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https://www.readbyqxmd.com/read/28097602/dietary-supplementation-of-chromium-can-alleviate-negative-impacts-of-heat-stress-on-performance-carcass-yield-and-some-blood-hematology-and-chemistry-indices-of-growing-japanese-quail
#1
Mohamed Soliman El-Kholy, Mohamed Mohamed El-Hindawy, Mahmoud Alagawany, Mohamed Ezzat Abd El-Hack, Sabry Abd El-Gawad Abd El-Halim El-Sayed
The main objective of this work was to investigate the impact of dietary chromium supplementation on growth indices, carcass yield, and some hematological and biochemical blood parameters of growing Japanese quails subjected to heat stress. A total of 360 unsexed 2-week-old Japanese quail chicks were used in a 2 × 3 factorial arrangement that had two ambient temperatures (23 ± 2 and 33 ± 2 °C) and three dietary chromium (0.00, 500, and 1000 μg Cr/kg diet as chromium picolinate). For induction of heat stress, the room temperature was set at 33 ± 2 °C from 2 to 6 weeks of age...
January 17, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28096216/basal-filopodia-and-vascular-mechanical-stress-organize-fibronectin-into-pillars-bridging-the-mesoderm-endoderm-gap
#2
Yuki Sato, Kei Nagatoshi, Ayumi Hamano, Yuko Imamura, David Huss, Seiichi Uchida, Rusty Lansford
Cells may exchange information with other cells and tissues by exerting forces on the extracellular matrix (ECM). Fibronectin (FN) is an important ECM component that forms fibrils through cell contacts and creates directionally biased geometry. Here, we demonstrate that FN is deposited as pillars between widely separated germ layers, namely the somitic mesoderm and the endoderm, in quail embryos. Alongside the FN pillars, long filopodia protrude from the basal surfaces of somite epithelial cells. Loss-of-function of Ena/VASP, α5β1-integrins or talin in the somitic cells abolished the FN pillars, indicating that FN pillar formation is dependent on the basal filopodia through these molecules...
January 15, 2017: Development
https://www.readbyqxmd.com/read/28079877/genome-wide-transposon-screening-and-quantitative-insertion-site-sequencing-for-cancer-gene-discovery-in-mice
#3
Mathias J Friedrich, Lena Rad, Iraad F Bronner, Alexander Strong, Wei Wang, Julia Weber, Matthew Mayho, Hannes Ponstingl, Thomas Engleitner, Carolyn Grove, Anja Pfaus, Dieter Saur, Juan Cadiñanos, Michael A Quail, George S Vassiliou, Pentao Liu, Allan Bradley, Roland Rad
Transposon-mediated forward genetics screening in mice has emerged as a powerful tool for cancer gene discovery. It pinpoints cancer drivers that are difficult to find with other approaches, thus complementing the sequencing-based census of human cancer genes. We describe here a large series of mouse lines for insertional mutagenesis that are compatible with two transposon systems, PiggyBac and Sleeping Beauty, and give guidance on the use of different engineered transposon variants for constitutive or tissue-specific cancer gene discovery screening...
February 2017: Nature Protocols
https://www.readbyqxmd.com/read/28079567/cardiac-calcium-release-channel-ryanodine-receptor-2-regulation-by-halogenated-anesthetics
#4
Derek R Laver, John Attia, Christopher Oldmeadow, Anthony W Quail
BACKGROUND: Halogenated anesthetics activate cardiac ryanodine receptor 2-mediated sarcoplasmic reticulum Ca release, leading to sarcoplasmic reticulum Ca depletion, reduced cardiac function, and providing cell protection against ischemia-reperfusion injury. Anesthetic activation of ryanodine receptor 2 is poorly defined, leaving aspects of the protective mechanism uncertain. METHODS: Ryanodine receptor 2 from the sheep heart was incorporated into artificial lipid bilayers, and their gating properties were measured in response to five halogenated anesthetics...
January 12, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28078369/effectiveness-of-integrated-best-management-practices-on-mitigation-of-atrazine-and-metolachlor-in-an-agricultural-lake-watershed
#5
Richard Lizotte, Martin Locke, Ronald Bingner, R Wade Steinriede, Sammie Smith
The study examined the influence of land-use (cropping patterns) and integrated agricultural best management practices (BMPs) on spring herbicide levels in an agricultural watershed. Atrazine and metolachlor were applied for weed control during spring of 1998-2002, 2005, and 2007-2013. Watershed-wide mass of applied herbicides ranged from 12.7 to 209.2 g atrazine and 10.9-302.2 g metolachlor with greatest application during 1998, 2009-2010 (atrazine) and 2007-2013 (metolachlor). Spring herbicide concentrations in Beasley Lake water ranged from below detection to 3...
January 11, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28076773/thymol-detection-and-quantitation-by-solid-phase-microextraction-in-faeces-and-egg-yolk-of-japanese-quail
#6
María E Fernandez, Marcela A Palacio, María C Labaque
To measure bioavailability of the active ingredients of phytogenic feed additives in poultry products and subproducts is a key element for developing a rational understanding of its mode of action and biological effects. Hence, we validated a headspace solid phase microextraction (HS-SPME) technique followed by gas chromatography-mass spectrometry as an analytical extraction procedure and as method for detection and quantitation of 2-Isopropyl-5-methylphenol (thymol) in faeces and egg yolk of quail. The suitability of this method for thymol analysis in both matrices was first proved via linearity, limit of detection, limit of quantification, and recovery using m-cresol as internal standard...
December 31, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28054202/best-one-hundred-papers-of-international-orthopaedics-a-bibliometric-analysis
#7
Andreas F Mavrogenis, Panayiotis D Megaloikonomos, Georgios N Panagopoulos, Cyril Mauffrey, Andrew Quaile, Marius M Scarlat
INTRODUCTION: International Orthopaedics was founded in 1977. Within the 40 volumes and 247 issues since its launch, 5462 scientific articles have been published. This article identifies, analyses and categorises the best cited articles published by the journal to date. METHODS: We searched Elsevier Scopus database for citations of all papers published in International Orthopaedics since its foundation. Source title was selected, and the journal's title was introduced in the search engine...
January 4, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28053196/goose-embryonic-development-from-oviposition-through-16-hours-of-incubation
#8
E Łukaszewicz, M Lasoń, J Rosenberger, A Kowalczyk, M Bakst
Normal tables provide an objective step-wise description of the morphological development of an embryo. Such tables have been described for the chicken, turkey, quail, and duck embryos, but there is no such staging table for goose embryos. As the goose has one of the longest incubation periods of all the poultry species and embryo mortality during incubation is relatively high, a normal table of goose embryo development would be useful in assessing the morpho-genetic status of the goose embryo before and during incubation...
January 3, 2017: Poultry Science
https://www.readbyqxmd.com/read/28051937/constant-and-cycling-incubation-temperatures-have-long-term-effects-on-the-morphology-and-metabolic-rate-of-japanese-quail
#9
Noah Ben-Ezra, Gary Burness
Incubation temperature can have profound effects on growth and development of embryos and young birds. However, few studies have examined the role that cycling incubation temperature may play in phenotypic variation and whether these effects persist to adulthood. We incubated Japanese quail eggs at control temperatures (37.5°C), at low temperatures (36.0°C), and under a cyclical treatment that maintained the same average temperature as the low treatment (36.0°C) with high temperatures that were the same as the control (37...
January 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28048838/su-f-i-36-in-utero-dose-measurements-within-postmortem-subjects-for-estimating-fetal-doses-in-pregnant-patients-examined-with-pulmonary-embolism-trauma-and-appendicitis-ct
#10
I Lipnharski, N Quails, C Carranza, N Correa, S Bidari, M Bickelhaup, L Rill, M Arreola
PURPOSE: The imaging of pregnant patients is medically necessary in certain clinical situations. The purpose of this work was to directly measure uterine doses in a cadaver scanned with CT protocols commonly performed on pregnant patients in order to estimate fetal dose and assess potential risk. METHOD: One postmortem subject was scanned on a 320-slice CT scanner with standard pulmonary embolism, trauma, and appendicitis protocols. All protocols were performed with the scan parameters and ranges currently used in clinical practice...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048491/su-f-sps-03-direct-measurement-of-organ-doses-resulting-from-head-and-cervical-spine-trauma-ct-protocols
#11
C Carranza, I Lipnharski, N Quails, N Correa, L Rill, M Arreola
PURPOSE: This retrospective study analyzes the exposure history of emergency department (ED) patients undergoing head and cervical spine trauma computed tomography (CT) studies. This study investigated dose levels received by trauma patients and addressed any potential concerns regarding radiation dose issues. METHODS: Under proper IRB approval, a cohort of 300 trauma cases of head and cervical spine trauma CT scans received in the ED was studied. The radiological image viewing software of the hospital was used to view patient images and image data...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046802/su-f-i-46-optimizing-dose-reduction-in-adult-head-ct-protocols-while-maintaining-image-quality-in-postmortem-head-scans
#12
I Lipnharski, C Carranza, N Quails, N Correa, D Rajderkar, J Bennett, L Rill, M Arreola
PURPOSE: To optimize adult head CT protocol by reducing dose to an appropriate level while providing CT images of diagnostic quality. METHODS: Five cadavers were scanned from the skull base to the vertex using a routine adult head CT protocol (120 kVp, 270 mA, 0.75 s rotation, 0.5 mm × 32 detectors, 70.8 mGy CTDIvol) followed by seven reduced-dose protocols with varying combinations of reduced tube current, reduced rotation time, and increased detectors with CTDIvol ranging from 38...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045206/assessment-of-tissue-development-in-fattening-quails-using-the-stable-isotope-technique
#13
J C R Rezende, M M P Sartori, J R Sartori, C Ducatti, J C Denadai, A C Pezzato
We aimed to study the behaviour of tissue renewal in blood, pectoral muscle and keel of fattening quails during their growth and adulthood through carbon-13 turnover using the stable isotope technique. Three hundred male European quails were randomly subjected to six treatments. Diets fed to animals were initially based on corn and soybean meal and were replaced at 0, 7, 14, 21, 28 and 35 days of age with diets of rice grits and soybean meal. These diets have distinct isotopic signals and over time it changes; the tissue will incorporate dietary signal, and then, we can measure the return time for each tissue in each age...
January 3, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28043887/first-genetic-characterization-of-toxoplasma-gondii-infection-in-common-quails-coturnix-coturnix-intended-for-human-consumption-in-china
#14
Wei Cong, Hong-Liang Ju, Xiao-Xuan Zhang, Qing-Feng Meng, Jian-Gang Ma, Ai-Dong Qian, Xing-Quan Zhu
Toxoplasma gondii is widely distributed in humans and other animals including birds throughout the world. However, little is known of the molecular epidemiology and genotypes of T. gondii infecting quails in China. Therefore, the present study was conducted to characterize T. gondii genotypes in common quails in China. During December 2014 to October 2015, a total of 390 muscle tissue samples of common quails were collected and the T. gondii B1 gene was amplified using a nested PCR, and the positive samples were genotyped at 11 genetic markers (SAG1, 5'-and 3'-SAG2, alternative SAG2, SAG3, BTUB, GRA6, L358, PK1, c22-8, c29-2, and Apico) using multilocus polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technology...
December 30, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28027470/performance-of-a-novel-atrazine-induced-cerebellar-toxicity-in-quail-coturnix-c-coturnix-activating-pxr-car-pathway-responses-and-disrupting-cytochrome-p450-homeostasis
#15
Jun Xia, Lei Qin, Zheng-Hai Du, Jia Lin, Xue-Nan Li, Jin-Long Li
Atrazine is well known to be a biologically hazardous substance with toxic effects, but atrazine-induced neurotoxicity remains unclear. The aim of this study was to investigate the mechanisms of atrazine-induced cerebellar toxicity. To determine atrazine-exerted potential neurotoxicity, quails were treated with 50, 250 and 500 mg/kg atrazine by gavage administration for 45 days. Notably, the changes of cytochrome P450 enzyme system (CYP450s) were observed in atrazine-exposed quails. The contents of cytochrome P450 (CYP450) and Cytochrome b5 (Cyt b5) and the activities of NADPH-cytochrome c reductase (NCR), aminopyrin N-demethylase (APND) and aniline-4-hydeoxylase (AH) were increased and erythromycin N-demethylase (ERND) was decreased in quail cerebellum...
December 18, 2016: Chemosphere
https://www.readbyqxmd.com/read/28018729/volumetric-optical-mapping-in-early-embryonic-hearts-using-light-sheet-microscopy
#16
Pei Ma, Dennis C Chan, Shi Gu, Michiko Watanabe, Michael W Jenkins, Andrew M Rollins
Optical mapping (OM) of electrical activity using voltage-sensitive fluorescent dyes is a powerful tool for the investigation of embryonic cardiac electrophysiology. However, because conventional OM integrates the signal in depth and projects it to a two-dimensional plane, information acquired is incomplete and dependent upon the orientation of the sample. This complicates interpretation of data, especially when comparing one heart to another. To overcome this limitation, we present volumetric OM using light-sheet microscopy, which enables high-speed capture of optically sectioned slices...
December 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/28003965/a-method-to-implement-the-reservoir-wave-hypothesis-using-phase-contrast-magnetic-resonance-imaging
#17
Robert D M Gray, Kim H Parker, Michael A Quail, Andrew M Taylor, Giovanni Biglino
The reservoir-wave hypothesis states that the blood pressure waveform can be usefully divided into a "reservoir pressure" related to the global compliance and resistance of the arterial system, and an "excess pressure" that depends on local conditions. The formulation of the reservoir-wave hypothesis applied to the area waveform is shown, and the analysis is applied to area and velocity data from high-resolution phase-contrast cardiovascular magnetic resonance (CMR) imaging. A validation study shows the success of the principle, with the method producing largely robust and physically reasonable parameters, and the linear relationship between flow and wave pressure seen in the traditional pressure formulation is retained...
2016: MethodsX
https://www.readbyqxmd.com/read/28003519/a-trade-off-between-reproductive-investment-and-maternal-cerebellum-size-in-a-precocial-bird
#18
Christina Ebneter, Joel L Pick, Barbara Tschirren
Natural selection favours increased investment in reproduction, yet considerable variation in parental investment is observed in natural populations. Life-history theory predicts that this variation is maintained by a trade-off between the benefits of increased reproductive investment and its associated costs for the parents. The nature of these costs of reproduction, however, remains poorly understood. The brain is an energetically highly expensive organ and increased reproductive investment may, therefore, negatively affect brain maintenance...
December 2016: Biology Letters
https://www.readbyqxmd.com/read/27986836/diverse-mechanisms-of-metaeffector-activity-in-an-intracellular-bacterial-pathogen-legionella-pneumophila
#19
Malene L Urbanus, Andrew T Quaile, Peter J Stogios, Mariya Morar, Chitong Rao, Rosa Di Leo, Elena Evdokimova, Mandy Lam, Christina Oatway, Marianne E Cuff, Jerzy Osipiuk, Karolina Michalska, Boguslaw P Nocek, Mikko Taipale, Alexei Savchenko, Alexander W Ensminger
Pathogens deliver complex arsenals of translocated effector proteins to host cells during infection, but the extent to which these proteins are regulated once inside the eukaryotic cell remains poorly defined. Among all bacterial pathogens, Legionella pneumophila maintains the largest known set of translocated substrates, delivering over 300 proteins to the host cell via its Type IVB, Icm/Dot translocation system. Backed by a few notable examples of effector-effector regulation in L. pneumophila, we sought to define the extent of this phenomenon through a systematic analysis of effector-effector functional interaction...
December 16, 2016: Molecular Systems Biology
https://www.readbyqxmd.com/read/27982692/genetic-evaluation-of-weekly-body-weight-in-japanese-quail-using-random-regression-models
#20
K Karami, S Zerehdaran, M Tahmoorespour, B Barzanooni, E Lotfi
1. A total of 11 826 records from 2489 quails, hatched between 2012 and 2013, were used to estimate genetic parameters for BW (body weight) of Japanese quail using random regression models. Weekly BW was measured from hatch until 49 d of age. WOMBAT software (University of New England, Australia) was used for estimating genetic and phenotypic parameters. 2. Nineteen models were evaluated to identify the best orders of Legendre polynomials. A model with Legendre polynomial of order 3 for additive genetic effect, order 3 for permanent environmental effects and order 1 for maternal permanent environmental effects was chosen as the best model...
December 16, 2016: British Poultry Science
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