Mostrando ítems 21-40 de 1013
Pineda i Tomàs, David (Fecha de defensa: 2005-04-21)
S'han identificat alguns dels presumptes components de la xarxa gènica implicada en la regeneració dels ulls a planària:<br/><br/>S'ha aïllat un fragment del gen de la opsina; <i>Gtops</i>. Aquest gen s'expressa als cossos ...
Domingo Villanueva, Enric (Fecha de defensa: 2007-02-27)
La via Ras-Raf-MAPK regula funcions cel·lulars com la proliferació, la transformació o l'apoptosi. En càncer sol presentar mutacions activants en algun dels tres gens que codifiquen per a Ras (KRAS, HRAS y NRAS) i en un ...
Vendrell i Soler, Elisenda (Fecha de defensa: 2005-04-07)
El càncer colorectal és una malaltia genètica que afecta principalment als països desenvolupats. A les fases inicials del desenvolupament del tumor es formen adenomes benignes, que amb el temps poden adquirir una estructura ...
Rodríguez Lumbiarres, Jairo (Fecha de defensa: 2008-01-25)
Tot i que la hipometilació global i regional del DNA va ser la primera alteració epigenètica detectada en tumors, les dificultats en el seu estudi, així com la manca de metodologies específiques que en permetin un anàlisi ...
Frigola Mas, Jordi (Fecha de defensa: 2005-07-01)
Els dos principals objectius d'aquesta tesis són: (1) la realització d'un estudi global, (2) anàlisi i caracterització d'alteracions recurrents, en els canvis de metilació genòmica associats al càncer de còlon. Amb la ...
Ullrich, Sebastian (Fecha de defensa: 2018-12-19)
Gene regulation orchestrates the development of different cell types and organs from the same genetic blueprint. While the basic mode of gene regulation is driven by transcription factors, there are a variety of other ...
Rodríguez Vaello, Victoria Eugenia (Fecha de defensa: 2020-12-11)
A fundamental step in embryo development is the transition through pluripotency. There are two known sequential states of pluripotency termed naïve and primed pluripotency. Considerable efforts have been made to characterize ...
Ozturk Colak, Arzu (Fecha de defensa: 2014-12-17)
Examples of tubular organ systems like the mammalian lungs and vascular system abound in the animal kingdom. In this study we used the Drosophila melanogaster tracheal system to study tubular organ development. In particular, ...
Simó Riudalbas , Marc (Fecha de defensa: 2018-07-20)
Until relatively recently, many groups of terrestrial reptiles were considered to contain only few species vastly distributed across the Arabian Peninsula. This was mostly the result of the apparent morphological uniformity ...
Galià Camps, Carles (Fecha de defensa: 2024-01-22)
[eng] In the last decades biological invasions have emerged as a global concern, as they impact local biodiversity by disrupting ecosystem functioning and ultimately affect human health, economy and wellness. In a climate ...
Mora García, Natalia (Fecha de defensa: 2012-10-26)
Drosophila es un modelo versátil para entender las bases genéticas de la señalización celular. En particular, el ojo compuesto de Drosophila proporciona un tejido ideal para estudiar los mecanismos de integración de señales ...
Olivares Castiñeira, Ivette (Fecha de defensa: 2017-12-20)
The tracheal (respiratory) system of the Drosophila embryo is a network of interconnected epithelial tubes that supplies and exchanges the gas to maintain the homeostasis of the entire organism. Maintaining a controlled ...
Ferrando-Bernal, Manuel (Fecha de defensa: 2021-07-09)
The aim of this thesis is to apply Identity by Descent (IBD) methodology to identify ancestry connections among individuals from genetically similar populations. Recombination events diminish the likelihood to detect IBDs. ...
Rius Camps, Nuria (Fecha de defensa: 2016-01-15)
Los elementos transponibles son unidades genéticas capaces de insertarse en otras regiones de los genomas en los que habitan y están presentes en casi todas las especies eucariotas estudiadas. El interés del análisis de ...
Morcillo Suárez, Carlos (Fecha de defensa: 2011-12-19)
New approaches are needed to manage and analyze the enormous quantity of biological data generated by modern technologies. Existing solutions are often fragmented and uncoordinated and, thus, they require considerable ...
Muiños Gimeno, Margarita (Fecha de defensa: 2009-12-18)
We have investigated genetic variation in microRNA-mediated regulation as a susceptibility factor for anxiety disorders following two different approaches. We first studied two isoforms of the candidate gene NTRK3 by ...
Moreno Estrada, Andrés (Fecha de defensa: 2009-04-21)
Natural selection has played an important role in shaping human genetic variation, thus, finding variants that have been targeted by positive selection can provide insights about which genes influence human phenotypic ...
Siedlecki Wullich, Dolores J. (Fecha de defensa: 2018-11-16)
La Enfermedad de Alzheimer (EA) es un desorden neurodegenerativo caracterizado por la pérdida temprana de sinapsis seguida por una degeneración progresiva y déficits de memoria que derivan en demencia. A día de hoy, la EA ...
Capella Gutiérrez, Salvador Jesús (Fecha de defensa: 2012-11-16)
Phylogenomics is a biological discipline which can be understood as the intersection of the fields of genomics and evolution. Its main focuses are the analyses of genomes through the evolutionary lens and the understanding ...
Casas Lamesa, Anna (Fecha de defensa: 2018-11-21)
Histone H1 is a key determinant of higher-order chromatin structures and for a long time it has been considered a main transcriptional repressor. So consistent with its biochemical properties, the absence of histone H1 was ...