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Veterinary Research Communications

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https://www.readbyqxmd.com/read/27896671/a-comparison-of-the-brainstem-auditory-evoked-response-in-healthy-ears-of-unilaterally-deaf-dogs-and-bilaterally-hearing-dogs
#1
M Plonek, J Nicpoń, K Kubiak, M Wrzosek
AIMS: Auditory plasticity in response to unilateral deafness has been reported in various animal species. Subcortical changes occurring in unilaterally deaf young dogs using the brainstem auditory evoked response have not been evaluated yet. The aim of this study was to assess the brainstem auditory evoked response findings in dogs with unilateral hearing loss, and compare them with recordings obtained from healthy dogs. METHODS: Brainstem auditory evoked responses (amplitudes and latencies of waves I, II, III, V, the V/I wave amplitude ratio, wave I-V, I-III and III-V interpeak intervals) were studied retrospectively in forty-six privately owned dogs, which were either unilaterally deaf or had bilateral hearing...
November 29, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27896670/the-activation-of-the-ifn%C3%AE-induction-signaling-pathway-in-porcine-alveolar-macrophages-by-porcine-reproductive-and-respiratory-syndrome-virus-is-variable
#2
Christopher C Overend, Junru Cui, Marvin J Grubman, Antonio E Garmendia
BACKGROUND: It has been recognized that the expression of type I interferon (IFNα/β) may be suppressed during infection with porcine reproductive, respiratory syndrome virus (PRRSV). This causes profound negative effects on both the innate and adaptive immunity of the host resulting in persistence of infection. OBJECTIVE: Test the effects of PRRSV infection of porcine alveolar macrophages (PAMs), the main target cell, on the expression of interferon beta (IFNβ) and downstream signaling events...
November 28, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27891565/expression-and-biochemical-characteristics-of-two-different-aldosterone-receptors-in-both-healthy-and-dilated-cardiomyopathy-dog-heart-tissue
#3
Alejandro R Reynoso Palomar, Moncerrat Rodriguez Bravo, Abel E Villa Mancera, Carlos J Mucha
Recently, replicates of the aldosterone receptor expression have been done in healthy heart dog tissues through immunohistochemistry, showing an apparent heterogeneous distribution in the four chambers. Recent studies have also identified immediate effects of aldosterone, suggesting aldosterone also produces non-genomic effects caused by an unidentified receptor. In order to study the molecular and quantitative expression characteristics of aldosterone binding receptors in the canine heart, we conducted studies, using Western Blot, in the heart from both healthy animals and animals with dilated cardiomyopathy...
November 28, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27864728/variation-in-pestivirus-growth-in-testicle-primary-cell-culture-is-more-dependent-on-the-individual-cell-donor-than-cattle-breed
#4
Matheus N Weber, Fernando V Bauermann, Ninnet Gómez-Romero, Andy D Herring, Cláudio W Canal, John D Neill, Julia F Ridpath
The causes of bovine respiratory disease complex (BRDC) are multifactorial and include infection with both viral and bacterial pathogens. Host factors are also involved as different breeds of cattle appear to have different susceptibilities to BRDC. Infection with bovine pestiviruses, including bovine viral diarrhea virus 1 (BVDV1), BVDV2 and 'HoBi'-like viruses, is linked to the development of BRDC. The aim of the present study was to compare the growth of different bovine pestiviruses in primary testicle cell cultures obtained from taurine, indicine and mixed taurine and indicine cattle breeds...
November 18, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27744530/expression-of-hif-1%C3%AE-odd-domain-fused-canine-caspase-3-by-egfr-promoter-driven-adenovirus-vector-induces-cytotoxicity-in-canine-breast-tumor-cells-under-hypoxia
#5
Mariko Okamoto, Ai Asamura, Ko Tanaka, Takefumi Soeda, Kyo Watanabe, Hiroyuki Mizuguchi, Teruo Ikeda
Adenovirus (Ad) vectors are widely used in cancer gene therapies. However, compared to human patients, relatively limited information is available on gene transduction efficiency or cell-specific cytotoxicity in canine tumor cells transduced with Ad vectors. Since epidermal growth factor receptor (EGFR) is highly expressed on canine breast tumor cells, we sought to develop an Ad vector based on the RGD fiber-mutant adenovirus vector (AdRGD) that expresses canine caspase 3 under the control of EGFR promoter...
October 16, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27618827/organic-and-mechanical-properties-of-cervidae-antlers-a-review
#6
P P Picavet, M Balligand
There is a resurgence of interest in the study of deer antlers. Recent research advocates their potential for use in bone xenografts. Using this working hypothesis, we can formulate many questions: do antlers really present unique or interesting mechanical properties, and if so, which factors affect these properties? Many other issues, including tissue compatibility, could be discussed; however, this article will focus on the biomechanical features of antlers. This paper reviews some answers found within current published material, and could help determine the optimal selection of some antlers for further experimental studies and clinical trials...
September 12, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27562511/taurine-ameliorated-thyroid-function-in-rats-co-administered-with-chlorpyrifos-and-lead
#7
Motunrayo Ganiyat Akande, Muftau Shittu, Chidiebere Uchendu, Lukuman Surakat Yaqub
Chlorpyrifos is a widely used organophosphate insecticide for domestic, agricultural and industrial purposes. Lead is a toxic heavy metal and it is used for domestic and industrial purposes. Taurine is a semi essential amino acid with bioprotective properties. The aim of this study was to investigate the effects of taurine on thyroid function in Wistar rats co-administered with chlorpyrifos and lead. The rats were divided into 5 groups of 10 rats each. The first two groups were administered with distilled water and soya oil (1 ml/kg) respectively...
August 25, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27448610/scc-mec-typing-and-antimicrobial-resistance-of-methicillin-resistant-staphylococcus-aureus-mrsa-from-pigs-of-northeast-india
#8
S Rajkhowa, D K Sarma, S R Pegu
Staphylococcus aureus is one of the most important pathogens of both humans and animal. Methicillin-resistant Staphylococcus aureus (MRSA) is an important human pathogen that causes serious infections both in hospitals and communities due to its multidrug resistance tendency. This study was undertaken to characterize the MRSA isolates from pigs and to determine the antimicrobial resistance of these isolates. Forty nine MRSA strains (one strain per positive pig) isolated from pigs of Northeast India were characterized by SCCmec typing and antimicrobial resistance...
July 23, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27388168/erratum-to-safety-and-efficacy-of-an-e2-glycoprotein-subunit-vaccine-produced-in-mammalian-cells-to-prevent-experimental-infection-with-bovine-viral-diarrhoea-virus-in-cattle
#9
Andrea Pecora, María Sol Pérez Aguirreburualde, Agustín Ostachuk, Alejandra Aguirreburualde, Maria Rosa Leunda, Anselmo Odeon, Sebastián Chiavenna, Diego Bochoeyer, Marcelo Spitteler, Jorge L Filippi, Maria J Dus Santos, Susana M Levy, Andrés Wigdorovitz
No abstract text is available yet for this article.
July 7, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27344152/immunological-and-pathological-investigations-in-equine-experimental-uveitis
#10
Galina P Simeonova, Svetozar Z Krastev, Radostin S Simeonov
BACKGROUND: The pathogenic mechanism of equine recurrent uveitis (ERU) is still poorly defined and many variations between experimental animal models and spontaneous disease exist. OBJECTIVES: The aim of our study was to investigate if Th17 cell-mediated response plays role in the pathogenesis of the used experimental model in horses and to reveal its pathological findings. METHODS: Experimental uveitis was induced in 6 healthy horses. The concentrations of retinal autoantigen CRALBP and IL-17 were measured using ELISA in aqueous humor and vitreous body of the 12 inflamed eyes as well as in 12 control non-inflamed eyes taken from 6 horses in slaughter house...
June 25, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27255108/genotypic-and-phenotypic-detection-of-capsular-polysaccharide-and-biofilm-formation-in-staphylococcus-aureus-isolated-from-bovine-milk-collected-from-brazilian-dairy-farms
#11
Alessandra P S Salimena, Carla C Lange, Cecilia Camussone, Marcelo Signorini, Luis F Calvinho, Maria A V P Brito, Cristiano A V Borges, Alessandro S Guimarães, João B Ribeiro, Letícia C Mendonça, Roberta H Piccoli
Staphylococcus aureus is a pathogen that frequently causes mastitis in bovine herds worldwide. This pathogen produces several virulence factors, including cell-associated adhesins, toxic and cytolytic exoproteins, and capsular polysaccharides. The aim of the present study was to test for the presence of genes involved in capsular polysaccharide production and biofilm formation in S. aureus isolated from bovine mastitis samples collected from 119 dairy herds located in three different Brazilian regions, as well as to assay the production of capsular polysaccharides and biofilm, in vitro...
June 2, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27142053/dynamics-of-mycoplasma-hyopneumoniae-seroconversion-and-infection-in-pigs-in-the-three-main-production-systems
#12
Enrico Giacomini, Nicola Ferrari, Alessandra Pitozzi, Michela Remistani, Daniele Giardiello, Dominiek Maes, Giovanni Loris Alborali
In this study, we investigated the dynamics of Mycoplasma hyopneumoniae infections in 66 pig farms, with different production systems (one-, two-, and three-site systems), and considered different risk factors. Serological assay was used to detect serum antibodies against M. hyopneumoniae and real time polymerase chain reaction (RT-PCR) was performed to detect M. hyopneumoniae DNA in tracheobronchial swabs. Results demonstrated that M. hyopneumoniae infection status was predominantly influenced by the age of the animals and the type of production system...
June 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27094043/immunoprotection-of-recombinant-eg-p29-against-echinococcus-granulosus-in-sheep
#13
Hao Wang, Zihua Li, Fu Gao, Jiaqing Zhao, Mingxing Zhu, Xin He, Nan Niu, Wei Zhao
OBJECTIVE: This study aims to investigate the immunoprotection of recombinant Eg.P29 (rEg.P29) vaccine and analyze the underlying mechanism in sheep. METHODS: Three groups of male sheep were immunized subcutaneously with rEg.P29 and PBS, Freund's complete adjuvant as controls, respectively. After prime-boost vaccination, the sheep were challenged with encapsulated Echinococcus granulosus eggs. The percentage of protection in sheep was determined 36 weeks after the infection...
June 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27000110/cannabinoid-glutamate-interactions-in-the-regulation-of-food-intake-in-neonatal-layer-type-chicks-role-of-glutamate-nmda-and-ampa-receptors
#14
Negar Keyshams, Morteza Zendehdel, Vahab Babapour, Ali Baghbanzadeh
The involvement of the endocannabinoid system in the brain functions is likely the conclusion of its capability to interact with specific neurotransmitters in several brain regions. The present study was designed to examine the role of the glutamatergic system on cannabinoid-induced hyperphagia in chicken. In this survey 10 experiments designed to investigate interaction of cannabinoidergic and glutamatergic systems on feeding behavior in neonatal chickens. In experiment 1, chicken were intracerebroventricular (ICV) injected with saline, 2-AG (2-Arachidonoylglycerol, 5...
June 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/26996785/distribution-pattern-of-bovine-viral-diarrhoea-virus-type-1-genome-in-lymphoid-tissues-of-experimentally-infected-sheep
#15
M Karikalan, K Rajukumar, N Mishra, M Kumar, S Kalaiyarasu, K Rajesh, V Gavade, S P Behera, S C Dubey
In this study, cellular localization and the distribution pattern of BVDV genome in lymphoid tissues during the course of experimental acute BVDV-1 infection of sheep was investigated. Tonsils, mesenteric lymph nodes (MLN) and spleen were collected on 3, 6, 9, 12 and 15 days post infection (dpi) from twenty 4-month-old lambs, experimentally inoculated intra-nasally with 5 × 10(5) TCID50 of a non-cytopathic (ncp) BVDV-1 isolate, Ind-17555. Tissues collected from ten mock-infected lambs served as controls...
June 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/26971271/detection-of-novel-polymorphisms-in-the-ckit-gene-of-canine-patients-with-lymphoma-melanoma-haemangiosarcoma-and-osteosarcoma
#16
Irina Gramer, Martin Kessler, Joachim Geyer
Tyrosine kinase inhibitors (TKIs) that specifically target cKIT represent a therapeutic approach for non-resectable canine mast cell tumours (MCTs) grade II/III. The therapeutic benefit of TKIs has been investigated in other tumours based on clinical response rates and identification of gain-of-function mutations. In the present study, cKIT expression in 14 dogs with osteosarcoma, melanoma, haemangiosarcoma, lymphoma, and fibrosarcoma was analysed. Tissue samples were used for cKIT sequencing to (I) detect the cKIT transcript and to (II) identify gain-of-function mutations...
June 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/26757735/tenogenic-induction-of-equine-mesenchymal-stem-cells-by-means-of-growth-factors-and-low-level-laser-technology
#17
Chiara Gomiero, Giulia Bertolutti, Tiziana Martinello, Nathalie Van Bruaene, Sarah Y Broeckx, Marco Patruno, Jan H Spaas
Tendons regenerate poorly due to a dense extracellular matrix and low cellularity. Cellular therapies aim to improve tendon repair using mesenchymal stem cells and tenocytes; however, a current limitation is the low proliferative potential of tenocytes in cases of severe trauma. The purpose of this study was to develop a method useful in veterinary medicine to improve the differentiation of Peripheral Blood equine mesenchymal stem cells (PB-MSCs) into tenocytes. PB-MSCs were used to study the effects of the addition of some growth factors (GFs) as TGFβ3 (transforming growth factor), EGF2 (Epidermal growth factor), bFGF2 (Fibroblast growth factor) and IGF-1 (insulin-like growth factor) in presence or without Low Level Laser Technology (LLLT) on the mRNA expression levels of genes important in the tenogenic induction as Early Growth Response Protein-1 (EGR1), Tenascin (TNC) and Decorin (DCN)...
March 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/26743397/clinical-evaluation-of-an-antiinflammatory-and-antioxidant-diet-effect-in-30-dogs-affected-by-chronic-otitis-externa-preliminary-results
#18
RANDOMIZED CONTROLLED TRIAL
Alessandro Di Cerbo, Sara Centenaro, Francesca Beribè, Fulvio Laus, Matteo Cerquetella, Andrea Spaterna, Gianandrea Guidetti, Sergio Canello, Giuseppe Terrazzano
The aim of this evaluation study was to assess the possible role of a specific nutraceutical diet in relieving main clinical symptoms of chronic bilateral otitis externa (occlusion of ear canal, erythema, discharge quantity, and odor) in 30 adult dogs. Thirty dogs of different breeds (mean age ± SEM; 6.03 ± 0.15 years and mean weight ± SEM; 32.01 ± 1.17 Kg; 53.3% males, 46.6% females) with evident chronic clinical otitis symptoms were equally divided and randomly assigned to receive either the nutraceutical diet (ND group) or a standard diet (SD group) over a period of 90 days...
March 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/26728033/fgf-21-promising-biomarker-for-detecting-ketosis-in-dairy-cows
#19
Chuang Xu, Qiushi Xu, Yuanyuan Chen, Wei Yang, Cheng Xia, Hongjiang Yu, Kuilin Zhu, Taiyu Shen, Ziyang Zhang
The objective of this study was to investigate the measurement of serum fibroblast growth factor-21 (FGF-21), a protein mainly synthesized by the liver, as a sensitive biomarker for diagnosis of ketosis in dairy cows. Ninety Holstein-Friesian dairy cows (60 healthy and 30 ketosis cases) were selected and divided into a Ketosis group (K), and a Control group (C). We measured serum FGF-21 and other biochemical parameters by commercial ELISA kits. In a combined population of all 90 cows, we found that serum FGF-21 level was lower (P < 0...
March 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/26689920/canine-fetal-echocardiography-correlations-for-the-analysis-of-cardiac-dimensions
#20
Amália Turner Giannico, Elaine Mayumi Ueno Gil, Daniela Aparecida Ayres Garcia, Marlos Gonçalves Sousa, Tilde Rodrigues Froes
The aim of this study was to develop regression models for correlation of canine fetal heart development with body size to characterize normal development or suggest cardiac anomalies. Twenty clinically healthy pregnant bitches, either brachycephalic and non-brachycephalic, were examined ultrasonographically. Transabdominal fetal echocardiography was conducted every 4 days from the beginning of cardiac chambers differentiation until parturition. Ten cardiac parameters were measured: length, width and diameter of the heart; heart area; left and right ventricular dimensions; left and right atrial dimensions; and aortic and pulmonary artery diameter...
March 2016: Veterinary Research Communications
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