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https://www.readbyqxmd.com/read/29793050/small-scale-managed-marine-areas-over-time-developments-and-challenges-in-a-local-fijian-reef-fishery
#1
Elodie Fache, Annette Breckwoldt
This paper investigates the Locally Managed Marine Area (LMMA) approach through looking at developments and challenges of community-based marine resource management over time, with a particular focus on Fiji in the South Pacific region. A diachronic perspective, based on two multi-method empirical studies, is used to exemplify the social complexities of the implementation of this LMMA approach in a specific island setting. This perspective connects local stakeholders' establishment and management of a LMMA covering their entire customary fishing rights area (iqoliqoli) with the national context articulated around the Fiji Locally Managed Marine Area (FLMMA) network, as well as with regional networking and international conservation dynamics...
May 21, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29793032/phosphorylated-and-non-phosphorylated-hck-kinase-domains-produced-by-cell-free-protein-expression
#2
Kazushige Katsura, Yuri Tomabechi, Takayoshi Matsuda, Mayumi Yonemochi, Junko Mikuni, Noboru Ohsawa, Takaho Terada, Shigeyuki Yokoyama, Mutsuko Kukimoto-Niino, Chie Takemoto, Mikako Shirouzu
Since phosphorylation is involved in various physiological events, kinases and interacting factors can be potential targets for drug discovery. For the development and improvement of inhibitors from the point of view of mechanistic enzymology, a cell-free protein synthesis system would be advantageous, since it could prepare mutant proteins easily. However, especially in the case of protein kinase, product solubility remains one of the major challenges. To overcome this problem, we prepared a chaperone-supplemented extract from Escherichia coli BL21 cells harboring a plasmid encoding a set of chaperone genes, dnaK, dnaJ, and grpE...
May 21, 2018: Protein Expression and Purification
https://www.readbyqxmd.com/read/29793018/image-fusion-and-3d-roadmapping-in-endovascular-surgery
#3
Douglas W Jones, Lars Stangenberg, Nicholas J Swerdlow, Matthew Alef, Ruby Lo, Fahad Shuja, Marc L Schermerhorn
Practitioners of endovascular surgery have historically utilized two-dimensional (2D) intraoperative fluoroscopic imaging, with intra-vascular contrast opacification, to treat complex three-dimensional (3D) pathology. Recently, major technical developments in intraoperative imaging have made image fusion techniques possible: the creation of a 3D patient-specific vascular roadmap based on preoperative imaging which aligns with intraoperative fluoroscopy, with many potential benefits. First, a 3D model is segmented from preoperative imaging, typically a CT scan...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29793001/health-literacy-in-chronic-disease-management-a-matter-of-interaction
#4
Iris van der Heide, Iraj Poureslami, Wayne Mitic, Jessica Shum, Irving Rootman, J Mark FitzGerald
Health literacy plays a crucial role in chronic disease management. To comprehensively manage chronic conditions on a daily basis, individuals must be able to assess, understand, evaluate and use health information. Several key publications emphasise that health literacy is not merely a matter of individual skills, but that it is highly dependent on the accessibility of healthcare systems, the communication skills of healthcare professionals, and the level of complexity of health information. However, the literature indicates that health literacy is mainly framed and measured as an individual attribute in research...
May 21, 2018: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/29792989/novel-genotypes-and-multilocus-genotypes-of-enterocytozoon-bieneusi-in-pigs-in-northwestern-china-a-public-health-concern
#5
Sha-Sha Wang, Jun-Qiang Li, Yun-Hui Li, Xiang-Wei Wang, Xian-Chen Fan, Xin Liu, Zi-Juan Li, Jun-Ke Song, Long-Xian Zhang, Guang-Hui Zhao
Enterocytozoon bieneusi, the most important and common microsporidian species, inhabits in most animals and humans causing diarrhea and systemic diseases. The objectives of the present study were to examine the prevalence and genetic variability of E. bieneusi in pigs in Shaanxi province, northwestern China. A total of 560 pig faecal samples were collected from five different farms in Shaanxi province and molecularly characterized using multilocus genotyping (MLST) technology. High E. bieneusi infection rate (78...
May 21, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29792985/novel-excipients-regulatory-challenges-and-perspectives-the-eu-insight
#6
Piotr Kozarewicz, Thorsteinn Loftsson
Novel excipients are indispensable in development of modern, advanced drug delivery systems and biotechnology-derived drugs. Although numerous novel excipients are developed for pharmaceutical use, they are not frequently seen in medicinal products due to the strict regulatory requirements and perception that their use makes new product evaluation more complex with risk of delays in the approval process. Regulators regard novel excipients as new substances and whenever new excipient is used in a formulation it must be subjected to full evaluation, similarly to the one required for new active substance...
May 21, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29792856/comparison-of-the-3-d-patterns-of-the-parasympathetic-nervous-system-in-the-lung-at-late-developmental-stages-between-mouse-and-chicken
#7
Tadayoshi Watanabe, Ryo Nakamura, Yuta Takase, Etsuo A Susaki, Hiroki R Ueda, Ryosuke Tadokoro, Yoshiko Takahashi
Although the basic schema of the body plan is similar among different species of amniotes (mammals, birds, and reptiles), the lung is an exception. Here, anatomy and physiology are considerably different, particularly between mammals and birds. In mammals, inhaled and exhaled airs mix in the airways, whereas in birds the inspired air flows unidirectionally without mixing with the expired air. This bird-specific respiration system is enabled by the complex tubular structures called parabronchi where gas exchange takes place, and also by the bellow-like air sacs appended to the main part of the lung...
May 21, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29792819/distinct-mechanisms-of-transcription-initiation-by-rna-polymerases-i-and-ii
#8
Christoph Engel, Simon Neyer, Patrick Cramer
RNA polymerases I and II (Pol I and Pol II) are the eukaryotic enzymes that catalyze DNA-dependent synthesis of ribosomal RNA and messenger RNA, respectively. Recent work shows that the transcribing forms of both enzymes are similar and the fundamental mechanisms of RNA chain elongation are conserved. However, the mechanisms of transcription initiation and its regulation differ between Pol I and Pol II. Recent structural studies of Pol I complexes with transcription initiation factors provided insights into how the polymerase recognizes its specific promoter DNA, how it may open DNA, and how initiation may be regulated...
May 20, 2018: Annual Review of Biophysics
https://www.readbyqxmd.com/read/29792818/substrate-induced-formation-of-ribosomal-decoding-center-for-accurate-and-rapid-genetic-code-translation
#9
Michael Y Pavlov, Måns Ehrenberg
Accurate translation of genetic information is crucial for synthesis of functional proteins in all organisms. We use recent experimental data to discuss how induced fit affects accuracy of initial codon selection on the ribosome by aminoacyl transfer RNA in ternary complex ( T3 ) with elongation factor Tu (EF-Tu) and guanosine-5'-triphosphate (GTP). We define actual accuracy ([Formula: see text]) of a particular protein synthesis system as its current accuracy and the effective selectivity ([Formula: see text]) as [Formula: see text] in the limit of zero ribosomal binding affinity for T3 ...
May 20, 2018: Annual Review of Biophysics
https://www.readbyqxmd.com/read/29792810/optogenetic-inhibition-of-g%C3%AE-q-protein-signaling-reduces-calcium-oscillation-stochasticity
#10
Pimkhuan Hannanta-Anan, Brian Y Chow
As fast terminators of G-protein coupled receptor (GPCR) signaling, regulators of G-protein signaling (RGS) serve critical roles in fine-tuning second messenger levels and, consequently, cellular responses to external stimuli. Here, we report the creation of an optogenetic RGS2 (opto-RGS2) that suppresses agonist-evoked calcium oscillations by the inactivation of Gαq protein. In this system, cryptochrome-mediated hetero-dimerization of the catalytic RGS2-box with its N-terminal amphipathic helix reconstitutes a functional membrane-localized complex that can dynamically suppress store-operated release of calcium...
May 24, 2018: ACS Synthetic Biology
https://www.readbyqxmd.com/read/29792698/site-selective-switching-strategies-to-functionalize-polyazines
#11
Ryan D Dolewski, Patrick J Fricke, Andrew McNally
Many drug fragments and therapeutic compounds contain multiple pyridines and diazines. Developing site-selective reactions where specific C-H bonds can be transformed in polyazine structures would enable rapid access to valuable derivatives. We present a study that addresses this challenge by selectively installing a phosphonium ion as a versatile functional handle. Inherent factors that control site-selectivity are described along with mechanistically driven approaches for site-selective switching, where the C-+PPh3 group can be predictably installed at other positions in the polyazine system...
May 24, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29792541/interaction-of-low-frequency-external-electric-fields-and-pancreatic-%C3%AE-cell-a-mathematical-modeling-approach-to-identify-the-influence-of-excitation-parameters
#12
Sajjad Farashi, Pezhman Sasanpour, Hashem Rafii-Tabar
Purpose-Although the effect of electromagnetic fields on biological systems has attracted attraction in recent years, there has not been any conclusive result concerning the effects of interaction and the underlying mechanisms involved. Besides the complexity of biological systems, the parameters of the applied electromagnetic field have not been estimated in most of the experiments. Material and Method-In this study, we have used computational approach in order to find the excitation parameters of an external electric field which produces sensible effects in the function of insulin secretory machinery, whose failure triggers the diabetes disease...
May 24, 2018: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/29792537/recognizing-quantifying-and-managing-patient-ventilator-asynchrony-in-invasive-and-noninvasive-ventilation
#13
Eugenio Garofalo, Andrea Bruni, Corrado Pelaia, Luisa Liparota, Nicola Lombardo, Federico Longhini, Paolo Navalesi
Patient-ventilator asynchrony may occur with modes of partial ventilatory support. Because this problem is associated with worsened outcomes, identifying and managing asynchronies has been recognized as a relevant clinical problem during both invasive and non-invasive (NIV) mechanical ventilation. Areas covered: In this review article, we first describe the different forms of patient-ventilator asynchrony and how they are classified and quantified. Then, we show how these asynchronies can be recognized, considering the techniques used to properly detect asynchronies, by either ventilator waveform observation, or through systems based on more complexes mathematical algorithms, by means of adjunctive signals, such as the electrical activity of the diaphragm or esophageal pressure...
May 24, 2018: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/29792460/the-complexity-diversity-and-science-of-primary-care-teams
#14
Kevin Fiscella, Susan H McDaniel
This article examines the past, present and future of primary care and teamwork. It begins with a definition and description of primary care-its uniqueness, diversity and complexity, including the historical role of teams within primary care. The article then reviews the emergence of innovative primary care teams, including those grounded in new processes such as the Patient-Centered Medical Home and interprofessional teams that include new types of health professionals, particularly psychologists and other integrated behavioral health clinicians...
May 2018: American Psychologist
https://www.readbyqxmd.com/read/29792459/teamwork-in-healthcare-key-discoveries-enabling-safer-high-quality-care
#15
Michael A Rosen, Deborah DiazGranados, Aaron S Dietz, Lauren E Benishek, David Thompson, Peter J Pronovost, Sallie J Weaver
Few industries match the scale of health care. In the United States alone, an estimated 85% of the population has at least 1 health care encounter annually and at least one quarter of these people experience 4 to 9 encounters annually. A single visit requires collaboration among a multidisciplinary group of clinicians, administrative staff, patients, and their loved ones. Multiple visits often occur across different clinicians working in different organizations. Ineffective care coordination and the underlying suboptimal teamwork processes are a public health issue...
May 2018: American Psychologist
https://www.readbyqxmd.com/read/29792456/teamwork-situated-in-multiteam-systems-key-lessons-learned-and-future-opportunities
#16
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/29792162/overlapping-but-distinct-topology-for-zebrafish-v2r-like-olfactory-receptors-reminiscent-of-odorant-receptor-spatial-expression-zones
#17
Gaurav Ahuja, Vera Reichel, Daniel Kowatschew, Adnan S Syed, Aswani Kumar Kotagiri, Yuichiro Oka, Franco Weth, Sigrun I Korsching
BACKGROUND: The sense of smell is unrivaled in terms of molecular complexity of its input channels. Even zebrafish, a model vertebrate system in many research fields including olfaction, possesses several hundred different olfactory receptor genes, organized in four different gene families. For one of these families, the initially discovered odorant receptors proper, segregation of expression into distinct spatial subdomains within a common sensory surface has been observed both in teleost fish and in mammals...
May 23, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29792126/neuropathological-profile-of-the-pentylenetetrazol-ptz-kindling-model
#18
E Samokhina, Alexander Samokhin
Epilepsy is a complex neurological disease characterized by spontaneous episodes of abnormal, simultaneous firing of a neuronal population and disturbances of consciousness (so-called seizures) of unknown cause. Antiepileptic drugs are only symptomatic treatment, and there is a strong demand for the search of an alternative treatment of epilepsy. For this purpose, animal models of epilepsy are an important prerequisite. There are various animal models with chronic brain dysfunctions thought to reflect the processes underlying human epilepsy...
May 23, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29792028/in-situ-structural-elucidation-and-selective-pb2-ion-recognition-of-polydopamine-film-formed-by-controlled-electrochemical-oxidation-of-dopamine
#19
K S Shalini Devi, Sharu Jacob, Annamalai Senthil Kumar
Owing to the versatility and biocompatibility, a self-polymerized DA (in presence of air at pH 8.5 tris buffer solution) as a polydopamine (pDA) film has been used for a variety of applications. Indeed, instability under electrified condition (serious surface-fouling) and structural ambiguity of the pDA have been found to be unresolved problems. Previously, pDA films (has hygroscopic and insoluble property) prepared by various controlled chemical oxidation methods have been examined for the structural analysis using ex-situ solid-state NMR and Mass Spectroscopic techniques...
May 24, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29791948/multiple-sclerosis
#20
Bassem I Yamout, Raed Alroughani
Multiple sclerosis (MS) is a chronic central nervous system inflammatory disease of autoimmune etiology, mediated by activated T cells with evolving evidence of a significant contribution from B cells and cells of the innate immune system. The disease is thought to be due to a complex interaction between different genetic and environmental factors. The prevalence of MS is rising all over the world, due on one hand to earlier diagnosis and prolonged survival, and on the other to a true increase in incidence of the disease...
April 2018: Seminars in Neurology
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