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https://www.readbyqxmd.com/read/28635541/association-between-abnormal-brain-functional-connectivity-in-children-and-psychopathology-a-study-based-on-graph-theory-and-machine-learning
#1
João Ricardo Sato, Claudinei Eduardo Biazoli, Giovanni Abrahão Salum, Ary Gadelha, Nicolas Crossley, Gilson Vieira, André Zugman, Felipe Almeida Picon, Pedro Mario Pan, Marcelo Queiroz Hoexter, Edson Amaro, Mauricio Anés, Luciana Monteiro Moura, Marco Antonio Gomes Del'Aquilla, Philip Mcguire, Luis Augusto Rohde, Euripedes Constantino Miguel, Andrea Parolin Jackowski, Rodrigo Affonseca Bressan
OBJECTIVES: One of the major challenges facing psychiatry is how to incorporate biological measures in the classification of mental health disorders. Many of these disorders affect brain development and its connectivity. In this study, we propose a novel method for assessing brain networks based on the combination of a graph theory measure (eigenvector centrality) and a one-class support vector machine (OC-SVM). METHODS: We applied this approach to resting-state fMRI data from 622 children and adolescents...
February 8, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28635404/safety-and-efficacy-of-hepasphere-50-100%C3%A2-%C3%AE-m-in-the-treatment-of-hepatocellular-carcinoma
#2
Charles Edouard Zurstrassen, Luiz Paulo De Oliveira Gireli, Chiang Jeng Tyng, Almir Galvão Vieira Bitencourt, Marcos Duarte Guimarães, Paula Nicole Vieira Barbosa, Aline Cristine Barbosa Santos Cavalcante, João Paulo Matushita Junior, Mauricio Kauark Amoedo, Felipe Jose Coimbra, Rogério Camargo Pinheiro Alves, Rubens Chojniak
AIM: To evaluate the effects of HepaSphere 50-100 μm (Merit Medical) as a doxorubicin carrier and embolization agent for the treatment of hepatocellular carcinoma (HCC). MATERIAL AND METHODS: A prospective analysis of 18 patients recruited from a national cancer center was conducted. This analysis evaluated the efficacy and safety of HepaSphere, as expressed by the treatment response rate (measured by the modified Response Evaluation Criteria in Solid Tumors, mRECIST) and by the prevalence of treatment-related adverse events, respectively...
February 14, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28634082/cytokine-modulation-by-stress-hormones-and-antagonist-specific-hormonal-inhibition-in-rainbow-trout-oncorhynchus-mykiss-and-gilthead-sea-bream-sparus-aurata-head-kidney-primary-cell-culture
#3
Ali Reza Khansari, David Parra, Felipe E Reyes-López, Lluís Tort
A tight interaction between endocrine and immune systems takes place mainly due to the key role of head kidney in both hormone and cytokine secretion, particularly under stress situations in which the physiological response promotes the synthesis and release of stress hormones which may lead into immunomodulation as side effect. Although such interaction has been previously investigated, this study evaluated for the first time the effect of stress-associated hormones together with their receptor antagonists on the expression of cytokine genes in head kidney primary cell culture (HKPCC) of the freshwater rainbow trout (Oncorhynchus mykiss) and the seawater gilthead sea bream (Sparus aurata)...
June 17, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28633743/lichen-sclerosus-et-atrophicus-atypical-case-simulating-lichen-planus
#4
Rafaella Cadore Olinger, Joseph Lucius Jorizzo, Felipe Bochnia Cerci
Lichen sclerosus et atrophicus (LSA) is a chronic inflammatory dermatosis, characterized by shiny, atrophic, hypochromic papules with a predilection for the genital and perineal skin. Extragenital involvement may occur, but is rare in the isolated form. LSA more commonly affects prepubertal and postmenopausal women. We describe an unusual case of isolated extragenital LSA, restricted to the wrists and mimicking lichen planus.
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28633049/physical-activity-correlates-among-24-230-people-with-depression-across-46-low-and-middle-income-countries
#5
Davy Vancampfort, Brendon Stubbs, Joseph Firth, Mats Hallgren, Felipe Schuch, Jouni Lahti, Simon Rosenbaum, Philip B Ward, James Mugisha, André F Carvalho, Ai Koyanagi
BACKGROUND: There is a paucity of nationally representative data available on the correlates of physical activity (PA) among people with depression, especially in low- and middle-income countries (LMICs). Thus, we investigated PA correlates among community-dwelling adults with depression in this setting. METHODS: World Health Survey data included 24,230 adults (43.1 ± 16.1 years; 36.1% male) with ICD-10 diagnoses of depression including brief depressive episode and subsyndromal depression aged ≥ 18 years from 46 LMICs...
June 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28632943/habitat-coupling-writ-large-pelagic-derived-materials-fuel-benthivorous-macroalgal-reef-fishes-in-an-upwelling-zone
#6
Felipe Docmac, Miguel Araya, Ivan A Hinojosa, Cristina Dorador, Chris Harrod
Coastal marine upwelling famously supports elevated levels of pelagic biological production, but can also subsidise production in inshore habitats via pelagic-benthic coupling. Consumers inhabiting macroalgae-dominated rocky reef habitats are often considered to be members of a food web fuelled by energy derived from benthic primary production; conversely, they may also be subsidised by materials transported from pelagic habitats. Here, we used stable isotopes (δ(13) C, δ(15) N) to examine the relative contribution of pelagic and benthic materials to an ecologically and economically important benthivorous fish assemblage inhabiting subtidal macroalgae-dominated reefs along ~1000 km of the northern Chilean coast where coastal upwelling is active...
June 20, 2017: Ecology
https://www.readbyqxmd.com/read/28630534/data-sharing-a-new-editorial-initiative-of-the-international-committee-of-medical-journal-editors-implications-for-the-editors-network
#7
Fernando Alfonso, Karlen Adamyan, Jean-Yves Artigou, Michael Aschermann, Michael Boehm, Alfonso Buendia, Pao-Hsien Chu, Ariel Cohen, Livio Dei Cas, Mirza Dilic, Anton Doubell, Dario Echeverri, Nuray Enç, Ignacio Ferreira-González, Krzysztof J Filipiak, Andreas Flammer, Eckart Fleck, Plamen Gatzov, Carmen Ginghina, Lino Goncalves, Habib Haouala, Mahmoud Hassanein, Gerd Heusch, Kurt Huber, Ivan Hulín, Mario Ivanusa, Rungroj Krittayaphong, Chu-Pak Lau, Germanas Marinskis, François Mach, Luiz Felipe Moreira, Tuomo Nieminen, Latifa Oukerraj, Stefan Perings, Luc Pierard, Tatjana Potpara, Walter Reyes-Caorsi, Se-Joong Rim, Olaf Rødevand, Georges Saade, Mikael Sander, Evgeny Shlyakhto, Bilgin Timuralp, Dimitris Tousoulis, Dilek Ural, J J Piek, Albert Varga, Thomas F Lüscher
The International Committee of Medical Journal Editors (ICMJE) provides recommendations to improve the editorial standards and scientific quality of biomedical journals. These recommendations range from uniform technical requirements to more complex and elusive editorial issues including ethical aspects of the scientific process. Recently, registration of clinical trials, conflicts of interest disclosure, and new criteria for authorship- emphasizing the importance of responsibility and accountability-, have been proposed...
May 2017: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/28630123/absence-of-the-polar-organizing-protein-popz-causes-aberrant-cell-division-in-agrobacterium-tumefaciens
#8
Matthew Howell, Alena Aliashkevich, Anne K Salisbury, Felipe Cava, Grant R Bowman, Pamela J B Brown
Agrobacterium tumefaciens is a rod-shaped bacterium that grows by polar insertion of new peptidoglycan during cell elongation. As the cell cycle progresses, peptidoglycan synthesis at the pole ceases prior to insertion of new peptidoglycan at mid-cell to enable cell division. The A. tumefaciens homolog of the Caulobacter crescentus polar organelle development protein PopZ has been identified as a growth pole marker and a candidate polar growth promoting factor. Here, we characterize the function of PopZ in cell growth and division of A...
June 19, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28629969/prevalence-and-serotype-distribution-of-listeria-monocytogenes-isolated-from-foods-in-montevideo-uruguay
#9
Valeria Braga, Sylvia Vázquez, Victoria Vico, Valeria Pastorino, María Inés Mota, Marcela Legnani, Felipe Schelotto, Gustavo Lancibidad, Gustavo Varela
The aim of this work was to study the prevalence of Listeria monocytogenes in foods obtained in retail shops and food industries located in Montevideo-Uruguay, and to identify the serogroups of the obtained isolates. Three-thousand one-hundred and seventy-five food samples (frozen, deli meats, ready-to-eat and cheese) were analyzed. The obtained isolates were serogrouped by multiplex PCR and serotyped by conventional procedure. Genetic comparisons were performed using pulsed-field gel electrophoresis on a sub-set of isolates belonging to the same serotype successively recovered from the same establishment...
June 3, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28629662/pyoderma-gangrenosum-classic-and-emerging-therapies
#10
REVIEW
Felipe Soto Vilches, Cristián Vera-Kellet
Pyoderma gangrenosum is an ulceronecrotising dermatosis that represents a challenge for any clinician, not only for its ability to mimic other dermatoses but also for its lack of response to treatment. During the past year, there have been new studies about the efficacy of standard therapies, such as cyclosporine and systemic corticosteroids. These studies showed that classic treatment was comparable, but they are insufficient as monotherapy. That being said, new emerging therapies are becoming important, as the use of corticosteroid-sparing agents, tumour necrosis factor inhibitors or even surgery...
June 16, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28629076/effect-of-acute-and-long-term-administration-of-gold-nanoparticles-on-biochemical-parameters-in-rat-brain
#11
Gabriela K Ferreira, Eria Cardoso, Francieli Silva Vuolo, Letícia Selinger Galant, Monique Michels, Cinara L Gonçalves, Gislaine Tezza Rezin, Felipe Dal-Pizzol, Roberto Benavides, Gabriel Alonso-Núñez, Vanessa Moraes Andrade, Emilio L Streck, Marcos Marques da Silva Paula
The present study investigated stress oxidative parameters and activities of enzymes of the energy metabolism in various brain structures. Rats were subjected to acute and long-term administration of gold nanoparticles (GNPs) with mean diameters of 10nm and 30nm. Adult (60days old) male Wistar rats received a single intraperitoneal injection (acute administration; 70μg·kg(-1)) or repeated injections once daily for 28days (long-term administration; 70μg·kg(-1)) of saline solution or GNPs (10nm or 30nm). Twenty-four hours after administration of the final dose, the animals were killed and the cerebral structures were isolated for enzyme analysis...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28628273/exposure-of-induced-pluripotent-stem-cell-derived-vascular-endothelial-and-smooth-muscle-cells-in-coculture-to-hemodynamics-induces-primary-vascular-cell-like-phenotypes
#12
Maria S Collado, Banumathi K Cole, Robert A Figler, Mark Lawson, David Manka, Michael B Simmers, Steve Hoang, Felipe Serrano, Brett R Blackman, Sanjay Sinha, Brian R Wamhoff
Human induced pluripotent stem cells (iPSCs) can be differentiated into vascular endothelial (iEC) and smooth muscle (iSMC) cells. However, because iECs and iSMCs are not derived from an intact blood vessel, they represent an immature phenotype. Hemodynamics and heterotypic cell:cell communication play important roles in vascular cell phenotypic modulation. Here we tested the hypothesis that hemodynamic exposure of iECs in coculture with iSMCs induces an in vivo-like phenotype. iECs and iSMCs were cocultured under vascular region-specific blood flow hemodynamics, and compared to hemodynamic cocultures of blood vessel-derived endothelial (pEC) and smooth muscle (pSMC) cells...
June 19, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28626969/different-patterns-of-expression-of-cell-cycle-control-and-local-invasion-related-proteins-in-oral-squamous-cell-carcinoma-affecting-young-patients
#13
Marisol Miranda Galvis, Alan Roger Santos-Silva, Juscelino Freitas Jardim, Felipe Paiva Fonseca, Marcio A Lopes, Oslei P Almeida, Clóvis A Lópes Pinto, Estela Kaminagakura, Iris Sawazaki-Calone, Paul M Speight, Luiz Paulo Kowalski
Oral squamous cell carcinoma (OSCC) predominantly affects males in the fifth decade of life; nevertheless, an increased incidence in young patients has been reported worldwide and the clinical and behavioral characteristics of tumors in this group are controversial and the literature shows divergent results PURPOSE: To investigate the clinicopathological features and prognostic significance of the immunoexpression of cell cycle and local invasion proteins in OSCC affecting young patients (≤ 40 years old) METHODS: A tissue microarray was performed with 132 OSCC samples (61 cases of young patients vs...
June 19, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28625352/rna-seq-and-metabolic-flux-analysis-of-tetraselmis-sp-m8-during-nitrogen-starvation-reveals-a-two-stage-lipid-accumulation-mechanism
#14
David K Y Lim, Holger Schuhmann, Skye R Thomas-Hall, Kenneth C K Chan, Taylor J Wass, Felipe Aguilera, T Catalina Adarme-Vega, Cristiana G O Dal'Molin, Glen J Thorpe, Jacqueline Batley, David Edwards, Peer M Schenk
To map out key lipid-related pathways that lead to rapid triacylglyceride accumulation in oleaginous microalgae, RNA-Seq was performed with Tetraselmis sp. M8 at 24h after exhaustion of exogenous nitrogen to reveal molecular changes during early stationary phase. Further gene expression profiling by quantitative real-time PCR at 16-72h revealed a distinct shift in expression of the fatty acid/triacylglyceride biosynthesis and β-oxidation pathways, when cells transitioned from log-phase into early-stationary and stationary phase...
June 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28624912/sustainable-cattle-ranching-in-practice-moving-from-theory-to-planning-in-colombia-s-livestock-sector
#15
Amy M Lerner, Andrés Felipe Zuluaga, Julián Chará, Andrés Etter, Timothy Searchinger
A growing population with increasing consumption of milk and dairy require more agricultural output in the coming years, which potentially competes with forests and other natural habitats. This issue is particularly salient in the tropics, where deforestation has traditionally generated cattle pastures and other commodity crops such as corn and soy. The purpose of this article is to review the concepts and discussion associated with reconciling food production and conservation, and in particular with regards to cattle production, including the concepts of land-sparing and land-sharing...
June 17, 2017: Environmental Management
https://www.readbyqxmd.com/read/28623732/safety-and-acceptability-of-transcranial-direct-current-stimulation-for-the-acute-treatment-of-major-depressive-episodes-analysis-of-individual-patient-data
#16
Adriano H Moffa, André R Brunoni, Felipe Fregni, Ulrich Palm, Frank Padberg, Daniel M Blumberger, Zafiris J Daskalakis, Djamila Bennabi, Emmanuel Haffen, Angelo Alonzo, Colleen K Loo
BACKGROUND: Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation modality that has been increasingly used for major depressive disorder (MDD) treatment. Although studies in healthy volunteers showed that the technique is well-tolerated, tDCS safety and acceptability have not been sufficiently explored in patients with MDD. METHODS: We collected individual patient data from 6 randomized clinical trials that had been previously identified in a systematic review and meta-analysis...
June 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28623065/upper-limb-neurodynamic-test-1-in-patients-with-clinical-diagnosis-of-carpal-tunnel-syndrome-a-diagnostic-accuracy-study
#17
Maria-Constanza Trillos, Felipe Soto, Leonardo Briceno-Ayala
STUDY DESIGN: Diagnostic accuracy. INTRODUCTION: Upper limb neurodynamic test 1 (ULNT1) is used to evaluate the mechanical sensitivity especially in the peripheral nerves of the upper limbs. The reproduction of typical symptoms in the affected hand improves the estimation of the probability of carpal tunnel syndrome (CTS). However the test has not been evaluated sufficiently to determine its real usefulness. In the present study the diagnostic accuracy of ULNT1 as a clinical test for CTS was determined...
June 13, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28622164/measuring-left-ventricular-size-in-non-electrocardiographic-gated-chest-computed-tomography-what-radiologists-should-know
#18
Felipe S Torres, Luciano Folador, Diego A Eifer, Murilo Foppa, Kate Hanneman
Non-electrocardiographic (ECG)-gated computed tomography (CT) of the chest is one of the most commonly performed imaging studies. Although the heart is included in every CT study, cardiac findings are commonly underreported in radiology reports. Left ventricular size is one of the most important prognostic markers in multiple cardiac diseases and can be measured on almost all non-ECG-gated multidetector chest CT studies. This review will discuss the available evidence on different measurements of left ventricular size obtained on non-ECG-gated CT of the chest...
June 15, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28621976/dark-vibronic-polaritons-and-the-spectroscopy-of-organic-microcavities
#19
Felipe Herrera, Frank C Spano
Organic microcavities are photonic nanostructures that strongly confine the electromagnetic field, allowing exotic quantum regimes of light-matter interaction with disordered organic semiconductors. The unambiguous interpretation of the spectra of organic microcavities has been a long-standing challenge due to several competing effects involving electrons, vibrations, and cavity photons. Here we present a theoretical framework that is able to describe the main spectroscopic features of organic microcavities consistently...
June 2, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28621694/ergonomics-as-a-tool-to-improve-the-sustainability-of-the-workforce
#20
Felipe Meyer, Gabriel Eweje, David Tappin
BACKGROUND: The sustainability of the workforce is threatened due to working conditions. One of the reasons for this is an imbalance between the working conditions and the capacity of the workers. OBJECTIVE: The objective of the paper, based on a literature review, is to explore the relationship between two main concepts, beginning with sustainability, and finished with ergonomics. Based on that relationship, determine if ergonomics could be helpful to improve the sustainability of the workforce...
June 14, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
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