Now showing items 206-225 of 348

    Optical control of endogenous receptors and cellular excitability with light 

    Garrido Charles, Aida (Date of defense: 2020-01-15)

    Light-controlled manipulation of neuronal activity has transformed the field of neurobiology. Light provides temporal and spatial resolution over activation or inhibition of targeted populations of neurons, one single ...

    Estudi del paper de les proteïnes JNK en el desenvolupament de trastorns metabòlics i cognitius = Study on the role of the JNK proteins in the development of metabolic and cognitive disruptions 

    Busquets Figueras, Oriol (Date of defense: 2019-12-20)

    Molts estudis previs sobre el paper de les cinases c-JUN N-terminal (JNK) no tenien en compte les diferències existents en l’activitat de cadascuna de les isoformes. Això va provocar que les propostes terapèutiques que ...

    Signal Transduction proteins in Streptococcus pneumoniae and Vibrio cholerae 

    Toribio Isaías, Luis Daniel (Date of defense: 2019-12-18)

    The aim of this project is to structurally characterize proteins involved in bacterial signal transduction systems by applying X-ray crystallography. Bacteria use signal transduction systems to react in response to any ...

    Caracterització morfològica i molecular i estudi epidemiològic d’espècies d’Anisakis i Hysterothylacium (Nematoda: Ascaridoidea) en peixos de consum habitual procedents de l’Atlàntic Nord-Est i del Mediterrani 

    Roca Geronès, Xavier (Date of defense: 2019-12-18)

    Aquest treball engloba l’estudi d’espècies de nematodes ascaridoïdeus de les famílies Anisakidae i Raphidascarididae paràsites de peixos marins arreu del món que presenten un interès sanitari i/o comercial. Dins la família ...

    Interactions between marine picoeukaryotes and their viruses one cell at a time = Interacciones entre picoeucariotas marinos y sus virus célula a célula 

    Castillo de la Peña, Yaiza M. (Date of defense: 2019-12-17)

    Marine viruses are key components of marine microbial communities, as they influence the cellular abundances and the community structure of microbes, participate in their genetic exchange, and intervene in the ocean ...

    A role for heterochromatin and repetitive elements in epigenetic inheritance 

    Casas Masnou, Eduard (Date of defense: 2019-11-25)

    Gene regulation mechanisms control the level of transcription of each gene into RNA and the combination of expressed genes determines cell identity. Gene regulation is maintained by epigenetic mechanisms including DNA ...

    The supramolecular organization of cancer metabolism: From macromolecular crowding to metabolic reprogramming underlying cancer metastasis and drug resistance 

    Balcells Nadal, Cristina (Date of defense: 2019-12-19)

    Metastasis and drug resistance represent the two main causes of therapeutic failure in oncology. In the present dissertation, the interplay between them has been interrogated using metabolomics, systems biology and biophysical ...

    IRBC-induced p53-dependent Cell Death in c-MYC-driven tumors mediated by loss of MCL1 

    Domostegui Fernández, Ana (Date of defense: 2019-12-05)

    The oncogene MYC is altered and its expression is deregulated in up to 70% of human cancers, including B cell neoplasms. Earlier studies in a mouse model of Eμ-MYC-driven B-cell lymphomas reported that oncogenic MYC relies ...

    Design and synthesis of engineered peptides to target undruggable PPIs: from in silico to in vitro studies 

    Rivas Santos, Pep (Date of defense: 2019-12-10)

    Major unsolved diseases such as Cancer, cardiopathies or neurodegenerative disorders are frequently related with the malunction of complex protein networks. These networks are integrated by the interaction of multiple ...

    Biotechnological production of rosmarinic acid and ruscogenins. Scaling up the optimized processes to benchtop bioreactors 

    Khojasteh, Abbas (Date of defense: 2019-11-22)

    Rosmarinic acid (RA), an ester of caffeic acid and 3,4-dihydroxyphenyl lactic acid, is widely distributed in the plant kingdom, including Satureja khuzistanica, a threatened Iranian plant species. Interest in RA is growing ...

    Química radicalaria aplicada a la síntesis de alcaloides Daphniphyllum 

    Jansana Garcia, Sergi (Date of defense: 2019-11-08)

    La presente Tesis versa acerca de estudios sintéticos en el campo de los alcaloides Daphniphyllum, una familia de productos naturales con estructuras de un elevado interés sintético debido a su complejidad estructural y ...

    Aplicacions de l’enginyeria cristal·lina al descobriment i estudi de noves formes sòlides de principis actius 

    Barbas Cañero, Rafael (Date of defense: 2019-11-14)

    Aquesta tesi descriu el disseny, optimització i implementació de metodologies d’screening versàtils per a la recerca de noves formes sòlides de compostos orgànics. La certesa d’estar desenvolupant la forma sòlida d’un ...

    Influencia de la educación nutricional, hábitos de estilo de vida obesogénicos y predictores de pérdida de peso en pacientes con obesidad grave incluidos en un programa de cirugía bariatrica 

    Parri Bonet, Alejandra (Date of defense: 2019-11-13)

    INTRODUCCIÓN: La obesidad grave es una enfermedad crónica que se caracteriza por un exceso de grasa corporal, que condiciona un aumento de la morbimortalidad. La cirugía bariátrica es el tratamiento de elección cuando ha ...

    Unveiling the biological role of stigmasterol biosynthesis in tomato plants 

    Gutiérrez García, Laura (Date of defense: 2019-10-31)

    In plants, the sterol biosynthetic pathway leads to the production of a complex mixture of end-products, among which β-sitosterol, stigmasterol, campesterol, and cholesterol are the most abundant ones. Stigmasterol, the ...

    Desenvolupament, caracterització i avaluació d’una nova forma farmacèutica basada en micro-comprimits d’alliberació modificada 

    Ruiz Xivillé, Núria (Date of defense: 2019-10-07)

    El metilfenidat HCl (MPH) és un fàrmac clàssic per al tractament del TDAH en nens a partir dels 6 anys, quan altres mesures resulten insuficients. Aquest trastorn es manifesta principalment durant la infància i l’adolescència ...

    Into the structure of human full-length Smad proteins and the impact of cancer mutations 

    Gomes, Tiago Lopes (Date of defense: 2019-11-05)

    Signal transduction pathways are essential mechanisms that cells use to perform a myriad of biological processes that when aberrant, can cause serious diseases. Understanding the molecular basis of these pathways in detail ...

    Efecto de la dieta mediterránea y sus compuestos bioactivos en la prevención y prognosis de enfermedades crónicas 

    Hurtado Barroso, Sara (Date of defense: 2019-10-28)

    La dieta mediterránea, rica en hortalizas y frutas, tiene efectos beneficiosos en la salud debido en parte a su alto contenido en fitoquímicos biológicamente activos, entre ellos los carotenoides y los polifenoles. Las ...

    Efecto de la muerte cerebral en hígados esteatósicos y no esteatósicos sometidos a trasplante 

    Negrete Sánchez, Elsa N. (Date of defense: 2019-10-11)

    Actualmente, el 80% de los injertos hepático proceden de donantes con muerte cerebral. Sin embargo, la muerte cerebral reduce la tolerancia de los injertos hepáticos a la lesión por isquemia/reperfusión y contrarresta los ...

    Investigation of branched and linear polymers as oral delivery systems of antimalarial drugs 

    Martí Coma-Cros, Elisabet (Date of defense: 2019-09-27)

    Malaria is an infectious disease that affects nearly half of the population in 90 countries around the world. In 2017 it was estimated that there were 219 million cases and 435,000 deaths disproportionately distributed ...

    Estrategias farmacológicas para reducir la lesión en cirugías hepáticas con oclusión vascular 

    Bujaldon Ormaechea, Esther (Date of defense: 2019-10-04)

    La hepatectomía parcial bajo isquemia-reperfusión (PH + I/R) es una estrategia que se utiliza comúnmente en la práctica clínica para reducir la hemorragia durante la resección del parénquima hepático. Más del 20% de los ...