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https://www.readbyqxmd.com/read/28213971/mass-turnover-and-recovery-dynamics-of-a-diverse-australian-continental-radiation
#1
Ian G Brennan, Paul M Oliver
Trends in global and local climate history have been linked to observed macroevolutionary patterns across a variety of organisms. These climatic pressures may unilaterally or asymmetrically influence the evolutionary trajectory of clades. To test and compare signatures of changing global (Eocene-Oligocene boundary cooling) and continental (Miocene aridification) environments on a continental fauna, we investigated the macroevolutionary dynamics of one of Australia's most diverse endemic radiations, pygopodoid geckos...
February 18, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28213374/diurnal-differences-in-risk-of-cardiac-arrhythmias-during-spontaneous-hypoglycemia-in-young-people-with-type-1-diabetes
#2
Peter Novodvorsky, Alan Bernjak, Elaine Chow, Ahmed Iqbal, Lianne Sellors, Scott Williams, Robert A Fawdry, Bhavin Parekh, Richard M Jacques, Jefferson L B Marques, Paul J Sheridan, Simon R Heller
OBJECTIVE: Hypoglycemia may exert proarrhythmogenic effects on the heart via sympathoadrenal stimulation and hypokalemia. Hypoglycemia-induced cardiac dysrhythmias are linked to the "dead-in-bed syndrome," a rare, but devastating, condition. We examined the effect of nocturnal and daytime clinical hypoglycemia on electrocardiogram (ECG) in young people with type 1 diabetes. RESEARCH DESIGN AND METHODS: Thirty-seven individuals with type 1 diabetes underwent 96 h of simultaneous ambulatory ECG and blinded continuous interstitial glucose monitoring (CGM) while symptomatic hypoglycemia was recorded...
February 17, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28212634/time-to-re-think-physical-activity-promotion-for-young-people-results-from-a-repeated-cross-sectional-study
#3
Paul Best, Mark A Tully, Rekesh Corepal, Frank Kee, Ruth F Hunter
BACKGROUND: The aim of this study was to investigate the relationship between knowledge of the current UK physical activity (PA) guidelines and amount of daily PA using a sample population of 11-16 year olds in Northern Ireland. METHODS: Cross-sectional survey data from the 2010 and 2013 Young Persons' Behaviour and Attitudes Survey of 10,790 young people provided information on PA, knowledge of guidelines and socio-demographic characteristics. Multinomial logistic regression was used to investigate the associations between knowledge and amount of daily PA...
February 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28211360/the-effect-of-silica-thickness-on-nano-tio2-particles-for-functional-polyurethane-nanocomposites
#4
Chao Chen, Wei Wu, William Z Xu, Paul A Charpentier
In order to help reduce the agglomeration of TiO2 nanoparticles in polyurethane coatings while enhancing their photoactivity and mechanical/physical properties, this work examined encapsulating TiO2 nanoparticles in a thin layer of SiO2, prior to their nanocomposite polymerization. By applying a Stöber process, varying thicknesses of SiO2 were successfully coated onto the surface of anatase and rutile TiO2 nanoparticles. The methylene blue results showed that different loadings of SiO2 onto the TiO2 surface significantly influenced their photocatalytic activity...
March 17, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28209371/the-effect-of-patient-age-at-intervention-on-risk-of-implant-revision-after-total-replacement-of-the-hip-or-knee-a-population-based-cohort-study
#5
Lee E Bayliss, David Culliford, A Paul Monk, Sion Glyn-Jones, Daniel Prieto-Alhambra, Andrew Judge, Cyrus Cooper, Andrew J Carr, Nigel K Arden, David J Beard, Andrew J Price
BACKGROUND: Total joint replacements for end-stage osteoarthritis of the hip and knee are cost-effective and demonstrate significant clinical improvement. However, robust population based lifetime-risk data for implant revision are not available to aid patient decision making, which is a particular problem in young patient groups deciding on best-timing for surgery. METHODS: We did implant survival analysis on all patients within the Clinical Practice Research Datalink who had undergone total hip replacement or total knee replacement...
February 13, 2017: Lancet
https://www.readbyqxmd.com/read/28209224/systematic-evaluation-of-pleiotropy-identifies-6-further-loci-associated-with%C3%A2-coronary-artery%C3%A2-disease
#6
Thomas R Webb, Jeanette Erdmann, Kathleen E Stirrups, Nathan O Stitziel, Nicholas G D Masca, Henning Jansen, Stavroula Kanoni, Christopher P Nelson, Paola G Ferrario, Inke R König, John D Eicher, Andrew D Johnson, Stephen E Hamby, Christer Betsholtz, Arno Ruusalepp, Oscar Franzén, Eric E Schadt, Johan L M Björkegren, Peter E Weeke, Paul L Auer, Ursula M Schick, Yingchang Lu, He Zhang, Marie-Pierre Dube, Anuj Goel, Martin Farrall, Gina M Peloso, Hong-Hee Won, Ron Do, Erik van Iperen, Jochen Kruppa, Anubha Mahajan, Robert A Scott, Christina Willenborg, Peter S Braund, Julian C van Capelleveen, Alex S F Doney, Louise A Donnelly, Rosanna Asselta, Pier A Merlini, Stefano Duga, Nicola Marziliano, Josh C Denny, Christian Shaffer, Nour Eddine El-Mokhtari, Andre Franke, Stefanie Heilmann, Christian Hengstenberg, Per Hoffmann, Oddgeir L Holmen, Kristian Hveem, Jan-Håkan Jansson, Karl-Heinz Jöckel, Thorsten Kessler, Jennifer Kriebel, Karl L Laugwitz, Eirini Marouli, Nicola Martinelli, Mark I McCarthy, Natalie R Van Zuydam, Christa Meisinger, Tõnu Esko, Evelin Mihailov, Stefan A Escher, Maris Alver, Susanne Moebus, Andrew D Morris, Jarma Virtamo, Majid Nikpay, Oliviero Olivieri, Sylvie Provost, Alaa AlQarawi, Neil R Robertson, Karen O Akinsansya, Dermot F Reilly, Thomas F Vogt, Wu Yin, Folkert W Asselbergs, Charles Kooperberg, Rebecca D Jackson, Eli Stahl, Martina Müller-Nurasyid, Konstantin Strauch, Tibor V Varga, Melanie Waldenberger, Lingyao Zeng, Rajiv Chowdhury, Veikko Salomaa, Ian Ford, J Wouter Jukema, Philippe Amouyel, Jukka Kontto, Børge G Nordestgaard, Jean Ferrières, Danish Saleheen, Naveed Sattar, Praveen Surendran, Aline Wagner, Robin Young, Joanna M M Howson, Adam S Butterworth, John Danesh, Diego Ardissino, Erwin P Bottinger, Raimund Erbel, Paul W Franks, Domenico Girelli, Alistair S Hall, G Kees Hovingh, Adnan Kastrati, Wolfgang Lieb, Thomas Meitinger, William E Kraus, Svati H Shah, Ruth McPherson, Marju Orho-Melander, Olle Melander, Andres Metspalu, Colin N A Palmer, Annette Peters, Daniel J Rader, Muredach P Reilly, Ruth J F Loos, Alex P Reiner, Dan M Roden, Jean-Claude Tardif, John R Thompson, Nicholas J Wareham, Hugh Watkins, Cristen J Willer, Nilesh J Samani, Heribert Schunkert, Panos Deloukas, Sekar Kathiresan
BACKGROUND: Genome-wide association studies have so far identified 56 loci associated with risk of coronary artery disease (CAD). Many CAD loci show pleiotropy; that is, they are also associated with other diseases or traits. OBJECTIVES: This study sought to systematically test if genetic variants identified for non-CAD diseases/traits also associate with CAD and to undertake a comprehensive analysis of the extent of pleiotropy of all CAD loci. METHODS: In discovery analyses involving 42,335 CAD cases and 78,240 control subjects we tested the association of 29,383 common (minor allele frequency >5%) single nucleotide polymorphisms available on the exome array, which included a substantial proportion of known or suspected single nucleotide polymorphisms associated with common diseases or traits as of 2011...
February 21, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28207729/proposed-new-industry-code-on-unhealthy-food-marketing-to-children-and-young-people-will-it-make-a-difference
#7
Boyd Swinburn, Stefanie Vandevijvere, Alistair Woodward, Andrew Hornblow, Ann Richardson, Barbara Burlingame, Barry Borman, Barry Taylor, Bernhard Breier, Bruce Arroll, Bernadette Drummond, Cameron Grant, Chris Bullen, Clare Wall, Cliona Ni Mhurchu, David Cameron-Smith, David Menkes, David Murdoch, Dee Mangin, Diana Lennon, Diana Sarfati, Doug Sellman, Elaine Rush, Faafetai Sopoaga, George Thomson, Gerry Devlin, Gillian Abel, Harvey White, Jane Coad, Janet Hoek, Jennie Connor, Jeremy Krebs, Jeroen Douwes, Jim Mann, John McCall, John Broughton, John D Potter, Les Toop, Lesley McCowan, Louise Signal, Lutz Beckert, Mark Elwood, Marlena Kruger, Mauro Farella, Michael Baker, Michael Keall, Murray Skeaff, Murray Thomson, Nick Wilson, Nicholas Chandler, Papaarangi Reid, Patricia Priest, Paul Brunton, Peter Crampton, Peter Davis, Philip Gendall, Philippa Howden-Chapman, Rachael Taylor, Richard Edwards, Robert Beaglehole, Robert Doughty, Robert Scragg, Robin Gauld, Robert McGee, Rod Jackson, Roger Hughes, Roger Mulder, Ruth Bonita, Rozanne Kruger, Sally Casswell, Sarah Derrett, Shanthi Ameratunga, Simon Denny, Simon Hales, Sue Pullon, Susan Wells, Tim Cundy, Tony Blakely
Reducing the exposure of children and young people to the marketing of unhealthy foods is a core strategy for reducing the high overweight and obesity prevalence in this population. The Advertising Standards Authority (ASA) has recently reviewed its self-regulatory codes and proposed a revised single code on advertising to children. This article evaluates the proposed code against eight criteria for an effective code, which were included in a submission to the ASA review process from over 70 New Zealand health professors...
February 17, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28207379/absence-of-fluoride-varnish-related-adverse-events-in-caries-prevention-trials-in-young-children-united-states
#8
Raul I Garcia, Steven E Gregorich, Francisco Ramos-Gomez, Patricia A Braun, Anne Wilson, Judith Albino, Tamanna Tiwari, Maya Harper, Terrence S Batliner, Margaret Rasmussen, Nancy F Cheng, William Santo, Paul L Geltman, Michelle Henshaw, Stuart A Gansky
INTRODUCTION: Fluoride varnish is an effective prevention intervention for caries in young children. Its routine use in clinical care is supported by meta-analyses and recommended by clinical guidelines, including the US Preventive Services Task Force (B rating). This report is the first prospective systematic assessment of adverse events related to fluoride varnish treatment in young children. METHODS: We determined the incidence of adverse events related to fluoride varnish treatment in 3 clinical trials on the prevention of early childhood caries, conducted under the auspices of the Early Childhood Caries Collaborating Centers, an initiative sponsored by the National Institute of Dental and Craniofacial Research...
February 16, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28206979/effect-of-gender-and-age-on-the-relative-bioavailability-of-doravirine-results-of-a-phase-i-trial-in-healthy-subjects
#9
Martin O Behm, Ka L Yee, Li Fan, Paul Fackler
BACKGROUND: Doravirine is a potent, once-daily, non-nucleoside reverse transcriptase inhibitor with a distinct resistance profile in Phase 3 development for the treatment of HIV-1. As doravirine may be administered to women and the elderly, we investigated the impact of gender and age in doravirine pharmacokinetics. METHODS: In this Phase 1, open-label, single-period, parallel-group investigation, doravirine 100 mg was administered to 36 healthy subjects in 3 groups: elderly men (n=12, 65-80 years), elderly women (n=12, 65-80 years), and young women (n=12, 18-50 years)...
February 16, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28205519/mitochondrial-atp-transporter-depletion-protects-mice-against-liver-steatosis-and-insulin-resistance
#10
Joonseok Cho, Yujian Zhang, Shi-Young Park, Anna-Maria Joseph, Chul Han, Hyo-Jin Park, Srilaxmi Kalavalapalli, Sung-Kook Chun, Drake Morgan, Jae-Sung Kim, Shinichi Someya, Clayton E Mathews, Young Jae Lee, Stephanie E Wohlgemuth, Nishanth E Sunny, Hui-Young Lee, Cheol Soo Choi, Takayuki Shiratsuchi, S Paul Oh, Naohiro Terada
Non-alcoholic fatty liver disease (NAFLD) is a common metabolic disorder in obese individuals. Adenine nucleotide translocase (ANT) exchanges ADP/ATP through the mitochondrial inner membrane, and Ant2 is the predominant isoform expressed in the liver. Here we demonstrate that targeted disruption of Ant2 in mouse liver enhances uncoupled respiration without damaging mitochondrial integrity and liver functions. Interestingly, liver specific Ant2 knockout mice are leaner and resistant to hepatic steatosis, obesity and insulin resistance under a lipogenic diet...
February 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28203459/association-of-age-on-cervical-joint-position-error
#11
Khalid A Alahmari, Ravi Shankar Reddy, Paul S Silvian, Irshad Ahmad, Venkata Nagaraj Kakaraparthi, Mohammed Mehtab Alam
This study quantitatively assesses the association between age and cervical joint position error (JPE) and compares JPE between young and older asymptomatic subjects. Subjects (n = 230) ranging in age from 17 to 70 years volunteered to participate in the study. Cervical JPE was measured for all subjects with the active movement angle reproduction test in degrees using a digital inclinometer; testing was done in all cervical movement directions (flexion, extension, side-bending right and left, rotation right and left)...
May 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28203053/refractive-outcomes-and-safety-of-the-implantable-collamer-lens-in-young-low-to-moderate-myopes
#12
Paul J Dougherty, Taylor Priver
PURPOSE: To evaluate visual and refractive outcomes and safety of implantable collamer lens (ICL) implantation in low-to-moderate myopia. SETTING: Private Practice - Dougherty Laser Vision, Westlake Village, CA, USA. METHODS: A chart review was performed in 56 (104 eyes) consecutive patients who underwent implantation of the Visian ICL V4 model. Inclusion criteria were age between 21 and 40 years, spherical equivalent between -3.00 D and -10...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28202898/engineering-a-lys-asn-isopeptide-bond-into-an-immunoglobulin-like-protein-domain-enhances-its-stability
#13
Hanna Kwon, Paul G Young, Christopher J Squire, Edward N Baker
The overall stability of globular protein structures is marginal, a balance between large numbers of stabilizing non-covalent interactions and a destabilizing entropic term. Higher stability can be engineered by introduction of disulfide bonds, provided the redox environment is controlled. The discovery of stabilizing isopeptide bond crosslinks, formed spontaneously between lysine and asparagine (or aspartic acid) side chains in certain bacterial cell-surface proteins suggests that such bonds could be introduced by protein engineering as an alternative protein stabilization strategy...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202542/m%C3%A3-ssbauer-spectra-of-mouse-hearts-reveal-age-dependent-changes-in-mitochondrial-and-ferritin-iron-levels
#14
Joshua D Wofford, Mrinmoy Chakrabarti, Paul Alan Lindahl
Cardiac function requires continuous high levels of energy, and so iron, a critical player in mitochondrial respiration, is an important component of the heart. Hearts from (57)Fe-enriched mice were evaluated by Mossbauer spectroscopy. Spectra consisted of a sextet and two quadrupole doublets. One doublet was due to residual blood while the other was due to [Fe4S4](2+) clusters and Fe(II) hemes, most of which were associated with mitochondrial respiration. The sextet was due to ferritin; there was no evidence of hemosiderin, a ferritin decomposition product...
February 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28199403/comparison-of-microbiological-diagnosis-of-urinary-tract-infection-in-young-children-by-routine-health-service-laboratories-and-a-research-laboratory-diagnostic-cohort-study
#15
Kate Birnie, Alastair D Hay, Mandy Wootton, Robin Howe, Alasdair MacGowan, Penny Whiting, Michael Lawton, Brendan Delaney, Harriet Downing, Jan Dudley, William Hollingworth, Catherine Lisles, Paul Little, Kathryn O'Brien, Timothy Pickles, Kate Rumsby, Emma Thomas-Jones, Judith Van der Voort, Cherry-Ann Waldron, Kim Harman, Kerenza Hood, Christopher C Butler, Jonathan A C Sterne
OBJECTIVES: To compare the validity of diagnosis of urinary tract infection (UTI) through urine culture between samples processed in routine health service laboratories and those processed in a research laboratory. POPULATION AND METHODS: We conducted a prospective diagnostic cohort study in 4808 acutely ill children aged <5 years attending UK primary health care. UTI, defined as pure/predominant growth ≥105 CFU/mL of a uropathogen (the reference standard), was diagnosed at routine health service laboratories and a central research laboratory by culture of urine samples...
2017: PloS One
https://www.readbyqxmd.com/read/28198308/how-to-carry-out-growth-assessment-in-infants-and-children-under-two-years-old
#16
David Hopkins, Alison Kyle, Siba Prosad Paul
Rationale and key points Measuring and monitoring growth in infants and young children under two years old is an important part of their clinical assessment in hospital and the community. This article outlines the procedure for measuring growth in infants and children under two years old, and discusses the main factors to consider when undertaking this assessment. » The procedures and some of the data used to monitor the growth of infants and children under two years old differs from those used in older children...
February 15, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28194488/adult-onset-idiopathic-chondrolysis-of-the-hip
#17
Liam Z Yapp, Liusaidh McClymont, Ian Beggs, Paul Gaston, Donald M Salter
We report the case of a 23-year-old man diagnosed with adult-onset idiopathic chondrolysis of the hip. Chondrolysis of the hip is a disorder most frequently seen in children who have suffered with slipped capital femoral epiphyses. Idiopathic chondrolysis of the hip is extremely rare and to our knowledge, its onset has never been documented in adults aged over 20. With reference to the available medical literature, we summarise the current clinical management of this unusual but important cause of young adult hip pain...
February 13, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28191526/decreased-regional-left-ventricular-myocardial-strain-in-type-1-diabetic-children-a-first-sign-of-diabetic-cardiomyopathy
#18
Amir Hodzic, Virginie Ribault, Pascale Maragnes, Paul Milliez, Eric Saloux, Fabien Labombarda
BACKGROUND AND OBJECTIVES: Type 1 diabetes is a major cardiovascular risk factor associated with an excess of mortality in young adults due to premature cardiovascular events, which includes heart failure. The relation between type 1 diabetes and cardiac structure and function in children was poorly documented. Our study investigates (1) whether type 1 diabetic children have echocardiographic signs of subclinical cardiac dysfunction assessed by tissue Doppler strain and (2) whether state of metabolic control and diabetes duration have any influence on the cardiac event...
June 1, 2016: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28187045/apolipoprotein-l1-and-chronic-kidney-disease-risk-in-young-potential-living-kidney-donors
#19
Jayme E Locke, Deirdre Sawinski, Rhiannon D Reed, Brittany Shelton, Paul A MacLennan, Vineeta Kumar, Shikha Mehta, Roslyn B Mannon, Robert Gaston, Bruce A Julian, John J Carr, James G Terry, Meredith Kilgore, Allan B Massie, Dorry L Segev, Cora E Lewis
OBJECTIVE: The aim of this study was to develop a novel chronic kidney disease (CKD) risk prediction tool for young potential living kidney donors. SUMMARY OF BACKGROUND DATA: Living kidney donor selection practices have evolved from examining individual risk factors to a risk calculator incorporating multiple characteristics. Owing to limited long-term data and lack of genetic information, current risk tools lack precision among young potential living kidney donors, particularly African Americans (AAs)...
February 9, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28186547/epidemiology-and-management-of-hypertension-in-paediatric-and-young-adult-kidney-transplant-recipients-in-the-netherlands
#20
Linn C Dobrowolski, Maike van Huis, Johanna H van der Lee, Hessel Peters Sengers, Marc R Liliën, Karlien Cransberg, Marlies Cornelissen, Antonia H Bouts, Johan W de Fijter, Stefan P Berger, Arjan van Zuilen, Shaikh A Nurmohamed, Michiel H G Betjes, Luuk Hilbrands, Andries J Hoitsma, Frederike J Bemelman, C T Paul Krediet, Jaap W Groothoff
No abstract text is available yet for this article.
February 1, 2017: Nephrology, Dialysis, Transplantation
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