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https://www.readbyqxmd.com/read/28647593/features-of-emotional-and-social-behavioral-phenotypes-of-calsyntenin2-knockout-mice
#1
S V Ranneva, K S Pavlov, A V Gromova, T G Amstislavskaya, T V Lipina
Calsyntenin-2 (Clstn2) is the synaptic protein that belongs to the super family of cadherins, playing an important role in learning and memory. We recently reported that Clstn2 knockout mice (Clstn2-KO) have a deficit of GABAergic interneurons coupled with hyperactivity and deficient spatial memory. Given, that impaired functioning of GABA receptors is linked to several psychopathologies, including anxiety and autism, we sought to further characterize Clstn2-KO mice with respect to emotional and social behavior...
June 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28647537/variation-in-compulsory-psychiatric-inpatient-admission-in-england-a-cross-classified-multilevel-analysis
#2
Scott Weich, Orla McBride, Liz Twigg, Craig Duncan, Patrick Keown, David Crepaz-Keay, Eva Cyhlarova, Helen Parsons, Jan Scott, Kamaldeep Bhui
BACKGROUND: The increasing rate of compulsory admission to psychiatric inpatient beds in England is worrying. Studying variation between places and services could be key to identifying targets for interventions to reverse this trend. We modelled spatial variation in compulsory admissions in England using national patient-level data and quantified the extent to which patient, local-area, and service-setting characteristics accounted for this variation. METHODS: This study is a cross-sectional, multilevel analysis of the 2010-11 Mental Health Minimum Data Set (MHMDS)...
June 21, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28645261/genome-wide-analysis-of-udp-glycosyltransferase-super-family-in-brassica-rapa-and-brassica-oleracea-reveals-its-evolutionary-history-and-functional-characterization
#3
Jingyin Yu, Fan Hu, Komivi Dossa, Zhaokai Wang, Tao Ke
BACKGROUND: Glycosyltransferases comprise a highly divergent and polyphyletic multigene family that is involved in widespread modification of plant secondary metabolites in a process called glycosylation. According to conserved domains identified in their amino acid sequences, these glycosyltransferases can be classified into a single UDP-glycosyltransferase (UGT) 1 superfamily. RESULTS: We performed genome-wide comparative analysis of UGT genes to trace evolutionary history in algae, bryophytes, pteridophytes, and angiosperms; then, we further investigated the expansion mechanisms and function characterization of UGT gene families in Brassica rapa and Brassica oleracea...
June 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28644634/semisuper-efimov-effect-of-two-dimensional-bosons-at-a-three-body-resonance
#4
Yusuke Nishida
Wave-particle duality in quantum mechanics allows for a halo bound state whose spatial extension far exceeds a range of the interaction potential. What is even more striking is that such quantum halos can be arbitrarily large on special occasions. The two examples known so far are the Efimov effect and the super Efimov effect, which predict that spatial extensions of higher excited states grow exponentially and double exponentially, respectively. Here, we establish yet another new class of arbitrarily large quantum halos formed by spinless bosons with short-range interactions in two dimensions...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28643362/-super-reducing-photocatalysis-consecutive-energy-and-electron-transfers-with-polycyclic-aromatic-hydrocarbons
#5
Malte Brasholz
Donation welcome: Recent developments in visible-light photocatalysis allow the utilization of increasingly negative reduction potentials. Successive energy and electron transfer with polycyclic aromatic hydrocarbons enables the catalytic formation of strongly reducing arene radical anions, classical stoichiometric reagents for one-electron reduction in organic synthesis.
June 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28642595/3d-bayesian-cluster-analysis-of-super-resolution-data-reveals-lat-recruitment-to-the-t-cell-synapse
#6
Juliette Griffié, Leigh Shlomovich, David J Williamson, Michael Shannon, Jesse Aaron, Satya Khuon, Garth L Burn, Lies Boelen, Ruby Peters, Andrew P Cope, Edward A K Cohen, Patrick Rubin-Delanchy, Dylan M Owen
Single-molecule localisation microscopy (SMLM) allows the localisation of fluorophores with a precision of 10-30 nm, revealing the cell's nanoscale architecture at the molecular level. Recently, SMLM has been extended to 3D, providing a unique insight into cellular machinery. Although cluster analysis techniques have been developed for 2D SMLM data sets, few have been applied to 3D. This lack of quantification tools can be explained by the relative novelty of imaging techniques such as interferometric photo-activated localisation microscopy (iPALM)...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642499/comprehensive-analysis-and-reinterpretation-of-cenozoic-mesofossils-reveals-ancient-origin-of-the-snapping-claw-of-alpheid-shrimps
#7
Matúš Hyžný, Andreas Kroh, Alexander Ziegler, Arthur Anker, Martin Košťák, Ján Schlögl, Adam Culka, John W M Jagt, René H B Fraaije, Mathias Harzhauser, Barry W M van Bakel, Andrej Ruman
Alpheid snapping shrimps (Decapoda: Caridea: Alpheidae) constitute one of the model groups for inferences aimed at understanding the evolution of complex structural, behavioural, and ecological traits among benthic marine invertebrates. Despite being a super-diverse taxon with a broad geographical distribution, the alpheid fossil record is still poorly known. However, data presented herein show that the strongly calcified fingertips of alpheid snapping claws are not uncommon in the fossil record and should be considered a novel type of mesofossil...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641770/does-vagotomy-protect-against-multiple-sclerosis
#8
Jens Sundbøll, Erzsébet Horváth-Puhó, Kasper Adelborg, Elisabeth Svensson
OBJECTIVES: To examine the association between vagotomy and multiple sclerosis. METHODS: We conducted a matched cohort study of all patients who underwent truncal or super-selective vagotomy and a comparison cohort, by linking Danish population-based medical registries (1977-1995). Hazard ratios (HRs) for multiple sclerosis, adjusting for potential confounders were computed by means of Cox regression analysis. RESULTS: Median age of multiple sclerosis onset corresponded to late onset multiple sclerosis...
July 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28641539/role-of-host-factors-on-the-regulation-of-tat-mediated-hiv-1-transcription
#9
Guillaume Mousseau, Susana T Valente
BACKGROUND: The viral transactivator Tat protein is a key modulator of HIV-1 replication, as it regulates transcriptional elongation from the integrated proviral genome. Tat recruits the human transcription elongation factor b, and other host proteins, such as the super elongation complex, to activate the cellular RNA polymerase II, normally stalled shortly after transcription initiation at the HIV promoter. By means of a complex set of interactions with host cellular factors, Tat determines the fate of viral activity within the infected cell...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28641503/embolization-of-a-large-progressive-symptomatic-desmoid-tumor-in-the-rectus-muscle-of-a-female-patient-with-multiple-sclerosis-a-case-report
#10
I Diebels, M Blockhuys, P Willemsen, Y Pirenne
INTRODUCTION: Desmoid tumors are benign tumors, yet can lead to significant morbidity due to aggressive local expansions. Treatment starts with a wait-and-see policy, however, more aggressive treatments like broad margin resection surgery might be necessary in case of tumor progression. PATIENTS AND METHODS: We report the case of a 26-year-old female with a symptomatic desmoid tumor in the left rectus muscle. The initial wait-and-see policy led to an increase in tumor size and progression of symptoms...
June 22, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28641259/face-hallucination-using-linear-models-of-coupled-sparse-support
#11
Reuben A Farrugia, Christine Guillemot
Most face super-resolution methods assume that low- and high-resolution manifolds have similar local geometrical structure, hence learn local models on the low-resolution manifold (e.g. sparse or locally linear embedding models), which are then applied on the high- resolution manifold. However, the low-resolution manifold is distorted by the one-to-many relationship between low- and high- resolution patches. This paper presents the Linear Model of Coupled Sparse Support (LM-CSS) method which learns linear models based on the local geometrical structure on the high-resolution manifold rather than on the low-resolution manifold...
June 19, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28640934/substrate-specificity-and-safener-inducibility-of-the-plant-udp-glucose-dependent-family-1-glycosyltransferases-super-family
#12
Melissa Brazier-Hicks, Markus Gershater, David Dixon, Robert Edwards
Plants contain large numbers of family 1 UDP-glucose dependent glycosyltransferases (UGTs), including members that conjugate xenobiotics. Arabidopsis contains 107 UGT genes with 99 family members successfully expressed as glutathione transferase (GST)-fusion proteins in E.coli. A high-throughput catalytic screen was developed based on quantification of the fusion by measuring GST activity. UGT activity using UDP-glucose as donor was then determined using 11 synthetic acceptors bearing hydroxyl, amino and thiol groups that had been shown to undergo conjugation in plant extracts...
June 22, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28640222/albumin-and-hyaluronic-acid-coated-superparamagnetic-iron-oxide-nanoparticles-loaded-with-paclitaxel-for-biomedical-applications
#13
Elena Vismara, Chiara Bongio, Alessia Coletti, Ravit Edelman, Andrea Serafini, Michele Mauri, Roberto Simonutti, Sabrina Bertini, Elena Urso, Yehuda G Assaraf, Yoav D Livney
Super paramagnetic iron oxide nanoparticles (SPION) were augmented by both hyaluronic acid (HA) and bovine serum albumin (BSA), each covalently conjugated to dopamine (DA) enabling their anchoring to the SPION. HA and BSA were found to simultaneously serve as stabilizing polymers of Fe₃O₄·DA-BSA/HA in water. Fe₃O₄·DA-BSA/HA efficiently entrapped and released the hydrophobic cytotoxic drug paclitaxel (PTX). The relative amount of HA and BSA modulates not only the total solubility but also the paramagnetic relaxation properties of the preparation...
June 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28639024/nematicidal-potential-of-hydrolates-from-the-semi-industrial-vapor-pressure-extraction-of-spanish-aromatic-plants
#14
Maria Fe Andrés, Azucena González-Coloma, Ruben Muñoz, Felipe De la Peña, Luis Fernando Julio, Jesus Burillo
The nematicidal activity of hydrolate by-products from the semi industrial vapor-pressure essential oil extraction of selected aromatic plant species (commercial: Lavandula × intermedia Emeric ex Loisel. var. super, Thymus vulgaris L., T. zygis Loefl ex L. and experimentally pre-domesticated: L. luisieri (Rozeira) Rivas-Martínez) was investigated against the root-knot nematode Meloidogyne javanica by in vitro and in vivo bioassays. Liquid-liquid extraction of hydrolates yielded the corresponding aqueous and organic fractions which were biological and chemically studied...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28638591/replicable-in-vivo-physiological-and-behavioral-phenotypes-of-the-shank3b-null-mutant-mouse-model-of-autism
#15
Sameer C Dhamne, Jill L Silverman, Chloe E Super, Stephen H T Lammers, Mustafa Q Hameed, Meera E Modi, Nycole A Copping, Michael C Pride, Daniel G Smith, Alexander Rotenberg, Jacqueline N Crawley, Mustafa Sahin
BACKGROUND: Autism spectrum disorder (ASD) is a clinically and biologically heterogeneous condition characterized by social, repetitive, and sensory behavioral abnormalities. No treatments are approved for the core diagnostic symptoms of ASD. To enable the earliest stages of therapeutic discovery and development for ASD, robust and reproducible behavioral phenotypes and biological markers are essential to establish in preclinical animal models. The goal of this study was to identify electroencephalographic (EEG) and behavioral phenotypes that are replicable between independent cohorts in a mouse model of ASD...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28637928/the-long-noncoding-rna-wisper-controls-cardiac-fibrosis-and-remodeling
#16
Rudi Micheletti, Isabelle Plaisance, Brian J Abraham, Alexandre Sarre, Ching-Chia Ting, Michael Alexanian, Daniel Maric, Damien Maison, Mohamed Nemir, Richard A Young, Blanche Schroen, Arantxa González, Samir Ounzain, Thierry Pedrazzini
Long noncoding RNAs (lncRNAs) are emerging as powerful regulators of cardiac development and disease. However, our understanding of the importance of these molecules in cardiac fibrosis is limited. Using an integrated genomic screen, we identified Wisper (Wisp2 super-enhancer-associated RNA) as a cardiac fibroblast-enriched lncRNA that regulates cardiac fibrosis after injury. Wisper expression was correlated with cardiac fibrosis both in a murine model of myocardial infarction (MI) and in heart tissue from human patients suffering from aortic stenosis...
June 21, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28637855/fear-of-the-human-super-predator-reduces-feeding-time-in-large-carnivores
#17
Justine A Smith, Justin P Suraci, Michael Clinchy, Ayana Crawford, Devin Roberts, Liana Y Zanette, Christopher C Wilmers
Large carnivores' fear of the human 'super predator' has the potential to alter their feeding behaviour and result in human-induced trophic cascades. However, it has yet to be experimentally tested if large carnivores perceive humans as predators and react strongly enough to have cascading effects on their prey. We conducted a predator playback experiment exposing pumas to predator (human) and non-predator control (frog) sounds at puma feeding sites to measure immediate fear responses to humans and the subsequent impacts on feeding...
June 28, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28637181/crosstalk-between-histone-modifications-indicates-that-inhibition-of-arginine-methyltransferase-carm1-activity-reverses-hiv-latency
#18
Zheng Zhang, Bryan C Nikolai, Leah A Gates, Sung Yun Jung, Edward B Siwak, Bin He, Andrew P Rice, Bert W O'Malley, Qin Feng
In eukaryotic cells, the gene expression status is strictly controlled by epigenetic modifications on chromatin. The repressive status of chromatin largely contributes to HIV latency. Studies have shown that modification of histone H3K27 acts as a key molecular switch for activation or suppression of many cellular genes. In this study, we found that K27-acetylated histone H3 specifically recruited Super Elongation Complex (SEC), the transcriptional elongation complex essential for HIV-1 long terminal repeat (LTR)-mediated and general cellular transcription...
June 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28636939/the-super-enhancer-derived-alncrna-ec7-bloodlinc-potentiates-red-blood-cell-development-in%C3%A2-trans
#19
Juan R Alvarez-Dominguez, Marko Knoll, Austin A Gromatzky, Harvey F Lodish
Enhancer-derived RNAs are thought to act locally by contributing to their parent enhancer function. Whether large domains of clustered enhancers (super-enhancers) also produce cis-acting RNAs, however, remains unclear. Unlike typical enhancers, super-enhancers form large spans of robustly transcribed chromatin, amassing capped and polyadenylated RNAs that are sufficiently abundant to sustain trans functions. Here, we show that one such RNA, alncRNA-EC7/Bloodlinc, is transcribed from a super-enhancer of the erythroid membrane transporter SLC4A1/BAND3 but diffuses beyond this site...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636691/starch-based-super-food-may-protect-against-variety-of-diseases
#20
Rita Rubin
No abstract text is available yet for this article.
June 21, 2017: JAMA: the Journal of the American Medical Association
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