Now showing items 21-40 of 42

    Functional Genetics of Suberin: The Role of CYP86A33 and StKCS6 in potato tuber periderm 

    Serra i Figueras, Olga (Date of defense: 2008-12-12)

    La caracterització funcional de dos gens en la peridermis, la ω hidroxilasa d'àcids grassos CYP86A33 -candidata per la funcionalització del carboni ω-terminal dels monòmers alifàtics de la suberina- i la ...

    Genetics and transcriptomics of adherent-invasive Escherichia coli (AIEC): new approaches to uncover molecular markers for its rapid identification 

    Camprubí Font, Carla (Date of defense: 2019-07-26)

    The adherent-invasive Escherichia coli (AIEC) pathotype could play a role in the course of Crohn’s disease. This is characterized by its capacity to adhere to and to invade intestinal epithelial cells as well as to replicate ...

    Glicosilació aberrant en proteïnes de secreció com a marcadors tumorals 

    Tabarés Carreras, Glòria (Date of defense: 2004-03-19)

    Als països desenvolupats, una de cada cinc persones morirà a causa del càncer. S'ha descrit que les cèl·lules canceroses presenten modificacions en els glicans presents a la superfície cel·lular i aquesta glicosilació ...

    El Inhibidor de carboxipeptidasa de patata (PCI): un antagonista del EGF con actividad antitumoral 

    Blanco Aparicio, Carmen (Date of defense: 1998-07-17)

    In this work we report that potato carboxypeptidase inhibitor suppresses the growth of several human and mouse pancreatic adenocarcinoma cell lines. The inhibitor also reduces the growth of solid tumors obtained by ...

    L´onconasa com a model per l´estudi de les bases moleculars de la citotoxicitat de les ribonucleases pancreàtiques. Aplicacions a la construcció de ribonucleases amb activitat antimicrobiana 

    Torrent Albertí, Gerard (Date of defense: 2009-03-27)

    La primera part d'aquest treball s´ha centrat en la caracterització i optimització del procés d'activació de l´onconasa recombinant per tal d'obtenir l´enzim igual a la forma nativa. Per això, les reaccions d'eliminació ...

    Molecular insights into mammalian sperm physiology: a comparative study of glutathione S-transferases in male reproduction 

    Llavanera Bruguera, Marc (Date of defense: 2023-05-12)

    Male infertility is a global health problem affecting one in four infertile couples. This also has a negative repercussion on the animal breeding industry, where infertility has a detrimental impact on their balance sheets. ...

    Molecular mechanism of PE5-induced cytotoxicity and generation of new cytotoxic nuclear-directed 

    Vert Company, Anna (Date of defense: 2014-07-30)

    Cytotoxic ribonucleases are promising agents to be used in the treatment of cancer. Our group previously described a cytotoxic human pancreatic ribonuclease variant, named PE5, which carries a nuclear localization signal. ...

    Moléculas séricas relacionadas con la fisiopatología del adenocarcinoma pancreático como posibles marcadores tumorales 

    Ferri Iglesias, María José (Date of defense: 2012-09-27)

    Serum levels of several molecules associated to pancreatic adenocarcinoma (PDAC) pathophysiology are evaluated in this work, in order to determine their diagnostic value, distinguishing between PDAC patients and healthy ...

    New tumour markers for pancreatic cancer based on the altered glycosylation of serum glycoproteins 

    Duran Sidera, Adrià (Date of defense: 2023-11-14)

    Pancreatic cancer (PaC) is the deadliest of all tumours, with a 5-year survival below 12% and a mortality/incidence ratio of 94.5%. One of the main reasons behind this dismal prognosis is the diagnosis of the disease at ...

    Nous mecanismes de resistència primària al trastuzumab (Herceptin): bases moleculars per a la determinació d'un nou subtipus de càncer de mama (Basal/ErbB2+) 

    Oliveras Ferrarós, Cristina (Date of defense: 2013-06-21)

    The aim of this doctoral thesis was to unravel mechanisms underlying primary resistance to trastuzumab regarding a putative new breast cancer subtype with mixed basal & ErbB2+ molecular features. Using the JIMT-1 breast ...

    Pancreatic cancer markers based on aberrant glycosylation of serum proteins 

    Balmaña Esteban, Meritxell (Date of defense: 2016-07-07)

    Cancer is one of the leading causes of death worldwide. Pancreatic ductal adenocarcinoma (PDAC) is characterized by high intrinsic aggressiveness and late diagnosis, causing poor prognosis and resulting in the lowest ...

    Paper del nucli hidrofòbic principal de la RNasa A en el plegament i desplegament induïts per pressió i temperatura 

    Font i Sadurní, Josep (Date of defense: 2006-06-02)

    Utilitzant temperatura i pressió com a agents desnaturalitzants s'ha explorat la contribució a l'estabilitat de diferents residus del principal nucli hidrofòbic de la RNasa A. Aquests resutats suggereixen que el principal ...

    Producció i caracterització de variants de la regió C-terminal de la ribonucleasa A. Importància d'aquesta regió sobre l'estabilitat de l'enzim 

    Coll Constans, M. Gràcia (Date of defense: 2000-03-31)

    Bovine pancreatic ribonuclease A (RNase A, EC 3.1.27.5) has been extensively studied from the structural, mechanistic and functional points of view. Within the protein folding context, it constitutes a good ...

    Purificació, caracterització i clonatge de la ribonucleasa de pàncreas humà 

    Ribó i Panosa, Marc (Date of defense: 1994-12-16)

    The answer to whether or not, human pancreatic ribonuclease may have a diagnostic value as a serum marker of pancreatic disease, depend upon the specific detection of ribonucleases originated in pancreas amogn those ...

    Regulation and function of silayltransferases in pancreatic cancer 

    Bassagañas i Puigdemont, Sònia (Date of defense: 2014-12-03)

    Changes in the expression of Lewis-type glycan antigens, especially a predominance of sialyl-Lewis x (SLex) structure, and the glycosyltransferases involved in its synthesis, correlate with pancreatic cancer invasive and ...

    Relació de la proteïna C-reactiva, el quocient neutròfils/limfòcits i l’adiponectina d’alt pes molecular amb paràmetres d’obesitat i de risc cardiometabòlic en nens prepuberals sans. Efecte modulador dels estils de vida 

    Díaz Roldán, Ferran (Date of defense: 2023-07-03)

    Childhood obesity is one of the most important public health problems and is associated with cardiometabolic risk factors (CMR). Low-grade inflammation plays a prominent role in the development of cardiometabolic alterations ...

    Relevance of sperm chromatin protamination, condensation and DNA integrity for sperm function and fertility: the role of toroid linker regions 

    Viñolas Vergés, Estel (Date of defense: 2023-07-27)

    Male fertilising capacity has traditionally been predicted by the assessment of sperm concentration, motility and morphology. During the last few decades, however, research has been particularly focused on the analysis of ...

    Resolució de l'estructura tridimensional de l'helicasa hexamètrica DnaB 

    Arribas Bosacoma, Raquel (Date of defense: 2009-07-22)

    Es presenta el model atòmic a 4.5 Å de DnaB, la principal helicasa replicativa bacteriana, d'Aquifex aeolicus. És un anell hexamèric de 100 Å d'amplada i 80 Å d'alçada amb dues capes de simetria diferenciada, la dels dominis ...

    Role of alpha 2,3-sialyltransferases ST3Gal III and ST3Gal IV in pancreatic ductal adenocarcinoma 

    Pérez Garay, Marta (Date of defense: 2011-02-07)

    Este trabajo demuestra que los genes que codifican para los enzimas beta-galactosido alfa-2,3-sialiltransferasa 3 (ST3Gal III), y en menor medida beta-galactosido alfa-2,3-sialiltransferasa 4 (ST3Gal IV), están directamente ...

    Structural and functional characterization of Apoptin and design of a monomeric variant with antitumor activity 

    Ruiz Martínez, Santiago (Date of defense: 2016-07-08)

    The main aim of the present study is to characterize the biological and biophysical properties of Apoptin, a viral protein that selectively induces apoptosis of a wide range of tumor cells. Apoptin has been produced and ...