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https://www.readbyqxmd.com/read/28549299/the-effect-of-feed-supplementation-with-effective-microorganisms-em-on-pro-and-anti-inflammatory-cytokine-concentrations-in-pigs
#1
Ewa Laskowska, Łukasz Jarosz, Zbigniew Grądzki
Effective microorganisms (EM) are used in numerous fields associated with agriculture. The beneficial effects of EM on the general health of pigs and on production parameters are also determined by the influence of these microbes on immunity. The aim of the study was to assess the effect of feed supplementation with EM on the concentration of pro- and anti-inflammatory cytokines in the serum and in a culture of PBMCs with and without ConA stimulation in pigs. ELISA kits were used to determine the cytokine levels in the porcine serum and the PBMC culture supernatants...
April 14, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28548698/novel-porcine-experimental-model-of-severe-progressive-thoracic-scoliosis-with-compensatory-curves-induced-by-interpedicular-bent-rigid-temporary-tethering
#2
Carlos Barrios, José Miguel Lloris, Juan Alonso, Borja Maruenda, Jesús Burgos, Rafael Llombart-Blanco, Luis Gil, Viviana Bisbal
Using flexible tethering techniques, porcine models of experimental scoliosis have shown scoliotic curves with vertebral wedging but very limited axial rotation. The aim of this experimental work was to induce a severe progressive scoliosis in a growing porcine model for research purposes. A unilateral spinal bent rigid tether was anchored to two ipsilateral pedicle screws in eight pigs. The spinal tether was removed after 8 weeks. Ten weeks later, the animals were sacrificed. Conventional radiographs and 3D CT-scans were taken to evaluate changes in the alignment of the thoracic spine...
May 26, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28548695/development-of-a-novel-bioabsorbable-implant-that-is-substituted-by-adipose-tissue-in-vivo
#3
Shuichi Ogino, Naoki Morimoto, Michiharu Sakamoto, Chizuru Jinno, Katsuhiro Yoshikawa, Tatsuki Enoshiri, Yuki Sakamoto, Tsuguyoshi Taira, Shigehiko Suzuki
Recently, adipose tissue has been regenerated by combining scaffolds, growth factors, and/or adipose tissue-derived stromal cells (ASCs). However, the safety of growth factors and ASCs has not been confirmed in cancer patients. We reported the regeneration of adipose tissue in the internal space of a polypropylene mesh containing a collagen sponge (CS), without using any growth factors or cells. We herein explored the formation of adipose tissue, using the bioabsorbable implant containing CS, in rats. We prepared the implants without and with CS, using threads of either poly l-lactide-co-ε-caprolactone [P(LA/CL)] or poly-l-lactic acid (PLLA), and measured their strengths...
May 26, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28547928/application-of-endobronchial-ultrasonography-in-laparoscopic-liver-segmentectomy-in-an-animal-model
#4
Tomoyuki Abe, Tsuyoshi Kobayashi, Seiichi Shimizu, Michinori Hamaoka, Hiroshi Iwako, Masakazu Hashimoto, Yoshihiro Mikuriya, Shintaro Kuroda, Hirotaka Tashiro, Hideki Ohdan
INTRODUCTION: This study investigated whether laparoscopic ultrasound-guided segment staining and real-time ultrasound-guided hepatectomy, with endobronchial ultrasonography equipped with a guide sheath, would be useful for laparoscopic liver segmentectomy in a porcine model. MATERIAL AND SURGICAL TECHNIQUE: The abdominal cavity (in two pigs) was reached via a 12-mm umbilical trocar. An artificial tumor was created by radiofrequency ablation within the intended resection area...
May 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28547819/the-impact-of-serum-incubation-time-on-igm-igg-binding-to-porcine-aortic-endothelial-cells
#5
Zhongqiang Zhang, Bingsi Gao, Chengjiang Zhao, Cassandra Long, Haizhi Qi, Mohamed Ezzelarab, David Kc Cooper, Hidetaka Hara
The results of the assay for measuring anti-non-Gal antibodies (which affect pig xenograft survival) in recipients are important. Serum incubation time and concentration may be important factors in the extent of antibody binding to the graft. The aim of this in vitro study was to determine the optimal incubation time and serum concentration for measuring anti-non-Gal antibody binding to porcine aortic endothelial cells (pAECs). Pooled human, naive, and sensitized baboon sera were incubated with wild-type, α1,3-galactosyltransferase gene-knockout (GTKO), and GTKO/human CD55 pAECs...
May 25, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28546868/evaluation-of-porcine-reproductive-and-respiratory-syndrome-stabilization-protocols-in-23-french-farrow-to-finish-farms-located-in-a-high-density-swine-area
#6
Pauline Berton, Valérie Normand, Guy-Pierre Martineau, Franck Bouchet, Arnaud Lebret, Agnès Waret-Szkuta
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) is responsible for reproductive disorders in sows and respiratory problems in pigs, and has a major economic impact. Controlling PRRSV is therefore a priority for the swine industry. Stabilization of a herd, defined as the production of PRRSV-negative pigs at weaning from seropositive sows, is a common method of control, and different protocols have been described in the literature to achieve this stabilization. CONTEXT AND PURPOSE: The objective of this study was to evaluate wether the combination of mass vaccination of sows and their piglets with a Genotype I modified live virus (MLV) vaccine, with temporal closure to the introduction of replacement animals and unidirectional pig and human flow can result in the production of PRRSV-negative pigs at weaning...
2017: Porcine Health Management
https://www.readbyqxmd.com/read/28546151/comparison-of-intraocular-pressure-during-the-application-of-a-liquid-patient-interface-femto-ldv-z8-for-femtosecond-laser-assisted-cataract-surgery-using-two-different-vacuum-levels
#7
Martina Ebner, Siegfried Mariacher, Kai Januschowski, Katrin Boden, Anna-Maria Seuthe, Peter Szurman, Karl Thomas Boden
BACKGROUND: To evaluate intraocular pressure (IOP) using the application of a novel liquid patient interface for femtosecond laser-assisted cataract surgery with the FEMTO LDV Z8. METHODS: IOP was evaluated in enucleated porcine eyes prior, during and after the application of the Femto LDV Z8 liquid patient interface (Ziemer Ophthalmic Systems, Switzerland) using intracameral cannulation (n=20), intravitreal cannulation (n=20), rebound tonometry (n=20) and indentation tonometry (n=20)...
May 25, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546105/ex-vivo-skin-permeation-and-penetration-of-nonivamide-from-and-in-vivo-skin-tolerability-of-film-forming-formulations-containing-porous-silica
#8
Rouven Heck, Milica Ž Lukić, Snežana D Savić, Rolf Daniels, Dominique J Lunter
AIM: The purpose of this study was to evaluate skin permeation and penetration of nonivamide which has been formulated in novel film-forming formulations (FFFs). These formulations aim to prolong the availability of capsaicinoids which are used in long-term treatment of chronic pruritus. METHODS: An oily solution of nonivamide was loaded into porous silica particles which then were suspended in an aqueous dispersion of a sustained release polymer. Permeation and penetration experiments were performed ex vivo with postauricular porcine skin using modified Franz diffusion cells...
May 22, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28546045/intravenous-targeted-microbubbles-carrying-urokinase-versus-urokinase-alone-in-acute-peripheral-arterial-thrombosis-in-a-porcine-model
#9
Johanna H Nederhoed, Harm P Ebben, Jeroen Slikkerveer, Arjan Wj Hoksbergen, Otto Kamp, Geert-Jan Tangelder, Willem Wisselink, René Jp Musters, Kak K Yeung
PURPOSE: Standard therapy in acute peripheral arterial occlusion consists of intra-arterial catheter guided thrombolysis. As microbubbles may be used as a carrier for fibrinolytic agents and targeted to adhere to the thrombus, we can theoretically deliver the thrombolytic medication locally following simple intravenous injection. In this intervention-controlled feasibility study, we compared intravenously administered targeted microbubbles incorporating Urokinase and locally applied ultrasound, with intravenous Urokinase and ultrasound alone...
May 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28546006/atrial-myofibroblast-activation-and-connective-tissue-formation-in-a-porcine-model-of-atrial-fibrillation-and-reduced-left-ventricular-function
#10
Patrick Lugenbiel, Fabian Wenz, Katharina Govorov, Pascal Syren, Hugo A Katus, Dierk Thomas
AIMS: Atrial fibrillation (AF) is associated with fibrosis that slows electrical conduction and causes perpetuation of the arrhythmia. The molecular characterization of AF pathophysiology may provide novel therapeutic options. This study was designed to elucidate profibrotic signaling and myofibroblast activation in a porcine model of atrial tachypacing-induced AF and reduced left ventricular function. MATERIALS AND METHODS: Ten domestic pigs were randomized to sinus rhythm (SR) or AF groups...
May 22, 2017: Life Sciences
https://www.readbyqxmd.com/read/28545143/haemophilus-parasuis-cytolethal-distending-toxin-induces-cell-cycle-arrest-and-p53-dependent-apoptosis
#11
Gang Li, Hui Niu, Yanhe Zhang, Yanling Li, Fang Xie, Paul R Langford, Siguo Liu, Chunlai Wang
Haemophilus parasuis is the causative agent of Glasser's disease in pigs. Cytolethal distending toxin (CDT) is an important virulence factor of H. parasuis. It is composed of three subunits: CdtA, CdtB and CdtC and all were successfully expressed in soluble form in Escherichia coli when the signal peptides were removed. Purified CdtB had DNase activity, i.e. caused DNA double strand damage, in vitro and in vivo prior to cell arrest and apoptosis. Flow cytometry analysis showed CdtB alone could induce cell cycle arrest and apoptosis in PK-15 porcine kidney and pulmonary alveolar macrophage (PAM) cells, which could be enhanced by CdtA or/and CdtC...
2017: PloS One
https://www.readbyqxmd.com/read/28545055/comparative-lytic-efficacy-of-rt-pa-and-ultrasound-in-porcine-versus-human-clots
#12
Shenwen Huang, Himanshu Shekhar, Christy K Holland
INTRODUCTION: Porcine thrombi are employed routinely in preclinical models of ischemic stroke. In this study, we examined the differential lytic susceptibility of porcine and human whole blood clots with and without the use of microbubbles and ultrasound (US) as an adjuvant. MATERIALS AND METHODS: An in vitro system equipped with time-lapse microscopy was used to evaluate recombinant tissue-plasminogen activator (rt-PA) lysis of porcine and human clots in the same species or cross species plasma...
2017: PloS One
https://www.readbyqxmd.com/read/28544836/aortic-valve-replacement-with-the-labcor-tlpb-supra%C3%A2-porcine-bioprosthesis-intermediate-clinical-and-echocardiographic-outcomes
#13
Markus Schlömicher, Zulfugar Taghiyev, Yazan Al-Jabery, Peter Lukas Haldenwang, Leif Markthaler, Vadim Moustafine, Axel Maria Laczkovics, Justus Thomas Strauch, Matthias Bechtel
BACKGROUND: The Labcor TBLP Supra™ prosthesis is a second-generation tissue valve that has evolved from the Labcor TBLP™ prosthesis, first introduced in 1984. The Supra prosthesis is a triple-composite porcine valve, with no specific anticalcification treatment being used in its production other than standard tissue fixation with 0.4% glutaraldehyde. To date, more than 100,000 Supra valves have been implanted, mainly in South America. Despite this remarkably high number of implants, only marginal data exist concerning durability and safety issues...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544322/in-vitro-skin-expansion-wound-healing-assessment
#14
Peter M Prim, Han Su Kim, Lindsey E Shapiro, Jae Sung Lee, James H Kaan, John D Jackson, James J Yoo, Anthony Atala, Sang Jin Lee
For treatments requiring split-thickness skin grafts, it is preferable to mesh the grafts. This reduces the amount of excised skin and covers more wound area. The mesh technique, however, destroys surface continuity, which results in scarring. Strain-based bioreactors, on the other hand, have successfully expanded split-thickness skin grafts in vitro within a 7-day period, increasing graft coverage. After in vitro expansion, the expanded skin grafts were tested in a porcine full-thickness excisional wound model...
May 24, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28543962/effects-of-meiotic-inhibitors-and-gonadotrophins-on-porcine-oocytes-in-vitro-maturation-fertilization-and-development
#15
M A Gil, A Nohalez, C A Martinez, J R Ake-Villanueva, F Centurion-Castro, C Maside, C Cuello, J Roca, I Parrilla, E A Martinez
This study evaluated the effect of three reversible meiotic inhibitors (MINs) and their interaction with gonadotrophins (Gns) on the meiotic maturation and developmental competence of porcine oocytes. In experiment 1, the oocytes were matured for 22 hr in the presence or absence of dbcAMP (1 mM), cycloheximide (7 μM) or cilostamide (20 μM) with or without Gns, and for an additional 22 hr in the absence of MINs and Gns. At 22 hr of maturation, regardless of the presence of Gns, a higher proportion (p < ...
May 21, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28543820/design-synthesis-and-biological-evaluation-of-coumarin-triazole-hybrid-molecules-as-potential-antitumor-and-pancreatic-lipase-agents
#16
Bahittin Kahveci, Fatih Yılmaz, Emre Menteşe, Serdar Ülker
The design, synthesis, and investigation of antitumor and anti-lipase activities of some coumarin-triazole hybrid molecules are reported. The synthesis of these hybrid molecules was performed under microwave irradiation and conventional heating procedures. The newly synthesized hybrid molecules were investigated as inhibitors against four tumor cell lines (BT20 human breast carcinoma, SK-Mel 128 melanoma, DU-145 prostate carcinoma, and A549 lung carcinoma) and porcine pancreatic lipase (PPL). Most of these compounds showed notable antitumor activities against the tested tumor cell lines, and compounds 8i and 8l showed the best anti-lipase activity of 99...
May 22, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28543403/decellularized-human-liver-is-too-heterogeneous-for-designing-a-generic-extracellular-matrix-mimic-hepatic-scaffold
#17
Giorgio Mattei, Chiara Magliaro, Andrea Pirone, Arti Ahluwalia
Decellularized human livers are considered the perfect extracellular matrix (ECM) surrogate because both three-dimensional architecture and biological features of the hepatic microenvironment are thought to be preserved. However, donor human livers are in chronically short supply, both for transplantation or as decellularized scaffolds, and will become even scarcer as life expectancy increases. It is hence of interest to determine the structural and biochemical properties of human hepatic ECM to derive design criteria for engineering biomimetic scaffolds...
May 23, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28543331/integration-of-optical-applicator-with-balloon-catheter-for-photothermal-treatment-of-biliary-stricture
#18
Jinoh Bak, Jieun Hwang, Suhyun Park, Hyun W Kang
BACKGROUND AND OBJECTIVE: Bile duct stricture is an uncommon disease in gastroenterology resulting from postoperative trauma. In spite of non-surgical treatments, clinical outcomes for the biliary strictures still encounter high restenosis and stent migration. The objective of the current study was to investigate the feasible application of a balloon catheter-integrated diffing applicator to thermally treat the bile duct stricture. MATERIALS AND METHODS: 400-μm optical fibers were micro-machined and then integrated with an inflatable balloon catheter...
May 25, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28542904/can-resonance-frequency-analysis-rfa-detect-narrow-marginal-bone-defects-around-dental-implants-an-ex-vivo-animal-pilot-study
#19
Coral Jie Yao, Li Ma, Nikos Mattheos
BACKGROUND: Resonance Frequency Analysis (RFA) is widely applied to assess implant stability, as expressed by Implant Stability Quotient (ISQ). However, the relation between ISQ value and the presence and extent of narrow marginal bone defects around implants has not been documented. PURPOSE: To investigate the potential of RFA devices to identify the presence and extent of marginal bone defects around implants, as expressed by the ISQ values. MATERIALS AND METHODS: 28 Straumann bone level implants (BL) and 28 bone level tapered implants (BLT), were placed ex-vivo in porcine ribs...
May 25, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28542807/genetic-diversity-virulotyping-and-antimicrobial-resistance-susceptibility-of-yersinia-enterocolitica-isolated-from-pigs-and-porcine-products-in-malaysia
#20
Kwai Lin Thong, Lai Kuan Tan, Peck Toung Ooi
BACKGROUND: The objectives of this study were to determine the antimicrobial resistance, virulotypes and genetic diversity of Yersinia enterocolitica isolated from uncooked porcine food and live pigs in Malaysia. RESULTS: Thirty-two non-repeat Y. enterocolitica strains of three bioserotypes (3 variant/O:3, n=27; 1B/O:8, n=3; 1A/O:5, n=2) were analysed. About 90% of strains were multidrug-resistant with MAR index <0.2 and majority of the strains were resistant to nalidixic acid, clindamycin, ampicillin, ticarcillin, tetracycline and amoxicillin...
May 24, 2017: Journal of the Science of Food and Agriculture
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