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https://www.readbyqxmd.com/read/28222533/type-1-diabetes-mellitus-and-cognitive-impairments-a-systematic-review
#1
Wei Li, Edgar Huang, Sujuan Gao
Type 1 diabetes mellitus (T1DM) is a major subtype of diabetes and is usually diagnosed at a young age with insulin deficiency. The life expectancy of T1DM patients has increased substantially in comparison with that three decades ago due to the availability of exogenous insulin, though it is still shorter than that of healthy people. However, the relation remains unclear between T1DM and dementia as an aging-related disease. We conducted a systematic review of existing literature on T1DM and cognition impairments by carrying out searches in electronic databases Medline, EMBASE, and Google Scholar...
February 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28222368/direct-and-label-free-influenza-virus-detection-based-on-multisite-binding-to-sialic-acid-receptors
#2
Yukichi Horiguchi, Tatsuro Goda, Akira Matsumoto, Hiroaki Takeuchi, Shoji Yamaoka, Yuji Miyahara
A system to discriminate human or avian influenza A remains a highly sought-after tool for prevention of influenza pandemics in humans. Selective binding of the influenza A viral hemagglutinin (HA) to specific sialic acid (SA) receptors (Neu5Acα(2-6)Gal in humans, Neu5Acα(2-3)Gal in birds) is determined by the genotype of the HA and neuraminidase (NA) segments, making it one of the key characteristics that distinguishes human or avian influenza A virus. Here we demonstrate the direct detection of whole H1N1 influenza A virus using 6'-sialyllactose (Neu5Acα(2-6)Galβ(1-4)Glc, 6SL)-immobilized gold electrodes as biosensing surfaces...
February 16, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28222360/maintenance-therapy-with-second-generation-antipsychotics-for-bipolar-disorder-a-systematic-review-and-meta-analysis
#3
REVIEW
Leif Lindström, Eva Lindström, Mikael Nilsson, Malin Höistad
BACKGROUND: Second generations antipsychotics (SGA) are frequently used for maintenance treatment in bipolar disorder. We systematically reviewed the efficacy and long-term effects of treatment with SGA, regardless of treatment strategy (SGA administered either as monotherapy or as adjunctive therapy), in comparison to placebo, lithium or valproate. Primary outcomes were relapses (mood episode recurrence) and discontinuation. METHOD: Clinical studies were identified through database searching in PubMed, Embase, PsychInfo and Cochrane Library and critically appraised based on the Cochrane Handbook...
February 14, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28222257/an-iron-ii-ylide-complex-as-a-masked-open-shell-iron-alkylidene-species-in-its-alkylidene-transfer-reactions-with-alkenes
#4
Jian Liu, Lianrui Hu, Lei Wang, Hui Chen, Liang Deng
Transition-metal alkylidenes are important reactive organometallic intermediates, and our current knowledge on them has been mainly restricted to those with closed-shell electronic configurations. In this study, we present the exploration on open-shell iron alkylidenes with a weak-field tripodal amido-phosphine-amido ligand. We found that a high-spin (amido-phosphine-amido)iron(II) complex can react with (p-tolyl)2CN2 to afford a high-spin (amido-ylide-amido)iron(II) complex, 2, which could transfer its alkylidene moiety to a variety of alkenes, either the electron-rich or electron-deficient ones, to form cyclopropane derivatives...
February 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28222097/a-genome-wide-association-study-identifies-a-lncrna-as-risk-factor-for-pathological-inflammatory-responses-in-leprosy
#5
Vinicius M Fava, Jeremy Manry, Aurélie Cobat, Marianna Orlova, Nguyen Van Thuc, Milton O Moraes, Carolinne Sales-Marques, Mariane M A Stefani, Ana Carla P Latini, Andrea F Belone, Vu Hong Thai, Laurent Abel, Alexandre Alcaïs, Erwin Schurr
Leprosy Type-1 Reactions (T1Rs) are pathological inflammatory responses that afflict a sub-group of leprosy patients and result in peripheral nerve damage. Here, we employed a family-based GWAS in 221 families with 229 T1R-affect offspring with stepwise replication to identify risk factors for T1R. We discovered, replicated and validated T1R-specific associations with SNPs located in chromosome region 10p21.2. Combined analysis across the three independent samples resulted in strong evidence of association of rs1875147 with T1R (p = 4...
February 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28222092/the-genetic-basis-of-resistance-and-matching-allele-interactions-of-a-host-parasite-system-the-daphnia-magna-pasteuria-ramosa-model
#6
Gilberto Bento, Jarkko Routtu, Peter D Fields, Yann Bourgeois, Louis Du Pasquier, Dieter Ebert
Negative frequency-dependent selection (NFDS) is an evolutionary mechanism suggested to govern host-parasite coevolution and the maintenance of genetic diversity at host resistance loci, such as the vertebrate MHC and R-genes in plants. Matching-allele interactions of hosts and parasites that prevent the emergence of host and parasite genotypes that are universally resistant and infective are a genetic mechanism predicted to underpin NFDS. The underlying genetics of matching-allele interactions are unknown even in host-parasite systems with empirical support for coevolution by NFDS, as is the case for the planktonic crustacean Daphnia magna and the bacterial pathogen Pasteuria ramosa...
February 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28221976/listeria-monocytogenes-in-smoked-salmon-and-other-smoked-fish-at-retail-in-italy-frequency-of-contamination-and-strain-characterization-in-products-from-different-manufacturers
#7
Vicdalia Aniela Acciari, Marina Torresi, Luigi Iannetti, Silvia Scattolini, Francesco Pomilio, Lucia Decastelli, Silvia Colmegna, Riccardo Muliari, Teresa Bossù, Yolande Proroga, Cosimo Montagna, Cinzia Cardamone, Paola Cogoni, Vincenza Annunziata Prencipe, Giacomo Migliorati
Seven hundred seventy-eight samples of packaged smoked fish (774 smoked salmon and 4 smoked swordfish) on sale in Italy, from 50 different manufacturers located in 12 European Union countries, were purchased from the Italian market between May and December 2011. The surface temperatures of the samples on sale ranged from 0 to 13°C (3.4 ± 1.5°C, mean ± SD). Six hundred eighty (87.4%) of 778 samples were stored at ≤4°C. One hundred fifty-seven samples (20.2%, 95% confidence interval 17.5 to 23.1%) were contaminated by Listeria monocytogenes , with 26 samples (3...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221944/a-novel-immunoassay-test-system-for-detection-of-modified-allergen-residues-present-in-almond-cashew-coconut-hazelnut-and-soy-based-nondairy-beverages
#8
Jongkit Masiri, Lora Benoit, Mahzad Meshgi, Jeffrey Day, Cesar Nadala, Mansour Samadpour
A growing number of plant-based milk substitutes have become commercially available, providing an array of options for consumers with dietary restrictions. Though several of these products rival cow's milk in terms of their nutritional profiles, beverages prepared with soy and tree nuts can be a significant concern to consumers because of potential contamination with food allergens. Adding to this concern is the fact that allergen residues from plant-based beverages are modified during manufacturing, thereby decreasing the sensitivity of antibody-based detection methods...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221791/adiabatic-variational-theory-for-cold-atom-molecule-collisions-application-to-metastable-helium-atom-colliding-with-ortho-and-para-hydrogen-molecule
#9
Mariusz Pawlak, Yuval Shagam, Ayelet Klein, Edvardas Narevicius, Nimrod Moiseyev
We recently developed an adiabatic theory for cold molecular collision experiments. In our previous application of this theory, we assumed that during the experiment the collision of an atom with a diatom takes place when the diatom is in the ground rotational state and is located in a plane. In this paper, we present how the variational approach of the adiabatic theory for low-temperature collision experiments can be used for the study a 5D collision between the atom and the diatomic molecule with no limitations on its rotational quantum states and no plane restrictions...
February 21, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28221774/surface-electronic-state-modulated-single-crystalline-001-tio2-nanosheets-for-sensitive-electrochemical-sensing-of-heavy-metal-ions
#10
Wen-Yi Zhou, Jinyun Liu, Jieyao Song, Jinjin Li, Jinhuai Liu, Xing-Jiu Huang
Intrinsically low conductivity and poor reactivity restrict many semiconductors from electrochemical detection. Usually, metal- and carbon-based modifications of semiconductors are necessary, making them complex, expensive, and unstable. Here, for the first time, we present a surface-electronic-state-modulation-based concept applied to semiconductors. This concept enables pure semiconductors to be directly available for ultrasensitive electrochemical detection of heavy-metal ions without any modifications. As an example, a defective single-crystalline (001) TiO2 nanosheet exhibits high electrochemical performance toward Hg(II), including a sensitivity of 270...
February 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28221760/hydrogel-nanocomposites-with-independently-tunable-rheology-and-mechanics
#11
Shimon Unterman, Lyndon F Charles, Sara E Strecker, Denis Kramarenko, Dmitry Pivovarchik, Elazer Reuven Edelman, Natalie Artzi
Hydrogels are an attractive class of biomaterials for minimally invasive local drug delivery given their injectability, tunability, high water content, and biocompatibility. Broad applicability though is challenged: relatively modest mechanical properties restricts use to soft tissues, while flow properties necessary for injectability limit implantation to dried, enclosed tissues to minimize material migration during gelation. To address these dual concerns we designed an injectable nanocomposite hydrogel based on dextran aldehyde and poly(amido amine) dendrimer doped with phyllosilicate nanoplatelet fillers...
February 21, 2017: ACS Nano
https://www.readbyqxmd.com/read/28221708/improved-management-of-small-pelagic-fisheries-through-seasonal-climate-prediction
#12
Désirée Tommasi, Charles A Stock, Kathleen Pegion, Gabriel A Vecchi, Richard D Methot, Michael A Alexander, David M Checkley
Populations of small pelagic fish are strongly influenced by climate. The inability of managers to anticipate environment-driven fluctuations in stock productivity or distribution can lead to overfishing and stock collapses, inflexible management regulations inducing shifts in the functional response to human predators, lost opportunities to harvest populations, bankruptcies in the fishing industry, and loss of resilience in the human food supply. Recent advances in dynamical global climate prediction systems allow for sea surface temperature (SST) anomaly predictions at a seasonal scale over many shelf ecosystems...
October 12, 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28221350/controlling-quantum-beating-signals-in-2d-electronic-spectra-by-packing-synthetic-heterodimers-on-single-walled-carbon-nanotubes
#13
Lili Wang, Graham B Griffin, Alice Zhang, Feng Zhai, Nicholas E Williams, Richard F Jordan, Gregory S Engel
In multidimensional spectroscopy, dynamics of coherences between excited states report on the interactions between electronic states and their environment. The prolonged coherence lifetimes revealed through beating signals in the spectra of some systems may result from vibronic coupling between nearly degenerate excited states, and recent observations confirm the existence of such coupling in both model systems and photosynthetic complexes. Understanding the origin of beating signals in the spectra of photosynthetic complexes has been given considerable attention; however, strategies to generate them in artificial systems that would allow us to test the hypotheses in detail are still lacking...
February 21, 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28221313/systematic-review-and-meta-analysis-of-interventions-for-depression-and-anxiety-in-persons-with-rheumatoid-arthritis
#14
Kirsten M Fiest, Carol A Hitchon, Charles N Bernstein, Christine A Peschken, John R Walker, Lesley A Graff, Ryan Zarychanski, Ahmed Abou-Setta, Scott B Patten, Jitender Sareen, James Bolton, Ruth Ann Marrie
BACKGROUND: Psychiatric comorbidities, such as depression and anxiety, are very common in persons with rheumatoid arthritis (RA) and can lead to adverse outcomes. By appropriately treating these comorbidities, disease-specific outcomes and quality of life may be improved. OBJECTIVE: The aim of this study was to systematically review the literature from controlled trials of treatments for depression and anxiety in persons with RA. METHODS: We searched multiple online databases from inception until March 25, 2015, without restrictions on language, date, or location of publication...
February 17, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28221130/whole-genome-analysis-of-bartonella-ancashensis-a-novel-pathogen-causing-verruga-peruana-rural-ancash-region-peru
#15
Kristin E Mullins, Jun Hang, Robert J Clifford, Fatma Onmus-Leone, Yu Yang, Ju Jiang, Mariana Leguia, Matthew R Kasper, Ciro Maguina, Emil P Lesho, Richard G Jarman, Allen Richards, David Blazes
The genus Bartonella contains >40 species, and an increasing number of these Bartonella species are being implicated in human disease. One such pathogen is Bartonella ancashensis, which was isolated in blood samples from 2 patients living in Caraz, Peru, during a clinical trial of treatment for bartonellosis. Three B. ancashensis strains were analyzed by using whole-genome restriction mapping and high-throughput pyrosequencing. Genome-wide comparative analysis of Bartonella species showed that B. ancashensis has features seen in modern and ancient lineages of Bartonella species and is more related to B...
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28221058/concurrent-and-prognostic-utility-of-subtyping-anorexia-nervosa-along-dietary-and-negative-affect-dimensions
#16
Kelsie T Forbush, Kelsey E Hagan, Rachel H Salk, Jennifer E Wildes
: Bulimia nervosa can be reliably classified into subtypes based on dimensions of dietary restraint and negative affect. Community and clinical studies have shown that dietary-negative affect subtypes have greater test-retest reliability and concurrent and predictive validity compared to subtypes based on the Diagnostic and Statistical Manual of Mental Disorders (DSM). Although dietary-negative affect subtypes have shown utility for characterizing eating disorders that involve binge eating, this framework may have broader implications for understanding restrictive eating disorders...
March 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28220944/magnetic-resonance-examination-of-patients-with-implanted-pacemakers-an-evaluation-of-magnetic-field-gradients-slew-rate
#17
Diego Trevisan, Gloria Miori, Armando Correale, Davide Libralon
Performing safe magnetic resonance imaging of patients with "MR conditional" pacemakers needs to meet some specific restrictions. One of these is related to the slew rate (SR) parameter, defined as the speed of magnetic field gradients rising up to their required strengths. Unfortunately, SR values cannot be easily checked at the tomograph console. The present work provides an accurate evaluation of the maximum SR for a set of widely used clinical MR sequences. The experimental approach is based on indirect measurement of time-varying spatial magnetic field gradients...
February 21, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28220799/impact-of-genetic-background-and-experimental-reproducibility-on-identifying-chemical-compounds-with-robust-longevity-effects
#18
Mark Lucanic, W Todd Plummer, Esteban Chen, Jailynn Harke, Anna C Foulger, Brian Onken, Anna L Coleman-Hulbert, Kathleen J Dumas, Suzhen Guo, Erik Johnson, Dipa Bhaumik, Jian Xue, Anna B Crist, Michael P Presley, Girish Harinath, Christine A Sedore, Manish Chamoli, Shaunak Kamat, Michelle K Chen, Suzanne Angeli, Christina Chang, John H Willis, Daniel Edgar, Mary Anne Royal, Elizabeth A Chao, Shobhna Patel, Theo Garrett, Carolina Ibanez-Ventoso, June Hope, Jason L Kish, Max Guo, Gordon J Lithgow, Monica Driscoll, Patrick C Phillips
Limiting the debilitating consequences of ageing is a major medical challenge of our time. Robust pharmacological interventions that promote healthy ageing across diverse genetic backgrounds may engage conserved longevity pathways. Here we report results from the Caenorhabditis Intervention Testing Program in assessing longevity variation across 22 Caenorhabditis strains spanning 3 species, using multiple replicates collected across three independent laboratories. Reproducibility between test sites is high, whereas individual trial reproducibility is relatively low...
February 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28220723/ethical-issues-surrounding-the-use-of-modern-human-remains-for-research-in-south-africa
#19
N Briers, J J Dempers
Chapter 8 of the South African National Health Act 61 of 2003 (NHA) that deals with the donation of human tissue was promulgated in 2012. The new Act is perceived to impose restrictions on low-risk research involving human remains. This study aimed to identify the issues raised by a research ethics committee (REC) when reviewing protocols where human remains are used as data source. REC minutes from 2009 to 2014 were reviewed, and issues raised by the committee were categorized. In total, 127 protocols submitted to the committee over 6 years involved human remains...
February 2017: Journal of Empirical Research on Human Research Ethics: JERHRE
https://www.readbyqxmd.com/read/28220626/the-role-of-physician-oversight-on-advanced-practice-nurses-professional-autonomy-and-empowerment
#20
Polly A Petersen, Sandra M Way
BACKGROUND AND PURPOSE: Little is known about the effects of physician oversight on advanced practice registered nurses (APRNs). Examination of these relationships provides insight into the strength of independent practice. The purpose of this study was to examine whether APRNs' perceptions of autonomy and empowerment varied according to type of physician oversight, whether facilitative or restrictive. DATA SOURCES: A cross-sectional survey design was used to examine whether APRNs' perceptions of autonomy and empowerment varied according to physician oversight, geographical location, and practice setting...
February 21, 2017: Journal of the American Association of Nurse Practitioners
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