270 research outputs found

    Exploraty factor structural model of the intangible assets in knowledge creating organization

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    The psychological studies of organizations, about human capital, have shown that this factor increases to the extent that the environmental demands are intensified, but it is the intellectual trait that acquires the greatest value when considered as the main intangible asset. of an organization.In this way, the objective of this paper was to expose the theoretical, conceptual and empirical frameworks related to human capital in order to establish discussion scenarios related to the value chain of an organization based on its intangible assets.A documentary study was carried out with a non-probabilistic selection of sources indexed to repositories such asDialnet,Latindex,Publindex, Redalyc and Scielo, considering the year of publication and relationship between the concepts of organization and human capital.There are lines of research around empathy, trust, commitment, satisfaction and happiness as inherent factors ofhumancapitalas an intellectual asset of an organization

    Diseño y validación de una escala para evaluar el aprendizaje-servicio universitario en actividad física y deporte

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    The interest that Service-Learning is having in the framework of HigherEducation encourages verification of its effects on university education. Forthis purpose, we need rigorous and reliable tools that help us measure theimpact of these training proposals from a comprehensive approach. Thisarticle describes the process for the design and validation of an instrumentthat allows us to assess the evaluation of the perception of universitystudents regarding Service-Learning in Physical Activity and Sport and howthey contribute to their learning. For the construction of the instrument, abibliographic review was carried out related to the proposed objective. Forvalidation, 200 students from five Spanish universities who had participatedduring the 2017/2018 and 2018/2019 courses in some experience of Service-Learning in Physical Activity with groups at a disadvantage were included.Content validation was developed by six experts. A confirmatory factoranalysis was carried out to assess the theoretical dimension structureproposed for the scale and the internal consistency of the global scale andeach of its dimensions was checked. The results confirm the adequacy ofthe chosen structural model (RMSEA = .08) and the reliability of the scale(α = .95) and of each of its dimensions (α between .68 and .86). It is concludedthat the scale is valid for measuring students’ perception of participation inUniversity Service-Learning experiences and their contribution to learningand personal and social development. In addition, it will allow us to objectifyand validate the specific effects that this pedagogical approach has in itseducational, professional, personal and community aspect.El interés que está teniendo el Aprendizaje-Servicio en el marco de la Educación Superior incita a comprobar sus efectos en la formación universitaria. Para ello se precisa de herramientas rigurosas y fiables que ayuden a medir el impacto de estas propuestas formativas desde un enfoque integral. Eneste artículo se describe el proceso de diseño y validación de un instrumento que permita evaluar la percepción de los estudiantes universitarios sobre el Aprendizaje-Servicio en Actividad Física y Deporte y cómo contribuyen a su aprendizaje. Para la construcción del instrumento se realizó una revisión bibliográfica relacionada con el objetivo propuesto. Para su validación se contó con 200 estudiantes de cinco universidades españolas, que participaron  durante los cursos 2017/2018 y 2018/2019 en alguna experiencia de Aprendizaje-Servicio en Actividad Física con colectivos en situación de desventaja. La validación de contenido fue llevada a cabo por seis expertos. Se realizó un análisis factorial confirmatorio para valorar la estructura de dimensiones teóricas propuesta para la escala y se comprobó la consistencia interna de la escala global y de cada una de sus dimensiones. Los resultados confirman la adecuación del modelo estructural elegido (RMSEA= .08) y la fiabilidad de la escala (α = .95) y de cada una de sus dimensiones (α entre .68 y .86).  Se concluye que laescala es válida para medir la percepción del alumnado sobre la participación en experiencias de Aprendizaje-Servicio Universitario y su contribución al aprendizaje y desarrollo personal y social. Además, nos permitirá objetivar y validar los efectos concretos que tiene este enfoque pedagógico en su dimensión formativa, profesional, personal y comunitaria

    Genealogy of human capital governance

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    The psychological studies of organizations, about human capital, have shown that this factor increases to the extent that the environmental demands are intensified, but it is the intellectual trait that acquires the greatest value when considered as the main intangible asset. of an organization. In this way, the objective of this paper was to expose the theoretical, conceptual and empirical frameworks related to human capital to establish discussion scenarios related to the value chain of an organization based on its intangible assets. A documentary study was carried out with a non-probabilistic selection of sources indexed to repositories such as Dialne , Latindex, Publindex, Redalyc and Scielo , considering the year of publication and relationship between the concepts of organization and human capital. There are lines of research around empathy, trust, commitment, satisfaction and happiness as inherent factors of human capital as an intellectual asset of an organization

    Modelo de activos y capitales intangibles en las organizaciones

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    Los estudios psicológicos de las organizaciones, en lo concerniente al capital humano, han demostrado que este factor se incrementa en la medida en que rasgo intelectual el que cobra mayor valor al considerarse como el principal activo intangible de una organización. De este modo, el objetivo del presente trabajo fue exponer los marcos teóricos, conceptuales y empíricos relativos al capital discusión relativos a la cadena de valor de una organización en función de sus activos intangibles. Se llevó a cabo un estudio documental con una selección no probabilística de fuentes indexadas a repositorios, tales como Dialnet, Latindex y Redalyc, considerando año de publicación y relación entre los conceptos de organización y capital human

    Material docente con un enfoque práctico dirigido a la caracterización de compuestos inorgánicos

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    Se han elaborado una coleccón de ejercicios utilizando las técnicas de caracterizacion de materiales inorgánicos Además se incluyen un tutorial en el que se dirige al estudiante como es la manera de identificar las bandas caracteristicas de los compuestos, y tambien hay conocimientos generales de EDS. Los ejercicios propuestos tambien se presentan resueltos paso a paso para que se puedan seguir de manera sencilla su desarrollo

    Beneficial Effects of Mifepristone Treatment in Patients with Breast Cancer Selected by the Progesterone Receptor Isoform Ratio: Results from the MIPRA Trial

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    Purpose: Preclinical data suggest that antiprogestins inhibit the growth of luminal breast carcinomas that express higher levels of progesterone receptor isoform A (PRA) than isoform B (PRB). Thus, we designed a pre-surgical window of opportunity trial to determine the therapeutic effects of mifepristone in patients with breast cancer based on their high PRA/PRB isoform ratio (MIPRA; NCT02651844).Patients and methods: Twenty patients with luminal breast carcinomas with PRA/PRB>1.5 (determined by western blots), and PR ≥50%, naive from previous treatment, were included for mifepristone treatment (200 mg/day p.o.; 14 days). Core needle biopsies (CNB) and surgical samples were formalin-fixed for immunohistochemical studies, while others were snap-frozen to perform RNA-Seq, proteomics, and/or western blot studies. Plasma mifepristone levels were determined using mass spectrometry. The primary endpoint was the comparison of Ki67 expression pre- and post-treatment.Results: A 49.62% decrease in Ki67 staining was observed in all surgical specimens compared to baseline (p=0.0003). Using the prespecified response parameter (30% relative reduction), we identified 14/20 responders. Mifepristone induced an increase in tumor-infiltrating lymphocytes, a decrease in hormone receptor and pSer118ER expression, and an increase in calregulin, p21, p15, and activated caspase3 expression. RNA-Seq and proteomics studies identified downregulated pathways related to cell proliferation and upregulated pathways related to immune bioprocesses and extracellular matrix remodeling.Conclusions: Our results support the use of mifepristone in patients with luminal breast cancer with high PRA/PRB ratios. The combined effects of mifepristone and estrogen receptor modulators warrant clinical evaluation to improve endocrine treatment responsiveness in these patients.Fil: Elia, Andres Maximiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Saldain, Leo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Vanzulli, Silvia. Academia Nacional de Medicina de Buenos Aires; ArgentinaFil: Helguero, Luisa Alejandra. Universidade de Aveiro; PortugalFil: Lamb, Caroline Ana. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Fabris, Victoria Teresa. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Pataccini, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Martínez Vazquez, Paula. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Burruchaga, Javier. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Caillet Bois, Ines. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Spengler, EunicE. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Acosta Haab, Gabriela. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Liguori, Marcos Daniel. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Castets, Alejandra. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Lovisi, Silvia. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Abascal, Maria Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Novaro, Virginia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Sánchez, Jana. Centro Nacional de Investigaciones Oncológicas; EspañaFil: Muñoz, Javier. Centro Nacional de Investigaciones Oncológicas; EspañaFil: Belizán, José M.. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Abba, Martín Carlos. Universidad Nacional de La Plata. Facultad de Ciencias Médicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Gass, Hugo Daniel. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Magdalena Villegas de Martinez.; ArgentinaFil: Rojas, Paola Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; ArgentinaFil: Lanari, Claudia Lee Malvina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología y Medicina Experimental. Fundación de Instituto de Biología y Medicina Experimental. Instituto de Biología y Medicina Experimental; Argentin

    Risk and outcomes of COVID-19 in patients with multiple sclerosis

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    Background and purpose Limited information is available on incidence and outcomes of COVID-19 in patients with multiple sclerosis (MS). This study investigated the risks of SARS-CoV-2 infection and COVID-19-related outcomes in patients with MS, and compared these with the general population. Methods A regional registry was created to collect data on incidence, hospitalization rates, intensive care unit admission, and death in patients with MS and COVID-19. National government outcomes and seroprevalence data were used for comparison. The study was conducted at 14 specialist MS treatment centers in Madrid, Spain, between February and May 2020. Results Two-hundred nineteen patients were included in the registry, 51 of whom were hospitalized with COVID-19. The mean age ± standard deviation was 45.3 ± 12.4 years, and the mean duration of MS was 11.9 ± 8.9 years. The infection incidence rate was lower in patients with MS than the general population (adjusted incidence rate ratio = 0.78, 95% confidence interval [CI] = 0.70–0.80), but hospitalization rates were higher (relative risk = 5.03, 95% CI = 3.76–6.62). Disease severity was generally low, with only one admission to an intensive care unit and five deaths. Males with MS had higher incidence rates and risk of hospitalization than females. No association was found between the use of any disease-modifying treatment and hospitalization risk. Conclusions Patients with MS do not appear to have greater risks of SARS-CoV-2 infection or severe COVID-19 outcomes compared with the general population. The decision to start or continue disease-modifying treatment should be based on a careful risk–benefit assessment.post-print996 K

    HCV-coinfection is related to an increased HIV-1 reservoir size in cART-treated HIV patients: a cross-sectional study

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    In HIV-1/HCV-coinfected patients, chronic HCV infection leads to an increased T-lymphocyte immune activation compared to HIV-monoinfected patients, thereby likely contributing to increase HIV-1 reservoir that is the major barrier for its eradication. Our objective was to evaluate the influence of HCV coinfection in HIV-1 viral reservoir size in resting (r) CD4+ T-cells (CD25-CD69-HLADR-). Multicenter cross-sectional study of 97 cART-treated HIV-1 patients, including 36 patients with HIV and HCV-chronic co-infection without anti-HCV treatment, 32 HIV patients with HCV spontaneous clearance and 29 HIV-monoinfected patients. rCD4+ T-cells were isolated and total DNA was extracted. HIV viral reservoir was measured by Alu-LTR qPCR. Differences between groups were calculated with a generalized linear model. Overall, 63.9% were men, median age of 41 years and Caucasian. Median CD4+ and CD8+ T-lymphocytes were 725 and 858 cells/mm 3 , respectively. CD4+ T nadir cells was 305 cells/mm 3 . Proviral HIV-1 DNA size was significantly increased in chronic HIV/HCV-coinfected compared to HIV-monoinfected patients (206.21 ± 47.38 vs. 87.34 ± 22.46, respectively; P = 0.009), as well as in spontaneously clarified HCV co-infected patients when compared to HIV-monoinfected individuals (136.20 ± 33.20; P = 0.009). HIV-1/HCV co-infected patients showed a larger HIV-1 reservoir size in comparison to HIV-monoinfected individuals. This increase could lead to a greater complexity in the elimination of HIV-1 reservoir in HIV-1/HCV-coinfected individuals, which should be considered in the current strategies for the elimination of HIV-1 reservoir.Financial support was provided by the Instituto de Salud Carlos III to VB (PI15CIII/00031), by the Spanish Ministry of Economy and Competitiveness to MC (SAF2016–78480-R) and The SPANISH AIDS Research Network RD16CIII/0002/0001, RD16CIII/0002/0002 and RD16/0025/0013 - ISCIII – FEDER. MRLP is supported by ISCIII - Subdirección General de Evaluacion and European Funding for Regional Development (FEDER) (PIE 13/00040 and RD12/0017/0017 RETIC de SIDA). C.P. is supported by the Portuguese Fundação para a Ciência e Tecnologia (FCT) (grant number SFRH/ BPD/77448/2011 is part of the EDCTP2 programme supported by the European Union). V.B., A.F.R. and N.R. are supported by the Miguel Servet programme from Fondo de Investigación Sanitaria (ISCIII) (grant number CP13/00098, CP14/CIII/00010 and CP14/00198, respectively)
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