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Academic literature on the topic 'Myopathies inflammatoires idiopathiques'
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Journal articles on the topic "Myopathies inflammatoires idiopathiques"
Fermon, Cécile, François-Jérôme Authier, and Laure Gallay. "Les myosites à éosinophiles idiopathiques." Les Cahiers de Myologie, no. 25 (July 2022): 6–9. http://dx.doi.org/10.1051/myolog/202225003.
Full textBoussoukaya, Y., A. Amira, O. Chouchene, M. Thabet, G. Ahmed, W. Ben Yahia, and N. Ghannouchi. "Myopathies inflammatoires idiopathiques : cohorte monocentrique tunisienne." La Revue de Médecine Interne 44 (December 2023): A496. http://dx.doi.org/10.1016/j.revmed.2023.10.237.
Full textJemaa, S. Ben, O. Neifer, A. Feki, Z. Gassara, M. Ezzedine, M. H. Kallel, R. Akrout, H. Fourati, and S. Baklouti. "Les myopathies inflammatoires idiopathiques en rhumatologie." Revue du Rhumatisme 90 (December 2023): A212—A213. http://dx.doi.org/10.1016/j.rhum.2023.10.313.
Full textMarie, I., E. Hachulla, P. Chérin, P. Y. Hatron, S. Herson, M. F. Hellot, H. Levesque, B. Devulder, and H. Courtois. "Évolution et pronostic des myopathies inflammatoires idiopathiques." La Revue de Médecine Interne 22 (June 2001): 61–62. http://dx.doi.org/10.1016/s0248-8663(01)83401-9.
Full textMarie, S. Dominique, P. Joly, A. Aouba, O. Vittecoq, C. Marcelli, F. Delahaye, et al. "Prévalence des myopathies inflammatoires idiopathiques en NormandieI." La Revue de Médecine Interne 39 (December 2018): A44—A45. http://dx.doi.org/10.1016/j.revmed.2018.10.288.
Full textMasrour, H., R. Felk, L. Lerhrib, W. Rhandour, S. Saoudi, K. Meliani, S. Bouchnafati, et al. "L’atteinte cardiaque au cours des myopathies inflammatoires idiopathiques." La Revue de Médecine Interne 44 (June 2023): A262. http://dx.doi.org/10.1016/j.revmed.2023.04.259.
Full textMousli, Anissa Azza, Rania Zouari, Mohamed Zakaria Saied, Dina Ben Mohamed, Amine Rachdi, Fatma Nabli, and Samia Ben Sassi. "Myopathies inflammatoires idiopathiques : apport de la biopsie neuromusculaire." Revue Neurologique 180 (April 2024): S121. http://dx.doi.org/10.1016/j.neurol.2024.02.235.
Full textBenacer, S., N. H. Guediche, B. Arfaoui, A. Mabrouk, B. Najeh, F. Ajili, S. Sayhi, and B. A. Nadia. "Atteinte respiratoire au cours des myopathies inflammatoires idiopathiques." La Revue de Médecine Interne 44 (December 2023): A493—A494. http://dx.doi.org/10.1016/j.revmed.2023.10.232.
Full textDiaz, P., J. Olagne, and A. Meyer. "Atteinte rénale au cours des myopathies inflammatoires idiopathiques." Revue du Rhumatisme 90 (December 2023): A214. http://dx.doi.org/10.1016/j.rhum.2023.10.315.
Full textHelali, W., M. Essouri, O. Dhrif, A. Redissi, R. Ghariani, M. Jebri, I. Oueslati, et al. "Les myopathies inflammatoires idiopathiques : une cohorte de 20 patients." La Revue de Médecine Interne 43 (June 2022): A130—A131. http://dx.doi.org/10.1016/j.revmed.2022.03.006.
Full textDissertations / Theses on the topic "Myopathies inflammatoires idiopathiques"
Mahoudeau, Alexandrine. "Physiopathologie des myopathies inflammatoires idiopathiques : étude de la myostatine et spécificité des myopathies nécrosantes auto-immunes." Electronic Thesis or Diss., Sorbonne université, 2022. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2022SORUS563.pdf.
Full textIdiopathic inflammatory myopathies (IIM) are a group of rare autoimmune diseases which can be divided into four subgroups: antisynthetase syndrome (ASyS), dermatomyositis (DM), immune-mediated necrotizing myopathy (IMNM), and inclusion body myositis (IBM). These subgroups differ in terms of physiopathogenesis, phenotype and prognosis. The main characteristic of IIM is muscle weakness with different degrees of severity being observed between subgroups. ASyS and DM patients have mild to moderate muscle involvement whereas IMNM and IBM patients display a more severe muscle weakness with poor recovery of muscle strength after remission. While most DM, IMNM, and ASyS patients present an acute onset of the symptoms, IBM is characterised by slowly progressing muscle weakness. Disease activity in IIM is difficult to assess. Some markers exist but are not applicable to all subgroups. In this thesis, I first wanted to see if myostatin, an inhibitor of muscle growth could be a marker of disease activity in IIM subgroups. For that, myostatin was dosed at the protein level in the serum and at the transcriptomic level in the muscle of IIM patients and healthy donors. Myostatin is decreased in patients in the blood and in the muscle. Lowered circulating myostatin levels in active ASyS and DM patients are increased when the disease is controlled. Myostatin could therefore be used as a disease activity biomarker in these subgroups. However, in IMNM patients, myostatin levels do not change with the disease activity, suggesting underlying specific pathomechanisms explaining the poor outcome of these patients. I was then particularly interested in IMNM pathogenesis. IMNM is characterised by proximal muscle weakness and a particular fibro-fatty infiltration in muscle over the course of the disease sustaining muscle weakness as well as necrotic fibers, macrophages infiltrates and auto-antibodies. I first tried to establish 2D and 3D in vitro cellular models but they were not conclusive. I then performed an analysis of patients’ muscle biopsies using spatial transciptomics and compared them to healthy donors biopsies. This method allows us to have transcripts of 55µm tissue domains across the entire muscle biopsy. Three major clusters emerge from this analysis: 2 macrophages clusters with an interferon signature, one being pro-inflammatory and the other one anti-inflammatory, and one fibro-adipogenic progenitors’ (FAP) cluster. These progenitors being able to differentiate either into fibroblasts or adipocytes, they could be the origin of the fibro-fatty infiltrate in IMNM patients. This FAPs increase was confirmed by a CD90 staining on muscle biopsies
Dal, Cin Julian. "Analyse tissulaire des myopathies inflammatoires idiopathiques et induites par immune-checkpoint-inhibitor : apport des nouvelles approches transcriptomiques." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS151.pdf.
Full textMyositis are a heterogeneous group of autoimmune pathologies characterized by muscle damage in patients. Myositis are separated into 5 subgroups: dermatomyositis (DM), anti-synthetase syndromes (ASyS), inclusion body myositis (IBM), autoimmune necrotizing myopathies (IMNM) and immune-checkpoint inhibitor (ICI)-induced myositis. The pathophysiological mechanisms, clinical phenotype and prognosis of each subgroup are different. Among myositis, this work focused on IMNM and ICI-induced myositis, which have the poorest prognosis. High-resolution, spatial and single-cell transcriptomic studies have made it possible to study the muscle tissue of patients with these myositis. In ICI-induced myositis, these studies have confirmed the cytotoxicity of CD8 T cells and their central role, mainly of a population of resident memory T cells identified in the muscle, as well as macrophages. We propose a pathogenic model based on the reaction of resident memory T cells to ICI treatments. In IMNM, subgroups of macrophages have been identified composed respectively of pro-inflammatory macrophages, anti-inflammatory macrophages, and macrophages close to fibro-adipogenic progenitors (FAP). We propose that necrosis can stimulate macrophages and induce their recruitment, which would allow the proliferation of FAPs at the origin of exacerbated fibrosis in patients. Understanding mechanisms among others makes it possible to consider new therapeutic targets and improve patient prognosis
Marie, Isabelle. "Retentissement viscéral et microcirculatoire des maladies systémiques : à propos de la sclérodermie systémique et des myopathies inflammatoires idiopathiques." Rouen, 2000. http://www.theses.fr/2000ROUEA003.
Full textBoth series have demonstrated the high prevalence of both small bowel and gastric involvement in systemic sclerosis (SSc) (88 and 82% of cases, respectively) on manometry and electrogastrography. No correlation could be found between the severity of gastrointestinal dysfunction and other manifestations of SSc, although gastrointestinal impairment tended to be more severe in limited SSc. Our findings suggest that digestive tract tests may be systematically performed in SSc patients, in order to detect gastrointestinal involvement at an early stage. These studies further indicated that gastrointestinal manometry may be helpful by accurately assisting in the selection of SSc patients who may benefit from octreotide and erythromycin therapy. In three other series, we assessed the outcome of polymyositis/dermatomyositis (PM/DM). Our data confirmed the severity of PM/DM, as complete remission was achieved in only 40% of cases, and less than one-third of patients experienced no sequelae from PNUDM Moreover, mortality rate was high in PMlDM; and deaths were mainly due to lung and esophageal manifestations and cancers. As both lung and esophageal complications were predictive factors of poor prognosis in PM/DM, our findings highlight that lung and esophageal tests should become an integral part of initial evaluation of PM/DM. Finally, we observed a marked overrepresentation of colon cancer in elderly patients with DM, which suggests that the search for cancer in elderly patients with DM should include lower gastrointestinal tract exploration
Prevel, Nicolas. "Recherche de thérapies innovantes dans un modèle murin de myopathies inflammatoires." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066569/document.
Full textInflammatory myopathies are acquired diseases characterized by motor deficit involving an autoimmune myopathy.They are responsible for impairing disability and may be associated with life-threatening complications.Treatment, when they exist, based on the use of corticosteroids in high doses and for long periods.However, 60 % of patients relapse and 20-30 % are readily corticosteroid.Other immunosuppressive treatments are then required (methotrexate , azathioprime , cyclosporine).The side effects of these treatments are inevitable and sometimes severe, which is why the development of new approaches treatment is essential. To test these new approaches, the laboratory developed a mouse model of Experimental Autoimmune Myositis with same Clinical and histological characteristics to polymyositis.In this model we tested the effect of a sub-population of T lymphocyte, nammed regulatory T cells, plays a crucial role in peripheral tolerance self-antigens. In order to control autoimmune manifestations that can replicate the mechanisms of action of Tregs , we sought to amplify in vivo, pharmacologically.At first, we observed the beneficial effect of rapamycin on our model, notably with increase of Tregs.In a second step, we have shown the beneficial role IVIg in the same model in curative.Finally, we investigated the effect of arsenic trioxide ( Trisenox ) in this animal model.Thus, all these data provide insight into the pathophysiology of myositis and to develop a clinical trial with rapamycin
Allenbach, Yves. "Rôle des lymphocytes T régulateurs dans un modèle murin de myopathie inflammatoire et implications dans la physiopathologie et la thérapie de la Myosite à Inclusions." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2011. http://tel.archives-ouvertes.fr/tel-00824661.
Full textBendavid-Anquetil, Céline. "Rôle des anticorps monoclonaux au cours des myopathies auto-immunes : de l’étude des auto-anticorps spécifiques des myopathies nécrosantes auto-immunes à la description physiopathologique des myosites induites par l’immunothérapie anti-tumorale." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS257.
Full textMyositis is a rare autoimmune disease that may occur spontaneously, idiopathic inflammatory myopathies, or be induced by treatments such as immune checkpoint inhibitors (ICI). Among myositis, this work focused on the study of two entities: immune-mediated necrotizing myopathy (IMNM), and ICI-induced myositis. Inflammatory myopathies are separated into homogeneous subgroups in terms of clinical, biological, and histological phenotype thanks to the identification of myositis-specific autoantibodies. Each of these entities is associated with antibodies that play a role in the occurrence of the disease by different mechanisms. In IMNM, anti-SRP (signal recognition particle) autoantibodies appear to play a direct pathogenic role via activation of the classical complement pathway. Thirteen anti-SRP autoantibodies from patient samples were produced, including five autoantibodies specifically recognizing SRP by two different techniques. These human anti-SRP autoantibodies will be used to develop models of IMNM and to understand their mechanisms of action as well as to define their antigenic targets. Regarding ICI-induced myositis, therapeutic monoclonal antibodies directed against inhibitory co-stimulatory molecules induce a break of immune tolerance within the muscle tissue. The description of a series of patients from pharmacovigilance database allowed us to characterize a specific clinical phenotype associated with a poor prognosis, particularly in the case of associated myocarditis. The study of the systemic immune response and of the muscle transcriptomic profile has highlighted a central role of cytotoxic T lymphocytes and macrophages in the pathophysiology of the disease.Eventually, the description of pathophysiological mechanisms is mandatory to identify new therapeutic targets and then improve myositis treatment strategy