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Academic literature on the topic 'Duchenne, Myopathie de – Immunologie'
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Journal articles on the topic "Duchenne, Myopathie de – Immunologie"
Dreyfus, JC. "Délétions géniques dans la myopathie de Duchenne." médecine/sciences 1, no. 8 (1985): 442. http://dx.doi.org/10.4267/10608/3398.
Full textDreyfus, JC. "Du nouveau dans la myopathie de Duchenne." médecine/sciences 1, no. 2 (1985): 108. http://dx.doi.org/10.4267/10608/4551.
Full textManus, Jean-Marie. "Un traitement de la myopathie de Duchenne ?" Revue Francophone des Laboratoires 2012, no. 439 (February 2012): 17. http://dx.doi.org/10.1016/s1773-035x(12)71282-0.
Full textM, J. M. "Myopathie de Duchenne : nouveau traitement en vue." Revue Francophone des Laboratoires 2017, no. 492 (May 2017): 12. http://dx.doi.org/10.1016/s1773-035x(17)30145-4.
Full textDesguerre, I., and C. Barnerias. "Actualités thérapeutiques dans la myopathie de Duchenne." Archives de Pédiatrie 20, no. 5 (May 2013): H102—H103. http://dx.doi.org/10.1016/s0929-693x(13)71343-5.
Full textGillis, Jean-Marie. "Guérir la myopathie de Duchenne par l’utrophine ?" médecine/sciences 20, no. 4 (April 2004): 442–47. http://dx.doi.org/10.1051/medsci/2004204442.
Full textGuillou, C., A. Delaubier, and Y. Rideau. "Myopathie de Duchenne: quelle évolution après 20 ans?" Annales de Réadaptation et de Médecine Physique 41, no. 6 (January 1998): 302–3. http://dx.doi.org/10.1016/s0168-6054(98)80049-4.
Full textDelaubier, A., C. Guillou, and Y. Rideau. "Myopathie de Duchenne: la vie après 20 ans." Annales de Réadaptation et de Médecine Physique 41, no. 6 (January 1998): 303. http://dx.doi.org/10.1016/s0168-6054(98)80051-2.
Full textJordan, B., M. Kornhuber, M. Deschauer, S. Zierz, and T. Kraya. "Myopathien." Nervenheilkunde 33, no. 10 (2014): 686–92. http://dx.doi.org/10.1055/s-0038-1627736.
Full textFayssoil, Abdallah, David Orlikowski, Olivier Nardi, and Djillali Annane. "Atteintes cardiaques au cours de la myopathie de Duchenne." La Presse Médicale 37, no. 4 (April 2008): 648–53. http://dx.doi.org/10.1016/j.lpm.2007.07.010.
Full textDissertations / Theses on the topic "Duchenne, Myopathie de – Immunologie"
Dahmani, Amina. "Développement de tolérance immunologique envers la greffe de myoblastes allogéniques, une thérapie potentielle pour la dystrophie musculaire de Duchenne." Thesis, Université Laval, 2013. http://www.theses.ulaval.ca/2013/29819/29819.pdf.
Full textMyoblast transplantation (MT) is one of the most promising potential therapies for Duchenne muscular dystrophy (DMD). One limitation of this approach is the rejection of the donor myoblast by the host immune system. Induction of donor-specific immune tolerance would avoid the toxicities of chronic immunosuppressive therapy that is currently required to prevent graft rejection. Our objective is to induce immunological tolerance through the establishment of mixed-chimerism using a non-myeloablative protocol, into DMD mice. Our results show that the tested protocol permits the induction of transient peripheral tolerance status to the donor. It also allows the establishment of variable rate of mixed-chimerism. However, this protocol failed to induce tolerance to MT. Although we did not obtain the expected results on the MT, improvements, such as association with a short-term rapamycin treatment, may be considered to enhance the outcome of the proposed protocol in perspective of clinical application for DMD patients.
Metlej, Racha. "Étude du profil immunogénique des fibres révertantes dans la dystrophie musculaire de Duchenne." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/29039/29039.pdf.
Full textDuchenne muscular dystrophy (DMD) is an X-linked recessive neuromuscular disease. It is characterized by progressive muscle degeneration, eventually leading to loss of ambulation and death. It is caused by a mutation in the dmd gene which encodes for the dystrophin protein. This mutation alters the normal reading frame of the gene causing the loss of dystrophin expression, essential for the protection of muscles from degeneration, following an effort. However, the majority of DMD patients and mdx mice (animal model of DMD) have rare revertant muscle fibers that express dystrophin. This expression is due to a somatic mutation, which restores of the normal reading frame of the gene and leads to the synthesis of a recombinant dystrophin. It was suggested that the dystrophine expressed by the revertant fibers could induce immunological tolerance, leading to the accumulation of revertant fibers. Alternatively, these rare revertant fibers could induce an autoimmune response that limits the success of therapeutical approaches to induce the expression of dystrophin. The aim of my study was to verify whether the newly formed dystrophin triggers an immune response in the mdx mouse. The Tibialis anterior (TA) muscle of mdx (dystrophic) and Rag/mdx (dystrophic, lymphopenic) mice were first examined by immunohistochemical staining to compare the number of revertant fibers present in immunocompetent and immunodeficient mice. This study allowed us to evaluate the influence of the immune system on the presence of revertant fibers. The presence of a potential cellular immune response against dystrophin was then investigated in vivo. Splenocytes from mdx and 10J mice were transferred intravenously into Rag and Rag/mdx. The muscules of these mice were examined by immunohistochemical staining to detect the presence of immune cellular infiltration around the revertant fibers. Finally, to study the humoral response, I examined sera from mdx mice using immunohistochemical staining and Western blotting to check for antibodies against dystrophin. My research showed that immunodeficient mice had a significantly higher number v of dystrophin-positive fibers, suggesting that the immune system is involved in the elimination of revertant fibers in immunocompetent mdx mice. In addition, T cells obtained from mdx mice and injected in Rag/mdx mice infiltrated muscles of Rag/mdx mice containing revertant fibers supporting the hypothesis that mdx mice do make a cellular immune response against the dystrophin revertant fibers. However, the mdx mouse serum did not contain any antibodies against dystrophin. These results suggest that revertant fibers do not induce an immune tolerance to the newly formed dystrophin, but on the contrary, they trigger the activation of the immune system. This activation results in a cell-mediated immunity but not a humoral immunity.
Stephan, Lionel. "AMÉLIORATION DE LA TRANSPLANTATION DE MYOBLASTES, UN TRAITEMENT POSSIBLE DE LA DYSTROPHIE MUSCULAIRE DE DUCHENNE. Utilisation de la forme active de la vitamine D3 et obtention d'une tolérance immunologique par l'administration de drogues cytoréductrices." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25367/25367.pdf.
Full textDuchenne muscular dystrophy is a fatal neuromuscular recessive disease characterized by widespread muscle damage throughout the body. No cure is currently available this disease. Myoblast transplantation (MT) is an interesting approach to enhance the life quality and life expectancy of patients. This therapy consists in harvesting myoblasts of a non-dystrophic donor and in transplanting them in dystrophic muscles. This approach involves many drawbacks and predominantly the loss of the grafted cells in post-transplantation period. Firstly, an important part of injected myoblasts quickly dies following their injection. Thus, the graft success relies on the survival of a little proportion of grafted cells. The pathways involved in this important death of cells are not well established. However, following a muscle injury, the muscular regeneration depends on the proliferation and the differentiation of myoblasts. In a first study, we propose an administration of the activated form of vitamin D3 on human myoblasts to compensate the early loss of injected cells. Actually, some previous studies demonstrated that this vitamin acted directly on myoblasts, regulating their proliferation and fusion. We have confirmed these effects and demonstrated that the administration of the vitamin D3 enhances the success of human MT. The second part of this thesis broaches the specific immune rejection associated with the allogeneic MT. Currently, Duchenne patients are treated with chronic immunosuppression for MT. However, the problem in humans is that the long-term use of immunosuppressive treatments has adverse effects: nephrotoxicity, increased cancer risk etc... Mixed-haematopoietic chimerism is a promising approach to circumvent sustained immunosuppression but most of proposed protocols need antibodies treatment or host irradiation. The second study of this thesis shows that we have developed a protocol based on a short term administration of two cytoreductive drugs, both approved for clinical use. The mixed-chimerism development obtained with our conditioning regimen promotes donor specific stable tolerance. Taken together, this thesis gives two solutions to circumvent the early and late destruction of transplanted myoblasts. These approaches could be further included in the clinical essay developed for the Duchenne muscular dystrophy by promoting the efficiency and decrease the clinical risk related to the MT.
Létourneau, Martin. "L'utilisation de lymphocytes T régulateurs pour modeler la réponse immunitaire envers les myoblastes greffés." Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/20864.
Full textPreuße, Corinna. "Common and distinct immunological aspects in acquired inflammatory myopathies and inherited muscular dystrophy." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2014. http://dx.doi.org/10.18452/17075.
Full textThe heterogeneous group of myopathies can affect the skeletal muscle or other organ systems and comprise a huge number of different entities. Acquired myopathies are potentially treatable, but there are often only unspecific treatment options, while there is no causative cure for inherited forms of myopathies. In this work, three different entities were analyzed, which all share common aspects of the immune response, but also feature distinct immunological aspects as well. They have an inflammatory part in common, which is mainly regulated by influx of immune cells. However, the composition of these cellular infiltrates (e.g. lymphocytes or macrophages) was varying between the diseases. In addition, the respective cytokine milieu was highly specific in the examined entities. Thus, the aim of the study was to precisely examine interactions between immune cells, and analyze characteristic pathological phenomena (hypoxia, inflammation and fibrosis). Necrotizing myopathies have an immune-mediated background or showed a toxic aetiology and both sub-groups can be distinguished by their morphological characteristics and certain immune aspects. Here macrophages are the predominant cell population and are spread throughout the muscle. Analyses of patients suffering from dermatomyositis showed a typical perifascicular pattern of atrophy, as well as effects of hypoxia and the described features are in general more pronounced in juvenile dermatomyositis than in the adult form. Inherited myopathies (e.g. Duchenne muscular dystrophy) harbor significant inflammatory infiltrates as well and development of fibrosis was a major feature of skeletal muscle degeneration. A computer-based algorithm was used to quantify fibrosis. The amount of connective tissue increased with the age of patients, while at late stage of disease fatty transformation was an additional important issue.
Camirand, Geoffrey. "Développement d'un protocole d'induction de tolérance immunologique applicable à la transplantation de myoblastes comme traitement de la dystrophie musculaire de Duchenne." Thesis, Université Laval, 2004. http://www.theses.ulaval.ca/2004/21784/21784.pdf.
Full textMétézeau, Philippe. "Cytométrie en flux : application a l'étude de l'endocytose de ligands membranaires : cinétique, action de divers agents, mécanismes fondamentaux et intérêt." Paris 7, 1985. http://www.theses.fr/1985PA077067.
Full textDufour, Christine. "L'implication de rage dans l'amélioration de la greffe de myoblastes." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27017/27017.pdf.
Full textMatecki, Stefan. "Fonction respiratoire et myopathie de Duchenne." Montpellier 1, 1997. http://www.theses.fr/1997MON11135.
Full textDuchêne, Benjamin. "Utilisation des technologies CRISPR/Cas9 pour le développement d'approches thérapeutiques pour le traitement de la dystrophie musculaire de Duchenne." Doctoral thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/35436.
Full textDuchenne Muscular Dystrophy is one of the most severe genetic disease. It is caused by a mutation in the dystrophin gene. Such mutation is responsible for the absence of the dystrophin protein in the muscles thus leading to muscle wasting and to a premature death following cardiorespiratory failure. The discovery of the CRISPR/Cas9 systems opened the path for the establishment of curative treatments for genetic diseases, such as DMD. A Cas9 endonuclease can generate a double strand break in the DNA at a targeted locus through a guide RNA that specifically recognize a DNA protospacer sequence located closed to a protospacer adjacent motif (PAM). Recent work published by others demonstrated that the use of a pair of sgRNAs targeting introns permitted to create a genomic deletion that restores the DMD gene reading frame thus leading to de novosyn thesis of a truncated dystrophin protein. However, such deletion does not consider the resulting structure of the central part of the dystrophin. In Becker muscular dystrophic patients, a truncated dystrophin protein is synthesized but the severity of the disease could be related to the structure of this protein. Consequently, it seems relevant to develop a therapeutic approach that considers the structure of the spectrin-like repeat that forms the central rod-domain of the dystrophin protein. Further more, while CRISPR/Cas9 is on the rise it also raises safety issues for patients. Indeed, off-target mutations and immune response directed against such endonuclease can occur thus preventing the possibility of starting clinical trials. Consequently, there is an increasing need to develop safer approaches that may counter such undesirable effects. Our results demonstrated the feasibility of inducing a large genomic deletion with the Cas9 from S. aureus with a pair of sgRNAs targeting exons. Such deletion allows the formation of a hybrid exon that could, in addition to restoring the expression of the dystrophin protein, restore the correct structure of the spectrin-like repeat in its central rod-domain. We have been able to demonstrate such dystrophin expression in vitroand in vivoin four different DMD patient cell lines and in a dystrophic mouse model, respectively. Next, we envisioned the delivery of Cas9/sgRNA ribonucleoprotein complexes using the Feldan Shuttle technology. We provided proof-of-principle that such delivery permits the editing of the dystrophin gene in the TA of mouse models. Following the editing, dystrophin protein expression was restored in the treated muscles of a dystrophic mouse model. Since this approach remains restricted to in situ treatments, further development should be addressed to allow systemic delivery of Cas9/sgRNA. Finally, we provided evidence that the self-catalytic activity of the ribozyme N79 can be controlled using toyocamycin. Even if it only demonstrated its efficacy in vitro, this system opens the path to the development of a different tool for the pharmacological induction of endonuclease protein expression. Finally, this work contributes to the improvement of our understanding for the establishment of a potent and safe therapy to find a cure for DMD.
Books on the topic "Duchenne, Myopathie de – Immunologie"
i15, Institut Garches Entretiens. Myopathies de Duchenne-Becker. Paris: Frison-Roche, 2002.
Find full textLedoux. Kinésithérapie de l'enfant paralysé: Spina bifida, amyotrophies spinales infantiles, myopathie de Duchenne de Boulogne. Editions Masson, 1997.
Find full textSwash, Michael. Myology. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199658602.003.0012.
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