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https://www.readbyqxmd.com/read/28938749/the-testicular-transcriptome-associated-with-spermatogonia-differentiation-initiated-by-gonadotrophin-stimulation-in-the-juvenile-rhesus-monkey-macaca-mulatta
#1
Suresh Ramaswamy, William H Walker, Paula Aliberti, Rahil Sethi, Gary R Marshall, Alyxzandria Smith, Seyedmehdi Nourashrafeddin, Alicia Belgorosky, Uma R Chandran, Mark P Hedger, Tony M Plant
STUDY QUESTION: What is the genetic landscape within the testis of the juvenile rhesus monkey (Macaca mulatta) that underlies the decision of undifferentiated spermatogonia to commit to a pathway of differentiation when puberty is induced prematurely by exogenous LH and FSH stimulation? SUMMARY ANSWER: Forty-eight hours of gonadotrophin stimulation of the juvenile monkey testis resulted in the appearance of differentiating B spermatogonia and the emergence of 1362 up-regulated and 225 down-regulated testicular mRNAs encoding a complex network of proteins ranging from enzymes regulating Leydig cell steroidogenesis to membrane receptors, and from juxtacrine and paracrine factors to transcriptional factors governing spermatogonial stem cell fate...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938682/mental-health-of-the-old-and-new-generation-migrant-workers-in-china-who-are-at-greater-risk-for-psychological-distress
#2
Bao-Liang Zhong, Sandra S M Chan, Tie-Bang Liu, Dong Jin, Chi-Yi Hu, Helen F K Chiu
Rural-to-urban migrant workers (MWs) are a large vulnerable population in China and, recently, the new-generation MWs (those born in 1980 or later) have become the majority of this population. Examining difference in the epidemiology of poor mental health between the new- and old-generation (those born before 1980) MWs would facilitate mental health promotion efforts. However, very few related studies are available and they produced conflicting findings. This study investigated intergenerational difference in prevalence and correlates of psychological distress (PD) in MWs...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938102/self-management-support-at-the-end-of-life-patients-carers-and-professionals-perspectives-on-managing-medicines
#3
N Campling, A Richardson, M Mulvey, M Bennett, B Johnston, S Latter
BACKGROUND: Pain is a frequently reported symptom by patients approaching the end of life and well-established that patients and carers hold fears relating to opioids, and experience side effects related to their use. The management of medicines is intrinsic to achieving effective pain relief. The concept of self-management support whilst well characterised in the context of chronic illness has not been elaborated with respect to end of life care. AIM: To identify patient, carer and professional views on the concept of self-management support at end of life, specifically in relation to analgesia and related medicines (for side-effect management) in order to describe, characterise and explain self-management support in this context...
September 6, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28937932/health-and-safety-in-organic-farming-a-qualitative-study
#4
Francisco Soto Mas, Alexis J Handal, Rose E Rohrer, Eric Tomalá Viteri
OBJECTIVE: To explore health and safety issues in organic farming, specifically among small farmers in central New Mexico. METHODS: Participants included 10 certified organic producers and 20 workers. Data were collected through semi-structured interviews and observations. RESULTS: The sample consisted of a young, educated, low experienced population which may differ from conventional farmers. Both producers and workers seemed to be aware of the health risks involved with small-scale farming...
September 22, 2017: Journal of Agromedicine
https://www.readbyqxmd.com/read/28937512/obstetricians-and-gynecologists-of-the-future-a-survey-of-medical-students-applying-to-residency
#5
Meredith J Alston, Amy Meg Autry, Sarah A Wagner, Abigail Winkel, Amanda A Allshouse, Alyssa Stephenson-Famy
OBJECTIVE: To understand the characteristics and career goals of medical students selecting a career in obstetrics and gynecology. METHODS: In 2015-2016, medical students invited for interviews for obstetrics and gynecology residency at the University of Colorado, University of Washington, University of California San Francisco, Loyola University, and New York University received a voluntary 20-item electronic survey regarding factors influencing their choice of medical specialty...
October 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28937469/outcome-of-a-resident-spine-surgical-skills-training-program
#6
Brian P Calio, Christopher K Kepler, John D Koerner, Jeffrey A Rihn, Paul Millhouse, Kris E Radcliff
STUDY DESIGN: Cadaver training lab. OBJECTIVE: To determine if a technical cadaver skills training lab for spinal surgery increases resident confidence, satisfaction in training, and perception of operating room safety. SUMMARY OF BACKGROUND DATA: Resident training is an important topic in the setting of work hour reform. The use of supplemental materials such as videos, sawbones, and simulators may become important to adequately train orthopedic residents...
October 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28937221/in-vivo-dissolution-and-systemic-absorption-of-immediate-release-ibuprofen-in-human-gastrointestinal-tract-under-fed-and-fasted-conditions
#7
Duxin Sun, Jason R Baker, Bo Wen, Ann Frances, Huixia Zhang, Alex Yu, Ting Zhao, Yasuhiro Tsume, Manjunath Pai, Barry Bleske, Xinyuan Zhang, R Lionberger, Allen Lee, Gordon Amidon, William L Hasler, Mark Koenigsknecht
PURPOSE: In vivo drug dissolution in the gastrointestinal (GI) tract is largely unmeasured. The purpose of this clinical study was to evaluate the in vivo drug dissolution and systemic absorption of the BCS Class IIa drug ibuprofen under fed and fasted conditions by direct sampling of stomach and small intestinal luminal content. Expanding current knowledge of drug dissolution in vivo will help to establish physiologically relevant in vitro models predictive of drug dissolution. METHODS: A multi-lumen GI catheter was orally inserted into the GI tract of healthy human subjects...
September 22, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28936519/a-simple-way-to-achieve-bioinspired-hybrid-wettability-surface-with-micro-nanopatterns-for-efficient-fog-collection
#8
Kai Yin, Haifeng Du, Xinran Dong, Cong Wang, Ji-An Duan, Jun He
Fog collection is receiving increasing attention for providing water in semi-arid deserts and inland areas. Inspired by the fog harvesting ability of the hydrophobic-hydrophilic surface of Namib desert beetles, we present a simple, low-cost method to prepare a hybrid superhydrophobic-hydrophilic surface. The surface contains micro/nanopatterns, and is prepared by incorporating femtosecond-laser fabricated polytetrafluoroethylene nanoparticles deposited on superhydrophobic copper mesh with a pristine hydrophilic copper sheet...
September 22, 2017: Nanoscale
https://www.readbyqxmd.com/read/28934807/development-of-report-turnaround-times-in-a-university-department-of-radiology-during-implementation-of-a-reformed-curriculum-for-undergraduate-medical-education
#9
Liane Albrecht, Martin H Maurer, Tim Seithe, Joachim Braun, Richard Gummert, Jonas Auer, Keno Sponheuer, Tobias Philipp Meyl, Bernd Hamm, Maximilian de Bucourt
Purpose The implementation of a reformed curriculum for undergraduate medical education with a problem-oriented focus and more bedside teaching in small groups increases the academic teaching workload. The aim of this study was to investigate whether this increase in teaching duties is associated with an increase in report turnaround times of radiologists or increased unplanned absence during term times compared with term breaks (lecture-free periods) and over the whole period under investigation. Materials and Methods The database of all radiological examinations performed at a large German university hospital was retrospectively analyzed for a two-year period from the winter term 2011/12 to the summer term 2013...
September 21, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28933934/emergency-medical-service-personnel-s-risk-from-violence-while-serving-the-community
#10
Brian J Maguire, Barbara J O'Neill
OBJECTIVES: To determine the risks of violence-related injury among emergency medical services (EMS) personnel in the United States. METHODS: We analyzed 1630 violence-related occupational injury cases reported to the US Bureau of Labor Statistics for the years 2012 to 2015 and conducted secondary searches within the Bureau of Labor Statistics Web site. RESULTS: The number of cases per year varied between 250 and 560. Perpetrators included patients (77%) and coworkers (8%)...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933675/using-the-concept-of-hubots-to-understand-the-work-entailed-in-using-digital-technologies-in-healthcare
#11
Catherine Pope, Joanne Turnbull
Purpose The purpose of this paper is to explore the human work entailed in the deployment of digital health care technology. It draws on imagined configurations of computers and machines in fiction and social science to think about the relationship between technology and people, and why this makes implementation of digital technology so difficult. The term hubots is employed as a metaphorical device to examine how machines and humans come together to do the work of healthcare. Design/methodology/approach This paper uses the fictional depiction of hubots to reconceptualise the deployment of a particular technology - a computer decision support system (CDSS) used in emergency and urgent care services...
August 21, 2017: Journal of Health Organization and Management
https://www.readbyqxmd.com/read/28933565/sleep-duration-nightshift-work-and-the-timing-of-meals-and-urinary-levels-of-8-isoprostane-and-6-sulfatoxymelatonin-in-japanese-women
#12
Chisato Nagata, Takashi Tamura, Keiko Wada, Kie Konishi, Yuko Goto, Yasuko Nagao, Kazuhiro Ishihara, Satoru Yamamoto
It has been hypothesized that disruption of circadian rhythms affects human health. Shift work and sleep deprivation are thought to disrupt the normal light-dark cycle, although the disruption due to shiftwork may be dependent on sleep deprivation. Both conditions have been suggested to be associated with an increased risk of cardiometabolic disorders. Non-photic environmental factors, such as the timing of eating, are also thought to regulate circadian rhythm and thus, may have effects on health, but the evidence from human studies is scarce...
September 21, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28933531/room-temperature-activation-of-ingazno-thin-film-transistors-via-he-irradiation
#13
Michael G Stanford, Joo Hyon Noh, Kyle Mahady, Anton V Ievlev, Petro Maksymovych, Olga S Ovchinnikova, Philip D Rack
Amorphous indium gallium zinc oxide (a-IGZO) is a transparent semiconductor which has demonstrated excellent electrical performance as thin film transistors (TFTs). However, a high-temperature activation process is generally required which is incompatible for next-generation flexible electronic applications. In this work, He(+) irradiation is demonstrated as an athermal activation process for a-IGZO TFTs. Controlling He+ dose enables the tuning of charge density and a dose of 1×10(14) He(+)/cm(2) induces a change in charge density of 2...
September 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28932297/flow-cytometry-in-detecting-resistant-e-coli-strains
#14
Lyudmila Akhmaltdinova, Alyona Lavrinenko, Ilya Belyayev
Antibacterial drugs are the most consumed group of drugs in the modern hospitals. Standard methods of antibiotic sensitivity are labour and time-consuming, taking up to 24 hours after the pure culture is isolated (the analysis typically lasts up to 72 hours). Working out express diagnostic methods is of importance, and studies are made in various directions. Flow cytometry in detecting resistant E. coli strains was used. Flow cytometry fluorescent dyes were used to stain viable and dead cells. For method validation, relative accuracy, relative susceptibility, relative specificity and Cohen's kappa test were determined compared to the delusion test...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28932006/a-newly-developed-floor-chair-placed-on-an-office-chair-reduces-lumbar-muscle-fatigue-by-cyclically-changing-its-lumbar-supporting-shape
#15
Tadamitsu Matsuda, Takayuki Koyama, Yasushi Kurihara, Miki Tagami, Yasuaki Kusumoto, Osamu Nitta
[Purpose] This study investigated lumbar muscle fatigue before and after maintaining a seated position for one hour, lumbar and pelvic inclination angle change, in subjects with and without active lumber support. [Subjects and Methods] Fourteen healthy subjects randomized into two groups sat on a floor chair, placed on an office chair, that cyclically changed its lumbar supporting shape to provide active lumbar support (ALS) or no ALS for one hour. Before and after, we measured the frequency of muscle waveforms of the trunk extensor muscles when the subjects lifted an object weighing 10% of their body weight, using both hands while seated...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28931690/conformational-changes-in-the-5-end-of-the-hiv-1-genome-dependent-on-the-debranching-enzyme-dbr1-during-early-stages-of-infection
#16
Alvaro E Galvis, Hugh E Fisher, Hung Fan, David Camerini
Previous studies in our laboratory showed that the RNA debranching enzyme (DBR1) is not required for early steps in HIV cDNA formation, but is necessary for synthesis of intermediate and late cDNA products. To further characterize this effect, we evaluated the topology of the 5' end of the HIV-1 RNA genome during early infection with and without inhibition of DBR1 synthesis. Cells were transfected with DBR1 shRNA followed 48 hours later by infection with an HIV-1 derived vector containing an RNase H deficient reverse transcriptase...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28931640/qualitative-study-of-burnout-career-satisfaction-and-well-being-among-us-neurologists-in-2016
#17
Janis M Miyasaki, Carol Rheaume, Lisa Gulya, Aviva Ellenstein, Heidi B Schwarz, Thomas R Vidic, Tait D Shanafelt, Terrence L Cascino, Chris M Keran, Neil A Busis
OBJECTIVE: To understand the experience and identify drivers and mitigating factors of burnout and well-being among US neurologists. METHODS: Inductive data analysis was applied to free text comments (n = 676) from the 2016 American Academy of Neurology survey of burnout, career satisfaction, and well-being. RESULTS: Respondents providing comments were significantly more likely to be older, owners/partners of their practice, solo practitioners, and compensated by production than those not commenting...
September 20, 2017: Neurology
https://www.readbyqxmd.com/read/28931500/web-based-cognitive-remediation-improves-supported-employment-outcomes-in-severe-mental-illness-randomized-controlled-trial
#18
Anthony Wf Harris, Tanya Kosic, Jean Xu, Chris Walker, William Gye, Antoinette Redoblado Hodge
BACKGROUND: Finding work is a top priority for most people; however, this goal remains out of reach for the majority of individuals with a severe mental illness (SMI) who remain on benefits or are unemployed. Supported employment (SE) programs aimed at returning people with a severe mental illness to work are successful; however, they still leave a significant number of people with severe mental illness unemployed. Cognitive deficits are commonly found in SMI and are a powerful predictor of poor outcome...
September 20, 2017: JMIR Mental Health
https://www.readbyqxmd.com/read/28931438/global-collaborative-healthcare-assessing-the-resource-requirements-at-a-leading-academic-medical-center
#19
REVIEW
Nicole J Rosson, Heitham T Hassoun
INTRODUCTION: Academic Medical Centers ("AMCs") have served as a hub of the United States ("US") health system and represented the state-of-the art in American health care for well over a century. Currently, the global healthcare market is both massive and expanding and is being altered by the unprecedented impact of technological advances and globalization. This provides AMCs a platform to enter into trans-national collaborative partnerships with healthcare organizations around the world, thus providing a means to deliver on its promise globally while also expanding and diversifying its resources...
September 20, 2017: Globalization and Health
https://www.readbyqxmd.com/read/28931207/study-on-the-effects-of-several-operational-variables-on-the-enzymatic-batch-saccharification-of-orange-solid-waste
#20
Isabel de la Torre, Marianela Ravelo, Silvia Segarra, Marta Tortajada, Victoria E Santos, Miguel Ladero
In this work, batch enzyme-aided extraction and enzymatic saccharification of blade-milled orange waste was studied. The operation variables for this process were thoroughly analysed. It was determined that batch runs with initial pH values of 5.0 and 5.2 controlled during the first hour, 50°C and 300-500r.p.m. agitation resulted in the best yields, with a limited total and partial first-order enzyme deactivation (for cellulases and polygalacturonidase, respectively). Orange peel waste (OPW) at 6.7% w/w dry solid, 0...
August 20, 2017: Bioresource Technology
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