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https://www.readbyqxmd.com/read/28527398/quantitative-comparison-between-real-space-and-bloch-wave-methods-in-image-simulation
#1
Yi Yang, Qibin Yang, Jianyu Huang, Canying Cai, Jianguo Lin
Both Bloch wave (BW) and real space multislice (RS-MS) methods are based on the Schrödinger equation. The BW method is considered to be the most accurate and popular simulation method used in various simulations, and it has solved many crystallographic problems. In this paper, we verified that the aforementioned two methods are similar to each other with minor difference. First, the RS-MS method is implemented in the real space, while the BW method is carried out in the reciprocal space. Furthermore, by quantitatively calculating exit wavefunctions of four crystals, i...
April 27, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28526731/validated-bayesian-differentiation-of-causative-and-passenger-mutations
#2
Frederick R Cross, Michal Breker, Kristi Lieberman
In many contexts, the problem arises of determining which of many candidate mutations is the most likely to be causative for some phenotype. It is desirable to have a way to evaluate this probability that relies as little as possible on previous knowledge, to avoid bias against discovering new genes or functions. We are isolating mutants with blocked cell cycle progression in Chlamydomonas, and determining mutant genome sequences. Due to the intensity of UV mutagenesis required for efficient mutant collection, the mutants contain multiple mutations altering coding sequence...
May 19, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28525960/the-behavioral-and-neural-signatures-of-distinct-conceptions-of-fairness
#3
Laura Niemi, Emily Wasserman, Liane Young
Adhering to standard procedures (impartiality), returning favors (reciprocity), or giving based on individuals' needs (charity) may all be considered moral and/or fair ways to allocate resources. However, these allocation behaviors may be perceived as differently motivated, and their moral evaluation may make different demands on theory of mind (ToM)-the capacity to process information about mental states, including motives. In Studies 1-2, we examined participants' moral judgments of allocations based on (a) impartiality, (b) reciprocity, (c) charity, and (d) unspecified criteria as depicted in vignettes, as well as participants' perceptions of allocators' motivations...
May 19, 2017: Social Neuroscience
https://www.readbyqxmd.com/read/28525822/the-interplay-between-diabetes-depression-and-affective-temperaments-a-structural-equation-model
#4
Martino Belvederi Murri, Sara Mamberto, Lucia Briatore, Chiara Mazzucchelli, Mario Amore, Renzo Cordera
BACKGROUND: Diabetes and depression are reciprocally linked, but few studies modeled their interplay considering the influence of affective temperaments (AT) and demographic factors. METHODS: Participants with type 1 and type 2 diabetes (T1DM and T2DM, n=279) recruited from Diabetes Units were assessed with the Beck Depression Inventory (BDI), Temperament Evaluation of Memphis, Pisa, Paris and San Diego-autoquestionnaire version (TEMPS-A), Morisky Medication Adherence Scale (MMAS), Diabetes Distress Scale (DDS) and Cumulative Illness Rating Scales (CIRS)...
May 11, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28525743/bromodomain-protein-brd4-is-a-transcriptional-repressor-of-autophagy-and-lysosomal-function
#5
Jun-Ichi Sakamaki, Simon Wilkinson, Marcel Hahn, Nilgun Tasdemir, Jim O'Prey, William Clark, Ann Hedley, Colin Nixon, Jaclyn S Long, Maria New, Tim Van Acker, Sharon A Tooze, Scott W Lowe, Ivan Dikic, Kevin M Ryan
Autophagy is a membrane-trafficking process that directs degradation of cytoplasmic material in lysosomes. The process promotes cellular fidelity, and while the core machinery of autophagy is known, the mechanisms that promote and sustain autophagy are less well defined. Here we report that the epigenetic reader BRD4 and the methyltransferase G9a repress a TFEB/TFE3/MITF-independent transcriptional program that promotes autophagy and lysosome biogenesis. We show that BRD4 knockdown induces autophagy in vitro and in vivo in response to some, but not all, situations...
May 18, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28525354/the-relationship-between-insulin-resistance-and-endothelial-dysfunction-in-obese-adolescents
#6
Preneet Cheema Brar, Payal Patel, Stuart Katz
BACKGROUND: Insulin resistance and endothelial dysfunction share a reciprocal relationship that links the metabolic and cardiovascular sequelae of obesity. We characterized the brachial artery reactivity testing (BART) and carotid artery-intima media thickness (CIMT) in adolescents categorized as obese insulin resistant (OIR) and obese not insulin resistant (ONIR). Lipoprotein particle (p) analysis and inflammatory cytokines in OIR and ONIR groups were also analyzed. METHODS: Obese adolescents (n=40; mean body mass index [BMI] 35...
May 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28523966/relationship-centered-dementia-care-insights-from-a-community-based-culture-change-coalition
#7
Lorna de Witt, Darla Fortune
This article reports on the work of a community-based culture change coalition affiliated with the Partnerships in Dementia Care Alliance, a research network committed to strengthening dementia care through supporting relationship-centered care approaches. Research to date emphasizes negative aspects of dementia care relationships. Drawing on data the culture change coalition collected as part of their culture change work using participatory action research guided by appreciative inquiry, this article examines what relationship qualities contributed to positive dementia care experiences and how positive relationships were created...
January 1, 2017: Dementia
https://www.readbyqxmd.com/read/28523758/iconicity-in-the-speech-of-children-and-adults
#8
Lynn K Perry, Marcus Perlman, Bodo Winter, Dominic W Massaro, Gary Lupyan
Iconicity - the correspondence between form and meaning - may help young children learn to use new words. Early-learned words are higher in iconicity than later learned words. However, it remains unclear what role iconicity may play in actual language use. Here, we ask whether iconicity relates not just to the age at which words are acquired, but also to how frequently children and adults use the words in their speech. If iconicity serves to bootstrap word learning, then we would expect that children should say highly iconic words more frequently than less iconic words, especially early in development...
May 18, 2017: Developmental Science
https://www.readbyqxmd.com/read/28522864/quantitative-inheritance-of-volatile-pheromones-and-darcin-and-their-interaction-in-olfactory-preferences-of-female-mice
#9
Ying-Juan Liu, Hui-Fen Guo, Jian-Xu Zhang, Yao-Hua Zhang
In this study, we examined how urine-borne volatile compounds (UVCs) and darcin of male mice are inherited from parents and interact to modulate the olfactory preferences of females using two inbred strains of mice, C57Bl/6 (C57) and BALB/c (BALB), and their reciprocal hybrids (BC = BALB♀× C57♂; CB = C57♀ × BALB♂). Chemical analysis revealed that the UVCs of C57BL/6 males were quantitatively distinguishable from those of BALB/c males. Darcin was detected in C57 urine, but not in BALB urine...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522567/myeloid-epithelial-crosstalk-coordinates-synthesis-of-the-tissue-protective-cytokine-leukemia-inhibitory-factor-during-pneumonia
#10
Katrina E Traber, Elise M Symer, Eri Allen, Yuri Kim, Kristie L Hilliard, Gregory A Wasserman, Colin L Stewart, Matthew R Jones, Joseph P Mizgerd, Lee Joseph Quinton
In bacterial pneumonia, lung damage resulting from epithelial cell injury is a major contributor to the severity of disease, and in some cases, can lead to long-term sequelae, especially in the setting of severe lung injury or ARDS. Leukemia inhibitory factor (LIF), a member of the IL-6 cytokine family, is a critical determinant of lung tissue protection during pneumonia, but the cellular sources of LIF and the signaling pathways leading to its production in the infected lung are not known. Here, we demonstrate that lung epithelium, specifically alveolar type II cells, is the predominant site of LIF transcript induction in pneumonic mouse lungs...
May 18, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28521956/comparative-life-cycle-assessment-of-alternative-strategies-for-energy-recovery-from-used-cooking-oil
#11
Lidia Lombardi, Barbara Mendecka, Ennio Carnevale
The separate collection of Used Cooking Oil (UCO) is gaining popularity through several countries in Europe. An appropriate management of UCO waste stream leads to substantial benefits. In this study, we analyse two different possibilities of UCO energy reuse: the direct feed to a reciprocating internal combustion engine (ICE) for cogeneration purpose, and the processing to generate biodiesel. Concerning biodiesel production, we analyse four among conventional and innovative technologies, characterised by different type and amount of used chemicals, heat and electricity consumptions and yields...
May 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28521939/developmental-and-evolutionary-mechanisms-shaping-butterfly-eyespots
#12
REVIEW
Patrícia Beldade, Carolina M Peralta
Butterfly eyespots are visually compelling models to study the reciprocal interactions between evolutionary and developmental processes that shape phenotypic variation. They are evolutionarily diversified, ecologically relevant, and developmentally tractable, and have made key contributions to linking genotype, development, phenotype and fitness. Advances in the availability of analytical tools (e.g. gene editing and visualization techniques) and resources (e.g. genomic and transcriptomic data) are boosting the detailed dissection of the mechanisms underlying eyespot development and evolution...
February 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28521174/high-degree-of-specificity-in-the-association-between-symbiotic-betaproteobacteria-and-the-host-euplotes-ciliophora-euplotia
#13
Claudia Vannini, Cristiana Sigona, Martin Hahn, Giulio Petroni, Masahiro Fujishima
The Betaproteobacteria-Euplotes association is an obligatory symbiotic system involving a monophyletic group of ciliate species and two betaproteobacteria species which can be alternatively present. Recent data showed that this relationship has been established more than once and that several symbiont-substitution events took place, revealing a complex and intriguing evolutionary path. Due to the different evolutionary pathways followed by the different symbionts, each bacterial strain could have differentially evolved and/or lost functional traits...
April 13, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/28516321/evaluating-local-adaptation-of-a-complex-phenotype-reciprocal-tests-of-pigmy-rattlesnake-venoms-on-treefrog-prey
#14
Sarah A Smiley-Walters, Terence M Farrell, H Lisle Gibbs
Theory predicts that predator-prey interactions can generate reciprocal selection pressures on species pairs, which can result in local adaptation, yet the presence and pattern of local adaptation is poorly studied in vertebrate predator-prey systems. Here, we used a reciprocal common garden (laboratory) experimental design involving comparisons between local and foreign populations to determine if local adaptation was present between a generalist predator-the pigmy rattlesnake (Sistrurus miliarius)-and a co-occurring prey-the squirrel treefrog (Hyla squirella)...
May 17, 2017: Oecologia
https://www.readbyqxmd.com/read/28515839/hypotensive-responses-of-reciprocal-supersets-versus-traditional-resistance-training-in-apparently-healthy-men
#15
Claudio M Bentes, Pablo B Costa, Victor G Corrêa Neto, Roberto Simão, Gabriel A Paz, Marianna F Maia, Tiago Figueiredo, Gabriel R Neto, Jefferson S Novaes, Humberto Miranda
The purpose of this study was to compare the hypotensive responses of reciprocal supersets (SS) versus traditional training (TRAD) methods. Thirteen men with at least five years of recreational experience in resistance training (RT) volunteered for the study. When completing the TRAD protocol, participants performed the following exercises separately in sequence: chest press (CP), low row (LR), leg extension (LE), leg curl (LC), pull down (PD), and shoulder press (SP). The SS method required participants to complete the same exercises as in the TRAD protocol, but exercises were coupled such that muscles sequentially served both as an agonist for lift one and then antagonist for lift two and vice versa...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28515783/trans-generational-plasticity-in-response-to-immune-challenge-is-constrained-by-heat-stress
#16
Olivia Roth, Susanne H Landis
Trans-generational plasticity (TGP) is the adjustment of phenotypes to changing habitat conditions that persist longer than the individual lifetime. Fitness benefits (adaptive TGP) are expected upon matching parent-offspring environments. In a global change scenario, several performance-related environmental factors are changing simultaneously. This lowers the predictability of offspring environmental conditions, potentially hampering the benefits of TGP. For the first time, we here explore how the combination of an abiotic and a biotic environmental factor in the parental generation plays out as trans-generational effect in the offspring...
June 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/28515358/irf5-distinguishes-severe-asthma-in-humans-and-drives-th1-phenotype-and-airway-hyperreactivity-in-mice
#17
Timothy B Oriss, Mahesh Raundhal, Christina Morse, Rachael E Huff, Sudipta Das, Rachel Hannum, Marc C Gauthier, Kathryn L Scholl, Krishnendu Chakraborty, Seyed M Nouraie, Sally E Wenzel, Prabir Ray, Anuradha Ray
Severe asthma (SA) is a significant problem both clinically and economically, given its poor response to corticosteroids (CS). We recently reported a complex type 1-dominated (IFN-γ-dominated) immune response in more than 50% of severe asthmatics despite high-dose CS treatment. Also, IFN-γ was found to be critical for increased airway hyperreactivity (AHR) in our model of SA. The transcription factor IRF5 expressed in M1 macrophages can induce a Th1/Th17 response in cocultured human T cells. Here we show markedly higher expression of IRF5 in bronchoalveolar lavage (BAL) cells of severe asthmatics as compared with that in cells from milder asthmatics or healthy controls...
May 18, 2017: JCI Insight
https://www.readbyqxmd.com/read/28515113/force-sensing-catheters-during-pediatric-radiofrequency-ablation-the-federation-study
#18
Aarti S Dalal, Hoang H Nguyen, Tammy Bowman, George F Van Hare, Jennifer N Avari Silva
BACKGROUND: Based on data from studies of atrial fibrillation ablations, optimal parameters for the TactiCath (TC; St. Jude Medical, Inc) force-sensing ablation catheter are a contact force of 20 g and a force-time integral of 400 g·s for the creation of transmural lesions. We aimed to evaluate TC in pediatric and congenital heart disease patients undergoing ablation. METHODS AND RESULTS: Comprehensive chart and case reviews were performed from June 2015 to March 2016...
May 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28515049/a-generalized-linear-model-for-decomposing-cis-regulatory-parent-of-origin-and-maternal-effects-on-allele-specific-gene-expression
#19
Yasuaki Takada, Ryutaro Miyagi, Aya Takahashi, Toshinori Endo, Naoki Osada
Joint quantification of genetic and epigenetic effects on gene expression is important for understanding the establishment of complex gene regulation systems in living organisms. In particular, genomic imprinting and maternal effects play important roles in the developmental process of mammals and flowering plants. However, the influence of these effects on gene expression are difficult to quantify because they act simultaneously with cis-regulatory mutations. Here we propose a simple method to decompose cis-regulatory (i...
May 17, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28514967/at1-receptor-response-to-non-saturating-ang-ii-concentrations-is-amplified-by-calcium-channel-blockers
#20
Kristoffer Bernhem, Kalaiselvan Krishnan, Alexander Bondar, Hjalmar Brismar, Anita Aperia, Lena Scott
BACKGROUND: Blockers of angiotensin II type 1 receptor (AT1R) and the voltage gated calcium channel 1.2 (CaV1.2) are commonly used for treatment of hypertension. Yet there is little information about the effect of physiological concentrations of angiotensin II (AngII) on AT1R signaling and whether there is a reciprocal regulation of AT1R signaling by CaV1.2. METHODS: To elucidate these questions, we have studied the Ca(2+) signaling response to physiological and pharmacological AngII doses in HEK293a cells, vascular smooth muscle cells and cardiomyocytes using a Ca(2+) sensitive dye as the principal sensor...
May 17, 2017: BMC Cardiovascular Disorders
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