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https://www.readbyqxmd.com/read/28211263/increased-regurgitant-flow-causes-endocardial-cushion-defects-in-an-avian-embryonic-model-of-congenital-heart-disease
#1
Stephanie M Ford, Matthew T McPheeters, Yves T Wang, Pei Ma, Shi Gu, James Strainic, Christopher Snyder, Andrew M Rollins, Michiko Watanabe, Michael W Jenkins
BACKGROUND: The relationship between changes in endocardial cushion and resultant congenital heart diseases (CHD) has yet to be established. It has been shown that increased regurgitant flow early in embryonic heart development leads to endocardial cushion defects, but it remains unclear how abnormal endocardial cushions during the looping stages might affect the fully septated heart. The goal of this study was to reproducibly alter blood flow in vivo and then quantify the resultant effects on morphology of endocardial cushions in the looping heart and on CHDs in the septated heart...
February 17, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28193614/an-unwelcome-embrace-adverse-pulmonary-aortic-interactions-in-pulmonary-hypertension
#2
EDITORIAL
Michael A Quail, Vivek Muthurangu
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28191666/appraisal-and-standardization-of-curvilinear-velocity-vcl-cut-off-values-for-casa-analysis-of-japanese-quail-coturnix-japonica-sperm
#3
U Farooq, I A Malecki, M Mahmood, G B Martin
One of the basic steps in objective analysis of sperm motility is the subdivision of a motile sperm population into slow, medium and rapid categories based on their velocity. However, for CASA analysis of quail sperm, the velocity values for categorization of slow, medium and rapid sperm have not yet been standardized. To identify the cut-off values of "velocity curvilinear" (VCL) for quail sperm categorization, we captured and analysed 22,300 tracks of quail sperm using SCA(®) -CASA. The median and mean VCL values were 85 and 97 μm/s...
February 13, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28188895/the-effects-of-neonicotinoid-exposure-on-embryonic-development-and-organ-mass-in-northern-bobwhite-quail-colinus-virginianus
#4
Amanda Gobeli, Dane Crossley, Jeff Johnson, Kelly Reyna
Since their emergence in the early 1990s, neonicotinoid use has increased exponentially to make them the world's most prevalent insecticides. Although there has been considerable research concerning the lethality of neonicotinoids, their sub-lethal and developmental effects are still being explored, especially with regards to non-mammalian species. The goal of this research was to investigate the effects of the neonicotinoid imidacloprid on the morphological and physiological development of northern bobwhite quail (Colinus virginianus)...
February 7, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28186385/activating-nuclear-xenobiotic-receptors-and-triggering-er-stress-and-hepatic-cytochromes-p450-systems-in-quails-coturnix-c-coturnix-during-atrazine-exposure
#5
Zheng-Hai Du, Lei Qin, Jia Lin, Yan-Chun Sun, Jun Xia, Cong Zhang, Xue-Nan Li, Jin-Long Li
Atrazine (ATR) is one of the most widely detected contaminant in the ecosystem. Nuclear xenobiotic receptors are activated by herbicides and induce the transcription of CYP450 isoforms involved in xenobiotic metabolism and transport. However, little is known about hepatic nuclear xenobiotic receptors in birds are responsible for ATR-induced hepatotoxicity via regulating the cytochrome P450 enzyme systems (CYP450s). The objective of this study was to investigate the mechanism of ATR hepatotoxicity in quails...
February 10, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28162133/restricted-nutrition-induced-low-birth-weight-low-number-of-nephrons-and-glomerular-mesangium-injury-in-japanese-quail
#6
H Nishimura, E Yaoita, M Nameta, K Yamaguchi, M Sato, C Ihoriya, L Zhao, H Kawachi, T Sasaki, Y Ikezumi, Y Ouchi, N Kashihara, T Yamamoto
Insufficient nutrition during the perinatal period causes structural alterations in humans and experimental animals, leading to increased vulnerability to diseases in later life. Japanese quail, Coturnix japonica, in which partial (8-10%) egg white was withdrawn (EwW) from eggs before incubation had lower birth weights than controls (CTs). EwW birds also had reduced hatching rates, smaller glomeruli and lower embryo weight. In EwW embryos, the surface condensate area containing mesenchymal cells was larger, suggesting that delayed but active nephrogenesis takes place...
February 6, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28148803/m-gene-reassortment-in-h9n2-influenza-virus-promotes-early-infection-and-replication-contribution-to-rising-virus-prevalence-in-chickens-in-china
#7
Juan Pu, Honglei Sun, Yi Qu, Chenxi Wang, Weihua Gao, Junda Zhu, Yipeng Sun, Yuhai Bi, Yinhua Huang, Kin-Chow Chang, Jie Cui, Jinhua Liu
: Segment reassortment and base mutagenesis of influenza A viruses are the primary routes to the rapid evolution of high fitness virus genotypes. We recently described a predominant G57 genotype of avian H9N2 viruses that caused country-wide outbreaks in chickens in China during 2010-2013 which led to the zoonotic emergence of H7N9 viruses. One of the key features of the G57 genotype is the substitution of the earlier BJ/94-like M gene with the G1-like M gene of quail origin. We report here on the functional significance of the G1-like M gene in H9N2 viruses in conferring increased infection severity and infectivity in primary chicken embryonic fibroblasts and chickens...
February 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28125975/embryonic-environment-and-transgenerational-effects-in-quail
#8
Sophie Leroux, David Gourichon, Christine Leterrier, Yann Labrune, Vincent Coustham, Sandrine Rivière, Tatiana Zerjal, Jean-Luc Coville, Mireille Morisson, Francis Minvielle, Frédérique Pitel
BACKGROUND: Environmental exposures, for instance to chemicals, are known to impact plant and animal phenotypes on the long term, sometimes across several generations. Such transgenerational phenotypes were shown to be promoted by epigenetic alterations such as DNA methylation, an epigenetic mark involved in the regulation of gene expression. However, it is yet unknown whether transgenerational epigenetic inheritance of altered phenotypes exists in birds. The purpose of this study was to develop an avian model to investigate whether changes to the embryonic environment had a transgenerational effect that could alter the phenotypes of third-generation offspring...
January 26, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28123095/nature-s-technical-ceramic-the-avian-eggshell
#9
Eric N Hahn, Vincent R Sherman, Andrei Pissarenko, Samuel D Rohrbach, Daniel J Fernandes, Marc A Meyers
Avian eggshells may break easily when impacted at a localized point; however, they exhibit impressive resistance when subjected to a well-distributed compressive load. For example, a common demonstration of material strength is firmly squeezing a chicken egg along its major axis between one's hands without breaking it. This research provides insight into the underlying mechanics by evaluating both macroscopic and microstructural features. Eggs of different size, varying from quail (30 mm) to ostrich (150 mm), are investigated...
January 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28115510/abnormal-wave-reflections-and-left-ventricular-hypertrophy-late-after-coarctation-of-the-aorta-repair
#10
Michael A Quail, Rebekah Short, Bejal Pandya, Jennifer A Steeden, Abbas Khushnood, Andrew M Taylor, Patrick Segers, Vivek Muthurangu
Patients with repaired coarctation of the aorta are thought to have increased afterload due to abnormalities in vessel structure and function. We have developed a novel cardiovascular magnetic resonance protocol that allows assessment of central hemodynamics, including central aortic systolic blood pressure, resistance, total arterial compliance, pulse wave velocity, and wave reflections. The main study aims were to (1) characterize group differences in central aortic systolic blood pressure and peripheral systolic blood pressure, (2) comprehensively evaluate afterload (including wave reflections) in the 2 groups, and (3) identify possible biomarkers among covariates associated with elevated left ventricular mass (LVM)...
March 2017: Hypertension
https://www.readbyqxmd.com/read/28111446/functional-analysis-of-sh3-domain-containing-ring-finger-2-sh3rf2-during-the-myogenic-differentiation-of-qm7-cells
#11
Si Won Kim, Jeong Hyo Lee, Tae Sub Park
Objective: Owing to the public availability of complete genome sequences, including avian species, massive bioinformatics analyses may be conducted for computational gene prediction and the identification of gene regulatory networks through various informatics tools. However, to evaluate the biofunctional activity of a predicted target gene, in vivo and in vitro functional genomic analyses should be a prerequisite. Methods: Due to a lack of quail genomic sequence information, we first identified the partial genomic structure and sequences of the quail SH3 domain containing ring finger 2 (SH3RF2) gene...
December 27, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28110788/in-vitro-characterization-of-the-novel-h3n1-reassortant-influenza-viruses-from-quail
#12
Aunyaratana Thontiravong, Wikanda Tunterak, Kanisak Oraveerakul, Alongkorn Amonsin
Quail is considered as an intermediate host for generation of the novel reassortant influenza A viruses (IAVs). In this study, we evaluated the replication ability of the three novel H3N1 reassortant viruses recovered from pandemic H1N1 2009 (pH1N1) and duck H3N2 (dkH3N2) co-infected quail generated from our previous study in embryonated chicken eggs, mammalian (MDCK) and human lung derived (A549) cells. Our study demonstrated that all of the reassortant viruses replicated efficiently in avian and mammalian cells, albeit with slightly lower titers than the parental viruses...
February 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28109029/reproductive-performance-of-breeder-quails-fed-diets-supplemented-with-l-cysteine-coated-iron-oxide-nanoparticles
#13
H Mohammadi, A Farzinpour, A Vaziry
The objective of this study was to investigate the effects of L-cysteine-coated iron oxide nanoparticles on reproductive performance in breeder quails. The five treatment diets consisted of (i) negative control diet not supplemented with iron, (ii) positive control diet supplemented with 60 mg/kg of Fe3 O4 and (iii) experimental diets supplemented with 0.6, 6 and 60 mg/kg of L-cysteine-coated iron oxide nanoparticles. A total of 100 seven-day-old quail chicks were weighed and randomly placed to five groups of five replicate cages...
January 20, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28108667/effects-on-circulating-steroid-hormones-and-gene-expression-along-the-hypothalamus-pituitary-gonadal-axis-in-adult-japanese-quail-exposed-to-17%C3%AE-trenbolone-across-multiple-generations
#14
Natalie K Karouna-Renier, Yu Chen, Paula F P Henry, Catherine M Maddox, Daniel T Sprague
We investigated the effects of the androgenic growth promoter 17ß-trenbolone (17βTB) on adult Japanese quail (Coturnix japonica) exposed across three generations. The F0 generation was exposed after sexual maturity to 0, 1, 5, 10, 20, and 40 ppm through feed. The F1 generation was exposed in ovo by maternal transfer and through feed at the same doses as their parents. The F2 generation was exposed in ovo only. Levels of plasma sex steroids, gonadal Cytochrome P450 aromatase (CYP19A1) mRNA and select brain neuroendocrine peptide mRNAs were measured...
January 20, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28108161/behavioral-response-and-gene-expression-changes-in-fipronil-administered-male-japanese-quail-coturnix-japonica
#15
Samah R Khalil, Ashraf Awad, Hesham H Mohammed
Fipronil is an important member of the phenylpyrazole group of insecticides and is widely used for various crops and vegetables to control insects, thereby exposing birds, animals, and humans to fipronil. Currently, there is limited information on the effects of fipronil exposure in Japanese quail. Therefore, our aim was to assess the reproductive toxicological effects of fipronil in the Japanese quail in a 15-day gavage study and then its recovery over a period of 60 days. Fipronil-administration led to significant losses in both feed intake and body weight...
January 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28107701/simultaneous-determination-of-amantadine-rimantadine-and-memantine-in-processed-products-chicken-tissues-and-eggs-by-liquid-chromatography-with-tandem-mass-spectrometry
#16
Yumi Tsuruoka, Takayuki Nakajima, Maki Kanda, Hiroshi Hayashi, Yoko Matsushima, Souichi Yoshikawa, Marie Nagata, Hiroshi Koike, Chieko Nagano, Kotaro Sekimura, Tsuneo Hashimoto, Ichiro Takano, Tetsuya Shindo
A simultaneous determination of amantadine, rimantadine, and memantine in processed products (deep-fried chicken, fried chicken, fried quail egg, and grilled chicken) with liquid chromatography tandem mass spectrometry (LC-MS/MS) was developed. This new method was also applicable for chicken tissue (muscle, liver, and gizzard) and eggs. The chromatographic separation was performed on a Kinetex(®) XB-C18 core-shell technology column using a mobile phase of acetonitrile and 0.1% formic acid in a 10mmol/L ammonium formate solution, resulting in the complete separation of isomers (rimantadine and memantine) and any other obstructive peaks from the sample matrices...
January 11, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28107483/genetic-divergence-in-domestic-japanese-quail-inferred-from-mitochondrial-dna-d-loop-and-microsatellite-markers
#17
Mitsuo Nunome, Mikiharu Nakano, Ryo Tadano, Ryoka Kawahara-Miki, Tomohiro Kono, Shinji Takahashi, Takaharu Kawashima, Akira Fujiwara, Keijiro Nirasawa, Makoto Mizutani, Yoichi Matsuda
To assess the genetic diversity of domestic Japanese quail (Coturnix japonica) populations, and their genetic relationships, we examined mitochondrial DNA (mtDNA) D-loop sequences and microsatellite markers for 19 Japanese quail populations. The populations included nine laboratory lines established in Japan (LWC, Quv, RWN, WE, AWE, AMRP, rb-TKP, NIES-L, and W), six meat-type quail lines reimported from Western countries (JD, JW, Estonia, NIES-Br, NIES-Fr, and NIES-Hn), one commercial population in Japan, and three wild quail populations collected from three Asian areas...
2017: PloS One
https://www.readbyqxmd.com/read/28106824/identification-of-the-muc2-promoter-as-a-strong-promoter-for-intestinal-gene-expression-through-generation-of-transgenic-quail-expressing-gfp-in-gut-epithelial-cells
#18
Rachel M Woodfint, Paula R Chen, Jinsoo Ahn, Yeunsu Suh, Seongsoo Hwang, Sang Suk Lee, Kichoon Lee
Identification of tissue- and stage-specific gene promoters is valuable for delineating the functional roles of specific genes in genetically engineered animals. Here, through the comparison of gene expression in different tissues by analysis of a microarray database, the intestinal specificity of mucin 2 (MUC2) expression was identified in mice and humans, and further confirmed in chickens by RT-PCR (reverse transcription-PCR) analysis. An analysis of cis-acting elements in avian MUC2 gene promoters revealed conservation of binding sites, within a 2...
January 19, 2017: International Journal of Molecular Sciences
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
#19
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
#20
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
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