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https://www.readbyqxmd.com/read/27922182/retinoid-derivative-tp80-exhibits-anti-hepatitis-c-virus-activity-through-restoration-of-gi-gpx-expression
#1
Nguyen Bao Ngoc, Yukiko Okuno, Masahiko Ajiro, Kei Iida, Masatsugu Denawa, Makoto Yamamoto, Naoya Sakamoto, Hiroyuki Kagechika, Masatoshi Hagiwara
Hepatitis C virus (HCV) is a positive-sense single-stranded RNA virus with an estimated infection in ∼180 million people worldwide, and its chronic infection leads to development of cirrhosis and hepatocellular carcinoma. Although recent development of direct acting antiviral (DAA) compounds improved anti-HCV regimens, alternative therapeutic compounds are still demanded due to an expected emergence of escape mutants for those DAAs. In order to identify novel anti-HCV agents, we conducted chemical library screening for 2,086 compounds using HCV Rep-Feo reporter replicon in Huh7 hepatoma cells...
December 6, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27922142/prevalence-and-risk-factors-of-caregiver-dependence-among-older-adults-in-a-southeast-asian-population
#2
Louisa Picco, Edimansyah Abdin, Janhavi A Vaingankar, Shirlene Pang, Saleha Shafie, Rajeswari Sambasivam, Siow Ann Chong, Mythily Subramaniam
INTRODUCTION: Currently very little is known about the prevalence or magnitude of caregiver dependence in Singapore and thus, there is a need to fill this gap in this multiethnic ageing population. This study aims to determine the prevalence and risk factors of caregiver dependence among older adults in Singapore. MATERIALS AND METHODS: Data were used from the Well-being of the Singapore Elderly (WiSE) study, a nationally representative, cross-sectional survey among Singapore residents aged 60 years and above...
November 2016: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/27922115/perilipin-5-fine-tunes-lipid-oxidation-to-metabolic-demand-and-protects-against-lipotoxicity-in-skeletal-muscle
#3
Claire Laurens, Virginie Bourlier, Aline Mairal, Katie Louche, Pierre-Marie Badin, Etienne Mouisel, Alexandra Montagner, André Marette, Angelo Tremblay, John S Weisnagel, Hervé Guillou, Dominique Langin, Denis R Joanisse, Cedric Moro
Lipid droplets (LD) play a central role in lipid homeostasis by controlling transient fatty acid (FA) storage and release from triacylglycerols stores, while preventing high levels of cellular toxic lipids. This crucial function in oxidative tissues is altered in obesity and type 2 diabetes. Perilipin 5 (PLIN5) is a LD protein whose mechanistic and causal link with lipotoxicity and insulin resistance has raised controversies. We investigated here the physiological role of PLIN5 in skeletal muscle upon various metabolic challenges...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921355/catalysis-driven-self-thermophoresis-of-janus-plasmonic-nanomotors
#4
Weiwei Qin, Tianhuan Peng, Yanjing Gao, Fei Wang, Xiaocai Hu, Kun Wang, Jiye Shi, Di Li, Jicun Ren, Chunhai Fan
It is highly demanding to design active nanomotors that can move in response to specific signals with controllable rate and direction. A catalysis-driven nanomotor was constructed by designing catalytically and plasmonically active Janus gold nanoparticles (Au NPs), which generate an asymmetric temperature gradient of local solvent surrounding NPs in catalytic reactions. The self-thermophoresis behavior of the Janus nanomotor is monitored from its inherent plasmonic response. The diffusion coefficient of the self-thermophoresis motion is linearly dependent on chemical reaction rate, as described by a stochastic model...
December 6, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27921329/preventive-dental-visiting-a-critical-interpretive-synthesis-of-theory-explaining-how-inequalities-arise
#5
Rebecca V Harris, Andrew Pennington, Margaret Whitehead
BACKGROUND: In many countries, those with lower socioeconomic status are disproportionately affected by poor oral health. This can be attributed, at least in part, to differences in preventive dental visiting. While several theories have been applied to the area, they generally fail to capture the recursive nature of dental visiting behaviour, and fall short of informing the design of complex interventions to tackle inequalities. OBJECTIVE: To undertake a systematic review and synthesis of theory in order to provide an overview of the pathways which bring about socioeconomic inequalities in early dental visiting, and identify possible intervention points...
December 6, 2016: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/27921256/impact-of-bridging-income-generation-with-group-integrated-care-bigpic-on-hypertension-and-diabetes-in-rural-western-kenya
#6
Sonak D Pastakia, Simon M Manyara, Rajesh Vedanthan, Jemima H Kamano, Diana Menya, Benjamin Andama, Cleophas Chesoli, Jeremiah Laktabai
BACKGROUND: Rural settings in Sub-Saharan Africa (SSA) consistently report low participation in non-communicable disease (NCD) treatment programs and poor outcomes. OBJECTIVE: The objective of this study is to assess the impact of the implementation of a patient-centered rural NCD care delivery model called Bridging Income Generation through grouP Integrated Care (BIGPIC). DESIGN: The study prospectively tracked participation and health outcomes for participants in a screening event and compared linkage frequencies to a historical comparison group...
December 5, 2016: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27921142/intra-population-variability-of-ocean-acidification-impacts-on-the-physiology-of-baltic-blue-mussels-mytilus-edulis-integrating-tissue-and-organism-response
#7
L S Stapp, J Thomsen, H Schade, C Bock, F Melzner, H O Pörtner, G Lannig
Increased maintenance costs at cellular, and consequently organism level, are thought to be involved in shaping the sensitivity of marine calcifiers to ocean acidification (OA). Yet, knowledge of the capacity of marine calcifiers to undergo metabolic adaptation is sparse. In Kiel Fjord, blue mussels thrive despite periodically high seawater PCO2, making this population interesting for studying metabolic adaptation under OA. Consequently, we conducted a multi-generation experiment and compared physiological responses of F1 mussels from 'tolerant' and 'sensitive' families exposed to OA for 1 year...
December 5, 2016: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/27921111/rapid-detection-of-hendra-virus-antibodies-an-integrated-device-with-nanoparticle-assay-and-chaotic-micromixing
#8
K Petkovic, G Metcalfe, H Chen, Y Gao, M Best, D Lester, Y Zhu
Current diagnosis of infectious diseases such as Hendra virus (HeV) relies mostly on laboratory-based tests. There is an urgent demand for rapid diagnosis technology to detect and identify these diseases in humans and animals so that disease spread can be controlled. In this study, an integrated lab-on-a-chip device using a magnetic nanoparticle immunoassay is developed. The key features of the device are the chaotic fluid mixing, achieved by magnetically driven motion of nanoparticles with the optimal mixing protocol developed using chaotic transport theory, and the automatic liquid handling system for loading reagents and samples...
December 6, 2016: Lab on a Chip
https://www.readbyqxmd.com/read/27920772/streptococcus-thermophilus-apc151-strain-is-suitable-for-the-manufacture-of-naturally-gaba-enriched-bioactive-yogurt
#9
Daniel M Linares, Tom F O'Callaghan, Paula M O'Connor, R P Ross, Catherine Stanton
Consumer interest in health-promoting food products is a major driving force for the increasing global demand of functional (probiotic) dairy foods. Yogurt is considered the ideal medium for delivery of beneficial functional ingredients. Gamma-amino-butyric acid has potential as a bioactive ingredient in functional foods due to its health-promoting properties as an anti-stress, anti-hypertensive, and anti-diabetic agent. Here, we report the use of a novel Streptococcus thermophilus strain, isolated from the digestive tract of fish, for production of yogurt naturally enriched with 2 mg/ml of gamma-amino-butyric acid (200 mg in a standard yogurt volume of 100 ml), a dose in the same range as that provided by some commercially available gamma-amino-butyric acid supplements...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27920757/advances-and-challenges-in-viability-detection-of-foodborne-pathogens
#10
REVIEW
Dexin Zeng, Zi Chen, Yuan Jiang, Feng Xue, Baoguang Li
Foodborne outbreaks are a serious public health and food safety concern worldwide. There is a great demand for rapid, sensitive, specific, and accurate methods to detect microbial pathogens in foods. Conventional methods based on cultivation of pathogens have been the gold standard protocols; however, they take up to a week to complete. Molecular assays such as polymerase chain reaction (PCR), sequencing, microarray technologies have been widely used in detection of foodborne pathogens. Among molecular assays, PCR technology [conventional and real-time PCR (qPCR)] is most commonly used in the foodborne pathogen detection because of its high sensitivity and specificity...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27920725/controlled-reperfusion-strategies-improve-cardiac-hemodynamic-recovery-after-warm-global-ischemia-in-an-isolated-working-rat-heart-model-of-donation-after-circulatory-death-dcd
#11
Emilie Farine, Petra Niederberger, Rahel K Wyss, Natalia Méndez-Carmona, Brigitta Gahl, Georg M Fiedler, Thierry P Carrel, Hendrik T Tevaearai Stahel, Sarah L Longnus
Aims: Donation after circulatory death (DCD) could improve cardiac graft availability, which is currently insufficient to meet transplant demand. However, DCD organs undergo an inevitable period of warm ischemia and most cardioprotective approaches can only be applied at reperfusion (procurement) for ethical reasons. We investigated whether modifying physical conditions at reperfusion, using four different strategies, effectively improves hemodynamic recovery after warm ischemia. Methods and Results: Isolated hearts of male Wistar rats were perfused in working-mode for 20 min, subjected to 27 min global ischemia (37°C), and 60 min reperfusion (n = 43)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27920438/the-role-of-nanotechnology-in-the-development-of-battery-materials-for-electric-vehicles
#12
REVIEW
Jun Lu, Zonghai Chen, Zifeng Ma, Feng Pan, Larry A Curtiss, Khalil Amine
A significant amount of battery research and development is underway, both in academia and industry, to meet the demand for electric vehicle applications. When it comes to designing and fabricating electrode materials, nanotechnology-based approaches have demonstrated numerous benefits for improved energy and power density, cyclability and safety. In this Review, we offer an overview of nanostructured materials that are either already commercialized or close to commercialization for hybrid electric vehicle applications, as well as those under development with the potential to meet the requirements for long-range electric vehicles...
December 6, 2016: Nature Nanotechnology
https://www.readbyqxmd.com/read/27920227/geographic-variation-of-plant-circadian-clock-function-in-natural-and-agricultural-settings
#13
Kathleen Greenham, Ping Lou, Joshua R Puzey, Ganesh Kumar, Cindy Arnevik, Hany Farid, John H Willis, C Robertson McClung
The increasing demand for improved agricultural production will require more efficient breeding for traits that maintain yield under heterogeneous environments. The internal circadian oscillator is essential for perceiving and coordinating environmental cues such as day length, temperature, and abiotic stress responses within physiological processes. To investigate the contribution of the circadian clock to local adaptability, we have analyzed circadian period by leaf movement in natural populations of Mimulus guttatus and domesticated cultivars of Glycine max We detected consistent variation in circadian period along a latitudinal gradient in annual populations of the wild plant and the selectively bred crop, and this provides novel evidence of natural and artificial selection for circadian performance...
December 5, 2016: Journal of Biological Rhythms
https://www.readbyqxmd.com/read/27919900/n-acetyl-l-cysteine-and-cysteamine-new-strategies-against-mixed-biofilms-of-non-encapsulated-streptococcus-pneumoniae-and-non-typeable-haemophilus-influenzae
#14
Mirian Domenech, Ernesto García
Acute otitis media, a polymicrobial disease of the middle ear cavity of children, is a significant public health problem worldwide. It is most frequently caused by encapsulated Streptococcus pneumoniae and non-typeable Haemophilus influenzae, although the widespread use of pneumococcal conjugate vaccines is apparently producing an increase in carriage of non-encapsulated S. pneumoniae Frequently, pneumococci and H. influenzae live together in the human nasopharynx forming a self-produced biofilm. Biofilms represent a global medical challenge since the inherent antibiotic resistance of their producers demands the use of high doses of antibiotics over prolonged periods...
December 5, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27919699/identification-of-different-shapes-colors-and-sizes-of-standard-oral-dosage-forms-in-diabetes-type-2-patients-a-pilot-study
#15
Sven Stegemann, Regina Riedl, Harald Sourij
The clear identification of drug products by the patients is essential for a safe and effective medication management. In order to understand the impact of shape, size and color on medication identification a study was performed in subjects with type 2 diabetes mellitus (T2D). Ten model drugs differentiated by shape, size and color were evaluated using a mixed method of medication schedule preparation by the participants followed by a semi-structured interview. Detection times were fastest for the large round tablet shape and the bi-chromatic forms...
December 2, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27919677/an-individual-differences-approach-to-multiple-target-visual-search-errors-how-search-errors-relate-to-different-characteristics-of-attention
#16
Stephen H Adamo, Matthew S Cain, Stephen R Mitroff
Multiple-target visual searches, where more than one target can be present within a single search array, are especially error-prone such that a second target is more likely to be missed after a first target has been detected. Increasingly, evidence supports a resource depletion account of these errors-a first target consumes attentional resources leaving fewer available to process a second target. However, "attention" is broadly defined and is composed of many different characteristics, leaving considerable uncertainty about how attention affects second-target detection...
December 2, 2016: Vision Research
https://www.readbyqxmd.com/read/27919474/a-study-of-cognitive-fatigue-in-multiple-sclerosis-with-novel-clinical-and-electrophysiological-parameters-utilizing-the-event-related-potential-p300
#17
Somasundaram Aadhimoolam Chinnadurai, Srinivasan Avathvadi Venkatesan, Gobinathan Shankar, Balasubramanian Samivel, Lakshmi Narasimhan Ranganathan
BACKGROUND: Although cognitive fatigue plays a significant part in Multiple Sclerosis (MS) related impairment, knowledge regarding it is largely lacking. Until now, not many tools are available to a clinician to detect cognitive fatigue. The subjective tools of fatigue have never been reliable.tabl OBJECTIVES: To assess the prevalence and clinical/ demographic profile of cognitive fatigue in MS using novel clinical and electrophysiological measures and to find their accuracy. We also aimed to test the three leading hypotheses - the temporal fatigue, cognitive load and cognitive domain hypotheses of cognitive fatigue in MS...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27919399/a-literature-review-for-large-scale-health-information-system-project-planning-implementation-and-evaluation
#18
REVIEW
Judith Sligo, Robin Gauld, Vaughan Roberts, Luis Villa
Information technology is perceived as a potential panacea for healthcare organisations to manage pressure to improve services in the face of increased demand. However, the implementation and evaluation of health information systems (HIS) is plagued with problems and implementation shortcomings and failures are rife. HIS implementation is complex and relies on organisational, structural, technological, and human factors to be successful. It also requires reflective, nuanced, multidimensional evaluation to provide ongoing feedback to ensure success...
January 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/27919381/consumer-choice-of-on-demand-mhealth-app-services-context-and-contents-values-using-structural-equation-modeling
#19
Euehun Lee, Semi Han, Sang Hyun Jo
OBJECTIVE: As smartphone penetration increases and the technology advances, various mobile services have reached the market. mHealth Applications are specifically highlighted for phenomena such as global aging & well-being, but the technology-driven mHealth services have not been successful in the market because consumer needs have not been reflected in the services properly. This study developed a research model consisting of context/contents values to explain the intention of consumers over the age of 40 in using mHealth Applications...
January 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/27919314/advances-in-the-neuroscience-of-intelligence-from-brain-connectivity-to-brain-perturbation
#20
Emiliano Santarnecchi, Simone Rossi
Our view is that intelligence, as expression of the complexity of the human brain and of its evolutionary path, represents an intriguing example of "system level brain plasticity": tangible proofs of this assertion lie in the strong links intelligence has with vital brain capacities as information processing (i.e., pure, rough capacity to transfer information in an efficient way), resilience (i.e., the ability to cope with loss of efficiency and/or loss of physical elements in a network) and adaptability (i...
December 6, 2016: Spanish Journal of Psychology
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