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https://www.readbyqxmd.com/read/28820450/transcriptome-analysis-reveals-long-intergenic-noncoding-rnas-contributed-to-growth-and-meat-quality-differences-between-yorkshire-and-wannanhua-pig
#1
Cheng Zou, Sha Li, Lulu Deng, Yang Guan, Dake Chen, Xiongkun Yuan, Tianrui Xia, Xinglin He, Yawei Shan, Changchun Li
There are major differences between Yorkshire (lean-type) and Wannanhua pig (fat-type) in terms of growth performance and meat quality. Long intergenic noncoding RNAs (lincRNAs) are a class of regulators that are involved in numerous biological processes and widely identified in many species. However, the role of lincRNAs in pig is largely unknown, and the mechanisms by which they affect growth and meat quality are elusive. In this study, we used published data to identify 759 lincRNAs in porcine longissimus dorsi muscle...
August 18, 2017: Genes
https://www.readbyqxmd.com/read/28820132/prevalence-of-yersinia-enterocolitica-bioserotype-3-o-3-among-children-with-diarrhea-china-2010-2015
#2
Ran Duan, Junrong Liang, Jing Zhang, Yuhuang Chen, Jing Wang, Jing Tong, Bangcheng Guo, Wanfu Hu, Mingliu Wang, Jiayong Zhao, Chang Liu, Huijing Hao, Xin Wang, Huaiqi Jing
Yersinia enterocolitica is thought to not significantly contribute to diarrheal disease in China, but evidence substantiating this claim is limited. We determined the prevalence of Y. enterocolitica infection and strain types present among children <5 years of age with diarrhea in China. The overall prevalence of pathogenic isolates was 0.59%. Prevalence of pathogenic bioserotype 3/O:3 varied geographically. In this population, the presence of fecal leukocytes was a characteristic of Y. enterocolitica infection and should be used as an indication for microbiological diagnostic testing, rather than for the diagnosis of bacillary dysentery...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820096/lactobacillus-caviae-sp-nov-an-obligately-heterofermentative-bacterium-isolated-from-the-oral-cavity-of-a-guinea-pig-cavia-aperea-f-porcellus
#3
Jiri Killer, Radko Pechar, Pavel Švec, Hana Salmonová, Roman Švejstil, Martina Geigerová, Vojtěch Rada, Eva Vlková, Chahrazed Mekadim
A Gram-stain-positive, facultatively anaerobic, and catalase- and oxidase-negative bacterial strain designated MOZM2T, having 98.4 % 16S rRNA gene sequence identity with Lactobacillus reuteri DSM 20016T, was isolated from a swab of the oral cavity of a home-bred guinea pig. Comparative analyses based on the hsp60, pheS and tuf genes confirmed L. reuteri as its closest relative species, with calculated sequence similarities of 92.8, 88.8 and 96.9 %, respectively. DNA-DNA hybridisation revealed a 42 % degree of genetic similarity between the novel strain and L...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820091/alloscardovia-venturai-sp-nov-a-fructose-6-phosphate-phosphoketolase-positive-species-isolated-from-the-oral-cavity-of-a-guinea-pig-cavia-aperea-f-porcellus
#4
Hana Sechovcová, Jiri Killer, Radko Pechar, Martina Geigerová, Roman Švejstil, Hana Salmonová, Chahrazed Mekadim, Vojtěch Rada, Eva Vlková, Olga Kofroňová, Oldřich Benada
A slightly irregular, short rod-shaped bacterial strain, MOZIV/2T, showing activity of fructose 6-phosphate phosphoketolase was isolated from the oral cavity of a home-bred guinea-pig. Based on comparative 16S rRNA gene sequence analyses, its closest relatives were Alloscardovia omnicolens DSM 21503T and Alloscardovia criceti DSM 17774T with 96.0 and 95.6 % pairwise similarities, respectively. Completeness of the compared sequences was 97.3 and 96.9 %, respectively. Growth was found only under anaerobic conditions...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28819688/airway-reconstruction-using-decellularized-tracheal-allografts-in-a-porcine-model
#5
Michinobu Ohno, Yasushi Fuchimoto, Huai-Che Hsu, Masataka Higuchi, Makoto Komura, Tetsuji Yamaoka, Akihiro Umezawa, Shin Enosawa, Tatsuo Kuroda
PURPOSE: Tracheal cartilage reconstruction is an essential approach for the treatment of tracheal congenital abnormalities or injury. Here, we evaluated the use of allogeneic decellularized tracheas as novel support scaffolds. METHODS: Six weaned pigs (4-week-old domestic males) were transplanted with allogeneic tracheal graft patches (three decellularized and three fresh tracheal scaffolds) onto artificial defects (approximately 15 × 15 mm). After 11 weeks, the tracheas were evaluated by bronchoscopy and histological studies...
August 17, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28819228/convergent-and-divergent-genetic-changes-in-the-genome-of-chinese-and-european-pigs
#6
Jing Wang, Huiying Zou, Lei Chen, Xi Long, Jing Lan, Wenjie Liu, Li Ma, Chao Wang, Xinyu Xu, Liming Ren, Zhenglong Gu, Ning Li, Xiaoxiang Hu, Yaofeng Zhao, Yiqiang Zhao
Since 10,000 BC, continuous human selection has led to intense genetic and phenotypic changes in pig (Sus scrofa) domestication. Through whole genome analysis of 257 individuals, we demonstrated artificial unidirectional and bidirectional selection as the primary force to shape the convergent and divergent changes between Chinese domestic pigs (CHD) and European domestic pigs (EUD). We identified 31 genes in unidirectional selection regions that might be related to fundamental domestication requirements in pigs...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819225/cytochrome-p450-abc-transporter-inhibition-simultaneously-enhances-ivermectin-pharmacokinetics-in-the-mammal-host-and-pharmacodynamics-in-anopheles-gambiae
#7
Carlos J Chaccour, Felix Hammann, Marta Alustiza, Sandra Castejon, Brian B Tarimo, Gloria Abizanda, Ángel Irigoyen Barrio, Helena Martí Soler, Rafael Moncada, José Ignacio Bilbao, Azucena Aldaz, Marta Maia, José Luis Del Pozo
Mass administration of endectocides, drugs that kill blood-feeding arthropods, has been proposed as a complementary strategy to reduce malaria transmission. Ivermectin is one of the leading candidates given its excellent safety profile. Here we provide proof that the effect of ivermectin can be boosted at two different levels by drugs inhibiting the cytochrome or ABC transporter in the mammal host and the target mosquitoes. Using a mini-pig model, we show that drug-mediated cytochrome P450/ABC transporter inhibition results in a 3-fold increase in the time ivermectin remains above mosquito-killing concentrations...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819193/experiments-suggesting-extra-digestive-effects-of-enteral-pancreatic-amylase-and-its-peptides-on-glucose-homeostasis-in-a-pig-model
#8
Stefan G Pierzynowski, Kateryna Goncharova, Peter C Gregory, Björn Weström, Sergiy E Podpryatov, Sergii S Podpriatov, Jarosław Woliński, Hlib Repich, Nils Wierup, Liudmyla Lozinska
The studies presented were designed to highlight the impact of pancreatic enzymes on glycemic control and insulin response. Blood glucose and plasma insulin levels were monitored after intravenous, oral or direct gut glucose tolerance tests (GTT) in 6 pigs with an intact gastrointestinal tract and in 12 pigs following duodenal-jejunal bypass (DJB) surgery. In the intact pigs, pancreatic enzymes (Creon®) given orally 1 h prior to the GTT, lowered the blood glucose levels during the oral and meal GTT and reduced the plasma insulin response during the intravenous and meal GTT...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818859/renal-denervation-suppresses-coronary-hyperconstricting-responses-after-drug-eluting-stent-implantation-in-pigs-in-vivo-through-the-kidney-brain-heart-axis
#9
Hironori Uzuka, Yasuharu Matsumoto, Kensuke Nishimiya, Kazuma Ohyama, Hideaki Suzuki, Hirokazu Amamizu, Susumu Morosawa, Michinori Hirano, Tomohiko Shindo, Yoku Kikuchi, Kiyotaka Hao, Takashi Shiroto, Kenta Ito, Jun Takahashi, Koji Fukuda, Satoshi Miyata, Yoshihito Funaki, Hatsue Ishibashi-Ueda, Satoshi Yasuda, Hiroaki Shimokawa
OBJECTIVE: Drug-eluting stent-induced coronary hyperconstricting responses remain an important issue. The adventitia harbors a variety of components that potently modulate vascular tone, including sympathetic nerve fibers (SNF) and vasa vasorum. Catheter-based renal denervation (RDN) inhibits sympathetic nerve activity. We, thus, examined whether RDN suppresses drug-eluting stent-induced coronary hyperconstricting responses, and if so, what mechanisms are involved. APPROACH AND RESULTS: Protocol 1: pigs implanted with everolimus-eluting stents into the left coronary arteries underwent coronary angiography at 1 month after implantation for assessment of coronary vasomotion and adventitial SNF formation...
August 17, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28818694/diffusion-time-dependence-of-microstructural-parameters-in-fixed-spinal-cord
#10
REVIEW
Sune Nørhøj Jespersen, Jonas Lynge Olesen, Brian Hansen, Noam Shemesh
Biophysical modelling of diffusion MRI is necessary to provide specific microstructural tissue properties. However, estimating model parameters from data with limited diffusion gradient strength, such as clinical scanners, has proven unreliable due to a shallow optimization landscape. On the other hand, estimation of diffusion kurtosis (DKI) parameters is more robust, and its parameters may be connected to microstructural parameters, given an appropriate biophysical model. However, it was previously shown that this procedure still does not provide sufficient information to uniquely determine all model parameters...
August 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28818455/adipose-derived-stromal-cells-enhance-auditory-neuron-survival-in-an-animal-model-of-sensory-hearing-loss
#11
Philipp Schendzielorz, Maike Vollmer, Kristen Rak, Armin Wiegner, Nashwa Nada, Katrin Radeloff, Rudolf Hagen, Andreas Radeloff
BACKGROUND: A cochlear implant (CI) is an electronic prosthesis that can partially restore speech perception capabilities. Optimum information transfer from the cochlea to the central auditory system requires a proper functioning auditory nerve (AN) that is electrically stimulated by the device. In deafness, the lack of neurotrophic support, normally provided by the sensory cells of the inner ear, however, leads to gradual degeneration of auditory neurons with undesirable consequences for CI performance...
August 14, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28818391/role-of-capillary-pericytes-and-precapillary-arterioles-in-the-vascular-mechanism-of-betahistine-in-a-guinea-pig-inner-ear-model
#12
Mattis Bertlich, Friedrich Ihler, Bernhard G Weiss, Saskia Freytag, Michael Strupp, Mark Jakob, Martin Canis
AIMS: Betahistine is a histamine analogue that is used for the treatment of Menière's disease. Animal studies showed that it increases local blood flow in the stria vascularis. In terms of its mode of action, recent studies have prompted discussion of whether betahistine actively affects cochlear microcirculation by dilations of pericytes or of precapillary arterioles or by mere downstream effects. Hence, we investigated the effects of betahistine on cochlear capillary pericytes and precapillary arterioles...
August 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28817740/influence-of-microtextured-implant-surfaces-on-peri-implantitis-and-its-treatment-a-preclinical-trial
#13
Juan C Rodriguez, Tapan Koticha, Diana L Eubanks, Ivan Rudek, Fred J Molz, Ludovica Chiavaccini, Andrew Claude, Steven Elder, Hom-Lay Wang
PURPOSE: The prevalence of peri-implantitis has increased significantly, forcing clinicians to search for ways to prevent it. Laser-microtextured surfaces promote soft tissue attachment and provide a tight seal around implants. Hence, the aim of this study was to examine the clinical, radiographic, and histologic features of ligature-induced peri-implantitis, as well as the effect of surgical treatment of these induced peri-implantitis lesions on laser-microtextured implants in a controlled animal model...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817653/perilymph-pharmacokinetics-of-marker-applied-through-a-cochlear-implant-in-guinea-pigs
#14
Alec Salt, Jared Hartsock, Ruth Gill, Daniel Smyth, Jonathon Kirk, Kristien Verhoeven
Patients undergoing cochlear implantation could benefit from a simultaneous application of drugs into the ear, helping preserve residual low-frequency hearing and afferent nerve fiber populations. One way to apply drugs is to incorporate a cannula into the implant, through which drug solution is driven. For such an approach, perilymph concentrations achieved and the distribution in the ear over time have not previously been documented. We used FITC-labeled dextran as a marker, delivering it into perilymph of guinea pigs at 10 or 100 nL/min though a cannula incorporated into a cochlear implant with the outlet in the mid basal turn...
2017: PloS One
https://www.readbyqxmd.com/read/28817400/liver-xenotransplantation
#15
Madhukar S Patel, Nathan Louras, Parsia A Vagefi
PURPOSE OF REVIEW: There continues to be an inadequate organ supply and lack of effective temporary support, for patients with liver failure. The purpose of this review is to discuss recent progress in the field of orthotopic pig-to-nonhuman primate (NHP) liver xenotransplantation (LXT). RECENT FINDINGS: From 1968 to 2012, survival in pig-to-NHP LXT was limited to 9 days, initially due to hyperacute rejection which has been ameliorated through use of genetically engineered donor organs, but ultimately because of profound thrombocytopenia, thrombotic microangiopathy, and bleeding...
August 16, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28817375/effect-of-maternal-antibody-transfer-on-antibody-dynamics-and-control-of-porcine-circovirus-type-2-infection-in-offspring
#16
Cheryl M T Dvorak, Brian J Payne, Jessica L Seate, Michael P Murtaugh
Sow immunity plays an important role in preventing viral infection and disease in newborn piglets. Vertical transmission of porcine circovirus type 2 (PCV2) may perpetuate porcine circovirus associated disease (PCVAD) in newborn and growing pigs. Hence, the immunological effects of maternal immunoglobulin transfer of PCV2-specific antibodies on PCV2 viremia and immune response in piglets in commercial swine herds were evaluated. Sow vaccination has been shown to reduce viral shedding and viremia, and increases the neutralizing antibody (NA) titers...
August 17, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28815342/development-of-a-novel-detachable-magnetic-nerve-stimulator-for-intraoperative-neuromonitoring
#17
Eui-Suk Sung, Jin-Choon Lee, Sung-Chan Shin, Sung-Won Choi, Da-Woon Jung, Byung-Joo Lee
BACKGROUND: Recurrent laryngeal nerve (RLN) palsy is a serious complication of thyroid surgery. During intraoperative neuromonitoring (IONM) of the RLN in thyroid surgery, repeated shifting between surgical instruments and the nerve stimulator is cumbersome and time-consuming. Therefore, we developed a simple detachable magnetic nerve stimulator that may be connected to all metallic surgical instruments. This study aimed to investigate the feasibility and efficacy of this detachable magnetic nerve stimulator for IONM in a porcine model and humans...
August 16, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28814861/the-influence-of-direct-laser-metal-sintering-implants-on-the-early-stages-of-osseointegration-in-diabetic-mini-pigs
#18
Naiwen Tan, Xiangwei Liu, Yanhui Cai, Sijia Zhang, Bo Jian, Yuchao Zhou, Xiaoru Xu, Shuai Ren, Hongbo Wei, Yingliang Song
BACKGROUND: High failure rates of oral implants have been reported in diabetic patients due to the disruption of osseointegration. The aim of this study was to investigate whether direct laser metal sintering (DLMS) could improve osseointegration in diabetic animal models. METHODS: Surface characterizations were carried out on two types of implants. Cell morphology and the osteogenic-related gene expression of MG63 cells were observed under conditions of DLMS and microarc oxidation (MAO)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28814758/targeted-insertion-of-an-anti-cd2-monoclonal-antibody-transgene-into-the-ggta1-locus-in-pigs-using-foki-dcas9
#19
Mark B Nottle, Evelyn J Salvaris, Nella Fisicaro, Stephen McIlfatrick, Ivan Vassiliev, Wayne J Hawthorne, Philip J O'Connell, Jamie L Brady, Andrew M Lew, Peter J Cowan
Xenotransplantation from pigs has been advocated as a solution to the perennial shortage of donated human organs and tissues. CRISPR/Cas9 has facilitated the silencing of genes in donor pigs that contribute to xenograft rejection. However, the generation of modified pigs using second-generation nucleases with much lower off-target mutation rates than Cas9, such as FokI-dCas9, has not been reported. Furthermore, there have been no reports on the use of CRISPR to knock protective transgenes into detrimental porcine genes...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814711/reprogramming-bone-marrow-stem-cells-to-functional-endothelial-cells-in-a-mini-pig-animal-model
#20
Franziska Schlegel, Marco Appler, Michelle Halling, Francis Edwin Smit, Friedrich-Wilhelm Mohr, Stefan Dhein, Pascal Maria Dohmen
BACKGROUND The aims of this study were to compare the morphological, biochemical, and functional properties of reprogrammed bone marrow stem cell (BMSC)-derived arterial endothelial cells (AECs) and venous endothelial cells (VECs), following adenosine triphosphate (ATP)-stimulation in a mini pig animal model. MATERIAL AND METHODS Bone marrow aspiration was performed in six adult mini pigs. Harvested mononuclear cells were isolated, cultured, and treated with vascular endothelial growth factor (VEGF) (16 µg/ml)...
August 17, 2017: Medical Science Monitor Basic Research
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