Now showing items 41-60 of 107

    Structural Insights into Substrate Binding and Regulation of E3 Ubiquitin Ligases in the Nedd4 Family using NMR Spectroscopy 

    Escobedo Pascual, Albert (Date of defense: 2014-11-06)

    Nedd4L is a HECT-type E3 ubiquitin ligase (it covalently binds ubiquitin molecules before transferring them to the final substrate). Ubiquitination is a posttranslational modification (PTM) that labels proteins for a variety ...

    Design, synthesis and biological evaluation of new polymer-drug conjugates based on polyglutamic acid and 5-Fluorouracil for the treatment of advanced colorectal cancer 

    Plà Solans, Helena (Date of defense: 2014-11-13)

    Although survival rates of colorectal cancer (CRC) treated with surgery and conventional chemotherapy are high, metastatic CRC still shows acute mortality rates. Current chemotherapeutic treatment involves high doses of ...

    Implicación de LRP5 en la enfermedad cardiovascular 

    Romero Sandoval, July Carolina (Date of defense: 2014-12-01)

    Atherosclerosis is an inflammatory process characterized by the accumulation of lipids and fibrous elements in large arteries. It is the main underlying pathological process leading to heart attack and stroke. Low-densit ...

    Evaluation of (eco)toxicity and biodegradability of short aliphatic protic ionic liquids 

    Peric, Brezana (Date of defense: 2014-12-17)

    Ionic liquids (ILs) are a fairly new and very promising group of compounds. They are often considered as environmentally benign substitutes for traditional volatile organic solvents due to their attractive properties and ...

    Caracterización molecular y funcional de Small-Ubiquitin-related MOdifier en Arabidopsis thaliana 

    Castaño Miquel, Laura (Date of defense: 2015-01-30)

    SUMO, Small Ubiquitin-related MOdifier, es un modificador post-traduccional de la familia de la Ubiquitina, ya que presentan estructuras y mecanismo de conjugación conservados. La unión de SUMO al sustrato puede modificar ...

    Androgen receptor aggregates studies in vitro and in a transgenic mouse model of Spinal Bulbal Muscular Atrophpy (SMBA) 

    Eftekharzadeh, Bahareh (Date of defense: 2015-04-16)

    Spinal bulbar muscular atrophy (SBMA) is a rare hereditary neuromuscular disease caused by the elongation of a polymorphic polyglutamine (polyQ) tract in the N-terminal region of the transactivation domain (NTD) of androgen ...

    Mechanisms behind the oncogene-induced senescence (OIS) – oncogene-induced apoptosis (OIA) decision in cells expressing p95HER2 

    Bernadó Morales, Cristina (Date of defense: 2015-04-23)

    In response to oncogenic stresses cells activate two different tumor suppressor mechanisms: Oncogene-induced senescence (OIS), a terminal cell proliferation arrest, or oncogene-induced apoptosis (OIA), which leads to cell ...

    Role of SIRT6 in Chromatin 

    Santos Barriopedro, Irene (Date of defense: 2015-05-08)

    Chromatin compaction is regulated by different factors, among them histone posttranslational modifications. There are different histone modifications, and among them, acetylation and methylation of lysine residues. Acetylation ...

    Modeling protein dynamics and protein-drug interactions with Monte Carlo based techniques 

    Hosseini, Seyed Ali (Date of defense: 2015-05-08)

    A complete understanding of complex formation between proteins and ligands, a crucial matter for pharmacology and, more in general, in biomedicine, requires a detailed knowledge of their static and dynamic atomic interactions. ...

    hAGT inhibitors as chemotherapy enhancers 

    Tintoré Gazulla, Maria (Date of defense: 2015-07-01)

    The O6-alkylguanine DNA alkyltransferase (hAGT or MGMT) is a DNA repair protein in charge of removing alkyl adducts from the O6 position of guanines, blocking their cytotoxic effects and playing an important role as a ...

    New strategies to reduce liver ischemia – reperfusion injury in fatty and non-fatty livers: a focus on sirtuin 1 implication 

    Pantazi, Eirini (Date of defense: 2015-07-06)

    Ischemia-reperfusion injury (IRI) is an inevitable situation in clinical settings such as liver transplantation and hepatic resection. It develops when blood flow is interrupted for a long period of time (ischemia) and ...

    New insights into sphingolipid metabolism and functions by using chemical tools 

    Cingolani, Francesca (Date of defense: 2015-07-10)

    Sphingolipids (SLs), essential components of cell membranes, are bioactive molecules involved in the regulation of a variety of cellular processes. Ceramide and sphingosine generally mediate anti-proliferative stimuli, ...

    Development of Organocatalytic Tandem Processes for the Asymmetric Synthesis of Nitrogen-Containing Compounds 

    Parra Montes, Claudio (Date of defense: 2015-07-17)

    En esta tesis se desarrolla una metodología general para la construcción tándem de manera asimétrica de importantes “building blocks” que se encuentran presentes en la estructuras de muchos productos naturales complejos y ...

    Neovascularización mediada por factor tisular en la placa aterosclerótica 

    Espinosa Ferrer, Sonia (Date of defense: 2015-07-20)

    Las enfermedades cardiovasculares son la primera causa de muerte en todo el mundo y representan uno de los desafíos primordiales en la investigación biomédica. La aterosclerosis es causante de la mayoría de las enfermedades ...

    Estudios funcionales y estructurales en quinasas dependientes de ADP relacionadas con el metabolismo de glucosa en Archaea 

    Herrera Morandé, Alejandra Margarita (Date of defense: 2015-10-09)

    En algunos organismos Archaeas, la vía glicolítica presenta modificaciones entre las que destaca las enzimas quinasas que fosforilan glucosa y fructosa 6-fosfato utilizando ADP en vez de ATP como dador de grupo fosforilo. ...

    El control de la polaridad celular de los neuroblastos por β-Catenina en la génesis del Meduloblastoma Wnt 

    Herrera Camacho, Antonio (Date of defense: 2015-11-06)

    El meduloblastoma es un tumor cerebral maligno localizado en la fosa posterior del cráneo, con una muy alta incidencia en niños. Hasta cuatro distintos subgrupos de meduloblastomas pueden ser definidos en base a su huella ...

    Polyene sphingolipids with latent fluorescence: new tools to study the biophysical properties of cellular membranes 

    Nieves Calatrava, Ingrid (Date of defense: 2015-11-24)

    One of the ultimate goals in biomedicine is to understand the relationship between structure, function, and dynamics of biomolecules in living cells. The biophysical tools designed to gain more insight into metabolism, ...

    Nutrition and cardiometabolic risk: a prospective population-based cohort study 

    Funtikova, Anna N. (Date of defense: 2015-11-30)

    Cardiovascular diseases (CVD) are the principal cause of mortality worldwide. Lifestyle plays a crucial role in preventing the development of CVD, and one of its key elements is diet, which directly affects cardiometabolic ...

    Implicación del Low Density Lipoprotein Receptor-Related Protein 1 (LRP1) en el remodelado vascular y cardiaco 

    Revuelta López, Elena (Date of defense: 2015-12-01)

    La dislipemia y la hipoxia tienen un impacto directo en el remodelado vascular y cardiaco. La isquemia cardiaca produce una disfunción generalizada del corazón caracterizada por alteraciones en el metabolismo celular y ...

    Structural and functional studies on Escherichia coli alpha-2-macroglobulin: a snap- trap peptidase inhibitor 

    Garcia Ferrer, Irene (Date of defense: 2015-12-01)

    The balance between proteolytic and antiproteolytic activity is crucial in many biological processes such as nutrition, immune defence, virulence and tissue remodelling. Therefore, it is controlled by several mechanisms, ...