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https://www.readbyqxmd.com/read/29334230/dna-methylation-changes-and-evolution-of-rna-based-duplication-in-sus-scrofa-based-on-a-two-step-strategy
#1
Chengchi Fang, Cheng Zou, Yuhua Fu, Jingxuan Li, Yao Li, Yunlong Ma, Shuhong Zhao, Changchun Li
AIM: This study aims to couple DNA methylation changes and evolution of retrogenes. MATERIALS & METHODS: A new two-step strategy was developed to screen retrogenes. Further, reduced representation bisulfite sequencing and RNA-seq data of eight tissues were used to analyze retrogenes. RESULTS: A total of 964 retrocopies were identified and new retrocopies were available for the synthesis of glycans and lipids corresponding to pig phenotypic traits...
January 15, 2018: Epigenomics
https://www.readbyqxmd.com/read/29333866/offline-derivatization-lc-ms-ms-method-for-simultaneous-estimation-of-vanillin-and-vanillic-acid-in-guinea-pig-plasma
#2
Priyadeep Bhutani, Senthilkumar Murugesan, Anoop Kumar, Murali Subramanian, Koiram Rajanna Prabhakar
AIM: Vanillin used as a positive control substrate of aldehyde oxidase activity gets metabolized to vanillic acid. Low MW and low sensitivity in negative ion mode are challenges with these analytes. Our objective was to develop a simple offline derivatization LC-MS/MS method to address these challenges. METHODOLOGY/RESULTS: A simple dansyl chloride derivatization of the phenolic groups on vanillin and vanillic acid was adopted to enable easy ionization in commonly used acidic mobile phases...
January 15, 2018: Bioanalysis
https://www.readbyqxmd.com/read/29333754/a-guide-to-analysis-and-reconstruction-of-serial-block-face-scanning-electron-microscopy-data
#3
E Cocks, M Taggart, F C Rind, K White
Serial block face scanning electron microscopy (SBF-SEM) is a relatively new technique that allows the acquisition of serially sectioned, imaged and digitally aligned ultrastructural data. There is a wealth of information that can be obtained from the resulting image stacks but this presents a new challenge for researchers - how to computationally analyse and make best use of the large datasets produced. One approach is to reconstruct structures and features of interest in 3D. However, the software programmes can appear overwhelming, time-consuming and not intuitive for those new to image analysis...
January 15, 2018: Journal of Microscopy
https://www.readbyqxmd.com/read/29333678/supplementary-feeding-as-a-source-of-multiresistant-salmonella-in-endangered-egyptian-vultures
#4
Guillermo Blanco
Wild birds have repeatedly been highlighted as vectors in the dissemination of livestock and human pathogens. Here, the occurrence, serotypes and antimicrobial resistance of Salmonella were assessed in adult Egyptian vultures (Neophron percnopterus), to test the hypothesis that infection is associated with the consumption of swine carcasses provided at supplementary feeding stations (SFSs). Faeces of year-round resident griffon vultures (Gyps fulvus) were also tested to assess whether infection was acquired in the breeding grounds of both species or in the African wintering quarters of Egyptian vultures...
January 14, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29333612/fosfomycin-residues-in-colostrum-impact-on-morpho-physiology-and-microbiology-of-suckling-piglets
#5
M B Fernández Paggi, G Martínez, S N Diéguez, D S Pérez Gaudio, J M Decundo, M B Riccio, F A Amanto, M O Tapia, A L Soraci
Fosfomycin is a broad-spectrum bactericidal antibiotic widely used in pig farms for the treatment of a wide variety of bacterial infections. In this study, the elimination of disodium fosfomycin in colostrum/milk of the sow and the impact of this antibiotic on the microbiota and intestinal morpho-physiology of suckling piglets were analyzed. The average amount of fosfomycin eliminated in colostrum (after administration of 15 mg/kg IM) during the first 10 hr postpartum was 0.85 μg/ml, and the mean residual amount ingested by the piglets was 0...
January 14, 2018: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29333606/genetic-relationships-among-vietnamese-local-pigs-investigated-using-genome-wide-snp-markers
#6
S Ishihara, A Arakawa, M Taniguchi, Q M Luu, D L Pham, B V Nguyen, S Mikawa, K Kikuchi
Vietnam is one of the most important countries for pig domestication, and a total of 26 local breeds have been reported. In the present study, genetic relationships among the various pig breeds were investigated using 90 samples collected from local pigs (15 breeds) in 15 distantly separated, distinct areas of the country and six samples from Landrace pigs in Hanoi as an out-group of a common Western breed. All samples were genotyped using the Illumina Porcine SNP60 v2 Genotyping BeadChip. We used 15 160-15 217 SNPs that showed a high degree of polymorphism in the Vietnamese breeds for identifying genetic relationships among the Vietnamese breeds...
January 15, 2018: Animal Genetics
https://www.readbyqxmd.com/read/29332978/playful-pigs-evidence-of-consistency-and-change-in-play-depending-on-litter-and-developmental-stage
#7
S M Brown, R Peters, I M Nevison, A B Lawrence
Play behaviour in pre-weaned piglets has previously been shown to vary consistently between litters. This study aimed to determine if these pre-weaning litter differences in play behaviour were also consistent in the post-weaning period. Seven litters of commercially bred piglets were raised in a free farrowing system (PigSAFE) and weaned at 28 days post-farrowing (+/-2 days). Post-weaning piglets were maintained in litter groups in the PigSAFE pen. Analyses have been adjusted for sex both within and between litter as the only statistically significant covariate to play behaviour...
January 2018: Applied Animal Behaviour Science
https://www.readbyqxmd.com/read/29332611/effect-of-rubber-mats-and-perforation-in-the-lying-area-on-claw-and-limb-lesions-of-fattening-pigs
#8
A Falke, K Friedli, L Gygax, B Wechsler, X Sidler, R Weber
Claw and leg lesions are frequently observed in finishing pigs and are likely to compromise their welfare. Providing softer than the usual concrete flooring may reduce both the frequency and severity of these lesions. Therefore, this study evaluated the influence of rubber mats and floor perforation in the lying area on claw and leg health of finishing pigs. A total of 240 Swiss Large White finishing pigs from on average 24.9 kg until 102.3 kg were used in four batches, with six groups of 10 animals per batch...
January 15, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29331526/valerate-production-by-megasphaera-elsdenii-isolated-from-pig-feces
#9
Shota Yoshikawa, Ryosuke Araoka, Yu Kajihara, Toshiyuki Ito, Hirokuni Miyamoto, Hiroaki Kodama
Megasphaera elsdenii is able to produce several short-chain fatty acids (SCFAs), such as acetate, propionate, butyrate, and valerate. These SCFAs serve as an energy source for host animals and play an important role in gut health. In this study, M. elsdenii was isolated from pig feces that had been collected from two farms located in distinct areas of Japan. These M. elsdenii isolates were genotyped, and 7 representative strains were selected. When these 7 strains and M. elsdenii JCM 1772T were cultured with lactate for 24 h, all 7 strains produced valerate as a predominant SCFA...
January 11, 2018: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/29330937/first-time-detection-of-porcine-reproductive-and-respiratory-syndrome-virus-prrsv-infection-in-uruguay
#10
N Ramos, S Mirazo, G Castro, K Cabrera, F Osorio, J Arbiza
Within the last two decades, several high-impact viruses have emerged in the global swine population, including porcine reproductive and respiratory syndrome virus (PRRSV). In Uruguay, the more recent serological survey for PRRSV and other notifiable diseases such as Aujeszky's disease virus (ADV) and classical swine fever virus (CSFV) dated from year 2000. The main purpose of this study was to update our information on the infection status of PRRSV, ADV and CSFV in Uruguayan pig herds, in order to keep informed about the epidemiological situation of these notifiable infections in the country...
January 12, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29330589/impact-of-valve-less-vs-standard-insufflation-on-pneumoperitoneum-volume-inflammation-and-peritoneal-physiology-in-a-laparoscopic-sigmoid-resection-experimental-model
#11
Michele Diana, Eric Noll, Andras Legnèr, Seong-Ho Kong, Yu-Yin Liu, Luigi Schiraldi, Francesco Marchegiani, Jordan Bano, Bernard Geny, Anne-Laure Charles, Bernard Dallemagne, Véronique Lindner, Didier Mutter, Pierre Diemunsch, Jacques Marescaux
BACKGROUND: Standard insufflators compensate for intra-abdominal pressure variations with pressure spikes. Our aim was to evaluate the impact of a stable, low-pressure pneumoperitoneum induced by a valve-less insufflator, on working space, hemodynamics, inflammation, and peritoneal physiology, in a model of laparoscopic sigmoid resection. MATERIALS AND METHODS: Twelve pigs (47 ± 3.3 kg) were equipped for invasive hemodynamic monitoring and randomly assigned to Standard (n = 6) vs...
January 12, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29330575/a-new-technique-for-minimal-invasive-complete-spinal-cord-injury-in-minipigs
#12
Elena E Foditsch, Gratian Miclaus, Irina Patras, Ioan Hutu, Karin Roider, Sophina Bauer, Günter Janetschek, Ludwig Aigner, Reinhold Zimmermann
BACKGROUND: The aim of this study was to develop a minimal invasive complete spinal cord injury (SCI) minipig model for future research applications. The minipig is considered a translationally relevant model for SCI research. However, a standardized minimal invasive complete SCI model for pigs has not yet been established. METHODS: Adult Göttingen minipigs were anesthetized and placed in extended prone position. After initial computed tomography (CT) scan, the skin was incised, a needle placed in the epidural fatty tissue...
January 12, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29330190/influence-of-pig-farming-on-the-human-s-nasal-microbiota-the-key-role-of-the-airborne-microbial-communities
#13
Julia G Kraemer, Alban Ramette, Suzanne Aebi, Anne Oppliger, Markus Hilty
It has been hypothesized that the environment can influence the composition of the nasal microbiota. However, the direct influence of pig farming on the anterior and posterior nasal microbiota is unknown. Using a cross-sectional design, pig farms (n=28) were visited in 2014-2015 and nasal swabs from 43 pig farmers and 56 pigs as well as 27 air samples taken in the vicinity of pig enclosure were collected. As controls, nasal swabs from 17 cow farmers and 26 non-animal exposed individuals were also included. Analyses of the microbiota were performed based on 16S rRNA amplicon sequencing and the DADA2 pipeline to define sequence variants (SVs)...
January 12, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29330092/a-novel-double-antigen-sandwich-elisa-for-the-species-independent-detection-of-crimean-congo-hemorrhagic-fever-virus-specific-antibodies
#14
Miriam A Sas, Loic Comtet, Fabien Donnet, Marc Mertens, Zati Vatansever, Noel Tordo, Philippe Pourquier, Martin H Groschup
Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne disease in humans caused by the CCHF virus (CCHFV). The detection of anti-CCHFV antibodies in animals is used to reveal infection risk areas. Therefore a simple, quick and reliable multispecies assay for the detection of CCHFV-specific antibodies is needed. This work presents the development and validation of a novel CCHF double-antigen ELISA for the detection of anti-CCHFV nucleoprotein antibodies. The test requires 30 μl of serum, and results are obtained within 90 min...
January 9, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29329262/contamination-and-risk-assessment-of-estrogens-in-livestock-manure-a-case-study-in-jiangsu-province-china
#15
Pengcheng Xu, Xian Zhou, Defu Xu, Yanbing Xiang, Wanting Ling, Mindong Chen
This study investigated the occurrence and contamination risk of estrogens in livestock manure in Jiangsu Province, China. Four estrogens-estriol (E3), 17β-estradiol (17β-E2), bisphenol A (BPA), and 17α-ethinyloestradiol (EE2)-were detected in livestock manure from hens, ducks, swine, and cows. The respective mean concentrations of each estrogen found in these manures were 289.8, 334.1, 330.3, and 33.7 μg/kg for E3; 38.6, 10.9, 52.9, and 38.8 μg/kg for 17β-E2; 63.6, 48.7, 51.9, and 11.7 μg/kg for BPA; and 14...
January 12, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29329231/development-of-a-cytocompatible-scaffold-from-pig-immature-testicular-tissue-allowing-human-sertoli-cell-attachment-proliferation-and-functionality
#16
Maxime Vermeulen, Federico Del Vento, Francesca de Michele, Jonathan Poels, Christine Wyns
Cryopreservation of immature testicular tissue before chemo/radiotherapy is the only option to preserve fertility of cancer-affected prepubertal boys. To avoid reintroduction of malignant cells, development of a transplantable scaffold by decellularization of pig immature testicular tissue (ITT) able to support decontaminated testicular cells could be an option for fertility restoration in these patients. We, therefore, compared decellularization protocols to produce a cytocompatible scaffold. Fragments of ITT from 15 piglets were decellularized using three protocols: sodium dodecyl sulfate (SDS)-Triton (ST), Triton-SDS-Triton (TST) and trypsin 0...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29329218/molecular-and-physiological-effects-on-the-small-intestine-of-weaner-pigs-following-feeding-with-deoxynivalenol-contaminated-feed
#17
J Alex Pasternak, Vaishnavi Iyer Aka Aiyer, Glenn Hamonic, A Denise Beaulieu, Daniel A Columbus, Heather L Wilson
We intended to assess how exposure of piglets to deoxynivalenol (DON)-contaminated feed impacted their growth, immune response and gut development. Piglets were fed traditional Phase I, Phase II and Phase III diets with the control group receiving 0.20-0.40 ppm DON (referred to as the Control group) and treatment group receiving much higher level of DON-contaminated wheat (3.30-3.80 ppm; referred to as DON-contaminated group). Feeding a DON-contaminated diet had no impact on average daily feed intake (ADFI) (p < 0...
January 12, 2018: Toxins
https://www.readbyqxmd.com/read/29328528/evaluation-of-the-use-of-recombinant-human-basic-fibroblast-growth-factor-in-combination-with-negative-pressure-wound-therapy-with-instillation-and-dwell-time-in-porcine-full-thickness-wound-model
#18
Hiroto Saijo, Deepak V Kilpadi, Sadanori Akita
NPWT with instillation and dwell time (NPWTi-d), which combines NPWT with wound irrigation, has been clinically applied as a more effective treatment than conventional NPWT. Commercially available recombinant human basic fibroblast growth factor (rh-bFGF) has been demonstrated to be beneficial for use over the wound beds. The objective of this study was to evaluate the effectiveness of combined treatment with NPWTi-d and rh-bFGF. Six pigs received 12 full-thickness excisional skin wounds and were treated with 6 different treatment groups for each pair...
January 12, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29328448/association-between-ace2-ace-balance-and-pneumocyte-apoptosis-in-a-porcine-model-of-acute-pulmonary-thromboembolism-with-cardiac-arrest
#19
Hong-Li Xiao, Lian-Xing Zhao, Jun Yang, Nan Tong, Le An, Qi-Tong Liu, Miao-Rong Xie, Chun-Sheng Li
Acute pulmonary embolism (APE) is frequently reported in patients with cardiac arrest (CA) in emergency care. Pneumocyte apoptosis is commonly observed in the lungs following an APE. An important pathological mechanism evoking apoptosis during a lipopolysaccharide‑induced acute lung injury is the angiotensin‑converting enzyme 2 (ACE2)/ACE imbalance. The present study uses a porcine model to examine the anti‑apoptotic effects of captopril on APE‑CA and the return of spontaneous circulation (ROSC). Pigs were randomly assigned into four groups: Control, APE‑CA, ROSC‑saline, and ROSC‑captopril...
January 12, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29327374/dynamic-coronary-mr-angiography-in-a-pig-model-with-hyperpolarized-water
#20
Kasper Wigh Lipsø, Esben Søvsø Szocska Hansen, Rasmus Stilling Tougaard, Christoffer Laustsen, Jan Henrik Ardenkjaer-Larsen
PURPOSE: To investigate dynamic coronary MR angiography using hyperpolarized water as a positive contrast agent. Hyperpolarization can increase the signal by several orders of magnitude, and has recently been translated to human cardiac application. The aim was to achieve large 1 H signal enhancement to allow high-resolution imaging of the coronary arteries. METHODS: Protons in D2 O were hyperpolarized by dissolution dynamic nuclear polarization. A total of 18 mL of hyperpolarized water was injected into the coronary arteries of healthy pigs (N = 9; 3 injections in 3 animals)...
January 12, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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