34 research outputs found

    Gestión administrativa y calidad de servicio en la Unidad de Gestión Educativa Local, Tarapoto – 2022

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    La investigación tuvo como objetivo determinar la relación entre la gestión administrativa y la calidad de servicio en la Unidad de Gestión Educativa Local, Tarapoto – 2022 La investigación fue tipo básica, diseño no experimental, transversal y descriptivo correlacional, cuya población fue de 39 trabajadores. La técnica de recolección de datos fue la encuesta y como instrumento el cuestionario. Concluyendo que existe relación entre la gestión administrativa y la calidad del servicio en la UGEL, Tarapoto - 2022, ya que el análisis estadístico de Pearson fue de 0, 988 (correlación positiva muy alta) y un p valor igual a 0,000 (p-valor ≤ 0.01); además, solo el 97.61 % de la gestión administrativa influye en la calidad de servicio

    Readecuación de la Maestría en Diseño Arquitectónico

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    Propone una metodología aplicable en el proceso de la enseñanza, y el aprendizaje de la maestría en estudio, en la que se desarrollarán módulos en vez de talleres, como se conocen normalmente. La técnica que se integrará es la del aprendizaje basado en problemas para incentivar al alumno a plantear respuestas creativas con base en la investigación. En un marco de competitividad y calidad académica de orden nacional e internacional

    The Road to Doctoral Success and Beyond

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    The purpose of this study is to gain an understanding of the experiences of women that lead them to pursue a Ph.D in Counseling, as well a study of their experiences in their doctoral program. The goal of this study is to identify those factors related to women’s academic success. This study applies the resiliency and emotional intelligence (EI) framework to analyze the subjects\u27 experiences. Another construct related to EI and resilience, Antonovsky’s (1987) theory of coherence, is employed to explain the way in which the subjects converted negative external factors into achievement motivation. A three and a half hour focus group, facilitated by an open-ended questionnaire, was audio-recorded, transcribed, and analyzed independently by the four researchers. The results found two overarching themes, consistent with previous research by Amini et al. (2008): (a) attributes, attitudes, and motivation and (b) extrinsic supportive factors. Another theme uncovered in this study was the impact of (c) negative external factors. The paper concludes with a discussion of these findings, suggestions for future research, and ideas for ways in which doctoral programs and faculty can promote the success of female doctoral students

    Understanding Perceived Differences Between Successful and Struggling First-Year Mexican American College Students: An Exploratory Study

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    In this exploratory study, we conducted in-depth interviews with university seminar instructors to discover perceived differences between successful and struggling first-year Latina/o college students. Several factors emerged from interviews to differentiate successful and struggling Latina/o college students. These factors include assimilation, motivation to pursue goals, family knowledge and resources, family social class, different preparation for postsecondary education, and different levels of support and encouragement in high school. We provide recommendations for high school counselors and researchers

    α6ß4 integrin regulates keratinocyte chemotaxis through differential GTPase activation and antagonism of α3ß1 integrin

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    Growth factor-induced cell migration and proliferation are essential for epithelial wound repair. Cell migration during wound repair also depends upon expression of laminin-5, a ligand for α6ß4 integrin. We investigated the role of α6ß4 integrin in laminin-5-dependent keratinocyte migration by re-expressing normal or attachment-defective ß4 integrin in ß4 integrin null keratinocytes. We found that expression of ß4 integrin in either a ligand bound or ligand unbound state was necessary and sufficient for EGF-induced cell migration. In a ligand bound state, ß4 integrin supported EGF-induced cell migration though sustained activation of Rac1. In the absence of α6ß4 integrin ligation, Rac1 activation became tempered and EGF chemotaxis proceeded through an alternate mechanism that depended upon α3ß1 integrin and was characterized by cell scattering. α3ß1 integrin also relocalated from cell-cell contacts to sites of basal clustering where it displayed increased conformational activation. The aberrant distribution and activation of α3ß1 integrin in attachment-defective ß4 cells could be reversed by the activation of Rac1. Conversely, in WT ß4 cells the normal cell-cell localization of α3ß1 integrin became aberrant after the inhibition of Rac1. These studies indicate that the extracellular domain of ß4 integrin, through its ability to bind ligand, functions to integrate the divergent effects of growth factors on the cytoskeleton and adhesion receptors so that coordinated keratinocyte migration can be achieved

    Predictors of vision impairment in Multiple Sclerosis.

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    Visual impairment significantly alters the quality of life of people with Multiple Sclerosis (MS). The objective of this study was to identify predictors (independent variables) of visual outcomes, and to define their relationship with neurological disability and retinal atrophy when assessed by optical coherence tomography (OCT). We performed a cross-sectional analysis of 119 consecutive patients with MS, assessing vision using high contrast visual acuity (LogMar), 2.5% and 1.25% low contrast visual acuity (Sloan charts), and color vision (Hardy-Rand-Rittler plates). Quality of vision is a patient reported outcome based on an individual's unique perception of his or her vision and was assessed with the Visual Functioning Questionnaire-25 (VFQ-25) with the 10 neuro-ophthalmologic items. MS disability was assessed using the expanded disability status scale (EDSS), the MS functional composite (MSFC) and the brief repetitive battery-neuropsychology (BRB-N). Retinal atrophy was assessed using spectral domain OCT, measuring the thickness of the peripapillar retinal nerve fiber layer (pRNFL) and the volume of the ganglion cell plus inner plexiform layer (GCIPL). The vision of patients with MS was impaired, particularly in eyes with prior optic neuritis. Retinal atrophy (pRNFL and GCIPL) was closely associated with impaired low contrast vision and color vision, whereas the volume of the GCIPL showed a trend (p = 0.092) to be associated with quality of vision. Multiple regression analysis revealed that EDSS was an explanatory variable for high contrast vision after stepwise analysis, GCIPL volume for low contrast vision, and GCIPL volume and EDSS for color vision. The explanatory variables for quality of vision were high contrast vision and color vision. In summary, quality of vision in MS depends on the impairment of high contrast visual acuity and color vision due to the disease

    Current practices and challenges in the diagnosis and management of pku in Latin America: A multicenter survey

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    This study aimed to describe the current practices in the diagnosis and dietary management of phenylketonuria (PKU) in Latin America, as well as the main barriers to treatment. We developed a 44-item online survey aimed at health professionals. After a pilot test, the final version was sent to 25 practitioners working with inborn errors of metabolism (IEM) in 14 countries. Our results include 22 centers in 13 countries. Most countries (12/13) screened newborns for PKU. Phenylalanine (Phe) targets at different ages were very heterogeneous among centers, with greater consistency at the 0–1 year age group (14/22 sought 120–240 µmol/L) and the lowest at >12 years (10 targets reported). Most countries had only unflavored powdered amino acid substitutes (10/13) and did not have low-protein foods (8/13). Only 3/13 countries had regional databases of the Phe content of foods, and only 4/22 centers had nutrient analysis software. The perceived obstacles to treatment were: low purchasing power (62%), limited/insufficient availability of low-protein foods (60%), poor adherence, and lack of technical resources to manage the diet (50% each). We observed a heterogeneous scenario in the dietary management of PKU, and most countries experienced a lack of dietary resources for both patients and health professionals.Fil: Poloni, Soraia. Hospital de Clínicas de Porto Alegre; BrasilFil: Dos Santos, Bruna Bento. Universidade Federal do Rio Grande do Sul; Brasil. Hospital de Clínicas de Porto Alegre; BrasilFil: Chiesa, Ana Elena. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones Endocrinológicas "Dr. César Bergada". Gobierno de la Ciudad de Buenos Aires. Centro de Investigaciones Endocrinológicas "Dr. César Bergada". Fundación de Endocrinología Infantil. Centro de Investigaciones Endocrinológicas "Dr. César Bergada"; ArgentinaFil: Specola, Norma. Provincia de Buenos Aires. Ministerio de Salud. Hospital de Niños "Sor María Ludovica" de La Plata; ArgentinaFil: Pereyra, Marcela. Gobierno de la Provincia de Mendoza. Hospital Pediátrico Humberto Notti; ArgentinaFil: Saborío Rocafort, Manuel. Universidad de Costa Rica; Costa RicaFil: Salazar, María Florencia. Universidad de Chile; ChileFil: Leal-Witt, María Jesús. Universidad de Chile; ChileFil: Castro, Gabriela. Universidad de Chile; ChileFil: Peñaloza, Felipe. Universidad de Chile; ChileFil: Wong, Sunling Palma. Hospital Nacional de Niños; Costa RicaFil: Badilla Porras, Ramsés. Hospital Nacional de Niños; Costa RicaFil: Ortiz Paranza, Lourdes. Ministerio de Salud Pública y Bienestar Social; ParaguayFil: Sanabria, Marta Cristina. Hospital de Clínicas; ParaguayFil: Vela Amieva, Marcela. Instituto Nacional de Pediatría; MéxicoFil: Morales, Marco. No especifíca;Fil: Caro Naranjo, Amanda Rocío. Pontificia Universidad Javeriana; ColombiaFil: Mahfoud, Antonieta. Pontificia Universidad Javeriana; ColombiaFil: Colmenares, Ana Rosa. Hospital Clinica Caracas-Materno Infantil de Caricuao; VenezuelaFil: Lemes, Aida. Instituto de Seguridad Social; UruguayFil: Sotillo Lindo, José Fernando. Hospital de especialidades Pediátricas “Omar Torrijos Herrera"; PanamáFil: Perez, Ceila. Robert Reid Cabral Children’s Hospital; República DominicanaFil: Martínez Rey, Laritza. Centro Nacional de Genética Médica; CubaFil: Zayas Torriente, Georgina María. Centro de Nutrición e Higiene de los Alimentos del Instituto Nacional de Higiene, Epidemiología y Microbiología; CubaFil: Farret Refosco, Lilia. Hospital de Clínicas de Porto Alegre; BrasilFil: Doederlein Schwartz, Ida Vanessa. Universidade Federal do Rio Grande do Sul; Brasil. Hospital de Clínicas de Porto Alegre; BrasilFil: Cornejo, Veronica. Universidad de Chile; Chil

    Homeostatic expansion of autoreactive immunoglobulin-secreting cells in the Rag2 mouse model of Omenn syndrome

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    Hypomorphic RAG mutations, leading to limited V(D)J rearrangements, cause Omenn syndrome (OS), a peculiar severe combined immunodeficiency associated with autoimmune-like manifestations. Whether B cells play a role in OS pathogenesis is so far unexplored. Here we report the detection of plasma cells in lymphoid organs of OS patients, in which circulating B cells are undetectable. Hypomorphic Rag2R229Q knock-in mice, which recapitulate OS, revealed, beyond severe B cell developmental arrest, a normal or even enlarged compartment of immunoglobulin-secreting cells (ISC). The size of this ISC compartment correlated with increased expression of Blimp1 and Xbp1, and these ISC were sustained by elevated levels of T cell derived homeostatic and effector cytokines. The detection of high affinity pathogenic autoantibodies toward target organs indicated defaults in B cell selection and tolerance induction. We hypothesize that impaired B cell receptor (BCR) editing and a serum B cell activating factor (BAFF) abundance might contribute toward the development of a pathogenic B cell repertoire in hypomorphic Rag2R229Q knock-in mice. BAFF-R blockade reduced serum levels of nucleic acid-specific autoantibodies and significantly ameliorated inflammatory tissue damage. These findings highlight a role for B cells in OS pathogenesis

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