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https://www.readbyqxmd.com/read/28324812/the-effects-of-ovarian-biopsy-and-blood-sampling-methods-on-salivary-cortisol-and-behaviour-in-sows
#1
Jinhyeon Yun, Stefan Björkman, Merja Pöytäkangas, Olli Peltoniemi
In reproductive physiology research, experimental animals are often subjected to stressful procedures, including blood sampling and biopsy. In this present study, presence of pain or distress induced by four different procedures was examined using a measurement of salivary cortisol levels and activity observations in sows. The treatments were: 1) PAL: The ovary was palpated through the rectum without snaring, 2) TUB: transvaginal ultrasound-guided biopsy of the ovary was conducted without snaring, 3) SNA: a soft rope snare was placed around the maxilla, 4) CAT: A soft rope snare was placed around the maxilla, and an intravenous catheter was inserted through the ear vein of the sows...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28324190/exogenous-application-of-urea-and-a-urease-inhibitor-improves-drought-stress-tolerance-in-maize-zea-mays-l
#2
Wei Gou, Pufan Zheng, Li Tian, Mei Gao, Lixin Zhang, Nudrat Aisha Akram, Muhammad Ashraf
Drought is believed to cause many metabolic changes which affect plant growth and development. However, it might be mitigated by various inorganic substances, such as nitrogen. Thus, the study was carried out to investigate the effect of foliar-applied urea with or without urease inhibitor N-(n-butyl) thiophosphoric triamide (NBPT) on a maize cultivar under drought stress simulated by 15% (w/v) polyethylene glycol 6000. Foliar-applied urea resulted in a significant increase in plant dry weight, relative water content, and photosynthetic pigments under water stress condition...
March 21, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28323448/effects-of-chronic-ghrelin-treatment-on-hypoxia-induced-brain-oxidative-stress-and-inflammation-in-a-rat-normobaric-chronic-hypoxia-model
#3
Hasan Omrani, Mohammad Reza Alipour, Fereshteh Farajdokht, Hadi Ebrahimi, Mehran Mesgari Abbasi, Gisou Mohaddes
AIM: This study aimed to evaluate the probable antioxidant effects of ghrelin in the brain and serum and its effect on tumor necrosis factor-alpha (TNF-α) levels in the brain in a model of chronic systemic hypoxia in rats. METHODS: Systemic hypoxia was induced by a normobaric hypoxic chamber (O2 11%) for ten days. Adult male Wistar rats were divided into control (C), chronic ghrelin (80 μg/kg/10 days) (Ghr), chronic hypoxia (CH), and CH and ghrelin (80 μg/kg/ip/10 days) (CH + Gh) groups...
March 21, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28320189/tempol-4-hydroxy-tempo-inhibits-anoxia-induced-progression-of-mitochondrial-dysfunction-and-associated-neurobehavioral-impairment-in-neonatal-rats
#4
Puneet K Samaiya, Gopeshwar Narayan, Ashok Kumar, Sairam Krishnamurthy
BACKGROUND: Anoxia leads to a robust generation of reactive oxygen species/nitrogen species which can result in mitochondrial dysfunction and associated cell death in the cerebral cortex of neonates. AIM: The present study investigated the pharmacological role of tempol in the treatment of rat neonatal cortical mitochondrial dysfunction induced insult progression (day-1 to day-7) and associated neurobehavioral alterations post-anoxia. METHODS: Rat pups of 30h age or postnatal day 2 (PND2) were randomly divided into 5 groups (n=5 per group): (1) Control; (2) Anoxia; (3) Anoxia+Tempol 75mg/kg; (4) Anoxia+Tempol 150mg/kg; and (5) Anoxia+Tempol 300mg/kg, and subjected to two episode of anoxia (10min each) at 24h of time interval in an enclosed chamber supplied with 100% N2...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320109/protective-effect-of-dexpanthenol-against-nephrotoxic-effect-of-amikacin-an-experimental-study
#5
Elif Ece Doğan, Reha Erkoç, İskender Ekinci, Jamshid Hamdard, Barış Döner, Mehmet Ali Çıkrıkçıoğlu, Cumali Karatoprak, Ganime Çoban, Ömer Faruk Özer, Rümeyza Kazancıoğlu
BACKGROUND: Amikacin has the largest spectrum among aminoglycosides, its nephrotoxic effect limits its utilization. Our purpose in this study is to review the protective effect of dexpanthenol against the nephrotoxic effect of amikacin, accompanied with histopathological and biochemical parameters. METHODS: 32 rats were randomly separated into four groups with eight in each (amikacin (1.2mg/kg/day), amikacin (1.2mg/kg/day)+dexpanthenol (500mg/kg/day), dexpanthenol (500mg/kg/day) and control)...
March 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28319890/one-year-follow-up-of-clinical-metabolic-and-oxidative-stress-profile-of-morbid-obese-patients-after-laparoscopic-sleeve-gastrectomy-8-oxo-dg-as-a-clinical-marker
#6
Lidia Monzo-Beltran, Antonio Vazquez-Tarragón, Concha Cerdà, Paula Garcia-Perez, Antonio Iradi, Carlos Sánchez, Benjamin Climent, Carmen Tormos, Antonio Vázquez-Prado, Javier Girbés, Nuria Estáñ, Sebastián Blesa, Raquel Cortés, Felipe J Chaves, Guillermo T Sáez
Obesity has grown worldwide over the last few decades. In its different degrees, obesity is accompanied by many clinical and biochemical alterations reflecting the pathological condition of various body tissues. Among the mechanisms underlying the pathogenesis of obesity and associated complications, oxidative stress (OS) may be playing an important role. In the present study, we have characterized at systemic level the degree of OS status in a group of morbid obese patients (BMI>40kg/m(2)) at basal sate and its modulation during one year after bariatric surgery using the laparoscopic sleeve gastrectomy (LSG) technique...
February 14, 2017: Redox Biology
https://www.readbyqxmd.com/read/28319793/early-response-of-wheat-antioxidant-system-with-special-reference-to-fusarium-head-blight-stress
#7
Valentina Spanic, Marija Viljevac Vuletic, Ivan Abicic, Tihana Marcek
Fusarium head blight (FHB) is a destructive fungal disease of wheat (Triticum aestivum L.) that causes significant grain yield losses and end-use quality reduction associated with contamination by the mycotoxin deoxynivalenol (DON). Three winter wheat varieties ('Vulkan', 'Kraljica' and 'Golubica') were screened for FHB resistance using artificial inoculation technique under field conditions. The aim of this study was to examine a relationship between FHB resistance and the effectiveness of enzyme antioxidant system of wheat varieties under different sampling times (3, 15, 24, 48, 96, 120 and 336 hai)...
March 14, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28319745/characteristics-and-proteomic-analysis-of-pyrene-degradation-by-brevibacillus-brevis-in-liquid-medium
#8
Kun Wei, Hua Yin, Hui Peng, Zehua Liu, Guining Lu, Zhi Dang
Polycyclic aromatic hydrocarbons (PAHs) are widely spread in various ecosystems and are of great concern due to their potential toxicity, mutagenicity and carcinogenicity. Bioremediation has been proposed as an effective approach to remove PAHs. In this study, the physiological responses and proteome of Brevibacillus brevis under exposure to pyrene, a four-ring compound from PAHs family, were investigated. The changes of cell viability of B. brevis were observed during the degradation of pyrene by means of flow cytometry...
March 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28318770/expression-of-cathepsin-s-in-bcg-converts-it-into-a-pro-apoptotic-and-highly-immunogenic-strain
#9
Alice Lau, Vijender Singh, Hafid Soualhine, Zakaria Hmama
BACKGROUND: BCG vaccine, introduced almost 100years ago, is the only option to prevent TB disease. It effectively protects newborns from meningeal TB but fails to prevent adult pulmonary TB. TB kills 1.3million people annually in areas where BCG vaccination is widely practiced. Thus, more effective TB vaccines are urgently needed. Others and we have shown that BCG mimics features of virulent M. tuberculosis, in particular attenuation of essential macrophage functions such as phagosome maturation and antigen presentation...
March 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28318025/maternal-chronic-hypoxia-increases-expression-of-genes-regulating-lung-liquid-movement-and-surfactant-maturation-in-male-fetuses-in-late-gestation
#10
Erin V McGillick, Sandra Orgeig, Beth J Allison, Kirsty L Brain, Youguo Niu, Nozomi Itani, Katie L Skeffington, Andrew D Kane, Emilio A Herrera, Dino A Giussani, Janna L Morrison
Chronic fetal hypoxaemia is a common pregnancy complication that may arise from maternal, placental and/or fetal factors. Respiratory outcome of the infant at birth likely depends on the duration, timing and severity of the hypoxaemic insult. We have isolated the effect of maternal chronic hypoxia (MCH) for a month in late gestation on fetal lung development. Pregnant ewes were exposed to normoxia (21% O2 ) or hypoxia (10% O2 ) from 105-138 d gestation (term ∼145 d). At 138 d, gene expression in fetal lung tissue was determined by qRT-PCR...
March 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28317755/dnp-and-atp-induced-alteration-in-disease-development-of-phomopsis-longanae-chi-inoculated-longan-fruit-by-acting-on-energy-status-and-reactive-oxygen-species-production-scavenging-system
#11
Yifen Lin, Mengyin Chen, Hetong Lin, Yen-Con Hung, Yixiong Lin, Yihui Chen, Hui Wang, John Shi
As compared with P. longanae-inoculated longans, DNP treatment for P. longanae-inoculated longans exhibited higher fruit disease index and pericarp browning index, lower ATP amount and energy charge level, lower activities of SOD, CAT and APX, lower amounts of AsA and GSH, lower levels of DPPH radical scavenging activity and reducing power, higher O2(-) generating rate and MDA amount. However, supply of ATP for P. longanae-inoculated longans showed the contrary effects. These results gave convincing evidence that DNP treatment for accelerating pericarp browning and disease development of harvested longans caused by P...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317617/companion-animal-owner-perceptions-knowledge-and-beliefs-regarding-pain-management-in-end-of-life-care
#12
Roschelle Heuberger, Michael Petty, Janice Huntingford
The senior companion animal is the fastest growing segment of the pet population. End-of-life care, quality of life, and pain management (PM) are extremely important to pet owners. Research into PM and end-of-life care is essential due to lack of information on owner knowledge, attitudes, and beliefs. A survey was developed to gather information from owners. Surveys were developed using expert focus groups, and participants were recruited through social media. Survey validation employed emergent themes and grounded theory...
December 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28317615/routine-screening-examinations-in-attendance-of-cats-with-obstructive-lower-urinary-tract-disease
#13
Amanda Marin Neri, Luiz Henrique de Araújo Machado, Priscylla Tatiana Chalfun Guimarães Okamoto, Maurício Gianfrancesco Filippi, Regina Kiomi Takahira, Alessandra Melchert, Maria Lúcia Gomes Lourenço
This study evaluates the clinical findings obtained in routine screening examinations in cats with obstructive feline lower urinary tract disease at the time of service. Twenty-six cats with urethral obstruction were assessed by physical examination, blood pressure, electrocardiogram, and laboratory tests. Cats with signs of obstruction less than 36 hours before the service were in a state of alert, with body temperature and heart rate higher compared with cats in lethargy and stupor, obstructed up to 36 hours...
December 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28317614/snap-tests-for-pancreatitis-in-dogs-and-cats-snap-canine-pancreatic-lipase-and-snap-feline-pancreatic-lipase
#14
REVIEW
Panagiotis G Xenoulis, Jörg M Steiner
A clinical diagnosis of pancreatitis in dogs and cats can be challenging. Several diagnostic modalities have been evaluated over the years for the diagnosis of canine and feline pancreatitis, but most of these modalities have been shown to be of limited clinical use because of poor performance, limited availability, or because they are invasive, or all of these. Assays for the measurement of pancreatic lipase (PL) immunoreactivity [Specific canine PL (Spec cPL) in dogs and Specific feline PL (Spec fPL) in cats] were first developed approximately 15 years ago, and studies have shown that they are currently the serum tests of choice for the evaluation of canine and feline patients, respectively, suspected of having pancreatitis...
December 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28315791/neurotoxic-effects-molecular-responses-and-oxidative-stress-biomarkers-in-nile-tilapia-oreochromis-niloticus-linnaeus-1758-exposed-to-verapamil
#15
Malachy N O Ajima, Pramod K Pandey, Kundan Kumar, Nalini Poojary
Pharmaceutical drugs and their metabolites are detected in aquatic ecosystems and have been reported to cause ecotoxicological consequences to resident aquatic organisms The study investigated the effects of acute and long-term exposure to verapamil on activities of acetylcholinesterase and antioxidant enzymes as well as mRNA expression of stress-related genes in brain and muscle tissues of Nile tilapia, Oreochromis niloticus. The 96h LC50 of verapamil to O. niloticus was 2.29mg L(-1). Exposure to sub-lethal concentrations of verapamil (0...
March 15, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28315776/cleistocalyx-nervosum-var-paniala-berry-fruit-protects-neurotoxicity-against-endoplasmic-reticulum-stress-induced-apoptosis
#16
Monruedee Sukprasansap, Pithi Chanvorachote, Tewin Tencomnao
Oxidative and endoplasmic reticulum (ER) stresses cause neuronal damage leading to neurodegenerative disorders. Cleistocalyx nervosum var. paniala (CNP) berry fruit has been shown to possess powerful antioxidant properties. Here, we investigated the neuroprotective effect of CNP extract against glutamate-mediated oxidative/ER stress-induced cell death in mouse hippocampal neuronal HT22 cells. CNP extract was clarified for its radical scavenging activities, total phenolic and anthocyanin contents. The key anthocyanin cyanidin-3-glucoside was used as a marker to standardize the extract used in the study...
March 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28315671/spatial-distribution-of-soil-contaminated-with-toxoplasma-gondii-oocysts-in-relation-to-the-distribution-and-use-of-domestic-cat-defecation-sites-on-dairy-farms
#17
J A Simon, S Kurdzielewicz, E Jeanniot, E Dupuis, F Marnef, D Aubert, I Villena, M-L Poulle
Little information is available on the relationship between the spatial distribution of zoonotic parasites in soil and the pattern of hosts' faeces deposition at a local scale. In this study, the spatial distribution of soil contaminated by the parasite Toxoplasma gondii was investigated in relation to the distribution and use of the defecation sites of its definitive host, the domestic cat (Felis catus). The study was conducted on six dairy farms with a high number of cats (seven to 30 cats). During regular visits to the farms over a 10 month period, the cat population and cat defecation sites (latrines and sites of scattered faeces) on each farm were systematically surveyed...
March 15, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28315160/modulatory-role-of-l-carnitine-against-microcystin-lr-induced-immunotoxicity-and-oxidative-stress-in-common-carp
#18
Xiu-Mei Chen, Gui-Liang Guo, Li Sun, Qiu-Shi Yang, Gui-Qin Wang, Dong-Ming Zhang
Microcystin-LR (MCLR), one of the most popular microcystins (MCs) found in many field water bodies around the world, poses great health risks to animals and humans. In the present study, healthy common carp (initial weight 24.8 ± 2.3 g) were randomly assigned to five groups. Group I was fed on normal diet as control. Group II was maintained on normal diet and received MCLR intraperitoneal injection (150 μg kg(-1) BW). Common carp in groups III, IV, and V were daily pretreated with L-carnitine (LC) at doses of 0...
March 17, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28315056/degradation-of-n-alkanes-and-pahs-from-the-heavy-crude-oil-using-salt-tolerant-bacterial-consortia-and-analysis-of-their-catabolic-genes
#19
Ranjit Gurav, Honghong Lyu, Jianli Ma, Jingchun Tang, Qinglong Liu, Hairong Zhang
In the present study, salt-tolerant strains, Dietzia sp. HRJ2, Corynebacterium variabile HRJ4, Dietzia cinnamea HRJ5 and Bacillus tequilensis HRJ6 were isolated from the Dagang oil field, China. These strains degraded n-alkanes and polycyclic aromatic hydrocarbons (PAHs) aerobically from heavy crude oil (HCO) in an experiment at 37 °C and 140 rpm. The GC/MS investigation for degradation of different chain lengths of n-alkanes (C8-C40) by individual strains showed the highest degradation of C8-C19 (HRJ5), C20-C30 (HRJ4) and C31-C40 (HRJ5), respectively...
March 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28315003/anti-oxidative-responses-on-hepatic-tissue-of-zebrafish-danio-rerio-in-a-short-duration-of-sub-lethal-concentrations-of-cadmium-exposure
#20
Su Mei Wu, Li-Hsin Shu, Jia-Hao Liu, Ching Hsein Chen
The aim of the present study was to identify whether the responses of oxidative stress in zebrafish liver are similar to those in mammalians upon low doses of Cd(2+) exposure in short durations. Fish were exposed to 1.78 μM Cd(2+) (treatment) and 0.0 μM Cd(2+) (control) for 0, 1, 3, and 6 h. The reactive oxygen species (ROS) and lipid peroxidation (LPO) of hepatic tissues significantly increased after 3 and 6 h of Cd(2+) exposure, respectively. Antioxidants glutathione peroxidase (gpx1a), superoxide dismutase (sod), and catalase (cat) were up regulated after 1-3 h, and metallothionein isoforms (smtB and mt2) increased after 3-6 h of Cd(2+) exposure...
March 18, 2017: Bulletin of Environmental Contamination and Toxicology
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