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https://www.readbyqxmd.com/read/28346232/the-future-is-now-neuroprotection-during-cardiopulmonary-resuscitation
#1
Johanna C Moore, Jason A Bartos, Timothy R Matsuura, Demetris Yannopoulos
PURPOSE OF REVIEW: Survival with favorable neurological function after cardiac arrest remains low. The purpose of this review is to identify recent advances that focus on neuroprotection during cardiopulmonary resuscitation (CPR). RECENT FINDINGS: Multiple strategies have been shown to enhance neuroprotection during CPR. Brain perfusion during CPR is increased with therapies such as active compression decompression CPR and intrathoracic pressure regulation that improve cardiac preload and decrease intracranial pressure...
March 24, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28345293/detection-of-zaire-ebolavirus-in-swine-assay-development-and-optimization
#2
B S Pickering, B Collignon, G Smith, P Marszal, G Kobinger, H M Weingartl
Ebolaviruses (family Filoviridae, order Mononegavirales) cause often fatal, haemorrhagic fever in primates including humans. Pigs have been identified as a species susceptible to Reston ebolavirus (RESTV) infection, with indicated transmission to humans in the Philippines; however, their role during Ebola outbreaks in Africa needs to be clarified. To perform surveillance studies, detection of ebolavirus requires a prerequisite validation of viral RNA and antibody detection methods in swine samples. These diagnostic tests also need to be suitable for deployment to low-level containment laboratories...
March 27, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28345292/the-detection-and-phylogenetic-analysis-of-porcine-deltacoronavirus-from-guangdong-province-in-southern-china
#3
K Mai, J Feng, G Chen, D Li, L Zhou, Y Bai, Q Wu, J Ma
Porcine deltacoronavirus (PDCoV) is a newly discovered coronavirus that causes diarrhoea, vomiting and dehydration in sucking and nursing piglets. It was first reported in Hong Kong in 2012 and has since been discovered in the United States, Canada, South Korea, mainland China, Thailand and Laos. PDCoV has been experimentally proved to lead to diarrhoea in swine and it was detected positive in pigs in Guangdong, southern China. In our study, 252 faecal and intestinal samples from sucking piglets and sows with diarrhoea were surveyed for common enteric viruses...
March 27, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28343773/enhancing-heterologous-protection-in-pigs-vaccinated-with-chimeric-porcine-reproductive-and-respiratory-syndrome-virus-containing-the-full-length-sequences-of-shuffled-structural-genes-of-multiple-heterologous-strains
#4
Debin Tian, Dianjun Cao, C Lynn Heffron, Danielle M Yugo, Adam J Rogers, Christopher Overend, Shannon R Matzinger, Sakthivel Subramaniam, Tanja Opriessnig, Tanya LeRoith, Xiang-Jin Meng
Porcine reproductive and respiratory syndrome virus (PRRSV) is the causative agent of arguably the most economically important global swine disease. The extensive genetic variation of PRRSV strains is a major obstacle for heterologous protection of current vaccines. Previously, we constructed a panel of chimeric viruses containing only the ectodomain sequences of DNA-shuffled structural genes of different PRRSV strains in the backbone of a commercial vaccine, and found that one chimeric virus had an improved cross-protection efficacy...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28342176/investigating-the-physiological-effects-of-10-5-tesla-static-field-exposure-on-anesthetized-swine
#5
Yigitcan Eryaman, Patrick Zhang, Lynn Utecht, Kivanc Kose, Russell L Lagore, Lance DelaBarre, Jeramy Kulesa, Lynn E Eberly, Gregor Adriany, Tinen L Iles, Paul A Iaizzo, J Thomas Vaughan, Kamil Ugurbil
PURPOSE: In this work, we investigated the relative effects of static magnetic field exposure (10.5 Tesla [T]) on two physiological parameters; blood pressure (BP) and heart rate (HR). METHODS: In vivo, we recorded both BP and HR in 4 swine (3 female, 1 male) while they were positioned within a 10.5T magnet. All measurements were performed invasively within these anesthetized animals by the placement of pressure catheters into their carotid arteries. RESULTS: We measured average increases of 2...
March 25, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28341934/molecular-chaperone-jiv-promotes-the-rna-replication-of-classical-swine-fever-virus
#6
Kangkang Guo, Haimin Li, Xuechao Tan, Mengmeng Wu, Qizhuang Lv, Wei Liu, Yanming Zhang
The nonstructural protein 2 (NS2) of classical swine fever virus (CSFV) is a self-splicing ribozyme wherein the precursor protein NS2-3 is cleaved, and the cleavage efficiency of NS2-3 is crucial to the replication of viral RNA. However, the proteolytic activity of NS2 autoprotease may be achieved through a cellular chaperone called J-domain protein interacting with viral protein (Jiv) or its fragment Jiv90, as evidence suggests that Jiv is required for the proper functioning of the NS2 protein of bovine viral diarrhea virus...
March 24, 2017: Virus Genes
https://www.readbyqxmd.com/read/28341382/assisting-cultivation-of-photosynthetic-microorganisms-by-microbial-fuel-cells-to-enhance-nutrients-recovery-from-wastewater
#7
Alessandra Colombo, Stefania Marzorati, Giorgio Lucchini, Pierangela Cristiani, Deepak Pant, Andrea Schievano
Spirulina was cultivated in cathodic compartments of photo-microbial fuel cells (P-MFC). Anodic compartments were fed with swine-farming wastewater, enriched with sodium acetate (2.34gCODL(-1)). Photosynthetic oxygen generation rates were sufficient to sustain cathodic oxygen reduction, significantly improving P-MFC electrochemical performances, as compared to water-cathode control experiments. Power densities (0.8-1Wm(-2)) approached those of air-cathode MFCs, run as control. COD was efficiently removed and only negligible fractions leaked to the cathodic chamber...
March 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28341332/the-viral-innate-immune-antagonism-and-an-alternative-vaccine-design-for-prrs-virus
#8
REVIEW
Hanzhong Ke, Dongwan Yoo
Porcine reproductive and respiratory syndrome (PRRS) remains one of the most economically significant diseases in the swine industry worldwide. The current vaccines are less satisfactory to confer protections from heterologous infections and long-term persistence, and the need for better vaccines are urgent. The immunological hallmarks in PRRSV-infected pigs include the unusually poor production of type I interferons (IFNs-α/β) and the aberrant and delayed adaptive immune responses, indicating that PRRSV has the ability to suppress both innate and adaptive immune responses in the host...
March 18, 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28340793/a-novel-quartz-crystal-microbalance-sensor-array-based-on-molecular-imprinted-polymers-for-simultaneous-detection-of-clenbuterol-and-its-metabolites
#9
Fan Feng, Jianwu Zheng, Peng Qin, Tao Han, Dayun Zhao
For the rapid and robust detection of both parent clenbuterol (CLB) and its metabolites in swine urine samples, a novel quartz crystal microbalance (QCM) sensor array for CLB detection based on molecularly imprinted polymers (MIPs) was developed in this investigation. At first, clenbuterol and the structural analogs of its metabolites, 4-Aminohippuric acid (AHA) and 4-hydroxymandelic acid (HMA), were chosen as molecular templates. Through computational molecular modeling, the optimum ratio between the functional monomer and molecular template was selected...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28340536/comparison-of-broad-vs-narrow-focal-width-lithotripter-fields
#10
Yifei Xing, Tony T Chen, W Neal Simmons, Georgy Sankin, F Hadley Cocks, Michael Eric Lipkin, Glenn M Preminger, Pei Zhong
Objective To investigate the impact of lithotripter focal width on stone fragmentation. Materials and Methods A modified reflector was used to reduce -6 dB beam size of the HM3 lithotripter while increasing concomitantly peak pressure. Fragmentation in vitro was assessed with modified and original reflectors using BegoStone phantoms. A membrane holder was used to mimic lithotripsy in vivo and a matrix holder was used to assess variations of fragmentation power in the focal plane of the lithotripter field. Stone fragmention in vivo produced by the two reflectors was further compared in a swine model...
March 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28340428/vaccination-as-a-control-strategy-against-salmonella-infection-in-pigs-a-systematic-review-and-meta-analysis-of-the-literature
#11
REVIEW
M L de la Cruz, I Conrado, A Nault, A Perez, L Dominguez, J Alvarez
Consumption or handling of improperly processed or cooked pork is considered one of the top sources for foodborne salmonellosis, a common cause of intestinal disease worldwide. Asymptomatic carrier pigs may contaminate pork at slaughtering; therefore, pre-harvest reduction of Salmonella load can contribute to reduce public health risk. Multiple studies have evaluated the impact of vaccination on controlling Salmonella in swine farms, but results are highly variable due to the heterogeneity in vaccines and vaccination protocols...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28340426/porcine-parvovirus-induces-activation-of-nf-%C3%AE%C2%BAb-signaling-pathways-in-pk-15-cells-mediated-by-toll-like-receptors
#12
Liyan Cao, Jianfei Chen, Yanwu Wei, Hongyan Shi, Xin Zhang, Jing Yuan, Da Shi, Jianbo Liu, Xiangdong Zhu, Xin Wang, Shangjin Cui, Li Feng
Porcine parvovirus (PPV) is a pathogenic factor that primarily induces severe reproductive failure of pregnant swine, which results in extensive losses to the swine industry worldwide. In this study, a potential mechanism of PPV-induced activation of the nuclear transcription factor-kappaB (NF-κB) by infection in porcine kidney cells (PK-15) was elucidated for the first time. The subcellular localization of p65 analyzed by immunofluorescence assay (IFA) showed that PPV infection induced p65 translocation from the cytoplasm to the nucleus...
March 21, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28339491/the-dynamics-of-nitrogen-derived-from-a-chemical-nitrogen-fertilizer-with-treated-swine-slurry-in-paddy-soil-plant-systems
#13
Joonhee Lee, Hong L Choi
A well-managed chemical nitrogen (N) fertilization practice combined with treated swine slurry (TSS) is necessary to improve sustainability and N use efficiency in rice farming. However, little is known about the fate of N derived from chemical N fertilizer with and without TSS in paddy soil-plant systems. The objectives of this study were (1) to estimate the contribution of applied N fertilizer to N turnover in rice paddy soil with different N fertilization practices that were manipulated by the quantity of treated swine slurry and chemical N fertilizer (i...
2017: PloS One
https://www.readbyqxmd.com/read/28338590/small-changes-big-effects-the-hemodynamics-of-partial-and-complete-aortic-occlusion-to-inform-next-generation-resuscitation-techniques-and-technologies
#14
M Austin Johnson, Anders J Davidson, Rachel M Russo, Sarah-Ashley E Ferencz, Oren Gotlib, Todd E Rasmussen, Lucas P Neff, Timothy K Williams
BACKGROUND: The transition from complete aortic occlusion during Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) can be associated with hemodynamic instability. Technique refinements and new technologies have been proposed to minimize this effect. In order to inform new techniques and technology, we examined the relationship between blood pressure and aortic flow during the restoration of systemic circulation following aortic occlusion at progressive levels of hemorrhage...
March 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28337128/connexin36-expression-in-the-mammalian-retina-a-multiple-species-comparison
#15
Tamás Kovács-Öller, Gábor Debertin, Márton Balogh, Alma Ganczer, József Orbán, Miklós Nyitrai, Lajos Balogh, Orsolya Kántor, Béla Völgyi
Much knowledge about interconnection of human retinal neurons is inferred from results on animal models. Likewise, there is a lack of information on human retinal electrical synapses/gap junctions (GJ). Connexin36 (Cx36) forms GJs in both the inner and outer plexiform layers (IPL and OPL) in most species including humans. However, a comparison of Cx36 GJ distribution in retinas of humans and popular animal models has not been presented. To this end a multiple-species comparison was performed in retinas of 12 mammals including humans to survey the Cx36 distribution...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28336538/effects-of-dobutamine-on-intestinal-microvascular-blood-flow-heterogeneity-and-oxygen-extraction-during-septic-shock
#16
Gustavo Adolfo Ospina-Tascón, Alberto Federico García Marín, Gabriel J Echeverri, William Fernando Bermúdez, Humberto José Madriñán Navia, Juan David Valencia, Edgardo Quiñones, Fernando Rodríguez, Angela Marulanda, César Augusto Arango Davila, Alejandro Bruhn, Glenn Hernández, Daniel De Backer
Derangements of microvascular blood flow distribution might contribute to disturbing oxygen extraction by peripheral tissues. We evaluated the dynamic relationships between the mesenteric oxygen extraction ratio (mes-ERO2) and the heterogeneity of microvascular blood flow at the gut and sublingual mucosa, during the development and resuscitation of septic shock in a swine model of fecal peritonitis. Jejunal-villi and sublingual microcirculation were evaluated using a portable intravital-microscopy technique...
March 23, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28335552/virological-surveillance-of-influenza-a-subtypes-isolated-in-2014-from-clinical-outbreaks-in-canadian-swine
#17
Helena Grgić, Jackie Gallant, Zvonimir Poljak
Influenza A viruses (IAVs) are respiratory pathogens associated with an acute respiratory disease that occurs year-round in swine production. It is currently one of the most important pathogens in swine populations, with the potential to infect other host species including humans. Ongoing research indicates that the three major subtypes of IAV-H1N1, H1N2, and H3N2-continue to expand in their genetic and antigenic diversity. In this study, we conducted a comprehensive genomic analysis of 16 IAVs isolated from different clinical outbreaks in Alberta, Manitoba, Ontario, and Saskatchewan in 2014...
March 21, 2017: Viruses
https://www.readbyqxmd.com/read/28335505/porcine-epidemic-diarrhea-virus-induces-autophagy-to-benefit-its-replication
#18
Xiaozhen Guo, Mengjia Zhang, Xiaoqian Zhang, Xin Tan, Hengke Guo, Wei Zeng, Guokai Yan, Atta Muhammad Memon, Zhonghua Li, Yinxing Zhu, Bingzhou Zhang, Xugang Ku, Meizhou Wu, Shengxian Fan, Qigai He
The new porcine epidemic diarrhea (PED) has caused devastating economic losses to the swine industry worldwide. Despite extensive research on the relationship between autophagy and virus infection, the concrete role of autophagy in porcine epidemic diarrhea virus (PEDV) infection has not been reported. In this study, autophagy was demonstrated to be triggered by the effective replication of PEDV through transmission electron microscopy, confocal microscopy, and Western blot analysis. Moreover, autophagy was confirmed to benefit PEDV replication by using autophagy regulators and RNA interference...
March 19, 2017: Viruses
https://www.readbyqxmd.com/read/28335454/porcine-rotaviruses-epidemiology-immune-responses-and-control-strategies
#19
REVIEW
Anastasia N Vlasova, Joshua O Amimo, Linda J Saif
Rotaviruses (RVs) are a major cause of acute viral gastroenteritis in young animals and children worldwide. Immunocompetent adults of different species become resistant to clinical disease due to post-infection immunity, immune system maturation and gut physiological changes. Of the 9 RV genogroups (A-I), RV A, B, and C (RVA, RVB, and RVC, respectively) are associated with diarrhea in piglets. Although discovered decades ago, porcine genogroup E RVs (RVE) are uncommon and their pathogenesis is not studied well...
March 18, 2017: Viruses
https://www.readbyqxmd.com/read/28335089/variance-components-estimation-for-farrowing-traits-in-three-purebred-pigs
#20
Bryan Irvine Mamuad Lopez, Tae Hun Kim, Milton Tinashe Makumbe, Choul Won Song, Kang Seok Seo
Objective: This study was conducted to estimate breed-specific variance components for total number born (TNB), number born alive (NBA) and mortality rate from birth through weaning including stillbirths (MORT) of three main swine breeds in Korea. In addition, the importance of including maternal genetic and service sire effects in estimation models was evaluated. Methods: Records of farrowing traits from 6,412 Duroc, 18,020 Landrace and 54,254 Yorkshire sows collected from January 2001 to September 2016 from different farms in Korea were used in the analysis...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
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