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Academic literature on the topic 'Maladie auto-Immune systémique'
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Journal articles on the topic "Maladie auto-Immune systémique"
Zahr, N., and G. Noé. "Lupus érythémateux systémique." Revue de biologie médicale 366, no. 3 (June 1, 2022): 53–58. https://doi.org/10.3917/rbm.366.0053.
Full textCoito, Sylvie. "L’histoire complexe du lupus : d’une maladie de la peau à une maladie auto-immune." Revue de biologie médicale 366, no. 3 (June 1, 2022): 43–52. https://doi.org/10.3917/rbm.366.0043.
Full textMariette, Xavier. "Maladie de Sjögren : de la physiopathologie aux avancées thérapeutiques." Biologie Aujourd’hui 218, no. 1-2 (2024): 1–8. http://dx.doi.org/10.1051/jbio/2024003.
Full textPapo, T. "Comment ne pas manquer une maladie systémique auto-immune ?" Revue des Maladies Respiratoires 23, no. 6 (December 2006): 754–56. http://dx.doi.org/10.1016/s0761-8425(06)72091-5.
Full textÉmile, Carole. "Comment faire le diagnostic de maladie auto-immune systémique ?" Option/Bio 20, no. 418-419 (May 2009): 29. http://dx.doi.org/10.1016/s0992-5945(09)70132-1.
Full textKollo, NB, A. Conde, BM Kemta, Y. Coulibaly, YNC Kpami, A. Bamba, JE Koffi, B. Ouattara, M. Diomandé, and E. Eti. "Crise rénale sclérodermique compliquée par un AVC hémorragique cataclysmique chez une adolescente." Journal Africain des Cas Cliniques et Revues 8, no. 4 (December 30, 2024): 256–59. https://doi.org/10.70065/24ja84.004l013012.
Full textAbisror, N., A. Mekinian, E. Lachassine, P. Nicaise-Roland, J. Stirnemann, L. de Pontual, L. Carbillon, and O. Fain. "Devenir des enfants nés de mères avec une maladie auto-immune systémique." La Revue de Médecine Interne 32 (June 2011): S86. http://dx.doi.org/10.1016/j.revmed.2011.03.101.
Full textTusseau, Maud, and Alexandre Belot. "Maladies auto-immunes rares : place de la génétique, exemple du lupus systémique." Biologie Aujourd’hui 218, no. 1-2 (2024): 9–18. http://dx.doi.org/10.1051/jbio/2024005.
Full textDiallo, S., R. Diallo, M. Niasse, CAB Diaw, C. Diouf, S. Ndongo, and A. Pouye. "Formes familiales de polyarthrite rhumatoïde : étude de 17 familles multiplex au Sénégal." Rhumatologie Africaine Francophone 1, no. 2 (August 31, 2021): 28–35. http://dx.doi.org/10.62455/raf.v1i2.9.
Full textDenis, G., V. Queyrel, A. Mekinian, A. Dewilde, S. Morell-Dubois, H. Charlanne, M. Lambert, D. Launay, E. Hachulla, and P. Y. Hatron. "Couverture vaccinale autodéclarée et déterminants associés, dans une population de patients présentant une maladie auto-immune systémique." La Revue de Médecine Interne 29 (December 2008): S304—S305. http://dx.doi.org/10.1016/j.revmed.2008.10.051.
Full textDissertations / Theses on the topic "Maladie auto-Immune systémique"
Depaire, Agathe. "Altérations de l’efferocytose des macrophages induits par les cellules endothéliales : analyse des mécanismes et approche thérapeutique pour corriger la vasculopathie et la fibrose au cours de la sclérodermie systémique." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0481.
Full textSystemic sclerosis (SSc) is an incurable chronic fibrotic autoimmune disease. The concept of unresolved tissue repair, leading to persistent fibrosis, has emerged based on chronic sterile inflammation, which transforms a controlled repair response into pathological fibrosis. Effective inflammation resolution relies on macrophages' (Mϕ) efferocytosis, the clearance of apoptotic cells. Recently, my team demonstrated the role of IL-1β-stimulated cutaneous microvascular endothelial cells (MVEC) in modulating macrophage polarization towards a mixed M1/M2 inflammatory profile, implicating this process in cutaneous sclerodermic fibrosis. Transcriptomic analysis from skin biopsies highlighted a gene signature associated with reduced efferocytosis in SSc patients compared to controls. This study aimed, through in vitro analyses of purified cells from SSc patients' or healthy donors' skin, to determine whether MVEC and IL-1β contribute to efferocytosis alteration during SSc and evaluate the consequences on fibroblast activation and endothelial-mesenchymal transition (EndoMT). Monocyte-derived macrophages were generated in the presence of supernatant from MVEC either activated (MVECIL-1β-Mϕ) or not (MVEC-Mϕ) by IL-1β.Our results show a significant reduction in the phagocytosis of apoptotic Jurkat cells (apoJK) by MVECIL-1β-Mϕ, associated with decreased expression of certain direct or indirect receptors involved in efferocytosis. Conversely, adding IL-1β during MDM0 (positive control for phagocytosis) differentiation did not alter their overall efferocytic profile, suggesting that IL-1β's inhibitory effect manifests only in the presence of the endothelial secretome. We then studied the effects of post-efferocytosis macrophage secretome on fibroblast activation and EndoMT. MVECIL-1β-Mϕ promoted a pro-remodeling and inflammatory fibroblast phenotype, unaffected by TGF-β, and more pronounced in sclerodermic efferocytic conditions. Regarding EndoMT, our results indicate that MVECIL-1β-Mϕ appears to initiate EndoMT only in SSc conditions, increasing α-SMA and fibronectin expression in MVEC. However, MVEC-Mϕ promoted a pro-fibrotic fibroblast phenotype only in the presence of efferocytic supernatant combined with TGF-β and did not induce EMT initiation.As part of this CIFRE thesis, we explored the anti-inflammatory and pro-resolutive potential of Résolvix, a drug candidate developed by MIP, based on the secretome of Mϕ from healthy subjects who had undergone efferocytosis. Our results show that in the presence of Résolvix©, sclerodermic fibroblasts from patients exhibit a decrease in their fibrotic profile in favor of a remodeling and CCL2-secreting profile. This also allows for the reversal of an already established myofibroblastic profile while promoting CCL2 production. Our data indicate that efferocytosis plays a variable role depending on the activation state of the vascular endothelial cells, potentially reflecting a sequential role in systemic sclerosis, as IL-1β is elevated in the skin of patients at early stages, while TGF-β seems to play a role at later stages.These results suggest that restoring effective efferocytosis could limit inflammation and fibrosis during SSc. Résolvix© could restore a tissue environment that limits fibrosis while promoting the recruitment of new macrophages with restored efferocytosis capabilities in sclerodermic patients with late-stage forms and established fibrosis
Hervier, Baptiste. "Implication des cellules NK au cours des maladies auto-immunes." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066149/document.
Full textAuto-immune diseases (AID) form a broad spectrum of heterogeneous and chronic pathologies, most commonly affecting young adults. The etiopathogenesis of AID corresponds to a breakdown of the immunological tolerance: the result of complex mechanisms, implicating every component of the immune system. While adaptive immune cells has been extensively studied in this context, the role of innate immune cells, including Natural Killer (NK) cells, is much less understood. Using Systemic Lupus Erythematosus (SLE) and Antisynthetase Syndrome (ASS) as model pathologies, the main objective of this work is to demonstrate the involvement of NK cells in AID and to study the relevant mechanisms. Patients with AID showed numerous anomalies in the phenotypical and functional analysis of their NK cells, as compared to healthy controls. These differences are more pronounced in active rather than inactive patients. Moreover, the infiltration of target tissues by NK cells in ASS as well as the activation of these cells by SLE specific auto-antigens confirm the involvement of NK cells in AID. Additionally, interactions of NK cells with different immune cells, known to be involved in AID pathogenesis, seem to be the cause of the observed anomalies. These anomalies differ among both AID: NK cells from patients with SLE are immature and devoted to cytokine production, whereas those from patients with ASS have reached a highly differentiated but hypofunctional stage. Taken as a whole, these data suggest that NK cells are involved in the immuno-pathogenesis of AID. This involvement seems conditioned by the effect of different stimuli and different cellular interactions, which are distinct from one form of AID to another
Nguyen, Vinh. "Développement d’un nouveau modèle murin expérimental de sclérodermie." Thèse, 2016. http://hdl.handle.net/1866/13888.
Full textSystemic sclerosis (SSc) is a rare disease of unknown etiology that affects people that have a genetic predisposition to autoimmunity. Despite the latest advancement and development in the field, the mechanisms underlying disease development remain poorly understood. The lack of animal model that encompasses the cardinal features of human systemic sclerosis is a major cause of the slowdown in the understanding of this disease. In fact, some mouse models such as the bleomycin induced-SSc and TSK-1 mouse are widely used in preclinical studies of scleroderma. However, these models have several shortcomings since these mice do not display all the cardinal features of the disease found in humans. To contribute to the research of SSc, postdoctoral fellow Dre Heena Mehta has developed in Dre Sarfati’s laboratory in collaboration with Dr Senécal, an experimental murine model of SSc induced by dendritic cells loaded with topoisomerase I peptide. In order to characterise the model and establish an immune profile of our experimental mice, my analysis focused mainly on the cardinal features of scleroderma such as fibrosis, inflammation and polyclonal hyper-γ-globulinemia, vasculopathy and cytokines gene expression. Hence, immunization with dendritic cells loaded topoisomerase I peptides (TOPOIA and TOPOIB) induced pulmonary and dermal inflammation together with diffuse form of fibrosis. The mice also showed symptoms of vasculopathy and high levels of polyclonal antibodies. These results showed that TOPOIA peptides are effective in inducing fibrosis and inflammatory response while TOPOIB peptides are involved in skin fibrosis. Together with the results, the preliminary data on cytokine profile in tissue suggested that our mouse model could possibly replace/complement other current animal models of scleroderma.