Literatura académica sobre el tema "Voie de signalisation RASSF"
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Artículos de revistas sobre el tema "Voie de signalisation RASSF"
Porquet-Bordes, V. "La voie de signalisation FGFR3". Perfectionnement en Pédiatrie 5, n.º 3 (enero de 2023): 3S10–3S14. http://dx.doi.org/10.1016/s2588-932x(23)00029-3.
Texto completoBrou, Christel y Frédérique Logeat. "Endocytose et voie de signalisation Notch". médecine/sciences 22, n.º 8-9 (agosto de 2006): 685–88. http://dx.doi.org/10.1051/medsci/20062289685.
Texto completoChantal Dreyer, Eric Raymond y Sandrine Faivre. "La voie de signalisation PI3K/AKT/mTOR". Cancéro digest 1, n.º 3 (2009): 187. http://dx.doi.org/10.4267/2042/28434.
Texto completoVallée, Alexandre. "Activation de la glycolyse aérobie par la voie canonique WNT/β-caténine". médecine/sciences 34, n.º 4 (abril de 2018): 326–30. http://dx.doi.org/10.1051/medsci/20183404013.
Texto completoBellaïche, Y. y N. Perrimon. "La voie de signalisation Wingless chez la drosophile." médecine/sciences 13, n.º 2 (1997): 166. http://dx.doi.org/10.4267/10608/332.
Texto completoLecourtois, M. "Les présénilines et la voie de signalisation Notch." médecine/sciences 15, n.º 8-9 (1999): 1043. http://dx.doi.org/10.4267/10608/1482.
Texto completoLessard, Lola, Laure Gallay y Rémi Mounier. "Altérations métaboliques dans la dystrophie myotonique de type I". médecine/sciences 40 (noviembre de 2024): 40–44. http://dx.doi.org/10.1051/medsci/2024129.
Texto completoCormier, Sarah, Céline Souilhol, Charles Babinet y Michel Cohen-Tannoudji. "Voie de signalisation Notch et développement précoce des mammifères". médecine/sciences 23, n.º 1 (enero de 2007): 26–28. http://dx.doi.org/10.1051/medsci/200723126.
Texto completoGama, Andrea, Linamary Perea, Catalina Yepes, Jhon J. Betancur, Jorge Vargas, Jerôme Amiaud, Sylvie Babajko, Frédéric Lezot y Beatriz Castaneda. "Effets de l’inhibition post-natale de RANKL sur l’éruption et la formation radiculaire des molaires de souris C57BL/6". L'Orthodontie Française 90, n.º 1 (marzo de 2019): 55–63. http://dx.doi.org/10.1051/orthodfr/2019008.
Texto completoGuy, Maud y Eve-Isabelle Pécheur. "Voie de signalisation Hippo, microenvironnement protumoral et carcinome hépato-cellulaire". médecine/sciences 34, n.º 10 (octubre de 2018): 879–81. http://dx.doi.org/10.1051/medsci/2018218.
Texto completoTesis sobre el tema "Voie de signalisation RASSF"
Tocqueville, Camille. "Implication de la Striatin3 dans la régulation des voies Wnt et Hippo dans le carcinome hépatocellulaire et son rôle de suppresseur de tumeur dans l’hépatoblastome". Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0495.
Texto completoThe aim of this thesis is to study the role of Striatin-3 in hepatoblastoma (HB) andhepatocellular carcinoma (HCC), two liver cancers characterized by genederegulations, chromosomal rearrangements, and mutations in genes related to theWnt/beta-catenin (Wnt) signaling pathway. These alterations lead to abnormalactivation of this pathway. Mutations in the gene encoding β-catenin (CTNNB1) arevery frequent in these cancers, with around 80% of cases in HB and 30% in HCC.The STRN3 protein belongs to a family of scaffold proteins, the striatins, which are partof the STRIPAK complex. This complex is known to regulate the phosphatase PP2A,which plays a role in multiple signaling pathways, such as the Hippo pathway and theMAPK cascade. In cancers, STRN3 has been associated with an oncogenic role bymodifying the action of PP2A, transforming this tumor suppressor protein into anoncogenic protein.Our results show that STRN3 is under-expressed in patient cohorts with HB, as wellas in cell lines derived from HB. STRN3 overexpression leads to a decrease in theproliferation of HB-derived cell lines and patient-derived lines (HB-PDX). However, ithas no effect on the proliferation of Huh7 cells, a line derived from HCC that has a wildtypeform of β-catenin. This reduction in HB cell line proliferation was confirmed by anirreversible cell cycle arrest. Furthermore, we showed that introducing mutationsinhibiting the β-catenin degradation complex in Huh7 cells induces a decrease in theirproliferation.Additionally, in Huh7 cells, STRN3 overexpression leads to a decrease in Wnt pathwayactivity, along with an increase in the nuclear activity of YAP/TAZ proteins,corresponding to inhibition of the Hippo pathway. In contrast, no effect of STRN3 onWnt and Hippo pathway activity was observed in lines with mutated forms of β-catenin.Our data suggests that STRN3 acts on the Wnt pathway independently of the β-catenindegradation complex. STRN3 also affects the regulation of the Hippo pathway, not byacting on the MST1/2, SAV1, and LATS1/2 kinases, but through the β-catenindegradation complex.Moreover, we sought to determine the impact of CTNNB1 gene mutations found in HBduring the different phases of liver embryonic development. To do this, we initiated thedevelopment of a new embryonic development model in Xenopus, allowing forcontrolled expression of the mutated form of β-catenin found in HB, to study themalignant transformation of hepatic cells. Although the development of this model hasnot yet been completed due to technical difficulties, it should represent an importantstep in studying the mechanisms of HB carcinogenesis.This thesis contributes to a better understanding of the role of STRN3 in liver cancers,particularly in the modulation of the Wnt and Hippo signaling pathways, as well as inthe regulation of the cell cycle
Moretti, Julien. "Déubiquitinations dans la voie de signalisation Notch". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2011. http://tel.archives-ouvertes.fr/tel-00726110.
Texto completoMoretti, Julien. "Deubiquitinations dans la voie de signalisation Notch". Paris 6, 2011. http://www.theses.fr/2011PA066365.
Texto completoFouillade, Charles. "Voie de signalisation Notch3 dans les artères cérébrales". Thesis, Paris 5, 2012. http://www.theses.fr/2012PA05T043.
Texto completoNotch3 encodes a transmembrane receptor primarily expressed in arterial smooth muscle cells. Human and mouse genetics studies demonstrated that Notch3 is a key player in physiology and diseases of small vessels. Studies in mice revealed that Notch3 is required to generate functional arteries in regulating arterial differentiation, maturation of vascular smooth muscle cells and myogenic tone. Cerebral Autosomal Dominant Arteriopathy with Subcortical infarcts and Leukoencephalopathy (CADASIL) is the most frequent hereditary small vessels disease in human adults caused by NOTCH3 mutations. Pathogenic mutations lead to an odd number of cysteine residues within the NOTCH3 extracellular domain. Data from the laboratory suggest a model that invokes novel pathogenic roles from the mutant NOTCH3 protein. The main goals of this work are: 1°) To determine if there is small vessels disease caused by modification of Notch3 activity 2°) To identify Notch3 effectors involved in development and maturation of cerebral arteries We identified a novel heterozygous missense mutation (L1515P) in the heterodimerization domain of NOTCH3 in a patient with cerebral small vessel distinct from CADASIL. In vitro analysis showed that the L1515P mutant exhibits increased canonical NOTCH3 signaling in a ligand-independent manner. Biochemical analysis suggests that the mutation renders NOTCH3 hyperactive through destabilization of the heterodimer. Transcriptome analysis using tail arteries of Notch3-/- and Notch3+/+ mice identified a core set of 17 novel Notch3-regulated genes confirmed in tail or brain arteries. Postnatal deletion of RBP-Jκ in smooth muscle cells recapitulated the structural, functional, and molecular defects of brain arteries induced by Notch3 deficiency. Transient in vivo blockade of the Notch pathway with γ-secretase inhibitors uncovered, in addition to Notch3, 6 immediate responders, including the voltage-gated potassium channel Kv1.5, which opposes to myogenic constriction of brain arteries, and the glutamate receptor-interacting protein-2, with no previously established role in the cerebrovasculature. We identified a vascular smooth muscle cell isoform of Grip2. We showed that Notch3-RBP-Jκ specifically regulates this isoform. Finally, we found that cerebral arteries of glutamate receptor-interacting protein-2 mutant mice, which express an N-terminally truncated glutamate receptor-interacting protein-2, exhibited selective attenuation of pressure-induced contraction. In conclusion, we have demonstrated the existence of a NOTCH3 activating mutation associated with small vessels disease in human. Our results show that, in the context of cerebral arteries maturation, Notch3 functions are mediated by CSL/RBPJK transcription factor. We have identified several new Notch3 effectors and validated Grip2 as a novel regulator of myogenic tone in cerebral arteries. One can expect that mutations in these Notch3-regulated genes could be responsible of some monogenic form of small vessel diseases of the brain
Moutal, Aubin. "CRMP5 dans les glioblastomes : fonction et voie de signalisation". Phd thesis, Université Claude Bernard - Lyon I, 2013. http://tel.archives-ouvertes.fr/tel-01056757.
Texto completoGirardin, Stephen. "Régulation de la voie de signalisation intracellulaire JNK/SAPK". Université Louis Pasteur (Strasbourg) (1971-2008), 2001. http://www.theses.fr/2001STR13179.
Texto completoMoreau, Manon. "Analyse de la voie de signalisation TOR chez arabidopsis thaliana". Paris 11, 2009. http://www.theses.fr/2009PA112328.
Texto completoThe TOR (Target Of Rapamycin) protein is a serine/threonine kinase related to the PIKK (PhosphatidylInositol Kinase-related Kinases) family, which is essential for survival and highly conserved between eukaryotes. TOR functions in two multiprotein complexes, TORC1 and TORC2 which integrate various environmental signals like growth factors, energy level, stress, and nutrient availability, thus regulating growth by controlling translation, transcription, ribosome biogenesis, autophagy, cell cycle, metabolism, and actin cytoskeleton organization. TORC1 and TORC2 are composed of different protein partners and play different roles in cells. TORC1 is composed of TOR, RAPTOR and LST8 while TORC2 is formed by TOR, LST8 and RICTOR. The Arabidopsis genome contains a single Tor gene, two Raptor genes, and two Lst8 genes but no obvious ortholog of Rictor gene which raises the question of the presence of a second TOR complex in plants. The goal of my thesis is to better understand the upstream and downstream components of the TOR signalization pathway as well as organization of the TOR complex in Arabidopsis. The LST8 protein study revealed that LST8 plays an important role in growth, development, flowering, nitrogen metabolism and long-day acclimatation. We also used ethanol inducible Tor RNAi lines to perform transcriptomic, translatomic, metabolomic and cytologic studies and unveiled potential targets and cellular functions of the TOR complex in Arabidopsis
Boutet, Nathalie. "Etudes moléculaires de la voie de signalisation Hedgehog chez l'homme". Bordeaux 2, 2003. http://www.theses.fr/2003BOR20990.
Texto completo"Hedgehogopathy" defines in human a group of hereditary dysmorphic syndromes with an alteration of the Hedgehog (Hh) pathway. In this pathway, the patched gene encodes a receptor that acts in opposition to Hh protein. In the absence of a functional PTCH protein, GLI transcription factors are overexpressed. In human, ptch1 gene mutations are involved in Gorlin syndrome or Nevoid Basal Cell Carcinoma Syndrome, and gli3 is mutated in Greig syndrome (GCPS) and Pallister-Hall syndrome (PHS). We have studied gene mutations spectrum in 151 patients cases of Gorlin syndrome, 52 cases of Greig and Pallister-Hall syndromes, with different techniques including dHPLC. 27 ptch1 mutations have been identified, where one recurrent mutation in exon 8, and 5 gli3 mutations. While a phenotype-genotype correlation seems to exist in Greig and Pallister-Hall syndromes, no correlation was found in the Gorlin syndrome. Patients affected by Gorlin syndrome generally develop basal cell carcinoma (BCC), in which GLI1 protein is overexpressed. We hypothesize that decoy oligonucleotides containing the GLI1 DNA binding site would effectively bind GLI1, preventing the transactivation of essential genes of the Hh pathway and thereby inhibiting proliferation. In this way, we design an experimental in vitro system, based on the transactivation of a reporter gene, the luciferase, which allows the visualisation of GLI DNA binding. However we were unable to demonstrate any inactivation of GLI1 by using decoy oligonucleotides
Dubacq, Caroline. "Laprotéine kinase Snf1 et le facteur de transcription Mig3 sont impliqués dans une nouvelle voie de réponse aux stress génotoxiques chez la levure Saccharomyces cervisiae". Paris 11, 2003. http://www.theses.fr/2003PA112187.
Texto completoGenotoxic stresses induce DNA damage or DNA replication block that can impair the transmission of genetic information. In the budding yeast S. Cerevisiae, the signal transduction pathway allowing cell cycle arrest and DNA repair is under the control of the essential Mec1 and Rad53 kinases, homologues of the ATR and Chk2 mammalian kinases. We show here a genetic interaction between a toxic RAD53-GFP allele and the MIG3 gene, encoding a transcriptional repressor of the MIG family. The Snf1 kinase, homologous to the mammalian AMPK, is activated during glucose starvation and is partly responsible for derepression of glucose repressed genes through phosphorylation of the Mig1 repressor. We demonstrate that the basal activity of Snf1 is required for an optimal tolerance to hydroxyurea, an inhibitor of ribonucleotide reductases (RNR) and thus DNA replication, to methyl methanesulfonate (MMS), a DNA alkylating agent, or to cadmium, a genotoxic metal. Snf1 is not required for cell cycle arrest or RNR2-4 transcriptional activation mediated by the Mec1 pathway. The Snf1 kinase may participate in DNA repair or in replication resumption. The Mig3 repressor is among the Snf1 targets in response to genotoxic stress or during glucose privation and dissimilar post-traductional modifications of Mig3 correlate with Snf1 kinase activity levels in both conditions. We determined through DNA microarray analysis that the Yap1 and Aft1 transcription factors seem to be activated during hydroxyurea exposure, probably enhancing redox and iron homeostasis that are two conditions required for RNR function. We suggest that Snf1 could be required to restore RNR function during hydroxyurea, MMS or cadmium induced genotoxic stress. Some evidence also suggests that Snf1 kinase activity is implicated in chromatin structure remodelling or in the transcriptional regulation of genes involved in vacuolar functions, in protein targeted degradation, or in membrane lipid synthesis during genotoxic stress
Nivlet, Laure. "Etude de la voie de signalisation Artn/Gfrɑ3 dans le pancréas". Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAJ087/document.
Texto completoThe generation of therapeutic ß-cell from human embryonic stem cells relies on the identification of growth factors that faithfully mimic pancreatic ß-cell development in vitro. In this context, the aim of the study was to determine the expression and function of a novel endocrine progenitor surface marker, the Glial cell line derived neurotrophic factor receptor α3 (Gfrα3) and its ligand Artemin in islet cell development and function.RT-PCR, In situ hybridization and immunochemistry were used to characterize the expression of Gfra3 and Artn mRNAs and proteins as well as of other members of the GDNF receptor and ligand family. We used Gfra3-deficient mice to study Gfrα3 function and generated a transgenic mice over expressing Artn in the embryonic pancreas to study Artn function. We found that Gfrα3 is expressed at the surface of a subset of Ngn3-positive endocrine progenitors as well as of embryonic α- and ß-cells, while Artn is found in the pancreatic mesenchyme. Adult ß-cell lack Gfrα3, but rare ß cell express the receptor. Gfrα3 is also found in parasympathetic and sympathetic intra islets neurons as well as in glial cell in the embryonic and adult pancreas. The loss of Gfrα3 or overexpression of Artn has no impact on Ngn3-and islet cell formation and maintenance in the embryo. Islet organisation and innervation as well as glucose homeostasis is normal in Gfrα3-deficient mice. Our data show that Gfrα3 is dispensable for islet cell differentiation and innervation suggesting functional redundancy. Gfrα3 could be instrumental as a surface marker for antibody–mediated sorting and characterization of relevant cell population during islet cell differentiation
Capítulos de libros sobre el tema "Voie de signalisation RASSF"
Robert, Jacques. "La voie Hedgehog". En Signalisation cellulaire et cancer, 119–25. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_10.
Texto completoRobert, Jacques. "La voie Wnt". En Signalisation cellulaire et cancer, 103–10. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_8.
Texto completoRobert, Jacques. "La voie Notch". En Signalisation cellulaire et cancer, 111–17. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_9.
Texto completoRobert, Jacques. "La voie des sémaphorines". En Signalisation cellulaire et cancer, 127–32. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_11.
Texto completoRobert, Jacques. "La voie des intégrines". En Signalisation cellulaire et cancer, 133–44. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_12.
Texto completoRobert, Jacques. "La voie des cytokines". En Signalisation cellulaire et cancer, 71–81. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_5.
Texto completoRobert, Jacques. "La voie du TGFβ". En Signalisation cellulaire et cancer, 83–90. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_6.
Texto completoRobert, Jacques. "La voie des MAP kinases". En Signalisation cellulaire et cancer, 45–58. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_3.
Texto completoRobert, Jacques. "La voie de la phosphatidylinositol-3-kinase". En Signalisation cellulaire et cancer, 59–69. Paris: Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0028-8_4.
Texto completo"Barrage de la voie navigable". En SIGNI - Code Européen de la signalisation et du balisage des voies navigables, 52–53. UN, 2019. http://dx.doi.org/10.18356/9c8c0b8c-fr.
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