Now showing items 890-909 of 1298

    PD-L1 blockade : impact on regulatory T cells from HIV-infected individuals 

    Peligero Cruz, Cristina (Date of defense: 2015-11-17)

    Bloquejar la via PD-1/PD-L1 ha sorgit com una estratègia prometedora per a restaurar la resposta immune efectora en individus infectats amb el virus de la immunodeficiència humana (VIH). Malgrat l’extensa recerca duta a ...

    Pensamientos y conductas suicidas en universitarios españoles : frecuencia, factores de riesgo y de protección 

    Blasco Cubedo, Maria Jesús (Date of defense: 2019-02-22)

    El objetivo general de esta tesis es estudiar la frecuencia (prevalencia, incidencia y persistencia) de los pensamientos y conductas suicidas entre los universitarios españoles, así como aportar evidencia sobre su asociación ...

    Peptime-mediated interactions in high-resolution 3-dimensional structures 

    Stein, Amelie (Date of defense: 2010-06-11)

    Proteins and protein interactions are involved in virtually all processes of life. Here we study interactions between globular domains and short linear motifs, which form a small interface ideal for transient interactions. ...

    Performance indicators in academic radiology departments in the United States 

    Ondategui Parra, Silvia (Date of defense: 2008-04-21)

    PURPOSE: To determine the management performance indicators most frequently utilized in academic radiology departments in the United States. MATERIALS AND METHODS: This investigation met the criteria for an exemption from ...

    Persistent organic pollutants, bisphenol A, phthalates and respiratory and immune health in childhood 

    Gascon Merlos, Mireia (Date of defense: 2014-07-03)

    Persistent organic pollutants (POPs), bisphenol A (BPA) and pthalates may increase the risk of respiratory infections and allergic diseases in infants and the effects might last until, at least, adolescence. Cytokines and ...

    PET in preclinical AD: image harmonization, characterization of the centiloid metric of Aβ load and associations with tau fluid biomarkers 

    Shekari, Mahnaz (Date of defense: 2024-04-03)

    This thesis explores technical factors influencing brain PET quantification, developing brain PET harmonization framework, assessing Centiloid robustness as a clinical biomarker, and evaluating the associations between ...

    Pharmacogenomic study of oppioid addicts in methadone treatment / Francina Fonseca Casals 

    Fonseca Casals, Francina (Date of defense: 2010-11-17)

    Although the well established efficacy of methadone maintenance treatment (MMT) in the opioid dependence disorder, there is a group of patients that are poor responders. The study of the influence of methadone pharmacodynamics ...

    Phylogenomic analysis and genomic structure of human RCAN genes : Effect on RCAN overexpression on lymphocyte development and function 

    Serrano Candelas, Eva (Date of defense: 2012-12-20)

    The protein phosphatase calcineurin (Cn), together with its substrates, the transcription factors NFATc, play an essential role in several physiological processes of vertebrates, such as the immune response, angiogenes ...

    Phylogenomic insights into the evolution of subterranean Coleoptera 

    Balart i García, Pau (Date of defense: 2023-02-24)

    Under very specific pressures, evolution turns extremely convergent, to the extent that distantly-related organisms show highly similar morphological, physiological and behavioral adaptations. Life into the perpetual ...

    Physical activity and neurodevelopment in children 

    López Vicente, Mònica (Date of defense: 2016-12-14)

    This thesis aims to study the determinants and trajectories of cognitive development, as well as the role of physical activity on cognitive and brain development in children aged 4 to 14 years old. We used data from two ...

    Physical activity as a crucial patient-reported outcome in Chronic Obstructive Pulmonary Disease 

    Gimeno Santos, Elena (Date of defense: 2014-12-22)

    Physical inactivity is a hallmark of Chronic Obstructive Pulmonary Disease (COPD), which relates to outcomes relevant for patients and healthcare providers. Despite its importance, no patient reported outcome (PRO) instrument ...

    Physical activity in the community : correlates of change and overall mortality in two population-based cohorts 

    Cornelio, Cecilia Inés (Date of defense: 2014-04-01)

    Physical inactivity is a major public health problem, and evidence suggests that it is a contributing factor in numerous chronic diseases and conditions. Along with smoking and poor dietary habits, physical inactivity is ...

    A physician-in-the-loop approach by means of machine learning for the diagnosis of lymphocytosis in the clinical laboratory 

    Bigorra López, Laura (Date of defense: 2022-04-08)

    The complete blood count (CBC) is one of the most commonly performed test due to its clinical utility, versatility and safety. Thus, there are well established consensus rules to review a CBC through the peripheral blood ...

    Phytocannabinoids and endocannabinoids as modulators of cocaine reinforcement in mice 

    Alegre Zurano, Laia (Date of defense: 2023-07-26)

    Cocaine use profoundly disrupts the neuronal circuits that regulate reward processing, motivation and decision making, resulting in long-lasting neuroplastic adaptations in the mesocorticolimbic system. The endocannabinoid ...

    Piezo ion channels in cancer cell mechanotransduction 

    Pardo Pastor, Carlos (Date of defense: 2018-01-24)

    The mechanical dependence of transformation and metastasis is an emerging field, but the role of mechanosensitive channels has been largely omitted. This thesis focuses on the roles played by the mechanosensitive ion ...

    Ploidy reduction determines the fate of reprogrammed cell fusion hybrids 

    Rodrigues Frade, João Manuel (Date of defense: 2017-01-20)

    Fenómenos de fusión celular heterotípica están asociados con regeneración de tejidos en mamíferos. La reprogramación de células somáticas a estadios de células madre progenitoras o pluripotentes, ...

    Pobresa energètica i salut : Una aproximació des de les desigualtats socials 

    Oliveras Puig, Laura (Date of defense: 2022-02-24)

    Aquesta tesi té per objectiu ampliar el coneixement sobre la pobresa energètica i la seva relació amb la salut a la Unió Europea i a Barcelona, tenint en compte les desigualtats socials. Per tal d’assolir aquest objectiu ...

    Policies, health plans and interventions to adress social inequalities in health in Europe: a qualitativ perspective 

    Morrison Esteve, Joana (Date of defense: 2015-06-05)

    Las ciudades están densamente pobladas y ofrecen una diversidad cultural, religiosa, étnica, y de costumbres. Suele estar dividida por demarcaciones socioeconómicas. Las desigualdades en el desarrollo infantil temprano son ...

    The Polycomb group protein Cbx6 is an essential regulator of embryonic stem cell identity 

    Santanach Buxaderas, Alexandra (Date of defense: 2016-10-28)

    Polycomb group (PcG) proteins are transcriptional repressors that control cell identity and development. In mammals, at least five different Cbx prorteins are believed to associate with the core Polycomb repressive complex ...

    Polycomb group proteins Bmi1 and Ring1B are involved in cell plasticity and tumorigenesis of the pancreas 

    Martínez Romero, Carles (Date of defense: 2009-12-21)

    L'adenocarcinoma ductal pancreàtic (PDAC) és un dels càncers més letals. Per tal de millorar el diagnòstic precoç, s'estan investigant les etapes inicials de la formació del càncer, com és el cas de les lesions preneoplàstiques, ...