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https://www.readbyqxmd.com/read/28645173/spatially-resolved-metabolic-analysis-reveals-a-central-role-for-transcriptional-control-in-carbon-allocation-to-wood
#1
Melissa Roach, Stéphanie Arrivault, Amir Mahboubi, Nicole Krohn, Ronan Sulpice, Mark Stitt, Totte Niittylä
The contribution of transcriptional and post-transcriptional regulation to modifying carbon allocation to developing wood of trees is not well defined. To clarify the role of transcriptional regulation, the enzyme activity patterns of eight central primary metabolism enzymes across phloem, cambium, and developing wood of aspen (Populus tremula L.) were compared with transcript levels obtained by RNA sequencing of sequential stem sections from the same trees. Enzymes were selected on the basis of their importance in sugar metabolism and in linking primary metabolism to lignin biosynthesis...
June 22, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28645056/serious-delinquency-and-later-schizophrenia-a-nationwide-register-based-follow-up-study-of-finnish-pretrial-15-to-19-year-old-offenders-sent-for-a-forensic-psychiatric-examination
#2
N Lindberg, J Miettunen, A Heiskala, R Kaltiala-Heino
BACKGROUND: Aggressive and disruptive behaviors often precede the onset of schizophrenia. In this register-based follow-up study with a case-control design, we wanted to investigate if serious delinquency was associated with future diagnoses of schizophrenia or schizoaffective disorder (here, broadly defined schizophrenia) among a nationwide consecutive sample of 15- to 19-year-old Finnish delinquents sent for a forensic psychiatric examination in 1989-2010. METHODS: The sample comprised 313 delinquents with no past or current psychotic disorder...
May 15, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28645055/c-reactive-protein-and-white-blood-cell-levels-in-schizophrenia-bipolar-disorders-and-depression-associations-with-mortality-and-psychiatric-outcomes-a-population-based-study
#3
H T Horsdal, O Köhler-Forsberg, M E Benros, C Gasse
BACKGROUND: Mental disorders have been associated with increased levels of inflammatory markers, which can affect disease trajectories. We aimed to assess levels of C-reactive protein (CRP) and white blood cells (WBC) across individuals with schizophrenia, bipolar disorder, and depression, and to investigate associations with subsequent psychiatric admission and mortality. METHODS: We identified all adults in the Central Denmark Region during 2000-2012 with a first diagnosis of schizophrenia, bipolar disorder, or depression and a baseline measurement of CRP and/or WBC count...
May 17, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28645022/benzene-and-childhood-acute-leukemia-in-oklahoma
#4
Amanda E Janitz, Janis E Campbell, Sheryl Magzamen, Anne Pate, Julie A Stoner, Jennifer D Peck
BACKGROUND: Although childhood cancer is a leading cause of childhood mortality in the US, evidence regarding the etiology is lacking. The goal of this study was to evaluate the association between benzene, a known carcinogen, and childhood acute leukemia. METHODS: We conducted a case-control study including cases diagnosed with acute leukemia between 1997 and 2012 (n = 307) from the Oklahoma Central Cancer Registry and controls matched on week of birth from birth certificates (n = 1013)...
June 20, 2017: Environmental Research
https://www.readbyqxmd.com/read/28645007/activation-of-the-pi3k-akt-pathway-promotes-neuroprotection-of-the-%C3%AE-opioid-receptor-agonist-against-cerebral-ischemia-reperfusion-injury-in-rat-models
#5
Mei-Rong Lv, Bin Li, Ming-Guang Wang, Fan-Guo Meng, Jian-Jun Yu, Feng Guo, Ye Li
The central objective was to identify the role of the PI3K-Akt activation pathway on the neuroprotection of δ-opioid receptor agonist (DADLE) against cerebral ischemia-reperfusion (I/R) injury in a rat model. Fifty-five male Sprague-Dawley (SD) rats were included to establish a middle cerebral artery occlusion (MCAO) model which were then divided into the sham, MCAO, LY294002 (MCAO+DADLE+LY294002 [inhibitor of PI3K-Akt pathway]), DADLE (MCAO+DADLE) and DMSO (MCAO+DADLE+DMSO [dimethyl sulphoxide]) groups. The cerebral infarction (CI) volume and nerve cell apoptosis was determined using TTC and TUNEL staining...
June 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28644991/glimpses-into-the-blind-spot-social-interaction-and-autism
#6
REVIEW
Kristen Bottema-Beutel
A primary feature of autism spectrum disorder (ASD) is marked difficulty in social interactions. Despite the centrality of social interaction differences to the clinical presentation of ASD, only a small portion of research in this field characterizes interaction in everyday social contexts. This theoretical paper reviews the growing corpus of interactional research on ASD, including discourse analysis (DA) and conversation analysis (CA) approaches. DA and CA are micro-analytic methods aimed at understanding the organizational structure of, and actions pursued within, social encounters...
June 16, 2017: Journal of Communication Disorders
https://www.readbyqxmd.com/read/28644880/o-glcnacylation-mediates-the-control-of-cytosolic-phosphoenolpyruvate-carboxykinase-activity-via-pgc1%C3%AE
#7
Pedro Latorre, Luis Varona, Carmen Burgos, José A Carrodeguas, Pascual López-Buesa
PGC1α is a coactivator of many transcription factors and cytosolic phosphoenolpyruvate carboxykinase (PCK1) is a key enzyme for gluconeogenesis. PGC1α interacts with the transcription factor PPARγ to stimulate PCK1 expression and thus de novo glucose synthesis. These proteins are not only important for central energy metabolism but also for supplying intermediates for other metabolic pathways, including lipidogenesis and protein synthesis and might therefore be important factors in the ethiopathogenesis of metabolic disorders like diabetes but also in other pathologies like cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28644871/predicting-the-bounds-of-large-chaotic-systems-using-low-dimensional-manifolds
#8
Asger M Haugaard
Predicting extrema of chaotic systems in high-dimensional phase space remains a challenge. Methods, which give extrema that are valid in the long term, have thus far been restricted to models of only a few variables. Here, a method is presented which treats extrema of chaotic systems as belonging to discretised manifolds of low dimension (low-D) embedded in high-dimensional (high-D) phase space. As a central feature, the method exploits that strange attractor dimension is generally much smaller than parent system phase space dimension...
2017: PloS One
https://www.readbyqxmd.com/read/28644852/comparisons-of-retinal-vessel-diameter-and-glaucomatous-parameters-between-both-eyes-of-subjects-with-clinically-unilateral-pseudoexfoliation-syndrome
#9
Yasuyuki Takai, Masaki Tanito, Tetsuro Omura, Ryo Kawasaki, Yumiko Kawasaki, Akihiro Ohira
PURPOSE: Pseudoexfoliation syndrome (PEX), the most common identifiable cause of open-angle glaucoma, might affect the retinal hemodynamics. To test this, we compared retinal vessel diameter and glaucoma-related parameters between eyes with pseudoexfoliation material (PE+) and fellow unaffected (PE-) eyes of patients with clinically unilateral PEX. METHODS: The medical records of 30 consecutive Japanese subjects were reviewed retrospectively. The retinal vessel diameters were measured and expressed as the central retinal arteriolar equivalent (CRAE) and central retinal venular equivalent (CRVE) using standardized software...
2017: PloS One
https://www.readbyqxmd.com/read/28644840/linking-structure-and-activity-in-nonlinear-spiking-networks
#10
Gabriel Koch Ocker, Krešimir Josić, Eric Shea-Brown, Michael A Buice
Recent experimental advances are producing an avalanche of data on both neural connectivity and neural activity. To take full advantage of these two emerging datasets we need a framework that links them, revealing how collective neural activity arises from the structure of neural connectivity and intrinsic neural dynamics. This problem of structure-driven activity has drawn major interest in computational neuroscience. Existing methods for relating activity and architecture in spiking networks rely on linearizing activity around a central operating point and thus fail to capture the nonlinear responses of individual neurons that are the hallmark of neural information processing...
June 23, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28644798/joint-alignment-of-multiple-point-sets-with-batch-and-incremental-expectation-maximization
#11
Dimitrios Georgios Evangelidis, Radu Horaud
This paper addresses the problem of registering multiple point sets. Solutions to this problem are often approximated by repeatedly solving for pairwise registration, which results in an uneven treatment of the sets forming a pair: a model set and a data set. The main drawback of this strategy is that the model set may contain noise and outliers, which negatively affects the estimation of the registration parameters. In contrast, the proposed formulation treats all the point sets on an equal footing. Indeed, all the points are drawn from a central Gaussian mixture, hence the registration is cast into a clustering problem...
June 21, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28644780/avoiding-racial-essentialism-in-medical-science-curricula
#12
Lundy Braun, Barry Saunders
A wave of medical student activism is shining a spotlight on medical educators' sometimes maladroit handling of racial categories in teaching about health disparities. Coinciding with recent critiques, primarily by social scientists, regarding the imprecise and inappropriate use of race as a biological or epidemiological risk factor in genetics research, medical student activism has triggered new collaborations among students, faculty, and administrators to rethink how race is addressed in the medical curriculum...
June 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28644765/radioactivity-measurements-and-dosimetric-evaluation-in-meat-of-wild-birds
#13
Carla Roselli, Donatella Desideri, Chiara Cantaluppi, Federica Ceccotto, Laura Feduzi, Maria Assunta Meli
The aim of this study was to determine the background activity concentration of natural radionuclides and (137)Cesium (Cs) in meat of 14 migratory birds originating from central and northern Europe. This meat is largely consumed by the Italian population. (40)K, (210)Pb, and (137)Cs were determined by gamma spectrometry and (210)Po by alpha spectrometry. The mean (40)K activity concentration detected was 490 ± 117 Bq/kgdw. In all the samples, (210)Pb was below the limit of detection (LOD), and therefore it was not possible to calculate the ratio (210)Po/(210)Pb...
June 23, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28644736/asymptomatic-microscopic-hematuria-as-a-predictor-of-neoplasia-in-the-urinary-tract
#14
Maria Ordell Sundelin, Jørgen Bjerggaard Jensen
OBJECTIVE: The Danish hematuria guidelines were revised in January 2016. Before revision, it was recommended that asymptomatic microscopic hematuria in patients more than 40 years old should be routinely urologically investigated. In the revised guidelines, patients with asymptomatic microscopic hematuria are not recommended to be investigated, irrespective of age. The purpose of this study was to investigate whether asymptomatic microscopic hematuria was predictive of neoplasia of the urinary tract in a referred cohort of patients...
June 23, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28644697/contemporary-treatment-of-renal-tumors-a-questionnaire-survey-in-the-nordic-countries-the-norenca-i-study
#15
Harry Nisen, Petrus Järvinen, Magnus Fovaeus, Eirikur Guðmundsson, Bjarne Kromann-Andersen, Börje Ljungberg, Lars Lund, Frode Nilsen, Pernilla Sundqvist, Christian Beisland
OBJECTIVE: The five Nordic countries comprise 25 million people, and have similar treatment traditions and healthcare systems. To take advantage of these similarities, a collaborative group (Nordic Renal Cancer Group, NORENCA) was founded in 2015. MATERIALS AND METHODS: A questionnaire of 17 questions on renal tumor management and surgical education was designed and sent to 91 institutions performing renal tumor surgery in 2015. The response rate was 68% (62 hospitals), including 28 academic, 25 central and nine district hospitals...
June 23, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28644688/intraosseous-administration-of-antidotes-a-systematic-review
#16
Audrée Elliott, Pierre-André Dubé, Amélie Cossette-Côté, Laura Patakfalvi, Eric Villeneuve, Martin Morris, Sophie Gosselin
CONTEXT: Intraosseous (IO) access is an established route of administration in resuscitation situations. Patients with serious poisoning presenting to the emergency department may require urgent antidote therapy. However, intravenous (IV) access is not always readily available. OBJECTIVE: This study reviews the current evidence for IO administration of antidotes that could be used in poisoning. The primary outcome was mortality as a surrogate of efficacy. Secondary outcomes included hemodynamic variables, electrocardiographic variables, neurological status, pharmacokinetics outcomes, and adverse effects as defined by each article...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28644682/management-of-severe-bupropion-poisoning-with-intravenous-lipid-emulsion
#17
Neeraj Chhabra, Carol DesLauriers, Michael Wahl, Sean M Bryant
BACKGROUND: Bupropion toxicity is characterized by central nervous system and cardiovascular toxicity. Intravenous lipid emulsion (ILE) has been suggested as a treatment by some for the treatment of refractory bupropion toxicity. This recommendation is based largely on published case reports and cases presented at scientific meetings. The objective of this study is to characterize the outcomes of patients with suspected bupropion toxicity in which ILE was administered and the indications for its use...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28644612/suppressing-isomerization-of-phosphine-protected-au9-cluster-by-bond-stiffening-induced-by-a-single-pd-atom-substitution
#18
Seiji Yamazoe, Shota Matsuo, Satoru Muramatsu, Shinjiro Takano, Kiyofumi Nitta, Tatsuya Tsukuda
The fluxional nature of small gold clusters has been exemplified by reversible isomerization between [Au9(PPh3)8](3+) with a crown motif (Au9(C)) and that with a butterfly motif (Au9(B)) induced by association and dissociation with compact counteranions (NO3(-), Cl(-)). However, structural isomerization was suppressed by substitution of the central Au atom of the Au9 core in [Au9(PPh3)8](3+) with a Pd atom: [PdAu8(PPh3)8](2+) with a crown motif (PdAu8(C)) did not isomerize to that with a butterfly motif (PdAu8(B)) upon association with the counteranions...
June 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28644580/a-free-ride-an-analysis-of-the-association-of-casino-bus-tours-and-problem-gambling-among-older-adults
#19
Mark van der Maas, Robert E Mann, Flora I Matheson, Nigel E Turner, Hayley A Hamilton, John McCready
BACKGROUND AND AIMS: Little research has examined the relationship between incentives used by gambling venues to attract customers and the experience of gambling related harm. Organized and subsidized bus tours are a common example of such incentives. The aim of this study was to examine whether bus tour patronage was associated with increased odds of problem gambling among older adults. This study also compared rates of bus tour use by sociodemographic characteristics and gambling behaviours...
June 23, 2017: Addiction
https://www.readbyqxmd.com/read/28644576/size-dependency-of-tree-growth-response-to-drought-among-norway-spruce-and-european-beech-individuals-in-monospecific-and-mixed-species-stands
#20
Haiyu Ding, Hans Pretzsch, Gerhard Schütze, Thomas Rötzer
Climatic anomalies have resulted in changing forest productivity, increasing tree mortality in Central and Southern Europe. This has resulted in more severe and frequent ecological disturbances to the forest stands. This study analysed the size dependency of growth response to drought years based on 384 tree individuals of Norway spruce (Picea abies [L.] Karst.) and European beech (Fagus sylvatica [L.]) in Bavaria, Germany. Samples were collected in both monospecific and mixed-species stands. To quantify the growth response of drought stress, indices including basal area increment, resistance, recovery, and resilience were calculated from tree ring measurements of increment cores...
June 23, 2017: Plant Biology
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