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https://www.readbyqxmd.com/read/28637341/assessment-of-workers-exposure-to-grain-dust-and-bioaerosols-during-the-loading-of-vessels-hold-an-example-at-a-port-in-the-province-of-qu%C3%A3-bec
#1
Geneviève Marchand, Marie Gardette, Kiet Nguyen, Valérie Amano, Eve Neesham-Grenon, Maximilien Debia
Longshoremen are exposed to large amounts of grain dust while loading of grain into the holds of vessels. Grain dust inhalation has been linked to respiratory diseases such as chronic bronchitis, hypersensitivity, pneumonitis, and toxic pneumonitis. Our objective was to characterize the exposure of longshoremen to inhalable and total dust, endotoxins, and cultivable bacteria and fungi during the loading of grain in a vessel's hold at the Port of Montreal in order to assess the potential health risks. Sampling campaigns were conducted during the loading of two different types of grain (wheat and corn)...
June 15, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28637340/an-analysis-of-the-use-of-multichannel-microelectrode-recording-during-deep-brain-stimulation-surgeries-at-a-single-center
#2
Steven Falowski, James Dierkes
BACKGROUND: Microelectrode recording (MER) can be used to map out the target nucleus and identify ideal lead placement. OBJECTIVE: To assess the use of multichannel MER to increase the efficiency of lead placement without compromising patient safety. METHODS: Analysis of a single center's technique for utilizing multichannel MER with 3 consistent anterior-to-posterior simultaneous passes that include an evaluation of the location of final lead placement, patient diagnosis, target nuclei, and additional work involved for refinement of targeting...
June 14, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28637319/matrix-metalloproteinases-their-functional-role-in-lung-cancer
#3
Neha Merchant, Ganji Purnachandra Nagaraju, Balney Rajitha, Saipriya Lammata, Kishore Kumar Jella, Zachary S Buchwald, Sajani S Lakka, Arif N Ali
Lung malignancy is the foremost cause of cancer-related deaths globally and is frequently related to long-term tobacco smoking. Recent studies reveal that the expression of matrix metalloproteinases (MMPs) is extremely high in lung tumors compared to non-malignant lung tissue. MMPs are zinc-dependent proteases and are involved in the degradation of extracellular matrix (ECM). Several investigations have shown that MMPs manipulate the activity of non-ECM molecules, including cytokines, growth factors and receptors which control the tumor microenvironment...
June 16, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28637312/the-provision-of-healthcare-to-young-and-dependent-children-the-principles-concepts-and-utility-of-the-children-act-1989
#4
Jo Bridgeman
This article undertakes a thorough analysis of the case law concerned with the provision of healthcare to young and dependent children. It demonstrates how, despite the procedural changes introduced by the Children Act 1989 at an early stage in this body of case law, cases have continued to be brought to court by way of applications for the court to exercise its inherent jurisdiction or in wardship rather than using the orders introduced by the Act. In determining these cases, the court is focused upon its protective duty to the vulnerable but proceedings appear to be adversarial contests between the claims of adults to know what is best for the child in which the medical view normally prevails...
June 14, 2017: Medical Law Review
https://www.readbyqxmd.com/read/28637307/sparing-carbapenem-usage
#5
A Peter R Wilson
Background: Carbapenem resistance in Gram-negative bacteria is increasing in many countries and use of carbapenems and antibiotics to which resistance is linked should be reduced to slow its emergence. There are no directly equivalent antibiotics and the alternatives are less well supported by clinical trials. The few new agents are expensive. Objectives: To provide guidance on strategies to reduce carbapenem usage. Methods: A literature review was performed as described in the BSAC/HIS/BIA/IPS Joint Working Party on Multiresistant Gram-negative Infection Report...
June 15, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28637297/a-role-for-progesterone-regulated-sfrp4-expression-in-uterine-leiomyomas
#6
Meaghan A Delaney, Ying-Wooi Wan, Gyoung-Eun Kim, Chad J Creighton, Margaret G Taylor, Ramya Masand, Andrew Park, Cecilia Valdes, William Gibbons, Zhandong Liu, Matthew L Anderson
Context: Despite progesterone's key role in uterine smooth muscle tumorigenesis, the mechanisms by which it promotes the growth of uterine leiomyomas remain poorly understood. Objective: The aim of this study was to identify novel gene products mediating progesterone's effects in uterine leiomyomas. Design: Gene expression profiling was used to identify putative progesterone-regulated genes differentially expressed in uterine leiomyomas, which were then studied in vitro...
June 14, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28637290/a-bright-side-to-the-work-family-interface-husbands-support-as-a-resource-in-double-and-triple-duty-caregiving-wives-work-lives
#7
Nicole DePasquale, Courtney A Polenick, Kelly D Davis, Lisa F Berkman, Thomas D Cabot
Purpose of the Study: This study examined how women who combine long-term care employment with unpaid, informal caregiving roles for children (double-duty-child caregivers), older adults (double-duty-elder caregivers), and both children and older adults (triple-duty caregivers) differed from their workplace-only caregiving counterparts on workplace factors related to job retention (i.e., job satisfaction and turnover intentions) and performance (i.e., perceived obligation to work while sick and emotional exhaustion)...
June 16, 2017: Gerontologist
https://www.readbyqxmd.com/read/28637285/a-qualitative-study-of-the-impact-of-endometriosis-on-male-partners
#8
L Culley, C Law, N Hudson, H Mitchell, E Denny, N Raine-Fenning
STUDY QUESTION: What is the impact of endometrioses on male partners of women with the condition? SUMMARY ANSWER: Endometriosis significantly impacts men across several life domains and can negatively impact emotional well-being. WHAT IS KNOWN ALREADY: Endometriosis has been shown to negatively impact women's quality of life and may strain intimate relationships. Little is known about the impact on male partners. STUDY DESIGN, SIZE, DURATION: The ENDOPART study was a cross-sectional, qualitative study of 22 women with endometriosis and their male partners (n = 44) in the UK (2012-2013)...
June 15, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28637279/high-dimensional-multivariate-mediation-with-application-to-neuroimaging-data
#9
Oliver Y Chén, Ciprian Crainiceanu, Elizabeth L Ogburn, Brian S Caffo, Tor D Wager, Martin A Lindquist
Mediation analysis is an important tool in the behavioral sciences for investigating the role of intermediate variables that lie in the path between a treatment and an outcome variable. The influence of the intermediate variable on the outcome is often explored using a linear structural equation model (LSEM), with model coefficients interpreted as possible effects. While there has been significant research on the topic, little work has been done when the intermediate variable (mediator) is a high-dimensional vector...
June 15, 2017: Biostatistics
https://www.readbyqxmd.com/read/28637266/family-caregivers-of-older-adults-1999-2015-trends-in-characteristics-circumstances-and-role-related-appraisal
#10
Jennifer L Wolff, John Mulcahy, Jin Huang, David L Roth, Kenneth Covinsky, Judith D Kasper
Purpose of Study: To assess trends in family caregiving between 1999 and 2015. Design and Methods: We construct nationally representative profiles of community-dwelling older adults receiving help with self-care or indoor mobility and their "primary" family or unpaid caregiver using the 1999 and 2004 National Long Term Care Survey, 2011 and 2015 National Health and Aging Trends Study, and linked caregiver surveys. Trends are examined. Results: Older adults receiving help were incrementally younger, more racially diverse, and better educated in 2015...
June 16, 2017: Gerontologist
https://www.readbyqxmd.com/read/28637262/qualitative-exploration-of-a-smoking-cessation-trial-for-people-living-with-hiv-in-south-africa
#11
Nandita Krishnan, Joel Gittelsohn, Alexandra Ross, Jessica Elf, Sandy Chon, Raymond Niaura, Neil Martinson, Jonathan E Golub
Introduction: In South Africa, people living with HIV (PLWH) have a high prevalence of smoking, which undermines the beneficial effects of antiretroviral therapy (ART). However, little is known about barriers to smoking cessation and what interventions work for PLWH in this setting. Methods: A randomized trial comparing intensive anti-smoking counseling versus counseling and nicotine replacement therapy (NRT) was recently concluded in Klerksdorp, South Africa. In a post-trial follow-up, 23 in-depth interviews with patients and one focus group discussion with counselors from the trial were conducted...
June 16, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28637240/tfeb-activation-restores-migration-ability-to-tsc1-deficient-adult-neural-stem-progenitor-cells
#12
Alessandro Magini, Alice Polchi, Danila Di Meo, Giuseppina Mariucci, Krizia Sagini, Federico De Marco, Tommaso Cassano, Stefano Giovagnoli, Diego Dolcetta, Carla Emiliani
Tuberous sclerosis complex (TSC) is an autosomal dominant genetic disorder caused by mutations in either of two genes, TSC1 or TSC2, resulting in the constitutive activation of the mammalian target of rapamycin complex 1 (mTORC1). mTOR inhibitors are now considered the treatment of choice for TSC disease. A major pathological feature of TSC is the development of subependymal giant cell astrocytomas (SEGAs) in the brain. Nowadays, it is thought that SEGAs could be a consequence of aberrant aggregation and migration of neural stem/progenitor cells (NSPCs)...
June 14, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28637236/the-ribosome-assembly-gene-network-is-controlled-by-the-feedback-regulation-of-transcription-elongation
#13
Fernando Gómez-Herreros, Thanasis Margaritis, Olga Rodríguez-Galán, Vicent Pelechano, Victoria Begley, Gonzalo Millán-Zambrano, Macarena Morillo-Huesca, Mari Cruz Muñoz-Centeno, José E Pérez-Ortín, Jesús de la Cruz, Frank C P Holstege, Sebastián Chávez
Ribosome assembly requires the concerted expression of hundreds of genes, which are transcribed by all three nuclear RNA polymerases. Transcription elongation involves dynamic interactions between RNA polymerases and chromatin. We performed a synthetic lethal screening in Saccharomyces cerevisiae with a conditional allele of SPT6, which encodes one of the factors that facilitates this process. Some of these synthetic mutants corresponded to factors that facilitate pre-rRNA processing and ribosome biogenesis...
June 15, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28637233/identification-of-exosomal-muscle-specific-mirnas-in-serum-of-myotonic-dystrophy-patients-relating-to-muscle-disease-progress
#14
Andrie Koutsoulidou, Marinos Photiades, Tassos C Kyriakides, Kristia Georgiou, Marianna Prokopi, Konstantinos Kapnisis, Anna Lusakowska, Marianna Nearchou, Yiolanda Christou, George K Papadimas, Andreas Anayiotos, Kyriakos Kyriakou, Evangelia Kararizou, Eleni Zamba Papanicolaou, Leonidas A Phylactou
Myotonic dystrophy type 1 (DM1) is the most common form of adult-onset muscular dystrophy, which is characterised by progressive muscle wasting and the discovery of reliable blood-based biomarkers could be useful for the disease progress monitoring. There have been some reports showing that the presence of specific miRNAs in blood correlate with DM1. In one of these, our group identified four muscle-specific miRNAs, miR-1, miR-133a, miR-133b and miR-206, which correlated with the progression of muscle wasting observed in DM1 patients...
June 16, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28637221/digital-direct-detection-of-micrornas-using-single-molecule-arrays
#15
Limor Cohen, Mark R Hartman, Aaron Amardey-Wellington, David R Walt
MicroRNAs (miRNAs) are involved in many biological pathways, and detecting miRNAs accurately is critical for diagnosing a variety of diseases including cancer. However, most current methods for miRNA detection require lengthy sample preparation and amplification steps that can bias the results. In addition, lack of specificity and reproducibility give rise to various challenges in detection of circulating miRNAs in biological samples. In this work, we applied the Single Molecule Array (Simoa) technique to develop an ultra-sensitive sandwich assay for direct detection of multiple miRNAs without pre-amplification...
June 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28637200/an-emerging-theoretical-model-of-music-therapy-student-development
#16
Abbey L Dvorak, Eugenia Hernandez-Ruiz, Sekyung Jang, Borin Kim, Megan Joseph, Kori E Wells
Background: Music therapy students negotiate a complex relationship with music and its use in clinical work throughout their education and training. This distinct, pervasive, and evolving relationship suggests a developmental process unique to music therapy. Objective: The purpose of this grounded theory study was to create a theoretical model of music therapy students' developmental process, beginning with a study within one large Midwestern university. Methods: Participants (N = 15) were music therapy students who completed one 60-minute intensive interview, followed by a 20-minute member check meeting...
June 20, 2017: Journal of Music Therapy
https://www.readbyqxmd.com/read/28637194/high-iron-supply-inhibits-the-synthesis-of-the-genotoxin-colibactin-by-pathogenic-escherichia-coli-through-a-non-canonical-fur-ryhb-mediated-pathway
#17
Sophie Tronnet, Christophe Garcie, Alexander O Brachmann, Jörn Piel, Eric Oswald, Patricia Martin
The genotoxin colibactin is a secondary metabolite produced by a variety of pathogenic Enterobacteria, and is associated with colon cancer development and acute systemic infections. The colibactin biosynthesis requires the enzymatic activity of the phosphopantetheinyl transferase ClbA. We recently evidenced that two master regulators of bacterial iron homeostasis, i.e. the ferric uptake regulator (Fur) and the small regulatory non-coding RNA RyhB, were involved in the regulation of the clbA transcription and of the colibactin production...
June 20, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28637192/an-explorative-study-examining-augmentative-and-alternative-communication-training-in-the-field-of-music-therapy
#18
Anita L Gadberry, Alison Sweeney
Background: Music therapists work with many people who require Augmentative and Alternative Communication (AAC). As communication goals are central to music therapy practice, many music therapists would benefit from training in AAC. Objective: The purpose of this survey study was to determine the state of AAC education for music therapists at the university level, how AAC is being used in music therapy sessions, and how practicing music therapists are trained in AAC...
June 20, 2017: Journal of Music Therapy
https://www.readbyqxmd.com/read/28637156/the-sink-or-swim-hypothesis-a-roadmap-from-pathology-to-work-instability
#19
Bilal Akter Mateen, Catherine Doogan, Kate Hayward, Susan Hourihan, Joanne Hurford, E Diane Playford
PURPOSE: Selecting the most appropriate health-related work outcome to evaluate an intervention can be fraught with difficulty. To aid clinicians in navigating this problem we have developed a model, which illustrates how pathology can affect specific measureable quantities, such as work instability. METHODS: Using a modified-Delphi procedure, a panel of experts met initially to analyze the content of 95 health-related work outcome measures and organize the identified areas of measurement into a coherent model, complemented by a narrative review of the literature...
March 3, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637152/how-physical-therapists-instruct-patients-with-stroke-an-observational-study-on-attentional-focus-during-gait-rehabilitation-after-stroke
#20
Elmar Kal, Henrieke van den Brink, Han Houdijk, John van der Kamp, Paulien Helena Goossens, Coen van Bennekom, Erik Scherder
PURPOSE: People without neurological impairments show superior motor learning when they focus on movement effects (external focus) rather than on movement execution itself (internal focus). Despite its potential for neurorehabilitation, it remains unclear to what extent external focus strategies are currently incorporated in rehabilitation post-stroke. Therefore, we observed how physical therapists use attentional focus when treating gait of rehabilitating patients with stroke. METHODS: Twenty physical therapist-patient couples from six rehabilitation centers participated...
February 24, 2017: Disability and Rehabilitation
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