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Auswahl der wissenschaftlichen Literatur zum Thema „Maladies à triplet“
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Zeitschriftenartikel zum Thema "Maladies à triplet"
de Pontual, Laure, Geneviève Gourdon und Stéphanie Tomé. „Identification de nouveaux facteurs entraînant des contractions CTG.CAG dans la dystrophie myotonique de type 1“. médecine/sciences 37 (November 2021): 6–10. http://dx.doi.org/10.1051/medsci/2021182.
Der volle Inhalt der QuelleA. Dahounom, Aboudou,, und Koffi Koudouvo. „Enquête Ethnobotanique Sur Les Plantes Médicinales Utilisées Dans La Prise En Charge Traditionnelle Des Maladies Infectieuses Dans La Région Sanitaire Lomé-Commune Du Togo“. European Scientific Journal, ESJ 17, Nr. 21 (30.06.2021): 46. http://dx.doi.org/10.19044/esj.2021.v17n21p46.
Der volle Inhalt der QuelleRENAULT, T., und H. LE BRIS. „Première partie : Outils de diagnostic et émergence des maladies infectieuses aquacoles“. INRAE Productions Animales 20, Nr. 3 (07.09.2007): 189. http://dx.doi.org/10.20870/productions-animales.2007.20.3.3451.
Der volle Inhalt der QuelleGavriliu, Ştefan, Raluca Ghiţă, Ecaterina Maria Japie, Taysir El Nayef und Mădălina Macadon. „Burnei’s disease: teratological spondylolysis“. Romanian Medical Journal 62, Nr. 3 (30.09.2015): 313–17. http://dx.doi.org/10.37897/rmj.2015.3.20.
Der volle Inhalt der QuelleBoulinguiez, Alexis, Fany Roth, Hadidja Rose Mouigni, Gillian Butler-Browne, Vincent Mouly und Capucine Trollet. „Les agrégats nucléaires dans la dystrophie musculaire oculopharyngée“. médecine/sciences 38 (Dezember 2022): 13–16. http://dx.doi.org/10.1051/medsci/2022175.
Der volle Inhalt der QuelleNéri, C., HM Cann und J. Dausset. „Triplets répétés, maladies neurodégénératives et psychiatriques : mécanismes et gènes candidats.“ médecine/sciences 12, Nr. 12 (1996): 1361. http://dx.doi.org/10.4267/10608/678.
Der volle Inhalt der QuellePeschanski, M. „Maladies neurodégénératives à répétition de triplets : l'envol d'une nouvelle thérapie.“ médecine/sciences 17, Nr. 1 (2001): 125. http://dx.doi.org/10.4267/10608/1802.
Der volle Inhalt der QuelleMota Vieira, L. „Une autre maladie neuro-dégénérative due à l'expansion du triplet CAG : la maladie de Machado-Joseph“. médecine/sciences 11, Nr. 1 (1995): 109. http://dx.doi.org/10.4267/10608/2167.
Der volle Inhalt der Quellede Nonneville, A., und A. Gonçalves. „Cancers du sein triple-négatifs : données actuelles et perspectives d’avenir“. Oncologie 21, Nr. 1-4 (Januar 2019): 33–39. http://dx.doi.org/10.3166/onco-2019-0039.
Der volle Inhalt der QuelleBendjaballah, Soumaia, Redha Lakehal und Khaled Khacha. „Non-infectious endocarditis in Behçet's disease. A case report“. Batna Journal of Medical Sciences (BJMS) 7, Nr. 1 (02.05.2020): 61–63. http://dx.doi.org/10.48087/bjmscr.2020.7116.
Der volle Inhalt der QuelleDissertationen zum Thema "Maladies à triplet"
Bassez, Guillaume. „Recherche translationnelle sur les dystrophies myotoniques : étude de biomarqueurs et mise en place d’un observatoire national pour les essais cliniques“. Thesis, Paris Est, 2011. http://www.theses.fr/2011PEST0079.
Der volle Inhalt der QuellePoggi, Lucie. „Gene editing approaches of microsatellite disorders : shortening expanded repeats“. Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS412.
Der volle Inhalt der QuelleMicrosatellite disorders are a specific class of human diseases that are due to the expansion of repeated sequences above pathological thresholds. These disorders have varying symptoms and pathogenic mechanisms, caused by the expanded repeat. No cure exists for any of these dramatic conditions. This thesis is investigating new gene editing approaches to remove pathological expansions in the human genome. In a first part, a yeast-based screen was constructed to identify potent CRISPR-associated nucleases that can cut these microsatellites. The second part focuses on myotonic dystrophy type 1 (DM1), which is due to and expanded CTG repeat tract located at the 3’UTR of the DMKP gene. A nuclease, TALENCTG was designed to induce a double strand break into the CTG repeats. It was previously shown to be active in yeast cells, inducing contractions of CTG repeats from a DM1 patient integrated into the yeast genome. The TALEN was tested in DM1 patient cells. The nuclease was found to trigger some contraction events in patient cells. In vivo experiments were carried out in a mouse model of myotonic dystrophy type 1 containing a human genomic fragment from a patient and 1000 CTG. Intramuscular injections of recombinant AAV encoding the TALENCTG revealed that the nuclease is toxic and/or immunogenic in muscle cells in the tested experimental conditions. Finally, the reporter assay integrated in yeast to screen nucleases was transposed in HEK293FS cell line. The integrated cassette contains a CTG expansion from a myotonic dystrophy type 1 patient flanked by two halves of GFP genes. This system would enable to find nucleases active in human cells
Rocher, Christophe. „Anomalies de l'ADN mitochondrial et métabolisme mitochondrial : Mécanismes des déplétions et des délétions“. Bordeaux 2, 2001. http://www.theses.fr/2001BOR28910.
Der volle Inhalt der QuelleOne of the fundamental problems of the study of mitochondrial metabolism integration in cellular metabolism is to understand how mitochondrial metabolism is controlled (regulated) ? The subject of this thesis concerns this topic and tries to answer the two following questions : 1- What are the repercussions of a mitochondrial DNA (mtDNA) amount variation at the level of the energy metabolism ? We used two models which are : (i) a lymphoblastoid cell line coming from a patient for whom a 99 % decrease of the muscle mtDNA amount was observed (depletion), but also (ii) a series of stable mtDNA depleted cell lines obtained by treatment of a control one with nucleotides analogues (AZT and ddC). The results clearly indicate that cellular mtDNA amount is one important parameter in the regulation of oxidative phosphorylations. Indeed, despite the high copy number of mtDNA, a small decrease in its content has severe implications on mitochondrial bioenergetics. Consequently, the quantity of mtDNA in the cell is a parameter to take into account for the study of mitochondrial pathologies as well as the nature or the heteroplasmlic level of a mtDNA mutation. 2- What are the molecular mechanisms involved in the generation of human mitochondrial DNA rearrangements, such as large-scale deletions ? Some mitochondrial pathologies areare due to such reorganizations of mtDNA and different mechanisms have been proposed to explain these rearrangements. The mechanism of slipped mispairing has been proposed but no molecular bases are described. The results we obtained show that the formation of a triple helix could be involved in the generation of mtDNA deletions as well as partial duplications or triplications
Mirzabeygi, Marjan. „Les complications obstétricales et pédiatriques des grossesses triples : expérience de la Maternité de Bordeaux de 1989 à 1996“. Bordeaux 2, 1997. http://www.theses.fr/1997BOR2M080.
Der volle Inhalt der QuelleKany, Jean. „Interet de la triple osteotomie pelvienne dans les formes graves de la maladie de legg-perthes-calve : etude de son influence sur la morphologie du cotyle“. Toulouse 3, 1994. http://www.theses.fr/1994TOU31530.
Der volle Inhalt der QuelleLetronne, Florent. „ADAM30 et métabolisme de l'APP : implication dans le développement physiopathologique de la maladie d'Alzheimer“. Thesis, Lille 2, 2014. http://www.theses.fr/2014LIL2S062/document.
Der volle Inhalt der QuelleProgressive intra-cerebral accumulation of amyloid peptides formed after sequential cleavage of the amyloid peptide precursor (APP) by secretases , is a central mecanism for Alzheimer’s disease. Therefore, a better understanding of APP regulation and homeostasy is now crucial. With this background, we postulate that the characterization of new actors in the APP metabolism could provide a more subtle understanding of this APP metabolism and trafficking. From their obvious implication in brain (development, plasticity and repair) and in APP metabolism (α-secretases), ADAMs (A Disintegrin And Metalloprotease) are an important protein proteins family which still have some undetermined function or role. Previously, a transcriptomic approach targeting ADAMs family bas been done at the laboratory on Alzheimer’s patient or control brains and found ADAM30 as under-expressed in Alzheimer’s patient brains. On cellular models, we confirmed that ADAM30 under-expression was associate with an increase in production/secretion of all the APP metabolim byproducts. Opposite results were found with ADAM30 over-expression. To replicate those results in another model closest to human pathophysiology, we have developed a triple transgenic mice model over-expressing APPSweInd and conditionally over-expressing ADAM30. In this model, we have observed and measured a decrease in amyloid deposits in mice brains over-expressing ADAM30. Secondly, because ADAM30 did not modulate secretase activities and did not cleave APP directly, we decided to determine ADAM30 substrats in the APP metabolism context. With a systematic approach, we have determined that Cathepsin D (CTSD) and Insulin Receptor Substrat 4 (IRS4) are two ADAM30 potential substrats. In our cellular models, we have found that ADAM30 is able to cleave and activate CTSD. This CTSD activity is required for ADAM30 action on APP metabolism. We have determined that ADAM30 specific action for CTSD is dependent on lysosome adressing sequence localised in APP C-terminal part. CTSD is a lysosomal protein and so ADAM30 would make CTSD specific activation easier. This mecanism would be able to increase APP degradation in endosome/lysosome pathway and reduce APP entry in its metabolism. To better understand ADAM30 specific action on CTSD and APP, we begin to investigate the potential role of IRS4 and the relation between insulin signaling pathway ans APP metabolism. Combined together, those data suggest that ADAM30 is a new APP metabolism actor, involved in an early APP regulation and degradation pathway dependent on lysosome activation. This study participate in a better understanding of the fine mecanism regulations involved in Alzheimer’s disease pathophysiological process
Adam, Fanny. „Recherche dans la biodiversité de Polynésie française de substances naturelles végétales, répulsives et attractives de moustiques vecteurs de maladies tropicales“. Brest, 2008. http://www.theses.fr/2008BRES2051.
Der volle Inhalt der QuelleFilariasis and dengue dever are two mosquito-borne diseases threatening french Polynesia. The potential vectors for transmission of these illnesses are Aedes aegypti (L. ), the Yellow Fever mosquito, and Ae. Polynesiensis Marks. A research subject was undertaken with die ultimate goal of development of improved insect repellents and lures for insect traps. This goal is made more urgent by the threat of mosquito-borne diseases. Several natural products from terrestrial plants of french Polynesia were evaluated as spatial repellents against Ae. Aegypti mosquitoes using a triple cage-dual port olfactometer and as topical repellents using a "cloth patch assay" test with DEET as the positive control. In addition, the attraction of Ae. Aegypti to L-lactic acid combined with the natural sample extracts were evaluated using die dual-port olfactometer. A total of 26 plant species have been collected, and these have yielded 7 essential oils and 22 crude methanolic extracts. The fine chemical compositions of some repellent essential oils were determined by Gas chromatography and Gas Chromatography coupled with Mass Spectrometry. Bioassays were performed with Ae. Aegypti mosquitoes at the US. Department of Agriculture-Agricultural Research Service (USDA-ARS). This mosquito is the commonly accepted standard species for laboratory bioassays. The results of these tests allowed to put in an obvious place 4 essential oils in not negligible repellent potential with special focus on one essential oil with potential application for the market. The methanol crude extracts didn’t give any convincing results; nevertheless, additional studies should be carried out on these extracts
Claude-Taupin, Aurore. „Etude du rôle de la protéine autophagique ATG9A dans les cancers du sein“. Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCE007/document.
Der volle Inhalt der QuelleAutophagy is an intracellular process which contributes to the maintenance of cell homeostasis. The deregulation of this complex process, which requires more than 40 ATG proteins, has been shown to be involved in tumor development. In our laboratory, we analyzed a cohort of 80 breast cancers and demonstrated that ATG9A gene expression is increased in triple negative breast cancer samples compared to adjacent healthy tissues. We then studied the role of ATG9A in the triple negative breast cancer cell line MDA-MB-436 using two extinction models created with the sh-RNA or the CRISPR-Cas9 technology. Our two extinction models presented a blockade of autophagy, due to a decrease of autophagosome degradation. We also observed a decrease of in vitro and in vivo cancer phenotypes, such as proliferation, invasion or in vivo tumor growth, of sh-ATG9A cells compared to control cells. However, we did not observe any difference of cancer phenotypes between the CRISPR-CAS9 cells and the control ones. Since we still detected the presence of the ATG9A mRNA in the CRISPR models but not in the sh-RNA models, we hypothesized that this mRNA might play a role in the maintenance of breast cancer phenotypes in these cells, either by the expression of a truncated isoform of the ATG9A protein from the mutated ATG9A mRNA obtained after the action of the CRISPR-Cas9 system, or its interaction with non-coding mRNAs. If proven, this could establish ATG9A mRNA as a potential therapeutic target in triple negative breast cancers for which no targeted therapy is currently available
Vaysse-Zinkhöfer, Wilhelm. „Mécanismes de réparations d’une cassure double-brin et résection au sein d’un microsatellite humain“. Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS477.
Der volle Inhalt der QuelleMicrosatellites are tandem repeats of a motif between one and nine base pairs. These repeats are found ubiquitously in all organisms and are particularly abundant in eukaryotic organisms. All these repeats are capable of forming secondary structures in vitro and possibly in vivo. Some microsatellites are prone to expansion, leading to many neurodegenerative diseases in humans such as myotonic dystrophy type 1 (DM1), the most frequently transmitted neurodegenerative disease. The onset and severity of symptoms are positively correlated with the number of repeats located in the 3'UTR of the DMPK gene. In previous work in the laboratory, a TALE nuclease (TALEN) was developed to introduce a double-strand break into a microsatellite (GTC)n from a DM1 patient. Understanding the mechanisms leading to repeat contraction in yeast is necessary to understand the mechanisms in humans. Thus, experiments were conducted in cells with altered CBD repair systems showing that RAD51, POL32 and DNL4 were not required for CBD repair within microsatellites. Only RAD50 and RAD52 appear to be required, indicating that the cell repairs CBDs in repeated regions by single-strand annealing. The objective of this thesis was to study the role of several genes (MRE11, EXO1, SGS1, DNA2, SAE2, RIF1 and RIF2), involved in the resection and repair of a single CBD within a CTG repeat region, in yeast
Rammah, Mayyasa. „Characterization of cardiopharyngeal progenitor cells and transcriptional regionalisation in the cardiac outflow tract“. Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4061.
Der volle Inhalt der QuelleThe vertebrate heart develops from the heart tube and the contribution of mesodermal progenitors termed second heart field (SHF). Perturbation in SHF addition leads to congenital heart defects (CHD). The outflow tract (OFT) myocardium is entirely derived from the SHF. Distinct regions of the embryonic OFT have been shown to give rise to subaortic and subpulmonary myocardium of the heart. The work described here focuses on SHF progenitor subpopulations in mouse giving rise to distinct OFT domains and characterizes the regional transcriptional identity and regulation of future subaortic and subpulmonary myocardium. We identified Notch-dependent subaortic myocardial SHF progenitors in anterior pharyngeal mesoderm. We demonstrated that Notch/Hes1 and Tbx1/Pparg cross regulatory cascades are important to establish functionally important OFT regional domains. Explant and embryo culture experiments revealed that Pparg is required for both the deployment of SHF cells and transcriptional regulation of the future subpulmonary myocardial domain. We also found that Dlk1, a negative regulator of Pparg, is expressed in the complementary subaortic domain upstream of Notch receptor activation and potentially participates in the establishment of OFT regional identity. We also report an overlapping transcriptional profile between future subaortic myocardium and subpopulation of epicardial cells at fetal stages. Finally, we provide evidence for the existence of conserved bipotential myogenic progenitors in cardiopharyngeal mesoderm coexpressing Nkx2-5 and Tbx1. Overall this work identifies novel pathways and genes in cardiopharyngeal mesoderm that may contribute to clinically relevant CHD
Buchteile zum Thema "Maladies à triplet"
„Nouvelle molécule triple action : une piste pour le traitement de la maladie d’Alzheimer ?“ In Chimie et nouvelles thérapies, 59–76. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2478-6-005.
Der volle Inhalt der Quelle„Nouvelle molécule triple action : une piste pour le traitement de la maladie d’Alzheimer ?“ In Chimie et nouvelles thérapies, 59–76. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2478-6.c005.
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