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https://www.readbyqxmd.com/read/28107752/genome-nuclear-lamina-interactions-from-cell-populations-to-single-cells
#1
REVIEW
J Omar Yáñez-Cuna, Bas van Steensel
Lamina-associated domains (LADs) are large genomic regions that interact with the nuclear lamina (NL) and help to guide the spatial folding of chromosomes in the interphase nucleus. LADs have been linked to gene repression and other functions. Recent studies have begun to uncover some of the molecular players that drive LAD-NL interactions. A picture emerges in which DNA sequence, chromatin components and nuclear lamina proteins play an important role. Complementary to this, imaging and single-cell genomics approaches have revealed that some LAD-NL interactions are variable from cell to cell, while others are very stable...
January 17, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28107704/the-threat-of-home-eviction-and-its-effects-on-health-through-the-equity-lens-a-systematic-review
#2
REVIEW
Hugo Vásquez-Vera, Laia Palència, Ingrid Magna, Carlos Mena, Jaime Neira, Carme Borrell
The aims of this review are to gather and systematize the currently available evidence on the effect of the threat of eviction on health and its eventual spillover effects, to assess the quality of the selected studies, and to describe how these findings vary with respect to dimensions of social inequity. We conducted a literature search in March 2016, which yielded 2208 unduplicated articles. The title, abstract and full text of these articles were reviewed by three independent pairs of researchers. We performed a quality assessment of each article, and evaluated whether health inequities had been considered...
January 9, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28107669/medical-comorbidity-in-bipolar-disorder-the-link-with-metabolic-inflammatory-systems
#3
REVIEW
Ana SayuriYamagata, Elisa Brietzke, Joshua D Rosenblat, Ron Kakar, Roger S McIntyre
BACKGROUND: Bipolar disorder (BD) is associated with chronic low-grade inflammation, several medical comorbidities and a decreased life expectancy. Metabolic-inflammatory changes have been postulated as one of the main links between BD and medical comorbidity, although there are few studies exploring possible mechanisms underlying this relationship. Therefore, the aims of the current narrative review were 1) synthesize the evidence for metabolic-inflammatory changes that may facilitate the link between medical comorbidity and BD and 2) discuss therapeutic and preventive implications of these pathways...
January 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28107658/validation-of-a-personalized-curved-muscle-model-of-the-lumbar-spine-during-complex-dynamic-exertions
#4
Jaejin Hwang, Gregory G Knapik, Jonathan S Dufour, Thomas M Best, Safdar N Khan, Ehud Mendel, William S Marras
Previous curved muscle models have typically examined their robustness only under simple, single-plane static exertions. In addition, the empirical validation of curved muscle models through an entire lumbar spine has not been fully realized. The objective of this study was to empirically validate a personalized biologically-assisted curved muscle model during complex dynamic exertions. Twelve subjects performed a variety of complex lifting tasks as a function of load weight, load origin, and load height. Both a personalized curved muscle model as well as a straight-line muscle model were used to evaluate the model's fidelity and prediction of three-dimensional spine tissue loads under different lifting conditions...
January 9, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28107657/removal-of-some-common-glycosylation-by-products-during-reaction-work-up
#5
Mads Heuckendorff, Henrik H Jensen
With the aim of improving the general glycosylation protocol to facilitate easy product isolation it was shown that amide by-products from glycosylation with trichloroacetimidate and N-phenyl trifluoroacetimidate donors could be removed during reaction work-up by washing with a basic aqueous solution. Excess glycosyl acceptor or lactol originating from glycosyl donor hydrolysis could equally be removed from the reaction mixture by derivatization with a basic tag and washing with an acidic solution during reaction work-up...
December 24, 2016: Carbohydrate Research
https://www.readbyqxmd.com/read/28107634/electrolyte-gradient-based-modulation-of-molecular-transport-through-nanoporous-gold-membranes
#6
Daniel A McCurry, Ryan C Bailey
Nanopores, and nanoporous materials in general, are interesting for applications in chemical and biomolecular transport as pore sizes are on the same scale as the dimension of many (bio)chemical species. Many studies have focused on either single pores or small arrays of cylindrical pores, which are convenient in terms of their amenability towards computational modeling of transport phenomenon. However, the limited overall porosity may inhibit transport flux as well as the eventual implementation of these materials as active separation elements...
January 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28107631/overcoming-the-heat-endurance-of-tumor-cells-by-interfering-the-anaerobic-glycolysis-metabolism-for-improved-photothermal-therapy
#7
Wei-Hai Chen, Guo-Feng Luo, Qi Lei, Sheng Hong, Wen-Xiu Qiu, Li-Han Liu, Si-Xue Cheng, Xian-Zheng Zhang
In this study, we developed a general method to decorate plasmonic gold nanorods (GNRs) with a CD44-targeting functional polymer, containing hyaluronic acid (HA) targeting moiety and a small molecule Glut1 inhibitor of diclofenac (DC), to obtain GNR/HA-DC. This nanosystem exhibited the superiority of selectively sensitizing tumor cells for photothermal therapy (PTT) by inhibiting the unique anaerobic glycolysis. Upon specifically targeting CD44, sequentially time-dependent DC release could be achieved by the trigger of hyaluronidase (HAase), which abundantly existed in tumor tissue...
January 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28107628/constructing-fast-carrier-tracks-into-flexible-perovskite-photodetectors-to-greatly-improve-responsivity
#8
Xiaoming Li, Dejian Yu, Jun Chen, Yue Wang, Fei Cao, Yi Wei, Ye Wu, Lin Wang, Ying Zhu, Zhiguo Sun, Jianping Ji, Yalong Shen, Handong Sun, Haibo Zeng
Intrinsically high mobility and large absorption coefficient endow inorganic halide perovskites (IHPs) with great promise for high-performance photodetectors (PDs), which, however, are being hindered by the low carrier extraction and transport efficiency of the solution assembled films. Here, we report on a general strategy to enhance the film conductivity of perovskites that conductive nanonets were constructed with carbon nanotubes (CNTs) to provide fast carriers tracks. As a result, the CsPbBr3 nanosheet/CNT composite films exhibit high conductivity and the advantages are demonstrated by the high performances of corresponding planar PDs...
January 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28107615/suicide-attempts-and-their-interrelation-with-the-economic-crisis-in-chania-greece-a-time-series-analysis-of-the-period-2008-2015
#9
Emmanouil S Benioudakis, Vyronas Lykiardopoulos, Vaggelis Georgiou, Maria D Archontaki, Alexandra Tsourounaki, Georgia Botonaki, Aikaterini Batzou, Tsampikos Symiakos, Theodora Seliniotaki, Athanasios Armagos, Aikaterini Pentari, Konstantinos Moiradorakis, Eleanna Darakis, Maria Melissari-Tzanakaki
Background: Greece has been in the grip of a severe economic crisis since 2008. It is well known that suicide attempts and actual suicides increase during periods of recession and austerity. The main aim of this study was to examine the economic crisis in relation to recorded suicide attempts in Chania, Greece, from 2008 to 2015, also taking unemployment rates into consideration. Methods: During the research period from January 1, 2008, to December 31, 2015, 436 suicide attempts (females: n = 305 and males: n = 131) were recorded in the archives of the General Hospital of Chania...
January 19, 2017: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/28107583/chronic-hepatitis-c-and-chronic-kidney-disease-advances-limitations-and-unchartered-territories
#10
Manuel Mendizabal, K Rajender Reddy
Over the past few years, treatment options for chronic hepatitis C virus (HCV) infection have evolved dramatically. The current approved interferon-free direct-acting antiviral (DAA) regimens have been shown to be safe and effective with sustained virologic response (SVR) rates of >90% in most patients. Unique issues yet remain such as the challenges in patients with impaired renal function or decompensated cirrhosis. Patients with stage 4-5 chronic kidney disease (CKD) have a higher prevalence of HCV infection compared with the general population...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107576/non-invasive-anaesthetic-methods-for-dermatological-laser-procedures-a-systematic-review
#11
REVIEW
K Greveling, E P Prens, L Liu, M B A van Doorn
Pain is a common side-effect of dermatological laser procedures. Non-invasive anaesthetic drugs and anaesthetic procedures can be used to provide pain relief and increase patient satisfaction and treatment efficacy. However, it remains unclear which method provides the best pain relief. The objective of this systematic review was therefore to assess the efficacy and safety of non-invasive anaesthetic methods during dermatological laser procedures. A systematic literature search was conducted. Randomized and non-randomized controlled clinical trials (RCTs and CCTs) were included...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107555/participation-in-sports-body-composition-and-fitness-characteristics-in-children-according-to-ethnic-background
#12
Stefania Toselli, Maria Giovanna Belcastro
Participation in sports has important implications, being associated with health and social features. The objectives of this study were to verify whether there were any differences in sport participation between immigrant and Italian children, and if there was any relation with their body composition and fitness characteristics. A survey was conducted on 1432 children attending primary school in the Emilia-Romagna (northern Italy). Anthropometric measurements, fitness characteristics and data about participation in sports were considered...
January 20, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28107554/inclusion-of-a-variable-rbe-into-proton-and-photon-plan-comparison-for-various-fractionation-schedules-in-prostate-radiation-therapy
#13
Jakob Ödén, Kjell Eriksson, Iuliana Toma-Dasu
PURPOSE: A constant relative biological effectiveness (RBE) of 1.1 is currently used in proton radiation therapy to account for the increased biological effectiveness compared to photon therapy. However, there is increasing evidence that proton RBE vary with the linear energy transfer (LET), the dose per fraction and the type of the tissue. Therefore, this study aims to evaluate the impact of disregarding variations in RBE when comparing proton and photon dose plans for prostate treatments for various fractionation schedules using published RBE models and several α/β assumptions...
January 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28107541/recent-themes-in-social-networking-service-research
#14
John S Liu, Mei Hsiu-Ching Ho, Louis Y Y Lu
The body of literature addressing the phenomenon related to social networking services (SNSs) has grown rather fast recently. Through a systematic and quantitative approach, this study identifies the recent SNS research themes, which are the issues discussed by a coherent and growing subset of this literature. A set of academic articles retrieved from the Web of Science database is used as the basis for uncovering the recent themes. We begin the analysis by constructing a citation network which is further separated into groups after applying a widely used clustering method...
2017: PloS One
https://www.readbyqxmd.com/read/28107540/impact-of-adding-a-decision-aid-to-patient-education-in-adults-with-asthma-a-randomized-clinical-trial
#15
Myriam E Gagné, France Légaré, Jocelyne Moisan, Louis-Philippe Boulet
BACKGROUND: Not providing adequate patient education interventions to asthma patients remains a major care gap. To help asthma patients and caregivers discuss inhaled controller medication use, our team has previously developed a decision aid (DA). We sought to assess whether adding this DA to education interventions improved knowledge, decisional conflict, and asthma control among adults with asthma. METHODS: A parallel clinical trial (NCT02516449). We recruited adults with asthma, aged 18 to 65 years, prescribed inhaled controller medication to optimize asthma control...
2017: PloS One
https://www.readbyqxmd.com/read/28107501/childhood-vaccine-acceptance-and-refusal-among-warao-amerindian-caregivers-in-venezuela-a-qualitative-approach
#16
Jochem Burghouts, Berenice Del Nogal, Angimar Uriepero, Peter W M Hermans, Jacobus H de Waard, Lilly M Verhagen
OBJECTIVES: Acceptance of childhood vaccination varies between societies, affecting worldwide vaccination coverage. Low coverage rates are common in indigenous populations where parents often choose not to vaccinate their children. We aimed to gain insight into reasons for vaccine acceptance or rejection among Warao Amerindians in Venezuela. METHODS: Based on records of vaccine acceptance or refusal, in-depth interviews with 20 vaccine-accepting and 11 vaccine-declining caregivers were performed...
2017: PloS One
https://www.readbyqxmd.com/read/28107428/effects-of-socioeconomic-status-and-social-support-on-violence-against-pregnant-women-a-structural-equation-modeling-analysis
#17
Marizélia Rodrigues Costa Ribeiro, Antônio Augusto Moura da Silva, Maria Teresa Seabra Soares de Britto E Alves, Rosângela Fernandes Lucena Batista, Cecília Cláudia Costa Ribeiro, Lilia Blima Schraiber, Heloisa Bettiol, Marco Antônio Barbieri
Few studies have used structural equation modeling to analyze the effects of variables on violence against women. The present study analyzed the effects of socioeconomic status and social support on violence against pregnant women who used prenatal services. This was a cross-sectional study based on data from the Brazilian Ribeirão Preto and São Luís birth cohort studies (BRISA). The sample of the municipality of São Luís (Maranhão/Brazil) consisted of 1,446 pregnant women interviewed in 2010 and 2011...
2017: PloS One
https://www.readbyqxmd.com/read/28107422/comparison-of-hapmap-and-1000-genomes-reference-panels-in-a-large-scale-genome-wide-association-study
#18
Paul S de Vries, Maria Sabater-Lleal, Daniel I Chasman, Stella Trompet, Tarunveer S Ahluwalia, Alexander Teumer, Marcus E Kleber, Ming-Huei Chen, Jie Jin Wang, John R Attia, Riccardo E Marioni, Maristella Steri, Lu-Chen Weng, Rene Pool, Vera Grossmann, Jennifer A Brody, Cristina Venturini, Toshiko Tanaka, Lynda M Rose, Christopher Oldmeadow, Johanna Mazur, Saonli Basu, Mattias Frånberg, Qiong Yang, Symen Ligthart, Jouke J Hottenga, Ann Rumley, Antonella Mulas, Anton J M de Craen, Anne Grotevendt, Kent D Taylor, Graciela E Delgado, Annette Kifley, Lorna M Lopez, Tina L Berentzen, Massimo Mangino, Stefania Bandinelli, Alanna C Morrison, Anders Hamsten, Geoffrey Tofler, Moniek P M de Maat, Harmen H M Draisma, Gordon D Lowe, Magdalena Zoledziewska, Naveed Sattar, Karl J Lackner, Uwe Völker, Barbara McKnight, Jie Huang, Elizabeth G Holliday, Mark A McEvoy, John M Starr, Pirro G Hysi, Dena G Hernandez, Weihua Guan, Fernando Rivadeneira, Wendy L McArdle, P Eline Slagboom, Tanja Zeller, Bruce M Psaty, André G Uitterlinden, Eco J C de Geus, David J Stott, Harald Binder, Albert Hofman, Oscar H Franco, Jerome I Rotter, Luigi Ferrucci, Tim D Spector, Ian J Deary, Winfried März, Andreas Greinacher, Philipp S Wild, Francesco Cucca, Dorret I Boomsma, Hugh Watkins, Weihong Tang, Paul M Ridker, Jan W Jukema, Rodney J Scott, Paul Mitchell, Torben Hansen, Christopher J O'Donnell, Nicholas L Smith, David P Strachan, Abbas Dehghan
An increasing number of genome-wide association (GWA) studies are now using the higher resolution 1000 Genomes Project reference panel (1000G) for imputation, with the expectation that 1000G imputation will lead to the discovery of additional associated loci when compared to HapMap imputation. In order to assess the improvement of 1000G over HapMap imputation in identifying associated loci, we compared the results of GWA studies of circulating fibrinogen based on the two reference panels. Using both HapMap and 1000G imputation we performed a meta-analysis of 22 studies comprising the same 91,953 individuals...
2017: PloS One
https://www.readbyqxmd.com/read/28107414/multifractality-and-network-analysis-of-phase-transition
#19
Longfeng Zhao, Wei Li, Chunbin Yang, Jihui Han, Zhu Su, Yijiang Zou
Many models and real complex systems possess critical thresholds at which the systems shift dramatically from one sate to another. The discovery of early-warnings in the vicinity of critical points are of great importance to estimate how far the systems are away from the critical states. Multifractal Detrended Fluctuation analysis (MF-DFA) and visibility graph method have been employed to investigate the multifractal and geometrical properties of the magnetization time series of the two-dimensional Ising model...
2017: PloS One
https://www.readbyqxmd.com/read/28107400/when-contact-is-not-enough-affecting-first-year-medical-students-image-towards-older-persons
#20
Sasmita Kusumastuti, Esther van Fenema, Eugenie C F Polman-van Stratum, Wilco Achterberg, Jolanda Lindenberg, Rudi G J Westendorp
CONTEXT: Many medical schools have initiated care internships to familiarize their students with older persons and to instil a professional attitude. OBJECTIVE: To examine the impact of care internships on the image that first-year medical students have of older persons and to explore the underlying concepts that may play a role in shaping this image. DESIGN: Survey before and after a two-week compulsory care internship using the Aging Semantic Differential (ASD; 32 adjectives) and the Attitudes toward Old People (AOP; 34 positions) questionnaires...
2017: PloS One
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