huang, Zhiwei Yang, Kezong Qi, Hongmei Liu, Hongjun Chen
We generated an alternative reverse genetics (RG) system based on a synthesized swine 45S rRNA promoter to rescue the H3N2 subtype swine influenza virus. All eight flanking segment cassettes of A/swine/Henan/7/2010 (H3N2) were amplified with ambisense expression elements from RG plasmids. All segments were then recombined with the pHC2014 vector, which contained the synthesized swine 45S rRNA promoter (spol1) and its terminal sequence (t1) in a pcDNA3 backbone. As a result, we obtained a set of RG plasmids carrying the corresponding eight-segment cassettes...
April 22, 2017: Virus Genes
https://www.readbyqxmd.com/read/28433359/feasibility-of-profound-hypothermia-as-part-of-extracorporeal-life-support-in-a-pig-model
#7
Christoph Weiser, Wolfgang Weihs, Michael Holzer, Christoph Testori, Anne-Margarethe Kramer, Christoph Kment, Martin Stoiber, Michael Poppe, Christian Wallmüller, Peter Stratil, Michael Hoschitz, Anton Laggner, Fritz Sterz
OBJECTIVE: To investigate the feasibility of a refined aortic flush catheter and pump system to induce emergency preservation and resuscitation before extracorporeal cardiopulmonary resuscitation in a normovolemic cardiac arrest swine model simulating near real size/weight conditions of adults. METHODS: In this feasibility study, 8 female Large White breed pigs weighing 70 to 80 kg underwent ventricular fibrillation cardiac arrest for 15 minutes, followed by 4°C aortic flush (150 mL/kg for the brain; 50 mL/kg for the spine) via a new hardware ensued by resuscitation with extracorporeal cardiopulmonary resuscitation...
March 24, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28432952/removal-of-antibiotics-from-piggery-wastewater-by-biological-aerated-filter-system-treatment-efficiency-and-biodegradation-kinetics
#8
Jun Chen, You-Sheng Liu, Jin-Na Zhang, Yong-Qiang Yang, Li-Xin Hu, Yuan-Yuan Yang, Jian-Liang Zhao, Fan-Rong Chen, Guang-Guo Ying
This study aimed to investigate the removal efficiency and mechanism for antibiotics in swine wastewater by a biological aerated filter system (BAF system) in combination with laboratory aerobic and anaerobic incubation experiments. Nine antibiotics including sulfamonomethoxine, sulfachloropyridazine, sulfamethazine, trimethoprim, norfloxacin, ofloxacin, lincomycin, leucomycin and oxytetracycline were detected in the wastewater with concentrations up to 192,000ng/L. The results from this pilot study showed efficient removals (>82%) of the conventional wastewater pollutants (BOD5, COD, TN and NH3-N) and the detected nine antibiotics by the BAF system...
April 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432950/effects-of-chlortetracycline-and-copper-on-tetracyclines-and-copper-resistance-genes-and-microbial-community-during-swine-manure-anaerobic-digestion
#9
Rui Wang, Meixue Chen, Feng Feng, Junya Zhang, Qianwen Sui, Juan Tong, Yuansong Wei, Dongbin Wei
As antibiotic and heavy metals are over used in the livestock industry, animal manure is a reservoir of antibiotic resistance genes (ARGs). Anaerobic digestion has been reported to have the potential to reduce ARGs. However, few studies investigated whether reduction of ARGs would be affected by different external pressures including antibiotics and heavy metals during anaerobic digestion. The purpose of this study was thus to investigate effects of both chlortetracycline (CTC) and Cu on reduction of ARGs, heavy metal resistance genes (HMRGs) and mobile genetic elements (MGEs) during the swine manure anaerobic digestion...
March 25, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28432073/in-situ-laser-fenestration-is-a-feasible-method-for-revascularization-of-aortic-arch-during-thoracic-endovascular-aortic-repair
#10
Jinbao Qin, Zhen Zhao, Ruihua Wang, Kaichuang Ye, Weimin Li, Xiaobing Liu, Guang Liu, Chaoyi Cui, Huihua Shi, Zhiyou Peng, Fukang Yuan, Xinrui Yang, Min Lu, Xintian Huang, Mier Jiang, Xin Wang, Minyi Yin, Xinwu Lu
BACKGROUND: Reconstruction of the aortic major branches during thoracic endovascular aortic repair is complicated because of the complex anatomic configuration and variation of the aortic arch. In situ laser fenestration has shown great potential for the revascularization of aortic branches. This study aims to evaluate the feasibility, effectiveness, and safety of in situ laser fenestration on the three branches of the aortic arch during thoracic endovascular aortic repair. METHODS AND RESULTS: Before clinical application, the polytetrafluoroethylene and Dacron grafts were fenestrated by an 810-nm laser system ex vivo, which did not damage the bare metal portion of the endografts and created a clean fenestration while maintaining the integrity of the endografts...
April 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28431861/cardiac-computed-tomography-derived-myocardial-mass-at-risk-using-the-voronoi-based-segmentation-algorithm-a-histological-validation-study
#11
Seiko Ide, Satoru Sumitsuji, Osamu Yamaguchi, Yasushi Sakata
BACKGROUND: Myocardial mass at risk (MMAR) is an important predictor of adverse cardiac events in patients with ischemic heart disease. This study aims to validate the accuracy of MMAR calculated from cardiac computed tomography (CCT) data using the Voronoi-based segmentation algorithm in comparison with actual MMAR measured on ex-vivo swine hearts prepared by injecting a dye into the coronary arteries. METHODS: Fifteen extracted swine hearts had India ink injected into one of the major coronary arteries...
April 18, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28430168/classical-swine-fever-an-updated-review
#12
REVIEW
Sandra Blome, Christoph Staubach, Julia Henke, Jolene Carlson, Martin Beer
Classical swine fever (CSF) remains one of the most important transboundary viral diseases of swine worldwide. The causative agent is CSF virus, a small, enveloped RNA virus of the genus Pestivirus. Based on partial sequences, three genotypes can be distinguished that do not, however, directly correlate with virulence. Depending on both virus and host factors, a wide range of clinical syndromes can be observed and thus, laboratory confirmation is mandatory. To this means, both direct and indirect methods are utilized with an increasing degree of commercialization...
April 21, 2017: Viruses
https://www.readbyqxmd.com/read/28430035/noninvasive-neuromodulation-and-thalamic-mapping-with-low-intensity-focused-ultrasound
#13
Robert F Dallapiazza, Kelsie F Timbie, Stephen Holmberg, Jeremy Gatesman, M Beatriz Lopes, Richard J Price, G Wilson Miller, W Jeffrey Elias
OBJECTIVE Ultrasound can be precisely focused through the intact human skull to target deep regions of the brain for stereotactic ablations. Acoustic energy at much lower intensities is capable of both exciting and inhibiting neural tissues without causing tissue heating or damage. The objective of this study was to demonstrate the effects of low-intensity focused ultrasound (LIFU) for neuromodulation and selective mapping in the thalamus of a large-brain animal. METHODS Ten Yorkshire swine ( Sus scrofa domesticus) were used in this study...
April 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28429114/physical-and-chemical-characteristics-of-the-longissimus-dorsi-from-swine-reared-in-climate-controlled-and-uncontrolled-environments
#14
Juliana Lolli Malagoli de Mello, Mariana Piatto Berton, Rita de Cassia Dourado, Aline Giampietro-Ganeco, Rodrigo Alves de Souza, Fábio Borba Ferrari, Pedro Alves de Souza, Hirasilva Borba
The aim of this study was to evaluate the effect of ambient temperature on the physical and chemical characteristics of the longissimus dorsi muscle by comparing the quality of meat from pigs reared in a controlled and in an uncontrolled environment, the latter provided with a shallow pool. Twenty castrated male pigs of the Topigs line were randomly allotted to two treatments: a controlled environment, with constant temperature (22 °C) and relative humidity (70%); and an uncontrolled environment in a conventional shed for rearing pigs equipped with a shallow pool, where pigs were subject to climatic variations...
April 20, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28427997/distinct-sequences-and-post-translational-modifications-in-cardiac-atrial-and-ventricular-myosin-light-chains-revealed-by-top-down-mass-spectrometry
#15
Zachery R Gregorich, Wenxuan Cai, Ziqing Lin, Albert J Chen, Ying Peng, Takushi Kohmoto, Ying Ge
Myosin is the principal component of the thick filaments that, through interactions with the actin thin filaments, mediates force production during muscle contraction. Myosin is a hexamer, consisting of two heavy chains, each associated with an essential (ELC) and a regulatory (RLC) light chain, which bind the lever-arm of the heavy chain and play important modulatory roles in striated muscle contraction. Nevertheless, a comprehensive assessment of the sequences of the ELC and RLC isoforms, as well as their post-translational modifications, in the heart remains lacking...
April 17, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28427794/occurrence-of-a-novel-class-1-integron-harboring-qnrvc4-in-salmonella-rissen
#16
Sirirat Luk-In, Chaiwat Pulsrikarn, Aroon Bangtrakulnonth, Tanittha Chatsuwan, Wanla Kulwichit
We described qnrVC4 in S. Rissen 166ANSS50, a swine isolate, which was detected in the study on quinolone resistance mechanisms of nontyphoidal Salmonella in Thailand. The isolate was found to harbor a ̴17-kb non-conjugative plasmid carrying qnrVC4 within 8.91kb of a novel In4-like class 1 integron (In805). It contained the multi-drug resistance gene cassettes of qnrVC4-qacH4-aacA4-cmlA7-blaOXA-10-aadA1-dfrA14 and unusual 3'-CS of mobC-IS6100. This 1014-bp qnrVC4 cassette included with promoter (PqnrVC4: -35 TTGAGA and -10 TAGTCT) showed high homology with qnrVC4 in superintegron of V...
March 31, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28425927/hepatitis-e-virus-genotypes-and-evolution-emergence-of-camel-hepatitis-e-variants
#17
REVIEW
Siddharth Sridhar, Jade L L Teng, Tsz-Ho Chiu, Susanna K P Lau, Patrick C Y Woo
Hepatitis E virus (HEV) is a major cause of viral hepatitis globally. Zoonotic HEV is an important cause of chronic hepatitis in immunocompromised patients. The rapid identification of novel HEV variants and accumulating sequence information has prompted significant changes in taxonomy of the family Hepeviridae. This family includes two genera: Orthohepevirus, which infects terrestrial vertebrates, and Piscihepevirus, which infects fish. Within Orthohepevirus, there are four species, A-D, with widely differing host range...
April 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28424790/development-of-isothermal-recombinase-polymerase-amplification-assay-for-rapid-detection-of-porcine-circovirus-type-2
#18
Yang Yang, Xiaodong Qin, Yingjun Sun, Guozheng Cong, Yanmin Li, Zhidong Zhang
Porcine circovirus virus type II (PCV2) is the etiology of postweaning multisystemic wasting syndrome (PMWS), porcine dermatitis, nephropathy syndrome (PDNS), and necrotizing pneumonia. Rapid diagnosis tool for detection of PCV2 plays an important role in the disease control and eradication program. Recombinase polymerase amplification (RPA) assays using a real-time fluorescent detection (PCV2 real-time RPA assay) and RPA combined with lateral flow dipstick (PCV2 RPA LFD assay) were developed targeting the PCV2 ORF2 gene...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28424778/estimation-of-time-dependent-reproduction-numbers-for-porcine-reproductive-and-respiratory-syndrome-across-different-regions-and-production-systems-of-the-us
#19
Andréia G Arruda, Moh A Alkhamis, Kimberly VanderWaal, Robert B Morrison, Andres M Perez
Porcine reproductive and respiratory syndrome (PRRS) is, arguably, the most impactful disease for the North American swine industry, due to its known considerable economic losses. The Swine Health Monitoring Project (SHMP) monitors and reports weekly new PRRS cases in 766 sow herds across the US. The time-dependent reproduction number (TD-R) is a measure of a pathogen's transmissibility. It may serve to capture and report PRRS virus (PRRSV) spread at the regional and system levels. The primary objective of the study here was to estimate the TD-R values for PRRSV using regional and system-level PRRS data, and to contrast it with commonly used metrics of disease, such as incidence estimates and space-time clusters...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28422911/do-vented-chest-seals-differ-in-efficacy-an-experimental-evaluation-using-a-swine-hemopneumothorax-model
#20
Bijan S Kheirabadi, Irasema B Terrazas, Nahir Miranda, Spc Amber N Voelker, Francoise Arnaud, Harold G Klemcke, Frank F Butler, Michael A Dubick
OBJECTIVE: Hemopneumothorax (HPTX) is the second leading cause of potentially preventable death among combat casualties. We investigated the ability of five FDA-approved non-occlusive chest seals (CSs) to seal a bleeding chest wound and prevent tension HPTX in a swine model. METHODS: Following instrumentation, an open chest wound was created in the left thorax of spontaneously air-breathing anesthetized pigs (n=26, 43 Kg). Autologous fresh blood (226 mL) was then infused into the pleural cavity to produce HPTX...
April 18, 2017: Journal of Trauma and Acute Care Surgery
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