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https://www.readbyqxmd.com/read/27919566/the-five-s-s-a-communication-tool-for-child-psychiatric-access-projects
#1
Joyce Harrison, Kate Wasserman, Janna Steinberg, Rheanna Platt, Kelly Coble, Kelly Bower
Given the gap in child psychiatric services available to meet existing pediatric behavioral health needs, children and families are increasingly seeking behavioral health services from their primary care clinicians (PCCs). However, many pediatricians report not feeling adequately trained to meet these needs. As a result, child psychiatric access projects (CPAPs) are being developed around the country to support the integration of care for children. Despite the promise and success of these programs, there are barriers, including the challenge of effective communication between PCCs and child psychiatrists...
December 2, 2016: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/27917717/reversal-agents-for-oral-antiplatelet-and-anticoagulant-treatment-during-bleeding-events-current-strategies
#2
Peter Raimondi, Elaine M Hylek, Konstantinos N Aronis
There is an increasing prevalence of cardiovascular diseases that warrant antithrombotic therapy. Antithrombotic therapy includes antiplatelet agents and anticoagulation therapy with vitamin K antagonists (VKAs) or non-Vitamin K oral anticoagulants (NOACs). Antithrombotic therapy is associated with increased rates of bleeding. In this review we summarize the evidence and provide strategies for the management of severe bleeding in the setting of antithrombotic therapy. There is limited data on the management of bleeding in the setting of antiplatelet therapy...
December 5, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27916954/expedient-organocatalytic-syntheses-of-4-substituted-pyrazolidines-and-isoxazolidines
#3
Tarek Yousfi, Alysha Elliott, Messiad Hanane, Rachid Merdes, Albert Moyano
The efficient organocatalytic synthesis of heterocyclic systems of biological relevance is a subject of growing interest. We have found that the pyrrolidine/benzoic acid-catalyzed reaction of α-substituted propenals such as methacrolein, 2-benzylpropenal and 2-(n-hexyl)propenal with activated hydrazines takes place in very good yields (83%-99.6%) under very mild conditions to afford 4-substituted pyrazolidin-3-ols (as diastereomer mixtures); subsequent oxidation with PCC affords the corresponding-4-substituted-3-pyrazolidinones in essentially quantitative yields...
December 1, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27915993/directed-functional-connectivity-of-posterior-cingulate-cortex-and-whole-brain-in-alzheimer-s-disease-and-mild-cognitive-impairment
#4
Enyan Yu, Zhengluan Liao, Dewang Mao, Qi Zhang, Gongjun Ji, Yumei Li, Zhongxiang Ding
BACKGROUND: Impaired functional connectivity in the default mode network (DMN) is supposedly involved in Alzheimer's disease (AD) progression. The posterior cingulate cortex (PCC) might be an imaging marker for monitoring AD progression. OBJECTIVE: To investigate the alterations in the directed functional connectivity between the PCC and whole brain in patients with AD, patients with mild cognitive impairment (MCI), and healthy controls. METHODS: A total of 116 enrolled participants were divided into three groups: AD (n=32), MCI (n=26), and controls (n=58)...
December 1, 2016: Current Alzheimer Research
https://www.readbyqxmd.com/read/27915393/role-of-prothrombin-complex-concentrate-pcc-in-acute-intracerebral-hemorrhage-with-positive-cta-spot-sign-an-institutional-experience-at-a-regional-and-state-designated-stroke-center
#5
Razia Rehmani, Angela Han, Jawaad Hassan, Jeffrey Farkas
PURPOSE: Our objective is to identify the effect of prothrombin complex concentrate (PCC) in acute intracranial hemorrhage (ICH) by evaluating intraparenchymal hematoma expansion between initial and follow-up head CT at 5-24 h, in those with positive CTA spot sign (CTASS). CTASS is an independent predictor of hematoma growth (1). Acute ICH, regardless of etiology, can present with quick mental status decline often resulting in irreversible brain damage. Hematoma expansion appears to be a modifiable predictor of clinical outcome and an appropriate target for medical therapy...
December 3, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27913608/the-clinical-utility-of-circulating-neuroendocrine-gene-transcript-analysis-in-well-differentiated-paragangliomas-and-pheochromocytomas
#6
M Pęczkowska, J Cwikla, M Kidd, A Lewczuk, A Kolasinska-Ćwikła, D Niec, I Michałowska, A Prejbisz, A Januszewicz, J Chiarelli, L Bodei, I Modlin
CONTEXT: Paragangliomas and pheochromocytomas (PPGLs) exhibit variable malignancy, which is difficult to determine by histopathology, amine measurements or tissue genetic analyses. OBJECTIVE: To evaluate whether a 51-neuroendocrine gene blood analysis has clinical utility as a diagnostic and prognostic marker. DESIGN: Prospective cohort study. Well-differentiated PPGLs (n = 32), metastatic (n = 4); SDHx mutation (n = 25); 12 biochemically active, Lanreotide treated (n = 4)...
February 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27911925/attenuation-of-quorum-sensing-regulated-virulence-of-pectobacterium-carotovorum-subsp-carotovorum-through-an-ahl-lactonase-produced-by-lysinibacillus-sp-gs50
#7
Sneha S Garge, Anuradha S Nerurkar
Quorum sensing (QS) is a mechanism in which Gram negative bacterial pathogens sense their population density through acyl homoserine lactones (AHLs) and regulate the expression of virulence factors. Enzymatic degradation of AHLs by lactonases, known as quorum quenching (QQ), is thus a potential strategy for attenuating QS regulated bacterial infections. We characterised the QQ activity of soil isolate Lysinibacillus sp. Gs50 and explored its potential for controlling bacterial soft rot of crop plants. Lysinibacillus sp...
2016: PloS One
https://www.readbyqxmd.com/read/27911809/unique-attributes-of-cyanobacterial-metabolism-revealed-by-improved-genome-scale-metabolic-modeling-and-essential-gene-analysis
#8
Jared T Broddrick, Benjamin E Rubin, David G Welkie, Niu Du, Nathan Mih, Spencer Diamond, Jenny J Lee, Susan S Golden, Bernhard O Palsson
The model cyanobacterium, Synechococcus elongatus PCC 7942, is a genetically tractable obligate phototroph that is being developed for the bioproduction of high-value chemicals. Genome-scale models (GEMs) have been successfully used to assess and engineer cellular metabolism; however, GEMs of phototrophic metabolism have been limited by the lack of experimental datasets for model validation and the challenges of incorporating photon uptake. Here, we develop a GEM of metabolism in S. elongatus using random barcode transposon site sequencing (RB-TnSeq) essential gene and physiological data specific to photoautotrophic metabolism...
December 1, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911807/enhanced-limonene-production-in-cyanobacteria-reveals-photosynthesis-limitations
#9
Xin Wang, Wei Liu, Changpeng Xin, Yi Zheng, Yanbing Cheng, Su Sun, Runze Li, Xin-Guang Zhu, Susie Y Dai, Peter M Rentzepis, Joshua S Yuan
Terpenes are the major secondary metabolites produced by plants, and have diverse industrial applications as pharmaceuticals, fragrance, solvents, and biofuels. Cyanobacteria are equipped with efficient carbon fixation mechanism, and are ideal cell factories to produce various fuel and chemical products. Past efforts to produce terpenes in photosynthetic organisms have gained only limited success. Here we engineered the cyanobacterium Synechococcus elongatus PCC 7942 to efficiently produce limonene through modeling guided study...
November 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27910025/cytogenetics-for-biological-dosimetry
#10
Michelle Ricoul, Tamizh Gnana-Sekaran, Laure Piqueret-Stephan, Laure Sabatier
Cytogenetics is the gold-standard in biological dosimetry for assessing a received dose of ionizing radiation. More modern techniques have recently emerged, but none are as specific as cytogenetic approaches, particularly the dicentric assay. Here, we will focus on the principal cytogenetic techniques used for biological dosimetry: the dicentric assay in metaphase cells, the micronuclei assay in binucleated cells, and the premature condensed chromosome (PCC) assay in interphase cells. New fluorescence in situ hybridization (FISH) techniques (such as telomere-centromere hybridization) have facilitated the analysis of the dicentric assay and have permitted to assess the dose a long time after irradiation by translocation analysis (such as by Tri-color FISH or Multiplex-FISH)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27905613/unambiguous-identification-and-discovery-of-bacterial-siderophores-by-direct-injection-21-tesla-fourier-transform-ion-cyclotron-resonance-mass-spectrometry
#11
Lawrence R Walker, Malak M Tfaily, Jared B Shaw, Nancy J Hess, Ljiljana Paša-Tolić, David W Koppenaal
Under iron-limiting conditions, bacteria produce low molecular mass Fe(iii) binding molecules known as siderophores to sequester the Fe(iii), along with other elements, increasing their bioavailability. Siderophores are thought to influence iron cycling and biogeochemistry in both marine and terrestrial ecosystems and hence the need for rapid, confident characterization of these compounds has increased. In this study, the type of siderophores produced by two marine bacterial species, Synechococcus sp. PCC 7002 and Vibrio cyclitrophicus 1F53, were characterized by use of a newly developed 21 T Fourier Transform Ion Cyclotron Resonance Mass Spectrometer (FTICR MS) with direct injection electrospray ionization...
December 1, 2016: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/27902432/self-replicating-shuttle-vectors-based-on-pans-a-small-endogenous-plasmid-of-the-unicellular-cyanobacterium-synechococcus-elongatus-pcc-7942
#12
You Chen, Arnaud Taton, Michaela Go, Ross E London, Lindsey M Pieper, Susan S Golden, James W Golden
To facilitate development of synthetic biology tools for genetic engineering of cyanobacterial strains, we constructed pANS-derived self-replicating shuttle vectors that are based on the minimal replication element of the Synechococcus elongatus strain PCC 7942 plasmid pANS. To remove the possibility of homologous recombination events between the shuttle plasmids and the native pANS plasmid, the endogenous pANS was cured through plasmid incompatibility-mediated spontaneous loss. A heterologous toxin-antitoxin cassette was incorporated into the shuttle vectors for stable plasmid maintenance in the absence of antibiotic selection...
October 14, 2016: Microbiology
https://www.readbyqxmd.com/read/27899668/cyanobase-%C3%A2-a-large-scale-update-on-its-20th-anniversary
#13
Takatomo Fujisawa, Rei Narikawa, Shin-Ichi Maeda, Satoru Watanabe, Yu Kanesaki, Koichi Kobayashi, Jiro Nomata, Mitsumasa Hanaoka, Mai Watanabe, Shigeki Ehira, Eiji Suzuki, Koichiro Awai, Yasukazu Nakamura
The first ever cyanobacterial genome sequence was determined two decades ago and CyanoBase (http://genome.microbedb.jp/cyanobase), the first database for cyanobacteria was simultaneously developed to allow this genomic information to be used more efficiently. Since then, CyanoBase has constantly been extended and has received several updates. Here, we describe a new large-scale update of the database, which coincides with its 20th anniversary. We have expanded the number of cyanobacterial genomic sequences from 39 to 376 species, which consists of 86 complete and 290 draft genomes...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899536/a-comprehensively-curated-genome-scale-two-cell-model-for-the-cyanobacterium-anabaena-sp-pcc-7120
#14
David Malatinszky, Ralf Steuer, Patrik R Jones
Anabaena sp. PCC 7120 is a nitrogen-fixing filamentous cyanobacterium. Under nitrogen limiting conditions, a fraction of the vegetative cells in each filament terminally differentiate to non-growing heterocysts. Heterocysts are metabolically and structurally specialized to enable O2-sensitive nitrogen fixation. The functionality of the filament, as an association of vegetative cells and heterocysts, is postulated to depend on metabolic exchange of electrons, carbon and fixed nitrogen. In the present work, we compile and evaluate a comprehensive curated stoichiometric model of this two-cell system, with the objective function based on the growth of the filament under diazotrophic conditions...
November 29, 2016: Plant Physiology
https://www.readbyqxmd.com/read/27895571/neural-mechanisms-of-positive-mood-induced-modulation-of-reality-monitoring
#15
Karuna Subramaniam, Jeevit Gill, Patrick Slattery, Aditi Shastri, Daniel H Mathalon, Srikantan Nagarajan, Sophia Vinogradov
This study investigates the neural mechanisms of mood induced modulation of cognition, specifically, on reality monitoring abilities. Reality monitoring is the ability to accurately distinguish the source of self-generated information from externally-presented contextual information. When participants were in a positive mood, compared to a neutral mood, they significantly improved their source memory identification abilities, particularly for self-generated information. However, being in a negative mood had no effect on reality monitoring abilities...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27894276/small-proteins-in-cyanobacteria-provide-a-paradigm-for-the-functional-analysis-of-the-bacterial-micro-proteome
#16
Desiree Baumgartner, Matthias Kopf, Stephan Klähn, Claudia Steglich, Wolfgang R Hess
BACKGROUND: Despite their versatile functions in multimeric protein complexes, in the modification of enzymatic activities, intercellular communication or regulatory processes, proteins shorter than 80 amino acids (μ-proteins) are a systematically underestimated class of gene products in bacteria. Photosynthetic cyanobacteria provide a paradigm for small protein functions due to extensive work on the photosynthetic apparatus that led to the functional characterization of 19 small proteins of less than 50 amino acids...
November 28, 2016: BMC Microbiology
https://www.readbyqxmd.com/read/27891682/robust-min-system-oscillation-in-the-presence-of-internal-photosynthetic-membranes-in-cyanobacteria
#17
Joshua S MacCready, Jory Schossau, Katherine W Osteryoung, Daniel C Ducat
The oscillatory Min system of Escherichia coli defines the cell division plane by regulating the site of FtsZ-ring formation and represents one of the best-understood examples of emergent protein self-organization in nature. The oscillatory patterns of the Min-system proteins MinC, MinD and MinE (MinCDE) are strongly dependent on the geometry of membranes they bind. Complex internal membranes within cyanobacteria could disrupt this self-organization by sterically occluding or sequestering MinCDE from the plasma membrane...
November 5, 2016: Molecular Microbiology
https://www.readbyqxmd.com/read/27890156/physiological-and-perceptual-effects-of-a-cooling-garment-during-simulated-industrial-work-in-the-heat
#18
Cory L Butts, Cody R Smith, Matthew S Ganio, Brendon P McDermott
OBJECTIVE: Evaluate physiological and perceptual responses using a phase change cooling (PCC) garment during simulated work in the heat. METHODS: Twenty males wearing compression undergarments, coverall suit, gloves, and hard-hat, completed two randomly assigned trials (with PCC inserts or control, CON) of simulated industrial tasks in the heat (34.2 ± 0.05 °C, 54.7 ± 0.3%RH). Trials consisted of two 20 min work bouts, a maximum performance bout, and 10 min of recovery...
March 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/27888364/in-vitro-reconstitution-of-the-cyclosporine-specific-p450-hydroxylases-using-heterologous-redox-partner-proteins
#19
Yue Sun, Li Ma, Dongfei Han, Lei Du, Fengxia Qi, Wei Zhang, Jingran Sun, Shan Huang, Eung-Soo Kim, Shengying Li
The cytochrome P450 enzymes (CYPs) CYP-sb21 from Sebekia benihana and CYP-pa1 from Pseudonocardia autotrophica are able to hydroxylate the immunosuppressant cyclosporin A (CsA) in a regioselective manner, giving rise to the production of two hair-stimulating agents (with dramatically attenuated immunosuppressant activity), γ-hydroxy-N-methyl-L-Leu4-CsA (CsA-4-OH) and γ-hydroxy-N-methyl-L-Leu9-CsA (CsA-9-OH). Recently, the in vitro activity of CYP-sb21 was identified using several surrogate redox partner proteins...
November 25, 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27886204/characterization-of-structural-connectivity-of-the-default-mode-network-in-dogs-using-diffusion-tensor-imaging
#20
Jennifer L Robinson, Madhura Baxi, Jeffrey S Katz, Paul Waggoner, Ronald Beyers, Edward Morrison, Nouha Salibi, Thomas S Denney, Vitaly Vodyanoy, Gopikrishna Deshpande
Diffusion tensor imaging (DTI) provides us an insight into the micro-architecture of white-matter tracts in the brain. This method has proved promising in understanding and investigating the neuronal tracts and structural connectivity between the brain regions in primates as well as rodents. The close evolutionary relationship between canines and humans may have spawned a unique bond in regard to social cognition rendering them useful as an animal model in translational research. In this study, we acquired diffusion data from anaesthetized dogs and created a DTI-based atlas for a canine model which could be used to investigate various white matter diseases...
November 25, 2016: Scientific Reports
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