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Academic literature on the topic 'Dystrophie musculaire oculopharyngée'
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Journal articles on the topic "Dystrophie musculaire oculopharyngée"
Escudié, L., J. L. Payen, I. Thiry-Escudié, M. Carreiro, L. Trémelet, and C. Seigneuric. "Dystrophie musculaire oculopharyngée révélée par une dysphagie." La Revue de Médecine Interne 26, no. 9 (September 2005): 759–62. http://dx.doi.org/10.1016/j.revmed.2005.05.009.
Full textBelmihoub-Salmi, S. "Un cas de dysfonction sinusale symptomatique décrit dans la dystrophie musculaire oculopharyngée. Association fortuite ou syndromique ?" Annales de Cardiologie et d'Angéiologie 65, no. 1 (February 2016): 42–44. http://dx.doi.org/10.1016/j.ancard.2012.08.026.
Full textStajich, Jeffrey M., Felicia Lennon, Arnold Lee, Larry Yamaoka, Barbara Helms, Perry C. Gaskell, Allen D. Roses, et al. "Confirmation of linkage of oculopharyngel muscular dystrophy to chromosome 14q 11.2-q13." Annals of Neurology 40, no. 5 (November 1996): 801–4. http://dx.doi.org/10.1002/ana.410400519.
Full textDissertations / Theses on the topic "Dystrophie musculaire oculopharyngée"
Klein, Pierre. "Les rôles de PABPN1 dans la dystrophie musculaire oculopharyngée." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066217/document.
Full textPABPN1 is an RNA binding protein involved in many post-transcriptional RNA regulation mechanisms. A pathological expansion of the GCN triplet in the gene leads to a muscular dystrophy called Oculopharyngeal muscular dystrophy (OPMD). The molecular mechanisms leading to a small expansion in an ubiquitous protein to a disease, where only few muscles are impaired are still not fully understood. The main pathological hallmark is the presence in the myonuclei of nuclear aggregates of the PABPN1 protein. Today there is no cure for OPMD patients. In this context the projects developed during this thesis have been to 1) study the molecular mechanisms involved in OPMD, 2) study the contribution of the nuclear aggregates in the physiopathology of the disease and 3) develop a gene therapy strategy. We found mitochondrial dysfunctions present in OPMD muscles and we decipher the molecular mechanism involved. Study of PABPN1 aggregates in OPMD has highlighted splicing deregulation events. Among them TNNT3, a RNA which encodes a muscle specific protein is deregulated and we found that the pre-mRNA is trapped in nuclear aggregates outsides speckles nuclear domain containing its natural splicing factor (SC35), leading to an imbalance of the ratio of two mutually exclusives exons of the transcript. The gene therapy strategy developed is a replacement strategy that consists of silencing PABPN1 using RNAi and also bringing a novel version of the protein using a cDNA, untargeted by RNAi thanks to the genetic code redundancy, which encodes a wild-type form of PABPN1. We obtained promising results both in vitro and in vivo in mice OPMD model with a rescue of the pathological phenotype
Pal, Gheorghe. "Autorégulation de l'expression de PABPN1, le gène muté dans la dystrophie musculaire oculopharyngée." Mémoire, Université de Sherbrooke, 2015. http://hdl.handle.net/11143/6814.
Full textBouazza, Belaid. "Contribution à l'étude des mécanismes moléculaires de la dystrophie musculaire oculopharyngée : recherche de pistes thérapeutiques." Paris 6, 2008. http://www.theses.fr/2008PA066118.
Full textRoth, Fanny. "Les agrégats de PABPN1 dans la dystrophie musculaire oculopharyngée." Electronic Thesis or Diss., Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2019SORUS342.pdf.
Full textOculopharyngeal muscular dystrophy (OPMD) is a late onset autosomal genetic disease characterized by a restrictive muscle weakness: pharyngeal muscles (including cricopharyngeal muscle (CPM)) as well as eyelid muscles are primarly affected leading to swallowing difficulties (dysphagia) and eyelid drooping (ptosis) respectively. This disease stems from a short polyalanine expansion in the Poly(A) Binding Protein Nuclear 1 (PABPN1) leading to the formation of nuclear aggregates in the muscle of OPMD patients. The objectives of this study are : 1/ to characterize PABPN1 nuclear aggregates on human muscle biopsies to evaluate if age and genotype influence their features and 2/ to assess the efficacy of the anti-aggregates molecule guanabenz (GA) on mammalian models of OPMD. The results show that aging and genotype of OPMD patients influence the size, the percentage or the composition of nuclear aggregates. Treatment of cellular and mouse model of OPMD with guanabenz allows a diminution in the percentage and the size of nuclear aggregates as well as an improvement of the mice muscle phenotype. GA acts through the unfolded protein response to endoplasmic reticulum stress (ER) showing for the first time that ER stress is activated in OPMD. This study suggestes that the use of pharmacological molecules modulating notably ER stress is a promising strategy to treat OPMD
Pasco, Matthieu. "Développement, longévité et toxicité cellulaire : utilisation du modèle Caenorhabditis elegans pour étudier des gènes modificateurs d'une pathologie dégénérative : étude du réseau génétique FoxO/DAF-16 dans la dystrophie musculaire oculopharyngée." Paris 6, 2009. http://www.theses.fr/2009PA066210.
Full textPérié, Sophie. "Les muscles du larynx et du pharynx : aspects normaux et pathologiques : modèle d'étude in vitro de la dystrophie musculaire oculopharyngée à partir de cultures de cellules satellites." Paris 7, 2002. http://www.theses.fr/2002PA077146.
Full textCatoire, Hélène. "Rôle des modulateurs de la longévité et du métabolisme énergétique sur la réponse cellulaire à la protéine PABPN1 mutée : identification de pistes thérapeutiques pour le traitement de la dystrophie musculaire oculopharyngée." Paris 6, 2007. http://www.theses.fr/2007PA066311.
Full textBensalah, Mona. "Fibrose musculaire : acteurs cellulaires et stratégies thérapeutiques." Electronic Thesis or Diss., Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2019SORUS031.pdf.
Full textFibrosis is described as an excessive accumulation of extracellular matrix proteins that replace tissue and alter its function. In skeletal muscle, fibrosis is a pathological feature common to many dystrophies including Oculopharyngeal Muscular Dystrophy (OPMD) and Duchenne Muscular Dystrophy (DMD). In many tissues, resident cells called fibroblasts seem to have a key role in establishing and maintaining fibrosis, however, the exact nature and role of these cells in human muscle fibrosis are still very poorly defined. In this context, we characterized the non-myogenic cell population (CD56- cells) of control and fibrotic muscles and showed that CD56- fibrotic muscle cells have a different phenotype than control muscle cells (proliferative capacity, sensitivity to TGF-β, secretion, impact on fusion and regeneration). Our study highlights the importance of the cross-talk between cell types within the muscle, especially fibrotic and dystrophic muscle. Currently, many anti-fibrotic gene therapy strategies are being developed but while most of them prevent the apparition of fibrosis, none has yet been able to revert pre-existing fibrosis. In this context, we first compared 10 serotypes of AAV by intramuscular injection to evaluate whether one of these serotype was able to transduce fibroblasts in vivo and whether fibrosis impair the transduction of muscle fibers. Then we tested the anti-fibrotic therapeutic potential of AAV-Relaxin (RLN) on DBA/2-mdx mice, model for DMD. Altogether these studies will allow us to improve our understanding of the pathophysiological mechanisms involved in muscle fibrosis and to develop effective anti-fibrotic strategies
Tymczuk, Tremblay Sophie. "Aspects cliniques, fonctionnels et généalogiques de la dystrophie musculaire oculo-pharyngee au Saguenay-Lac-Saint-Jean /." Thèse, Québec : Université Laval, École des gradués, 1992. http://theses.uqac.ca.
Full text"Mémoire présenté pour l'obtention du grade de maître es sciences (M.Sc.)" Ce mémoire a été réalisé à l'UQAC dans le cadre du programme de maîtrise en médecine expérimentale (génétique) extensionné de l'Un. Laval à l'UQAC. CaQCU CaQCU Bibliogr.: f. 75-80. Document électronique également accessible en format PDF. CaQCU
Alexander, Christine. "Facteurs de sévérité et rôle des protéines à domaine polyalanine dans la dystrophie musculaire oculopharyngée." Thèse, 2006. http://hdl.handle.net/1866/7623.
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