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Artykuły w czasopismach na temat "Mutations secondaires"
Venot, Quitterie, i Guillaume Canaud. "Syndromes hypertrophiques secondaires aux mutations de PIK3CA". Néphrologie & Thérapeutique 13 (kwiecień 2017): S155—S156. http://dx.doi.org/10.1016/j.nephro.2017.02.004.
Pełny tekst źródłaAWO, Dieudonné A. "Stratégies des ONG internationales dans le maintien des élèves à l’école au Bénin: Cas de Bornefonden dans la commune de Bassila de 1996 à 2016". Journal of Quality in Education 11, nr 17 (5.05.2021): 131–59. http://dx.doi.org/10.37870/joqie.v11i17.254.
Pełny tekst źródłaBélanger, Paul. "Mutations du syndicalisme québécois : hypothèse en vue d'une recherche". Articles 9, nr 3 (12.04.2005): 265–79. http://dx.doi.org/10.7202/055407ar.
Pełny tekst źródłaBakour, Mohammed, i Tahar Baouni. "Étalement urbain et dynamique des agglomérations à Alger : quel rôle pour la promotion administrative ?" Cahiers de géographie du Québec 59, nr 168 (10.08.2016): 377–406. http://dx.doi.org/10.7202/1037255ar.
Pełny tekst źródłaProkop, Jiří, Magdalena Kohout-Diaz i Stanislav Bendl. "République tchèque : mutations de l’éducation primaire et secondaire". Revue internationale d'éducation de Sèvres, nr 58 (1.12.2011): 28–33. http://dx.doi.org/10.4000/ries.2144.
Pełny tekst źródłaRouyer, Alice, Bénédicte Héron, Benoît Rucheton, Norma Romero, Pascale De Lonlay i Pascal Laforêt. "Rhabdomyolyse et acidose lactique sévères secondaires à une mutation FDXL1". Revue Neurologique 176 (wrzesień 2020): S22—S23. http://dx.doi.org/10.1016/j.neurol.2020.01.102.
Pełny tekst źródłaBonifassi, Georges. "L’enseignement public en France : mutations, réactions et perspectives". Tocqueville Review 7, nr 1 (styczeń 1986): 236–50. http://dx.doi.org/10.3138/ttr.7.1.236.
Pełny tekst źródłaBonifassi, Georges. "L’enseignement public en France : mutations, réactions et perspectives". Tocqueville Review 7 (styczeń 1986): 236–50. http://dx.doi.org/10.3138/ttr.7.236.
Pełny tekst źródłaChouiali, Ahlem, i Dubé Jean. "UNE HYPERLIPIDÉMIE SECONDAIRE A NE PAS OMETTRE". Clinical & Investigative Medicine 32, nr 6S (15.12.2009): 4. http://dx.doi.org/10.25011/cim.v32i6s.11138.
Pełny tekst źródłaČeredničenko, Galina. "L'école secondaire russe en mutation (d'après la situation à Moscou)". Revue d’études comparatives Est-Ouest 31, nr 3 (2000): 99–125. http://dx.doi.org/10.3406/receo.2000.3041.
Pełny tekst źródłaRozprawy doktorskie na temat "Mutations secondaires"
Gallien, Sébastien. "Mutations secondaires lors des traitements antirétroviraux des patients infectés par le VIH-1 du groupe M : significations cliniques de l'échappement viral". Paris 7, 2011. http://www.theses.fr/2011PA077219.
Pełny tekst źródłaVirologic failure, defined as a persistent detectable viremia under antiretroviral therapy, is mainly driven by the emergence of antiretroviral Drug Resistance-Associated Mutations (DRAM) in the target genes of antiretroviral drugs. Identifying these mutations usually requires viremia above 1000 copies/mL, explaining why resistance data in persistent HIV-1 low-level viremia (LLV) (< 1000 copies / ml) are scarce in spite of the fact that this clinical situation concerns 5 to 10 % of treated HIV-infected individuals. In this work, we studied DRAM in 3 cohorts of HIV-1 infected patients, who experienced LLV (< 500 to 1000 copies/ml) under antirétroviral therapy, and then attempted to identify clinical and virologic factors associated to their emergence. For patients receiving first-line antiretroviral therapy, new DRAM are detected during LLV in 37% subjects, all in the reverse transcriptase gene except in the protease gene in one participant, and detection of new DRAM is associated with higher HIV-1 RNA levels during LLV. Integrase inhibitors resistance-associated mutations are newly detected in 7,7 % of pretreated patients with multi-resistant virus strains who experienced LLV while receiving raltegravir-containing therapy, with no factors significantly associated with their emergence identified. Finally in a third cohort of patients, heterogeneous according to their antiretroviral history and their viral population, new DRAM are detected in 30 % of subjects for both reverse transcriptase, protease and integrase inhibitors, without any factor associated to their emergence. So, new DRAM can be detected during LLV under antiretroviral therapy, whereas their type and their frequency vary according to the current antiretroviral regimen and the previous archived viral mutations. These data underline the potential interest of drug résistance genotyping in this setting, in order to be able to provide an early therapeutic optimization, the utility of which should be assessed in the future
Eudes, Richard. "Développements méthodologiques relatifs à l'attribution et à la prédiction des structures secondaires des protéines globulaires : classification structurale de mutations du transporteur CFTR, observées chez des patients atteints de mucoviscidose". Paris 6, 2006. http://www.theses.fr/2006PA066170.
Pełny tekst źródłaHeintzé, Maxime. "Rôles des mutations somatiques dans STAG2, TP53 et CDKN2A et de la chromoplexie dans l'oncogenèse du sarcome d'Ewing". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASL093.
Pełny tekst źródłaEwing sarcoma is the second most frequent pediatric cancer of the bones and soft tissues. It is characterized by the presence of a chromosomal translocation that fuses a gene from the FET family with a transcription factor from the ETS family. In 85% of cases, the t(11;22)(q24;q12) translocation fusing the EWSR1 and FLI1 genes is observed, and in 10% of cases, the t(21;22)(q22;q12) translocation fusing EWSR1 with ERG can be found. These fusion proteins exert an aberrant oncogenic role. Somatic mutations in the STAG2, TP53 and CDKN2A genes are frequently found in patient tumors. In particular, STAG2, a gene involved in the cohesin complex, is increasingly observed to be mutated or inactivated in cancers today. A recently described phenomenon of genomic instability, known as chromoplexy, is now found in 18% of cancers. Chromoplexy involves multiple, generally balanced, rearrangements between several chromosomes, forming complex translocation loops. Interestingly, tumors from patients positive for the EWSR1-ERG fusion are almost always associated with chromoplexy.Understanding the role of additional somatic mutations and chromoplexy in the initiation of oncogenesis in this sarcoma is necessary to decipher the mechanisms of cellular transformation in this disease. To generate new study models, we endogenously induce EWSR1-ETS translocations associated with additional mutations in primary human mesenchymal stem cells (MSCs), a potential cellular origin of this sarcoma, using CRISPR-Cas9. To better understand the mechanism of chromoplexy, we hypothesized that the orientation of the EWSR1 and ERG genes on their respective chromosomes leads to the formation of a theoretical dicentric chromosome. This highly unstable chromosome may promote the formation of rearrangement loops, such as chromoplexy, to stabilize the genome.In this way, we were able to generate a novel, innovative model of Ewing sarcoma from primary human MSCs. These models showed the ability to develop tumors and metastases when injected in vivo into mice. These tumors recapitulated all the typical characteristics of Ewing sarcoma, including its characteristic morphology and the membrane expression of the CD99 marker. Moreover, the transcriptomic profiles of the tumors were highly similar to those of patient tumors.Subsequently, we used the EWSR1-ERG fusion to study chromoplexy. Through the use of specific inhibitors targeting DNA double-strand break repair pathways, we were able to promote the formation of rearrangement loops in model cells. From our results, we generated entirely new, original models presenting the EWSR1-ERG fusion, with or without chromoplexy, from primary human MSCs.This work confirms a potential mesenchymal origin for this sarcoma. We have shown that the endogenous induction of EWSR1-ETS fusions enables complete cellular transformation when associated with additional somatic mutations in the STAG2, TP53, and CDKN2A genes. Finally, we were able to partially understand the role of chromoplexy in the initiation of oncogenesis in Ewing sarcoma
Mani, Philippe Jacques. "Le chef d'établissement public d'enseignement secondaire général au Cameroun à l'ère des mutations socio-économiques et politiques". Thesis, Lyon 2, 2015. http://www.theses.fr/2015LYO20144.
Pełny tekst źródłaThe management of schools in Cameroon’s educational system, notably government schools in the general secondary education, follows the bureaucratic logic pertaining to its functioning. This system is organized as a pyramid typical of that of a centralized system of governance which is a top-to-bottom approach. Discretional power plays an undeniable role in the appointment of officials. Despite the country’s evolution, the running of lycées and colleges remains intertwined to this management approach. And yet, its obsolete nature is glaring given the choice of a decentralized political structure. In fact, if the process of decentralization and all its accessories demand professional citizens, they also aspire to officials with established competences. In the case of these aforementioned school directors, we suggest a move from a position to a profession. Professionalization which is a prerequisite for this career path could not be limited to a mere institutional prescription based on the normalization of practises given a competences framework of reference. This research work required the use of mainly qualitative methodological tools as well as sociological action and construction tools. The first of them, in the dimension backed by Michel Crozier, provided us with analytical components as well as methods and concepts which will enhance the understanding of actors’ roles. The second one which is in line with an evolution in the position and gets its grounds from Richard Wittorski’s publications did target the involvement of all actors, especially those benefiting from ‘incorporated competences’. This study has portrayed the various benefits that such a process can bring to the entire educational community
Ben, Simon Elsa. "Pathologie moléculaire des déficits secondaires isolés en glucocorticoïdes chez l'homme : étude de deux gènes candidats : POMC et récepteur de la CRH". Lyon 1, 2002. http://www.theses.fr/2002LYO1T112.
Pełny tekst źródłaMichel, Christelle. "L'aérosol de combustion dans une région en grande mutation, l'Asie". Phd thesis, Université Paul Sabatier - Toulouse III, 2005. http://tel.archives-ouvertes.fr/tel-00069797.
Pełny tekst źródłaMon travail de thèse a eu pour but, tout d'abord, de développer un inventaire d'émissions de gaz et particules issues des feux de biomasse pour les campagnes ACE-Asia (Aerosol Characterization Experiment) et TRACE-P (Transport and Chemical Evolution over the Pacific), de mars à mai 2001. Pour ce faire, j'ai mis en œuvre une méthodologie la plus adaptée à mon étude, qui repose sur la cartographie des surfaces brûlées (projet GBA2000 (Global Burnt Area 2000) [Tansey et al., 2003]).
Les résultats de cette étude, ABBI (Asian Biomass Burning Inventory) [Michel et al., 2005] ont été comparés avec un autre inventaire d'émissions de feux de végétation (ACESS : ACE-Asia and TRACE-P Modelling and Emission Support System) [Streets et al., 2003], construit, non pas à partir des surfaces brûlées, mais à partir des pixels de feux actifs. Cette comparaison illustre les limitations de l'utilisation des pixels de feux dans l'établissement des cartes d'inventaires d'émissions par les feux de biomasse, tout en soulignant l'importance et la pertinence de la méthode retenue dans mon étude. Une comparaison avec les données de l'année 2000, obtenues selon la même procédure, souligne toute l'importance des variations interannuelles.
L'inventaire ABBI a été introduit dans le modèle méso-échelle MésoNH-C couplé au module aérosol ORISAM (ORganic and Inorganic Spectral Aerosol Module) [Bessagnet, 2000]. Une attention particulière a porté sur l'étude du transport des émissions de feux de végétation à travers le continent asiatique. Des comparaisons entre les données simulées et les mesures in-situ et aéroportées ont montré des résultats satisfaisants dans certains cas, mais ont également fait encore apparaître certaines limitations. Des tests de sensibilités ont été effectués pour comprendre l'origine de ces différences, avec tout d'abord une deuxième simulation avec MésoNH-C-ORISAM effectuée avec l'inventaire ACESS pour étudier l'impact des émissions de feux. Le module ORISAM dans sa version 0D a été ensuite utilisé pour mettre en évidence de manière détaillée les paramètres contrôlant la formation de l'aérosol secondaire au sein du modèle.
Au total, tout en faisant ressortir l'importance majeure des inventaires d'émissions gazeuses et particulaires à l'échelle continentale, ce travail va au delà de ce thème, en montrant notamment l'apport du modèle d'aérosol ORISAM à l'analyse et la compréhension des processus de chimie hétérogène dans les épisodes de pollution affectant l'Asie.
Ducos, Claire. "Cancers secondaires chez les patients ayant survécu à un cancer durant l’enfance et Identification de variants rares associés". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASR013.
Pełny tekst źródłaOne in 440 children in France is expected to develop cancer before reaching the age of majority. In recent decades, thanks to improvements in treatment and patient care, the 5- year survival rate for children diagnosed with cancer has reached over 80 %. However, the frequency and diversity of late iatrogenic events have also increased. Second cancers are one of the most significant adverse effects on mortality and morbidity in this growing population. Although the treatment received for pediatric cancer is a well-known risk factor, it is not sufficient to fully explain the risk of secondary cancers, suggesting the existence of a genetic component modulating this risk. Initially, we aimed to better understand the risk factors for one of the most frequent second cancers, thyroid cancer, by investigating the impact of radiation received by lymphoid organs. We have identified an association between this risk and irradiation of the spleen and thymus, two key immune system organs. Then, to better understand the genetic impact on the risk of second cancers, we conducted a systematic review of the literature, compiling all the variants, genes and biological pathways already associated with the risk of various types of second cancers. Finally, a case-control study nested in the French Childhood Cancer Survivors Study (FCCSS) cohort showed that various genes carrying rare variants, such as APOBEC3F and RNASEL, were associated with the risk of second cancers. We also demonstrated an association between the risk of second breast cancer with the FANCM gene, and second thyroid cancer with, notably, the IFI16 and HINFP genes. The results obtained in this thesis provide promising directions that could contribute to the identification of patients at the highest risk of second cancers. Once validated, our results could be applied to adapt the long-term follow-up of survivors and the treatment of pediatric cancer patients to minimize the risk of second cancers in adulthood
Montagne, Karen. "L'alimentation au fil des générations : l'analyse de parcours de vie alimentaire, en France, au travers des procès de transmissions, innovations et intégration des pratiques, comportements et savoir-faire de mangeurs dans des espaces en mutation". Thesis, Tours, 2016. http://www.theses.fr/2016TOUR2007.
Pełny tekst źródłaThis study offers an analysis of past and present food modes among a kinship group comprising four generations. Through first hand recording of life trajectories and direct observations collected in immersion over an extended period of time (ten years), this work is an attempt to highlight the sociocultural factors and mechanisms that affect food procurements practices, culinary skills, food representations and behaviors at different stage of life. This in-depth observation of a group of relatives serves the examination of cultural, social, economic and historical factors that are at play during the primary and secondary socialisation phases and impact the construction and evolution of individual as well as family food repertories. This is amonography about a French middle class extented family which provides access to the evolutions of relations to cooking and feeding from women's point a view
Lalaouna, David. "Role d' ARN non codants régulateurs dans l' adaptation de Pseudomonas brassicacearum à la rhizosphère et aux fluctuations de l' environnement". Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM4006.
Pełny tekst źródłaThe plant-beneficial bacterium Pseudomonas brassicacearum forms phenotypic variants in vitro as well as in planta during root colonisation under natural conditions. Transcriptome analysis of typical phenotypic variants using microarrays containing coding as well as non-coding DNA fragments showed differential expression of several genes relevant to secondary metabolism and of the small non-coding RNA (ncRNA) genes rsmX, rsmY and rsmZ, which was characterized by down-regulation. Naturally occurring mutations in the GacS/GacA two-component system accounted for phenotypic switching. The importance of these ncRNAs in the survival of the bacteria to changing environments is denoted by the duplication of rsmX gene, which we called rsmX-2 and whose function has been validated. Our data suggest an exclusive activation of rsmX-1 and rsmX-2 genes by GacA and the involvement of additional regulators in the case of rsmY and rsmZ. Given the functional redundancy of these ncRNAs, we investigated their expression level and stability in different culture conditions and showed differences for the four ncRNAs. In response to nutrient depletion, the four ncRNAs expression is strongly activated and reaches its maximum when the ppGpp is detected in bacterial cells, suggesting a link between the Gac/Rsm system and the "stringent" response. Determining the level of each Rsm ncRNA, which is defined by a balance between synthesis and degradation of each transcript, shows the maintenance of a very important pool of RsmZ compared to other ncRNAs
Sanane, Inoussa. "Composantes de la dynamique de l'interaction entre le maïs et les insectes lépidoptères foreurs de tige". Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASB018.
Pełny tekst źródłaDamages caused by maize stem borers like the corn borer Ostrinia nubilalis can engender considerable yield reductions. A way to reduce the damages is to select resistant or tolerant maize varieties. I set-up an original high-throughput and non-destructive method to screen maize varieties for the feeding of young insect larvae. It consists in monitoring the feeding of single larvae on fresh maize leaf disks, and using the consumption speed as a proxy for the level of plant defenses. I showed that larvae exhibit variable feeding behaviors, and developed a statistical method to establish a typology of feeding behaviors, with a graduation between the fast and full consumption of the leaf disk and the absence of consumption. Each maize variety can be reproductively characterized by the frequency of each feeding behavior. The method was validated by studying the variations of feeding behaviors in response to different concentrations of a known antifeedant molecule, and applied on different datasets. First, I compared early and late maize genotypes resulting from a divergent selection experiment for flowering time. I showed that the genotypes that differed the most for flowering time and that descended, through selection and selfing, from the inbred line MBS, also showed important differences concerning both feeding behaviors, larvae prevalence in the field, and the quality of plant cell walls. Early MBS genotypes are consumed faster in the feeding test, show a higher larvae prevalence in the field, and exhibit softer green parts than late genotypes from the same ancestor line. Those results strongly suggest the existence of a trade-off between growth and defense. Finally, the consumption test was applied to a diversity panel of 18 maize inbred lines, already described for series of traits linked to plant physiology and metabolism. I showed that the panel lines exhibited a large genetic variability for the feeding behavior of corn-borer larvae and identified metabolic characteristics of the inbred lines that correlate with the variation of feeding behaviors. Altogether, those results open the way for a better-understanding of plant-insect relationships
Książki na temat "Mutations secondaires"
Luisoni, Pierre. Quel enseignement secondaire pour une Europe en mutation?: Tendances, enjeux et perspectives : rapport de la conférence finale du projet "Un enseignement secondaire pour l'Europe". Strasbourg: Conseil de l'Europe, 1997.
Znajdź pełny tekst źródłaCzęści książek na temat "Mutations secondaires"
Savoie, Philippe. "Un métier en mutation : le professorat des lycées". W La construction de l'enseignement secondaire (1802-1914), 255–95. ENS Éditions, 2013. http://dx.doi.org/10.4000/books.enseditions.5057.
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