111 research outputs found
Effects of Media Ratings on Children and Adolescents: A Litmus Test of the Forbidden Fruit Effect
Media ratings serve to inform parents about and protect minors from violent or otherwise harmful media content. Most of these systems use age pictograms and content warning pictograms for entertainment products. An experiment was conducted to investigate whether these pictograms, contrary to their purpose, have an appealing effect on children and adolescents. Compared to prior studies into this ββforbidden fruit effectββ concerning DVDs and games, more realistic materials were used. In the experiment, 322 elementary school students (9β11 years) and 335 high school students (13β15 years) were exposed to 10 DVD or game covers and asked to judge the productsβ attractiveness. The results show that the pictograms did not increase the attractiveness of games and DVDs for children and adolescents
Triple Combination of Amantadine, Ribavirin, and Oseltamivir Is Highly Active and Synergistic against Drug Resistant Influenza Virus Strains In Vitro
The rapid emergence and subsequent spread of the novel 2009 Influenza A/H1N1 virus (2009 H1N1) has prompted the World Health Organization to declare the first pandemic of the 21st century, highlighting the threat of influenza to public health and healthcare systems. Widespread resistance to both classes of influenza antivirals (adamantanes and neuraminidase inhibitors) occurs in both pandemic and seasonal viruses, rendering these drugs to be of marginal utility in the treatment modality. Worldwide, virtually all 2009 H1N1 and seasonal H3N2 strains are resistant to the adamantanes (rimantadine and amantadine), and the majority of seasonal H1N1 strains are resistant to oseltamivir, the most widely prescribed neuraminidase inhibitor (NAI). To address the need for more effective therapy, we evaluated the in vitro activity of a triple combination antiviral drug (TCAD) regimen composed of drugs with different mechanisms of action against drug-resistant seasonal and 2009 H1N1 influenza viruses. Amantadine, ribavirin, and oseltamivir, alone and in combination, were tested against amantadine- and oseltamivir-resistant influenza A viruses using an in vitro infection model in MDCK cells. Our data show that the triple combination was highly synergistic against drug-resistant viruses, and the synergy of the triple combination was significantly greater than the synergy of any double combination tested (P<0.05), including the combination of two NAIs. Surprisingly, amantadine and oseltamivir contributed to the antiviral activity of the TCAD regimen against amantadine- and oseltamivir-resistant viruses, respectively, at concentrations where they had no activity as single agents, and at concentrations that were clinically achievable. Our data demonstrate that the TCAD regimen composed of amantadine, ribavirin, and oseltamivir is highly synergistic against resistant viruses, including 2009 H1N1. The TCAD regimen overcomes baseline drug resistance to both classes of approved influenza antivirals, and thus may represent a highly active antiviral therapy for seasonal and pandemic influenza
Las polΓticas de reequilibro territorial e innovaciΓ³n institucional en Madrid, 2015-2019
Lograr un mejor reparto de los recursos materiales es una tarea inseparable de una transformaciΓ³n institucional dirigida a un mejor reparto del poder y de la capacidad de decisiΓ³n. Es preciso reconfigurar las instituciones para redefinir la relaciΓ³n entre estas y la ciudadanΓa. El espacio de cooperaciΓ³n entre las instituciones pΓΊblicas y la sociedad civil organizada es un terreno privilegiado para lograr esa reconfiguraciΓ³n institucional. El Fondo de Reequilibrio Territorial se concibe como un primer paso en ese complejo camino y se relaciona con el proceso de descentralizaciΓ³n y con el concepto de cooperaciΓ³n pΓΊblico-social. Debe entenderse en relaciΓ³n con otros desarrollos institucionales, como el Consejo Coordinador de los Distritos o los Foros Locales. Una tarea de estas caracterΓsticas no puede realizarse desde un solo espacio institucional y en un solo mandato, pero en todo caso debe hacerse contando con la firme voluntad y direcciΓ³n polΓtica del equipo de gobierno que quiera desempeΓ±arla. El gobierno es una herramienta formidable para emprender un proceso de reequilibrio territorial, pero aun cuando no hay en el mismo voluntad polΓtica en este sentido existen posibilidades para estimular o condicionar la voluntad del equipo de gobierno: articular un amplio pacto entre los actores polΓticos, sociales, econΓ³micos, acadΓ©micos, etc. que ponga la cuestiΓ³n en el centro de la agenda polΓtica y eleve hasta lo impagable el coste polΓtico de seguir dando la espalda a una cuestiΓ³n crucial para el futuro de la democracia.Lograr un mejor reparto de los recursos materiales es una tarea inseparable de una transformaciΓ³n institucional dirigida a un mejor reparto del poder y de la capacidad de decisiΓ³n. Es preciso reconfigurar las instituciones para redefinir la relaciΓ³n entre estas y la ciudadanΓa. El espacio de cooperaciΓ³n entre las instituciones pΓΊblicas y la sociedad civil organizada es un terreno privilegiado para lograr esa reconfiguraciΓ³n institucional.El Fondo de Reequilibrio Territorial se concibe como un primer paso en ese complejo camino y se relaciona con el proceso de descentralizaciΓ³n y con el concepto de cooperaciΓ³n pΓΊblico-social. Debe entenderse en relaciΓ³n con otros desarrollos institucionales, como el Consejo Coordinador de los Distritos o los Foros Locales. Una tarea de estas caracterΓsticas no puede realizarse desde un solo espacio institucional y en un solo mandato, pero en todo caso debe hacerse contando con la firme voluntad y direcciΓ³n polΓtica del equipo de gobierno que quiera desempeΓ±arla. El gobierno es una herramienta formidable para emprender un proceso de reequilibrio territorial, pero aun cuando no hay en el mismo voluntad polΓtica en este sentido existen posibilidades para estimular o condicionar la voluntad del equipo de gobierno: articular un amplio pacto entre los actores polΓticos, sociales, econΓ³micos, acadΓ©micos, etc. que ponga la cuestiΓ³n en el centro de la agenda polΓtica y eleve hasta lo impagable el coste polΓtico de seguir dando la espalda a una cuestiΓ³n crucial para el futuro de la democracia
Determinants of the Use of a Diabetes Risk-Screening Test
A study was designed to investigate why people do or do not make use of a diabetes risk test developed to facilitate the timely diagnosis of diabetes. Data were collected using a web-based questionnaire, which was based on the Health Belief Model, the Theory of Planned Behavior, and the Threatening Medical Situations Inventory. People who had and had not used the risk test were recruited to complete the survey. The sample consisted of 205 respondents: 44% who had used the test and 56% who had not. The hypothesized relationships between the dependent variable (diabetes risk test use) and the determinants used in this study were tested using logistic regression analysis. Only two significant predictors of diabetes risk test use were found: gender and barriers. More women than men use the test. Furthermore, people who experience more barriers will be less inclined to use the test. The contribution of diabetes screening tests fully depends on peopleβs willingness to use them. To optimize the usage of such test, it is especially important to address the barriers as perceived by the public. Two types of barriers must be addressed: practical barriers (time to take the test, fear of complexity of the test), and consequential barriers (fear of the disease and treatment, uncertainties about where to go in the case of an increased risk of diabetes)
Efficacy of Combined Therapy with Amantadine, Oseltamivir, and Ribavirin In Vivo against Susceptible and Amantadine-Resistant Influenza A Viruses
The limited efficacy of existing antiviral therapies for influenza β coupled with widespread baseline antiviral resistance β highlights the urgent need for more effective therapy. We describe a triple combination antiviral drug (TCAD) regimen composed of amantadine, oseltamivir, and ribavirin that is highly efficacious at reducing mortality and weight loss in mouse models of influenza infection. TCAD therapy was superior to dual and single drug regimens in mice infected with drug-susceptible, low pathogenic A/H5N1 (A/Duck/MN/1525/81) and amantadine-resistant 2009 A/H1N1 influenza (A/California/04/09). Treatment with TCAD afforded >90% survival in mice infected with both viruses, whereas treatment with dual and single drug regimens resulted in 0% to 60% survival. Importantly, amantadine had no activity as monotherapy against the amantadine-resistant virus, but demonstrated dose-dependent protection in combination with oseltamivir and ribavirin, indicative that amantadine's activity had been restored in the context of TCAD therapy. Furthermore, TCAD therapy provided survival benefit when treatment was delayed until 72 hours post-infection, whereas oseltamivir monotherapy was not protective after 24 hours post-infection. These findings demonstrate in vivo efficacy of TCAD therapy and confirm previous reports of the synergy and broad spectrum activity of TCAD therapy against susceptible and resistant influenza strains in vitro
Commitment with or without a stick of paid work: Comparison of paid and unpaid workers in a nonprofit organization
Effects of Media Ratings on Children and Adolescents: A Litmus Test of the Forbidden Fruit Effect
Informing epidemic (research) responses in a timely fashion by knowledge management - a Zika virus use case
The response of pathophysiological research to emerging epidemics often occurs after the epidemic and, as a consequence, has little to no impact on improving patient outcomes or on developing high-quality evidence to inform clinical management strategies during the epidemic. Rapid and informed guidance of epidemic (research) responses to severe infectious disease outbreaks requires quick compilation and integration of existing pathophysiological knowledge. As a case study we chose the Zika virus (ZIKV) outbreak that started in 2015 to develop a proof-of-concept knowledge repository. To extract data from available sources and build a computationally tractable and comprehensive molecular interaction map we applied generic knowledge management software for literature mining, expert knowledge curation, data integration, reporting and visualization. A multi-disciplinary team of experts, including clinicians, virologists, bioinformaticians and knowledge management specialists, followed a pre-defined workflow for rapid integration and evaluation of available evidence. While conventional approaches usually require months to comb through the existing literature, the initial ZIKV KnowledgeBase (ZIKA KB) was completed within a few weeks. Recently we updated the ZIKA KB with additional curated data from the large amount of literature published since 2016 and made it publicly available through a web interface together with a step-by-step guide to ensure reproducibility of the described use case. In addition, a detailed online user manual is provided to enable the ZIKV research community to generate hypotheses, share knowledge, identify knowledge gaps, and interactively explore and interpret data. A workflow for rapid response during outbreaks was generated, validated and refined and is also made available. The process described here can be used for timely structuring of pathophysiological knowledge for future threats. The resulting structured biological knowledge is a helpful tool for computational data analysis and generation of predictive models and opens new avenues for infectious disease research. ZIKV Knowledgebase is available at www.zikaknowledgebase.eu
Highly Pathogenic Avian Influenza Virus H5N1 Infects Alveolar Macrophages without Virus Production or Excessive TNF-Alpha Induction
Highly pathogenic avian influenza virus (HPAIV) of the subtype H5N1 causes severe, often fatal pneumonia in humans. The pathogenesis of HPAIV H5N1 infection is not completely understood, although the alveolar macrophage (AM) is thought to play an important role. HPAIV H5N1 infection of macrophages cultured from monocytes leads to high percentages of infection accompanied by virus production and an excessive pro-inflammatory immune response. However, macrophages cultured from monocytes are different from AM, both in phenotype and in response to seasonal influenza virus infection. Consequently, it remains unclear whether the results of studies with macrophages cultured from monocytes are valid for AM. Therefore we infected AM and for comparison macrophages cultured from monocytes with seasonal H3N2 virus, HPAIV H5N1 or pandemic H1N1 virus, and determined the percentage of cells infected, virus production and induction of TNF-alpha, a pro-inflammatory cytokine. In vitro HPAIV H5N1 infection of AM compared to that of macrophages cultured from monocytes resulted in a lower percentage of infected cells (up to 25% vs up to 84%), lower virus production and lower TNF-alpha induction. In vitro infection of AM with H3N2 or H1N1 virus resulted in even lower percentages of infected cells (up to 7%) than with HPAIV H5N1, while virus production and TNF-alpha induction were comparable. In conclusion, this study reveals that macrophages cultured from monocytes are not a good model to study the interaction between AM and these influenza virus strains. Furthermore, the interaction between HPAIV H5N1 and AM could contribute to the pathogenicity of this virus in humans, due to the relative high percentage of infected cells rather than virus production or an excessive TNF-alpha induction
Viral Etiology of Encephalitis in Children in Southern Vietnam: Results of a One-Year Prospective Descriptive Study
Viral encephalitis is associated with high morbidity and mortality in Vietnam. However little is known about the causes of the disease due to a lack of diagnostic facilities in this relatively resource-poor setting. Knowledge about the etiologies and clinical outcome of viral encephalitis is necessary for future design of intervention studies targeted at improvement of clinical management, treatment and prevention of the disease. We report the viral agents, clinical outcome and prognostic factors of mortality of encephalitis in children admitted to a referral hospital for children in southern Vietnam. We show that about one third of the enrolled patients die acutely, and that mortality is independently associated with patient age and Glasgow Coma Scale on admission. Japanese encephalitis, dengue virus and enterovirus (including enterovirus 71) are the major viruses detected in our patients. However, more than half of the patients remain undiagnosed, while mortality in this group is as high as in the diagnosed group. This study will benefit clinicians and public health in terms of clinical management and prevention of childhood encephalitis in Vietnam
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