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Academic literature on the topic 'Gènes du néphroblastome'
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Dissertations / Theses on the topic "Gènes du néphroblastome"
Bandiera, Roberto. "Développement et homéostasie adrenogonadique : rôle des gènes WT1 et RSPO1." Nice, 2010. http://www.theses.fr/2010NICE4051.
Full textAdrenal glands and gonads share a common anlagen, the adrenogonadal primordium (AGP). The Wilms’ tumour suppressor gene 1 (WT1) encodes for a zinc-finger transcriptional regulator that plays a central role in adrenogonadal development. Several isoforms are produced by the WT1 gene locus. Two splicing isoforms, called + and – KTS show very different biochemical properties and fulfill distinct functions. The Frasier syndrome, a dominant pathology characterized by renal disease and XY sex reversal, is caused by mutations in the WT1 gene which interfere with the production of the + KTS isoforms. In a first part of this thesis we investigated the molecular causes of the sex reversal in XY Frasier patients using a previously generated mouse model and by generating mice able to ectopic express Wt1 + or – KTS in a tissue specific fashion (Rosa26:Wt1+/-KTS mice). In a second part of our work, we induced Rspo1 ectopic expression in the developing gonad making use of previously generated Rosa26:Rspo1 mice (Vidal V. , unpublished data) and the Sf1:Cre line. XY Rosa26:Rspo1; Sf1:Cre mice had normal sexual development and were fertile. Surprisingly, the females were completely infertile and have adrenocortical defects. While expressed in the AGP, after separation of the adrenal and genital anlagen Wt1 is then restricted to the last. In the last part of this thesis we discovered the existence of WT1 positive cell population within the adrenal capsule of both mouse and human able to generate mature adrenocortical cells both during development and in adult life
Corbin, Marie. "Vers la caractérisation de deux mécanismes pour le néphroblastome." Paris 5, 2008. http://www.theses.fr/2008PA05T035.
Full textBased on a tumor classification that took into account both genomic and expression status of WTl,beta-catenin and WTX, combined with genome-wide expression and genomic profiling analyses, we present the first molecular evidence that dysregulation of the Wnt pathway occurs in all tumors, with and without CTNNB1 mutations. Our strategy of sample class comparison including comparisons with control samples allowed us to identified two sets of target genes, one specific of tumors with WTl/beta-catenin alterations and one common to all tumors. We present evidence that activation of the Wnt pathway in absence ofCTNNBl mutations is not restricted to rumors with WTX mutations. By genome transcriptome correlation analysis, we identified genes encoding Wnt pathway regulators (BCL9, CTNNBIP1 and CBY1) whose dysregulation in tumors with chromosomal gain or losses could participate in Wnt pathway activation. Finally, we present data suggesting the prognostic value of WTX mutations
Cécille, Agnès. "Etude moléculaire des exons 8 et 9 du gène WT1 dans le syndrome de Denys-Drash et les scléroses mésangiales isolées." Paris 5, 1997. http://www.theses.fr/1997PA05P074.
Full textChevalier, Gaëlle. "Etude de l'expression du gène nov au cours de la différenciation rénale et du développement des néphroblastomes chez la poule et chez l'homme." Paris 6, 1999. http://www.theses.fr/1999PA066596.
Full textBooks on the topic "Gènes du néphroblastome"
Wilms tumor: Clinical and molecular characterization. R.G. Landes Co., 1995.