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https://www.readbyqxmd.com/read/28813673/multipotent-basal-stem-cells-maintained-in-localized-proximal-niches-support-directed-long-ranging-epithelial-flows-in-human-prostates
#1
Mohammad Moad, Edouard Hannezo, Simon J Buczacki, Laura Wilson, Amira El-Sherif, David Sims, Robert Pickard, Nicholas A Wright, Stuart C Williamson, Doug M Turnbull, Robert W Taylor, Laura Greaves, Craig N Robson, Benjamin D Simons, Rakesh Heer
Sporadic mitochondrial DNA mutations serve as clonal marks providing access to the identity and lineage potential of stem cells within human tissues. By combining quantitative clonal mapping with 3D reconstruction of adult human prostates, we show that multipotent basal stem cells, confined to discrete niches in juxta-urethral ducts, generate bipotent basal progenitors in directed epithelial migration streams. Basal progenitors are then dispersed throughout the entire glandular network, dividing and differentiating to replenish the loss of apoptotic luminal cells...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28813613/methacholine-challenge-comparison-of-airway-responsiveness-produced-by-a-vibrating-mesh-nebulizer-versus-a-jet-nebulizer
#2
Christianne M Blais, Donald W Cockcroft, Justine Veilleux, Marie-Ève Boulay, Louis-Philippe Boulet, Gail M Gauvreau, Tara X Scime, Richard M Watson, Paul M O'Byrne, Beth E Davis
BACKGROUND: The latest methacholine challenge testing (MCT) guidelines published by the European Respiratory Society recommend the characterization of nebulizers before their use in clinics and research. Such investigations are necessary for accurately determining the provocative dose of methacholine causing a 20% fall in FEV1 (PD20) delivered by a given device. The standard English Wright (Wright) jet nebulizer recommended in the 1999 guidelines by the American Thoracic Society has become difficult to obtain and possesses some characteristics that complicate the calculation of dose delivery from this device (e...
August 16, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28813486/differentiating-between-subtypes-of-primary-progressive-aphasia-and-mild-cognitive-impairment-on-a-modified-version-of-the-frontal-behavioral-inventory
#3
Donna C Tippett, Carol B Thompson, Cornelia Demsky, Rajani Sebastian, Amy Wright, Argye E Hillis
Behavioral assessment has been investigated in frontotemporal lobar degeneration and Alzheimer's disease, but has not been explored extensively in subtypes of primary progressive aphasia (PPA). We explored the ability of a modified version of the Frontal Behavioral Inventory (FBI-mod) to discriminate between patients with distinct subtypes of PPA and patients with mild cognitive impairment (MCI). We hypothesized that individuals with nonfluent agrammatic PPA (nfaPPA) would have higher negative behavior scores than other groups and that individuals with semantic variant PPA (svPPA) would have higher disinhibition scores than other groups...
2017: PloS One
https://www.readbyqxmd.com/read/28813353/motor-cognition-and-neuroscience-in-sport-psychology
#4
REVIEW
Paul S Holmes, David J Wright
Advances in technology have allowed research in cognitive neuroscience to contribute significantly to the discipline of sport psychology. In most cases, the research has become more rigorous and has directed current thinking on the mechanisms subserving a number of psychological theories and models of practice. Currently, the three most common neuroscience techniques informing sport and exercise research are electroencephalography, transcranial magnetic stimulation and functional magnetic resonance imaging...
August 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813123/pharmacotherapy-for-hypertension-in-adults-aged-18-to-59-years
#5
REVIEW
Vijaya M Musini, Francois Gueyffier, Lorri Puil, Douglas M Salzwedel, James M Wright
BACKGROUND: Hypertension is an important risk factor for adverse cardiovascular events including stroke, myocardial infarction, heart failure and renal failure. The main goal of treatment is to reduce these events. Systematic reviews have shown proven benefit of antihypertensive drug therapy in reducing cardiovascular morbidity and mortality but most of the evidence is in people 60 years of age and older. We wanted to know what the effects of therapy are in people 18 to 59 years of age...
August 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28812432/addressing-compassion-fatigue-and-stress-of-special-education-teachers-and-professional-staff-using-mindfulness-and-prayer
#6
Lori M Sharp Donahoo, Beverly Siegrist, Dawn Garrett-Wright
Alternative therapies are promising nursing interventions for improvement of compassion fatigue in educators working in special education. A convenience sample of 27 teachers and professional staff working in special education participated in a quasi-experimental pilot study and completed a pre/posttest of demographic questions, the Perceived Stress Scale (PSS) (10-item) and Professional Quality of Life (ProQOL). All attended a presentation on stress, compassion satisfaction (CS), mindfulness, prayer, and social support...
January 1, 2017: Journal of School Nursing: the Official Publication of the National Association of School Nurses
https://www.readbyqxmd.com/read/28811660/transcription-factor-znf148-is-a-negative-regulator-of-human-muscle-differentiation
#7
Jesse Bakke, William C Wright, Anthony E Zamora, Su Sien Ong, Yue-Ming Wang, Jessica D Hoyer, Christopher T Brewer, Paul G Thomas, Taosheng Chen
Muscle differentiation is a complex process in which muscle progenitor cells undergo determination and eventually cellular fusion. This process is heavily regulated by such master transcription factors as MYOD and members of the MEF2 family. Here, we show that the transcription factor ZNF148 plays a direct role in human muscle cell differentiation. Downregulation of ZNF148 drives the formation of a muscle phenotype with rapid expression of myosin heavy chain, even in proliferative conditions. This phenotype was most likely mediated by the robust and swift upregulation of MYOD and MEF2C...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811388/hill-robertson-interference-reduces-genetic-diversity-on-a-young-plant-y-chromosome
#8
Josh Hough, Wei Wang, Spencer C H Barrett, Stephen I Wright
X and Y chromosomes differ in effective population size (Ne ), rates of recombination, and exposure to natural selection, all of which can affect patterns of genetic diversity. On Y chromosomes with suppressed recombination, natural selection is expected to eliminate linked neutral variation and lower the Ne of Y compared to X chromosomes or autosomes. However, female-biased sex ratios and high variance in male reproductive success can also reduce Y-linked Ne , making it difficult to infer the causes of low Y-diversity...
August 15, 2017: Genetics
https://www.readbyqxmd.com/read/28811082/correlation-between-molecular-analysis-diagnosis-according-to-the-2015-who-classification-of-unresected-lung-tumours-and-ttf1-expression-in-small-biopsies-and-cytology-specimens-from-344-non-small-cell-lung-carcinoma-patients
#9
Prudence A Russell, Toni-Maree Rogers, Benjamin Solomon, Naveed Alam, Stephen A Barnett, Vivek Rathi, Richard A Williams, Gavin M Wright, Matthew Conron
We investigated correlations between diagnosis according to the 2015 World Health Organization (WHO) classification of unresected lung tumours, molecular analysis and TTF1 expression in small biopsy and cytology specimens from 344 non-small cell lung carcinoma (NSCLC) patients. One case failed testing for EGFR, KRAS and ALK abnormalities and six had insufficient tumour for ALK testing. Overall mutation rate in 343 cases was 48% for the genes tested, with 19% EGFR, 33% KRAS and 4% BRAF mutations, and 5% ALK rearrangements detected...
August 12, 2017: Pathology
https://www.readbyqxmd.com/read/28810247/physical-inactivity-predicts-slow-gait-speed-in-an-elderly-multi-ethnic-cohort-study-the-northern-manhattan-study
#10
Joshua Z Willey, Yeseon P Moon, Erin R Kulick, Ying Kuen Cheung, Clinton B Wright, Ralph L Sacco, Mitchell S V Elkind
INTRODUCTION: Gait speed is associated with multiple adverse outcomes of aging. We hypothesized that physical inactivity would be prospectively inversely associated with gait speed independently of white matter hyperintensity volume and silent brain infarcts on MRI. METHODS: Participants in the Northern Manhattan Study MRI sub-study had physical activity assessed when they were enrolled into the study. A mean of 5 years after the MRI, participants had gait speed measured via a timed 5-meter walk test...
August 16, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28809586/the-nursing-quality-indicator-framework-tool
#11
Dawn Connolly, Fiona Wright
Purpose The purpose of this paper is to develop a nursing quality indicator (NQI) framework and provide a comprehensive reporting mechanism for nursing care. Design/methodology/approach Mixed method, including patient records audit, patient experience questionnaire, nurse self-report questionnaire and collecting ward-level information. The sample was 53 patients and 22 nurses. Findings Outputs from the NQI framework domains offer a more comprehensive understanding of nursing quality compared to when domains are analysed separately...
August 14, 2017: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/28809116/organoimido-polyoxometalate-nonlinear-optical-chromophores-a-structural-spectroscopic-and-computational-study
#12
Ahmed Al-Yasari, Nick Van Steerteghem, Hayleigh Kearns, Hani El Moll, Karen Faulds, Joseph A Wright, Bruce S Brunschwig, Koen Clays, John Fielden
Ten organoimido polyoxometalate (POM)-based chromophores have been synthesized and studied by hyper-Rayleigh scattering (HRS), Stark and Resonance Raman spectroscopies, and density functional theory (DFT) calculations. HRS β0 values for chromophores with resonance electron donors are significant (up to 139 × 10(-30) esu, ∼5 times greater than that of the DAS(+) cation), but systems with no donor, or the -NO2 acceptor show no activity, in some cases, despite large DFT-predicted β-values. In active systems with short (phenyl) π-bridges, β0 values comfortably exceed that of the purely organic structural analogue N,N-dimethyl-4-nitroaniline (DMPNA), and intrinsic β-values, β0/N(3/2) (where N is the number of bridge π-electrons) thus appear to break empirical performance limits (β0/N(3/2) vs λmax) for planar organic systems...
August 15, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28808167/author-response-hyperbaric-oxygen-b-level-evidence-in-mild-traumatic-brain-injury-clinical-trials
#13
Xavier A Figueroa, James K Wright
No abstract text is available yet for this article.
August 15, 2017: Neurology
https://www.readbyqxmd.com/read/28807599/relationship-of-the-patient-specific-functional-scale-to-commonly-used-clinical-measures-in-hand-osteoarthritis
#14
Heidi Hermann Wright, Virginia O'Brien, Kristin Valdes, Barbra Koczan, Joy MacDermid, Elizabeth Moore, Margaret A Finley
STUDY DESIGN: Prospective cohort correlation study. INTRODUCTION: There is no known published research on correlations between the Patient-Specific Functional Scale (PSFS), hand grip strength, and the Disability of the Arm, Shoulder and Hand (DASH) in a population with hand osteoarthritis (OA). PURPOSE: The purpose of this study is to establish reliability of the PSFS and to evaluate the relationship between the PSFS, hand grip strength, and the DASH for a population with hand OA...
August 11, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28806309/single-center-experience-of-over-a-hundred-implantations-of-a-transcutaneous-bone-conduction-device
#15
Panagiotis A Dimitriadis, Daniel Hind, Kay Wright, Vicki Proctor, Larissa Greenwood, Suzanne Carrick, Jaydip Ray
OBJECTIVE: To assess outcomes with a novel passive transcutaneous bone conduction device (t-BCD). STUDY DESIGN: Prospective data collection and patient review. SETTING: Tertiary referral center. PATIENTS: Patients who underwent implantation with the t-BCD between November 2013 and September 2016. INTERVENTION: Implantation of BAHA Attract. MAIN OUTCOME MEASURES: Surgical outcome, patient reported outcomes including the "Glasgow Benefit Inventory" and the "Client Oriented Scale of Improvement" for adults and the "Speech, Spatial and Qualities of Hearing scale" (SSQ-12) for children...
August 10, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28805901/effect-of-stocking-density-on-performance-diet-selection-total-tract-digestion-and-nitrogen-balance-among-heifers-grazing-cool-season-annual-forages
#16
B R Brunsvig, A J Smart, E A Bailey, C L Wright, E E Grings, D W Brake
Grazing annual cool-season forages after oat grain harvest in South Dakota may allow an opportunity to increase efficient use of tillable land. However, data are limited regarding effects of stocking density on diet selection, nutrient digestion, performance, and N retention by cattle grazing annual cool-season forage. Heifers were blocked by initial BW (261 ± 11.7 kg) and randomly assigned to 1 of 12 paddocks (1.1 ha) to graze a mixture of grass and brassica for 48 d. Each paddock contained 3, 4, or 5 heifers to achieve 4 replicates of each stocking density treatment...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805774/-laparoscopic-assisted-harvesting-of-omental-flap-in-chest-wall-reconstruction-for-deep-sternal-wound-infection
#17
A A Pechetov, Yu S Esakov, M A Makov, D E Okonskaya, A V Basylyuk, T N Khlan
AIM: To present an experience of laparoscopic-assisted harvesting of omental flap in chest wall reconstruction for deep sternal wound infection. MATERIAL AND METHODS: It was made a prospective analysis of 14 patients aged 39-85 years after laparoscopic-assisted harvesting of omental flap in chest wall reconstruction for the period December 2014 - November 2016. Men/women ratio was 10/4. All patients had deep sternal wound infection grade IV (Oakley-Wright classification)...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28805176/estimating-the-risk-of-invasive-group-a-streptococcus-infection-in-care-home-residents-in-england-2009-2010
#18
M Saavedra-Campos, B Simone, S Balasegaram, A Wright, M Usdin, T Lamagni
Invasive group A streptococcal (iGAS) infections cause severe disease and death, especially in residents of long-term care facilities (LTCFs). In order to inform iGAS prevention, we compared the risk of iGAS in LTCF residents and community residents. We identified LTCF residents among cases of iGAS from national surveillance (2009-2010) using postcode matching, and cases of hospital-acquired infections via hospital admission records. We used Poisson regression to calculate incidence rate ratios (IRR) and logistic regression to explore factors associated with case fatality rate (CFR)...
August 14, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28804259/multi-fractal-characterization-of-bacterial-swimming-dynamics-a-case-study-on-real-and-simulated-serratia-marcescens
#19
Hana Koorehdavoudi, Paul Bogdan, Guopeng Wei, Radu Marculescu, Jiang Zhuang, Rika Wright Carlsen, Metin Sitti
To add to the current state of knowledge about bacterial swimming dynamics, in this paper, we study the fractal swimming dynamics of populations of Serratia marcescens bacteria both in vitro and in silico, while accounting for realistic conditions like volume exclusion, chemical interactions, obstacles and distribution of chemoattractant in the environment. While previous research has shown that bacterial motion is non-ergodic, we demonstrate that, besides the non-ergodicity, the bacterial swimming dynamics is multi-fractal in nature...
July 2017: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28803876/distasteful-nectar-deters-floral-robbery
#20
Sarah E Barlow, Geraldine A Wright, Carolyn Ma, Marta Barberis, Iain W Farrell, Emily C Marr, Alice Brankin, Bruce M Pavlik, Philip C Stevenson
Toxic nectar is an ecological paradox [1, 2]. Plants divert substantial resources to produce nectar that attracts pollinators [3], but toxins in this reward could disrupt the mutualism and reduce plant fitness [4]. Alternatively, such compounds could protect nectar from robbers [2], provided that they do not significantly alter pollinator visitation to the detriment of plant fitness [1, 5-8]. Indeed, very few studies have investigated the role of plant toxins in nectar for defense against nectar robbers [4, 9, 10]...
August 7, 2017: Current Biology: CB
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