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https://www.readbyqxmd.com/read/28299774/working-hours-of-obstetrics-and-gynaecology-trainees-in-australia-and-new-zealand
#1
Jade Acton, Paige E Tucker, Max K Bulsara, Paul A Cohen
BACKGROUND: The importance of doctors' working hours has gained significant attention with evidence suggesting long hours and fatigue may compromise the safety and wellbeing of both patients and doctors. This study aims to quantify the working hours of The Royal Australian and New Zealand College of Obstetricians and Gynaecologists (RANZCOG) specialist trainees in order to better inform discussions of working hours and safety within our region. METHODS: An anonymous, online survey of RANZCOG trainees was conducted...
March 15, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28294687/twenty-two-years-of-u-s-meat-and-poultry-product-recalls-implications-for-food-safety-and-food-waste
#2
Acton Gorton, Matthew J Stasiewicz
The U.S. Department of Agriculture, Food Safety and Inspection Service maintains a recall case archive of meat and poultry product recalls from 1994 to the present. In this study, we collected all recall records from 1994 to 2015 and extracted the recall date, meat or poultry species implicated, reason for recall, recall class, and pounds of product recalled and recovered. Of a total of 1,515 records analyzed, the top three reasons for recall were contamination with Listeria, undeclared allergens, and Shiga toxin-producing Escherichia coli ...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28265415/metabolic-improvements-following-roux-en-y-surgery-assessed-by-solid-meal-test-in-subjects-with-short-duration-type-2-diabetes
#3
Sudha S Shankar, Lori A Mixson, Manu Chakravarthy, Robin Chisholm, Anthony J Acton, RoseMarie Jones, Samer G Mattar, Deborah L Miller, Lea Petry, Chan R Beals, S Aubrey Stoch, David E Kelley, Robert V Considine
BACKGROUND: Glucose homeostasis improves within days following Roux-en-Y gastric bypass (RYGB) surgery. The dynamic metabolic response to caloric intake following RYGB has been assessed using liquid mixed meal tolerance tests (MMTT). Few studies have evaluated the glycemic and hormonal response to a solid mixed meal in subjects with diabetes prior to, and within the first month following RYGB. METHODS: Seventeen women with type 2 diabetes of less than 5 years duration participated...
2017: BMC Obesity
https://www.readbyqxmd.com/read/28202572/differential-regulation-of-nmda-receptors-by-d-serine-and-glycine-in-mammalian-spinal-locomotor-networks
#4
David Acton, Gareth Brian Miles
Activation of N-methyl-D-aspartate receptors (NMDARs) requires the binding of a co-agonist, either D-serine or glycine, in addition to glutamate. Changes in occupancy of the co-agonist binding site are proposed to modulate neural networks including those controlling swimming in frog tadpoles. Here, we characterize regulation of the NMDAR co-agonist binding site in mammalian spinal locomotor networks. Blockade of NMDARs by D(-)-2-amino-5-phosphonopentanoic acid (D-APV) or 5,7-dichlorokynurenic acid reduced the frequency and amplitude of pharmacologically induced locomotor-related activity recorded from the ventral roots of spinal-cord preparations from neonatal mice...
February 15, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28175017/p219-inflammatory-bowel-disease-in-children-is-a-challenging-diagnosis-when-overlaps-with-coeliac-disease
#5
A Zambrano Perez, R Shergill-Bonner, F Kiparissi, N Acton, K Lindley, N Shah, M Baycheva
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28172976/p591-therapeutic-drug-monitoring-in-paediatric-inflammatory-bowel-disease-on-maintenance-infliximab-and-adalimumab-treatment-improves-clinical-remission-with-a-proactive-approach
#6
S Chadokufa, S Sider, B Huggett, T Sawney, N Shah, M Baycheva, A Zambrano Perez, N Acton, F Kiparissi
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28172769/p707-paediatric-ibd-patients-do-not-meet-the-daily-recommendations-of-vitamin-d-and-calcium-intake-survey-based-analysis-in-a-tertiary-centre
#7
R Shergill-Bonner, A Zambrano Perez, N Acton, S Chadokufa, B Huggett, F Kiparissi, M Baycheva, N Shah, S Sider
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28172761/p479-shifting-the-shunters-in-a-paediatric-inflammatory-bowel-disease-population-thiopurine-dose-splitting-versus-allopurinol-and-thiopurine-co-therapy
#8
S Chadokufa, M Baycheva, T Sawney, N Acton, S Sider, N Shah, B Huggett, R Dziubak, F Kiparrissi
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28066922/x-ray-crystal-structure-of-the-n-terminal-region-of-moloney-murine-leukemia-virus-integrase-and-its-implications-for-viral-dna-recognition
#9
Rongjin Guan, Sriram Aiyer, Marie L Cote, Rong Xiao, Mei Jiang, Thomas B Acton, Monica J Roth, Gaetano T Montelione
The retroviral integrase (IN) carries out the integration of a dsDNA copy of the viral genome into the host DNA, an essential step for viral replication. All IN proteins have three general domains, the N-terminal domain (NTD), the catalytic core domain, and the C-terminal domain. The NTD includes an HHCC zinc finger-like motif, which is conserved in all retroviral IN proteins. Two crystal structures of Moloney murine leukemia virus (M-MuLV) IN N-terminal region (NTR) constructs that both include an N-terminal extension domain (NED, residues 1-44) and an HHCC zinc-finger NTD (residues 45-105), in two crystal forms are reported...
April 2017: Proteins
https://www.readbyqxmd.com/read/28013361/bone-mass-and-strength-are-significantly-improved-in-mice-overexpressing-human-wnt16-in-osteocytes
#10
Imranul Alam, Austin M Reilly, Mohammed Alkhouli, Rita L Gerard-O'Riley, Charishma Kasipathi, Dana K Oakes, Weston B Wright, Dena Acton, Amie K McQueen, Bhavmik Patel, Kyung-Eun Lim, Alexander G Robling, Michael J Econs
Recently, we demonstrated that osteoblast-specific overexpression of human WNT16 increased both cortical and trabecular bone mass and structure in mice. To further identify the cell-specific role of Wnt16 in bone homeostasis, we created transgenic (TG) mice overexpressing human WNT16 in osteocytes using Dmp1 promoter (Dmp1-hWNT16 TG) on C57BL/6 (B6) background. We analyzed bone phenotypes and serum bone biomarkers, performed gene expression analysis and measured dynamic bone histomorphometry in Dmp1-hWNT16 TG and wild-type (WT) mice...
April 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28005411/a-mutation-in-the-dmp1-gene-alters-phosphate-responsiveness-in-mice
#11
Shoji Ichikawa, Rita Gerard-O'Riley, Dena Acton, Amie K McQueen, Isabel E Strobel, Phillip C Witcher, Jian Q Feng, Michael J Econs
Mutations in the dentin matrix protein 1 (DMP1) gene cause autosomal recessive hypophosphatemic rickets (ARHR). Hypophosphatemia in ARHR results from increased circulating levels of a phosphaturic hormone, fibroblast growth factor 23 (FGF23). Similarly, elevated FGF23, caused by mutations in the PHEX gene, is responsible for the hypophosphatemia in X-linked hypophosphatemic rickets (XLH). Previously, we demonstrated that a Phex mutation in mice creates a lower set point for extracellular phosphate, where an increment in phosphorus further stimulates Fgf23 production to maintain low serum phosphorus levels...
December 22, 2016: Endocrinology
https://www.readbyqxmd.com/read/27930779/effect-of-a-home-visit-based-low-vision-rehabilitation-intervention-on-visual-function-outcomes-an-exploratory-randomized-controlled-trial
#12
Jennifer H Acton, Bablin Molik, Helen Court, Tom H Margrain
Purpose: To examine the effect of a home visit-based visual rehabilitation intervention on: (1) self-reported visual function and (2) depression, wellbeing, loneliness, adjustment to visual loss, and generic health-related quality of life. Methods: In an exploratory, assessor-masked, individually randomized, single-center controlled trial, 67 participants (age: 75.22 ± 16.21 years) with low vision were allocated either to receive the home visit-based visual rehabilitation intervention (n = 35) or to a waiting list control arm (n = 32)...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27915113/white-blood-cells-and-subtypes-in-hfe-p-c282y-and-wild-type-homozygotes-in-the-hemochromatosis-and-iron-overload-screening-study
#13
James C Barton, J Clayborn Barton, Ronald T Acton
The major histocompatibility complex is linked to white blood cell (WBC) and lymphocyte counts in subjects unselected for HFE genotypes. We compared age, sex, body mass index, total WBC and subtypes (neutrophils, lymphocytes, monocytes, eosinophils, basophils) (Beckman Coulter® Gen-S), transferrin saturation, and serum ferritin of HFE p.C282Y and wild-type (p.C282Y, p.H63D negative) homozygotes without acquired conditions that influence WBC counts. We performed regressions on WBC and subtypes. There were 161 p...
November 12, 2016: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/27910316/measurement-of-the-deuterium-balmer-series-line-emission-on-east
#14
C R Wu, J Huang, W Gao, W Gao, Z Xu, J F Chang, Y M Hou, Z Jin, J C Xu, Y M Duan, P F Zhang, Y J Chen, L Zhang, Z W Wu, J G Li
Volume recombination plays an important role towards plasma detachment for magnetically confined fusion devices. High quantum number states of the Balmer series of deuterium are used to study recombination. On EAST (Experimental Advanced Superconducting Tokamak), two visible spectroscopic measurements are applied for the upper/lower divertor with 13 channels, respectively. Both systems are coupled with Princeton Instruments ProEM EMCCD 1024B camera: one is equipped on an Acton SP2750 spectrometer, which has a high spectral resolution ∼0...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27905678/a-phase-i-ii-trial-of-at9283-a-selective-inhibitor-of-aurora-kinase-in-children-with-relapsed-or-refractory-acute-leukemia-challenges-to-run-early-phase-clinical-trials-for-children-with-leukemia
#15
B Vormoor, G J Veal, M J Griffin, A V Boddy, J Irving, L Minto, M Case, U Banerji, K E Swales, J R Tall, A S Moore, M Toguchi, G Acton, K Dyer, C Schwab, C J Harrison, J D Grainger, D Lancaster, P Kearns, D Hargrave, J Vormoor
Aurora kinases regulate mitosis and are commonly overexpressed in leukemia. This phase I/IIa study of AT9283, a multikinase inhibitor, was designed to identify maximal tolerated doses, safety, pharmacokinetics, and pharmacodynamic activity in children with relapsed/refractory acute leukemia. The trial suffered from poor recruitment and terminated early, therefore failing to identify its primary endpoints. AT9283 caused tolerable toxicity, but failed to show clinical responses. Future trials should be based on robust preclinical data that provide an indication of which patients may benefit from the experimental agent, and recruitment should be improved through international collaborations and early combination with established treatment strategies...
December 1, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27884391/basic-airway-skills-acquisition-using-the-american-college-of-surgeons-association-for-surgical-education-medical-student-simulation-based-surgical-skills-curriculum-initial-results
#16
Sydne Muratore, Michael Kim, Jaisa Olasky, Andre Campbell, Robert Acton
BACKGROUND: The ACS/ASE Medical Student Simulation-Based Skills Curriculum was developed to standardize medical student training. This study aims to evaluate the feasibility and validity of implementing the basic airway curriculum. METHODS: This single-center, prospective study of medical students participating in the basic airway module from 12/2014-3/2016 consisted of didactics, small-group practice, and testing in a simulated clinical scenario. Proficiency was determined by a checklist of skills (1-15), global score (1-5), and letter grade (NR-needs review, PS-proficient in simulation scenario, CP-proficient in clinical scenario)...
February 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/27828837/development-of-a-conceptual-framework-to-measure-the-social-impact-of-burns
#17
Molly Marino, Marina Soley-Bori, Alan M Jette, Mary D Slavin, Colleen M Ryan, Jeffrey C Schneider, Linda Resnik, Amy Acton, Flor Amaya, Melinda Rossi, Rene Soria-Saucedo, Lewis E Kazis
Measuring community reintegration following burn injury is important to assess the efficacy of therapies designed to optimize recovery. This project aims to develop and validate a conceptual framework for understanding the social impact of burn injuries in adults. The framework is critical for developing the item banks used for a computerized adaptive test. We performed a comprehensive literature review and consulted with clinical experts and burn survivors about social life areas impacted by burn injury. Focus groups with burn survivors and clinicians were conducted to inform and validate the framework...
November 2016: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/27822783/intraoperative-temperature-regulation-in-children-using-a-liquid-warming-garment
#18
Mariya E Skube, Robert D Acton, Victor S Koscheyev, Gloria R Leon, Daniel A Saltzman
PURPOSE: Children undergoing operative intervention while induced under general anesthesia are at risk for experiencing a significant decrease in core body temperature that can lead to adverse systemic effects. Given that the head contributes an estimated 18% of a child's body surface area, we theorized that a liquid-warming garment applied to the head could control a pediatric patient's core body temperature during surgical procedures. METHODS: Patients undergoing elective, non-cranial, general surgical procedures were enrolled in the study...
November 7, 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27763846/the-efficacy-of-calorie-labelling-formats-on-pre-packaged-foods-an-experimental-study-among-adolescents-and-young-adults-in-canada
#19
Rachel B Acton, Lana Vanderlee, Christine White, David Hammond
OBJECTIVES: Several countries have proposed changes to calorie labelling on nutrition facts tables (NFTs) on pre-packaged foods. As most research to date has examined general use of NFTs, there is a lack of evidence to guide specific design changes to calorie information on labels. This study examined the efficacy of various calorie labelling formats on recall, comprehension, and consumer preferences for calorie information. METHODS: Experiments were conducted as part of an online survey with a national sample of 2,008 Canadians aged 16-24...
October 20, 2016: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/27746321/phenotypic-severity-of-autosomal-dominant-osteopetrosis-type-ii-ado2-mice-on-different-genetic-backgrounds-recapitulates-the-features-of-human-disease
#20
Imranul Alam, Amie K McQueen, Dena Acton, Austin M Reilly, Rita L Gerard-O'Riley, Dana K Oakes, Charishma Kasipathi, Abigail Huffer, Weston B Wright, Michael J Econs
Autosomal dominant osteopetrosis type II (ADO2) is a heritable osteosclerotic bone disorder due to dysfunctional osteoclast activity. ADO2 is caused by missense mutations in the chloride channel 7 (CLCN7) gene characterized by osteosclerosis with multiple fractures. ADO2 can result in osteomyelitis, visual loss and bone marrow failure. Currently, there is no cure for ADO2, and until recently no appropriate animal model of ADO2 existed to understand better the pathogenesis of this disease and to test new therapies...
January 2017: Bone
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