Universitat de Barcelona
Now showing items 41-60 of 107
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. ...
La tesis ha constado de dos partes: 1) Puesta a punto de una técnica EIA para la detección de anticuerpos anti-toxocara y 2) Estudio seroepidemiológico de la población hospitalaria en Barcelona. Se ha utilizado un antígeno ...
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 ...
Aquest treball està basat en un experiment de més d'un any i mig d'observacions diàries, dissenyat per tal d'estudiar alhora dos objectius principals: l'un ha estat l'estudi de l'evolució del patró del ritme circadiari ...
Malaria is arguably one of the main medical concerns worldwide because of the numbers of people affected, the severity of the disease and the complexity of the life cycle of its causative agent, the protist Plasmodium spp. ...
Mitochondria are intracellular double-membrane bound organelles in eukaryotic cells that act as the major suppliers of adenosine triphosphate (ATP). They possess their own DNA (mtDNA) that codes for components of the ...
One of the most fundamental events in the history of life is the origin of mitochondria. It was firstly proposed by Ivan Wallin, and later popularized by Lynn Margulis, as part of the endosymbiotic theory, that mitochondria ...
The diversity of life forms around us is astounding: a walk in the woods, or even down the street, shows us organisms of different morphologies: two legs, four legs, wings; different capacity of interaction with our ...
En el Departament de Bioquímica de la Facultat de Medicina s'està portant a terme, des de fa un temps, una línia d'investigació basada en l'estudi del metabolisme del 2,3-bisfosfoglicerat, el cofactor de la ...
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 ...
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 ...
