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Search Results: 1 - 10 of 32124 matches for " Ana Gueimonde; Cantorna "
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éxito empresarial y género en turismo rural
Diéguez Castrillón,María Isabel; Canto,Ana Gueimonde; Cantorna,Ana I. Sinde;
Revista Encontros Científicos - Tourism & Management Studies , 2010,
Abstract: the purpose of this paper is to analyse the relationship between business success and gender in the field of rural tourism in galicia (spain), employing financial (or economic) and non-financial elements as factors for success. the small size of the field for research allows control of structural factors (industry, location and company size), employed by the existing literature to explain the relationship between business success and gender. the paper provides new knowledge about this relationship in a rural environment, with specific industry characteristics related to diversification, small size and owner motivation. the findings suggest the existence of a significant relationship between gender and success, measuring success with both subjective measures (related to profit orientation) and objective measures, related to employment. the perception of success appears to be higher for women, with significant gender differences.
La incidencia de las características empresariales y del sector oferta en la difusión del diesel y del acero en el sector pesquero gallego
Ana I. Sinde Cantorna,María Isabel Diéguez Catrillón,Ana Gueimonde Canto
Revista Galega de Economía , 2007,
Abstract: El objetivo de este trabajo es el de formular un modelo que recoja los factores que determinan la adopción de nuevas tecnologías en el sector pesquero. Para estimar dicho modelo usamos datos de corte transversal obtenidos a partir de las listas oficiales de buques para el período 1931-1961. Estimamos un modelo de regresión logística para establecer qué características empresariales efectos de rango y del sector oferta implican una mayor probabilidad de adopción. Los principales resultados obtenidos el tama o y la experiencia previa de la empresa proveedora inciden de forma significativa en la probabilidad de adopción, lo que pone de manifesto la importancia de incluir en los modelos no sólo al sector demandante sino también al oferente.
Relaciones de poder en el sistema de valor: aplicación empírica en la cadena de la madera de Galicia y del país vasco
Ana Gueimonde Canto,Isabel Diéguez Castrillón,Ana Isabel Sinde Cantorna
Revista Galega de Economía , 2007,
Abstract: Este trabajo examina las relaciones de poder interempresarial que se manifiestan en un subsistema de empresas configurado como sistema de valor. El objetivo de la investigación es doble: caracterizar las estructuras de poder asimétrico que se desarrollan en este marco e investigar la influencia del poder interempresarial sobre el rendimiento organizativo. La evidencia empírica se obtuvo del sector del aserrado de la madera de Galicia y del País Vasco. Sobre estos datos, el estudio presenta resultados que sustentan que el concepto de poder tiene múltiples dimensiones e indican que las relaciones de poder inherentes a la cadena interempresarial condicionan significativamente la gestión de las empresas.
Turismo rural, empreendedorismo e gênero: um estudo de caso na comunidade aut?noma da Galiza
Dieguez-Castrillon, Ma Isabel;Gueimonde-Canto, Ana;Sinde-Cantorna, Ana;Blanco-Cerradelo, Lidia;
Revista de Economia e Sociologia Rural , 2012, DOI: 10.1590/S0103-20032012000200010
Abstract: in this paper we establish entrepreneurship characteristics and motivational dimension by gender. analyzing a representative sample of rural tourism establishments of the autonomous community of galicia (spain), we seek behavioural differences between gender holders. relationship is found between gender and reconciliation and importance of agricultural activities by owner, and between gender and profile of the motivations to start tourism activity. female entrepreneurs are more motivated by elements in the economic sphere and, therefore, have a greater role in decision-making rational economic criteria and diversification of agriculture.
Immune Response to Bifidobacterium bifidum Strains Support Treg/Th17 Plasticity
Patricia López, Irene González-Rodríguez, Miguel Gueimonde, Abelardo Margolles, Ana Suárez
PLOS ONE , 2011, DOI: 10.1371/journal.pone.0024776
Abstract: In this work we analyzed the immune activation properties of different Bifidobacterium strains in order to establish their ability as inductors of specific effector (Th) or regulatory (Treg) responses. First, we determined the cytokine pattern induced by 21 Bifidobacterium strains in peripheral blood mononuclear cells (PBMCs). Results showed that four Bifidobacterium bifidum strains showed the highest production of IL-17 as well as a poor secretion of IFNγ and TNFα, suggesting a Th17 profile whereas other Bifidobacterium strains exhibited a Th1-suggestive profile. Given the key role of Th17 subsets in mucosal defence, strains suggestive of Th17 responses and the putative Th1 Bifidobacterium breve BM12/11 were selected to stimulate dendritic cells (DC) to further determine their capability to induce the differentiation of na?ve CD4+ lymphocytes toward different Th or Treg cells. All selected strains were able to induce phenotypic DC maturation, but showed differences in cytokine stimulation, DC treated with the putative Th17 strains displaying high IL-1β/IL-12 and low IL-12/IL-10 index, whereas BM12/11-DC exhibited the highest IL-12/IL-10 ratio. Differentiation of na?ve lymphocytes confirmed Th1 polarization by BM12/11. Unexpectedly, any B. bifidum strain showed significant capability for Th17 generation, and they were able to generate functional Treg, thus suggesting differences between in vivo and vitro responses. In fact, activation of memory lymphocytes present in PBMCS with these bacteria, point out the presence in vivo of specific Th17 cells, supporting the plasticity of Treg/Th17 populations and the key role of commensal bacteria in mucosal tolerance and T cell reprogramming when needed.
Rural tourism as diversification strategy: determinants and performance in Galicia
Cuadernos de Gestión , 2009,
Abstract: Determinants and performance of diversification strategy have been approached frequently in the literature. Nevertheless, there are only a few studies that analyze the diversification in sectors where the impulse to diversify is not strictly economic, but political or social. Diversification of agricultural and farm activity towards the tourism in Galicia is a clear example. The aim of this paper is to determine the factors that motivate holders of farmers to initiating a strategy of diversification towards the tourism, as well as the dimensions of the managerial relevant results for the owners who diversify. Results of the analysis on a representative sample of rural tourism establishments of Galicia indicate the multidimensional and heterogeneity of the analyzed constructs. Social motivations acquire prominence, in the same way that subjective measures of performance related to the improvement of the environment and customer orientation.
Vitamin D and the vitamin D receptor are critical for control of the innate immune response to colonic injury
Monica Froicu, Margherita T Cantorna
BMC Immunology , 2007, DOI: 10.1186/1471-2172-8-5
Abstract: VDR KO mice were extremely sensitive to dextran sodium sulfate (DSS) and there was increased mortality of the VDR KO mice at doses of DSS that only caused a mild form of colitis in wildtype (WT) mice. DSS colitis in the VDR KO mice was accompanied by high colonic expression of TNF-α, IL-1 α, IL-1β, IL-12, IFN-γ, IL-10, MIP-1α and KC. DSS concentrations as low as 0.5% were enough to induce bleeding, ulceration and weight loss in VDR KO mice. VDR KO mice failed to recover following the removal of DSS, while WT mice showed signs of recovery within 5 days of DSS removal. The early mortality of DSS treated VDR KO mice was likely due to perforation of the bowel and resulting endotoxemia. VDR KO mice were hyper-responsive to exogenously injected LPS and cultures of the peritoneal exudates of moribund DSS treated VDR KO mice were positive for bacterial growth. 1,25(OH)2D3 in the diet or rectally decreased the severity and extent of DSS-induced inflammation in WT mice.The data point to a critical role for the VDR and 1,25(OH)2D3 in control of innate immunity and the response of the colon to chemical injury.The two forms of inflammatory bowel disease (IBD): Crohn's disease and ulcerative colitis are chronic diseases characterized by aberrant responses to luminal bacteria in genetically susceptible subjects [1]. Although IBD are chronic diseases, the initiation of the inflammation and reactivations of the disease are associated with engagement of the innate immune response and progressive induction of IL-12, IL-1β, and TNF-α in the intestine [2].The vitamin D receptor (VDR) is a ligand inducible transcription factor that has been shown to be an important regulator of many experimental autoimmune diseases including IBD [3]. A major source of vitamin D results from its manufacture via a photolysis reaction in the skin. Dietary intake of vitamin D is problematic since there are few foods, which are naturally rich in vitamin D. There is mounting evidence for a link between vitamin
Enhancing probiotic stability in industrial processes
Miguel Gueimonde,Borja Sánchez
Microbial Ecology in Health and Disease , 2012, DOI: 10.3402/mehd.v23i0.18562
Abstract: Background: Manufacture of probiotic products involves industrial processes that reduce the viability of the strains. This lost of viability constitutes an economic burden for manufacturers, compromising the efficacy of the product and preventing the inclusion of probiotics in many product categories. Different strategies have been used to improve probiotic stability during industrial processes. These include technological approaches, such as the modification of production parameters or the reformulation of products, as well as microbiological approaches focused on the strain intrinsic resistance. Among the later, both selection of natural strains with the desired properties and stress-adaptation of strains have been widely used. Conclusion: During recent years, the knowledge acquired on the molecular basis of stress-tolerance of probiotics has increased our understanding on their responses to industrial stresses. This knowledge on stress-response may nowadays be used for the selection of the best strains and industrial conditions in terms of probiotic stability in the final product.
Diagnóstico médico social del climaterio para la Aps
Caridad M Casta?eda Gueimonde
Avanzada Científica , 2010,
Abstract: Con el propósito de lograr una adecuada promoción de salud tratamos de acercar a la Atención primaria de Salud(APS) a la asistencia de la mujer de edad mediana que se encuentra en una zona invisible del ciclo de vida de la mujer que es el periodo del climaterio, momento en el que se producen alteraciones en su calidad de vida a consecuencia de las variaciones que ocurren con los estrógenos por un ovario que envejece, repercutiendo esto en su desempe o desde el punto de vista social ,laboral y familiar, con estas premisas decidimos hacer un plegable de fácil manejo para el personal de APS, con criterios actuales de dispensarización ,así como el diagnóstico medico social, considerando que en la medida que cuidemos mas a la mujer de esta franja etárea lograremos una mayor expectativa de vida y la permanencia de esa mujer en su vida laboral, lo que nuestro país persigue con la revisión del proyecto de la seguridad social que actualmente se gesta. A su vez en este plegable se resumen los resultados de trabajos realizados en el territorio que nos permitirán establecer estrategias de intervención acordes a nuestras individualidades y nuestros hallazgos.
The genomics of probiotic intestinal microorganisms
Seppo Salminen, Jussi Nurmi, Miguel Gueimonde
Genome Biology , 2005, DOI: 10.1186/gb-2005-6-7-225
Abstract: While the sequencing of the human genome [1,2] has increased our understanding of the role of genetic factors in health and disease, each human being harbors many more genes than those in their own genome. These belong to our commensal and symbiotic intestinal microorganisms - our intestinal 'microbiome' - which play an important role in maintaining human health and well-being. A more appropriate image of ourselves would be drawn if the genomes of our intestinal microbiota were taken into account. The microbiome may contain more than 100 times the number of genes in the human genome [3] and provides many functions that humans have thus not needed to develop themselves. The indigenous intestinal microbiota provides a barrier against pathogenic bacteria and other harmful food components [4-6]. It has also been shown to have a direct impact on the morphology of the gut [7], and many intestinal diseases can be linked to disturbances in the intestinal microbial population [8].The indigenous microbiota of an infant's gastrointestinal tract is originally created through contact with the diverse microbiota of the parents and the immediate environment. During breast feeding, initial microbial colonization is enhanced by galacto-oligosaccharides in breast milk and contact with the skin microbiota of the mother. This early colonization process directs the microbial succession until weaning and forms the basis for a healthy microbiota. The viable microbes in the adult intestine outnumber the cells in the human body tenfold, and the composition of this microbial population throughout life is unique to each human being. During adulthood and aging the composition and diversity of the microbiota can vary as a result of disease and the genetic background of the individual.Current research into the intestinal microbiome is focused on obtaining genomic data from important intestinal commensals and from probiotics, microorganisms that appear to actively promote health. This genomic inf
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