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https://www.readbyqxmd.com/read/28813612/role-of-zinc-oxide-nanoparticles-in-alleviating-hepatic-fibrosis-and-nephrotoxicity-induced-by-thioacetamide-in-rats
#1
Samir Ae Bashandy, Abdulaziz Alaamer, Sherif Abdelmawgoud Moussa, Enayat Omara
The present research studied the influence of zinc oxide nanoparticles (ZnO-NPs; 5mg, 7.5mg, 10 mg/Kg IP) on the liver and kidney injuries motivated by thioacetamide (TAA; 100mg/Kg IP).Each treatment was carried out three times weekly for eight weeks .ZnO-NPs relieved the decrease of hepatic or renal reduced glutathione (GSH), catalase (CAT) and superoxide dismutase (SOD) induced by TAA. Moreover, ZnO-NPs lowered tissues malondialdehyde (MDA, an indicator for lipid peroxidation). TAA treatment led to a significant increase in plasma inflammatory markers (TNF-α, IL-6), liver enzymes (Gamma-glutamyltransferase (GGT), Aspartate aminotransferase (AST), Alanine aminotransferase (ALT) and kidney function parameters (Creatinine, urea, uric acid)...
August 16, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28813510/construction-of-novel-pjrd215-derived-plasmids-using-chloramphenicol-acetyltransferase-cat-gene-as-a-selection-marker-for-acidithiobacillus-caldus
#2
Rui Wang, Chunmao Lin, Jianqiang Lin, Xin Pang, Xiangmei Liu, Chengjia Zhang, Jianqun Lin, Linxu Chen
BACKGROUND: Acidithiobacillus caldus, a Gram-negative, chemolithotrophic sulfur-oxidizing bacterium, is widely applied in bioleaching. The absence of an ideal selection marker has become a major obstacle to achieve high efficiency of the gene transfer system for A. caldus. Plasmid pJRD215, widely used in Acidithiobacillus spp., has severe drawbacks in molecular manipulations and potential biosafety issues due to its mobility. Therefore, finding a new selection marker and constructing new plasmids have become an urgent and fundamental work for A...
2017: PloS One
https://www.readbyqxmd.com/read/28813472/an-intronic-line-1-insertion-in-mertk-is-strongly-associated-with-retinopathy-in-swedish-vallhund-dogs
#3
Richard Everson, Louise Pettitt, Oliver P Forman, Olivia Dower-Tylee, Bryan McLaughlin, Saija Ahonen, Maria Kaukonen, András M Komáromy, Hannes Lohi, Cathryn S Mellersh, Jane Sansom, Sally L Ricketts
The domestic dog segregates a significant number of inherited progressive retinal diseases, several of which mirror human retinal diseases and which are collectively termed progressive retinal atrophy (PRA). In 2014, a novel form of PRA was reported in the Swedish Vallhund breed, and the disease was mapped to canine chromosome 17. The causal mutation was not identified, but expression analyses of the retinas of affected Vallhunds demonstrated a 6-fold increased expression of the MERTK gene compared to unaffected dogs...
2017: PloS One
https://www.readbyqxmd.com/read/28813461/epidemiology-of-clostridium-difficile-in-infants-in-oxfordshire-uk-risk-factors-for-colonization-and-carriage-and-genetic-overlap-with-regional-c-difficile-infection-strains
#4
Nicole Stoesser, David W Eyre, T Phuong Quan, Heather Godwin, Gemma Pill, Emily Mbuvi, Alison Vaughan, David Griffiths, Jessica Martin, Warren Fawley, Kate E Dingle, Sarah Oakley, Kazimierz Wanelik, John M Finney, Melina Kachrimanidou, Catrin E Moore, Sherwood Gorbach, Thomas V Riley, Derrick W Crook, Tim E A Peto, Mark H Wilcox, A Sarah Walker
BACKGROUND: Approximately 30-40% of children <1 year of age are Clostridium difficile colonized, and may represent a reservoir for adult C. difficile infections (CDI). Risk factors for colonization with toxigenic versus non-toxigenic C. difficile strains and longitudinal acquisition dynamics in infants remain incompletely characterized. METHODS: Predominantly healthy infants (≤2 years) were recruited in Oxfordshire, UK, and provided ≥1 fecal samples. Independent risk factors for toxigenic/non-toxigenic C...
2017: PloS One
https://www.readbyqxmd.com/read/28813459/%C3%AE-2-microglobulin-gene-duplication-in-cetartiodactyla-remains-intact-only-in-pigs-and-possibly-confers-selective-advantage-to-the-species
#5
Thong Minh Le, Quy Van Chanh Le, Dung Minh Truong, Hye-Jeong Lee, Min-Kyeung Choi, Hyesun Cho, Hak-Jae Chung, Jin-Hoi Kim, Jeong-Tae Do, Hyuk Song, Chankyu Park
Several β2-microglobulin (B2M) -bound protein complexes undertake key roles in various immune system pathways, including the neonatal Fc receptor (FcRn), cluster of differentiation 1 (CD1) protein, non-classical major histocompatibility complex (MHC), and well-known MHC class I molecules. Therefore, the duplication of B2M may lead to an increase in the biological competence of organisms to the environment. Based on the pig genome assembly SSC10.2, a segmental duplication of ~45.5 kb, encoding the entire B2M protein, was identified in pig chromosome 1...
2017: PloS One
https://www.readbyqxmd.com/read/28813445/transition-of-the-intestinal-microbiota-of-cats-with-age
#6
Hiroaki Masuoka, Kouya Shimada, Tomoyo Kiyosue-Yasuda, Masaharu Kiyosue, Yukie Oishi, Seiji Kimura, Yuji Ohashi, Tomohiko Fujisawa, Kozue Hotta, Akio Yamada, Kazuhiro Hirayama
The transition of intestinal microbiota with age has been well described in humans. However, the age-related changes in intestinal microbiota of cats have not been well studied. In the present study, we investigated the composition of intestinal microbiota of cats in 5 different age groups (pre-weanling, weanling, young, aged, senile) with a culture-based method. For lactobacilli and bifidobacteria, we also quantified with molecular-based method, real-time PCR. The results suggested that the composition of the feline intestinal microbiota changes with age, while the changes were different from those of humans and dogs...
2017: PloS One
https://www.readbyqxmd.com/read/28813431/skeleton-of-an-unusual-cat-sized-marsupial-relative-metatheria-marsupialiformes-from-the-middle-eocene-lutetian-44-43-million-years-ago-of-turkey
#7
A Murat Maga, Robin M D Beck
We describe a near-complete, three-dimensionally preserved skeleton of a metatherian (relative of modern marsupials) from the middle Eocene (Lutetian: 44-43 million years ago) Lülük member of the Uzunçarşıdere Formation, central Turkey. With an estimated body mass of 3-4 kg, about the size of a domestic cat (Felis catus) or spotted quoll (Dasyurus maculatus), it is an order of magnitude larger than the largest fossil metatherians previously known from the Cenozoic of the northern hemisphere. This new taxon is characterised by large, broad third premolars that probably represent adaptations for hard object feeding (durophagy), and its craniodental morphology suggests the capacity to generate high bite forces...
2017: PloS One
https://www.readbyqxmd.com/read/28813206/levamisole-in-illicit-trafficking-cocaine-seized-a-one-year-study
#8
Simona Martello, Massimo Pieri, Cristiano Ialongo, Stefano Pignalosa, Gianluca Noce, Francesca Vernich, Carmelo Russo, Federico Mineo, Sergio Bernardini, Luigi Tonino Marsella
Cocaine use is increasing around the world and its purity is frequently altered through dilution, substitution, contamination, and adulteration. Sugars, talc, starch, and carbonates represent the principal diluents of cocaine, while phenacetin, levamisole, caffeine, and lidocaine are its major adulterants in Europe. Levamisole is used because it is an odorless powder, with physical properties similar to cocaine, and it has reasonable cost and availability, being widely used in veterinary medicine. For this study, we analyzed 88 cocaine samples...
August 16, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28813176/validating-the-concept-of-copd-control-a-real-world-cohort-study-from-the-united-kingdom
#9
Anjan Nibber, Alison Chisholm, Juan José Soler-Cataluña, Bernardino Alcazar, David Price, Marc Miravitlles
The concept of Chronic Obstructive Pulmonary Disease (COPD) control has been developed to inform therapeutic decision-making. We explored the validity of a definition of COPD control in a representative population of patients with COPD in the United Kingdom. Electronic medical records and linked COPD questionnaire data from the Optimum Patient Care Research Database were used to characterize control status. Patients were aged ≥40 years, with spirometry-confirmed COPD, current or ex-smokers, and continuous records throughout the study period...
August 16, 2017: COPD
https://www.readbyqxmd.com/read/28813173/development-of-a-dermatology-diagnostic-techniques-teaching-session-a-nine-step-approach
#10
Robin M Farrell, Linda G Shell
Creating effective learning experiences for veterinary clinical skills and procedures can be a challenging task. Drawing from both medical and veterinary education literature and personal experiences as practicing veterinarians and educators, the authors share nine key steps that describe the development process of a pre-clinical veterinary clinical skills teaching session. Relevant research and pedagogical principles supporting the effectiveness of the proposed nine-step process were identified and discussed...
August 16, 2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28813172/rabbit-neutering-in-primary-care-education-insights-from-a-surgical-clinic
#11
Livia Benato, Jennifer Hammond
Involvement in canine and feline surgical neutering clinics is generally considered to be a key element of primary-care veterinary education, yet opportunities for veterinary students to develop their surgical skills with rabbit patients are uncommon. This is despite the fact that rabbits are currently estimated to be the third-most popular companion animal species and the fact that the British Small Animal Veterinary Association (BSAVA) recommends that all non-breeding rabbits be neutered soon after they attain sexual maturity...
August 16, 2017: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/28812696/skeletal-trauma-reflects-hunting-behaviour-in-extinct-sabre-tooth-cats-and-dire-wolves
#12
Caitlin Brown, Mairin Balisi, Christopher A Shaw, Blaire Van Valkenburgh
Skeletal-injury frequency and distribution are likely to reflect hunting behaviour in predatory vertebrates and might therefore differ between species with distinct hunting modes. Two Pleistocene predators from the Rancho La Brea asphalt seeps, the sabre-tooth cat, Smilodon fatalis, and dire wolf, Canis dirus, represent ambush and pursuit predators, respectively. On the basis of a collection of over 1,900 pathological elements, the frequency of traumatic injury across skeletal elements in these two species was calculated...
April 10, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812533/immunoreactivity-of-canine-liposarcoma-to-muscle-and-brown-adipose-antigens
#13
Elise Eva Bella LaDouceur, Sarah E Stevens, Jason Wood, Christopher M Reilly
Liposarcoma, rhabdomyosarcoma, and hibernoma share some overlapping histologic and immunohistochemical features. Although immunohistochemistry (IHC) is commonly used in the diagnosis of these neoplasms, expression of muscle markers has been reported in human liposarcoma and canine hibernoma in addition to rhabdomyosarcoma. Thus, these neoplasms are a diagnostic challenge but important to distinguish because of differences in prognosis and treatment. Rhabdomyosarcoma and liposarcoma are both malignant, but rhabdomyosarcoma has a higher potential for metastasis...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812531/prolactinoma-in-a-dog
#14
Cristina Cosio, Elena Sartori, Marcello Garatti, Lorenzo Luccardini, G C M Grinwis, Hans S Kooistra, Federico Fracassi
A 12-year-old male Yorkshire Terrier was presented because of decreased appetite. Physical examination revealed mammary gland swelling and galactorrhea. Contrast-enhanced computed tomographic scanning of the skull indicated an enlarged pituitary gland, compatible with a pituitary tumor. The serum prolactin concentration was markedly elevated. One week after the start of treatment with the dopamine agonist cabergoline, the serum prolactin concentration normalized and the galactorrhea resolved. Cabergoline was administered for approximately 4 months and then discontinued...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812530/feline-herpesvirus-pneumonia-investigations-into-the-pathogenesis
#15
Josep Maria Monne Rodriguez, Gail Leeming, Kernt Köhler, Anja Kipar
Feline herpesvirus type 1 (FeHV-1) is one of the etiological agents of feline respiratory disease. FeHV-1 is an epitheliotropic and cytopathic virus that mainly causes rhinitis and conjunctivitis, although pneumonia is also occasionally seen. In this study, the authors investigated the pathogenesis of FeHV-1-associated pneumonia, comparing natural cases with viral infection of tracheal ring and cell cultures in vitro, using histology, immunohistology, double immunofluorescence, and transmission electron microscopy as investigative tools...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812527/cytokine-concentrations-measured-by-multiplex-assays-in-canine-peripheral-blood-samples
#16
Kristen R Richter, Amirah N Nasr, Angela M Mexas
Cytokines are known to play important roles in a wide range of pathologic conditions spanning all organ systems in every species studied. As our knowledge of the physiology of individual cytokines expands and our ability to measure multiple cytokines in smaller biological samples increases, we gain more insight into the significance and function of each cytokine and the importance of cytokine networks. Previous studies that reported measurements of cytokine concentrations from serum or plasma in dogs with infectious, autoimmune, metabolic, endocrine, and neoplastic diseases yield an appreciation for the complexity of cytokine control and potential applications for cytokine measurements in the diagnosis, prognosis, and therapy of a variety of disease conditions...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812526/parvovirus-infection-is-associated-with-myocarditis-and-myocardial-fibrosis-in-young-dogs
#17
Jordan Ford, Laura McEndaffer, Randall Renshaw, Alex Molesan, Kathleen Kelly
Perinatal parvoviral infection causes necrotizing myocarditis in puppies, which results in acute high mortality or progressive cardiac injury. While widespread vaccination has dramatically curtailed the epidemic of canine parvoviral myocarditis, we hypothesized that canine parvovirus 2 (CPV-2) myocardial infection is an underrecognized cause of myocarditis, cardiac damage, and/or repair by fibrosis in young dogs. In this retrospective study, DNA was extracted from formalin-fixed, paraffin-embedded tissues from 40 cases and 41 control dogs under 2 years of age from 2007 to 2015...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812496/walking-the-dog-gets-older-people-out-rain-or-shine
#18
(no author information available yet)
Older dog owners are likely to be more physically active in the winter than people of similar age are in the summer, a study has found.
August 16, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28812320/the-relationship-between-periodontal-disease-tooth-loss-and-decreased-skeletal-bone-mineral-density-in-ageing-women
#19
Ivana Savić Pavičin, Jelena Dumančić, Tomislav Jukić, Tomislav Badel
AIM: Osteoporosis and periodontitis are both chronic diseases characterised by bone loss. Potential association is of great clinical importance because of multifactorial aetiology and common risk factors. The aim of this study was to determine relationship between bone mineral density (BMD), tooth loss and periodontal status taking into account age, number of years since onset of menopause and educational level. With increasing age, number of years since onset of menopause and lower educational level, decreased BMD, deteriorating periodontal status and greater tooth loss are expected...
August 15, 2017: Gerodontology
https://www.readbyqxmd.com/read/28811956/spectrophotometric-methods-for-simultaneous-determination-of-oxytetracycline-hcl-and-flunixin-meglumine-in-their-veterinary-pharmaceutical-formulation
#20
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
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