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David healy

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https://www.readbyqxmd.com/read/28538025/a-cluster-rct-to-reduce-workers-sitting-time-impact-on-cardiometabolic-biomarkers
#1
Genevieve N Healy, Elisabeth Ah Winkler, Elizabeth G Eakin, Neville Owen, Anthony D LaMontagne, Marj Moodie, David W Dunstan
PURPOSE: To evaluate the initial and long-term impacts on cardio-metabolic health indicators of the Stand Up Victoria intervention - a 12-month, multicomponent workplace-delivered intervention that successfully reduced overall sitting time, primarily by increasing standing time. METHODS: Office worksites (≥1km apart) from a single organization were cluster randomized to intervention (n=7) or control (n=7). Participants were 136 intervention and 95 control desk-based workers (5-39 per worksite; 68% women; mean±SD age = 45...
May 22, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28530125/pro-inflammatory-activation-of-primary-microglia-and-macrophages-increases-18%C3%A2-kda-translocator-protein-expression-in-rodents-but-not-humans
#2
David R Owen, Nehal Narayan, Lisa Wells, Luke Healy, Erica Smyth, Eugenii A Rabiner, Dylan Galloway, John B Williams, Joshua Lehr, Harpreet Mandhair, Laura An Peferoen, Peter C Taylor, Sandra Amor, Jack P Antel, Paul M Matthews, Craig S Moore
The 18kDa Translocator Protein (TSPO) is the most commonly used tissue-specific marker of inflammation in positron emission tomography (PET) studies. It is expressed in myeloid cells such as microglia and macrophages, and in rodent myeloid cells expression increases with cellular activation. We assessed the effect of myeloid cell activation on TSPO gene expression in both primary human and rodent microglia and macrophages in vitro, and also measured TSPO radioligand binding with (3)H-PBR28 in primary human macrophages...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28451784/pre-existing-low-back-symptoms-impact-adversely-on-sitting-time-reduction-in-office-workers
#3
Pieter Coenen, Genevieve N Healy, Elisabeth A H Winkler, David W Dunstan, Neville Owen, Marj Moodie, Anthony D LaMontagne, Elizabeth A Eakin, Leon M Straker
OBJECTIVES: Initiatives to reduce office-workplace sitting are proliferating, but the impact of pre-existing musculoskeletal symptoms on their effectiveness has not been determined. We assessed the influence of musculoskeletal symptoms on the outcomes of a workplace sitting intervention. METHODS: Baseline and 3-month data from a cluster-randomized controlled trial of a workplace sitting intervention (Stand Up Victoria; trial registration number ACTRN12611000742976) were used...
April 27, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28424246/enteropathy-associated-t-cell-lymphoma-subtypes-are-characterized-by-loss-of-function-of-setd2
#4
Andrea B Moffitt, Sarah L Ondrejka, Matthew McKinney, Rachel E Rempel, John R Goodlad, Chun Huat Teh, Sirpa Leppa, Susanna Mannisto, Panu E Kovanen, Eric Tse, Rex K H Au-Yeung, Yok-Lam Kwong, Gopesh Srivastava, Javeed Iqbal, Jiayu Yu, Kikkeri Naresh, Diego Villa, Randy D Gascoyne, Jonathan Said, Magdalena B Czader, Amy Chadburn, Kristy L Richards, Deepthi Rajagopalan, Nicholas S Davis, Eileen C Smith, Brooke C Palus, Tiffany J Tzeng, Jane A Healy, Patricia L Lugar, Jyotishka Datta, Cassandra Love, Shawn Levy, David B Dunson, Yuan Zhuang, Eric D Hsi, Sandeep S Dave
Enteropathy-associated T cell lymphoma (EATL) is a lethal, and the most common, neoplastic complication of celiac disease. Here, we defined the genetic landscape of EATL through whole-exome sequencing of 69 EATL tumors. SETD2 was the most frequently silenced gene in EATL (32% of cases). The JAK-STAT pathway was the most frequently mutated pathway, with frequent mutations in STAT5B as well as JAK1, JAK3, STAT3, and SOCS1 We also identified mutations in KRAS, TP53, and TERT Type I EATL and type II EATL (monomorphic epitheliotropic intestinal T cell lymphoma) had highly overlapping genetic alterations indicating shared mechanisms underlying their pathogenesis...
May 1, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28359339/high-dose-statin-prophylaxis-in-cardiopulmonary-bypass-related-surgery-clinical-utility
#5
RANDOMIZED CONTROLLED TRIAL
Yie Roei Chee, R William G Watson, James McCarthy, Jehan Zeb Chughtai, Lars Nölke, David G Healy
BACKGROUND: Previous studies from our group demonstrated the anti-inflammatory properties of statins on cardiopulmonary bypass (CPB), through inhibition of neutrophil transendothelial migration. We sought to determine the utility of preoperative statin on patients undergoing cardiac surgery, to investigate any moderating effects on the systemic inflammatory response (SIRS) with CPB, and to evaluate any clinical impact on our patients. METHODS: This is a prospective, randomised controlled trial with national regulatory body approval...
March 31, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28340615/glucocorticoids-induce-production-of-reactive-oxygen-species-reactive-nitrogen-species-and-dna-damage-through-an-inos-mediated-pathway-in-breast-cancer
#6
Renée L Flaherty, Matthew Owen, Aidan Fagan-Murphy, Haya Intabli, David Healy, Anika Patel, Marcus C Allen, Bhavik A Patel, Melanie S Flint
BACKGROUND: Psychological stress increases the circulating levels of the stress hormones cortisol and norepinephrine (NE). Chronic exposure to elevated stress hormones has been linked to a reduced response to chemotherapy through induction of DNA damage. We hypothesize that stress hormone signalling may induce DNA damage through the production of reactive oxygen species (ROS)/reactive nitrogen species (RNS) and interference in DNA repair processes, promoting tumourigenesis. METHODS: Breast cancer cell lines were incubated with physiological levels of cortisol and NE in the presence and absence of receptor antagonists and inducible nitric oxide synthase (iNOS) inhibitors and DNA damage measured using phosphorylated γ-H2AX...
March 24, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28297429/method-and-phantom-to-study-combined-effects-of-in-plane-x-y-and-z-axis-resolution-for-3d-ct-imaging
#7
David Goodenough, Josh Levy, Smari Kristinsson, Jesper Fredriksson, Hildur Olafsdottir, Austin Healy
Increasingly, the advent of multislice CT scanners, volume CT scanners, and total body spiral acquisition modes has led to the use of Multi Planar Reconstruction and 3D datasets. In considering 3D resolution properties of a CT system it is important to note that both the in-plane (x,y) and z-axis (slice thickness) influence the visualization and detection of objects within the scanned volume. This study investigates ways to consider both the in-plane resolution and the z-axis resolution in a single phantom wherein analytic or visualized analysis can yield information on these combined effects...
September 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28264684/intervening-to-reduce-workplace-sitting-mediating-role-of-social-cognitive-constructs-during-a-cluster-randomised-controlled-trial
#8
Nyssa T Hadgraft, Elisabeth A H Winkler, Genevieve N Healy, Brigid M Lynch, Maike Neuhaus, Elizabeth G Eakin, David W Dunstan, Neville Owen, Brianna S Fjeldsoe
BACKGROUND: The Stand Up Victoria multi-component intervention successfully reduced workplace sitting time in both the short (three months) and long (12 months) term. To further understand how this intervention worked, we aimed to assess the impact of the intervention on four social-cognitive constructs, and examined whether these constructs mediated intervention effects on workplace sitting time at 3 and 12 months post-baseline. METHODS: Two hundred and thirty one office-based workers (14 worksites, single government employer) were randomised to intervention or control conditions by worksite...
March 6, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28240701/12-year-television-viewing-time-trajectories-and-physical-function-in-older-adults
#9
Natasha Reid, Genevieve N Healy, Robin M Daly, Peter Baker, Elizabeth G Eakin, David W Dunstan, Neville Owen, Paul A Gardiner
INTRODUCTION: The purpose of this study was to identify trajectories of older adults' television viewing (TV) time over 12 years; and, to examine their associations with performance-based measures of physical function. METHODS: Data on TV time (hours/week) and socio-demographic factors were collected at each assessment of the Australian Diabetes, Obesity and Lifestyle (AusDiab) Study (1999/2000; 2004/2005; 2011/2012), with objective measures of physical function (2...
February 25, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28229911/diagnostic-accuracy-of-carotid-intima-media-thickness-in-predicting-coronary-plaque-burden-on-coronary-computed-tomography-angiography-in-patients-with-obstructive-sleep-apnoea
#10
David J Murphy, Sophie J Crinion, Ciaran E Redmond, Gerard M Healy, Walter T McNicholas, Silke Ryan, Jonathan D Dodd
AIM: To assess the diagnostic accuracy of common carotid artery intima media thickness (CIMT) for coronary artery disease (CAD) detection in patients with obstructive sleep apnoea (OSA). MATERIALS & METHODS: Patients with clinically suspected OSA prospectively underwent polysomnography (PSG), ultrasound CIMT measurement and coronary computed tomography angiography (CTA). An average CIMT of ≥0.9 mm in either common carotid artery designated as a positive test...
February 11, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28215353/a-molecular-and-morphological-re-examination-of-the-generic-limits-of-truffles-in-the-tarzetta-geopyxis-lineage-densocarpa-hydnocystis-and-paurocotylis
#11
Leticia M Kumar, Matthew E Smith, Eduardo R Nouhra, Takamichi Orihara, Pablo Sandoval Leiva, Donald H Pfister, David J McLaughlin, James M Trappe, Rosanne A Healy
Truffle species within the /tarzetta-geopyxis lineage share smooth, globose, hyaline spores, but differ in the amount of convolution of hymenia in ascomata. The relationships among truffle species in this lineage have historically been confused. Phylogenetic analyses of the ITS and 28S nuclear ribosomal DNA from recently collected members of the /tarzetta-geopyxis lineage from Asia, Austral Asia, North America, and South America prompted a reinvestigation of species and generic limits in the truffle genera Hydnocystis, Paurocotylis, and Stephensia...
March 2017: Fungal Biology
https://www.readbyqxmd.com/read/28214359/gene-expression-plasticity-in-response-to-salinity-acclimation-in-threespine-stickleback-ecotypes-from-different-salinity-habitats
#12
Taylor C Gibbons, David C H Metzger, Timothy M Healy, Patricia M Schulte
Phenotypic plasticity is thought to facilitate the colonization of novel environments and shape the direction of evolution in colonizing populations. However, the relative prevalence of various predicted patterns of changes in phenotypic plasticity following colonization remains unclear. Here, we use a whole-transcriptome approach to characterize patterns of gene expression plasticity in the gills of a freshwater-adapted and a saltwater-adapted ecotype of threespine stickleback (Gasterosteus aculeatus) exposed to a range of salinities...
February 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28175613/369%C3%A2-chimeric-antigen-receptors-deficient-in-lck-signaling-require-4-1bb-costimulation-to-expand-in-vivo-resist-regulatory-t-cell-suppression-and-treat-solid-tumors-in-immune-intact-hosts
#13
Carter M Suryadevara, Rupen Desai, Samuel Harrison Farber, Patrick C Gedeon, Adam Swartz, David Snyder, James Herndon, Patrick Healy, Bryan D Choi, Peter Edward Fecci, Luis Sanchez-Perez, John H Sampson
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28166892/a-qualitative-review-of-existing-national-and-international-occupational-safety-and-health-policies-relating-to-occupational-sedentary-behaviour
#14
REVIEW
Pieter Coenen, Nicholas Gilson, Genevieve N Healy, David W Dunstan, Leon M Straker
Prolonged sedentary time is now recognised as an emergent ergonomics issue. We aimed to review current occupational safety and health policies relevant to occupational sedentary behaviour. An electronic search for documents was conducted on websites of ergonomics and occupational safety and health organisations from 10 countries and six international/pan-European agencies. Additionally, 43 informants (nine countries) were contacted and an international conference workshop held. 119 documents (e.g. legislation, guidelines, codes of practice) were identified...
April 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28165177/intrauterine-death-rate-in-gastroschisis-following-the-introduction-of-an-antenatal-surveillance-program-retrospective-observational-study
#15
Helen Perry, Costa Healy, Diana Wellesley, Nigel J Hall, Melanie Drewett, David M Burge, David T Howe
AIM: To investigate whether an antenatal surveillance protocol including ultrasound and cardiotocograph monitoring reduces intrauterine death (IUD) in cases of gastroschisis. Secondary outcomes included neonatal death rate, mode of delivery and rate of intervention before planned time of delivery. METHODS: This was a retrospective observational study of all women with antenatally diagnosed gastroschisis who were managed according to the surveillance program between 2002 and 2015 in a tertiary fetal medicine and pediatric surgical center covering the Wessex region of England...
March 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28160292/preoperative-%C3%AE-blockade-and-hypertension-in-the-first-hour-of-functional-endoscopic-sinus-surgery
#16
Samuel A Schechtman, Aileen P Wertz, Amy Shanks, Aleda Thompson, Kevin Tremper, Melissa A Pynnonen, David W Healy
OBJECTIVES/HYPOTHESIS: Local anesthetic with epinephrine is commonly injected into the nasal mucosa during functional endoscopic sinus surgery (FESS). Systemic absorption of epinephrine following local injection may occur, resulting in a mild sympathetic response. This study seeks to determine whether an exaggerated sympathetic response to epinephrine is demonstrated in patients undergoing FESS treated preoperatively with established pharmacologic beta (β) adrenoceptor blockade. STUDY DESIGN: A retrospective analysis of adult patients undergoing FESS at a tertiary care university hospital...
February 3, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28131163/the-test-accuracy-of-the-montreal-cognitive-assessment-moca-by-stroke-lateralisation
#17
Edgar Chan, Samantha Altendorff, Colm Healy, David J Werring, Lisa Cipolotti
BACKGROUND: The Montreal Cognitive Assessment (MoCA) is an increasingly popular screening tool for detecting cognitive impairment post-stroke. However its' test accuracy by stroke lateralisation is as yet unknown. AIM: Our aim was to investigate whether the test accuracy of the MoCA differs by stroke lateralisation across different cognitive domains. METHODS: We retrospectively examined the cognitive profiles of 228 subacute stroke patients (86 Left, 142 Right), comparing MoCA-total and domain-specific scores with performance on detailed neuropsychological assessment...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28120527/does-diet-mediate-associations-of-volume-and-bouts-of-sedentary-time-with-cardiometabolic-health-indicators-in-adolescents
#18
Elly A Fletcher, Valerie Carson, Sarah A McNaughton, David W Dunstan, Genevieve N Healy, Jo Salmon
OBJECTIVE: Examine the mediating role of diet in the relationship between volume and duration of sedentary time with cardiometabolic health in adolescents. METHODS: Adolescents (12-19 years) participating in the 2003/04 and 2005/06 U.S. National Health and Nutrition Examination Survey (NHANES) were examined. Cardiometabolic health indicators were body mass index z-scores (zBMI) (n = 1,797) and metabolic syndrome (MetS) (n = 812). An ActiGraph hip-worn accelerometer was used to derive total sedentary time and usual sedentary bout duration...
March 2017: Obesity
https://www.readbyqxmd.com/read/28093606/erratum-to-adjusting-foraging-strategies-a-comparison-of-rural-and-urban-common-mynas-acridotheres-tristis
#19
Ira G Federspiel, Alexis Garland, David Guez, Thomas Bugnyar, Susan D Healy, Onur Güntürkün, Andrea S Griffin
No abstract text is available yet for this article.
January 2017: Animal Cognition
https://www.readbyqxmd.com/read/28087821/selection-of-first-line-therapy-in-multiple-sclerosis-using-risk-benefit-decision-analysis
#20
David Bargiela, Matthew T Bianchi, M Brandon Westover, Lori B Chibnik, Brian C Healy, Philip L De Jager, Zongqi Xia
OBJECTIVE: To integrate long-term measures of disease-modifying drug efficacy and risk to guide selection of first-line treatment of multiple sclerosis. METHODS: We created a Markov decision model to evaluate disability worsening and progressive multifocal leukoencephalopathy (PML) risk in patients receiving natalizumab (NTZ), fingolimod (FGL), or glatiramer acetate (GA) over 30 years. Leveraging publicly available data, we integrated treatment utility, disability worsening, and risk of PML into quality-adjusted life-years (QALYs)...
February 14, 2017: Neurology
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