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https://www.readbyqxmd.com/read/28213532/susceptibility-and-pk-pd-relationships-of-staphylococcus-aureus-strains-from-ovine-and-caprine-with-clinical-mastitis-against-five-veterinary-fluoroquinolones
#1
J M Serrano-Rodríguez, C Cárceles-García, C M Cárceles-Rodríguez, M L Gabarda, J M Serrano-Caballero, E Fernández-Varón
Minimum inhibitory concentration (MIC) and mutant prevention concentration (MPC) of veterinary fluoroquinolones as enrofloxacin, its metabolite ciprofloxacin, danofloxacin, difloxacin and marbofloxacin against Staphylococcus aureus strains (n=24) isolated from milk of sheep and goats affected by clinical mastitis were evaluated. The authors have used the MIC and MPC, as well as the pharmacokinetic-pharmacodynamic relationships in plasma and milk. MIC values were significantly different between drugs, unlike MPC values...
February 17, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28207656/biomechanical-evaluation-of-transpedicular-nucleotomy-with-intact-annulus-fibrosus
#2
Fabrizio Russo, Robert A Hartman, Kevin M Bell, Nam Vo, Gwendolyn A Sowa, James D Kang, Gianluca Vadalà, Vincenzo Denaro
STUDY DESIGN: Biomechanical testing of partially nucleotomized ovine cadaveric spines. OBJECTIVE: To explore how the nucleus pulposus (NP) affects the biomechanical behavior of the intervertebral disc (IVD) by performing a partial nucleotomy via the transpedicular approach. SUMMARY OF BACKGROUND DATA: Mechanical loading represents a crucial part of IVD homeostasis. However, traditional regenerative strategies require violation of the annulus fibrosus (AF) resulting in significant alteration of joint mechanics...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28203702/chronic-hypoxia-upregulates-dna-methyltransferase-and-represses-large-conductance-ca2-activated-k-channel-function-in-ovine-uterine-arteries%C3%A2
#3
Xiang-Qun Hu, Man Chen, Chiranjib Dasgupta, Daliao Xiao, Xiaohui Huang, Shumei Yang, Lubo Zhang
No abstract text is available yet for this article.
February 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28202796/evaluation-of-genotypic-and-phenotypic-protease-virulence-tests-for-dichelobacter-nodosus-infection-in-sheep
#4
Andrew S McPherson, Om P Dhungyel, Richard J Whittington
Dichelobacter nodosus is a fastidious, strictly anaerobic bacterium, an obligate parasite of the ruminant hoof and the essential causative agent of virulent ovine footrot. The clinical disease results from a complex interplay between pathogen, environment and host. Sheep flocks diagnosed with virulent but not benign footrot in Australia may be quarantined and required to undergo a compulsory eradication program, with costs met by the farmer. Virulence of D. nodosus is at least partially dependent on elaboration of a protease coded by aprV2 and manifest as elastase activity...
February 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28190485/cost-benefit-analysis-of-management-practices-for-ewes-lame-with-footrot
#5
Joanne R Winter, Laura E Green
The aim of this study was to investigate the cost-benefit of different strategies to treat and control ovine footrot. In November 2006, 162 sheep farmers in England responded to a survey on prevalence and management of lameness. The costs of lameness per ewe per year (PEPY) were calculated for 116 flocks. Linear regression was used to model the overall cost of lameness PEPY by management method. Associations between farmer satisfaction and time and money spent managing lameness were investigated. The median prevalence of lameness was 5% (inter-quartile range, IQR, 4-10%)...
February 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28187715/unveiling-genomic-regions-that-underlie-differences-between-afec-assaf-sheep-and-its-parental-awassi-breed
#6
Eyal Seroussi, Alexander Rosov, Andrey Shirak, Alon Lam, Elisha Gootwine
BACKGROUND: Sheep production in Israel has improved by crossing the fat-tailed local Awassi breed with the East Friesian and later, with the Booroola Merino breed, which led to the formation of the highly prolific Afec-Assaf strain. This strain differs from its parental Awassi breed in morphological traits such as tail and horn size, coat pigmentation and wool characteristics, as well as in production, reproductive and health traits. To identify major genes associated with the formation of the Afec-Assaf strain, we genotyped 41 Awassi and 141 Afec-Assaf sheep using the Illumina Ovine SNP50 BeadChip array, and analyzed the results with PLINK and EMMAX software...
February 10, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28186682/repair-of-torn-avascular-meniscal-cartilage-using-undifferentiated-autologous-mesenchymal-stem-cells-from-in-vitro-optimization-to-a-first-in-human-study
#7
Michael R Whitehouse, Nicholas R Howells, Michael C Parry, Eric Austin, Wael Kafienah, Kyla Brady, Allen E Goodship, Jonathan D Eldridge, Ashley W Blom, Anthony P Hollander
Meniscal cartilage tears are common and predispose to osteoarthritis (OA). Most occur in the avascular portion of the meniscus where current repair techniques usually fail. We described previously the use of undifferentiated autologous mesenchymal stem cells (MSCs) seeded onto a collagen scaffold (MSC/collagen-scaffold) to integrate meniscal tissues in vitro. Our objective was to translate this method into a cell therapy for patients with torn meniscus, with the long-term goal of delaying or preventing the onset of OA...
December 15, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28179903/corrigendum-orf-virus-002-protein-targets-ovine-protein-s100a4-and-inhibits-nf-%C3%AE%C2%BAb-signaling
#8
Daxiang Chen, Zewei Zheng, Bin Xiao, Wei Li, Mingjian Long, Huiqin Chen, Ming Li, Daniel L Rock, Wenbo Hao, Shuhong Luo
[This corrects the article on p. 1389 in vol. 7, PMID: 27679610.].
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28176273/the-haematoma-and-its-role-in-bone-healing
#9
REVIEW
H Schell, G N Duda, A Peters, S Tsitsilonis, K A Johnson, K Schmidt-Bleek
Fracture treatment is an old endeavour intended to promote bone healing and to also enable early loading and regain of function in the injured limb. However, in today's clinical routine the healing potential of the initial fracture haematoma is still not fully recognized. The Arbeitsgemeinschaft für Osteosynthesefragen (AO) formed in Switzerland in 1956 formulated four AO principles of fracture treatment which are still valid today. Fracture treatment strategies have continued to evolve further, as for example the relatively new concept of minimally invasive plate osteosynthesis (MIPO)...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28173831/immunoselected-stro-3-mesenchymal-precursor-cells-reduce-inflammation-and-improve-clinical-outcomes-in-a-large-animal-model-of-monoarthritis
#10
Anwar Abdalmula, Laura M Dooley, Claire Kaufman, Elizabeth A Washington, Jacqueline V House, Barbara A Blacklaws, Peter Ghosh, Silviu Itescu, Simon R Bailey, Wayne G Kimpton
BACKGROUND: The purpose of this study was to investigate the therapeutic efficacy of intravenously administered immunoselected STRO-3 + mesenchymal precursor cells (MPCs) on clinical scores, joint pathology and cytokine production in an ovine model of monoarthritis. METHODS: Monoarthritis was established in 16 adult merino sheep by administration of bovine type II collagen into the left hock joint following initial sensitization to this antigen. After 24 h, sheep were administered either 150 million allogeneic ovine MPCs (n = 8) or saline (n = 8) intravenously (IV)...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28170341/the-effects-of-antenatal-glucocorticoid-exposure-on-fetal-and-neonatal-skin-maturation
#11
Deanne August, Yogavijayan Kandasamy
AIMS: The use of antenatal glucocorticoids in women with preterm labor has dramatically improved outcomes for premature infants. The most commonly used antenatal glucocorticoids are betamethasone and dexamethasone. Glucocorticoids accelerate fetal lung growth by several mechanisms, including the maturation of type II pneumocytes enabling surfactant production. Furthermore, the lipids in the lung share similarity with those in the skin. Therefore, antenatal administration of glucocorticoids may have effects on the structure and function of the developing epidermal barrier in fetuses and neonates...
February 7, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28170186/live-tissue-imaging-to-elucidate-mechanical-modulation-of-stem-cell-niche-quiescence
#12
Nicole Y C Yu, Connor A O'Brien, Iveta Slapetova, Renee M Whan, Melissa L Knothe Tate
The periosteum, a composite cellular connective tissue, bounds all nonarticular bone surfaces. Like Velcro, collagenous Sharpey's fibers anchor the periosteum in a prestressed state to the underlying bone. The periosteum provides a niche for mesenchymal stem cells. Periosteal lifting, as well as injury, causes cells residing in the periosteum (PDCs) to change from an immobile, quiescent state to a mobile, active state. The physical cues that activate PDCs to home to and heal injured areas remain a conundrum...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28167154/pilot-field-trial-of-the-eg95-vaccine-against-ovine-cystic-echinococcosis-in-rio-negro-argentina-humoral-response-to-the-vaccine
#13
Edmundo Larrieu, Thelma Verónica Poggio, Guillermo Mujica, Charles G Gauci, Jose Luis Labanchi, Eduardo Herrero, Daniel Araya, Claudia Grizmado, Arnoldo Calabro, Gabriel Talmon, Pablo Crowley, Graciela Santillán, Katherina Vizcaychipi, Marcos Seleiman, Luis Sepulveda, Marcos Arezo, Mariela García Cachau, Roberto Lamberti, Leonardo Molina, Lilia Gino, Meritxell Donadeu, Marshall W Lightowlers
No abstract text is available yet for this article.
February 3, 2017: Parasitology International
https://www.readbyqxmd.com/read/28166970/effects-of-intrauterine-growth-restriction-during-late-pregnancy-on-the-cell-apoptosis-and-related-gene-expression-in-ovine-fetal-liver
#14
Yingchun Liu, Chi Ma, Hui Li, Lingyao Li, Feng Gao, Changjin Ao
This study investigated the effect of intrauterine growth restriction (IUGR) during late pregnancy on the cell apoptosis and related gene expression in ovine fetal liver. Eighteen time-mated Mongolian ewes with singleton fetuses were allocated to three groups at d 90 of pregnancy: Restricted Group 1 (RG1, 0.18 MJ ME kg BW(-0.75) d(-1), n = 6), Restricted Group 2 (RG2, 0.33 MJ ME kg BW(-0.75) d(-1), n = 6) and a Control Group (CG, ad libitum, 0.67 MJ ME kg BW (-0.75) d (-1), n = 6). Fetuses were recovered at slaughter on d 140...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28163179/biomimetic-heparan-sulfate-like-coated-e-ptfe-grafts-reduce-in-graft-neointimal-hyperplasia-in-ovine-carotids
#15
Birgit Wulff, Stefan Stahlhoff, Reinhard Vonthein, Andreas Schmidt, Matthias Sigler, Giovanni B Torsello, Monika Herten
BACKGROUND: Thrombogenicity and neointimal hyperplasia are major causes for synthetic vascular graft failure. Bioactive coatings like heparin have improved patency by reducing thrombogenicity, but neointimal hyperplasia still remains an unsolved problem. Surface coatings with heparan sulfate (HS), the major component of the glycocalix of endothelial cells, have shown reduced platelet and cell adhesion in vitro. The aim of the study was to evaluate the in vivo surface properties of expanded ePTFE vascular grafts with a semisynthetic HS-like coating (SSHS)...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28161962/zooanthroponotic-transmission-of-rotavirus-in-haryana-state-of-northern-india
#16
P Choudhary, P Minakshi, K Ranjan, B Basanti
Rotaviruses are the major cause of severe gastroenteritis and mortality in young children and animals. Due to segmented nature of dsRNA genome and wide host range, vast genetic and antigenic diversity exists amongst different isolates of rotaviruses. A total of 230 fecal ovine and caprine samples collected from organized farms and villages in Haryana were screened for rotavirus detection. Samples were screened by latex agglutination test and RNA-PAGE followed by RT-PCR and nucleic acid sequencing. The latex agglutination test showed 25 newborn lamb and 4 kid fecal samples positive for rotavirus...
February 6, 2017: Acta Virologica
https://www.readbyqxmd.com/read/28156207/is-lumbar-facet-fusion-biomechanically-equivalent-to-lumbar-posterolateral-onlay-fusion
#17
Jeffrey M Toth, Kevin T Foley, Mei Wang, Howard B Seim, A Simon Turner
OBJECTIVE This study was designed with the following research objectives: 1) to determine the efficacy of facet fusion with recombinant human bone morphogenetic protein-2 (rhBMP-2) on an absorbable collagen sponge (ACS) in an ovine lumbar facet fusion model; 2) to radiographically and histologically compare the efficacy of lumbar facet fusion with rhBMP-2/ACS to facet fusion with an iliac crest bone graft (ICBG); and 3) to biomechanically compare lumbar facet fusion with rhBMP-2/ACS to lumbar posterolateral fusion (PLF) with ICBG...
February 3, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28154111/molecular-evidence-that-follicle-development-is-accelerated-in-vitro-compared-to-in-vivo
#18
Véronique Cadoret, Cynthia Frapsauce, Peggy Jarrier, Virginie Maillard, Agnès Bonnet, Yann Locatelli, Dominique Royère, Danielle Monniaux, Fabrice Guérif, Philippe Monget
In this study we systematically compared the morphological, functional and molecular characteristics of granulosa cells and oocytes obtained by a three-dimensional in vitro model of ovine ovarian follicular growth with those of follicles recovered in vivo Preantral follicles of 200 µm diameter were recovered and cultured up to 950 µm over a 20-day period. Compared with in vivo follicles, the in vitro culture conditions maintained follicle survival, with no difference in the rate of atresia. However, the in vitro conditions induced a slight decrease in oocyte growth rate, delayed antrum formation and increased granulosa cell proliferation rate, accompanied by an increase and decrease in CCND2 and CDKN1A mRNA expression, respectively...
February 2, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28150868/identification-of-second-arginine-glycine-aspartic-acid-motif-of-ovine-vitronectin-as-the-complement-c9-binding-site-and-its-implication-in-bacterial-infection
#19
Prasada Rao T, Lakshmi Prasanth T, Parvathy R, Murugavel S, Karuna Devi, Paritosh Joshi
Vitronectin (Vn), a multifunctional protein of blood and extracellular matrix interacts with complement C9. This interaction may modulate innate immunity. Details of Vn-C9 interaction are limited. An assessment of Vn-C9 interaction was made employing goat homologous system. Vn binding to C9 was observed in three different assays. Using recombinant fragments, the C9 binding was mapped to the N-terminus of Vn. Site directed mutagenesis was performed to alter the second RGD sequence (RGD-2) of Vn. Change of R to G or D to A in RGD-2 caused significant decrease in Vn binding to C9 whereas change of R to G in the first RGD motif (RGD-1) had no effect on Vn binding to C9...
February 2, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28148673/augmenting-the-osseointegration-of-endoprostheses-using-laser-sintered-porous-collars-an-in-vivo-study
#20
COMPARATIVE STUDY
A Mumith, M Coathup, M Chimutengwende-Gordon, W Aston, T Briggs, G Blunn
AIMS: Massive endoprostheses rely on extra-cortical bone bridging (ECBB) to enhance fixation. The aim of this study was to investigate the role of selective laser sintered (SLS) porous collars in augmenting the osseointegration of these prostheses. MATERIALS AND METHODS: The two novel designs of porous SLS collars, one with small pores (Ø700 μm, SP) and one with large pores (Ø1500 μm, LP), were compared in an ovine tibial diaphyseal model. Osseointegration of these collars was compared with that of a clinically used solid, grooved design (G)...
February 2017: Bone & Joint Journal
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