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https://www.readbyqxmd.com/read/28806635/oryong-501-sinking-incident-in-the-bering-sea-international-dvi-cooperation-in-the-asia-pacific
#1
Nak-Eun Chung, Anton Castilani, Wilfredo E Tierra, Philip Beh, Mohd Shah Mahmood
On December 1st, 2014, the sinking of Oryong 501 occurred in the Bering Sea off the east coast of Russia. A total of 60 crew members, including 35 Indonesians, 13 Filipinos, 11 South Koreans and 1 Russian inspector were on board out of which only seven survived. Through an international rescue operation, the dead bodies of 27 were found and the remaining 26 crew are still missing. After transferring the dead bodies to the Busan Harbor in South Korea, the operation to identify the deceased began involving DVI teams from three countries: Korea, Indonesia and the Philippines...
August 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28797046/breast-conservation-surgery-versus-total-mastectomy-among-women-with-localized-breast-cancer-in-soweto-south-africa
#2
Herbert Cubasch, Maureen Joffe, Paul Ruff, Donald Dietz, Evan Rosenbaum, Nivashni Murugan, Ming Tsai Chih, Oluwatosin Ayeni, Caroline Dickens, Katherine Crew, Judith S Jacobson, Alfred Neugut
PURPOSE: Breast conserving surgery (BCS) has become the preferred surgical option for the management of patients with nonmetastatic breast cancer in high-income countries. However, little is known about the distribution and determinants of BCS in low-and middle-income countries, especially those with high HIV prevalence. METHODS: We compared demographic and clinical characteristics of female patients who received BCS and those who received total mastectomy (TM) for nonmetastatic invasive carcinoma of the breast in Soweto, South Africa, 2009-2011...
2017: PloS One
https://www.readbyqxmd.com/read/28790790/an-observational-study-on-the-effects-of-aviation-turbine-fuel-and-lubricants-on-the-skin-of-indian-air-force-ground-crew-in-flying-stations
#3
S Radhakrishnan, Ajay Chopra, Debdeep Mitra, R Gnanasekaran, R Kanagaraj
BACKGROUND: Ground crew of the Air Force routinely handle aviation turbine fuel (ATF) and lubricants and a need was felt to study the adverse effects of these substances on their skin so that remedial measures could be taken to prevent these adverse effects. METHODS: A multi-centric, cross-sectional, observational study was performed at three Air Force flying stations. 109 ground crew members of the Indian Air Force (IAF) who were in direct contact with ATF and lubricants were screened for dermatological manifestations on exposed areas...
July 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28780315/closed-loop-communication-improves-task-completion-in-pediatric-trauma-resuscitation
#4
Ibrahim Abd El-Shafy, Jennifer Delgado, Meredith Akerman, Francesca Bullaro, Nathan A M Christopherson, Jose M Prince
BACKGROUND: Pediatric trauma care requires effective and clear communication in a time-sensitive manner amongst a variety of disciplines. Programs such as Crew Resource Management in aviation have been developed to systematically prevent errors. Similarly, teamSTEPPS has been promoted in healthcare with a strong focus on communication. We aim to evaluate the ability of closed-loop communication to improve time-to-task completion in pediatric trauma activations. METHODS: All pediatric trauma activations from January to September, 2016 at an American College of Surgeons verified level I pediatric trauma center were video recorded and included in the study...
August 2, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28777910/function-and-structure-of-mala-mala-iterative-halogenases-for-late-stage-c-h-functionalization-of-indole-alkaloids
#5
Amy Elizabeth Fraley, Marc Garcia-Borràs, Ashootosh Tripathi, Dheeraj Khare, Eduardo V Mercado-Marin, Hong Tran, Qingyun Dan, Gabrielle Webb, Katharine Watts, Phillip Crews, Richmond Sarpong, Robert M Williams, Janet L Smith, Kendall N Houk, David H Sherman
Malbrancheamide is a dichlorinated fungal indole alkaloid isolated from Malbranchea aurantiaca that belongs to a family of natural products containing a characteristic bicyclo[2.2.2]diazaoctane core. The introduction of chlorine atoms on the indole ring of malbrancheamide differentiates it from other members of this family and contributes significantly to its biological activity. In this study, we characterized the flavin-dependent halogenase involved in the late-stage halogenation of malbrancheamide. MalA catalyzes the iterative dichlorination and monobromination of the free substrate premalbrancheamide as the final steps in the malbrancheamide biosynthetic pathway...
August 4, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28777571/evaluating-nitrogen-containing-biosynthetic-products-produced-by-saltwater-culturing-of-several-california-littoral-zone-gram-negative-bacteria
#6
Nicholas Lorig-Roach, Patrick C Still, David Coppage, Jennifer E Compton, Mitchell S Crews, Gabriel Navarro, Karen Tenney, Phillip Crews
The biosynthetic potential of marine-sediment-derived Gram-negative bacteria is poorly understood. Sampling of California near-shore marine environments afforded isolation of numerous Gram-negative bacteria in the Proteobacteria and Bacteriodetes phyla, which were grown in the laboratory to provide extracts whose metabolites were identified by comparative analyses of LC-mass spectrometry and MS(n) data. Overall, we developed an assemblage of seven bacterial strains grown in five different media types designed to coax out unique secondary metabolite production as a function of varying culture conditions...
August 4, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28777566/small-molecule-modulation-of-protein-homeostasis
#7
George M Burslem, Craig M Crews
Control of protein levels by nucleic-acid-based technologies has proven to be a useful research tool but lacks the advantages of small molecules with respect to cell permeability, temporal control, and the potential generation of therapeutics. In this Review, we discuss the technologies available for the control of intracellular protein levels with small molecules and compare the various systems available.
August 4, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28767222/assessing-different-e3-ligases-for-small-molecule-induced-protein-ubiquitination-and-degradation
#8
Philipp Ottis, Momar Toure, Philipp M Cromm, Eunhwa Ko, Jeffrey L Gustafson, Craig M Crews
Proteolysis Targeting Chimera (PROTAC) technology, the recruitment of E3 ubiquitin ligases to induce the degradation of a protein target, is rapidly impacting chemical biology, as well as modern drug development. Here, we explore the breadth of this approach by evaluating different E3 ubiquitin ligases engineered in their substrate binding domains to accept a recruiting ligand. Five out of six E3 ligases were found to be amenable to recruitment for target degradation. Taking advantage of the tight spatio-temporal control of inducing ubiquitination on a pre-selected target in living cells, we focused on two of the engineered E3 ligases, βTRCP and parkin, to characterize their ability to induce ubiquitination in comparison with the PROTAC-recruited endogenous E3 ligases VHL and cereblon...
August 2, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28760005/evidence-based-selection-of-probiotic-strains-to-promote-astronaut-health-or-alleviate-symptoms-of-illness-on-long-duration-spaceflight-missions
#9
G L Douglas, A A Voorhies
Spaceflight impacts multiple aspects of human physiology, which will require non-invasive countermeasures as mission length and distance from Earth increases and the capability for external medical intervention decreases. Studies on Earth have shown that probiotics have the potential to improve some of the conditions that have manifested during spaceflight, such as gastrointestinal distress, dermatitis, and respiratory infections. The constraints and risks of spaceflight make it imperative that probiotics are carefully selected based on their strain-specific benefits, doses, delivery mechanisms, and relevance to likely crew conditions prior to evaluation in astronauts...
August 1, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28756522/defining-fitness-in-an-uncertain-world
#10
Paul Crewe, Richard Gratwick, Alan Grafen
The recently elucidated definition of fitness employed by Fisher in his fundamental theorem of natural selection is combined with reproductive values as appropriately defined in the context of both random environments and continuing fluctuations in the distribution over classes in a class-structured population. We obtain astonishingly simple results, generalisations of the Price Equation and the fundamental theorem, that show natural selection acting only through the arithmetic expectation of fitness over all uncertainties, in contrast to previous studies with fluctuating demography, in which natural selection looks rather complicated...
July 29, 2017: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/28739242/helicopter-emergency-medical-service-simulation-training-in-the-extreme-simulation-based-training-in-a-mountain-weather-chamber
#11
Urs Pietsch, Ludwig Ney, Oliver Kreuzer, Armin Berner, Volker Lischke
Mountain rescue operations often confront crews with extreme weather conditions. Extremely cold temperatures make standard treatment sometimes difficult or even impossible. It is well-known that most manual tasks, including those involved in mountain rescue operations, are slowed by extremely cold weather. To lessen and improve the decrement in performance of emergency medical treatment caused by cold-induced manual impairment and inadequate medical equipment and supplies, simulation training in a weather chamber, which can produce wind and temperatures up to -22°C, was developed...
July 2017: Air Medical Journal
https://www.readbyqxmd.com/read/28738295/does-the-effect-of-one-day-simulation-team-training-in-obstetric-emergencies-decline-within-one-year-a-post-hoc-analysis-of-a-multicentre-cluster-randomised-controlled-trial
#12
J van de Ven, A F Fransen, E Schuit, P J van Runnard Heimel, B W Mol, S G Oei
Does the effect of one-day simulation team training in obstetric emergencies decline within one year? A post-hoc analysis of a multicentre cluster randomised controlled trial. J van de Ven, AF Fransen, E Schuit, PJ van Runnard Heimel, BW Mol, SG Oei OBJECTIVE: To investigate whether the effect of a one-day simulation-based obstetric team training on patient outcome changes over time. STUDY DESIGN: Post-hoc analysis of a multicentre, open, randomised controlled trial that evaluated team training in obstetrics (TOSTI study)...
July 14, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28734819/the-prevalence-of-chronic-conditions-and-poor-health-among-people-with-and-without-vision-impairment-aged-%C3%A2-65-years-2010-2014
#13
John E Crews, Chiu-Fang Chou, Swathi Sekar, Jinan B Saaddine
PURPOSE: To examine the prevalence of 13 chronic conditions and fair/poor health among people aged ≥65 years in the U.S. with and without vision impairment. DESIGN: Cross-sectional study from the 2010-2014 National Health Interview Survey METHODS: We examined hypertension, heart disease, high cholesterol, stroke, arthritis, asthma, chronic obstructive pulmonary disease, cancer, weak/failing kidneys, diabetes, hepatitis, depression, and hearing impairment. We used logistic regression to show the association between vision impairment and chronic conditions and the association between vision impairment and poor health for those with chronic conditions...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729847/effects-of-intensive-crew-training-on-individual-and-collective-characteristics-of-oar-movement-in-rowing-as-a-coxless-pair
#14
Mathieu Feigean, Mehdi R'Kiouak, Reinoud J Bootsma, Jérôme Bourbousson
This case study examined how two rowers adapted their rowing patterns following crew training as a newly formed coxless pair. The two participants were expert (double-oar) single scull-boat rowers. Performing as a crew in the coxless-pair's sweep-boat, where each rower operates a single oar, on-the-water data were collected before and after a 6-week intensive team-training program. Rowing patterns were characterized by the horizontal oar angle, oar angular velocity and linear oar-water velocity profiles during the catch (minimal oar angle) to finish (maximal oar angle) half-cycles of the propulsive water phase...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28727637/evaluation-and-student-perceptions-of-an-ob-boot-camp-simulation-for-undergraduate-nursing-students-a-mixed-method-approach
#15
Cynthia S Crews, Lisa C Minor
Obstetrical nursing offers unique challenges as a specialty clinical area as the process of birth and the nature of the setting are unpredictable. Traditional undergraduate baccalaureate nursing students may not have experience with maternal/newborn care. An eight-hour OB Boot Camp was developed to prepare students for their first obstetrical clinical rotation. An explanatory sequential mixed-method research study was used to explore student perceptions and evaluate the experience. On the basis of the results of this research study, the OB Boot Camp was a valuable instructional method to prepare students for obstetrical clinical rotations and coursework...
July 19, 2017: Nursing Education Perspectives
https://www.readbyqxmd.com/read/28720181/computerized-tests-of-team-performance-and-crew-coordination-suitable-for-military-aviation-settings
#16
Ben D Lawson, Thomas W Britt, Amanda M Kelley, Jeremy R Athy, Shauna M Legan
INTRODUCTION: The coordination of team effort on shared tasks is an area of inquiry. A number of tests of team performance in challenging environments have been developed without comparison or standardization. This article provides a systematic review of the most accessible and usable low-to-medium fidelity computerized tests of team performance and determines which are most applicable to military- and aviation-relevant research, such as studies of group command, control, communication, and crew coordination...
August 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28706996/south-african-breast-cancer-and-hiv-outcomes-study-methods-and-baseline-assessment
#17
Herbert Cubasch, Paul Ruff, Maureen Joffe, Shane Norris, Tobias Chirwa, Sarah Nietz, Vinay Sharma, Raquel Duarte, Ines Buccimazza, Sharon Čačala, Laura W Stopforth, Wei-Yann Tsai, Eliezer Stavsky, Katherine D Crew, Judith S Jacobson, Alfred I Neugut
PURPOSE: In low- and middle-income, HIV-endemic regions of sub-Saharan Africa, morbidity and mortality from the common epithelial cancers of the developed world are rising. Even among HIV-infected individuals, access to antiretroviral therapy has enhanced life expectancy, shifting the distribution of cancer diagnoses toward non-AIDS-defining malignancies, including breast cancer. Building on our prior research, we recently initiated the South African Breast Cancer and HIV Outcomes study...
April 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28704489/a-two-stage-approach-to-the-depot-shunting-driver-assignment-problem-with-workload-balance-considerations
#18
Jiaxi Wang, Manfred Gronalt, Yan Sun
Due to its environmentally sustainable and energy-saving characteristics, railway transportation nowadays plays a fundamental role in delivering passengers and goods. Emerged in the area of transportation planning, the crew (workforce) sizing problem and the crew scheduling problem have been attached great importance by the railway industry and the scientific community. In this paper, we aim to solve the two problems by proposing a novel two-stage optimization approach in the context of the electric multiple units (EMU) depot shunting driver assignment problem...
2017: PloS One
https://www.readbyqxmd.com/read/28693587/human-presence-impacts-fungal-diversity-of-inflated-lunar-mars-analog-habitat
#19
A Blachowicz, T Mayer, M Bashir, T R Pieber, P De León, K Venkateswaran
BACKGROUND: An inflatable lunar/Mars analog habitat (ILMAH), simulated closed system isolated by HEPA filtration, mimics International Space Station (ISS) conditions and future human habitation on other planets except for the exchange of air between outdoor and indoor environments. The ILMAH was primarily commissioned to measure physiological, psychological, and immunological characteristics of human inhabiting in isolation, but it was also available for other studies such as examining its microbiological aspects...
July 11, 2017: Microbiome
https://www.readbyqxmd.com/read/28692295/identification-and-characterization-of-von-hippel-lindau-recruiting-proteolysis-targeting-chimeras-protacs-of-tank-binding-kinase-1
#20
Andrew P Crew, Kanak Raina, Hanqing Dong, Yimin Qian, Jing Wang, Dominico Vigil, Yevgeniy V Serebrenik, Brian D Hamman, Alicia Morgan, Caterina Ferraro, Kam Siu, Taavi K Neklesa, James D Winkler, Kevin G Coleman, Craig M Crews
Proteolysis targeting chimeras (PROTACs) are bifunctional molecules that recruit an E3 ligase to a target protein to facilitate ubiquitination and subsequent degradation of that protein. While the field of targeted degraders is still relatively young, the potential for this modality to become a differentiated and therapeutic reality is strong, such that both academic and pharmaceutical institutions are now entering this interesting area of research. In this article, we describe a broadly applicable process for identifying degrader hits based on the serine/threonine kinase TANK-binding kinase 1 (TBK1) and have generalized the key structural elements associated with degradation activities...
July 10, 2017: Journal of Medicinal Chemistry
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