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https://www.readbyqxmd.com/read/28339969/the-quality-of-eggs-organic-and-nutraceutical-vs-conventional-and-their-technological-properties
#1
Agnieszka Filipiak-Florkiewicz, Katarzyna Deren, Adam Florkiewicz, Kinga Topolska, Leslaw Juszczak, Ewa Cieslik
The aim of the study was to compare the quality of commercially available eggs: organic (attested organic farm) - OE, nutraceutical (enriched in n-3 fatty acids) - NE, vs. conventional (cage raising system) - CE and their technological (emulsifying) properties. Their basic chemical composition (i.e., moisture, protein, fat, ash) as well as mineral (Na, K, Ca, Mg, Zn, Fe, Mn, Cu) contents were assessed, and fatty acid profiles were determined. Next, the suitability of the eggs for mayonnaise production was assessed...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339169/gesp-a-computer-program-for-modeling-genetic-effective-population-size-inbreeding-and-divergence-in-substructured-populations
#2
Fredrik Olsson, Linda Laikre, Ola Hössjer, Nils Ryman
The genetically effective population size (Ne) is of key importance for quantifying rates of inbreeding and genetic drift, and is often used in conservation management to set targets for genetic viability. The concept was developed for single, isolated populations and the mathematical means for analyzing the expected Ne in complex, subdivided populations have previously not been available. We recently developed such analytical theory and central parts of that work have now been incorporated into a freely available software tool presented here...
March 24, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28338717/divergences-in-hydraulic-architecture-form-an-important-basis-for-niche-differentiation-between-diploid-and-polyploid-betula-species-in-ne-china
#3
Wei-Wei Zhang, Jia Song, Miao Wang, Yan-Yan Liu, Na Li, Yong-Jiang Zhang, N Michele Holbrook, Guang-You Hao
Habitat differentiation between polyploid and diploid plants are frequently observed, with polyploids usually occupying more stressed environments. In woody plants, polyploidization can greatly affect wood characteristics but knowledge of its influences on xylem hydraulics is scarce. The four Betula species in NE China, representing two diploids and two polyploids with obvious habitat differentiation, provide an exceptional study system for investigating the impact of polyploidization on environmental adaptation of trees from the point view of xylem hydraulics...
February 13, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28336568/cholinergic-but-not-dopaminergic-or-noradrenergic-enhancement-sharpens-visual-spatial-perception-in-humans
#4
Caterina Gratton, Sahar Yousef, Esther Aarts, Deanna L Wallace, Mark D'Esposito, Michael A Silver
The neuromodulator acetylcholine (ACh) modulates spatial integration in visual cortex by altering the balance of inputs that generate neuronal receptive fields. These cholinergic effects may provide a neurobiological mechanism underlying the modulation of visual representations by visual spatial attention. However, the consequences of cholinergic enhancement on visuospatial perception in humans are unknown. We conducted two experiments to test whether enhancing cholinergic signaling selectively alters perceptual measures of visuospatial interactions in human subjects...
March 23, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28335351/modified-nanoemulsions-with-iron-oxide-for-magnetic-resonance-imaging
#5
Yongyi Fan, Rui Guo, Xiangyang Shi, Steven Allen, Zhengyi Cao, James R Baker, Su He Wang
A nanoemulsion (NE) is a surfactant-based, oil-in-water, nanoscale, high-energy emulsion with a mean droplet diameter of 400-600 nm. When mixed with antigen and applied nasally, a NE acts as a mucosal adjuvant and induces mucosal immune responses. One possible mechanism for the adjuvant effect of this material is that it augments antigen uptake and distribution to lymphoid tissues, where the immune response is generated. Biocompatible iron oxide nanoparticles have been used as a unique imaging approach to study the dynamics of cells or molecular migration...
November 25, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335092/effect-of-energy-density-and-virginiamycin-supplementation-in-diets-on-growth-performance-and-digestive-function-of-finishing-steers
#6
Juan Diego Navarrete, Martin F Montano, Constantino Raymundo, Jaime Salinas-Chavira, Noemi Torrentera, Richard Avery Zinn
Objective: In the study was determined the influence of virginiamycin supplementation on growth-performance and characteristics of digestion of cattle, decreasing dietary NEm from 2.22 to 2.10 Mcal/kg. Methods: Eighty crossbred beef steers (298.2 ± 6.3 kg) were used in a 152-d performance evaluation consisting of a 28-d adaptation period followed by a 124-d growing-finishing period. During the 124-d period steers were fed either a lesser energy dense (LED, 2.10 Mcal/kg NEm) or higher energy dense (HED, 2...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28335090/in-ovo-vaccination-using-eimeria-profilin-and-clostridium-perfringens-netb-proteins-in-montanide-ims-adjuvant-increases-protective-immunity-against-experimentally-induced-necrotic-enteritis
#7
Hyun Soon Lillehoj, Seung Ik Jang, Alfredo Panebra, Erik Peter Lillehoj, Laurent Dupuis, Juliette B Arous, Seung Kyoo Lee, Sung Taek Oh
Objective: The effects of vaccinating 18-day-old chicken embryos with the combination of recombinant Eimeria profilin plus Clostridium perfringens NetB proteins mixed in the Montanide IMS adjuvant on the chicken immune response to necrotic enteritis (NE) were investigated using an E. maxima/C. perfringens co-infection NE disease model that we previously developed. Methods: Eighteen-day-old broiler embryos were injected with 100 μl of PBS, profilin, profilin plus NetB, profilin plus NetB/Montanide adjuvant (IMS 106), and profilin plus Net-B/Montanide adjuvant (IMS 101)...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28333072/detection-of-circulating-tumor-cells-using-negative-enrichment-immunofluorescence-and-an-in-situ-hybridization-system-in-pancreatic-cancer
#8
Yu Xu, Tai Qin, Jing Li, Xiuchao Wang, Chuntao Gao, Chao Xu, Jihui Hao, Jingcheng Liu, Song Gao, He Ren
Pancreatic cancer (PC) is the most lethal type of gastrointestinal cancer, and early detection and monitoring is an urgent problem. Circulating tumor cells (CTCs) are emerging as a non-invasive biomarker for tumor detection. However, the low sensitivity is a main problem in the traditional CellSearch System for detecting CTCs, especially in patients with PC. In this study, we used negative enrichment (NE), immunofluorescence and in situ hybridization (FISH) of chromosome 8 (NE-iFISH) to capture and identify CTCs in PC patients...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28331984/structure-of-the-n-glycans-from-the-chlorovirus-ne-jv-1
#9
Immacolata Speciale, Irina Agarkova, Garry A Duncan, James L Van Etten, Cristina De Castro
Results from recent studies are breaking the paradigm that all viruses depend on their host machinery to glycosylate their proteins. Chloroviruses encode several genes involved in glycan biosynthesis and some of their capsid proteins are decorated with N-linked oligosaccharides with unique features. Here we describe the elucidation of the N-glycan structure of an unusual chlorovirus, NE-JV-1, that belongs to the Pbi group. The host for NE-JV-1 is the zoochlorella Micractinium conductrix. Spectroscopic analyses established that this N-glycan consists of a core region that is conserved in all of the chloroviruses...
March 22, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28331064/maternal-separation-diminishes-alpha-adrenergic-receptors-density-and-function-in-renal-vasculature-from-male-wistar-kyoto-rats
#10
Analia S Loria, Jeffrey L Osborn
Adult rats exposed to maternal separation (MatSep) are normotensive but display lower glomerular filtration rate and increased renal neuroadrenergic drive. The aim of this study was to determine the renal alpha-adrenergic receptor density and the renal vascular responsiveness to adrenergic stimulation in male rats exposed to MatSep. In addition, baroreflex sensitivity was assessed to determine a component of neural control of the vasculature. Using tissue collected from 4-month-old MatSep and control rats, alpha 1-adrenergic receptors (α1-ARs) were measured in renal cortex and isolated renal vasculature using receptor binding assay, and the α-AR subtype gene expression was determined by RT-PCR...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28330965/greater-sympathoadrenal-activation-with-longer-pre-ventilation-intervals-after-immediate-cord-clamping-increases-hemodynamic-lability-at-birth-in-preterm-lambs
#11
Joseph J Smolich, Kelly R Kenna, Murray David Esler, Sarah E Phillips, Gavin W Lambert
This study tested the hypothesis that varying degrees of hemodynamic fluctuations seen after birth following immediate cord clamping were related to development of asphyxia with longer cord clamp-to-ventilation intervals, resulting in higher perinatal circulating levels of the catecholamines norepinephrine (NE) and epinephrine (Epi), and thus increased heart rate, blood pressures and cardiac contractility after birth. Anesthetized preterm fetal lambs were instrumented with 1) aortic (AoT) and pulmonary trunk (PT) micromanometers to obtain pressures and the maximal rate of pressure rise (dP/dtmax) as a surrogate measure of ventricular contractility, and 2) an AoT catheter to obtain samples for blood gas and catecholamine analyses...
March 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28330693/evaluation-of-sediment-contamination-by-monoaromatic-hydrocarbons-in-the-coastal-lagoons-of-gulf-of-saros-ne-aegean-sea
#12
Selma Ünlü, Bedri Alpar
The concentrations and distribution of monoaromatic hydrocarbons (benzene, toluene, ethyl benzene and the sum of m-, p- and o-, xylenes) were determined in the sediments of coastal lagoons of the Gulf of Saros, using a static headspace GC-MS. The total concentrations of BTEX compounds ranged from 368.5 to below detection limit 0.6μgkg(-1) dw, with a mean value of 61.5μgkg(-1) dw. The light aromatic fraction of m-, p-xylene was the most abundant compound (57.1% in average), and followed by toluene (38.1%)>ethylbenzene (4...
March 19, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28328698/reduced-sufentanil-doses-are-effective-for-postoperative-analgesia-after-ductal-closure-in-extremely-premature-infants-a-10-years-retrospective-cohort-study
#13
Yohan Soreze, Etienne Audureau, Fabrice Decobert, Olivier Jaby, Sabine Blary, Claude Danan, Xavier Durrmeyer
OBJECTIVES: The objective of the study was to assess the efficacy of reduced sufentanil doses for postoperative analgesia following surgical ductal closure in extremely premature infants. METHODS: This was a retrospective, single-center, cohort study comparing 2 sufentanil dosing regimens used between 2001 and 2010 and included all infants born at <28 weeks of gestation with surgical ductal closure. Sufentanil doses were reduced in 2007 as a standard of care...
March 21, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28325557/effects-of-new-antiarrhythmic-agent-ss-68-on-excitation-conduction-electrical-activity-in-purkinje-fibers-and-pulmonary-veins-assessment-of-safety-and-side-effects-risk
#14
Saida K Bogus, Vladislav S Kuzmin, Denis V Abramochkin, Konstantin F Suzdalev, Pavel A Galenko-Yaroshevsky
The compound SS-68 has been selected among numerous new derivatives of indole and demonstrated antiarrhythmic effects in animal models. The present study concerns several aspects of SS-68 safety and efficacy as a potential antiarrhythmic drug. The first estimation of atrioventricular conduction in mammalian heart under SS-68 has been carried out; effects of SS-68 in Purkinje fibers and myocardium of pulmonary veins have been investigated. The drug weakly affects cardiac atrioventricular conduction: only high concentrations of SS-68 (≥10 μmol/L) significantly decrease this parameter...
March 2, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28324703/arousal-amplifies-biased-competition-between-high-and-low-priority-memories-more-in-women-than-in-men-the-role-of-elevated-noradrenergic-activity
#15
David Clewett, Michiko Sakaki, Ringo Huang, Shawn E Nielsen, Mara Mather
Recent findings indicate that emotional arousal can enhance memory consolidation of goal-relevant stimuli while impairing it for irrelevant stimuli. According to one recent model, these goal-dependent memory tradeoffs are driven by arousal-induced release of norepinephrine (NE), which amplifies neural gain in target sensory and memory processing brain regions. Past work also shows that ovarian hormones modulate activity in the same regions thought to support NE's effects on memory, such as the amygdala, suggesting that men and women may be differentially susceptible to arousal's dual effects on episodic memory...
February 24, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28323864/population-genetic-structure-of-eelgrass-zostera-marina-on-the-korean-coast-current-status-and-conservation-implications-for-future-management
#16
Jae Hwan Kim, Ji Hyoun Kang, Ji Eun Jang, Sun Kyeong Choi, Min Ji Kim, Sang Rul Park, Hyuk Je Lee
Seagrasses provide numerous ecosystem services for coastal and estuarine environments, such as nursery functions, erosion protection, pollution filtration, and carbon sequestration. Zostera marina (common name "eelgrass") is one of the seagrass bed-forming species distributed widely in the northern hemisphere, including the Korean Peninsula. Recently, however, there has been a drastic decline in the population size of Z. marina worldwide, including Korea. We examined the current population genetic status of this species on the southern coast of Korea by estimating the levels of genetic diversity and genetic structure of 10 geographic populations using eight nuclear microsatellite markers...
2017: PloS One
https://www.readbyqxmd.com/read/28322300/noncanonical-nf-%C3%AE%C2%BAb-mediates-the-suppressive-effect-of-neutrophil-elastase-on-il-8-cxcl8-by-inducing-nkrf-in-human-airway-smooth-muscle
#17
Shu-Chuan Ho, Sheng-Ming Wu, Po-Hao Feng, Wen-Te Liu, Kuan-Yuan Chen, Hsiao-Chi Chuang, Yao-Fei Chan, Lu-Wei Kuo, Kang-Yun Lee
Neutrophil elastase (NE) suppresses IL-8/CXCL8 in human airway smooth muscle cells (hASM) while stimulating its production in respiratory epithelial cells. This differential effect is mediated by the selective induction of NKRF and dysregulation in chronic inflammatory diseases. We hypothesized that the differential activation of NF-κB subunits confer the opposite effect of NKRF on IL-8/CXCL8 in primary hASM and A549 cells stimulated with NE. The events occurring at the promoters of NKRF and IL-8/CXCL8 were observed by ChIP assays, and the functional role of RelB was confirmed by knockdown and overexpression...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28319954/comparison-of-initial-vasopressors-used-for-delayed-cerebral-ischemia-after-aneurysmal-subarachnoid-hemorrhage
#18
Bhaskar Roy, Louise D McCullough, Rajat Dhar, James Grady, Yu-Bo Wang, Robert J Brown
BACKGROUND: The main reason for morbidity after aneurysmal subarachnoid hemorrhage (aSAH) is delayed cerebral ischemia (DCI). The mainstay of medical therapy for treating DCI is induced hypertension with vasopressors to restore cerebral perfusion. Both phenylephrine (PE) and norepinephrine (NE) are commonly used for induced hypertension, but the impact of the initial choice of vasopressor on the efficacy, adverse effects, or outcome after hemodynamic therapy for DCI is unknown. METHODS: Sixty-three patients with aSAH between January 2012 and October 2014, who developed DCI (defined as new focal deficit or decline in Glasgow Coma Score) and in which PE (n = 45) or NE (n = 18) treatment was initiated were evaluated in this retrospective study...
March 21, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28319139/identification-of-cell-morphology-parameters-from-automatic-hematology-analyzers-to-predict-the-peripheral-blood-cd34-positive-cell-count-after-mobilization
#19
Saeam Shin, Sung Ran Cho, Sinyoung Kim, Jong Rak Choi, Kyung-A Lee
Optimal timing of apheresis initiation is important for maximizing the hematopoietic stem cell (HSC) yield. This study aimed to identify useful parameters from automatic hematology analyzers for predicting the peripheral blood CD34+ cell count after mobilization. We prospectively enrolled 53 healthy donors and 72 patients, and evaluated 43 cell morphology parameters from Unicel DxH800 (Beckman Coulter, USA) and Advia 2120i (Siemens Healthcare Diagnostics, USA). The correlation of each parameter with the CD34+ cell count in pre-apheresis blood samples was analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28319070/foxa1-inhibits-prostate-cancer-neuroendocrine-differentiation
#20
J Kim, H Jin, J C Zhao, Y A Yang, Y Li, X Yang, X Dong, J Yu
Neuroendocrine prostate cancer (NEPC) has increasingly become a clinical challenge. The mechanisms by which neuroendocrine (NE) cells arises from prostate adenocarcinoma cells are poorly understood. FOXA1 is a transcription factor of the forkhead family that is required for prostate epithelial differentiation. In this study, we demonstrated that FOXA1 loss drives NE differentiation, demarcated by phenotypical changes and NEPC marker expressions. Mechanistically, this is mediated by FOXA1 binding to the promoter of interleukin 8 (IL-8), a chemokine previously shown elevated in NEPC, to directly inhibit its expression...
March 20, 2017: Oncogene
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