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https://www.readbyqxmd.com/read/29352748/use-of-e-learning-in-clinical-clerkships-effects-on-acquisition-of-dermatological-knowledge-and-learning-processes
#1
Frederike Fransen, Herm Martens, Ivo Nagtzaam, Sylvia Heeneman
Objectives: To obtain a deeper understanding of how the e-learning program, Education in Dermatology (ED), affects the acquisition of dermatological knowledge and the underlying learning processes of medical students in their clinical phase. Methods: The study used a mixed method design with a convergent parallel collection of data. Medical students (n=62) from Maastricht University (The Netherlands) were randomized to either a conventional teaching group (control group n=30) or conventional teaching plus the e-learning program (application on smartphone) group (e-learning group n=32)...
January 17, 2018: International Journal of Medical Education
https://www.readbyqxmd.com/read/29352744/crystal-structure-of-adp-dependent-glucokinase-from-methanocaldococcus-jannaschii-in-complex-with-5-iodotubercidin-reveals-phosphoryl-transfer-mechanism
#2
Piotr Tokarz, Magdalena Wiśniewska, Marcin M Kamiński, Grzegorz Dubin, Przemysław Grudnik
ADP-dependent glucokinase (ADPGK) is an alternative novel glucose phosphorylating enzyme in a modified glycolysis pathway of hyperthermophilic Archaea. In contrast to classical ATP-dependent hexokinases, ADPGK utilizes ADP as a phosphoryl group donor. Here we present a crystal structure of archaeal ADPGK from Methanocaldococcus jannaschii in complex with an inhibitor, 5-iodotubercidin, D-glucose, inorganic phosphate and a magnesium ion. Detailed analysis of the architecture of the active site allowed for confirmation of the previously proposed phosphorylation mechanism and the crucial role of the invariant arginine residue (Arg197)...
January 20, 2018: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/29352733/localization-of-palmitoylated-and-activated-g-protein-%C3%AE-subunit-in-dictyostelium-discoideum
#3
Sarah Alamer, Yusuke Kageyama, Robert E Gundersen
Guanine nucleotide-binding proteins (G proteins) act as molecular switches to regulate many fundamental cellular processes. The lipid modification, palmitoylation, can be considered as a key factor for proper G protein function and plasma membrane localization. In Dictyostelium discoidum, Gα2 is essential for the chemotactic response to cAMP in their developmental life cycle. However, the regulation of Gα2 with respect to palmitoylation, activation and Gβγ association is less clear. In this study, Gα2 is shown to be palmitoylated on Cys-4 by [3 H]palmitate labeling...
January 20, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29352689/morbidity-and-safety-of-iliac-crest-reference-array-pins-in-navigated-total-hip-arthroplasty-a-prospective-cohort-study
#4
Anton P Lambers, Xiang G Salim, Robert Jennings, Andrew T Bucknill
BACKGROUND: Navigated total hip arthroplasty (THA) can employ intra-osseous pins through a separate incision to secure reference arrays to the iliac crest. This study is the first to investigate the consequences of pin use in THA in vivo. METHODS: A prospective, consecutive series of 43 patients presenting for navigated THA were included. Two temporary 125 × 4 mm Schanz screws were inserted into the iliac crest for the attachment of a reference array. Telephone follow-up occurred at 6 and 12 weeks post-operatively...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352631/we-could-learn-much-more-from-1918-pandemic-the-mis-fortune-of-research-relying-on-original-death-certificates
#5
Wladimir J Alonso, Francielle C Nascimento, Gerardo Chowell, Cynthia Schuck-Paim
PURPOSE: The analysis of historical death certificates has enormous potential for understanding how the health of populations was shaped by diseases and epidemics and by the implementation of specific interventions. In Brazil, the systematic archiving of mortality records was initiated only in 1944-hence the analysis of death registers before this time requires searching for these documents in public archives, notaries, parishes, and especially ancient cemeteries, which are often the only remaining source of information about these deaths...
January 9, 2018: Annals of Epidemiology
https://www.readbyqxmd.com/read/29352610/neural-representation-of-octave-illusion-in-the-human-cortex-revealed-with-functional-magnetic-resonance-imaging
#6
Keita Tanaka, Hiroki Kurasaki, Shinya Kuriki
The auditory "octave illusion" arises when dichotic tones, presented one octave apart, alternate rapidly between the ears. This study aimed to explore the link between the perception of illusory pitches and brain activity during presentation of dichotic tones. We conducted a behavioral study of how participants perceived binaural dichotic tones of octave illusions and classified them, based on the reported percepts, in an illusion (ILL) group, without an illusion (non-ILL) group, and others. We recorded brain activity using functional magnetic resonance imaging and analyzed the activation due to dichotic illusion tones...
January 8, 2018: Hearing Research
https://www.readbyqxmd.com/read/29352607/integrated-lung-tissue-mechanics-one-piece-at-a-time-computational-modeling-across-the-scales-of-biology
#7
REVIEW
Kelly S Burrowes, Amin Iravani, Wendy Kang
The lung is a delicately balanced and highly integrated mechanical system. Lung tissue is continuously exposed to the environment via the air we breathe, making it susceptible to damage. As a consequence, respiratory diseases present a huge burden on society and their prevalence continues to rise. Emergent function is produced not only by the sum of the function of its individual components but also by the complex feedback and interactions occurring across the biological scales - from genes to proteins, cells, tissue and whole organ - and back again...
January 12, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29352598/who-consultation-on-etec-and-shigella-burden-of-disease-geneva-6-7th-april-2017-meeting-report
#8
Divya Hosangadi, Peter G Smith, David C Kaslow, Birgitte K Giersing
According to the 2015 Global Burden of Disease Study, diarrhea ranked ninth among causes of death for all ages, and fourth among children under 5 years old, accounting for an estimated 499,000 deaths in this young age group. It was also the second most common cause of years lived with disability (2.39 billion YLDs). The goal of the WHO/UNICEF Integrated Global Action Plan for the Prevention and Control of Pneumonia and Diarrhea (GAPPD) is to reduce deaths from diarrhea in children under 5 years of age to less than 1 per 1000 live births, by 2025...
January 15, 2018: Vaccine
https://www.readbyqxmd.com/read/29352579/informed-consent-in-physiotherapy-practice-it-is-not-what-is-said-but-how-it-is-said
#9
G Copnell
This paper discusses the concept of informed consent in the context of contemporary biomedical ethics. A change in UK law regarding what information should be provided to patients has brought to the fore the role of physiotherapists in the process of gaining informed consent. It is important that physiotherapists are aware of how this change in the law will affect their practice. For an individual to consent, they need to have both the capacity and freedom to exercise rational thought. These concepts are challenged in contemporary biomedical ethics...
August 7, 2017: Physiotherapy
https://www.readbyqxmd.com/read/29352553/why-measuring-quality-of-mental-health-care-is-still-an-unmet-challenge-and-how-to-meet-it
#10
Mirella Ruggeri
No abstract text is available yet for this article.
February 2018: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/29352524/effects-of-physical-activity-and-sedentary-behavior-on-brain-response-to-high-calorie-food-cues-in-young-adults
#11
Shan Luo, Sydney G O'Connor, Britni R Belcher, Kathleen A Page
OBJECTIVE: Physical activity (PA) promotes weight maintenance, potentially because of its beneficial effects on feeding behavior regulation via diminished food cue reactivity within brain reward regions. This study examined how levels of PA and sedentary behavior (SB) relate to brain responses to food cues. METHODS: Participants (22 lean, 18 with obesity) completed three to five PA recalls over 2 months. Average minutes per day of moderate to vigorous PA (MVPA) and SB were calculated...
January 19, 2018: Obesity
https://www.readbyqxmd.com/read/29352515/principles-of-alemtuzumab-immunoablation-in-hematopoietic-cell-transplantation-for-non-malignant-diseases-in-children-a-review
#12
REVIEW
Gregory M T Guilcher, Ravi Shah, Shalini Shenoy
Alemtuzumab is a humanized mAb targeted to CD52. Alemtuzumab is highly immunosuppressive with the ability to deplete T and B cells (in addition to other immune cell lines). A growing understanding of the PKs, dosing, and timing of administration of alemtuzumab has allowed for the study of its use as a conditioning agent for allogeneic HCT. The highly immunosuppressive properties of the drug are particularly appealing in the setting of non-malignant HCT, where GVHD provides no clinical benefit and relapse of malignancy is not applicable...
January 19, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29352514/an-integrative-review-exploring-the-physical-and-psychological-harm-inherent-in-using-restraint-in-mental-health-inpatient-settings
#13
Pauline Cusack, Frank Patrick Cusack, Sue McAndrew, Mick McKeown, Joy Duxbury
In Western society, policy and legislation seeks to minimize restrictive interventions, including physical restraint; yet research suggests the use of such practices continues to raise concerns. Whilst international agreement has sought to define physical restraint, diversity in the way in which countries use restraint remains disparate. Research to date has reported on statistics regarding restraint, how and why it is used, and staff and service user perspectives about its use. However, there is limited evidence directly exploring the physical and psychological harm restraint may cause to people being cared for within mental health inpatient settings...
January 19, 2018: International Journal of Mental Health Nursing
https://www.readbyqxmd.com/read/29352489/prospective-questionnaire-study-showed-that-higher-self-efficacy-predicted-longer-exclusive-breastfeeding-by-the-mothers-of-late-preterm-infants
#14
Emma Gerhardsson, Ingegerd Hildingsson, Elisabet Mattsson, Eva-Lotta Funkquist
AIM: An important variable that influences breastfeeding outcomes is how confident a woman feels about her ability to breastfeed successfully at an early stage. We investigated breastfeeding self-efficacy in the mothers of late preterm infants. METHODS: This was a prospective, comparative study that focused on mothers who had delivered babies at 34+0 to 36+6 weeks and were recruited in 2012-2015 from a neonatal intensive care unit and a postnatal ward at a Swedish university hospital...
January 20, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29352471/how-do-passion-for-video-games-and-needs-frustration-explain-time-spent-gaming
#15
Devin J Mills, Marina Milyavskaya, Jessica Mettler, Nancy L Heath, Jeffrey L Derevensky
Research applying self-determination theory and the dualistic model of passion (DMP) has shown video games may satisfy basic psychological needs (i.e., competence, autonomy, and relatedness) and be identified as a passion. The DMP distinguishes between healthy or harmonious passion and problematic or obsessive passion (OP), with the latter reflecting an overreliance towards one's passion to obtain needs satisfaction. The experience of daily obstructions to needs satisfaction, or needs frustration (NF), may facilitate such an overreliance...
January 20, 2018: British Journal of Social Psychology
https://www.readbyqxmd.com/read/29352466/experimental-evidence-that-density-dependence-strongly-influences-plant-invasions-through-fragmented-landscapes
#16
Jennifer L Williams, Jonathan M Levine
Populations of range expanding species encounter patches of both favorable and unfavorable habitat as they spread across landscapes. Theory shows that increasing patchiness slows the spread of populations modeled with continuously varying population density when dispersal is not influence by the environment or individual behavior. However, as is found in uniformly favorable landscapes, spread remains driven by fecundity and dispersal from low density individuals at the invasion front. In contrast, when modeled populations are composed of discrete individuals, patchiness causes populations to build up to high density before dispersing past unsuitable habitat, introducing an important influence of density dependence on spread velocity...
January 20, 2018: Ecology
https://www.readbyqxmd.com/read/29352463/temperature-dependency-of-intraguild-predation-between-native-and-invasive-crabs
#17
Tanya L Rogers, Tarik C Gouhier, David L Kimbro
Environmental factors such as temperature can affect the geographical distribution of species directly by exceeding physiological tolerances, or indirectly by altering physiological rates that dictate the sign and strength of species interactions. Although the direct effects of environmental conditions are relatively well studied, the effects of environmentally-mediated species interactions have garnered less attention. In this study, we examined the temperature-dependency of size-structured intraguild predation (IGP) between native blue crabs (Callinectes sapidus, the IG predator) and invasive green crabs (Carcinus maenas, the IG prey) to evaluate how the effect of temperature on competitive and predatory rates may influence the latitudinal distribution of these species...
January 20, 2018: Ecology
https://www.readbyqxmd.com/read/29352457/geographic-vocal-variation-and-perceptual-discrimination-abilities-in-male-australian-sea-lions
#18
Heidi Ahonen, Robert G Harcourt, Adam J Stow, Isabelle Charrier
Vocal characteristics can vary among and within populations. In species with geographic variation in the structure of vocalizations, individuals may have the ability to discriminate between calls from local and non-local individuals. The ability to distinguish differences in acoustic signals is likely to have a significant influence on the outcome of social interactions between individuals, including potentially mate selection and breeding success. Pinnipeds (seals, fur seals, sea lions and walruses) are highly vocal yet the Australian sea lion (Neophoca cinerea) is the only eared seal known to show geographic vocal variation in male barks...
January 19, 2018: Animal Cognition
https://www.readbyqxmd.com/read/29352445/effect-of-sevoflurane-anesthesia-on-brain-is-mediated-by-lncrna-hotair
#19
Jian-Yue Wang, Yong Feng, Yan-Hong Fu, Guang-Li Liu
Postoperative cognitive dysfunction in elderly patients has been related to neurodegenerative disorders and mortality. Sevoflurane anesthesia has been implicated in both postoperative cognitive dysfunction and neurotoxicity. Given the advantages of using inhaled anesthetics like sevoflurane, it is important to understand how their usage results in neurotoxicity and subsequently devise ways to circumvent or attenuate the anesthetic-mediated induction in neurotoxicity. Long noncoding RNAs (LncRNAs) are a group of > 200 bp long RNAs and show specific spatiotemporal expression profiles...
January 19, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29352436/posterolateral-tibial-plateau-fractures-how-to-buttress-reversed-l-posteromedial-or-the-posterolateral-approach-a-comparative-cadaveric-study
#20
Wich Orapiriyakul, Theerachai Apivatthakakul, Chanakarn Phornphutkul
INTRODUCTION: The selection of a surgical approach for buttressing posterolateral tibial plateau fractures is controversial. OBJECTIVE: This study compared the surgical exposure area between the reversed L posteromedial approach (R-PM) and the posterolateral (PL) approach using the lateral plateau width as a metric. MATERIALS AND METHODS: Twenty lower extremities from fresh frozen cadavers were included. The R-PM approach was used first and the boundary of the posterior tibial cortex exposure was marked with metal pins...
January 19, 2018: Archives of Orthopaedic and Trauma Surgery
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