Now showing items 2226-2245 of 3213

    Notch ligands orchestrate the endothelial to hematopoietic transition during embryonic development in the mouse 

    Ferrando Martorell, Eva (Date of defense: 2015-11-10)

    The activation of Notch1 receptor triggers differential outcomes depending on the upstream activating ligand. This way, Jag1-Notch1 activation promotes endothelial to hematopoietic transition process for the generation of ...

    Notch signalling in intestinal homeostasis and cancer: orchestrator of stemness 

    López Arribillaga, Erika (Date of defense: 2016-06-17)

    Wnt/β-catenin and Notch signalling cooperate in regulating the transcription of various genes specifically in the small intestinal stem and progenitor cell compartments. We characterized Bmi1 functionally in this context ...

    Novel approaches against pancreatic cancer based on adenoviral targeting and tumor ablation preclinical evaluation of antitumor efficacy 

    José Segarra-Martínez, Anabel (Date of defense: 2011-12-13)

    Els tractaments actuals pel càncer de pàncreas presenten un eficàcia limitada de manera que es necessari el desenvolupament de noves teràpies antitumorals. La teràpia gènica pel càncer de pàncreas basada en l’ús d’adenovirus ...

    Novel approaches for generalized planning 

    Lotinac, Damir (Date of defense: 2017-12-14)

    Classical planning is the problem of finding a sequence of actions, from a given initial state to some goal state. While, in generalized planning, a plan is a solution to a set of planning problems, which belong to the ...

    Novel genetic mechanisms in autoinflammatory diseases : Contribution of somatic and germline variation 

    Solís Moruno, Manuel (Date of defense: 2021-09-14)

    Autoinflammatory diseases are caused by an antigen independent hyperactivation of inflammatory pathways. The first genetic defect linked to an autoinflammatory disease was described almost 25 years ago and, since then, the ...

    Novel insights in nicotine addiction : focus on cognitive function 

    Saravia Santos, Rocio (Date of defense: 2019-01-10)

    Cigarette smoking continues to be leading cause of preventable cause of death worldwide. Cognitive modulation by nicotine seems to be a key factor in nicotine addiction. Several studies indicate that initial nicotine intake ...

    Novel mechanisms of transcriptional regulation by the yeast hog 1 mapk 

    Mas Martín, Glòria (Date of defense: 2007-07-20)

    En la levadura S. cerevisiae, un incremento de la osmolaridad extracelular activa la vía de Hog1, lo que produce una compleja respuesta adaptativa. Entre las respuestas adaptativas que Hog1 coordina, está un importante ...

    Novel methods for multiple sequence alignment and evolutionary modeling 

    Mansouri, Leila (Date of defense: 2023-03-27)

    El continuo aumento de los proyectos de producción de datos genómicos a gran escala, como el "Earth BioGenome Project" (Lewin et al., 2018), pone los métodos de análisis de datos bajo una presión sin precedentes. Es necesario ...

    Novel pharmacological and electroceutical approaches for memory improvement in animal models of intellectual disability 

    Vázquez Oliver, Anna (Date of defense: 2022-02-18)

    Intellectual disability is a term used to describe a group of neurodevelopmental disorders defined by deficits in cognitive and adaptive functioning with onset during the developmental period. Preclinical research suggest ...

    Novel tools in drug discovery : optimising the use of zebrafish for assessing drug safety and antitumoral efficacy 

    Cornet Bartolomé, Carles (Date of defense: 2020-01-17)

    High drug attrition rate during clinical and post market phases is one of the major factors contributing to the pharmaceutical industry productivity crisis. This problem is especially worrisome in the cancer field, where ...

    Novel transcription regulators of tissue macrophages and alternative macrophage polarization 

    Higuera González, Laura (Date of defense: 2021-10-01)

    Macrophages play crucial roles in the defense of the organism against a wide range of pathogens. Macrophages can rapidly adapt to perturbations in the microenvironment due to the existence of a network of transcription ...

    De novo heterochromatin establishment in 2C-like cells and early embryonic development 

    Sebastián Perez, Rubén (Date of defense: 2021-09-10)

    Chromocenters are established after the 2-cell (2C) stage during mouse embryonic development, but the factors that mediate chromocenter formation remain largely unknown. To identify regulators of 2C heterochromatin ...

    Nuclear and non-nuclear roles of the MAP kinase Sty1 on cell cycle, cell polarity and transcription 

    Salat Canela, Clàudia (Date of defense: 2020-09-30)

    Living organisms must respond to changes in their environment in order to overcome stress situations. In Schizosaccharomyces pombe, Sty1 MAP kinase is required to survive to a wide range of environmental stresses. The main ...

    Nuclear DYRK1A :new insights into its role within the nucleus 

    Di Vona, Chiara (Date of defense: 2013-09-20)

    The view on how protein kinases regulate gene expression have recently expanded to include not only transcription factors but also histones, chromatin remodelers or components of the basal transcription machinery, which ...

    Nucleosome dynamics and analysis in breast cancer cells 

    Pohl, Andy (Date of defense: 2014-10-03)

    Genome-wide analysis of the nucleosome positioning and histone H1 isoform content of the T47D breast cancer cell line has found a number of observations, namely that with a gentle digestion of microccocal nuclease (MNase), ...

    Nueva nomenclatura para componer a futuro el diccionario de uso del quechua cusqueño 

    Jara Luna, César (Date of defense: 2016-02-09)

    El objeto de estudio de esta investigación es formular los fundamentos teóricos y metodológicos de un ordenamiento morfológico para el establecimiento de una Nueva Nomenclatura (NN) del futuro Diccionario de uso del quechua ...

    Nuevas técnicas de control social: análisis jurídico de las bases de datos de ADN 

    Valerio Jiminián, Miguel Ernesto (Date of defense: 2016-02-05)

    La posibilidad estatal de almacenar información genética plantea importantes retos para las ciencias penales, pues las Bases de Datos de ADN agudizan la tensión entre los principios de libertad, seguridad e igualdad. ...

    Numerical simulation of shallow water equations and some physical models in image processing 

    Haro Ortega, Gloria (Date of defense: 2005-07-11)

    There are two main subjects in this thesis: the first one deals with the numerical simulation of shallow water equations, the other one is the resolution of some problems in image processing<br/><br/>The first part of this ...

    ¿Numerus clausus? : crítica al sistema de incriminación de los delitos de las personas jurídicas 

    Vargas Ovalle, María Alejandra (Date of defense: 2018-01-12)

    El Código penal español reconoce desde 2010 la responsabilidad penal de las personas jurídicas, aunque limitada a un catálogo cerrado de delitos. La configuración del sistema de numerus clausus -como sucede con la práctica ...

    Nutritional factors in asthma = Facteurs nutritionels dans l'asthme 

    Bédard, Annabelle (Date of defense: 2015-01-30)

    The general aim of the thesis was to assess the role of nutritional factors in asthma in the French E3N study. The first objective was to compare principal component (PCA) with confirmatory factor analysis (CFA) to identify ...