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https://www.readbyqxmd.com/read/28320118/prothrombin-complex-concentrate-administration-for-bleeding-associated-with-non-vitamin-k-antagonist-oral-anticoagulants-the-samurai-nvaf-study
#1
Sohei Yoshimura, Shoichiro Sato, Kenichi Todo, Yasushi Okada, Eisuke Furui, Takayuki Matsuki, Hiroshi Yamagami, Masatoshi Koga, Jun C Takahashi, Kazuyuki Nagatsuka, Shoji Arihiro, Kazunori Toyoda
BACKGROUND: Antidotes appropriate for non-vitamin K antagonist (VKA) oral anticoagulants (NOACs) are not yet in widespread clinical use. Efficacy of prothrombin complex concentrate (PCC) in NOAC-associated bleeding remains unclarified. METHODS: Ten NOAC users (4 women, median 74years old) who developed major bleeding and received PCC were prospectively enrolled. Eight single-center NOAC users (0 women, median 74years old) with intracerebral hemorrhage, who over the same period did not receive PCC, were studied for comparison...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319994/growth-of-bacterial-phytopathogens-in-animal-manures
#2
Wojciech Sledz, Sabina Zoledowska, Agata Motyka, Leszek Kadziński, Bogdan Banecki
Animal manures are routinely applied to agricultural lands to improve crop yield, but the possibility to spread bacterial phytopathogens through field fertilization has not been considered yet. We monitored 49 cattle, horse, swine, sheep or chicken manure samples collected in 14 Polish voivodeships for the most important plant pathogenic bacteria - Ralstonia solanacearum (Rsol), Xanthomonas campestris pv. campestris (Xcc), Pectobacterium carotovorum subsp. carotovorum (Pcc), Pectobacterium atrosepticum (Pba), Erwinia amylovora (Eam), Clavibacter michiganensis subsp...
2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28317271/baclofen-and-alcohol-dependent-patients-a-real-risk-of-severe-self-poisoning
#3
David Boels, Caroline Victorri-Vigneau, Marie Grall-Bronnec, Ali Touré, Anais Garnier, Alain Turcant, Gaël Le Roux
Baclofen is often prescribed in high doses to fight cravings experienced by alcohol-dependent patients. Such an increase in the availability of baclofen is concerning. This study aimed to determine the change in number and profile of self-poisoning with baclofen over time, since baclofen has become increasingly popular, in order to describe the severity of self-poisoning with baclofen and to focus on co-existing alcohol use disorders and psychiatric illnesses determine predictors of severity. This was a retrospective study of self-poisoning with baclofen as reported by the western France Poison Control Center (PCC), which represents a population of more than 12 million people from January 2008 to March 2014...
March 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28304298/exercise-training-and-functional-connectivity-changes-in-mild-cognitive-impairment-and-healthy-elders
#4
Theresa J Chirles, Katherine Reiter, Lauren R Weiss, Alfonso J Alfini, Kristy A Nielson, J Carson Smith
BACKGROUND: Effective interventions are needed to improve brain function in mild cognitive impairment (MCI), an early stage of Alzheimer's disease (AD). The posterior cingulate cortex (PCC)/precuneus is a hub of the default mode network (DMN) and is preferentially vulnerable to disruption of functional connectivity in MCI and AD. OBJECTIVE: We investigated whether 12 weeks of aerobic exercise could enhance functional connectivity of the PCC/precuneus in MCI and healthy elders...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28303150/development-of-synebrick-vectors-as-a-synthetic-biology-platform-for-gene-expression-in-synechococcus-elongatus-pcc-7942
#5
Wook Jin Kim, Sun-Mi Lee, Youngsoon Um, Sang Jun Sim, Han Min Woo
Cyanobacteria are oxygenic photosynthetic prokaryotes that are able to assimilate CO2 using solar energy and water. Metabolic engineering of cyanobacteria has suggested the possibility of direct CO2 conversion to value-added chemicals. However, engineering of cyanobacteria has been limited due to the lack of various genetic tools for expression and control of multiple genes to reconstruct metabolic pathways for biochemicals from CO2. Thus, we developed SyneBrick vectors as a synthetic biology platform for gene expression in Synechococcus elongatus PCC 7942 as a model cyanobacterium...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28301863/optical-coherence-tomography-angiography-in-nonarteritic-anterior-ischemic-optic-neuropathy
#6
Emily Wright Mayes, Emily D Cole, Sabin Dang, Eduardo A Novais, Laurel Vuong, Carlos Mendoza-Santiesteban, Jay S Duker, Thomas R Hedges
BACKGROUND: Optical coherence tomography angiography (OCTA) has demonstrated good utility in qualitative analysis of retinal and choroidal vasculature and therefore may be relevant in the diagnostic and treatment efforts surrounding nonarteritic anterior ischemic optic neuropathy (NAION). METHODS: Retrospective, cross-sectional study of 10 eyes of 9 patients with a previous or new diagnosis of NAION that received imaging with OCTA between November 2015 and February 2016...
March 15, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28300191/enhanced-thermal-conductivity-of-form-stable-phase-change-composite-with-single-walled-carbon-nanotubes-for-thermal-energy-storage
#7
Tingting Qian, Jinhong Li, Wuwei Feng, Hong'en Nian
A striking contrast in the thermal conductivities of polyethylene glycol (PEG)/diatomite form-stable phase change composite (fs-PCC) with single-walled carbon nanotubes (SWCNs) as nano-additive has been reported in our present study. Compared to the pure PEG, the thermal conductivity of the prepared fs-PCC has increased from 0.24 W/mK to 0.87 W/Mk with a small SWCNs loading of 2 wt%. SWCNs are decorated on the inner surface of diatomite pores whilst retaining its porous structure. Compared to PEG/diatomite fs-PCC, the melting and solidification time of the PEG/diatomite/SWCNs fs-PCC are respectively decreased by 54...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28299555/molecular-characterization-and-homology-modeling-of-spermidine-synthase-from-synechococcus-sp-pcc-7942
#8
Apiradee Pothipongsa, Saowarath Jantaro, Tiina A Salminen, Aran Incharoensakdi
Spermidine synthase (Spds) catalyzes the formation of spermidine by transferring the aminopropyl group from decarboxylated S-adenosylmethionine (dcSAM) to putrescine. The Synechococcus spds gene encoding Spds was expressed in Escherichia coli. The purified recombinant enzyme had a molecular mass of 33 kDa and showed optimal activity at pH 7.5, 37 °C. The enzyme had higher affinity for dcSAM (K m, 20 µM) than for putrescine (K m, 111 µM) and was highly specific towards the diamine putrescine with no activity observed towards longer chain diamines...
April 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28298891/white-matter-deterioration-may-foreshadow-impairment-of-emotional-valence-determination-in-early-stage-dementia-of-the-alzheimer-type
#9
Ravi Rajmohan, Ronald C Anderson, Dan Fang, Austin G Meyer, Pavis Laengvejkal, Parunyou Julayanont, Greg Hannabas, Kitten Linton, John Culberson, Hafiz M R Khan, John De Toledo, P Hemachandra Reddy, Michael O'Boyle
In Alzheimer Disease (AD), non-verbal skills often remain intact for far longer than verbally mediated processes. Four (1 female, 3 males) participants with early-stage Clinically Diagnosed Dementia of the Alzheimer Type (CDDAT) and eight neurotypicals (NTs; 4 females, 4 males) completed the emotional valence determination test (EVDT) while undergoing BOLD functional magnetic resonance imaging (fMRI). We expected CDDAT participants to perform just as well as NTs on the EVDT, and to display increased activity within the bilateral amygdala and right anterior cingulate cortex (r-ACC)...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28295918/the-intrinsically-disordered-inhibitor-of-glutamine-synthetase-is-a-functional-protein-with-random-coil-like-pka-values
#10
Concetta Cozza, José L Neira, Francisco J Florencio, M Isabel Muro-Pastor, Bruno Rizzuti
The sequential action of glutamine synthetase (GS) and glutamate synthase (GOGAT) in cyanobacteria allows the incorporation of ammonium into carbon skeletons. In the cyanobacterium Synechocystis sp. PCC 6803, the activity of GS is modulated by the interaction with proteins, which include a 65-residue-long intrinsically disordered protein (IDP), the inactivating factor IF7. This interaction is regulated by the presence of charged residues in both IF7 and GS. In order to understand how charged amino acids can affect the binding of an IDP with its target, and to provide clues on electrostatic interactions in disordered states of proteins, we measured the pKa values of all IF7 acidic groups (Glu32, Glu36, Glu38, Asp40, Asp58, and Ser65, the backbone C-terminus) at 100 mM NaCl concentration, by using NMR spectroscopy...
March 15, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28295163/cyanobacterial-carbon-metabolism-fluxome-plasticity-and-oxygen-dependence
#11
Ni Wan, Drew M DeLorenzo, Lian He, Le You, Cheryl M Immethun, George Wang, Edward E K Baidoo, Whitney Hollinshead, Jay D Keasling, Tae Seok Moon, Yinjie J Tang
Synechocystis sp. strain PCC 6803 has been widely used as a photo-biorefinery chassis. Based on its genome annotation, this species contains a complete TCA cycle, an Embden-Meyerhof-Parnas pathway (EMPP), an oxidative pentose phosphate pathway (OPPP), and an Entner-Doudoroff pathway (EDP). To evaluate how Synechocystis 6803 catabolizes glucose under heterotrophic conditions, we performed (13) C metabolic flux analysis, metabolite pool size analysis, gene knockouts, and heterologous expressions. The results revealed a cyclic mode of flux through the OPPP...
March 14, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28294456/functional-organization-of-the-human-posterior-cingulate-cortex-revealed-by-multiple-connectivity-based-parcellation-methods
#12
Jungho Cha, Hang Joon Jo, William S Gibson, Jong-Min Lee
Based on cytoarchitecture, the posterior cingulate cortex (PCC) is thought to be comprised of two distinct functional subregions: the dorsal and ventral PCC (dPCC and vPCC). However, functional subregions do not completely match anatomical boundaries in the human brain. To understand the relationship between the functional organization of regions and anatomical features, it is necessary to apply parcellation algorithms based on functional properties. We therefore defined functionally informed subregions in the human PCC by parcellation of regions with similar patterns of functional connectivity in the resting brain...
March 15, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28292582/-profile-and-evolution-of-chronic-complex-patients-in-a-subacute-unit
#13
Neus Gual, Anna Yuste Font, Belen Enfedaque Montes, Carles Blay Pueyo, Remedios Martín Álvarez, Marco Inzitari
OBJECTIVE: To improve the management of geriatric pluripathologic patients in Catalonia, the identification of chronic complex patient (PCC) or patients with advanced chronic disease (MACA) has been promoted. Patients with exacerbated chronic diseases are promoted to be admitted in subacute units (SG) located in intermediate hospitals and specialized in geriatric care, as an alternative to acute hospital. The results of the care process in patients identified as PCC/MACA in SG have not been evaluated...
March 11, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28292505/unintentional-methadone-and-buprenorphine-exposures-in-children-developing-prevention-messages
#14
Lauren Schwartz, Maria Mercurio-Zappala, Mary Ann Howland, Robert S Hoffman, Mark K Su
OBJECTIVES: To develop key messages for methadone and buprenorphine safety education material based on an analysis of calls to the NYC Poison Control Center (NYC PCC) and designed for distribution to caregivers of young children. METHODS: Retrospective review of all calls for children 5 years of age and younger involving methadone or buprenorphine from January 1, 2000, to June 15, 2014. A data abstraction form was completed for each case to capture patient demographics, exposure and caller sites, caller relation to patient, qualitative information regarding the exposure scenario, the product information, if naloxone was given, and the medical outcome of the case...
March 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28290391/effect-of-propofol-anesthesia-on-resting-state-brain-functional-connectivity-in-indian-population-with-chronic-back-pain
#15
Kamath Sriganesh, Rakesh Balachandar, Bhavani Shankara Bagepally, Jitender Saini, G S Umamaheswara Rao
OBJECTIVE: Functional magnetic resonance imaging (fMRI) studies in healthy volunteers have shown alterations in brain connectivity following anesthesia as compared to the awake state. It is not known if the anesthesia-induced changes in brain connectivity are different in a pathological state. This study aims to evaluate changes in the resting state functional connectivity in the brain, after propofol anesthesia, in patients with chronic back pain (CBP). MATERIALS AND METHODS: Fourteen adults with CBP were included in this prospective study over 6 months...
March 2017: Neurology India
https://www.readbyqxmd.com/read/28289940/the-effect-of-hippocampal-function-volume-and-connectivity-on-posterior-cingulate-cortex-functioning-during-episodic-memory-fmri-in-mild-cognitive-impairment
#16
Janne M Papma, Marion Smits, Marius de Groot, Francesco U Mattace Raso, Aad van der Lugt, Henri A Vrooman, Wiro J Niessen, Peter J Koudstaal, John C van Swieten, Frederik M van der Veen, Niels D Prins
OBJECTIVES: Diminished function of the posterior cingulate cortex (PCC) is a typical finding in early Alzheimer's disease (AD). It is hypothesized that in early stage AD, PCC functioning relates to or reflects hippocampal dysfunction or atrophy. The aim of this study was to examine the relationship between hippocampus function, volume and structural connectivity, and PCC activation during an episodic memory task-related fMRI study in mild cognitive impairment (MCI). METHOD: MCI patients (n = 27) underwent episodic memory task-related fMRI, 3D-T1w MRI, 2D T2-FLAIR MRI and diffusion tensor imaging...
March 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28287726/organocatalytic-enantioselective-michael-cyclization-domino-reaction-between-3-amideoxindoles-and-%C3%AE-%C3%AE-unsaturated-aldehydes-one-pot-preparation-of-chiral-spirocyclic-oxindole-%C3%AE-lactams
#17
Peng Yang, Xiao Wang, Feng Chen, Zheng-Bing Zhang, Chao Chen, Lin Peng, Li-Xin Wang
The first organocatalytic enantioselective Michael/cyclization domino reaction between 3-amideoxindoles and α,β-unsaturated aldehydes is described. After sequential oxidation with pyridinium chlorochromate, a direct and one-pot preparation of highly sterically hindered spirocyclic oxindole-γ-lactams was achieved in 51-81% yields with 75-97% ee and ≤80/20 dr.
March 20, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28287605/two-way-valorization-of-blast-furnace-slag-synthesis-of-precipitated-calcium-carbonate-and-zeolitic-heavy-metal-adsorbent
#18
Evangelos Georgakopoulos, Rafael M Santos, Yi Wai Chiang, Vasilije Manovic
The aim of this work is to present a zero-waste process for storing CO2 in a stable and benign mineral form while producing zeolitic minerals with sufficient heavy metal adsorption capacity. To this end, blast furnace slag, a residue from iron-making, is utilized as the starting material. Calcium is selectively extracted from the slag by leaching with acetic acid (2 M CH3COOH) as the extraction agent. The filtered leachate is subsequently physico-chemically purified and then carbonated to form precipitated calcium carbonate (PCC) of high purity (<2 wt% non-calcium impurities, according to ICP-MS analysis)...
February 21, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28287087/global-metabolic-rewiring-for-improved-co2-fixation-and-chemical-production-in-cyanobacteria
#19
Masahiro Kanno, Austin L Carroll, Shota Atsumi
Cyanobacteria have attracted much attention as hosts to recycle CO2 into valuable chemicals. Although cyanobacteria have been engineered to produce various compounds, production efficiencies are too low for commercialization. Here we engineer the carbon metabolism of Synechococcus elongatus PCC 7942 to improve glucose utilization, enhance CO2 fixation and increase chemical production. We introduce modifications in glycolytic pathways and the Calvin Benson cycle to increase carbon flux and redirect it towards carbon fixation...
March 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/28286918/altered-effective-connectivity-network-in-childhood-absence-epilepsy-a-multi-frequency-meg-study
#20
Caiyun Wu, Jing Xiang, Wenwen Jiang, Shuyang Huang, Yuan Gao, Lu Tang, Yuchen Zhou, Di Wu, Qiqi Chen, Zheng Hu, Xiaoshan Wang
Using multi-frequency magnetoencephalography (MEG) data, we investigated whether the effective connectivity (EC) network of patients with childhood absence epilepsy (CAE) is altered during the inter-ictal period in comparison with healthy controls. MEG data from 13 untreated CAE patients and 10 healthy controls were recorded. Correlation analysis and Granger causality analysis were used to construct an EC network at the source level in eight frequency bands. Alterations in the spatial pattern and topology of the network in CAE were investigated by comparing the patients with the controls...
March 12, 2017: Brain Topography
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