Now showing items 10181-10200 of 11175

    Studies on RNF8, a ubiquitin ligase with a RING finger domain 

    Plans Calafell, Vanessa (Date of defense: 2005-05-26)

    La ubiquitinació és una modificació postraduccional de proteïnes empleada en la regulació de molts tipus diferents de senyalitzacions cel·lulars i processos biològics. Els enzims responsables d'aquesta modificació ...

    Studies on the Chemical Modulation of Neuroprotective Agents Related to CR-6 Addressed to Improve the Delivery through the Blood-Brain Barrier 

    Vázquez Jiménez, Laura (Date of defense: 2014-11-25)

    Oxidative stress is one of the most important factors in degenerative diseases like cancer, Alzheimer or in episodes like ischemia. During these processes, reactive species of oxygen (ROS) and nitrogen (RNS) are generated. ...

    Studies on the formation of i-motif structures at neutral pH. Use of cytidine analogues and importance of minor groove tetrads on mini i-motifs stabilization 

    Mir Morro, Bartomeu (Date of defense: 2019-11-22)

    Given the increasing interest in i-motif structures, obtaining such structures as well as detailed structural information under physiological conditions have become hot topics in the structural biology field. In this ...

    Studies on the function and regulation of glucose transporters GLUT2 and GLUT4 in teleost fish / Estudios sobre la función y regulación de los transportadores de glucosa GLUT2 y GLUT4 en peces teleósteos 

    Marín Juez, Rubén (Date of defense: 2012-10-26)

    The aim of this thesis was to study the function and regulation of two of the major players in the carbohydrate metabolism regulated by insulin, the facilitative glucose transporters GLUT2 and GLUT4, in teleost fish. In ...

    Studies on the genealogical relationships within the genus Monodelphis Burneu, 1830 (Didelphidae, Marsupialia) based on basicranial anatomy and external morphology 

    Stegun Vidigal, Vera Cristina (Date of defense: 2015-01-21)

    The short-tailed opossums of the genus Monodelphis Burnett, 1830 are small-bodied semifossorial marsupials which inhabit almost all major biomes of South America up to 2200 m. Even though it is one of the most speciose ...

    Studies toward the synthesis of marine natural products Phormidolides B-D 

    Gil Escolano, Alejandro (Date of defense: 2018-02-16)

    Marine natural products (MNPs) are, undoubtedly, highly valuable starting points for drug-development programs. Generally, MNPs show a well-defined spatial orientation that have evolved for thousands of years to interact ...

    Study and applications of dynamic chemical networks of pseudopeptidic compounds 

    Lafuente Fabra, Maria (Date of defense: 2018-07-18)

    The present research project can be included in the broad supramolecular chemistry field that was defined by Nobel laureate Jean Marie Lehn as the "chemistry beyond the molecule".1 It is based on processes of molecular ...

    Study and characterization of light pollution in Catalonia 

    Linares Arroyo, Hector (Date of defense: 2021-07-27)

    The term light pollution refers to different harmful effects produced by artificial light sources. This phenomena affects observational astronomy, the flora and fauna of the species adapted to the natural cycles of light ...

    Study and characterization of the Drosophila wg(1)-enhancer in development, regeneration and tumorigenesis 

    Gracia Latorre, Elena (Date of defense: 2023-06-01)

    [eng] Enhancers are the master regulators of gene expression. Genes rely on them to be differentially expressed in different tissues, developmental time points or contexts. In recent years, it has been reported that although ...

    Study of Adaptive Optics Images by means of Multiscalar Transforms 

    Baena Gallé, Roberto (Date of defense: 2013-12-09)

    Adaptive optics (AO) systems are used to increase the spatial resolution achieved by ground-based telescopes, which are limited by the atmospheric motion of air layers above them. Therefore, the real cut-off frequency is ...

    Study of ash layers through phytolith analyses from the Middle Paleolithic levels of Kebara and Tabun caves 

    Albert Cristóbal, Rosa Maria (Date of defense: 1999-12-03)

    The Levant, and Israel in particular, possesses a rich archaeological record of prehistoric caves from the Middle and Upper Paleolithic periods. Some of these caves have been subjected to intensive multidisciplinary studies, ...

    Study of b-hadron decays into two hadrons and a photon at LHCb and first observation of b-baryon radiative decays 

    Rives Molina, Vicente José (Date of defense: 2016-11-17)

    This thesis is divided in different sections. After a short introduction about the thesis contents, the theory chapter presents the Standard Model of Particle Physics (SM), with an emphasis on those properties of flavour ...

    Study of carnitine palmitoyltransferase 1A (CPT1A) in adipose tissue. Effects on obesity, inflammation and insulin resistance 

    Malandrino, Maria Ida (Date of defense: 2013-10-04)

    Current lifestyle with high-energy diets and little exercise is triggering an alarming growth in obesity. Excess of adiposity is leading to severe increase in associated pathologies, such as insulin resistance, type ...

    Study of cell response over nanopatterned ligands on diblock copolymer surfaces 

    Hortigüela Lázaro, Verónica (Date of defense: 2017-06-30)

    Cells in tissues are exposed to extracellular signals that integrate and appropriately translate into specific responses. Receptors at the cell membrane recognize a variety of soluble ligands, extracellular matrix proteins ...

    Study of collective cell durotaxis as an active wetting phenomenon 

    Pallares Pallares, Macià Esteve (Date of defense: 2022-03-08)

    Cell migration is essential to many biological processes. In adult organisms, it is crucial for wound healing, homeostasis, and immune response, whereas aberrant cell migration potentially leads to pathology. For example, ...

    Study of complex chromosomal rearrangements in cancer. The role of extrachromosomal circular DNA as a genome remodeler in neuroblastoma 

    Rodriguez Fos, Elias (Date of defense: 2020-07-15)

    This thesis illustrates the work I have developed as a Ph.D. student in the computational genomics group lead by Dr. David Torrents at the Barcelona Supercomputing Center. The group’s expertise in the analysis of biological ...

    Study of Cu-ZnO-Ga2O3- and MoxC-based Catalysts for the Reverse Water Gas Shift Reaction 

    Liu, Xianyun (Date of defense: 2018-05-09)

    Nowadays, serious concern exists about atmospheric CO2 increase related with environmental impact and climate change. The reuse of CO2 through its chemical recycling is a promising route, which could contribute to the ...

    Study of disseminated high-risk neuroblastoma in the bone marrow niche; from microenvironmental modelling to therapeutic targeting 

    Garcia Gerique, Laura (Date of defense: 2020-12-23)

    Neuroblastoma (NB) is the most common extracraneal solid tumor diagnosed in the first 5 years of childhood and accounts for approximately 15% of all pediatric cancer-related deaths. At the time of diagnosis, about half of ...

    Study of DNA nanostructures with biomedical applications 

    Clua Villas, Anna (Date of defense: 2023-07-17)

    [eng] G-quadruplexes are non-canonical DNA structures that appear in Guanine-rich oligonucleotides. Four Guanines interact through Hoogsteen hydrogen bonds forming a tetrad which is stabilized by metallic ions. Two or more ...

    Study of expression levels in MECP2 related disorders using transcriptomics and proteomics: characterizing Rett syndrome and MECP2 duplication syndrome 

    Pascual Alonso, Ainhoa (Date of defense: 2023-07-14)

    [eng] MECP2 is a multifunctional gene involved in multiple processes such as transcription regulation, chromatin remodelling, splicing and miRNA regulation. Malfunction of MECP2 due to loss of function mutations leads to ...