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https://www.readbyqxmd.com/read/29166558/understanding-the-cellular-uptake-of-ph-responsive-zwitterionic-gold-nanoparticles-a-computer-simulation-study
#1
Xuebo Quan, Daohui Zhao, Libo Li, Jian Zhou
Surface functionalization of nanoparticles (NPs) with stealth polymers (e.g., hydrophilic and zwitterionic polymers) has become a common strategy to resist non-specific protein adsorption recently. Understanding the role of surface decoration on NP-biomembrane interactions is of great significance to promote the application of NPs in biomedical fields. Herein, using coarse-grained molecular dynamics (CGMD) simulations, we investigate the interactions between stealth polymer-coated gold nanoparticles (AuNPs) and lipid membranes...
November 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29166504/moderate-to-severe-psoriasis-treatment-challenges-through-the-era-of-biological-drugs
#2
Júlia Vide, Sofia Magina
Biological therapy has revolutionized moderate to severe psoriasis treatment. However, despite being more effective than conventional systemic treatments, some patients do not respond or lose response to biotechnological treatments or develop drug-antibodies, interfering with its safety and efficacy. There are also clinical forms of the disease and patient profiles for which is pending further scientific evidence for more sustained therapeutic interventions. The continuous and more detailed knowledge of psoriasis pathophysiology has allowed identifying new therapeutic targets, which is expected to help overcome the challenges of individualized psoriasis treatment...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166490/-guidelines-for-a-line-of-care-for-children-and-adolescents-with-complex-chronic-health-conditions
#3
Martha Cristina Nunes Moreira, Lidianne Vianna Albernaz, Miriam Ribeiro Calheiros de Sá, Roberta Fernandes Correia, Roberta Falcão Tanabe
The definition of complex chronic health condition (CCHC) is important for identifying children and adolescents occupying pediatric beds in Brazilian hospitals, where they live out their childhood, requiring complex care by multidisciplinary teams in network format both in-hospital and in home care. The current article addresses guidelines for a line of care for children and adolescents with CCHCs. An expert panel validated 13 guidelines organized in three dimensions. Using the consensus conference technique, experts from different specialties validated the guidelines...
November 21, 2017: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/29166406/revised-geochronology-correlation-and-dinosaur-stratigraphic-ranges-of-the-santonian-maastrichtian-late-cretaceous-formations-of-the-western-interior-of-north-america
#4
Denver Warwick Fowler
Interbasinal stratigraphic correlation provides the foundation for all consequent continental-scale geological and paleontological analyses. Correlation requires synthesis of lithostratigraphic, biostratigraphic and geochronologic data, and must be periodically updated to accord with advances in dating techniques, changing standards for radiometric dates, new stratigraphic concepts, hypotheses, fossil specimens, and field data. Outdated or incorrect correlation exposes geological and paleontological analyses to potential error...
2017: PloS One
https://www.readbyqxmd.com/read/29166390/criticism-by-community-people-and-poor-workplace-communication-as-risk-factors-for-the-mental-health-of-local-welfare-workers-after-the-great-east-japan-earthquake-a-cross-sectional-study
#5
Ikki Ueda, Atsushi Sakuma, Yoko Takahashi, Wataru Shoji, Ayami Nagao, Mikika Abe, Yuriko Suzuki, Hiroo Matsuoka, Kazunori Matsumoto
After a large-scale natural disaster, demand for social welfare services increases, and the mental health of local social welfare workers becomes a matter of great concern because of their dual role as support providers and disaster survivors. We examined whether work-related social stressors, including criticism by community people and poor workplace communication, were associated with increased risk of post-traumatic stress disorder (PTSD), depression, or psychological distress 20-22 months after the Great East Japan Earthquake (GEJE; March 11, 2011) in local social welfare workers...
2017: PloS One
https://www.readbyqxmd.com/read/29166365/cdc-grand-rounds-improving-the-lives-of-persons-with-sickle-cell-disease
#6
Mary Hulihan, Kathryn L Hassell, Jean L Raphael, Kim Smith-Whitley, Phoebe Thorpe
Approximately 100,000 Americans have sickle cell disease (SCD), a group of recessively inherited red blood cell disorders characterized by abnormal hemoglobin, called hemoglobin S or sickle hemoglobin, in the red blood cells. Persons with hemoglobin SS or hemoglobin Sß(0) thalassemia, also known as sickle cell anemia (SCA), have the most severe form of SCD. Hemoglobin SC disease and hemoglobin Sß(+) thalassemia are other common forms of SCD. Red blood cells that contain sickle hemoglobin are inflexible and can stick to vessel walls, causing a blockage that slows or stops blood flow...
November 24, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29166355/restoring-faculty-vitality-in-academic-medicine-when-burnout-threatens
#7
Darshana T Shah, Valerie N Williams, Luanne E Thorndyke, E Eugene Marsh, Roberta E Sonnino, Steven M Block, Thomas R Viggiano
Increasing rates of burnout-with accompanying stress and lack of engagement-among faculty, residents, students, and practicing physicians have caused alarm in academic medicine. Central to the debate among academic medicine's stakeholders are oft-competing issues of social accountability; cost containment; effectiveness of academic medicine's institutions; faculty recruitment, retention, and satisfaction; increasing expectations for faculty; and mission-based productivity.The authors propose that understanding and fostering what contributes to faculty and institutional vitality is central to preventing burnout during times of change...
November 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29166354/smoothing-the-transition-points-in-canadian-medical-education
#8
Nick Busing, Jay Rosenfield, Kamal Rungta, Matt Raegele, Andrew Warren, Bruce Wright, Mark Walton, Ivy Oandasan, Anthony Sanfilippo, Anurag Saxena
In 2010 the Association of Faculties of Medicine of Canada, Collège des médecins du Québec, College of Family Physicians of Canada, and the Royal College of Physicians and Surgeons of Canada launched The Future of Medical Education in Canada Postgraduate (FMEC PG) Project to examine postgraduate medical education (PGME) in Canada and make recommendations for improvement. One recommendation that emerged concerns the transitions learners experience across the undergraduate medical education-PGME-practice continuum...
November 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29166350/competency-crosswalk-a-multispecialty-review-of-the-accreditation-council-for-graduate-medical-education-milestones-across-four-competency-domains
#9
Laura Edgar, Sydney Roberts, Nicholas Yaghmour, Andrea Leep Hunderfund, Stanley J Hamstra, Lisa Conforti, Eric S Holmboe
PURPOSE: To identify common and overlapping themes among the interpersonal and communication skills (ICS), practice-based learning and improvement (PBLI), professionalism (PROF), and systems-based practice (SBP) milestones of the transitional year and 26 specialties. METHOD: In May 2017, milestones were accessed from the Accreditation Council for Graduate Medical Education specialties website. A thematic analysis of the ICS, PBLI, PROF, and SBP milestones was performed to determine unique and common themes across these competencies and across specialties...
November 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29166244/precision-medicine-from-a-public-health-perspective
#10
Ramya Ramaswami, Ronald Bayer, Sandro Galea
Over the past decade, precision medicine (PM) approaches have received significant investment to create new therapies, learn more about disease processes, and potentially prevent diseases before they arise. However, in many ways, PM investments may come at the expense of existing public health measures that could have a greater impact on population health. As we tackle burgeoning public health concerns, such as obesity, and chronic diseases, such as cancer, it is not clear whether PM is aligned with public health or in conflict with its goals...
November 20, 2017: Annual Review of Public Health
https://www.readbyqxmd.com/read/29166243/building-capacity-for-evidence-based-public-health-reconciling-the-pulls-of-practice-and-the-push-of-research
#11
Ross C Brownson, Jonathan E Fielding, Lawrence W Green
Timely implementation of principles of evidence-based public health (EBPH) is critical for bridging the gap between discovery of new knowledge and its application. Public health organizations need sufficient capacity (the availability of resources, structures, and workforce to plan, deliver, and evaluate the preventive dose of an evidence-based intervention) to move science to practice. We review principles of EBPH, the importance of capacity building to advance evidence-based approaches, promising approaches for capacity building, and future areas for research and practice...
November 20, 2017: Annual Review of Public Health
https://www.readbyqxmd.com/read/29166242/dynamism-of-an-astrocyte-in-vivo-perspectives-on-identity-and-function
#12
Kira E Poskanzer, Anna V Molofsky
Astrocytes are an abundant and evolutionarily conserved central nervous system cell type. Despite decades of evidence that astrocytes are integral to neural circuit function, it seems as though astrocytic and neuronal biology continue to advance in parallel to each other, to the detriment of both. Recent advances in molecular biology and optical imaging are being applied to astrocytes in new and exciting ways but without fully considering their unique biology. From this perspective, we explore the reasons that astrocytes remain enigmatic, arguing that their responses to neuronal and environmental cues shape form and function in dynamic ways...
November 20, 2017: Annual Review of Physiology
https://www.readbyqxmd.com/read/29166241/two-classes-of-secreted-synaptic-organizers-in-the-central-nervous-system
#13
Michisuke Yuzaki
Research in the last two decades has identified many synaptic organizers in the central nervous system that directly regulate the assembly of preand/ or postsynaptic molecules, such as synaptic vesicles, active zone proteins, and neurotransmitter receptors. They are classified into secreted factors and cell adhesion molecules, such as neurexins and neuroligins. Certain secreted factors are termed extracellular scaffolding proteins (ESPs) because they are components of the synaptic extracellular matrix and serve as a scaffold at the synaptic cleft...
November 20, 2017: Annual Review of Physiology
https://www.readbyqxmd.com/read/29166217/the-radiologist-s-primer-to-imaging-the-noncuff-nonlabral-postoperative-shoulder
#14
Christopher R Smith, Jason T Yoon, Jeremiah R Long, Michael V Friedman, Travis J Hillen, James D Stensby
Many radiologists are familiar with the preoperative imaging assessment of patients with labral tears, rotator cuff abnormalities, and end-stage arthritis, as well as the subsequent primary reconstructions and repairs commonly encountered in routine clinical management. However, the second-line surgical procedures and augmentation procedures performed for refractory or recurrent shoulder instability and the extra-articular surgical procedures of the shoulder girdle may challenge even the most experienced musculoskeletal radiologist...
November 22, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29166193/traditional-method-of-initial-diarrhea-treatment-in-children
#15
Kristian Ade Chandra, Dessie Wanda
Diarrhea is the most common cause of death in children. For diarrhea, home treatment should be administered by parents to prevent diarrheal complications. The purpose of this research was to investigate the traditional method of diarrhea treatment in Tegal regency, Central Java, Indonesia. A descriptive study was conducted with the aim of describing the traditional method of home treatment for diarrhea in children. The study sample included families with children who were experiencing or had experienced diarrhea and had received traditional medicine...
2017: Compr Child Adolesc Nurs
https://www.readbyqxmd.com/read/29166162/stochastic-evolutionary-demography-under-a-fluctuating-optimum-phenotype
#16
Luis-Miguel Chevin, Olivier Cotto, Jaime Ashander
Many natural populations exhibit temporal fluctuations in abundance that are consistent with external forcing by a randomly changing environment. As fitness emerges from an interaction between the phenotype and the environment, such demographic fluctuations probably include a substantial contribution from fluctuating phenotypic selection. We study the stochastic population dynamics of a population exposed to random (plus possibly directional) changes in the optimum phenotype for a quantitative trait that evolves in response to this moving optimum...
December 2017: American Naturalist
https://www.readbyqxmd.com/read/29166128/the-oxylipin-pathways-biochemistry-and-function
#17
Claus Wasternack, Ivo Feussner
Plant oxylipins form a constantly growing group of signaling molecules that comprise oxygenated fatty acids and metabolites derived therefrom. In the last decade, the understanding of biosynthesis, metabolism, and action of oxylipins, especially jasmonates, has dramatically improved. Additional mechanistic insights into the action of enzymes and insights into signaling pathways have been deepened for jasmonates. For other oxylipins, such as the hydroxy fatty acids, individual signaling properties and cross talk between different oxylipins or even with additional phytohormones have recently been described...
November 20, 2017: Annual Review of Plant Biology
https://www.readbyqxmd.com/read/29166127/bat-biology-genomes-and-the-bat1k-project-to-generate-chromosome-level-genomes-for-all-living-bat-species
#18
Emma Teeling, Sonja Vernes, Liliana M Davalos, David A Ray, M Thomas P Gilbert, Eugene Myers, Bat K Consortium
Bats are unique among mammals, possessing some of the rarest mammalian adaptations, including true self-powered flight, laryngeal echolocation, exceptional longevity, unique immunity, contracted genomes, and vocal learning. They provide key ecosystem services, pollinating tropical plants, dispersing seeds, and controlling insect pest populations, thus driving healthy ecosystems. They account for more than 20% of all living mammalian diversity, and their crown-group evolutionary history dates back to the Eocene...
November 20, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29166126/nutrient-sensing-biology-in-mammals-and-birds
#19
Eugeni Roura, Simon R Foster
Nutrient sensing mechanisms have emerged as the fringe articulating nutritional needs with dietary choices. Carbohydrate, amino acid, fatty acid, mineral, and water sensing receptors are highly conserved across mammals and birds, consisting of a repertoire of 22 genes known to date. In contrast, bitter receptors are highly divergent and have a high incidence of polymorphisms within and between mammals and birds and are involved in the adaptation of species to specific environments. In addition, the expression of nutrient sensing genes outside the oral cavity seems to mediate the required decision-making dialogue between the gut and the brain by translating exogenous chemical stimuli into neuronal inputs, and vice versa, to translate the endogenous signals relevant to the nutritional status into specific appetites and the control of feed intake...
November 20, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29166107/simulations-of-water-nano-confined-between-corrugated-planes
#20
Jon Zubeltzu, Emilio Artacho
Water confined to nanoscale widths in two dimensions between ideal planar walls has been the subject of ample study, aiming at understanding the intrinsic response of water to confinement, avoiding the consideration of the chemistry of actual confining materials. In this work, we study the response of such nanoconfined water to the imposition of a periodicity in the confinement by means of computer simulations, both using empirical potentials and from first-principles. For that we propose a periodic confining potential emulating the atomistic oscillation of the confining walls, which allows varying the lattice parameter and amplitude of the oscillation...
November 21, 2017: Journal of Chemical Physics
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