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https://www.readbyqxmd.com/read/28812044/monte-carlo-simulations-of-randomized-clinical-trials-in-epilepsy
#1
Daniel M Goldenholz, Joseph Tharayil, Robert Moss, Evan Myers, William H Theodore
BACKGROUND: The placebo response in epilepsy randomized clinical trials (RCTs) has recently been shown to largely reflect underlying natural variability in seizure frequency. Based on this observation, we sought to explore the parameter space of RCT design to optimize trial efficiency and cost. METHODS: We used one of the world's largest patient reported seizure diary databases, SeizureTracker.com to derive virtual patients for simulated RCTs. We ran 1000 randomly generated simulated trials using bootstrapping (sampling with replacement) for each unique combination of trial parameters, sweeping a large set of parameters in durations of the baseline and test periods, number of patients, eligibility criteria, drug effect size, and patient dropout...
August 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28810405/a-case-control-study-of-psychosocial-factors-and-their-relationship-to-impairment-and-functionality-in-multiple-sclerosis
#2
Laia Briones-Buixassa, Raimon Milà, Francesc X Arrufat, Josep Mª Aragonès, Enric Bufill, Olivier Luminet, Rona Moss-Morris
The stress effect on multiple sclerosis remains unclear. Moderating psychosocial factors may be involved. This study compares some of them in people with multiple sclerosis and healthy controls, and their association with disease parameters. Coping style, social support, anxiety, alexithymia and early-life stress were measured, along with impairment and functionality. People with multiple sclerosis scored significantly higher on anxiety, alexithymia, and avoidance and instinctive coping but lower in social support...
February 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810364/identifying-barriers-to-help-seeking-for-non-motor-symptoms-in-people-with-parkinson-s-disease
#3
Catherine S Hurt, Lorna Rixon, K Ray Chaudhuri, Rona Moss-Morris, Mike Samuel, Richard G Brown
Non-motor symptoms of Parkinson's disease have a significant impact on quality of life. Despite this, many non-motor symptoms remain unreported by patients and consequently untreated. This study explored barriers to help-seeking using two theoretical frameworks, the Common Sense Model of illness perception and Theoretical Domains Framework. A total of 20 participants completed semi-structured interviews to explore symptom beliefs and help-seeking behaviour. Uncertainty about the relationship of non-motor symptoms to Parkinson's disease and lack of clarity around treatments were common...
December 1, 2016: Journal of Health Psychology
https://www.readbyqxmd.com/read/28806955/reducing-the-socioeconomic-gradient-in-uptake-of-the-nhs-bowel-cancer-screening-programme-using-a-simplified-supplementary-information-leaflet-a-cluster-randomised-trial
#4
Samuel G Smith, Jane Wardle, Wendy Atkin, Rosalind Raine, Lesley M McGregor, Gemma Vart, Steve Morris, Stephen W Duffy, Susan Moss, Allan Hackshaw, Stephen Halloran, Ines Kralj-Hans, Rosemary Howe, Julia Snowball, Graham Handley, Richard F Logan, Sandra Rainbow, Steve Smith, Mary Thomas, Nicholas Counsell, Christian von Wagner
BACKGROUND: Uptake of colorectal cancer screening is low in the English NHS Bowel Cancer Screening Programme (BCSP). Participation in screening is strongly associated with socioeconomic status. The aim of this study was to determine whether a supplementary leaflet providing the 'gist' of guaiac-based Faecal Occult Blood test (gFOBt) screening for colorectal cancer could reduce the socioeconomic status (SES) gradient in uptake in the English NHS BCSP. METHODS: The trial was integrated within routine BCSP operations in November 2012...
August 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28803659/seizing-control-of-kcc2-a-new-therapeutic-target-for-epilepsy
#5
REVIEW
Yvonne E Moore, Matt R Kelley, Nicholas J Brandon, Tarek Z Deeb, Stephen J Moss
Deficits in GABAergic inhibition result in the abnormal neuronal activation and synchronization that underlies seizures. However, the molecular mechanisms responsible for transforming a normal brain into an epileptic one remain largely unknown. Hyperpolarizing inhibition mediated by type A GABA (GABAA) receptors is dependent on chloride extrusion by the neuron-specific type 2K(+)-Cl(-) cotransporter (KCC2). Loss-of-function mutations in KCC2 are a known cause of infantile epilepsy in humans and KCC2 dysfunction is present in patients with both idiopathic and acquired epilepsy...
August 10, 2017: Trends in Neurosciences
https://www.readbyqxmd.com/read/28802157/droplet-digital-pcr-for-rapid-enumeration-of-viral-genomes-and-particles-from-cells-and-animals-infected-with-orthopoxviruses
#6
Jeffrey L Americo, Patricia L Earl, Bernard Moss
Droplet digital polymerase chain reaction (ddPCR) was adapted for quantifying the number of orthopoxviral genomes in purified virus samples, infected cell lysates and tissues of infected animals. In contrast to the more commonly used qPCR, the newer ddPCR provides absolute numbers of DNA copies in samples without need for standard curves and has the ability to detect rare mutants in a population. The genome/infectious unit ratio for several sucrose gradient-purified orthopoxviruses varied from 5 to 10, which correlated well with values obtained using the Virocyt, a dedicated fluorescence flow cytometer...
August 9, 2017: Virology
https://www.readbyqxmd.com/read/28801992/associations-between-behaviours-that-challenge-in-adults-with-intellectual-disability-parental-perceptions-and-parental-mental-health
#7
Jane Waite, John Rose, Lucy Wilde, Kate Eden, Chris Stinton, Jo Moss, Chris Oliver
OBJECTIVES: This study examined parental perceptions of behaviours that challenge (CB) in their adult children with intellectual disability (ID), and explored whether perceptions mediated associations between CB and parental psychological distress. DESIGN: A within-group correlational design was employed. METHODS: Sixty-five parents reported on individuals with genetic syndromes and ID who had chronic CB. Parents completed the Illness Perception Questionnaire-Revised (IPQ-R) adapted to measure perceptions of self-injury, aggression or property destruction, alongside assessments of parental locus of control, attributions about behaviour, parental psychological distress, and CB...
August 12, 2017: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28801224/celiac-disease-and-increased-risk-of-pneumococcal-infection-a-systematic-review-and-meta-analysis
#8
Malorie Simons, Lori A J Scott-Sheldon, Yesenia Risech-Neyman, Steven Moss, Jonas F Ludvigsson, Peter Hr Green
BACKGROUND: Celiac disease has been associated with hyposplenism and multiple case reports link Celiac disease and pneumococcal infections; however, increased risk of pneumococcal infection in celiac disease has not been confirmed. The purpose of this study was to conduct a systematic review to determine the risk of pneumococcal infections in celiac disease. METHODS: Relevant studies were identified using electronic bibliographic searches of PubMed, OVID Medline and EMBASE (1980 to February 2017) and reviewing abstracts from major conferences in gastroenterology...
August 8, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28800399/price-and-utilisation-differences-for-statins-between-four-countries
#9
L P Thai, A I Vitry, J R Moss
INTRODUCTION: Australia, England, France and New Zealand use different policies to regulate their medicines market, which can impact on utilisation and price. OBJECTIVES: To compare the prices and utilisation of statins in Australia, England, France and New Zealand from 2011 to 2013. METHODS: Utilisation of statins in the four countries was compared using Defined Daily Doses (DDD) per 1000 inhabitants per year. Pairwise Laspeyres and Paasche index comparisons were conducted comparing the price and utilisation of statins...
August 11, 2017: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/28800136/feathermoss-and-epiphytic-nostoc-cooperate-differently-expanding-the-spectrum-of-plant-cyanobacteria-symbiosis
#10
Denis Warshan, Josh L Espinoza, Rhona K Stuart, R Alexander Richter, Sea-Yong Kim, Nicole Shapiro, Tanja Woyke, Nikos C Kyrpides, Kerrie Barry, Vasanth Singan, Erika Lindquist, Charles Ansong, Samuel O Purvine, Heather M Brewer, Philip D Weyman, Christopher L Dupont, Ulla Rasmussen
Dinitrogen (N2)-fixation by cyanobacteria in symbiosis with feathermosses is the primary pathway of biological nitrogen (N) input into boreal forests. Despite its significance, little is known about the cyanobacterial gene repertoire and regulatory rewiring needed for the establishment and maintenance of the symbiosis. To determine gene acquisitions and regulatory changes allowing cyanobacteria to form and maintain this symbiosis, we compared genomically closely related symbiotic-competent and -incompetent Nostoc strains using a proteogenomics approach and an experimental set up allowing for controlled chemical and physical contact between partners...
August 11, 2017: ISME Journal
https://www.readbyqxmd.com/read/28798765/physcomitrella-patens-dehydrins-ppdhna-and-ppdhnc-confer-salinity-and-drought-tolerance-to-transgenic-arabidopsis-plants
#11
Qilong Li, Xiaochen Zhang, Qiang Lv, Dong Zhu, Tianhang Qiu, Yu Xu, Fang Bao, Yikun He, Yong Hu
Dehydrins (DHNs) as a member of late-embryogenesis-abundant (LEA) proteins are involved in plant abiotic stress tolerance. Two dehydrins PpDHNA and PpDHNC were previously characterized from the moss Physcomitrella patens, which has been suggested to be an ideal model plant to study stress tolerance due to its adaptability to extreme environment. In this study, functions of these two genes were analyzed by heterologous expressions in Arabidopsis. Phenotype analysis revealed that overexpressing PpDHN dehydrin lines had stronger stress resistance than wild type and empty-vector control lines...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28798409/using-blubber-explants-to-investigate-adipose-function-in-grey-seals-glycolytic-lipolytic-and-gene-expression-responses-to-glucose-and-hydrocortisone
#12
Kimberley A Bennett, Kelly J Robinson, Simon E W Moss, Sebastian Millward, Ailsa J Hall
Adipose tissue is fundamental to energy balance, which underpins fitness and survival. Knowledge of adipose regulation in animals that undergo rapid fat deposition and mobilisation aids understanding of their energetic responses to rapid environmental change. Tissue explants can be used to investigate adipose regulation in wildlife species with large fat reserves, when opportunities for organismal experimental work are limited. We investigated glucose removal, lactate, glycerol and NEFA accumulation in media, and metabolic gene expression in blubber explants from wild grey seals...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798270/a-phase-i-dose-escalation-study-of-the-safety-and-pharmacokinetics-of-pictilisib-in-combination-with-erlotinib-in-patients-with-advanced-solid-tumors
#13
Stephen Leong, Rebecca A Moss, Daniel W Bowles, Joseph A Ware, Jing Zhou, Jill M Spoerke, Mark R Lackner, Geetha Shankar, Jennifer L Schutzman, Ruud van der Noll, Emile E Voest, Jan H M Schellens
BACKGROUND: Epidermal growth factor receptor (EGFR) and phosphatidylinositol 3-kinase (PI3K) are involved in the proliferation and survival of many cancer types. Enhanced antitumor activity may be achieved through combined inhibition of these pathways. We report results for pictilisib (GDC-0941, a class I pan-PI3K inhibitor) plus erlotinib (an EGFR tyrosine kinase inhibitor) in patients with advanced solid tumors. MATERIALS AND METHODS: A 3 + 3 dose-escalation study was carried out at a starting daily dose of 60 mg pictilisib on days 1-21 of a 28-day cycle and 150 mg erlotinib from day 2 of cycle 1...
August 10, 2017: Oncologist
https://www.readbyqxmd.com/read/28796916/fragrance-contact-allergens-in-5-588-cosmetic-products-identified-through-a-novel-smartphone-application
#14
Niels Højsager Bennike, Nikoline Bang Oturai, Stine Müller, Christel Søgaard Kirkeby, Claus Jørgensen, Anne Beck Christensen, Claus Zachariae, Jeanne Duus Johansen
BACKGROUND: More than 25% of the adult European population suffers from contact allergy, with fragrance substances recognized as one of the main causes. Since 2005, 26 fragrance contact allergens have been mandatory to label in cosmetic products within the EU if present at 10 ppm or above in leave-on and 100 ppm or above in wash-off cosmetics. OBJECTIVE: To examine exposure, based on ingredient labelling, to the 26 fragrances in a sample of 5,588 fragranced cosmetic products...
August 10, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28796320/congenital-cutaneous-lymphadenoma
#15
Angel Fernandez-Flores, Ina Nicklaus-Wollenteit, Dharshini Sathishkumar, Vicky Diba, Bruce Richard, Richard Carr, Celia Moss, Anita Nagy, Malobi Ogboli, Isabel Colmenero
Cutaneous lymphadenoma is an uncommon benign neoplasm often considered to be an adamantinoid variant of trichoblastoma. Lesions present in both sexes, between 14 and 87 years of age, and are mainly located on the head and neck. Cases in children are rare and there is only one previous case of a congenital lymphadenoma. An 8-year-old Asian girl presented with a congenital lesion on her forehead comprising four pink papules, the largest 5 mm in diameter. Microscopy revealed a well circumscribed tumor within the dermis and subcutis comprising well demarcated epithelial lobules of basaloid and clear cells with subtle peripheral palisading, growing in a collagenous stroma but lacking retraction artefact...
August 10, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28795740/bromine-substitution-improves-excited-state-dynamics-in-mesoporous-mixed-halide-perovskite-films
#16
Eric M Talbert, Holly F Zarick, Abdelaziz Boulesbaa, Naiya Soetan, Alexander A Puretzky, David B Geohegan, Rizia Bardhan
In this study, ultrafast transient absorption spectroscopy (TAS) is utilized to examine the excited-state dynamics in methylammonium lead iodide/bromide (MAPb(I1-xBrx)3) perovskites as a function of bromide content. TAS spectral behavior reveals characteristic lifetimes for thermalization, recombination, and charge carrier injection of MAPb(I1-xBrx)3 from x = 0 to 0.3 infiltrated in mesoporous titania films. Carrier recombination and charge injection lifetimes demonstrated a discernable increase with Br content likely because high carrier populations are supported by the higher density of vacant electronic states in mixed-halide perovskites due to the increased capacity of the conduction band...
August 10, 2017: Nanoscale
https://www.readbyqxmd.com/read/28795600/the-weight-of-the-matter-a-new-material-feminist-account-of-thin-and-fat-oppressions
#17
Moss Edward Norman, Fiona J Moola
Critical feminist approaches to eating disorders and "obesity" have recently come under criticism for relying too heavily on textual- and image-based analyses of health, identity and body weight, shape, and size. In this article, we examine qualitative interviews with self-identified anorexic and "obese" women using a new material feminist lens-particularly the work of Karen Barad-to see what this perspective contributes to conceptualizations of weight-based oppressions. In addition to outlining how the material world actively participates in ongoing processes of oppression, we also highlight how the body presses back, offering up potentially less oppressive processes of materialization...
August 1, 2017: Health (London)
https://www.readbyqxmd.com/read/28794082/loss-of-function-kcne2-variants-true-monogenic-culprits-of-long-qt-syndrome-or-proarrhythmic-variants-requiring-secondary-provocation
#18
Jason D Roberts, Andrew D Krahn, Michael J Ackerman, Ram K Rohatgi, Arthur J Moss, Babak Nazer, Rafik Tadros, Brenda Gerull, Shubhayan Sanatani, Yanushi D Wijeyeratne, Alban-Elouen Baruteau, Alison R Muir, Benjamin Pang, Julia Cadrin-Tourigny, Mario Talajic, Lena Rivard, David J Tester, Taylor Liu, Isaac R Whitman, Julianne Wojciak, Susan Conacher, Lorne J Gula, Peter Leong-Sit, Jaimie Manlucu, Martin S Green, Robert Hamilton, Jeff S Healey, Coeli M Lopes, Elijah R Behr, Arthur A Wilde, Michael H Gollob, Melvin M Scheinman
BACKGROUND: Insight into type 6 long-QT syndrome (LQT6), stemming from mutations in the KCNE2-encoded voltage-gated channel β-subunit, is limited. We sought to further characterize its clinical phenotype. METHODS AND RESULTS: Individuals with reported pathogenic KCNE2 mutations identified during arrhythmia evaluation were collected from inherited arrhythmia clinics and the Rochester long-QT syndrome (LQTS) registry. Previously reported LQT6 cases were identified through a search of the MEDLINE database...
August 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28791139/global-biogeographic-patterns-in-bipolar-moss-species
#19
E M Biersma, J A Jackson, J Hyvönen, S Koskinen, K Linse, H Griffiths, P Convey
A bipolar disjunction is an extreme, yet common, biogeographic pattern in non-vascular plants, yet its underlying mechanisms (vicariance or long-distance dispersal), origin and timing remain poorly understood. Here, combining a large-scale population dataset and multiple dating analyses, we examine the biogeography of four bipolar Polytrichales mosses, common to the Holarctic (temperate and polar Northern Hemisphere regions) and the Antarctic region (Antarctic, sub-Antarctic, southern South America) and other Southern Hemisphere (SH) regions...
July 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28783804/increasing-public-health-awareness-of-and-capacity-for-arts-based-therapy-in-medicine
#20
Waqas Ullah Khan, Hilary Moss
No abstract text is available yet for this article.
August 7, 2017: JAMA Neurology
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