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https://www.readbyqxmd.com/read/28544982/an-evaluation-of-minor-groove-binders-as-anti-fungal-and-anti-mycobacterial-therapeutics
#1
Fraser J Scott, Ryan J O Nichol, Abedawn I Khalaf, Federica Giordani, Kirsten Gillingwater, Soumya Ramu, Alysha Elliott, Johannes Zuegg, Paula Duffy, Michael-Jon Rosslee, Lerato Hlaka, Santosh Kumar, Mumin Ozturk, Frank Brombacher, Michael Barrett, Reto Guler, Colin J Suckling
This study details the synthesis and biological evaluation of a collection of 19 structurally related Minor Groove Binders (MGBs), derived from the natural product distamycin, which were designed to probe antifungal and antimycobacterial activity. From this initial set, we report several MGBs that are worth more detailed investigation and optimisation. MGB-4, MGB-317 and MGB-325 have promising MIC80s of 2, 4 and 0.25 μg/mL, respectively, against the fungus C. neoformans.MGB-353 and MGB-354 have MIC99s of 3...
May 17, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28544500/non-communicable-diseases-and-hiv-care-and-treatment-models-of-integrated-service-delivery
#2
REVIEW
Malia Duffy, Bisola Ojikutu, Soa Andrian, Elaine Sohng, Thomas Minior, Lisa R Hirschhorn
OBJECTIVES: Non-communicable diseases (NCD) are a growing cause of morbidity in low-income countries including in people living with Human Immunodeficiency Virus (HIV). Integration of NCD and HIV services can build upon experience with chronic care models from HIV programs. We describe models of NCD and HIV integration, challenges, and lessons learned. METHODS: Literature review of articles on integrated NCD and HIV programs in low-income countries and key informant interviews with leaders of identified integrated NCD and HIV programs...
May 24, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28542602/antimicrobial-resistance-status-of-enterococcus-from-australian-cattle-populations-at-slaughter
#3
Robert S Barlow, Kate E McMillan, Lesley L Duffy, Narelle Fegan, David Jordan, Glen E Mellor
Antimicrobial agents are used in cattle production systems for the prevention and control of bacterial associated diseases. A consequence of their use is the potential development of antimicrobial resistance (AMR). Enterococcus faecium and Enterococcus faecalis that are resistant to antimicrobials are of increased concern to public health officials throughout the world as they may compromise the ability of various treatment regimens to control disease and infection in human medicine. Australia is a major exporter of beef; however it does not have an ongoing surveillance system for AMR in cattle or foods derived from these animals...
2017: PloS One
https://www.readbyqxmd.com/read/28542435/development-and-evaluation-of-a-bioinformatics-approach-for-designing-molecular-assays-for-viral-detection
#4
Pierre H H Schneeberger, Joël F Pothier, Andreas Bühlmann, Brion Duffy, Christian Beuret, Jürg Utzinger, Jürg E Frey
BACKGROUND: Viruses belonging to the Flaviviridae and Bunyaviridae families show considerable genetic diversity. However, this diversity is not necessarily taken into account when developing diagnostic assays, which are often based on the pairwise alignment of a limited number of sequences. Our objective was to develop and evaluate a bioinformatics workflow addressing two recurrent issues of molecular assay design: (i) the high intraspecies genetic diversity in viruses and (ii) the potential for cross-reactivity with close relatives...
2017: PloS One
https://www.readbyqxmd.com/read/28541249/dislocation-loop-formation-by-swift-heavy-ion-irradiation-of-metals
#5
Galvin Khara, Samuel Murphy, Dorothy M Duffy
A coupled two-temperature, molecular dynamics methodology is used to simulate the structural evolution of bcc metals (Fe and W) and fcc metals (Cu and Ni) following irradiation by swift heavy ions. Electronic temperature dependent electronic specific heat capacities and electron phonon coupling strengths are used to capture the full effects of the variation in the electronic density of states. Tungsten is found to be significantly more resistant to damage than iron, due both to the higher melting temperature and the higher thermal conductivity...
May 25, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28531300/anosmia-a-clinical-review
#6
Sanne Boesveldt, Elbrich M Postma, Duncan Boak, Antje Welge-Luessen, Veronika Schöpf, Joel D Mainland, Jeffrey Martens, John Ngai, Valerie B Duffy
Anosmia and hyposmia, the inability or decreased ability to smell, is estimated to afflict 3-20% of the population. Risk of olfactory dysfunction increases with old age and may also result from chronic sinonasal diseases, severe head trauma, and upper respiratory infections, or neurodegenerative diseases. These disorders impair the ability to sense warning odors in foods and the environment, as well as hinder the quality of life related to social interactions, eating, and feelings of well-being. This article reports and extends on a clinical update commencing at the 2016 Association for Chemoreception Sciences annual meeting...
May 22, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28529728/measurements-of-rates-of-cooling-of-a-manikin-insulated-with-different-mountain-rescue-casualty-bags
#7
Christopher Press, Christopher Duffy, Jonathan Williams, Ben Cooper, Neil Chapman
BACKGROUND: Accidental hypothermia is common in those who sustain injuries in remote environments. This is unpleasant and associated with adverse effects on subsequent patient outcomes. To minimise further heat loss, a range of insulating systems are available to mountain rescue teams although the most effective and cost-efficient have yet to be determined. METHODS: Under ambient, still, dry, air conditions, a thermal manikin was filled with water at a temperature of 42 °C and then placed into a given insulation system...
2017: Extreme Physiology & Medicine
https://www.readbyqxmd.com/read/28528348/effect-of-home-noninvasive-ventilation-with-oxygen-therapy-vs-oxygen-therapy-alone-on-hospital-readmission-or-death-after-an-acute-copd-exacerbation-a-randomized-clinical-trial
#8
Patrick B Murphy, Sunita Rehal, Gill Arbane, Stephen Bourke, Peter M A Calverley, Angela M Crook, Lee Dowson, Nicholas Duffy, G John Gibson, Philip D Hughes, John R Hurst, Keir E Lewis, Rahul Mukherjee, Annabel Nickol, Nicholas Oscroft, Maxime Patout, Justin Pepperell, Ian Smith, John R Stradling, Jadwiga A Wedzicha, Michael I Polkey, Mark W Elliott, Nicholas Hart
Importance: Outcomes after exacerbations of chronic obstructive pulmonary disease (COPD) requiring acute noninvasive ventilation (NIV) are poor and there are few treatments to prevent hospital readmission and death. Objective: To investigate the effect of home NIV plus oxygen on time to readmission or death in patients with persistent hypercapnia after an acute COPD exacerbation. Design, Setting, and Participants: A randomized clinical trial of patients with persistent hypercapnia (Paco2 >53 mm Hg) 2 weeks to 4 weeks after resolution of respiratory acidemia, who were recruited from 13 UK centers between 2010 and 2015...
May 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28526034/differential-darc-ackr1-expression-distinguishes-venular-from-non-venular-endothelial-cells-in-murine-tissues
#9
Aude Thiriot, Carolina Perdomo, Guiying Cheng, Igor Novitzky-Basso, Sara McArdle, Jamie K Kishimoto, Olga Barreiro, Irina Mazo, Robinson Triboulet, Klaus Ley, Antal Rot, Ulrich H von Andrian
BACKGROUND: Intravascular leukocyte recruitment in most vertebrate tissues is restricted to postcapillary and collecting venules, whereas capillaries and arterioles usually support little or no leukocyte adhesion. This segmental restriction is thought to be mediated by endothelial, rather than hemodynamic, differences. The underlying mechanisms are largely unknown, in part because effective tools to distinguish, isolate, and analyze venular endothelial cells (V-ECs) and non-venular endothelial cells (NV-ECs) have been unavailable...
May 19, 2017: BMC Biology
https://www.readbyqxmd.com/read/28524208/microfluidic-analysis-of-red-blood-cell-deformability-as-a-means-to-assess-hemin-induced-oxidative-stress-resulting-from-plasmodium-falciparum-intraerythrocytic-parasitism
#10
Kerryn Matthews, Simon P Duffy, Marie-Eve Myrand-Lapierre, Richard R Ang, Li Li, Mark D Scott, Hongshen Ma
Hemolytic anemia is one of the hallmarks of malaria and leads to an increase in oxidized heme (hemin) within the plasma of infected individuals. While scavenger proteins sequester much of the circulating heme, it has been hypothesized that extracellular heme may play a central role in malaria pathogenesis. We have previously developed the multiplex fluidic plunger (MFP) device for the measurement of red blood cell (RBC) deformability. Here, we demonstrate that the measurement of changes in RBC deformability is a sensitive method for inferring heme-induced oxidative stress...
May 19, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28524157/gp-participation-in-increasing-uptake-in-a-national-bowel-cancer-screening-programme-the-pearl-project
#11
Sally C Benton, Piers Butler, Katy Allen, Michelle Chesters, Sally Rickard, Sally Stanley, Richard Roope, Daniel Vulkan, Stephen W Duffy
BACKGROUND: The NHS Bowel Cancer Screening Programme (BCSP) in England does not involve general practitioners (GPs). Uptake is ∼58%. The Practice Endorsed Additional Reminder Letter (PEARL) study piloted a GP-endorsed reminder letter. METHODS: General practices in Wessex with uptake <55% (prevalent invitations) were invited to participate. Subjects who had been invited for screening, sent a standard 28-day BCSP reminder letter but had not returned a test kit within 30 days of the standard reminder were sent a second reminder letter bearing the GP's letterhead and signature...
May 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28522311/effect-of-second-timed-appointments-for-non-attenders-of-breast-cancer-screening-in-england-a-randomised-controlled-trial
#12
Prue C Allgood, Roberta Maroni, Sue Hudson, Judith Offman, Anne E Turnbull, Lesley Peacock, Jim Steel, Geraldine Kirby, Christine E Ingram, Julie Somers, Clare Fuller, Anthony G Threlfall, Rhian Gabe, Anthony J Maxwell, Julietta Patnick, Stephen W Duffy
BACKGROUND: In England, participation in breast cancer screening has been decreasing in the past 10 years, approaching the national minimum standard of 70%. Interventions aimed at improving participation need to be investigated and put into practice to stop this downward trend. We assessed the effect on participation of sending invitations for breast screening with a timed appointment to women who did not attend their first offered appointment within the NHS Breast Screening Programme (NHSBSP)...
May 15, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28521840/characterising-pvrbsa-an-exclusive-protein-from-plasmodium-species-infecting-reticulocytes
#13
Darwin A Moreno-Pérez, Luis A Baquero, Diana M Chitiva-Ardila, Manuel A Patarroyo
BACKGROUND: Plasmodium vivax uses multiple ligand-receptor interactions for preferential invasion of human reticulocytes. Several of these ligands have been identified by in silico approaches based on the role displayed by their orthologs in other Plasmodium species during initial adhesion or invasion. However, the cell adhesion role of proteins that are exclusive to species that specifically invade reticulocytes (as P. vivax and P. cynomolgi) has not been evaluated to date. This study aimed to characterise an antigen shared between Plasmodium species that preferentially infect reticulocytes with a focus on assessing its binding activity to target cells...
May 18, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28521765/inhibition-of-o-glcnacase-leads-to-elevation-of-o-glcnac-tau-and-reduction-of-tauopathy-and-cerebrospinal-fluid-tau-in-rtg4510-mice
#14
Nicholas B Hastings, Xiaohai Wang, Lixin Song, Brent D Butts, Diane Grotz, Richard Hargreaves, J Fred Hess, Kwok-Lam Karen Hong, Cathy Ruey-Ruey Huang, Lynn Hyde, Maureen Laverty, Julie Lee, Diane Levitan, Sherry X Lu, Maureen Maguire, Veeravan Mahadomrongkul, Ernest J McEachern, Xuesong Ouyang, Thomas W Rosahl, Harold Selnick, Michaela Stanton, Giuseppe Terracina, David J Vocadlo, Ganfeng Wang, Joseph L Duffy, Eric M Parker, Lili Zhang
BACKGROUND: Hyperphosphorylation of microtubule-associated protein tau is a distinct feature of neurofibrillary tangles (NFTs) that are the hallmark of neurodegenerative tauopathies. O-GlcNAcylation is a lesser known post-translational modification of tau that involves the addition of N-acetylglucosamine onto serine and threonine residues. Inhibition of O-GlcNAcase (OGA), the enzyme responsible for the removal of O-GlcNAc modification, has been shown to reduce tau pathology in several transgenic models...
May 18, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28521386/remobilisation-of-industrial-lead-depositions-in-ash-during-australian-wildfires
#15
Liqin Wu, Mark Patrick Taylor, Heather K Handley
This study examined the recycling of lead (Pb) in ash from wildfires, its source and potential contribution to environmental contamination. Ash from wildfires was collected from four Australian sites following uncontrolled fires during 2012 to 2013 close to major urban populations in Sydney (New South Wales), Hobart (Tasmania) and Adelaide (South Australia). The samples were analysed for their total Pb concentration and Pb isotopic composition to determine the sources of Pb and the extent, if any, of industrial contamination and its recycling into the ecosystem...
May 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28520688/the-association-of-nonaccidental-trauma-with-historical-factors-examination-findings-and-diagnostic-testing-during-the-initial-trauma-evaluation
#16
Mauricio A Escobar, Katherine T Flynn-OʼBrien, Marc Auerbach, Gunjan Tiyyagura, Matthew A Borgman, Susan J Duffy, Kelly S Falcone, Rita V Burke, John M Cox, Sabine A Maguire
No abstract text is available yet for this article.
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28514473/effective-team-practices-interprofessional-contributions-to-communication-issues-with-a-parent-s-perspective
#17
Karena Cooper-Duffy, Kerri Eaker
Purpose: This clinical focus article contains a detailed description of how to build effective teams that use interprofessional collaborative practice (IPCP) with special-education professionals, speech-language pathologists, and families of children with severe disabilities. Method: This clinical focus article provides information on using the essential elements of team building and IPCP to provide quality care to families who have children with severe disabilities...
May 17, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28513078/peripheral-synucleinopathy-in-early-parkinson-s-disease-submandibular-gland-needle-biopsy-findings
#18
Charles H Adler, Brittany N Dugger, Joseph G Hentz, Michael L Hinni, David G Lott, Erika Driver-Dunckley, Shyamal Mehta, Geidy Serrano, Lucia I Sue, Amy Duffy, Anthony Intorcia, Jessica Filon, Joel Pullen, Douglas G Walker, Thomas G Beach
No abstract text is available yet for this article.
May 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28507134/dopaminergic-modulation-of-basal-ganglia-output-through-coupled-excitation-inhibition
#19
Agata Budzillo, Alison Duffy, Kimberly E Miller, Adrienne L Fairhall, David J Perkel
Learning and maintenance of skilled movements require exploration of motor space and selection of appropriate actions. Vocal learning and social context-dependent plasticity in songbirds depend on a basal ganglia circuit, which actively generates vocal variability. Dopamine in the basal ganglia reduces trial-to-trial neural variability when the bird engages in courtship song. Here, we present evidence for a unique, tonically active, excitatory interneuron in the songbird basal ganglia that makes strong synaptic connections onto output pallidal neurons, often linked in time with inhibitory events...
May 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28502801/genome-wide-association-reveals-pigmentation-genes-play-a-role-in-skin-aging
#20
Matthew H Law, Sarah E Medland, Gu Zhu, Seyhan Yazar, Ana Viñuela, Leanne Wallace, Sri Niranjan Shekar, David L Duffy, Veronique Bataille, Dan Glass, Tim D Spector, Diane Wood, Scott D Gordon, Julie M Barbour, Anjali K Henders, Alex W Hewitt, Grant W Montgomery, Richard A Sturm, David A Mackey, Adèle C Green, Nicholas G Martin, Stuart MacGregor
Loss of fine skin patterning is a sign of both aging and photoaging. Studies investigating the genetic contribution to skin patterning offer an opportunity to better understand a trait that influences both physical appearance and risk of keratinocyte skin cancer. We undertook a meta-analysis of genome-wide association studies (GWAS) of a measure of skin pattern (microtopography score) damage in 1,671 twin pairs and 1,745 singletons (N = 5,087) drawn from three independent cohorts. We identified that rs185146 near SLC45A2 is associated with a skin aging trait (p = 4...
May 11, 2017: Journal of Investigative Dermatology
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