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https://www.readbyqxmd.com/read/28231696/performance-differences-of-rhode-island-red-bashang-long-tail-chicken-and-their-reciprocal-crossbreds-under-natural-cold-stress
#1
Shanshan Xie, Xukai Yang, Yahui Gao, Wenjie Jiao, Xinghua Li, Yajie Li, Zhonghua Ning
Objective: The Bashang Long-tail chicken (BS), an indigenous Chinese breed, is considered cold tolerant. We selected BS, the Rhode Island Red (RIR), and their reciprocal crossbreds for the present study. The objectives were: 1) to validate whether BS is cold tolerant and whether egg production and cold tolerance of crossbreds could be improved; and 2) to determine the physiological characteristics that underlie cold tolerance and favorable egg production performance in cold environments...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231537/release-kinetics-of-esterified-p-coumaric-acid-and-ferulic-acid-from-rice-straw-in-mild-alkaline-solution
#2
Tran Ngoc Linh, Hirokata Fujita, Akiyoshi Sakoda
The release kinetics of esterified p-coumaric acid (PCA) and ferulic acid (FA) from rice straw under a mild alkaline condition were investigated to collect fundamental data for the design of a recovery process. The results showed that the straw size, NaOH concentration, and temperature were the key parameters governing release kinetics. The analysis demonstrated that FA is released considerably faster than PCA. The close relationship between lignin and the PCA dissolution indicates a reciprocal and/or simultaneous release...
February 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28231342/nonlinear-image-registration-with-bidirectional-metric-and-reciprocal-regularization
#3
Shihui Ying, Dan Li, Bin Xiao, Yaxin Peng, Shaoyi Du, Meifeng Xu
Nonlinear registration is an important technique to align two different images and widely applied in medical image analysis. In this paper, we develop a novel nonlinear registration framework based on the diffeomorphic demons, where a reciprocal regularizer is introduced to assume that the deformation between two images is an exact diffeomorphism. In detail, first, we adopt a bidirectional metric to improve the symmetry of the energy functional, whose variables are two reciprocal deformations. Secondly, we slack these two deformations into two independent variables and introduce a reciprocal regularizer to assure the deformations being the exact diffeomorphism...
2017: PloS One
https://www.readbyqxmd.com/read/28231331/mesenchymal-stromal-cells-mscs-induce-ex-vivo-proliferation-and-erythroid-commitment-of-cord-blood-haematopoietic-stem-cells-cb-cd34-cells
#4
Simone Perucca, Andrea Di Palma, Pier Paolo Piccaluga, Claudia Gemelli, Elisa Zoratti, Giulio Bassi, Edoardo Giacopuzzi, Andrea Lojacono, Giuseppe Borsani, Enrico Tagliafico, Maria Teresa Scupoli, Simona Bernardi, Camilla Zanaglio, Federica Cattina, Valeria Cancelli, Michele Malagola, Mauro Krampera, Mirella Marini, Camillo Almici, Sergio Ferrari, Domenico Russo
A human bone marrow-derived mesenchymal stromal cell (MSCs) and cord blood-derived CD34+ stem cell co-culture system was set up in order to evaluate the proliferative and differentiative effects induced by MSCs on CD34+ stem cells, and the reciprocal influences on gene expression profiles. After 10 days of co-culture, non-adherent (SN-fraction) and adherent (AD-fraction) CD34+ stem cells were collected and analysed separately. In the presence of MSCs, a significant increase in CD34+ cell number was observed (fold increase = 14...
2017: PloS One
https://www.readbyqxmd.com/read/28231323/even-good-bots-fight-the-case-of-wikipedia
#5
Milena Tsvetkova, Ruth García-Gavilanes, Luciano Floridi, Taha Yasseri
In recent years, there has been a huge increase in the number of bots online, varying from Web crawlers for search engines, to chatbots for online customer service, spambots on social media, and content-editing bots in online collaboration communities. The online world has turned into an ecosystem of bots. However, our knowledge of how these automated agents are interacting with each other is rather poor. Bots are predictable automatons that do not have the capacity for emotions, meaning-making, creativity, and sociality and it is hence natural to expect interactions between bots to be relatively predictable and uneventful...
2017: PloS One
https://www.readbyqxmd.com/read/28231278/interplay-between-fungicides-and-parasites-tebuconazole-but-not-copper-suppresses-infection-in-a-daphnia-metschnikowia-experimental-model
#6
Ana P Cuco, Nelson Abrantes, Fernando Gonçalves, Justyna Wolinska, Bruno B Castro
Natural populations are commonly exposed to complex stress scenarios, including anthropogenic contamination and their biological enemies (e.g., parasites). The study of the pollutant-parasite interplay is especially important, given the need for adequate regulations to promote improved ecosystem protection. In this study, a host-parasite model system (Daphnia spp. and the microparasitic yeast Metschnikowia bicuspidata) was used to explore the reciprocal effects of contamination by common agrochemical fungicides (copper sulphate and tebuconazole) and parasite challenge...
2017: PloS One
https://www.readbyqxmd.com/read/28230856/ginsenoside-rg5-increases-cardiomyocyte-resistance-to-ischemic-injury-through-regulation-of-mitochondrial-hexokinase-ii-and-dynamin-related-protein-1
#7
Yi-Lin Yang, Jia Li, Kang Liu, Lei Zhang, Qun Liu, Baolin Liu, Lian-Wen Qi
Hexokinase-II (HK-II) and dynamin-related protein 1 (Drp1) regulate mitochondrial function differently. This study was designed to investigate the cardioprotective effect of ginsenoside Rg5 (Rg5) with emphasis on the regulation of mitochondrial HK-II and Drp1. Saturated acid palmitate (PA) stimulation increased lactate accumulation and induced cellular acidification by impairing the activity of pyruvate dehydrogenase (PDH) in cardiomyocytes, leading to HK-II dissociation from mitochondria. Rg5 improved PDH activity and prevented cellular acidification by combating fatty-acid oxidation, contributing to protecting mitochondrial HK-II...
February 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28230383/the-interplay-between-personality-and-cognitive-ability-across-12-years-in-middle-and-late-adulthood-evidence-for-reciprocal-associations
#8
Markus Wettstein, Benjamin Tauber, Elżbieta Kuźma, Hans-Werner Wahl
Research on relationships between personality and cognitive abilities has so far resulted in inconsistent findings regarding the strength of the associations. Moreover, relationships have rarely been compared longitudinally and bidirectionally between midlife versus late-life cohorts by considering different personality traits as well as multiple cognitive domains over a long-term follow-up period. We hypothesize that the interplay between the "Big Five" personality traits (Neuroticism, Extraversion, Openness to Experience, Agreeableness and Conscientiousness) and cognitive abilities (information processing speed, crystallized intelligence, fluid intelligence) may change from midlife to old age due to age-associated changes in cognitive and personality plasticity...
February 23, 2017: Psychology and Aging
https://www.readbyqxmd.com/read/28229938/participation-of-ghrelin-signalling-in-the-reciprocal-regulation-of-hypothalamic-npy-pomc-mediated-appetite-control-in-amphetamine-treated-rats
#9
Ching-Han Yu, Shu-Chen Chu, Pei-Ni Chen, Yih-Shou Hsieh, Dong-Yih Kuo
Hypothalamic neuropeptide Y (NPY) and proopiomelanocortin (POMC) have been documented to participate in amphetamine (AMPH)-induced appetite suppression. This study investigated whether ghrelin signalling is associated with changes in NPY/POMC-mediated appetite control. Rats were given AMPH daily for four days, and changes in food intake, body weight, plasma ghrelin, hypothalamic NPY, melanocortin 3 receptor (MC3R), ghrelin O-acyltransferase (GOAT), acyl ghrelin (AG) and ghrelin receptor (GHSR1a) were examined and compared...
February 13, 2017: Appetite
https://www.readbyqxmd.com/read/28229564/diversification-of-hox-gene-clusters-in-osteoglossomorph-fish-in-comparison-to-other-teleosts-and-the-spotted-gar-outgroup
#10
Kyle J Martin, Peter W H Holland
An ancient genome duplication (TGD or 3R) occurred in teleost fish after divergence from the lineage leading to gar. This genome duplication is shared by the three extant teleost lineages: Osteoglossomorpha (bony-tongues), Elopomorpha (eels and tarpons), and Clupeocephala (a large clade including salmon, carp, medaka, zebrafish, cichlids, pufferfish, stickleback, and ∼26,000 other species). After TGD, different clupeocephalan species retained different gene duplicates; this is seen clearly in Hox gene clusters but extends to all genes...
February 23, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/28228585/fixation-target-representation-in-prefrontal-cortex-during-the-anti-saccade-task
#11
Xin Zhou, Christos Constantinidis
Neurons that discharge strongly during the time period of fixation of a visual target and cease to discharge prior to saccade initiation have been described in the brain stem, superior colliculus, and cortical areas. In subcortical structures, fixation neurons play a reciprocal role with saccadic neurons during the generation of eye movements. Their role in the dorsolateral prefrontal cortex is less obvious and it is not known if they are activated by fixation, inhibit saccade generation, or play a role in more complex functions such as the inhibition of inappropriate responses...
February 22, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28228263/reciprocal-regulation-between-53bp1-and-the-anaphase-promoting-complex-cyclosome-is-required-for-genomic-stability-during-mitotic-stress
#12
Thomas J Kucharski, Paul E Minshall, Mohamed Moustafa-Kamal, Andrew S Turnell, Jose G Teodoro
The anaphase-promoting complex/cyclosome (APC/C) is an E3 ubiquitin ligase that targets substrates for degradation to promote mitotic progression. Here, we show that the DNA damage response protein 53BP1 contains conserved KEN boxes that are required for APC/C-dependent degradation in early mitosis. Mutation of the 53BP1 KEN boxes stabilized the protein and extended mitotic duration, whereas 53BP1 knockdown resulted in a shorter and delayed mitosis. Loss of 53BP1 increased APC/C activity, and we show that 53BP1 is a direct APC/C inhibitor...
February 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28227316/dynamic-knee-muscle-co-contraction-quantified-during-walking
#13
Annachiara Strazza, Alessandro Mengarelli, Valentina Agostini, Marco Knaflitz, Laura Burattini, Sandro Fioretti, Francesco Di Nardo, Annachiara Strazza, Alessandro Mengarelli, Valentina Agostini, Marco Knaflitz, Laura Burattini, Sandro Fioretti, Francesco Di Nardo, Sandro Fioretti, Francesco Di Nardo, Annachiara Strazza, Valentina Agostini, Marco Knaflitz, Laura Burattini, Alessandro Mengarelli
The purpose of the present study was the quantification of the co-activation patterns of the knee extensor and flexor muscles during walking at self-selected speed and cadence. To this aim, the Statistical Gait Analysis, a recent methodology providing a statistical characterization of gait, was performed on surface EMG signals from Vastus Lateralis (VL) and Medial Hamstrings (MH) in 14 healthy young adult subjects. Muscular co-contraction was assessed as the overlapping period between activation intervals of agonist and antagonist muscles...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227184/neuromotor-response-of-the-leg-muscles-following-a-supine-stand-retraining-with-without-neuromuscular-electrical-stimulation-training-intervention-for-individuals-with-sci-a-case-series
#14
Stephen Canton, Kamyar Momeni, Arvind Ramanujam, Erica Garbarini, Gail F Forrest, Stephen Canton, Kamyar Momeni, Arvind Ramanujam, Erica Garbarini, Gail F Forrest, Arvind Ramanujam, Gail F Forrest, Stephen Canton, Kamyar Momeni, Erica Garbarini
The goal of this paper is to study the effects of supine and stand retraining (SRT) interventions with and without multi muscle neuromuscular electrical stimulation (NMES) on the neuromuscular EMG responses of the leg muscles for individuals with motor complete SCI during walking on a body-weight support (BWS) treadmill. The main outcome variables were EMG amplitude, integrated EMG and co-contraction indices (co-excitation and co-activation) collected during a 10-minute walking treadmill trial. Data was analyzed for the first, fifth and tenth minute of walking...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225716/divergent-functions-of-the-left-and-right-central-amygdala-in-visceral-nociception
#15
Katelyn E Sadler, Neal A McQuaid, Abigail C Cox, Marissa N Behun, Allison M Trouten, Benedict J Kolber
The left and right central amygdala (CeA) are limbic regions involved in somatic and visceral pain processing. These two nuclei are asymmetrically involved in somatic pain modulation; pain-like responses on both sides of the body are preferentially driven by the right CeA, and in a reciprocal fashion, nociceptive somatic stimuli on both sides of the body predominantly alter molecular and physiological activity in the right CeA. Unknown however, is whether this lateralization also exists in visceral pain processing, and furthermore, what function the left CeA has in modulating nociceptive information...
December 29, 2016: Pain
https://www.readbyqxmd.com/read/28225031/realizing-total-reciprocity-violation-in-the-phase-for-photon-scattering
#16
László Deák, László Bottyán, Tamás Fülöp, Dániel Géza Merkel, Dénes Lajos Nagy, Szilárd Sajti, Kai Sven Schulze, Hartmut Spiering, Ingo Uschmann, Hans-Christian Wille
Reciprocity is when wave or quantum scattering satisfies a symmetry property, connecting a scattering process with the reversed one. While reciprocity involves the interchange of source and detector, it is fundamentally different from rotational invariance, and is a generalization of time reversal invariance, occurring in absorptive media as well. Due to its presence at diverse areas of physics, it admits a wide variety of applications. For polarization dependent scatterings, reciprocity is often violated, but violation in the phase of the scattering amplitude is much harder to experimentally observe than violation in magnitude...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224293/health-without-care-vulnerability-medical-brain-drain-and-health-worker-responsibilities-in-underserved-contexts
#17
Yusuf Yuksekdag
There is a consensus that the effects of medical brain drain, especially in the Sub-Saharan African countries, ought to be perceived as more than a simple misfortune. Temporary restrictions on the emigration of health workers from the region is one of the already existing policy measures to tackle the issue-while such a restrictive measure brings about the need for quite a justificatory work. A recent normative contribution to the debate by Gillian Brock provides a fruitful starting point. In the first step of her defence of emigration restrictions, Brock provides three reasons why skilled workers themselves would hold responsibilities to assist with respect to vital needs of their compatriots...
February 21, 2017: Health Care Analysis: HCA: Journal of Health Philosophy and Policy
https://www.readbyqxmd.com/read/28224211/mechanisms-overseeing-myeloid-derived-suppressor-cell-production-in-neoplastic-disease
#18
REVIEW
Colleen S Netherby, Scott I Abrams
Perturbations in myeloid cell differentiation are common in neoplasia, culminating in immature populations known as myeloid-derived suppressor cells (MDSCs). MDSCs favor tumor progression due to their ability to suppress host immunity or promote invasion and metastasis. They are thought to originate from the bone marrow as a result of exposure to stromal- or circulating tumor-derived factors (TDFs). Although great interest has been placed on understanding how MDSCs function, less is known regarding how MDSCs develop at a transcriptional level...
February 21, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28222266/kinetic-and-diffusion-driven-instabilities-in-the-bromate-sulfite-ferrocyanide-system
#19
István Molnár, Istvan Szalai
The spatiotemporal dynamics of the Bromate-Sulfite-Ferrocyanide (BSF) reaction-diffusion system in a open one-side-fed reactor (OSFR) is investigated by numerical simulations. The results of the simulations are compared with experiments performed in an annular shape OSFR. Both kinetic and diffusion driven instabilities are identified in the model. There are two hydrogen ion consuming pathways in the mechanism, the partial oxidation of sulfite to dithionate and the oxidation of ferrocyanide by bromate ions. The dynamical effects of them are similar as they support the same negative feedback loop via sulfite ion...
February 21, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28222008/stability-analysis-of-discrete-time-neural-networks-with-time-varying-delay-via-an-extended-reciprocally-convex-matrix-inequality
#20
Chuan-Ke Zhang, Yong He, Lin Jiang, Qing-Guo Wang, Min Wu
This paper is concerned with the stability analysis of discrete-time neural networks with a time-varying delay. Assessment of the effect of time delays on system stability requires suitable delay-dependent stability criteria. This paper aims to develop new stability criteria for reduction of conservatism without much increase of computational burden. An extended reciprocally convex matrix inequality is developed to replace the popular reciprocally convex combination lemma (RCCL). It has potential to reduce the conservatism of the RCCL-based criteria without introducing any extra decision variable due to its advantage of reduced estimation gap using the same decision variables...
February 17, 2017: IEEE Transactions on Cybernetics
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