Universitat de Barcelona
Mostrando ítems 51-70 de 107
Aging is accompanied by cellular, extracellular and systemic changes that impair tissue function. Stromal alterations, such as degeneration of the extracellular matrix, are thought to contribute to organ deterioration in ...
Acquired Immunodeficiency Syndrome (AIDS) was identified more than 30 years ago. The challenges for the clinicians and Human Immunodeficiency Virus (HIV)-infected individuals have changed over the years. Nowadays, viral ...
El càncer de pulmó afecta 1,6 milions de persones a tot el món, i és la primera causa de mort per càncer. El promig de l’índex de supervivència als 5 anys per tots els càncers està al voltant del 50%, mentre que en el cas ...
En esta tesis se aborda la identificación de factores del pulgón Myzus persicae que podrían participar en el proceso de transmisión del potyvirus del grabado del tabaco, Tobacco etch virus (TEV), y se explora la posibilidad ...
Chemotherapy is a general treatment for most breast tumors and depending on breast cancer subtype combination with targeted anti-hormonal or anti-HER2 therapy is conducted. Taxane-based regimens constitute the most common ...
Colorectal cancer is a disease caused by genetic and epigenetic changes. Inactivation of tumor suppressor genes and activation of oncogenes are key landmarks in tumor progression. However, the list of tumor suppressor genes ...
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 ...
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 ...
Los insulators son complejos de DNA y proteínas, cuya función no solo consiste en impedir la comunicación enhancer-promotor y/o bloquear la expansión del silenciamiento de la heterocromatina como clásicamente se habían ...
Iron is an essential micronutrient required for many cellular reactions and a tight regulation of its metabolism is therefore crucial for health. Cellular iron homeostasis relies on the coordination of iron uptake, storage ...
La presente tesis se enmarca dentro del estudio de la lesión por isquemia-reperfusión (I/R), y sus efectos sobre la regeneración, en hígados esteatósicos y no esteatósicos. Uno de los principales riesgos en la cirugía ...
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 ...
Los modelos de cáncer colorrectal (CCR) generados mediante inyección ortotópica de líneas celulares de CCR humano, cultivadas extensamente in vitro, tienen escasa eficiencia metastásica. Únicamente un porcentaje bajo de ...
Chitosans are a family of linear polysaccharides generally obtained from the chemical deacetylation of chitin derived from crustacean shells that have been reported to have a wide range of bioactivities. However, the ...
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. ...
Malignant peripheral nerve sheath tumour (MPNST) is a soft tissue sarcoma of the peripheral nervous system. Around 50% of MPNSTs develop in the context of the hereditary cancer neurofibromatosis type 1 (NF1), normally ...
LIF is a pleiotropic cytokine that can act as an immunomodulatory factor in different biological processes, such as embryo implantation, organ transplantation tolerance and multiple sclerosis. Here, we have observed that ...
The development of high-throughput sequencing technologies has prompted the evaluation of large cohorts of different tumor types. The results from these comprehensive genomic studies have revealed the most commonly mutated ...
Budding yeast (Saccharomyces cerevisiae) cells coordinate cell growth and cell cycle progression essentially during G1, where they must reach a critical cell size to traverse Start and enter the cell cycle. The most upstream ...
Development of the spinal cord involves coordination between exposure to localized extracellular signals and controlled activation of intracellular signaling pathways. This way, neuroepithelial cells firstly proliferate ...
