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https://www.readbyqxmd.com/read/29792920/inner-ear-drug-delivery-recent-advances-challenges-and-perspective
#1
Jinsong Hao, S Kevin Li
Effective and safe treatment of auditory and vestibular diseases has become increasingly dependent on inner ear drug delivery systems. This review highlights recent advances in inner ear drug delivery research and technologies. The focus is on strategies to overcome delivery barriers and to improve drug residence and targeting, with special attention to in vivo animal and human studies. The research in gene and stem cell delivery to the inner ear is briefly reviewed. Newly developed research tools to address experimental challenges and safety issues are discussed...
May 21, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29792470/the-science-of-teamwork-progress-reflections-and-the-road-ahead
#2
Eduardo Salas, Denise L Reyes, Susan H McDaniel
We need teams in nearly every aspect of our lives (e.g., hospitals, schools, flight decks, nuclear power plants, oil rigs, the military, and corporate offices). Nearly a century of psychological science has uncovered extensive knowledge about team-related processes and outcomes. In this article, we draw from the reviews and articles of this special issue to identify 10 key reflections that have arisen in the team literature, briefly summarized here. Team researchers have developed many theories surrounding the multilayered aspects of teams, such that now we have a solid theoretical basis for teams...
May 2018: American Psychologist
https://www.readbyqxmd.com/read/29792456/teamwork-situated-in-multiteam-systems-key-lessons-learned-and-future-opportunities
#3
Marissa L Shuffler, Dorothy R Carter
Many important contexts requiring teamwork, including health care, space exploration, national defense, and scientific discovery, present important challenges that cannot be addressed by a single team working independently. Instead, the complex goals these contexts present often require effectively coordinated efforts of multiple specialized teams working together as a multiteam system (MTS). For almost 2 decades, researchers have endeavored to understand the novelties and nuances for teamwork and collaboration that ensue when teams operate together as "component teams" in these interdependent systems...
May 2018: American Psychologist
https://www.readbyqxmd.com/read/29789948/the-application-of-neuromuscular-electrical-stimulation-nmes-in-cancer-rehabilitation-current-prescription-pitfalls-and-future-directions
#4
Dominic O'Connor, Brian Caulfield
The plethora of treatment complications associated with cancer can be offset by regular exercise participation; however, adherence to current guidelines is poor, in particular in those unable or not allowed to participate in voluntary exercise due to their underlying disease. Alternative therapies such as neuromuscular electrical stimulation (NMES) are promising although previous results in cancer survivors have been equivocal. This is likely in response to methodological issues such as inappropriate NMES prescription...
May 22, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29786558/new-substrates-for-stem-cell-control
#5
REVIEW
Sara Schmidt, Annamaria Lilienkampf, Mark Bradley
The capacity to culture stem cells in a controllable, robust and scalable manner is necessary in order to develop successful strategies for the generation of cellular and tissue platforms for drug screening, toxicity testing, tissue engineering and regenerative medicine. Creating substrates that support the expansion, maintenance or directional differentiation of stem cells would greatly aid these efforts. Optimally, the substrates used should be chemically defined and synthetically scalable, allowing growth under defined, serum-free culture conditions...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786551/three-dimensional-cell-culture-from-evolution-to-revolution
#6
REVIEW
Sharmin Alhaque, Michael Themis, Hassan Rashidi
Recent advances in the isolation of tissue-resident adult stem cells and the identification of inductive factors that efficiently direct differentiation of human pluripotent stem cells along specific lineages have facilitated the development of high-fidelity modelling of several tissues in vitro Many of the novel approaches have employed self-organizing three-dimensional (3D) culturing of organoids, which offer several advantages over conventional two-dimensional platforms. Organoid technologies hold great promise for modelling diseases and predicting the outcome of drug responses in vitro Here, we outline the historical background and some of the recent advances in the field of three-dimensional organoids...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29785843/insulin-therapy-weight-gain-and-prognosis
#7
REVIEW
Israel Hodish
Insulin therapy is mainly used by patients with type 2 diabetes who have failed other therapeutic modalities and have become insulin deficient. This group of patients represents about a quarter of all patients with type 2 diabetes. Almost all patients with type 2 diabetes who start insulin therapy or intensify it gain weight, which may potentially diminish the prognostic advantage of improved glycaemia. To date, all available guidelines emphasize both the attainment of A1c goals and weight control, without directing clinician which element is of a higher priority...
May 21, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29781625/vertically-emitting-indium-phosphide-nanowire-lasers
#8
Wei-Zong Xu, Fang-Fang Ren, Dimitars Jevtics, Antonio Hurtado, Li Li, Qian Gao, Jiandong Ye, Fan Wang, Benoit Guilhabert, Lan Fu, Hai Lu, Rong Zhang, Hark Hoe Tan, Martin Dawson, Chennupati Jagadish
Semiconductor nanowire (NW) lasers have attracted considerable research effort given their excellent promise for nanoscale photonic sources. However, NW lasers currently exhibit poor directionality and high threshold gain, issues critically limiting their prospects for on-chip light sources with extremely reduced footprint and efficient power consumption. Here, we propose a new design and experimentally demonstrate a vertically emitting indium phosphide (InP) NW laser structure showing high emission directionality and reduced energy requirements for operation...
May 21, 2018: Nano Letters
https://www.readbyqxmd.com/read/29774915/donor-acceptor-type-supramolecular-polymers-on-the-basis-of-preorganized-molecular-tweezers-guest-complexation
#9
Yifei Han, Yukui Tian, Zijian Li, Feng Wang
The bottom-up self-assembly of donor-acceptor (D-A) units has received tremendous attention in recent years. Charge-transfer interactions, which are inherently embedded in D-A pairs, have suffered from some disadvantages such as erratic arrangements and weak binding affinity, thus hampering the precise arrangement of D-A units into long-range-ordered supramolecular polymers. To address this issue, a feasible protocol is to incorporate D-A units into molecular tweezers/guest recognition motifs, which concurrently feature high complexation directionality, strong binding affinity and stimuli-responsiveness...
May 18, 2018: Chemical Society Reviews
https://www.readbyqxmd.com/read/29771249/-new-italian-law-about-end-of-life-self-determination-and-shared-care-pathway
#10
Rosagemma Ciliberti, Matteo Gulino, Ilaria Gorini
The Italian Parliament has recently approved the Law n. 219/2017 concerning "Rules on informed consent and advance directives". The manuscript points out the main key points of the new law, in order to clarify the role of the advance directives and to provide clear operational guidelines for healthcare personnel. Taking into consideration the Italian deontological and juridical context, along with the main jurisprudential judgements, the law has been analysed. The Authors discussed the new rules and the bioethical issues also in relation to the provisions stated by the Convention on Human Rights and Biomedicine (Convention of Oviedo)...
May 2018: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/29763658/event-related-potential-analysis-techniques-for-autism-spectrum-disorders-a-review
#11
REVIEW
Priyalakshmi Sheela, Subha D Puthankattil
Autism Spectrum Disorders (ASD) comprise all pervasive neurodevelopmental diseases marked by deficits in social and communication skills, delayed cognitive development, restricted and repetitive behaviors. The core symptoms begin in early childhood, may continue life-long resulting in poor performance in adult stage. Event-related potential (ERP) is basically a time-locked electroencephalogram signal elicited by various stimuli, related to sensory and cognitive processes. The various ERP based techniques used for the study of ASD are considered in this review...
May 12, 2018: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29757778/a-contemporary-analysis-of-medicolegal-issues-in-obstetric-anesthesia-between-2005-and-2015
#12
Vesela P Kovacheva, Ethan Y Brovman, Penny Greenberg, Ellen Song, Arvind Palanisamy, Richard D Urman
BACKGROUND: Detailed reviews of closed malpractice claims have provided insights into the most common events resulting in litigation and helped improve anesthesia care. In the past 10 years, there have been multiple safety advancements in the practice of obstetric anesthesia. We investigated the relationship among contributing factors, patient injuries, and legal outcome by analyzing a contemporary cohort of closed malpractice claims where obstetric anesthesiology was the principal defendant...
May 10, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29756237/biopolymers-for-antitumor-implantable-drug-delivery-systems-recent-advances-and-future-outlook
#13
REVIEW
Sepehr Talebian, Javad Foroughi, Samantha J Wade, Kara L Vine, Alireza Dolatshahi-Pirouz, Mehdi Mehrali, João Conde, Gordon G Wallace
In spite of remarkable improvements in cancer treatments and survivorship, cancer still remains as one of the major causes of death worldwide. Although current standards of care provide encouraging results, they still cause severe systemic toxicity and also fail in preventing recurrence of the disease. In order to address these issues, biomaterial-based implantable drug delivery systems (DDSs) have emerged as promising therapeutic platforms, which allow local administration of drugs directly to the tumor site...
May 13, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29755850/three-dimensional-printing-and-cell-therapy-for-wound-repair
#14
REVIEW
Sylvia van Kogelenberg, Zhilian Yue, Jeremy N Dinoro, Christopher S Baker, Gordon G Wallace
Significance: Skin tissue damage is a major challenge and a burden on healthcare systems, from burns and other trauma to diabetes and vascular disease. Although the biological complexities are relatively well understood, appropriate repair mechanisms are scarce. Three-dimensional bioprinting is a layer-based approach to regenerative medicine, whereby cells and cell-based materials can be dispensed in fine spatial arrangements to mimic native tissue. Recent Advances: Various bioprinting techniques have been employed in wound repair-based skin tissue engineering, from laser-induced forward transfer to extrusion-based methods, and with the investigation of the benefits and shortcomings of each, with emphasis on biological compatibility and cell proliferation, migration, and vitality...
May 1, 2018: Advances in Wound Care
https://www.readbyqxmd.com/read/29754895/drug-consumption-rooms-comparing-times-spaces-and-actors-in-issues-of-social-acceptability-in-french-public-debate
#15
Marie Jauffret-Roustide, Isabelle Cailbault
BACKGROUND: In October 2016, the first French drug consumption room (DCR) opened in Paris. We propose to examine the process through which this issue has been framed as a matter of public concern, after being ignored for almost 20 years. Our analysis of the controversy on DCRs investigates how public conversations on harm reduction evolve according to the time period (from the 1990s to the present), scale of discourse (local vs. national), and involved actors (politicians, professionals, local residents, and drug users)...
May 10, 2018: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29754667/is-there-a-role-for-pharmacokinetic-pharmacodynamic-guided-dosing-for-novel-oral-anticoagulants
#16
REVIEW
Noel Chan, Philip T Sager, Jack Lawrence, Thomas's Ortel, Paul Reilly, Scott Berkowitz, Dagmar Kubitza, John Eikelboom, Jeffry Florian, Norman Stockbridge, Martin Rose, Robert Temple, Jonathan H Seltzer
The novel direct oral anticoagulants (NOACs) represent a major advance in oral anticoagulant therapy and are replacing vitamin K antagonists as the preferred options for many indications. Given in fixed doses without routine laboratory monitoring, they have been shown to be at least as effective in reducing thromboembolic stroke as dose-adjusted warfarin in phase 3 randomized trials and less likely to cause hemorrhagic stroke. Pharmacokinetic and/or pharmacodynamic subanalyses of the major NOAC trials in patients with atrial fibrillation have established relationships between clinical characteristics, and drug levels and/or pharmacodynamic responses with both efficacy and safety...
May 2018: American Heart Journal
https://www.readbyqxmd.com/read/29748717/ethical-challenges-in-resuscitation
#17
REVIEW
Spyros D Mentzelopoulos, Anne-Marie Slowther, Zoe Fritz, Claudio Sandroni, Theodoros Xanthos, Clifton Callaway, Gavin D Perkins, Craig Newgard, Eleni Ischaki, Robert Greif, Erwin Kompanje, Leo Bossaert
PURPOSE: A rapidly evolving resuscitation science provides more effective treatments to an aging population with multiple comorbidites. Concurrently, emergency care has become patient-centered. This review aims to describe challenges associated with the application of key principles of bioethics in resuscitation and post-resuscitation care; propose actions to address these challenges; and highlight the need for evidence-based ethics and consensus on ethical principles interpretation. METHODS: Following agreement on the article's outline, subgroups of 2-3 authors provided narrative reviews of ethical issues concerning autonomy and honesty, beneficence/nonmaleficence and dignity, justice, specific practices/circumstances such as family presence during resuscitation, and emergency research...
May 10, 2018: Intensive Care Medicine
https://www.readbyqxmd.com/read/29743211/advancing-the-science-of-implementation-in-primary-health-care
#18
EDITORIAL
Andrew Bazemore, Anne Victoria Neale, Phillip Lupo, Dean Seehusen
Implementation Science is commonly described as the study of methods and approaches that promote the uptake and use of evidence-based interventions into routine practice and policymaking. In this issue of JABFM , investigators share a wealth of new insights from the frontlines of Implementation Science in primary care: what it is, how we are doing it, and how it is advancing the evidence base of primary care. The breadth of implementation science in primary care is affirmed by the range of topics covered, from thought leader recommendations on future directions for the field, to reports on how best practices in policy and practice are shaping primary care implementation in the United States and Canada...
May 2018: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/29742915/redox-regulation-of-hexokinases
#19
Petr Heneberg
Significance Hexokinases are key enzymes that are responsible for the first reaction of glycolysis, but they also moonlight other cellular processes, including mitochondrial redox signaling regulation. Modulation of hexokinase activity and spatiotemporal location by reactive oxygen and nitrogen species as well as other gasotransmitters serves as the basis for a unique, underexplored method of tight and flexible regulation of these fundamental enzymes. Recent advances Redox modifications of thiols serve as a molecular code that enables the precise and complex regulation of hexokinases...
May 10, 2018: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29736370/a-brief-review-on-anterior-urethral-strictures
#20
REVIEW
Li Cheng, Sen Li, Zicheng Wang, Bingwei Huang, Jian Lin
The treatment of urethral strictures remains a challenging field in urology even though there are a variety of procedures to treat it at present, as no one approach is superior over another. This paper reviewed the surgical options for the management of different sites and types of anterior urethral stricture, providing a brief discussion of the controversies regarding this issue and suggesting possible future advancements. Among the existing procedures, simple dilation and direct vision internal urethrotomy are more commonly used for short urethral strictures ( <1 cm, soft and no previous intervention)...
April 2018: Asian Journal of Urology
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