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https://www.readbyqxmd.com/read/28822691/fatal-meningitis-in-swine-after-intrathecal-administration-of-adeno-associated-virus-expressing-syngeneic-interleukin-10
#1
Mark D Unger, Josef Pleticha, James E Collins, Anibal G Armien, Jennifer L Brazzell, Laura K Newman, Lukas F Heilmann, Jodi A Scholz, Timothy P Maus, Andreas S Beutler
Interleukin-10 (IL-10) delivered by intrathecal (i.t.) gene vectors is a candidate investigational new drug (IND) for several chronic neurological disorders such as neuropathic pain. We performed a preclinical safety study of IL-10. A syngeneic large animal model was used delivering porcine IL-10 (pIL-10) to the i.t. space in swine by adeno-associated virus serotype 8 (AAV8), a gene vector that was previously found to be nontoxic in the i.t. space. Unexpectedly, animals became ill, developing ataxia, seizures, and an inability to feed and drink, and required euthanasia...
August 1, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28822347/screening-and-confirmation-of-steroids-and-nitroimidazoles-in-urine-blood-and-food-matrices-sample-preparation-methods-and-liquid-chromatography-tandem-mass-spectrometric-separations
#2
Ádám Tölgyesi, Enikő Barta, Andrea Simon, Thomas J McDonald, Virender K Sharma
Veterinary drugs containing synthetic anabolic steroid and nitroimidazole active agents are not allowed for their applications in livestock of the European Union (EU). This paper presents analyses of twelve selected steroids and six nitroimidazole antibiotics at low levels (1.56μg/L-4.95μg/L and 0.17μg/kg-2.14μg/kg, respectively) in body fluids and egg incurred samples. Analyses involved clean-up procedures, high performance liquid chromatography (HPLC) separation, and tandem mass spectrometric screening and confirmatory methods...
August 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28821700/comparison-of-veterinary-drugs-and-veterinary-homeopathy-part-2
#3
P Lees, L Pelligand, M Whiting, D Chambers, P-L Toutain, M L Whitehead
Part 2 of this narrative review outlines the theoretical and practical bases for assessing the efficacy and effectiveness of conventional medicines and homeopathic products. Known and postulated mechanisms of action are critically reviewed. The evidence for clinical efficacy of products in both categories, in the form of practitioner experience, meta-analysis and systematic reviews of clinical trial results, is discussed. The review also addresses problems and pitfalls in assessing data, and the ethical and negative aspects of pharmacology and homeopathy in veterinary medicine...
August 19, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28815733/comparison-of-the-pharmacokinetic-profiles-of-two-different-amphotericin-b-formulations-in-healthy-dogs
#4
B Bingöl, T Bakirel
This study was conducted to compare the pharmacokinetic profiles of conventional (Fungizone(®) ) and liposomal amphotericin B (AmBisome(®) ) formulations in order to predict their therapeutic properties, and evaluate their potential differences in veterinary treatment. For this purpose, twelve healthy mixed breed dogs received both drugs at a dose of 0.6 mg/kg by intravenous infusion over a 4-min period in a total volume of 40 ml. Blood samples were collected at 0, 0.5, 1, 1.5, 2, 3, 4, 8, 12, 24, 48, 72 and 96 hr after dosing, and concentrations of drug in plasma were determined by high-performance liquid chromatography (HPLC)...
August 16, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28811956/spectrophotometric-methods-for-simultaneous-determination-of-oxytetracycline-hcl-and-flunixin-meglumine-in-their-veterinary-pharmaceutical-formulation
#5
Hanan A Merey, Mahmmoud S Abd-Elmonem, Hagar N Nazlawy, Hala E Zaazaa
Four precise, accurate, selective, and sensitive UV-spectrophotometric methods were developed and validated for the simultaneous determination of a binary mixture of Oxytetracycline HCl (OXY) and Flunixin Meglumine (FLU). The first method, dual wavelength (DW), depends on measuring the difference in absorbance (ΔA 273.4-327 nm) for the determination of OXY where FLU is zero while FLU is determined at ΔA 251.7-275.7 nm. The second method, first-derivative spectrophotometric method (1D), depends on measuring the peak amplitude of the first derivative selectively at 377 and 266...
2017: Journal of Analytical Methods in Chemistry
https://www.readbyqxmd.com/read/28810132/short-communication-alteration-in-blood-parameters-by-enrofloxacin-in-juvenile-lesser-spotted-dogfish-scyliorhinus-canicula-linnaeus-1758-after-intramuscular-injection
#6
Annalisa Zaccaroni, Marcos Perez-Lopez, Irene de la Casa Resino, Gianfranco Medri, Fabrizio Ceneri, Simone Bertini, Oliviero Mordenti, Luana Cortinovis, Rubina Sirri, Luciana Mandrioli
Enrofloxacin (EF) is a veterinary drug for respiratory, gastrointestinal and urinary tract infections. Parenteral administration at doses higher than the manufacturer recommended dosage has induced cartilage lesions in juvenile mammals and poultry. In elasmobranchs EF is commonly used for the treatment of infectious diseases, however only one study has been performed previously to evaluate pharmacokinetics and the potential chondrotoxicity of a fluoroquinolone in adult skates. In present study juvenile lesser spotted dogfish (Scyliorhinus canicula, Linnaeus, 1758) were treated with low (LD, 5mg/kg) and high dose (HD, 10mg/kg) of EF daily via intramuscular injection for 15 consecutive days, as indicated in a recognized treatment...
August 10, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28809436/anatomical-description-of-the-main-vessels-for-venipuncture-in-the-black-striped-capuchin-monkey-sapajus-libidinosus-silva-junior-2002
#7
Ana Y F La Salles, Jefferson F Cordeiro, José R S Santos, Artur N Carreiro, Gildenor X Medeiros, Danilo J A Menezes
BACKGROUND: The scarcity of data on the anatomy of Sapajus libidinosus has impeded the execution for appropriate veterinary treatment. The objective of this study was to describe the main peripheral veins of the capuchin monkey, used in venipuncture and indicate the best access route for venipuncture procedures. METHODS: Ten S. libidinosus corpses were used. The face, neck, chest, and pelvic limb were dissected using surgical instruments to identify and locate surface vessels...
August 15, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28805487/state-of-the-art-nanopathological-diagnostics
#8
Luca Roncati, Giuseppe Barbolini
The nanopathological diagnostics (ND) is an ultra-specialized branch of pathological anatomy aimed to identify the nanoparticles of metallic, semimetallic, or nonmetallic elements in the inorganic particulate matter present inside pathological tissues, even on the nanometer scale. ND exploits an environmental scanning electron microscope, connected to an X-ray microprobe mounted on an energy-dispersive spectrometer. The searching of nanoparticles can be performed on paraffin-embedded material, omitting emissions of black overlay and plating procedures...
August 14, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28804722/comment-on-application-of-pk-pd-modeling-in-veterinary-field-dose-optimization-and-drug-resistance-prediction
#9
COMMENT
Anna Benini, Guido Francesco Fumagalli
No abstract text is available yet for this article.
2017: BioMed Research International
https://www.readbyqxmd.com/read/28804709/exploring-animal-models-that-resemble-idiopathic-pulmonary-fibrosis
#10
REVIEW
Jun Tashiro, Gustavo A Rubio, Andrew H Limper, Kurt Williams, Sharon J Elliot, Ioanna Ninou, Vassilis Aidinis, Argyrios Tzouvelekis, Marilyn K Glassberg
Large multicenter clinical trials have led to two recently approved drugs for patients with idiopathic pulmonary fibrosis (IPF); yet, both of these therapies only slow disease progression and do not provide a definitive cure. Traditionally, preclinical trials have utilized mouse models of bleomycin (BLM)-induced pulmonary fibrosis-though several limitations prevent direct translation to human IPF. Spontaneous pulmonary fibrosis occurs in other animal species, including dogs, horses, donkeys, and cats. While the fibrotic lungs of these animals share many characteristics with lungs of patients with IPF, current veterinary classifications of fibrotic lung disease are not entirely equivalent...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28802138/inhibition-of-bioenergetic-metabolism-by-the-combination-of-metformin-and-2-deoxyglucose-highly-decreases-viability-of-feline-mammary-carcinoma-cells
#11
María Florencia Arbe, Chiara Fondello, Lucrecia Agnetti, Gabriel Martín Álvarez, Matías Nicolás Tellado, Gerardo Claudio Glikin, Liliana María Elena Finocchiaro, Marcela Solange Villaverde
Feline mammary carcinoma (FMC) is a highly aggressive pathology that has been proposed as an interesting model of breast cancer disease, especially for the hormone refractory subgroup. Recently, cancer cell metabolism has been described as a hallmark of cancer cells. Here, we investigate the effects and mechanism of metabolic modulation by metformin (MET, anti-diabetic drug), 2-deoxyglucose (2DG, hexokinase inhibitor) or a combination of both drugs, MET/2DG on two established FMC cells lines: AlRB (HER2 (3+) and Ki67<5%) and AlRATN (HER2 (-) and Ki67>15%)...
August 3, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28801498/comparison-of-veterinary-drugs-and-veterinary-homeopathy-part-1
#12
REVIEW
P Lees, L Pelligand, M Whiting, D Chambers, P-L Toutain, M L Whitehead
For many years after its invention around 1796, homeopathy was widely used in people and later in animals. Over the intervening period (1796-2016) pharmacology emerged as a science from Materia Medica (medicinal materials) to become the mainstay of veterinary therapeutics. There remains today a much smaller, but significant, use of homeopathy by veterinary surgeons. Homeopathic products are sometimes administered when conventional drug therapies have not succeeded, but are also used as alternatives to scientifically based therapies and licensed products...
August 12, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28799187/safety-evaluation-of-combination-carboplatin-and-toceranib-phosphate-palladia-in-tumour-bearing-dogs-a-phase-i-dose-finding-study
#13
R M Wouda, S E Hocker, M L Higginbotham
Combining conventional cytotoxic maximum tolerated dose (MTD) chemotherapy with low-dose metronomic and/or anti-angiogenic agents is a exciting area of oncologic research. The objective of this study was to establish the MTD, safety and adverse event (AE) profile of 1 such drug combination. This prospective phase I dose-finding clinical trial assumed an open-label 3 + 3 cohort design. Client-owned dogs with 1 or more cytologically and/or histologically confirmed and macroscopically measurable, naive or recurrent, malignant tumours, were enrolled...
August 10, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28797073/assessment-of-veterinary-drugs-in-plants-using-pharmacokinetic-approaches-the-absorption-distribution-and-elimination-of-tetracycline-and-sulfamethoxazole-in-ephemeral-vegetables
#14
Hui-Ru Chen, Tirawat Rairat, Shih-Hurng Loh, Yu-Chieh Wu, Thomas W Vickroy, Chi-Chung Chou
The present study was carried out to demonstrate novel use of pharmacokinetic approaches to characterize drug behaviors/movements in the vegetables with implications to food safety. The absorption, distribution, metabolism and most importantly, the elimination of tetracycline (TC) and sulfamethoxazole (SMX) in edible plants Brassica rapa chinensis and Ipomoea aquatica grown hydroponically were demonstrated and studied using non-compartmental pharmacokinetic analysis. The results revealed drug-dependent and vegetable-dependent pharmacokinetic differences and indicated that ephemeral vegetables could have high capacity accumulating antibiotics (up to 160 μg g-1 for TC and 38 μg g-1 for SMX) within hours...
2017: PloS One
https://www.readbyqxmd.com/read/28781040/advancements-in-evidence-based-analgesia-in-exotic-animals
#15
REVIEW
Julie A Balko, Sathya K Chinnadurai
The importance of appropriate recognition, assessment, and treatment of pain in all veterinary species, including exotic animals, cannot be overstated. Although the assessment of pain perception in nondomestic species is still in its infancy, this does not preclude appropriate analgesic management in these species. Although analgesic drug selection is often based on data extrapolated from similar species, as the pharmacokinetics and pharmacodynamics of many drugs can vary greatly between species, an evidence-based approach to analgesic therapy should be used whenever possible...
September 2017: Veterinary Clinics of North America. Exotic Animal Practice
https://www.readbyqxmd.com/read/28775313/disposition-and-residue-depletion-of-metronidazole-in-pigs-and-broilers
#16
Yuanhu Pan, Jiliang Yi, Bo Zhou, Shuyu Xie, Dongmei Chen, Yanfei Tao, Wei Qu, Zhenli Liu, Lingli Huang, Zonghui Yuan
Metronidazole (MNZ) is used in veterinary medicine for the treatment of anaerobic infections and a variety of protozoal and parasitic diseases. Current study has been conducted to examine the disposition and residue depletion studies of MNZ and its main metabolites in pigs and broilers. After a single oral administration of MNZ, the concentrations of MNZ and its main metabolites in the excreta of pigs and broilers were determined by LC-MS/MS. More than 75% of the drug was recovered within 14 days, of which MNZ accounted for about 40%, MNZ-OH 20-25% and MAA less than 10%...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28770337/overexpression-of-biologically-safe-rorippa-indica-defensin-enhances-aphid-tolerance-in-brassica-juncea
#17
Poulami Sarkar, Kuladip Jana, Samir Ranjan Sikdar
Transgenic mustard plants ( Brassica juncea ) expressing non-allergenic and biologically safe RiD peptide show higher tolerance against Lipaphis erysimi. Rorippa indica defensin (RiD) has previously been reported as a novel insecticidal protein derived from a wild crucifer Rorippa indica. RiD was found to have an effective insecticidal property against mustard aphid, Lipaphis erysimi. In the present study, RiD was highly upregulated in R. indica during aphid infestation initiating a defense system mediated by jasmonic acid (JA), but not by salicylic acid (SA)/abscisic acid (ABA)...
August 2, 2017: Planta
https://www.readbyqxmd.com/read/28768536/a-novel-composite-formulation-of-palmitoylethanolamide-and-quercetin-decreases-inflammation-and-relieves-pain-in-inflammatory-and-osteoarthritic-pain-models
#18
Domenico Britti, Rosalia Crupi, Daniela Impellizzeri, Enrico Gugliandolo, Roberta Fusco, Carlo Schievano, Valeria Maria Morittu, Maurizio Evangelista, Rosanna Di Paola, Salvatore Cuzzocrea
BACKGROUND: Osteoarthritis (OA) is a common progressive joint disease in dogs and cats. The goal of OA treatment is to reduce inflammation, minimize pain, and maintain joint function. Currently, non-steroidal anti-inflammatory drugs (e.g., meloxicam) are the cornerstone of treatment for OA pain, but side effects with long-term use pose important challenges to veterinary practitioners when dealing with OA pain. Palmitoylethanolamide (PEA) is a naturally-occurring fatty acid amide, locally produced on demand by tissues in response to stress...
August 2, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28768435/cycluridine-a-novel-antiviral-effective-against-flaviviruses
#19
REVIEW
Angel S Galabov, Lucia Mukova, Yuriy P Abashev, Lilia Wassilewa, Petko Tzvetkov, Vassil Minkov, Igor F Barinskiy, Charles M Rice, Sergey Ouzounov, Dorotea Sidzhakova
This review describes the contemporary state of research for antivirals effective against flaviviruses, especially focusing on inhibitors of the pestivirus causative agent of bovine viral diarrhoea virus. We highlight cycluridine, an originally synthesized Mannich's base [a tetrahydro-2(1H)-pyrimidinones derivative], as a highly effective antiviral possessing a strong inhibitory effect on bovine viral diarrhoea virus replication. Cycluridine was active against replication of a wide variety of bovine viral diarrhoea virus strains in cell cultures...
August 2017: Antiviral Chemistry & Chemotherapy
https://www.readbyqxmd.com/read/28763970/residual-detection-of-buparvaquone-nystatin-and-etomidate-in-animal-derived-food-products-in-a-single-chromatographic-run-using-liquid-chromatography-tandem-mass-spectrometry
#20
Dan Zhang, Jin-A Park, A M Abd El-Aty, Seong-Kwan Kim, Sang-Hyun Cho, Yanmei Wang, Jae-Han Shim, Ji Hoon Jeong, Sung Chul Shin, Jin-Suk Kim, Byung-Joon Chang, Ho-Chul Shin
A reliable and highly sensitive screening method based on liquid chromatography coupled withtriple-quadrupoleelectrospray tandemmass spectrometry (LC-MS/MS) analysis has been developed for the detection and quantification of three veterinary drugs, including buparvaquone, nystatin, and etomidate impurity B CRS. The tested drugs were extracted from samples of porcine muscle, pasteurized whole milk, and eggs using 10mM ammonium formate in acetonitrile followed by liquid-liquid purification with n-hexane. Chromatographic separation was achieved on a Phenomenex Luna C18 analytical column using 0...
December 15, 2017: Food Chemistry
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