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https://www.readbyqxmd.com/read/28454269/bone-marrow-derived-dendritic-cells-under-influence-of-experimental-breast-cancer-and-physical-activity
#1
Douglas R Abdalla, Bruno B M Gomes, Eddie F C Murta, Márcia A Michelin
Immune cells are required in the immune response against tumours, although sometimes without success. The present study aimed to investigate dendritic cell (DC) maturation in animals with induced immunosuppression that were subjected to physical activity (PA). Immunosuppression was induced using 7,12-dimethyl-benzanthracene (DMBA). A total of 56 Balb/c mice were divided into four groups, including the control group, non-DMBA administered/PA group (GII), DMBA administered/non-PA group (GIII) and the DMBA administered/PA group (GIV)...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453939/all-atom-molecular-dynamics-simulations-of-peptide-amphiphile-assemblies-that-spontaneously-form-twisted-and-helical-ribbon-structures
#2
Cheng-Tsung Lai, Nathaniel L Rosi, George C Schatz
Self-assembly of peptide amphiphiles (PAs) has been an active research area as the assemblies can be programmed into various shaped nanostructures. Although cylindrical micelles are common structures, gold-binding peptide conjugates PEPAu can self-assemble into chiral nanofibers with single or double helices. When gold nanoparticles bind to the helices, the resulting chiral nanoparticle assemblies have a collective plasmonic circular dichroism signal that can serve as nanoscale circular polarizers or chiroptical sensors...
April 28, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28453929/synthesis-of-lipophilic-core-shell-fe3o4-sio2-au-nanoparticles-and-polymeric-entrapment-into-nano-micelle-a-novel-nanosystem-for-in-vivo-active-targeting-and-magnetic-resonance-photoacoustic-dual-imaging
#3
Ilaria Monaco, Francesca Arena, Stefania Biffi, Erika Locatelli, Barbara Bortot, Francesca La Cava, Giada Maria Marini, Gian Maria Severini, Enzo Terreno, Mauro Comes Franchini
In this work, iron/silica/gold core-shell nanoparticles (Fe3O4@SiO2@Au NPs) characterized by magnetic and optical properties have been synthetized to obtain a promising theranostic platform. In order to improve their biocompatibility, the obtained multilayer nanoparticles have been entrapped in polymeric micelles (PMs), decorated with folic acid moieties and tested in vivo for Photoacustic (PA) and MRI detection of ovarian cancer.
April 28, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28453618/long-term-effects-of-class-ii-herbst-treatment-on-the-pharyngeal-airway-width
#4
Christoph Drosen, Niko Christian Bock, Julia von Bremen, Hans Pancherz, Sabine Ruf
Objective: The aim was to assess the long-term effects of Class II malocclusion treatment with the Herbst appliance on the pharyngeal airway (PA) width in comparison to untreated individuals with Classes I and II malocclusion. Methods: Lateral cephalometric radiographs of 13 male Class II patients from before (T1) and after (T2) treatment with the Herbst appliance as well as after the end of growth (T3) were retrospectively analyzed and compared to two untreated age- and gender-matched samples with Class I (n = 13) or Class II (n = 13) malocclusion...
April 27, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28453393/new-dawn-for-the-poly-a-site-ending-the-message-expands-gene-regulation
#5
Jonathan Neve, Radhika Patel, Zhiqiao Wang, Alastair Louey, André Martin Furger
Cleavage and polyadenylation (pA) is a fundamental step that is required for the maturation of primary protein encoding transcripts into functional mRNAs that can be exported from the nucleus and translated in the cytoplasm. 3'end processing is dependent on the assembly of a multiprotein processing complex on the pA signals that reside in the pre-mRNAs. Most eukaryotic genes have multiple pA signals, resulting in alternative cleavage and polyadenylation (APA), a widespread phenomenon that is important to establish cell state and cell type specific transcriptomes...
April 28, 2017: RNA Biology
https://www.readbyqxmd.com/read/28448563/corticosteroids-effects-on-lps-induced-rat-inflammatory-keratocyte-cell-model
#6
Huize Yan, Yingwei Wang, Shuhao Shen, Zheng Wu, Pengxia Wan
PURPOSE: Corticosteroids are efficient anti-inflammation treatments. However, there are still arguments on whether it should be used in keratitis. This study was to observe the effect of corticosteroids on keratocytes both in normal condition and inflammation status in vitro. METHODS: Rat keratocytes were cultured and used for examination. 10 μg/ml lipopolysaccharide (LPS) was used to establish the inflammatory keratocyte cell model, and prednisolone acetate (PA), dexamethasone (Dex) and fluorometholone (Flu) were used as corticosteroids treatments...
2017: PloS One
https://www.readbyqxmd.com/read/28448514/a-new-gtf2i-braf-fusion-mediating-mapk-pathway-activation-in-pilocytic-astrocytoma
#7
Tajana Tešan Tomić, Josefin Olausson, Annica Wilzén, Magnus Sabel, Katarina Truvé, Helene Sjögren, Sándor Dósa, Magnus Tisell, Birgitta Lannering, Fredrik Enlund, Tommy Martinsson, Pierre Åman, Frida Abel
Pilocytic astrocytoma (PA) is the most common pediatric brain tumor. A recurrent feature of PA is deregulation of the mitogen activated protein kinase (MAPK) pathway most often through KIAA1549-BRAF fusion, but also by other BRAF- or RAF1-gene fusions and point mutations (e.g. BRAFV600E). These features may serve as diagnostic and prognostic markers, and also facilitate development of targeted therapy. The aims of this study were to characterize the genetic alterations underlying the development of PA in six tumor cases, and evaluate methods for fusion oncogene detection...
2017: PloS One
https://www.readbyqxmd.com/read/28448512/suppression-of-the-escherichia-coli-dnaa46-mutation-by-changes-in-the-activities-of-the-pyruvate-acetate-node-links-dna-replication-regulation-to-central-carbon-metabolism
#8
Joanna Tymecka-Mulik, Lidia Boss, Monika Maciąg-Dorszyńska, João F Matias Rodrigues, Lidia Gaffke, Anna Wosinski, Grzegorz M Cech, Agnieszka Szalewska-Pałasz, Grzegorz Węgrzyn, Monika Glinkowska
To ensure faithful transmission of genetic material to progeny cells, DNA replication is tightly regulated, mainly at the initiation step. Escherichia coli cells regulate the frequency of initiation according to growth conditions. Results of the classical, as well as the latest studies, suggest that the DNA replication in E. coli starts at a predefined, constant cell volume per chromosome but the mechanisms coordinating DNA replication with cell growth are still not fully understood. Results of recent investigations have revealed a role of metabolic pathway proteins in the control of cell division and a direct link between metabolism and DNA replication has also been suggested both in Bacillus subtilis and E...
2017: PloS One
https://www.readbyqxmd.com/read/28448500/genome-wide-physical-activity-interactions-in-adiposity-a-meta-analysis-of-200-452-adults
#9
Mariaelisa Graff, Robert A Scott, Anne E Justice, Kristin L Young, Mary F Feitosa, Llilda Barata, Thomas W Winkler, Audrey Y Chu, Anubha Mahajan, David Hadley, Luting Xue, Tsegaselassie Workalemahu, Nancy L Heard-Costa, Marcel den Hoed, Tarunveer S Ahluwalia, Qibin Qi, Julius S Ngwa, Frida Renström, Lydia Quaye, John D Eicher, James E Hayes, Marilyn Cornelis, Zoltan Kutalik, Elise Lim, Jian'an Luan, Jennifer E Huffman, Weihua Zhang, Wei Zhao, Paula J Griffin, Toomas Haller, Shafqat Ahmad, Pedro M Marques-Vidal, Stephanie Bien, Loic Yengo, Alexander Teumer, Albert Vernon Smith, Meena Kumari, Marie Neergaard Harder, Johanne Marie Justesen, Marcus E Kleber, Mette Hollensted, Kurt Lohman, Natalia V Rivera, John B Whitfield, Jing Hua Zhao, Heather M Stringham, Leo-Pekka Lyytikäinen, Charlotte Huppertz, Gonneke Willemsen, Wouter J Peyrot, Ying Wu, Kati Kristiansson, Ayse Demirkan, Myriam Fornage, Maija Hassinen, Lawrence F Bielak, Gemma Cadby, Toshiko Tanaka, Reedik Mägi, Peter J van der Most, Anne U Jackson, Jennifer L Bragg-Gresham, Veronique Vitart, Jonathan Marten, Pau Navarro, Claire Bellis, Dorota Pasko, Åsa Johansson, Søren Snitker, Yu-Ching Cheng, Joel Eriksson, Unhee Lim, Mette Aadahl, Linda S Adair, Najaf Amin, Beverley Balkau, Juha Auvinen, John Beilby, Richard N Bergman, Sven Bergmann, Alain G Bertoni, John Blangero, Amélie Bonnefond, Lori L Bonnycastle, Judith B Borja, Søren Brage, Fabio Busonero, Steve Buyske, Harry Campbell, Peter S Chines, Francis S Collins, Tanguy Corre, George Davey Smith, Graciela E Delgado, Nicole Dueker, Marcus Dörr, Tapani Ebeling, Gudny Eiriksdottir, Tõnu Esko, Jessica D Faul, Mao Fu, Kristine Færch, Christian Gieger, Sven Gläser, Jian Gong, Penny Gordon-Larsen, Harald Grallert, Tanja B Grammer, Niels Grarup, Gerard van Grootheest, Kennet Harald, Nicholas D Hastie, Aki S Havulinna, Dena Hernandez, Lucia Hindorff, Lynne J Hocking, Oddgeir L Holmens, Christina Holzapfel, Jouke Jan Hottenga, Jie Huang, Tao Huang, Jennie Hui, Cornelia Huth, Nina Hutri-Kähönen, Alan L James, John-Olov Jansson, Min A Jhun, Markus Juonala, Leena Kinnunen, Heikki A Koistinen, Ivana Kolcic, Pirjo Komulainen, Johanna Kuusisto, Kirsti Kvaløy, Mika Kähönen, Timo A Lakka, Lenore J Launer, Benjamin Lehne, Cecilia M Lindgren, Mattias Lorentzon, Robert Luben, Michel Marre, Yuri Milaneschi, Keri L Monda, Grant W Montgomery, Marleen H M De Moor, Antonella Mulas, Martina Müller-Nurasyid, A W Musk, Reija Männikkö, Satu Männistö, Narisu Narisu, Matthias Nauck, Jennifer A Nettleton, Ilja M Nolte, Albertine J Oldehinkel, Matthias Olden, Ken K Ong, Sandosh Padmanabhan, Lavinia Paternoster, Jeremiah Perez, Markus Perola, Annette Peters, Ulrike Peters, Patricia A Peyser, Inga Prokopenko, Hannu Puolijoki, Olli T Raitakari, Tuomo Rankinen, Laura J Rasmussen-Torvik, Rajesh Rawal, Paul M Ridker, Lynda M Rose, Igor Rudan, Cinzia Sarti, Mark A Sarzynski, Kai Savonen, William R Scott, Serena Sanna, Alan R Shuldiner, Steve Sidney, Günther Silbernagel, Blair H Smith, Jennifer A Smith, Harold Snieder, Alena Stančáková, Barbara Sternfeld, Amy J Swift, Tuija Tammelin, Sian-Tsung Tan, Barbara Thorand, Dorothée Thuillier, Liesbeth Vandenput, Henrik Vestergaard, Jana V van Vliet-Ostaptchouk, Marie-Claude Vohl, Uwe Völker, Gérard Waeber, Mark Walker, Sarah Wild, Andrew Wong, Alan F Wright, M Carola Zillikens, Niha Zubair, Christopher A Haiman, Loic Lemarchand, Ulf Gyllensten, Claes Ohlsson, Albert Hofman, Fernando Rivadeneira, André G Uitterlinden, Louis Pérusse, James F Wilson, Caroline Hayward, Ozren Polasek, Francesco Cucca, Kristian Hveem, Catharina A Hartman, Anke Tönjes, Stefania Bandinelli, Lyle J Palmer, Sharon L R Kardia, Rainer Rauramaa, Thorkild I A Sørensen, Jaakko Tuomilehto, Veikko Salomaa, Brenda W J H Penninx, Eco J C de Geus, Dorret I Boomsma, Terho Lehtimäki, Massimo Mangino, Markku Laakso, Claude Bouchard, Nicholas G Martin, Diana Kuh, Yongmei Liu, Allan Linneberg, Winfried März, Konstantin Strauch, Mika Kivimäki, Tamara B Harris, Vilmundur Gudnason, Henry Völzke, Lu Qi, Marjo-Riitta Järvelin, John C Chambers, Jaspal S Kooner, Philippe Froguel, Charles Kooperberg, Peter Vollenweider, Göran Hallmans, Torben Hansen, Oluf Pedersen, Andres Metspalu, Nicholas J Wareham, Claudia Langenberg, David R Weir, David J Porteous, Eric Boerwinkle, Daniel I Chasman, Gonçalo R Abecasis, Inês Barroso, Mark I McCarthy, Timothy M Frayling, Jeffrey R O'Connell, Cornelia M van Duijn, Michael Boehnke, Iris M Heid, Karen L Mohlke, David P Strachan, Caroline S Fox, Ching-Ti Liu, Joel N Hirschhorn, Robert J Klein, Andrew D Johnson, Ingrid B Borecki, Paul W Franks, Kari E North, L Adrienne Cupples, Ruth J F Loos, Tuomas O Kilpeläinen
Physical activity (PA) may modify the genetic effects that give rise to increased risk of obesity. To identify adiposity loci whose effects are modified by PA, we performed genome-wide interaction meta-analyses of BMI and BMI-adjusted waist circumference and waist-hip ratio from up to 200,452 adults of European (n = 180,423) or other ancestry (n = 20,029). We standardized PA by categorizing it into a dichotomous variable where, on average, 23% of participants were categorized as inactive and 77% as physically active...
April 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28448402/left-atrium-measurements-via-computed-tomography-pulmonary-angiogram-as-a-predictor-of-diastolic-dysfunction
#10
Adam N Lick, Raman Danrad, David L Smith, Matthew R Lammi
PURPOSE: Left atrium (LA) enlargement on echocardiography may be an indicator of diastolic dysfunction (DD). It is not well known if computed tomography pulmonary angiography (CTPA) can detect DD. METHODS: A total of 127 patients who underwent both CTPA and echo within 48 hours were analyzed retrospectively. Left atrium diameters from CTPA were correlated with echo and evaluated against degrees of DD. Computed tomography pulmonary angiography pulmonary artery (PA)/aorta ratio was analyzed as a tool to detect pulmonary hypertension...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28448174/a-school-based-peer-led-social-marketing-intervention-to-engage-spanish-adolescents-in-a-healthy-lifestyle-we-are-cool-som-la-pera-study-a-parallel-cluster-randomized-controlled-study
#11
Magaly Aceves-Martins, Elisabet Llauradó, Lucia Tarro, David Moriña, Ignasi Papell-Garcia, Jordi Prades-Tena, Helle Kettner-Høeberg, Francesc Puiggròs, Lluís Arola, Amy Davies, Montse Giralt, Rosa Solà
BACKGROUND: Encouraging adolescents to adopt healthy lifestyles can be challenging. The aim of the "Som la Pera" study was to engage adolescents by applying new strategies to increase both their fruit and vegetable consumption and their physical activity (PA) while reducing their sedentary behavior. METHODS: In disadvantaged neighborhoods of Reus (Spain), two high schools were randomly assigned to the intervention (n = 170 adolescents 13- to 16-year-olds) and two were assigned to the control group (n = 223 adolescents 13- to 16-year-olds)...
April 27, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28448123/enhancing-the-domain-wall-conductivity-in-lithium-niobate-single-crystals
#12
Christian Godau, Thomas Kämpfe, Andreas Thiessen, Lukas M Eng, Alexander Haußmann
Domain walls (DWs) in ferroelectric/ferroic materials have been in the central research focus for the last 50 years; DWs bear a multitude of extraordinary physical parameters within a unit-cell-sized lateral confinement. Especially, one outstanding feature has recently attracted a lot of attention for room-temperature applications, which is the potential to use DWs as 2-dimensional (2D) conducting channels that completely penetrate bulk compounds. Domain wall currents in lithium niobate (LNO) so far lie in the lower $pA$ regime...
April 27, 2017: ACS Nano
https://www.readbyqxmd.com/read/28447482/quantitative-potassium-measurements-with-laser-induced-breakdown-spectroscopy-using-low-energy-lasers-application-to-in-situ-k-ar-geochronology-for-planetary-exploration
#13
Yuichiro Cho, Misa Horiuchi, Kazuo Shibasaki, Shingo Kameda, Seiji Sugita
In situ radiogenic isotope measurements to obtain the absolute age of geologic events on planets are of great scientific value. In particular, K-Ar isochrons are useful because of their relatively high technical readiness and high accuracy. Because this isochron method involves spot-by-spot K measurements using laser-induced breakdown spectroscopy (LIBS) and simultaneous Ar measurements with mass spectrometry, LIBS measurements are conducted under a high vacuum condition in which emission intensity decreases significantly...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28447243/the-longitudinal-association-of-relationship-quality-and-reoffending-among-first-time-juvenile-offenders-and-their-mothers
#14
Caitlin Cavanagh, Elizabeth Cauffman
To understand how youth desist from crime after their first arrest, it is necessary to investigate their primary support system: their parents. As such, this study examined the reciprocal effects of justice system contact on the mother-child dyad. Interviews with 317 mothers and their sons from Orange County, CA, Jefferson Parish, LA, and Philadelphia, PA were conducted semiannually over two and a half years. At the beginning of the study, the sons were first-time offenders aged 13-17 and mostly non-White (i...
April 26, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28446419/the-smartphone-peer-physical-activity-counseling-sppac-program-for-manual-wheelchair-users-protocol-of-a-pilot-randomized-controlled-trial
#15
Krista L Best, François Routhier, Shane N Sweet, Kelly P Arbour-Nicitopoulos, Jaimie F Borisoff, Luc Noreau, Kathleen A Martin Ginis
BACKGROUND: Physical activity (PA) must be performed regularly to accrue health benefits. However, the majority of manual wheelchair users do not meet PA recommendations. Existing community-based PA programs for manual wheelchair users appear to work, but effect sizes are small and retention is low. Existing PA programs may not fully implement some psychosocial factors that are strongly linked with PA (eg, autonomy). The use of peers and mobile phone technology in the Smartphone Peer PA Counseling (SPPAC) program represents a novel approach to cultivating a PA-supportive environment for manual wheelchair users...
April 26, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28446199/different-determinants-of-exercise-capacity-in-hfpef-compared-to-hfref
#16
Arlind Batalli, Pranvera Ibrahimi, Ibadete Bytyçi, Artan Ahmeti, Edmond Haliti, Shpend Elezi, Michael Y Henein, Gani Bajraktari
BACKGROUND: Quality of life is as important as survival in heart failure (HF) patients. Controversies exist with regards to echocardiographic determinants of exercise capacity in HF, particularly in patients with preserved ejection fraction (HFpEF). The aim of this study was to prospectively examine echocardiographic parameters that correlate and predict functional exercise capacity assessed by 6 min walk test (6-MWT) in patients with HFpEF. METHODS: In 111 HF patients (mean age 63 ± 10 years, 47% female), an echo-Doppler study and a 6-MWT were performed in the same day...
April 26, 2017: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28446144/association-of-physical-activity-and-appetite-with-visual-function-related-to-driving-competence-in-older-adults
#17
Takafumi Ando, Hiroyuki Sakai, Yuji Uchiyama
BACKGROUND: Older people are at greater risk of traffic accidents, partially because of age-related declines in visual function, including reduced useful field of view (UFOV). However, lifestyle factors which cause age-related decline in UFOV remain poorly understood. We conducted a study to investigate whether physical activity and appetite status were related to UFOV test performance in healthy older adults. METHODS: Thirty community-dwelling older people (age 68...
April 26, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28445897/adrenal-vein-catecholamine-levels-and-ratios-reference-intervals-derived-from-patients-with-primary-aldosteronism
#18
Candy W C Sze, Samuel Matthew O'Toole, Roger Kent Tirador, Scott A Akker, Matthew Matson, Leslie Perry, Maralyn Rose Druce, Tanja Dekkers, Jaap Deinum, Jacques W M Lenders, Graeme Eisenhofer, William Martyn Drake
Phaeochromocytoma localisation is generally reliably achieved with modern imaging techniques, particularly in sporadic cases. On occasion, however, there can be diagnostic doubt due to the presence of bilateral adrenal abnormalities, particularly in patients with mutations in genes predisposing them to the development of multiple phaeochromocytomas. In such cases, surgical intervention is ideally limited to large or functional lesions due to the long-term consequences associated with hypoadrenalism. Adrenal venous sampling (AVS) for catecholamines has been used in this situation to guide surgery, although there are few data available to support diagnostic thresholds...
April 26, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28445528/baicalein-protects-rat-insulinoma-ins-1-cells-from-palmitate-induced-lipotoxicity-by-inducing-ho-1
#19
Hyun Jeong Kwak, Dongki Yang, Yongha Hwang, Hee-Sook Jun, Hyae Gyeong Cheon
OBJECTIVE: β-Cell dysfunction plays a central role in the pathogenesis of type 2 diabetes (T2D), and the identification of novel approaches to improve β-cell function is essential to treat this disease. Baicalein, a flavonoid originally isolated from the root of Scutellaria Baicalensis, has been shown to have beneficial effects on β-cell function. Here, the authors investigated the molecular mechanism responsible for the protective effects of baicalein against palmitate (PA)-induced impaired β-cell function, and placed focus on the role of heme oxygenase (HO)-1...
2017: PloS One
https://www.readbyqxmd.com/read/28444797/the-transcription-factor-myb115-contributes-to-the-regulation-of-proanthocyanidin-biosynthesis-and-enhances-fungal-resistance-in-poplar
#20
Lijun Wang, Lingyu Ran, Yisu Hou, Qiaoyan Tian, Chaofeng Li, Rui Liu, Di Fan, Keming Luo
Proanthocyanidins (PAs) are major defense phenolic compounds in the leaves of poplar (Populus spp.) in response to abiotic and biotic stresses. Transcriptional regulation of PA biosynthetic genes by the MYB-basic helix-loop-helix (bHLH)-WD40 complexes in poplar is not still fully understood. Here, an Arabidopsis TT2-like gene MYB115 was isolated from Populus tomentosa and characterized by various molecular, genetic and biochemical approaches. MYB115 restored PA productions in the seed coat of the Arabidopsis tt2 mutant...
April 26, 2017: New Phytologist
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