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https://www.readbyqxmd.com/read/29141366/-in-vitro-early-detection-of-amyloid-plaques-in-alzheimer-s-disease-by-pittsburgh-compound-b-modified-magnetic-nanoparticles
#1
J Q Zeng, J Q Wu, M H Li, P J Wang
Objective: To construct magnetic nanoparticles targeting β-amyloid (Aβ) plaques, the pathological biomarker of Alzheimer's disease (AD) and to study their binding capability in vitro. Methods: Superparamagnetic nanoparticles Mn(0.6)Zn(0.4)Fe(2)O(4) (MZF) were coated with amphiphilic star-block copolymeric micelles and modified with Aβ-specific probe Pittsburgh compound B (PiB) to construct a novel magnetic nanoparticle MZF-PiB, which specifically targeted amyloid plaques. Transmission electron microscope was used to study the morphological features of MZF-PiB...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29140868/dog-ear-regression-in-function-of-skin-elasticity
#2
Andreas M Skaria
No abstract text is available yet for this article.
November 14, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29140389/influence-of-rhbmp-2-on-guided-bone-regeneration-for-placement-and-functional-loading-of-dental-implants-a-radiographic-and-histologic-study-in-dogs
#3
Heithem Ben Amara, Jung-Won Lee, Jung-Ju Kim, Yun-Mi Kang, Eun-Jung Kang, Ki-Tae Koo
PURPOSE: Evidence on the outcomes of functional loading placed in recombinant human bone morphogenetic protein 2 (rhBMP-2)/acellular collagen sponge (ACS)-induced bone is lacking. The aim of this study was to verify whether guided bone regeneration (GBR) with rhBMP-2/ACS enhances regeneration of missing bone and osseointegration of dental implants subject to functional loading. MATERIALS AND METHODS: Two bilateral standardized large saddle-type defects (≈10 × 10 × 6 mm) were surgically created in each mandible of seven beagle dogs 2 months after tooth extraction...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29139561/the-novel-potent-and-highly-selective-5-ht4-receptor-agonist-yh12852-significantly-improves-both-upper-and-lower-gastrointestinal-motility
#4
Eun Jeong Jeong, Soo Yong Chung, Han Na Hong, Se-Woong Oh, Jae Young Sim
BACKGROUND AND PURPOSE: 5-HT4 receptor agonists have been shown to be effective to treat various gastrointestinal tract disorders. However, a lack of selectivity against off-targets has been a limiting factor. EXPERIMENTAL APPROACH: The binding affinity and selectivity of YH12852 for human 5-HT4(a) receptor in CHO-K1 cells were evaluated using radioligand binding assays, and agonistic activity was assessed using a beta-lactamase reporter system. Contractile activity and propulsive motility were measured in isolated guinea pig distal colon...
November 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29139142/safety-of-orally-administered-usp-compliant-levothyroxine-sodium-tablets-in-dogs
#5
J E Hare, C M K Morrow, J Caldwell, W E Lloyd
The safety of synthetic levothyroxine sodium tablets (Thyro-Tabs® Canine; LLOYD, Inc.) in dogs was evaluated in a randomized, sham-dose controlled, parallel-group study. Young, healthy, euthyroid Beagle dogs were randomized into four groups (four females and four males per group) and received single daily doses of 0×, 2× (0.044 mg/kg), 6× (0.132 mg/kg), or 10× (0.22 mg/kg) the labeled starting dose of 0.022 mg kg(-1)  day(-1) for 182 days. Every 2 weeks, physical examinations, electrocardiology examinations, and sample collections for thyroid panel, hematology, serum biochemistry, coagulation panel, and urinalysis were performed...
November 15, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29139068/minor-corral-changes-and-adoption-of-good-handling-practices-can-improve-the-behavior-and-reduce-cortisol-release-in-nellore-cows
#6
Maria Lúcia Pereira Lima, João Alberto Negrão, Claudia Cristina Paro de Paz, Temple Grandin
Inadequate corral facilities and improper handling are major causes of stress in beef cattle. The purpose of this study was to evaluate the effects of minor changes in the corral and adoption of good handling practices on the behavior, cortisol release, and time spent taking blood samples in Nellore cows. Minor corral changes included obstructing the cow's vision when the handler walked deep into the animal's flight zone and the elimination of bright objects, color contrasts, puddles, shadows, and darkness in the corral...
November 14, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29139031/in-vivo-analysis-of-the-anti-atrial-fibrillatory-proarrhythmic-and-cardiodepressive-profiles-of-dronedarone-as-a-guide-for-safety-pharmacological-evaluation-of-antiarrhythmic-drugs
#7
Yoshiyuki Motokawa, Yuji Nakamura, Mihoko Hagiwara-Nagasawa, Ai Goto, Koki Chiba, Nur Jaharat Lubna, Hiroko Izumi-Nakaseko, Kentaro Ando, Atsuhiko T Naito, Hiroshi Yamazaki, Atsushi Sugiyama
Anti-atrial fibrillatory, proarrhythmic and cardiodepressive profiles of dronedarone were analyzed using the halothane-anesthetized beagle dogs (n = 4) to create a standard protocol for clarifying both efficacy and adverse effects of anti-atrial fibrillatory drugs. Intravenous administration of dronedarone hydrochloride in doses of 0.3 and 3 mg/kg over 30 s attained the peak plasma concentrations of 61 and 1248 ng/mL, respectively, reflecting sub- to supra-therapeutic ones. The low dose decreased the left ventricular contraction and mean blood pressure, which were enhanced at the high dose...
November 14, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/29139018/vaccination-against-hydatidosis-molecular-cloning-and-optimal-expression-of-the-eg95nc-recombinant-antigen-in-escherichia-coli
#8
M Jazouli, M Lightowlers, C G Gauci, K Tadlaoui, A Belmlih, M M Ennaji, M Elharrak
Cystic echinococcosis (CE) is a widely distributed zoonosis that is highly endemic in the Mediterranean basin. The disease represents a serious public health threat and causes economic losses. The parasite life-cycle involves dogs and ruminants as definitive and intermediate hosts; humans are accidently infected, causing serious clinical issues. Vaccination of ruminants and dog treatments represent the most efficient measures to prevent parasite transmission. The recombinant protein vaccine, EG95, has been used successfully in sheep vaccine trials against CE in several countries...
November 14, 2017: Protein Journal
https://www.readbyqxmd.com/read/29138746/a-novel-encephalopathy-in-a-thiamine-deficient-dog-resembling-human-wernicke-s-disease-with-atypical-mri-pattern
#9
Floriana Gernone, Mario Ricciardi
Thiamine is a water-soluble vitamin, which participates in several vital metabolic pathways involved in energy metabolism and neurotransmitter synthesis of mammals. In companion animals thiamine deficiency is classically associated with signs of diffuse encephalopathy and lesions on brainstem nuclei and mesencephalic colliculi evident on magnetic resonance imaging. This paper describes a novel clinical presentation in a thiamine-deficient dog showing multifocal, central and peripheral nervous and cardiovascular system alterations...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/29138745/spontaneous-nervous-system-concussion-in-dogs-a-description-of-two-cases-and-a-review-of-terminology-in-veterinary-medicine
#10
Angelo Pasquale Giannuzzi, Antonio De Simone, Mario Ricciardi
In human medicine, central nervous system (CNS) concussion is defined as a transient neurological dysfunction following a traumatic event, without evidence of structural abnormalities of the affected region on advanced diagnostic imaging. Depending on the anatomical region involved, three forms of concussive syndromes are described: brain concussion, spinal concussion and cerebellar concussion. Although major textbooks of veterinary neurology admit the existence of canine brain concussion, spontaneous cases of this pathological condition have not been reported in small animals so far...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/29138393/dogs-and-humans-respond-to-emotionally-competent-stimuli-by-producing-different-facial-actions
#11
Caeiro Cátia, Guo Kun, Mills Daniel
The commonality of facial expressions of emotion has been studied in different species since Darwin, with most of the research focusing on closely related primate species. However, it is unclear to what extent there exists common facial expression in species more phylogenetically distant, but sharing a need for common interspecific emotional understanding. Here we used the objective, anatomically-based tools, FACS and DogFACS (Facial Action Coding Systems), to quantify and compare human and domestic dog facial expressions in response to emotionally-competent stimuli associated with different categories of emotional arousal...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29137652/characterization-of-streptococcus-pneumoniae-isolates-from-austrian-companion-animals-and-horses
#12
Maximilian Ginders, Michael Leschnik, Frank Künzel, Doris Kampner, Claudia Mikula, Georg Steindl, Inga Eichhorn, Andrea T Feßler, Stefan Schwarz, Joachim Spergser, Igor Loncaric
BACKGROUND: The aim of the present study was to investigate the genetic relatedness and the antimicrobial resistance profiles of a collection of Austrian Streptococcus pneumoniae isolates from companion animals and horses. A total of 12 non-repetitive isolates presumptively identified as S. pneumoniae were obtained during routinely diagnostic activities between March 2009 and January 2017. RESULTS: Isolates were confirmed as S. pneumoniae by bile solubility and optochin susceptibility testing, matrix-assisted laser desorption-ionization-time of flight (MALDI-TOF) mass spectrometry and sequence analysis of a part recA and the 16S rRNA genes...
November 14, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29137491/characterization-of-biochemical-traits-of-dog-rose-rosa-canina-l-ecotypes-in-the-central-part-of-iran
#13
Milad Javanmard, Hossein Ali Asadi-Gharneh, Pejman Nikneshan
Dog rose (Rosa canina L.) is a wild native species in Iran, with a significant genetic diversity. This plant serves as a rich source of vitamin C, anthocyanins, phenolic contents and carotenoids. Rose hips have been used in several food products, as well as perfumery and cosmetics industries. In this research, we investigate biochemical characteristics of five dog rose ecotypes (Kopehjamshid, Zarneh, Miyankish, Aghcheh and Sadeghiyeh), that were collected from the central part of Iran (Isfahan province). Amounts of vitamin C, total carotenoids, total phenolic contents, total anthocyanins, macro and micro minerals were measured...
November 14, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29137481/effects-of-pioglitazone-on-ventricular-myocyte-shortening-and-ca-2-transport-in-the-goto-kakizaki-type-2-diabetic-rat
#14
K A Salem, V Sydorenko, M Qureshi, M Oz, F C Howarth
Pioglitazone (PIO) is a thiazolidindione antidiabetic agent which improves insulin sensitivity and reduces blood glucose in experimental animals and treated patients. At the cellular level the actions of PIO in diabetic heart are poorly understood. A previous study has demonstrated shortened action potential duration and inhibition of a variety of transmembrane currents including L-type Ca(2+) current in normal canine ventricular myocytes. The effects of PIO on shortening and calcium transport in ventricular myocytes from the Goto-Kakizaki (GK) type 2 diabetic rat have been investigated...
November 10, 2017: Physiological Research
https://www.readbyqxmd.com/read/29137362/an-optimized-hmgb1-expressed-by-recombinant-rabies-virus-enhances-immunogenicity-through-activation-of-dendritic-cells-in-mice
#15
Zhao Wang, Qian Liang, Yajing Zhang, Jie Yang, Mingming Li, Kunlun Wang, Min Cui, Huanchun Chen, Zhen F Fu, Ling Zhao, Ming Zhou
Rabies remains an important public health threat, killing approximately 59,000 people worldwide annually, most of which are from the developing countries of Africa and Asia where dog rabies are endemic. Therefore, developing an affordable and efficacious vaccine for dog-mediated rabies control is needful in these countries. Our previous studies indicated that over-expression of granulocyte-macrophage colony stimulating factor (GM-CSF) or macrophage inflammatory protein-1 (MIP-1α or CCL3) by recombinant rabies virus (rRABV) could enhance the immunogenicity by activating dendritic cells (DCs)...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137329/development-of-a-radiolabeled-caninized-anti-egfr-antibody-for-comparative-oncology-trials
#16
Judit Fazekas-Singer, Neydher Berroterán-Infante, Christina Rami-Mark, Monika Dumanic, Miroslawa Matz, Michael Willmann, Fritz Andreae, Josef Singer, Wolfgang Wadsak, Markus Mitterhauser, Erika Jensen-Jarolim
Due to large homology of human and canine EGFR, dogs suffering from spontaneous EGFR+ cancer can be considered as ideal translational models. Thereby, novel immunotherapeutic compounds can be developed for both human and veterinary patients. This study describes the radiolabeling of a canine anti-EGFR IgG antibody (can225IgG) with potential diagnostic and therapeutic value in comparative clinical settings. Can225IgG was functionalized with DTPA for subsequent chelation with the radionuclide (99m)Tc. Successful coupling of 10 DTPA molecules per antibody on average was proven by significant mass increase in MALDI-TOF spectroscopy, gel electrophoresis and immunoblots...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136370/ochratoxin-a-induced-apoptosis-of-ipec-j2-cells-through-ros-mediated-mitochondrial-permeability-transition-pore-opening-pathway
#17
Hong Wang, Ying Chen, Nianhui Zhai, Xingxiang Chen, Fang Gan, Hu Li, Kehe Huang
With the purpose to explore the mechanisms associated with the intestinal toxicity of OTA, an intestinal porcine epithelial cell line (IPEC-J2) was applied in this study as in vitro models for intestinal epithelium. The results confirmed that OTA induced IPEC-J2 cell toxicity by MTT assay and apoptosis by Hoechst 33258 staining and flow cytometer analysis. And then, we observed that OTA induced the mitochondrial reactive oxygen species (ROS) production and mitochondrial permeability transition pore (mPTP) opening by confocal microscopy...
November 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29136195/hour-by-hour-physical-activity-patterns-of-adults-aged-45-65-years-a-cross-sectional-study
#18
F M Jansen, G H van Kollenburg, C B M Kamphuis, F H Pierik, D F Ettema
Background: Limited information exists on hour-by-hour physical activity (PA) patterns among adults aged 45-65 years. Therefore, this study aimed to distinguish typical hour-by-hour PA patterns, and examined which individuals typically adopt certain PA patterns. Methods: Accelerometers measured light and moderate-vigorous PA. GIS-data provided proportions of land use within an 800 and 1600 m buffer around participant's homes. Latent class analyses were performed to distinguish PA patterns and groups of individuals with similar PA patterns...
November 10, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/29136156/increase-in-antimicrobial-resistance-and-emergence-of-major-international-high-risk-clonal-lineages-in-dogs-and-cats-with-urinary-tract-infection-16-year-retrospective-study
#19
Cátia Marques, Adriana Belas, Andreia Franco, Catarina Aboim, Luís Telo Gama, Constança Pomba
Objectives: To evaluate temporal trends in antimicrobial resistance, over 16 years, in bacteria isolated from dogs and cats with urinary tract infection (UTI) and the clonal lineages of bacteria harbouring critical antimicrobial resistance mechanisms. Methods: Antimicrobial susceptibility testing was conducted for 948 bacteria isolated from dogs and cats with UTI (1999-2014). Resistance mechanisms were detected by PCR, namely ESBL/AmpC in third-generation cephalosporin (3GC)-resistant Escherichia coli and Proteus mirabilis, mecA in methicillin-resistant staphylococci, and aac(6')-Ieaph(2″)-Ia and aph(2″)-1d in high-level gentamicin-resistant (HLGR) enterococci...
November 9, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29136036/correction-occurrence-of-leishmania-infantum-in-the-central-nervous-system-of-naturally-infected-dogs-parasite-load-viability-co-infections-and-histological-alterations
#20
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