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https://www.readbyqxmd.com/read/28635546/physical-activity-and-asthma-a-longitudinal-and-multi-country-study
#1
Melissa A Russell, Christer Janson, Francisco Gómez Real, Ane Johannessen, Marie Waatevik, Bryndis Benediktsdóttir, Mathias Holm, Eva Lindberg, Vivi Schlünssen, Wasif Raza, Shyamali C Dharmage, Cecilie Svanes
OBJECTIVE: To investigate the impact of physical activity on asthma in middle-aged adults, in one longitudinal analysis, and one multi-centre cross-sectional analysis. METHODS: The Respiratory Health in Northern Europe (RHINE) is a population-based postal questionnaire cohort study. Physical activity, height and weight were self-reported in Bergen, Norway, at RHINE II (1999-2001) and all centres at RHINE III (2010-2012). A longitudinal analysis of Bergen data investigated the association of baseline physical activity with follow-up asthma, incident asthma and symptoms, using logistic and zero-inflated Poisson regression (n = 1782)...
February 16, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
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
#2
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/28634498/evaluation-of-in-vitro-cytotoxicity-biocompatibility-and-changes-in-the-expression-of-apoptosis-regulatory-proteins-induced-by-cerium-oxide-nanocrystals
#3
Shahanavaj Khan, Anees A Ansari, Christian Rolfo, Andreia Coelho, Maha Abdulla, Khayal Al-Khayal, Rehan Ahmad
Cerium oxide nanocrystals (CeO2-NCs) exhibit superoxide dismutase and catalase mimetic activities. Based on these catalytic activities, CeO2-NCs have been suggested to have the potential to treat various diseases. The crystalline size of these materials is an important factor that influences the performance of CeO2-NCs. Previous reports have shown that several metal-based nanocrystals, including CeO2-NCs, can induce cytotoxicity in cancer cells. However, the underlying mechanisms have remained unclear. To characterize the anticancer activities of CeO2-NCs, several assays related to the mechanism of cytotoxicity and induction of apoptosis has been performed...
2017: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/28634387/quasiparticle-and-optical-properties-of-strained-stanene-and-stanane
#4
Pengfei Lu, Liyuan Wu, Chuanghua Yang, Dan Liang, Ruge Quhe, Pengfei Guan, Shumin Wang
Quasiparticle band structures and optical properties of two dimensional stanene and stanane (fully hydrogenated stanene) are studied by the GW and GW plus Bethe-Salpeter equation (GW-BSE) approaches, with inclusion of the spin-orbit coupling (SOC). The SOC effect is significant for the electronic and optical properties in both stanene and stanane, compared with their group IV-enes and IV-anes counterparts. Stanene is a semiconductor with a quasiparticle band gap of 0.10 eV. Stanane has a sizable band gap of 1...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28632939/acute-skin-trauma-induces-hyperemia-but-superficial-papillary-nutritive-perfusion-remains-unchanged
#5
Liv Kristin Sundheim, Ane Halse Sporastøyl, Torjus Wester, Göran Salerud, Knut Kvernebo
OBJECTIVES: Superficial skin papillary capillaries with blood supply from a superficial vascular plexus and regulated by local metabolic needs, supply oxygen and nutrient for epithelial cell proliferation. A deep vascular plexus regulated by autonomous nerves serves body thermoregulation. In healthy volunteers we assessed circulatory effects of a standardised skin trauma by computer assisted video m microscopy (CAVM), diffuse reflectance spectroscopy (DRS), and laser Doppler perfusion measurements (LDPM) to assess the measuring depth of the three techniques and to describe the acute trauma effects on nutritive and thermoregulatory perfusion...
June 20, 2017: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/28631252/synthesis-and-characterization-of-novel-carboxymethyl-assam-bora-rice-starch-for-the-controlled-release-of-cationic-anticancer-drug-based-on-electrostatic-interactions
#6
Sharmistha Mohapatra, Anees Ahmad Siddiqui, Mohammed Anwar, Neha Bhardwaj, Sohail Akhter, Farhan Jalees Ahmad
Carboxymethyl Assam Bora rice starch (CM-ABRS) was chemically synthesized in non-aqueous medium with the optimum degree of substitution (DS) of 1.23, and physicochemically characterized by FT-IR, DSC, XRD, and SEM analysis. Comparative evaluation of CM-ABRS with native starch (ABRS) for powder flow characteristics, swelling index, apparent solubility, rheological properties, textural properties, and mucoadhesive studies were carried out. The aim of the current work was to investigate the potential of CM-ABRS as a novel carrier for the water-soluble chemotherapeutic, doxorubicin hydrochloride (DOX)...
June 19, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28626570/riboflavin-as-a-bioorthogonal-photocatalyst-for-the-activation-of-a-pt-iv-prodrug
#7
Silvia Alonso-de Castro, Emmanuel Ruggiero, Ane Ruiz-de-Angulo, Elixabete Rezabal, Juan C Mareque-Rivas, Xabier Lopez, Fernando López-Gallego, Luca Salassa
Encouraging developments demonstrate that few transition metal and organometallic catalysts can operate in a bioorthogonal fashion and promote non-natural chemistry in living systems by minimizing undesired side reactions with cellular components. These catalytic processes have potential for applications in medicinal chemistry and chemical biology. However, the stringent conditions of the cell environment severely limit the number of accessible metal catalysts and exogenous reactions. Herein, we report an unorthodox approach and a new type of bioorthogonal catalytic reaction, in which a metal complex is an unconventional substrate and an exogenous biological molecule acts as a catalyst...
June 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28626559/reversible-mechanical-protection-building-a-3d-suit-around-a-t-shaped-benzimidazole-axle
#8
Kelong Zhu, Giorgio Baggi, V Nicholas Vukotic, Stephen J Loeb
The T-shaped benzimidazolium/crown ether recognition motif was used to prepare suit[1]anes. These novel mechanically interlocked molecules (MIMs) were fully characterized by (1)H and (13)C NMR spectroscopy, single-crystal X-ray diffraction, UV-vis absorption and fluorescence spectroscopy. By conversion to a suit[1]ane, a simple benzimidazole was shown to be protected from deprotonation by strong base. Moreover, it was demonstrated that this unique three-dimensional encapsulation can be made reversible, thus introducing the concept of "reversible mechanical protection"; a protecting methodology that may have potential applications in synthetic organic chemistry and the design of molecular machinery...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28625787/structural-snapshots-and-loop-dynamics-along-the-catalytic-cycle-of-glycosyltransferase-gpgs
#9
David Albesa-Jové, Javier Romero-García, Enea Sancho-Vaello, F-Xabier Contreras, Ane Rodrigo-Unzueta, Natalia Comino, Ana Carreras-González, Pedro Arrasate, Saioa Urresti, Xevi Biarnés, Antoni Planas, Marcelo E Guerin
Glycosyltransferases (GTs) play a central role in nature. They catalyze the transfer of a sugar moiety to a broad range of acceptor substrates. GTs are highly selective enzymes, allowing the recognition of subtle structural differences in the sequences and stereochemistry of their sugar and acceptor substrates. We report here a series of structural snapshots of the reaction center of the retaining glucosyl-3-phosphoglycerate synthase (GpgS). During this sequence of events, we visualize how the enzyme guides the substrates into the reaction center where the glycosyl transfer reaction takes place, and unveil the mechanism of product release, involving multiple conformational changes not only in the substrates/products but also in the enzyme...
May 26, 2017: Structure
https://www.readbyqxmd.com/read/28624883/heart-rate-recovery-after-6-min-walking-test-predicts-acute-exacerbation-in-copd
#10
Diego A Rodríguez, Eleni A Kortianou, Jennifer A Alison, Alejandro Casas, Santiago Giavedoni, Anael Barberan-Garcia, Ane Arbillaga, Jordi Vilaró, Elena Gimeno-Santos, Ioannis Vogiatzis, Roberto Rabinovich, Josep Roca
INTRODUCTION: Abnormalities of autonomic function have been reported in patients with chronic obstructive pulmonary disease (COPD). Our objectives were to identify determinants of abnormal heart rate recovery at 1 min (HRR1) following completion of the 6-min walk test (6MWT) in COPD and to establish whether abnormal HRR1 predicts acute exacerbations (AECOPD). METHODS: Hundred one COPD patients (FEV1 (SD) 53 (19)  % predicted) were prospectively recruited in a multi-center study...
June 17, 2017: Lung
https://www.readbyqxmd.com/read/28621225/decreased-expression-of-mgmt-in-correlation-with-aberrant-dna-methylation-in-esophageal-cancer-patients-from-north-india
#11
Asad Ur Rehman, Snigdha Saikia, Mohammad Askandar Iqbal, Istaq Ahmad, Sadaf, Afzal Anees, P S Aravinda, Pramod Kumar Mishra, Suresh Hedau, Sundeep Singh Saluja, Subhash Medhi, Syed Akhtar Husain
O-6-methylguanine-DNA methyltransferase, DNA repair gene, has been found to be involved with the pathogenesis of the esophageal cancer. DNA hypermethylation and other factors have been suggested to downregulate O-6-methylguanine-DNA methyltransferase. In this communication, the methylation status of O-6-methylguanine-DNA methyltransferase gene and the corresponding O-6-methylguanine-DNA methyltransferase protein expression in esophageal cancer from North India has been studied. In all, 80 samples of tumor tissue along with adjacent normal tissue as controls were analyzed for messenger RNA level of O-6-methylguanine-DNA methyltransferase gene, protein expression, and subcellular localization...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28620434/top-tips-to-deal-with-challenging-situations-doctor-patient-interactions
#12
Georgia Hardavella, Ane Aamli-Gaagnat, Armin Frille, Neil Saad, Alexandra Niculescu, Pippa Powell
When challenging situations arise in doctor-patient interactions, how can we best manage them? http://ow.ly/J1GI30bD5wp.
June 2017: Breathe
https://www.readbyqxmd.com/read/28619764/medicoeconomic-analysis-of-lobectomy-using-thoracoscopy-versus-thoracotomy-for-lung-cancer-a-study-protocol-for-a-multicentre-randomised-controlled-trial-lungsco01
#13
Pierre-Benoit Pagès, Halim Abou Hanna, Anne-Claire Bertaux, Ludwig Serge Serge Aho, Pierre Magdaleinat, Jean-Marc Baste, Marc Filaire, Richard de Latour, Jalal Assouad, François Tronc, Christophe Jayle, Jérome Mouroux, Pascal-Alexandre Thomas, Pierre-Emmanuel Falcoz, Charles-Henri Marty-Ané, Alain Bernard
INTRODUCTION: In the last decade, video-assisted thoracoscopic surgery (VATS) lobectomy for non-small cell lung cancer (NSCLC) has had a major effect on thoracic surgery. Retrospective series have reported benefits of VATS when compared with open thoracotomy in terms of postoperative pain, postoperative complications and length of hospital stay. However, no large randomised control trial has been conducted to assess the reality of the potential benefits of VATS lobectomy or its medicoeconomic impact...
June 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28619177/women-with-symptoms-of-sleep-disordered-breathing-are-less-likely-to-be-diagnosed-and-treated-for-sleep-apnea-than-men
#14
Eva Lindberg, Bryndis Benediktsdottir, Karl A Franklin, Mathias Holm, Ane Johannessen, Rain Jögi, Thorarinn Gislason, Francisco Gomez Real, Vivi Schlünssen, Christer Janson
BACKGROUND: Women are often underrepresented at sleep clinics evaluating sleep-disordered breathing (SDB). The aim of the present study was to analyze gender differences in sleep apnea diagnosis and treatment in men and women with similar symptoms of SDB. METHODS: Respiratory Health in Northern Europe (RHINE) provided information about snoring, excessive daytime sleepiness (EDS), BMI and somatic diseases at baseline (1999-2001) and follow-up (2010-2012) from 4962 men and 5892 women...
July 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28618877/effect-of-natural-polymers-on-the-survival-of-lactobacillus-casei-encapsulated-in-alginate-microspheres
#15
Fábio J Rodrigues, Michele H Omura, Marina F Cedran, Robert F H Dekker, Aneli M Barbosa-Dekker, Sandra Garcia
Linseed and okra mucilages, the fungal exopolysaccharide botryosphaeran, and commercial fructo-oligosaccharides (FOS) were used to microencapsulate Lactobacillus casei LC-01 and Lactobacillus casei BGP 93 in sodium alginate microspheres by the extrusion technique in calcium chloride. The addition of carbohydrate biopolymers from linseed, okra and the fungal exocellular (1→3)(1→6)-β-D-glucan, named botryosphaeran provided higher encapsulation efficiency (EE) (> 93% and > 86%) for L. casei LC 01 and L...
June 16, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28615114/experimental-assessment-of-physician-modified-proximal-scalloped-stent-graft-to-extend-proximal-landing-zone-in-the-aortic-arch
#16
E M Faure, I Khantalin, P A Peyron, L Canaud, C Marty-Ané, P Alric
OBJECTIVE/BACKGROUND: The aim of the study was to assess a model of physician modified scalloped stent graft (PMSG) on currently available thoracic aortic devices to extend the proximal landing zone in either zone 2, 1 or 0 of the aortic arch while preserving flow in the supra-aortic vessels on human cadaveric aorta. METHODS: Fresh human aortas were harvested at autopsy from adult subjects. A proximal scallop was made on the stent grafts based on direct measurements on the aortas to extend the proximal landing zone in zone 0 (n = 5), zone 1 (n = 5), and zone 2 (n = 5)...
June 11, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28614503/user-satisfaction-with-primary-health-care-by-region-in-brazil-1st-cycle-of-external-evaluation-from-pmaq-ab
#17
Ane Polline Lacerda Protasio, Luciano Bezerra Gomes, Liliane Dos Santos Machado, Ana Maria Gondim Valença
The National Program for Access and Quality Improvement in Primary Care (Programa Nacional de Melhoria do Acesso e da Qualidade da Atenção Básica, PMAQ-AB) aimed to improve healthcare public service quality and satisfaction of health service users. This study's objective was to identify the main factors influencing user satisfaction with primary care (PC) services by region in Brazil. Using secondary data from the 1st Cycle of PMAQ-AB, logistic regression models were developed by region, with user satisfaction as the dependent variable, as defined by cluster analysis...
June 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28612580/new-genetic-variation-in-bcr-gene-of-major-b3a2-breakpoint-bcr-abl-fusion-gene-in-patients-with-chronic-myelogenous-leukemia-in-yogyakarta-indonesia
#18
Tri Agusti Sholikah, Susanna Hilda Hutajulu, Dewi Sulistyawati, Sumartiningsih Aning, Sri Fatmawati, Anditta Syifarahmah, Kartika Widayati, Johan Kurnianda, Dewi Kartikawati Paramita
Background: Polymorphic bases in several exons of the BCR gene have been found in several studies of the BCR-ABL fusion gene . Most of the polymorphisms do not have any implications for the primary structure of the BCR-ABL protein. Nucleotide changes are often located in the area close to the fusion region, and therefore may influence primer annealing. Our previous work failed to amplify 15 of 200 samples from BCR-ABL positive chronic myelogenous leukemia (CML) patients using multiplex PCR, the standard method to detect BCR-ABL transcripts used in our institution...
May 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28611736/copper-resistance-in-aspergillus-nidulans-relies-on-the-pi-type-atpase-crpa-regulated-by-the-transcription-factor-acea
#19
Martzel Antsotegi-Uskola, Ane Markina-Iñarrairaegui, Unai Ugalde
Copper homeostasis has been extensively studied in mammals, bacteria, and yeast, but it has not been well-documented in filamentous fungi. In this report, we investigated the basis of copper tolerance in the model fungus Aspergillus nidulans. Three genes involved in copper homeostasis have been characterized. First, crpA the A. nidulans ortholog of Candida albicans CaCRP1 gene encoding a PI-type ATPase was identified. The phenotype of crpA deletion led to a severe sensitivity to Cu(+2) toxicity and a characteristic morphological growth defect in the presence of high copper concentration...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28605928/targeted-temperature-management-after-out-of-hospital-cardiac-arrest-in-three-young-patients
#20
Amina Godinjak, Amer Iglica, Adis Kukuljac, Ira Tančica, Selma Jusufović, Anes Ajanović, Šejla Rožajac
OBJECTIVE: We present the use of targeted temperature management in a tertiary-level intensive care unit, in three patients who experienced an out-of-hospital cardiac arrest. CASE REPORT: Three young patients experienced an out-of-hospital non-coronary cardiac arrest. The causes of the cardiac arrest were: Wolf-Parkinson-White syndrome, drug overdose and long-QT syndrome. All patients were resuscitated according to the advanced cardiac life support guidelines, and treated with targeted temperature management, with a target temperature of 33°C for 24 hours...
May 2017: Acta Medica Academica
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