Dissertations / Theses on the topic 'Cancer de la vessie'
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Lopez, Christophe. "Les tumeurs de vessie grade III stade PT1 : à propos de 105 cas." Montpellier 1, 1993. http://www.theses.fr/1993MON11031.
Full textBakkar, Ashraf. "Les mutations de FGFR3 et de TP53 dans le carcinome urothélial : intérêt diagnostique et valeur pronostique." Paris 13, 2005. http://www.theses.fr/2005PA132014.
Full textBerrahmoune, Saoussen Bezdetnaya-Bolotine Lina. "Étude des mécanismes régissant l'efficacité photodynamique sélective de l'Héxylaminolévulinate-Protoporphyrine IX dans le traitement du cancer de la vessie Application dans le cadre de la prévention de ses récidives /." S. l. : Nancy 1, 2009. http://www.scd.uhp-nancy.fr/docnum/SCD_T_2009_0012_BERRAHMOUNE.pdf.
Full textBerrahmoune, Saoussen. "Étude des mécanismes régissant l’efficacité photodynamique sélective de l’Héxylaminolévulinate-Protoporphyrine IX dans le traitement du cancer de la vessie : Application dans le cadre de la prévention de ses récidives." Thesis, Nancy 1, 2009. http://www.theses.fr/2009NAN10012/document.
Full textPhotodynamic therapy (PDT) is a treatment modality based on the cytotoxic effect occurring on target tissues by interaction of a photosensitizer with light in the presence of oxygen. The aim of this study was to optimise PDT for treatment and prevention of recurrence of bladder cancer. The study was performed in vivo. PDT was performed with Hexvix® a precursor of the photosentitizer protoporphyrin IX (PpIX). First, we executed a mechanistic analysis of differential PDT effects according to Hexvix® concentration. 8 or 16 mM induced diametrically opposed photodynamic effects. PDT efficacy is depends on the mitochondrial localization of PpIX and its concentration and leads to pro-apoptotic damages. Second, PDT was performed in a rat model mimicking post fluorescence guided TUR. The amount of viable tumor cell within the bladder lumen significantly decreased with PDT and resulted in a significant reduction of tumor implantation
Braud, Guillaume Bouchot Olivier. "Cystectomie totale pour cancer de vessie mortalité, morbidité et résultats carcinologiques /." [S.l.] : [s.n.], 2005. http://theses.univ-nantes.fr/thesemed/SPEbraud.pdf.
Full textLe, Bacquer Anne-Véronique. "Les complications de la BCG-thérapie endovésicale dans le traitement des cancers superficiels de "la vessie" : revue générale à propos d'un cas." Montpellier 1, 1995. http://www.theses.fr/1995MON11047.
Full textDelbos, Olivier. "Entérocystoplastie sigmoi͏̈dienne détubulée : nouveau procédé d'anastomose vésico-urétrale et résultats fonctionnels : à propos de 10 observations." Montpellier 1, 1995. http://www.theses.fr/1995MON11068.
Full textGodesence, Carole. "Place de la radiotherapie dans les cancers infiltrants de la vessie : revue generale." Lille 2, 1990. http://www.theses.fr/1990LIL2M304.
Full textPIETRI, MOROSOFF BRIGITTE. "Contribution a l'etude de la curietherapie dans les cancers de la vessie." Aix-Marseille 2, 1988. http://www.theses.fr/1988AIX20377.
Full textBesancon, Marjorie. "Immunothérapie non-spécifique du cancer de la vessie : développement de nouvelles approches basées sur la combinaison d'agents thérapeutiques." Doctoral thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27996.
Full textBladder cancer (BCa) is the ninth most common cancer in the world, with 430 000 new cases diagnosed in 2014. Muscle-invasive bladder cancer represents about 25% of bladder tumors, while non-muscle-invasive bladder cancer represents about 75% of these tumors. The latter are usually associated with a favorable prognosis but are characterized by a high rate of recurrence and progression while the former are aggressive from the onset and are at high risk of progression toward advanced disease. Among the various therapies available for the management of bladder tumors is non-specific immunotherapy using bacillus Calmette-Guerin (BCG) for the treatment on non-muscle invasive bladder tumors and, more recently, inhibitors of immune checkpoint (IC) for the treatment of advanced bladder tumors. BCa is one of the rare cancers to respond well to immunotherapy but, nevertheless, these treatments are suboptimal. The main objective of my project was to develop new immunotherapeutic approaches to fight more efficiently against BCa. To achieve this, three complementary approaches were investigated in murine BCa models. We first assessed in vitro and in vivo the potential of poly(I:C), a TLR3 agonist, used alone or in combination with BCG. While poly(I:C) induced anti-proliferative and apoptotic effects on BCa cells in vitro, the combination of poly(I:C) and BCG induced in vivo a complete tumor regression in 28% of treated mice. Then, we evaluated the potential of two combinations of IC inhibitors in two murine BCa models. The first combination studied was that of the simultaneous blockade of PD-1 and TIM-3 tested in the MBT-2 model because the characterization of the MBT-2 tumors showed that these two receptors where frequently IC expressed in these tumors. In vivo blockade of these pathways revealed that in MBT-2 tumors, PD-1 is associated to a pro-tumoral activity, whereas, TIM-3 is associated with anti-tumoral activity, revealing opposite functions of these IC in these tumors. The second combination studied was that of PD-1 and LAG-3 tested in the MB49 BCa model. The characterization of MB49 tumors showed that PD-1 and LAG-3 were important IC in these tumors. The in vivo study showed that the simultaneous blockade of PD-1 and LAG-3 increased the survival rate, since 67% of mice showed a complete tumor regression while the survival rates were 33% and 0% when anti-PD-1 and anti-LAG-3, respectively, were used in monotherapy. Finally, since androgens seem to play an important role in BCa, we tested an approach combining the inhibition of PD-1 and of the androgen receptor (AR). We showed that enzalutamide and seviteronel, two second generation antiandrogens, induced in vitro a decrease of the proliferation of human and murine BCa cells. In vivo, the combination of enzalutamide with anti-PD-1 showed a 66% overall survival rate, a rate that is much higher than the 16% rate observed when enzalutamide or anti-PD-1 were used alone. Thus, these studies allowed us to identify various possible ways to increase anti-tumor immune response that could be tested in clinical trials. They also show that the combination of therapeutic approaches is very promising the future of BCa immunotherapy.
DAUVERGNE, PIERRE-YVES. "Cancer de la vessie : influence de la chirurgie radicale sur le controle carcinologique pelvien ; a propos de 100 cas." Toulouse 3, 1992. http://www.theses.fr/1992TOU31531.
Full textNAPOLEON, MARIE-FRANCOISE. "Devenir fonctionnel des ileocystoplasties en u dans le cancer de la vessie : a propos de 14 cas." Toulouse 3, 1988. http://www.theses.fr/1988TOU31150.
Full textCODDE, MONGES ELISABETH. "Tumeurs malignes de la vessie chez l'enfant : a propos d'un cas de carcinome urothelial." Aix-Marseille 2, 1989. http://www.theses.fr/1989AIX20390.
Full textLafont, Irène. "Pronostic à 5 ans des tumeurs de vessie en fonction du stade du grade et du traitement : à propos de 100 dossiers." Montpellier 1, 1988. http://www.theses.fr/1988MON11307.
Full textBucco, Hélène. "Diffusion systémique du bacille de Calmette-Guérin après instillation intravésicale : à propos d'un cas." Montpellier 1, 1993. http://www.theses.fr/1993MON11194.
Full textBringuier, Pierre-Paul. "Identification et caractérisation de paramètres moléculaires impliqués dans le développement et la progression des tumeurs de la vessie." Lyon 1, 1997. http://www.theses.fr/1997LYO1T155.
Full textDecobert, Marc. "Facteurs prédictifs de l'issue de l'immunothérapie au BCG des tumeurs superficielles de la vessie." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24953/24953.pdf.
Full textNicolle, Rémy. "Regulatory networks driving bladder cancer." Thesis, Evry-Val d'Essonne, 2015. http://www.theses.fr/2015EVRY0009/document.
Full textCarcinogenesis is a consequence of the unceasing activation of cell proliferation. In normal cells, mito-genic stimuli are processed by a complex network of protein interactions and enzymatic reactions, often referred to as pathways, which can eventually trigger the activation of new genes to engage the cell into mitosis. During developmental or wound healing processes, this complex regulation of cellular phenotypes results in a tight control of the number and behavior of cells and therefore contributes to the maintenance of a functional and healthy tissue architecture. Based on genomic, transcriptomic and proteomic profiles of bladder tumors and transcriptomes of nor-mal urothelial cells at various states of proliferation and differentiation, I devised novel methodologies to characterize the pathways driving bladder cancer. I first developed a set of tools to identify and visualize sample and subtype-specific transcriptional pro-grams through the inference of a co-regulatory network and the prediction of transcription factor activity. These methods were embedded in a Bioconductor package entitled CoRegNet (bioconductor.org). The measure of transcriptional activity is based on the influence of a transcription factor on the expression of its target genes and was used to characterize the most active regulators of each bladder cancer subtypes. The integration of genomic profiles highlighted two altered transcription factors with driver roles in lumi-nal-like and basal-like bladder cancer, one of which was experimentally validated. The use of CoRegNet to model the contribution of regulatory programs of normal proliferation and diffe-rentiation in bladder cancers underlined a strong preservation of normal networks during tumorigenesis. Furthermore, a regulator of normal proliferation was found to be constitutively activated by genetic al-terations and its influence on bladder cancer cell proliferation was experimentally validated. In addition, a master regulator of urothelial differentiation was found to have a loss of activity in nearly all tumors. This was then associated to the discovery of frequent inactivating mutations and further analysis unco-vered a major role in differentiated tumors. In order to characterize signaling pathways from proteomic pull-down assays, I then designed a novel algorithm to grow a densely connected network from a set of proteins and a repository of protein interac-tions. The proposed algorithm was made available as a Cytoscape application named Pepper for Protein Complex Expansion using Protein- Protein interaction networks (apps.cytoscape.org). Finally, using both a proteomic pull-down assay of the bladder cancer oncogene FGFR3 and a transcrip-tomic profiling of its downstream regulated genes, I applied Pepper to characterize the full FGFR3 signa-ling pathway from its protein partners to the downstream transcriptional regulators. In particular, this uncovered a regulatory link between FGFR3 and the tumor suppressor TP53
LAGERSIE, PIERRE. "Immunotherapie des tumeurs superficielles de la vessie par le bcg endovesical." Lille 2, 1994. http://www.theses.fr/1994LIL2M332.
Full textSARDA, VALERIE. "Metastase vesicale revelatrice d'un cancer mammaire bilateral infraclinique : a propos d'un cas." Toulouse 3, 1993. http://www.theses.fr/1993TOU31108.
Full textDE, JONG ZORAN. "Evolution des tumeurs malignes urotheliales superficielles de la vessie controlees par cytologie et traitees par resection ou chimiotherapie in loco : a propos de 203 cas." Toulouse 3, 1988. http://www.theses.fr/1988TOU31076.
Full textDescotes, Françoise. "Oncogenes et cancers : interet de l'etude de her-2/neu dans les cancers du sein et de c-ha-ras-1 et c-k1-ras-2 dans les tumeurs de la vessie." Besançon, 1992. http://www.theses.fr/1992BESA3717.
Full textROQUES, NICOLAS. "Les facteurs pronostiques des tumeurs vesicales superficielles : apport de la proteine p53." Toulouse 3, 1994. http://www.theses.fr/1994TOU31521.
Full textGirard, Johanne. "Altération du sentier de signalisation Sonic Hedgehog dans le cancer superficiler de la vessie : description du phénomène et hypothèse." Doctoral thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/20951.
Full textSt-Onge, Denise. "Analyse de la valeur pronostique du contexte immunologique du cancer superficiel de la vessie." Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27009.
Full textLe cancer de la vessie est le 5e plus répandu au Canada. Les tumeurs vésicales non-infiltrant le muscle (TVNIM) représentent 70-75% des tumeurs au premier diagnostic. Après une résection transurétrale de tumeur de vessie (RTUTV), 60-70 % des patients souffriront de récidive et 10-20 % de progression vers l’infiltration du muscle (TVIM). Présentement, l’évaluation du risque de récidive ou de progression pour sélectionner le traitement approprié est basée sur les caractéristiques cliniques et pathologiques. La gestion des TVNIM à haut risque est l’un des aspects les plus difficiles à gérer pour un uro-oncologue et il est bien connu que l’issue clinique peut varier significativement entre des patients ayant une tumeur de même stade. Il serait donc important de détecter les tumeurs les plus susceptibles de récidiver et de progresser pour ajuster le traitement en conséquence. L’objectif de mon projet était d’analyser la valeur pronostique du contexte immunologique des TVNIM pour prédire leurs probabilités de récidive ou de progression vers l’infiltration du muscle. Mon premier volet consistait à évaluer la valeur pronostique de l’infiltration des cellules immunes, telles que les cellules dendritiques infiltrant les tumeurs (TIDC), les cellules T infiltrant les tumeurs (TIL) et les macrophages associés aux tumeurs (TAM) dans une cohorte de 106 TVNIM initiales. Les données d’infiltration des TIDC et des TIL dans les TVNIM démontrent leur importance dans l’évolution des patients atteints du cancer de la vessie et pourraient aider à identifier les TVNIM à haut risque. Mon deuxième volet consistait à caractériser un profil d’expression génique associé aux immunités innée et adaptative dans une série de 22 TVNIM. Cependant, le faible nombre de tumeurs disponibles a empêché d’obtenir une conclusion. Notre étude a permis de confirmer que la composition et le phénotype des cellules immunes infiltrant les TVNIM ont un impact sur l’évolution de ces tumeurs.
Bladder cancer is the 5th most common cancer in Canada. Non-muscle invasive bladder cancer (NMIBC) represents 70-75 % of tumours at first diagnosis. Although treated effectively by transurethral resection (TUR), they recur in 60-70% of cases and progress to muscle-invasive bladder cancer (MIVB) in 10-20%. Currently, the evaluation of the risk of recurrence or progression in NMIBCs to select the appropriate treatment is based on clinical and pathologic characteristics. The management of high risk NMIBCs is one of the most difficult issues in urologic oncology and it is well known that the clinical outcome can significantly vary between patients who have the same histological tumour stage. Therefore, it would be important to detect tumours that are most likely to recur or progress to adjust treatment accordingly. The objective of my project was to explore the potential of the immunological profile of NMIBC to predict their probability of recurrence or progression to muscle invasion. My first aim was to evaluate the clinical significance of the presence of tumor-infiltrating dendritic cells (TIDCs), tumor-infiltrating T cell (TILs) and tumor-associated macrophages (TAMs) in a cohort of 106 NMIBC tumours obtained at the initial diagnosis. Our data on the pattern of TIDCs and TILs infiltration in NMIBC underline their importance in the evolution of patients with bladder cancer and may help identify high-risk NMIBCs tumours. My second aim was to characterize profiles of immune gene expression associated with the innate and adaptive immune systems in a series of 22 NMIBCs to further refine a prognostic immune profile. However, the small number of tumours I could analyse prevented any conclusive analysis of the gene expression data. Our study allowed us to confirm that the composition and phenotype of the immune cell infiltrate in NMIBCs had an impact on the evolution of these tumours.
LEGON, CHRISTOPHE. "La cellulo-lymphadenectomie associee a la cystectomie totale a-t-elle une valeur curative dans le traitement des cancers avances de la vessie avec envahissement ganglionnaire ?" Saint-Etienne, 1994. http://www.theses.fr/1994STET6420.
Full textBRAULT, OLIVIER. "La chimiotherapie systemique par le cisplatine et le methotrexate dans les cancers de la vessie : etude de faisabilite et de tolerance : a propos de 40 cas." Lille 2, 1989. http://www.theses.fr/1989LIL2M299.
Full textJahan, Sophie. "Quelques aspects diététiques en relation avec le cancer de la vessie." Paris 5, 1993. http://www.theses.fr/1993PA05P050.
Full textMasson, Lecomte Alexandra. "Polymorphismes des gènes associés à l’inflammation et microenvironnement tumoral lymphocytaire CD8+ : valeur pronostique dans les carcinomes urothéliaux de la vessie." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC0073/document.
Full textThe aim of this study was to explore prognostic value for bladder cancer of germline polymorphisms in inflammatory genes and tumor CD8+ lymphocytic microenvironment. For constitutional markers, two approaches were conducted jointly: one genome-based using specific GWAS statistical methods, the other gene-based focusing on PDL1, an inflammatory gene implicated in immune checkpoints. At the genome level, using both standard and innovative statistical methods (multi marker methods Bayesian Lasso and Bayes A) we demonstrated that variants (SNPs) in TNIP1, CD5 and JAK3 were associated with the risk of recurrence of non-muscle invasive bladder cancer (NMIBC) while SNPs in MASP1, AIRE and CD3 were associated with risk of progression. Meanwhile, association between PDL1 and prognosis of NMIBC and muscle invasive BC (MIBC) was explored using classical SNPS by SNP investigations and a gene based approach. We identified a very strong association between PDL1 variants and MIBC prognosis in a large prospective cohort but failed replicating those results in the TCGA consortium series.In non-muscle invasive bladder cancer, we developed and evaluated a standardized counting approach of CD8+ cells, T-cytotoxic lymphocytes implicated in tumor cells death. Morphometric analysis after double immuno-staining of tumor cells and digitalization allowed separate estimation of CD8+ cells in the tumor and stroma compartment and estimation of spatial intra tumoral heterogeneity. We demonstrated that this heterogeneity compromised CD8+ estimation on Tissue Micro Arrays, which sample the tumors in a restrictive manner. Keeping those limitations in mind, we identified an association between CD8+ inflammatory infiltrate and both NMIBC stage and T1 tumours risk of recurrence. In the future, germline variation in inflammatory genes and evaluation of tumor inflammatory infiltrate could be integrated for better prediction of bladder cancer prognosis
Ayari, Cherifa. "Optimisation de l'immunothérapie non spécifique du cancer superficiel de la vessie." Doctoral thesis, Université Laval, 2012. http://hdl.handle.net/20.500.11794/23499.
Full textNon-muscle invasive bladder cancer (NMIBC) is characterized by a high rate of recurrence (60%). Ten to fiftheen % of the recurrences will progress toward muscle-invasive tumors, which are more dangerous. Transurethral resection (TUR) of non-muscle invasive tumors is frequently followed by intravesical immunotherapy using BCG (bacillus Calmette-Guérin) to prevent recurrence and progression but this treatment fails in 40% of cases. Moreover, the severity of the side effects prevents many patients to comply with the whole treatment. Tools to predict the response to BCG and the development of alternative treatments are therefore required. We first evaluated the clinical significance of the presence of tumor infiltrating mature dendritic cells (TIDCs) and of tumor-associated macrophages (TAMs) in low-risk NMIBCs treated only by TUR. The presence of TIDCs allowed the identification of patients that were at high risk of progression. In patients with NMIBCs at high risk of recurrence and progression treated with BCG, we observed that those with a high level of MAT or TIDC infiltration did not respond efficiently to BCG. In the second part of my work, I have explored the possibility to use other immunomodulatory agents to replace or complement BCG immunotherapy. I therefore selected toll-like receptors (TLRs) agonists for this purpose. TLRs, which are mainly expressed in immune cells but also epithelial cells, play an important role in the innate immunity by recognizing molecular patterns that are conserved between pathogens. I have first showed that TLRs are expressed and functional in normal and tumor urothelial cells. Then, I showed that poly(I:C), a TLR3 agonsist, has direct cytotoxic and antiproliferative effects on bladder cancer cell lines. In MGH-U3 cells, it induces the secretion of proinflammatory cytokines and expression of major histocompatibility class I molecules whereas BCG has little effect on the immunogenicity of these cells. A growth inhibition assay using the MBT-2 murine bladder cancer model showed that the combination of poly(I:C) and BCG inhibited very significantly the growth of bladder cancer cells whereas each product alone had no significant effect. Our study suggests that poly(I:C), due to its anti-tumoral effects, could improve the therapeutic efficacy of BCG for the immunotherapy of NMIBCs.
Ayari, Cherifa. "OPTIMISATION DE L’IMMUNOTHÉRAPIE NON SPÉCIFIQUE DU CANCER SUPERFICIEL DE LA VESSIE." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28893/28893.pdf.
Full textNon-muscle invasive bladder cancer (NMIBC) is characterized by a high rate of recurrence (60%). Ten to fiftheen % of the recurrences will progress toward muscle-invasive tumors, which are more dangerous. Transurethral resection (TUR) of non-muscle invasive tumors is frequently followed by intravesical immunotherapy using BCG (bacillus Calmette-Guérin) to prevent recurrence and progression but this treatment fails in 40% of cases. Moreover, the severity of the side effects prevents many patients to comply with the whole treatment. Tools to predict the response to BCG and the development of alternative treatments are therefore required. We first evaluated the clinical significance of the presence of tumor infiltrating mature dendritic cells (TIDCs) and of tumor-associated macrophages (TAMs) in low-risk NMIBCs treated only by TUR. The presence of TIDCs allowed the identification of patients that were at high risk of progression. In patients with NMIBCs at high risk of recurrence and progression treated with BCG, we observed that those with a high level of MAT or TIDC infiltration did not respond efficiently to BCG. In the second part of my work, I have explored the possibility to use other immunomodulatory agents to replace or complement BCG immunotherapy. I therefore selected toll-like receptors (TLRs) agonists for this purpose. TLRs, which are mainly expressed in immune cells but also epithelial cells, play an important role in the innate immunity by recognizing molecular patterns that are conserved between pathogens. I have first showed that TLRs are expressed and functional in normal and tumor urothelial cells. Then, I showed that poly(I:C), a TLR3 agonsist, has direct cytotoxic and antiproliferative effects on bladder cancer cell lines. In MGH-U3 cells, it induces the secretion of proinflammatory cytokines and expression of major histocompatibility class I molecules whereas BCG has little effect on the immunogenicity of these cells. A growth inhibition assay using the MBT-2 murine bladder cancer model showed that the combination of poly(I:C) and BCG inhibited very significantly the growth of bladder cancer cells whereas each product alone had no significant effect. Our study suggests that poly(I:C), due to its anti-tumoral effects, could improve the therapeutic efficacy of BCG for the immunotherapy of NMIBCs.
Letouzé, Eric. "Analyse bioinformatique des voies de progression du cancer de la vessie." Paris 7, 2010. http://www.theses.fr/2010PA077151.
Full textUnraveling the successive alterations driving carcinogenesis is a major challenge in cancer research, as it would enable a better predication of prognosis, and the identification of genes implicated in crucial steps of cancer progression. Chromosome aberrations alter the quantity of DNA hence the expression levels of genes, and have been shown to play an important role in tumorigenesis. Moreover, cost-efficient techniques, such as array-CGH or SNP arrays, enable the genome-wide detection of these features. In the present manuscript, I tried to unravel the sequence of copy number alterations underlying bladder cancer progression, following 3 different approaches. First, I used existing methods to extract general features of cancer progression from a CGH data set of 78 independent bladder tumors. Second, I proposed an algorithm, TuMult. To automatically reconstruct the tumor lineage, together with the sequence of copy number alterations, from the analysis of several samples from a same patient. The performance of TuMult was validated through the analysis of simulated data of tumor progression. When applied to experimental data sets of bladder, breast, and metatstatic prostate cancers, TuMult proved valuable in identifying chromosome events occurring at crucial steps in cancer progression. Finally, I investigated the opportunity to take advantage of intra-tumor heterogeneity to reconstruct the sequence of events underlying tumor development from the analysis of distinct samples within a single tumor
Momas, Isabelle. "Epidémiologie du cancer de la vessie dans l'Hérault : enquête cas-témoins." Montpellier 1, 1990. http://www.theses.fr/1990MON13501.
Full textRafla, Mona Helmy. "Les acteurs pronostiques du cancer de la vessie bilharzienne en Egypte." Paris 7, 1985. http://www.theses.fr/1985PA07F098.
Full textMonier, Frédérique. "Protéolyse matricielle et cancer de vessie équilibré gélatinases/NGAL/TIMP-1." Université Joseph Fourier (Grenoble ; 1971-2015), 2001. http://www.theses.fr/2001GRE10091.
Full textSoyeur, Luc. "Les marqueurs urinaires des tumeurs urothéliales : place du CYFRA 21-1." Bordeaux 2, 2001. http://www.theses.fr/2001BOR23021.
Full textBoireau, Stéphanie. "Perturbations des jonctions serrées dans les carcinomes urothéliaux de la vessie." Montpellier 1, 2005. http://www.theses.fr/2005MON13515.
Full textCalmels, Sylvie. "Formation de composés N-nitrosés cancerogènes par les bactéries : étude du mécanisme de la nitrosation bactérienne et de son rôle sur le déterminisme des cancers de l'estomac et de la vessie chez l'homme." Lyon 1, 1987. http://www.theses.fr/1987LYO10122.
Full textClément, Thierry. "Introduction a l'etude des organisateurs nucleolaires (nors) dans les tumeurs superficielles de la vessie : a propos de 37 cas." Reims, 1990. http://www.theses.fr/1990REIMM115.
Full textHo, Joël Rainui. "Analyse transcriptomique des cancers de la vessie : application aux protéines Rab et partenaires." Paris 6, 2011. http://www.theses.fr/2011PA066024.
Full textTo, Thuy Trang. "Rôle des GTPases RAB25 et RAB11 dans la tumorigénése des cancers de la vessie." Electronic Thesis or Diss., Paris 6, 2016. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2016PA066227.pdf.
Full textActivation of FGFR3 by point mutation, translocation and overexpression is one of the most frequent events in bladder cancer. The dysfunction of RAB25, a GTPase involved in endocytic recycling of transmembrane receptor, has been shown in many cancers. Gene expression data in bladder cancer indicates that RAB25 expression is significant higher in tumors carrying altered FGFR3. The thesis project aimed to investigate the potential role of RAB25, proteins from the same family (RAB11A and RAB11B) and their effectors RAB11FIP2 and MYO5B in 1) the tumorigenesis of tumors carrying altered FGFR3 and 2) the trafficking and the signaling of FGFR3. Our results demonstrate that depletion of these proteins by siRNA significantly reduces cell viability in cells expressing constitutively activated forms of FGFR3. The effects of RAB25 and RAB11 silencing on FGFR3 trafficking and signaling and the expression of FGFR3 target genes suggest that the RAB11- and RAB25-mediated recycling can sustain the signaling by protecting altered FGFR3 from the degradation pathway, and can provide a platform for FGFR3 signaling We also compared the subcellular distribution of wild type and mutant (S249C) forms of FGFR3. These two forms localize to different compartments including early endosomes, late endosomes and recycling compartments. The S249C FGFR3 mutant preferentially localizes to the endocytic recycling compartment. Our findings shed light to the molecular mechanisms underlying the relationships between the trafficking and signaling of FGFR3 in the context of bladder cancer
Pertuis, Lancelin Frédérique. "Etude de l'activité télomérase dans les tumeurs épithéliales de la vessie." Paris 5, 1998. http://www.theses.fr/1998PA05P063.
Full textLongin, Arlette. "Obtention et intérêt des anticorps monoclonaux (AcM) dirigés contre les tumeurs épithéliales de la vessie." Lyon 1, 1988. http://www.theses.fr/1988LYO10046.
Full textCompérat, Eva. "Les évènements moléculaires dans la cancerogènese vesicale." Paris 7, 2006. http://www.theses.fr/2006PA077080.
Full textUrothelial carcinoma (UC) is a frequent cancer, with an incidence of 7800 new cases diagnosed annually in France. These tumors display multifocality and are heterogeneous. Eighty percent are superficial non-invasive neoplasms (pTa) or chorion invasive neoplasms (pTl). Patients with muscle-invasive cancers (pT2) have poor clinical outcome. Bladder carcinogenesis follows a multistep process from dysplasia to carcinoma in situ and bladder wall infiltration. Global analysis of transcriptom is not completely understood. The following studies wanted to gain better insight into the early molecular mechanisms of bladder carcinogenesis, using the real-time quantitative reverse transcriptase-polymerase chain reaction (RT-PCR). We analysed the expression levels of 11 selected genes in bladder spécimen from normal tissue and from different stages in cancer development. Aurora-A involved in mitosis increased in a linear way and was correlated to tumor stage. Five genes showed decreasing levels in cancer: Genes concerning lymphangiogenesis, intercellular adhesion and urothelial differentiation. This study bas been completed by immunohistochemical studies to determine whether expression of these molecules showed correlation to stage and relapse
To, Thuy Trang. "Rôle des GTPases RAB25 et RAB11 dans la tumorigénése des cancers de la vessie." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066227/document.
Full textActivation of FGFR3 by point mutation, translocation and overexpression is one of the most frequent events in bladder cancer. The dysfunction of RAB25, a GTPase involved in endocytic recycling of transmembrane receptor, has been shown in many cancers. Gene expression data in bladder cancer indicates that RAB25 expression is significant higher in tumors carrying altered FGFR3. The thesis project aimed to investigate the potential role of RAB25, proteins from the same family (RAB11A and RAB11B) and their effectors RAB11FIP2 and MYO5B in 1) the tumorigenesis of tumors carrying altered FGFR3 and 2) the trafficking and the signaling of FGFR3. Our results demonstrate that depletion of these proteins by siRNA significantly reduces cell viability in cells expressing constitutively activated forms of FGFR3. The effects of RAB25 and RAB11 silencing on FGFR3 trafficking and signaling and the expression of FGFR3 target genes suggest that the RAB11- and RAB25-mediated recycling can sustain the signaling by protecting altered FGFR3 from the degradation pathway, and can provide a platform for FGFR3 signaling We also compared the subcellular distribution of wild type and mutant (S249C) forms of FGFR3. These two forms localize to different compartments including early endosomes, late endosomes and recycling compartments. The S249C FGFR3 mutant preferentially localizes to the endocytic recycling compartment. Our findings shed light to the molecular mechanisms underlying the relationships between the trafficking and signaling of FGFR3 in the context of bladder cancer
Rafla, Mona Helmy. "Cancer de la vessie avec schistosomiase : modeles pronostiques de recidive et leur evaluation." Paris 7, 1987. http://www.theses.fr/1987PA077149.
Full textRafla, Mona Helmy. "Cancer de la vessie avec schistosomiase modèles pronostiques de récidive et leur évaluation /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37609127v.
Full textDe, Barros Santos Camilla. "The role of lysosome alterations in bladder cancer progression." Electronic Thesis or Diss., Paris 6, 2017. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2017PA066250.pdf.
Full textCancer is a multifactorial disease defined by a rapid development of abnormal cells. Malignant cells acquire competitive advantages for growth and proliferation through a big spectrum of genetic and epigenetic changes leading to major changes in the transcriptome and proteome profiles and thus to alterations in multiple signaling pathways, intracellular trafficking and metabolism. Although many cellular pathways have been studied in the context of cancer, including signaling, migration, loss of apical-basal cell-polarity and cell adhesion, little is known about cancer-related alterations on the sub-cellular, organelle level. This PhD thesis aimed to identify alterations in intracellular compartments and to study how these changes correlate with cancer progression. In classical culture, the systematic study on the organization and relative positioning of organelles is challenging because of the strong morphological cell-to-cell variations. To overcome this problem, we used innovative micro-patterning technique in combination with quantitative, probabilistic mapping of cell organelles. Using a systematic analysis of different cell lines representing different stages of bladder cancer, we identified several changes in the positioning of organelles. The most striking phenotype was revealed by lysosomes, whose distribution was more peripheral in cells representing higher grades of bladder cancer. This suggested that lysosome positioning could be potentially relevant in cancer progression. Therefore, we aimed to characterize the impact of lysosome alteration on cell behavior in transformed cells. We found that changes in lysosome positioning played a role on bladder cancer cell invasion. Indeed, anterograde transport of lysosomes correlate with 3D invasion behavior, contrary to retrograde transport that correlated with decreased cell invasion. Finally, we studied about the molecular mechanisms by which lysosome alterations impact cell invasion
Rochaix, Philippe. "Les anticorps do-1, mib-1 et egfr1 : etude de leur valeur pronostique dans 96 observations de tumeurs vesicales urotheliales." Toulouse 3, 1994. http://www.theses.fr/1994TOU31506.
Full textLeblanc, Bertrand. "Étude préliminaire du protocole m. Vac dans le cancer de vessie : à propos de 20 cas." Bordeaux 2, 1988. http://www.theses.fr/1988BOR25242.
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