Literatura científica selecionada sobre o tema "Caractérisation des cellules immunitaires"
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Artigos de revistas sobre o assunto "Caractérisation des cellules immunitaires"
Millot, Périne, Claire Pujol, Claire Paquet e François Mouton-Liger. "Caractérisation de la dysfonction mitochondriale dans les cellules immunitaires périphériques chez les patients Alzheimer". Morphologie 106, n.º 354 (setembro de 2022): S21. http://dx.doi.org/10.1016/j.morpho.2022.06.094.
Texto completo da fonteArqué, B., A. Boni, Y. Velut, M. Alifano, I. Cremer, M. Wislez, D. Damotte e A. Lupo. "Caractérisation immunitaire des cancers bronchiques à petites cellules". Revue des Maladies Respiratoires 40, n.º 2 (fevereiro de 2023): 124. http://dx.doi.org/10.1016/j.rmr.2022.11.032.
Texto completo da fonteArqué, B., Y. Velut, M. Alifano, M. Boni, B. Burroni, S. Beau, I. Cremer, M. Wislez, D. Damotte e A. Lupo. "Caractérisation immunitaire des cancers bronchiques à petites cellules". Revue des Maladies Respiratoires Actualités 15, n.º 1 (janeiro de 2023): 33. http://dx.doi.org/10.1016/j.rmra.2022.11.521.
Texto completo da fonteCezard, Adeline, Sarah Monard, Déborah Bréa-Diakite, Antoine Guillon e Mustapha Si-Tahar. "Les métabokines, des médiateurs essentiels de l’immunité anti-infectieuse". médecine/sciences 37, n.º 4 (abril de 2021): 342–48. http://dx.doi.org/10.1051/medsci/2021031.
Texto completo da fonteHasan, Milena. "Milieu Intérieur". médecine/sciences 35, n.º 5 (maio de 2019): 423–30. http://dx.doi.org/10.1051/medsci/2019077.
Texto completo da fonteDeligne, Claire, e Laurent Gros. "Les anticorps monoclonaux anti-tumoraux". médecine/sciences 35, n.º 12 (dezembro de 2019): 982–89. http://dx.doi.org/10.1051/medsci/2019194.
Texto completo da fonteSalzet, Michel, e Robert Day. "Marqueurs endocriniens dans les cellules immunitaires : Notion de phénotype endocrinien". Journal de la Société de Biologie 197, n.º 2 (2003): 97–101. http://dx.doi.org/10.1051/jbio/2003197020097.
Texto completo da fonteTernon, Céline, Anne Kaminski, Delphine Constantin, Lionel Claudon, Fabien Volpi, Loïc Vincent, Quentin Rafhay e Ahmad Bsiesy. "Simulation, élaboration et caractérisation de cellules photovoltaïques". J3eA 13 (2014): 0011. http://dx.doi.org/10.1051/j3ea/2015013.
Texto completo da fonteLebreton, Fanny, Charles-Henri Wassmer, Kevin Belofatto, Thierry Berney e Ekaterine Berishvili. "Organoïdes sécréteurs d’insuline". médecine/sciences 36, n.º 10 (outubro de 2020): 879–85. http://dx.doi.org/10.1051/medsci/2020129.
Texto completo da fonteMilliat, Fabien, e Agnès François. "Les mastocytes, stakhanovistes de l’immunité". médecine/sciences 34, n.º 2 (fevereiro de 2018): 145–54. http://dx.doi.org/10.1051/medsci/20183402012.
Texto completo da fonteTeses / dissertações sobre o assunto "Caractérisation des cellules immunitaires"
Juvin, Véronique. "Caractérisation pharmacologique du canal TRPV2 recombinant et analyse des fonctions de la protéine endogène dans les cellules immunitaires". Montpellier 1, 2007. http://www.theses.fr/2007MON1T016.
Texto completo da fonteSpehner, Laurie. "Caractérisation des réponses immunitaires périphériques des cancers épithéliaux exprimant les papillomavirus humains". Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCE011.
Texto completo da fonteThe increased incidence and the lack of therapeutic resources for non-operable forms of HPV+ cancer patients constitutes a major challenge. High immunosurveillance in HPV-associated tumors and the presence of viral antigens associated with oncogenesis of these cancers should focus on the development of immunotherapy strategies such as anti-tumor vaccination and adoptive transfer of TILs. These technological advances encourage a better understanding of immune responses in these pathologies and aim to develop strategies combining immunotherapies for the treatment of all HPV-related cancers. We first looked for tumor antigens associated with the prognosis of patients with anal canal cancer. The patients were treated with a combination of chemotherapy whose therapeutic benefit was demonstrated by our team. Monitoring specific T-immune responses in the peripheral blood of these patients has shown that telomerase is a tumor antigen associated with SCCA; and moreover that the presence of Telomerase-specific LT Th1 is a predictor of progression-free survival at 12 months. Our data also highlighted the influence of M-MDSC on the T-specific immune responses of our antigens as well as on the survival of patients with SCCA. As a result, M-MDSCs are a prognostic factor in the response to treatment of patients with metastatic SCCA treated with chemotherapy. The second work of this thesis validated the feasibility of isolating TILs from biopsy samples from patients with HPV-associated cancer. The specific T immune responses of HPV16 oncoproteins are correlated in 50 and 60% of cases between peripheral blood and tumor. The final objective of this thesis work demonstrated the immunogenicity of the SALL4 protein, a transcription factor associated with pluripotency and self-renewal of embryonic stem cells. We have generated anti-SALL4 CD4 Th1 response analysis technology to monitor immune responses in patients with digestive adenocarcinoma. Our work has also shown a low frequency of SALL4-specific T responses in the peripheral blood of patients with SCCA. These results suggest that the presence of specific SALL4 responses in the peripheral blood of SCCA patients could be subject to immunomonitoring resulting in a decrease in the frequency of CD4 LT SALL4+. It would be interesting to analyze the presence of specific LT of this antigen in the early forms of HPV-related cancers
Dzangué, Tchoupou Gaëlle. "Caractérisation des réponses immunitaires chez les patients atteints de myopathies auto-immunes idiopathiques". Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS171.
Texto completo da fonteMyositis is an autoimmune disease characterized by muscular and extra-muscular disorders. In the early stages of the disease, the diagnosis of myositis can be misleading and requires expertise, in order to avoid the administration of inappropriate treatment. The mechanisms involved in these diseases are poorly understood. Our aim was to describe the immune profile specific to each patient group, in order to identify biomarkers that may be useful for diagnosis and management of patients. We used a panel of 36 markers by mass cytometry to characterize PBMCs derived from active patients (sIBM, anti-Jo1 ASyS, anti-SRP and anti-HMGCR myopathies) and healthy subjects. First, we developed and optimized a technical procedure for the simultaneous detection of extracellular and intracellular targets by mass cytometry. Using different bioinformatics tools, we isolated a frequency of CD8 +T-bet + cells > 51.5% as a specific biomarker for sIBM compared to other myositis, with a sensitivity of 94.74% and a specificity of 88. , 46%. In addition, we identified an activated CD8 + T-bet + CD57- immune profile, potentially capable of proliferation and the maintenance of autoimmune mechanisms in patients with sIBM. In anti-Jo1 patients, we observed a dysregulation of B cell homeostasis, characterized by a decrease in circulating memory B cells. The presence of the latter in the muscle of patients suggests that they nest in the muscle to avoid immunosuppressants. This work allowed the identification of a biomarker that could enhance the diagnosis of MIs compared to other myositis and the identification of cells potentially involved during sIBM and anti-Jo1 ASyS
Mourah, Fadila. "Caractérisation phénotypique et fonctionnelle des sous-populations de monocytes dans les réponses immunitaires". Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC319/document.
Texto completo da fonteMonocytes are circulating leukocytes which characterization has long been difficult. Dissection of these cells into functional subpopulations in humans is still insufficient. Monocytes are however circulating precursors of several populations of dendritic cells and tissue macrophages, and play a prominent role in the development of immune response in steady state and pathology. At present, three monocyte subpopulations are described in humans: classical CD14+CD16neg, non-classical CD14dimCD16+ and intermediates CD14++CD16. Functionally, these subpopulations are diverse and heterogeneous and with apparently redundant pro - and anti-inflammatory properties. In pathology, an increase in the ratio of CD16 + to CD16neg monocytes has been described in inflammatory situation, suggesting a role of the former in the development and amplification of inflammation. Among the non-classical monocytes, cells that can detect changes in the endothelium and having then specific properties of vascular bed monitoring have been identified and characterized. In order to get a better definition of monocyte populations and break them down into subpopulations in which the identification of the cell functions would be more accessible, I endeavoured in this thesis work to analyse different populations of circulating human monocytes as comprehensively as possible and with state of the art analytical and computer tools. The results of flow cytometry analysis of PBMC from 28 healthy donors after cell staining with twenty antibodies directed against surface molecules revealed the existence of a population of monocytes of larger size
Dzangué, Tchoupou Gaëlle. "Caractérisation des réponses immunitaires chez les patients atteints de myopathies auto-immunes idiopathiques". Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS171/document.
Texto completo da fonteMyositis is an autoimmune disease characterized by muscular and extra-muscular disorders. In the early stages of the disease, the diagnosis of myositis can be misleading and requires expertise, in order to avoid the administration of inappropriate treatment. The mechanisms involved in these diseases are poorly understood. Our aim was to describe the immune profile specific to each patient group, in order to identify biomarkers that may be useful for diagnosis and management of patients. We used a panel of 36 markers by mass cytometry to characterize PBMCs derived from active patients (sIBM, anti-Jo1 ASyS, anti-SRP and anti-HMGCR myopathies) and healthy subjects. First, we developed and optimized a technical procedure for the simultaneous detection of extracellular and intracellular targets by mass cytometry. Using different bioinformatics tools, we isolated a frequency of CD8 +T-bet + cells > 51.5% as a specific biomarker for sIBM compared to other myositis, with a sensitivity of 94.74% and a specificity of 88. , 46%. In addition, we identified an activated CD8 + T-bet + CD57- immune profile, potentially capable of proliferation and the maintenance of autoimmune mechanisms in patients with sIBM. In anti-Jo1 patients, we observed a dysregulation of B cell homeostasis, characterized by a decrease in circulating memory B cells. The presence of the latter in the muscle of patients suggests that they nest in the muscle to avoid immunosuppressants. This work allowed the identification of a biomarker that could enhance the diagnosis of MIs compared to other myositis and the identification of cells potentially involved during sIBM and anti-Jo1 ASyS
Hill, Marcelo. "Contribution à la caractérisation de l’indoleamine 2,3-dioxygenase". Nantes, 2006. http://www.theses.fr/2006NANT08VS.
Texto completo da fonteIndoleamine 2,3-dioxygenase (IDO) is the rate-limiting enzyme in the catabolic conversion of tryptophan into kynurenine, which is further catabolized by the kynurenine pathway. The main objective of this thesis was to contribute to the characterization ofIDO. Thus, we showed that IDO and HO-1 are mutually inhibited in breast cancer and DCs. Furthermore, the effect of IDO on cancer biology can drastically change depending on the expression or not of HO-1. At the DC level, we showed that IDO promotes DC maturation upon TLR stimulation and thus expands CD4+CD25+ Treg cells. IDO/HO-1 interaction could be a major determinant of Treg/DC synapse. IDO can also be regulated by N0 in DCs and this can determine the effect of CTLA4Ig. Finally, here we showed that CD40 blockade leads to graft survival depending on IDO and that Treg cells can induce this enzymes in allogeneic endothelial cells
Kaulek, Vincent. "Caractérisation et prévention du rejet allogénique d'hépatocytes : élaboration d'une stratégie immunomodulatrice". Besançon, 2002. http://www.theses.fr/2002BESA0022.
Texto completo da fonteVan, Niel Guillaume. "Caractérisation phénotypique et fonctionnelle des exosomes de cellules épithéliales intestinales". Paris 7, 2003. http://www.theses.fr/2003PA077124.
Texto completo da fonteDefays, Axel. "Caractérisation de BAD-LAMP dans les cellules dendritiques plasmacyoïdes humaines". Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX22123/document.
Texto completo da fontePlasmacytoid dendritic cells (pDCs) link innate and adaptative immunity by producing large amounts of type-1 interferon and inducing naive T cell activation and proliferation in an antigen-specific manner. pDCs express high levels of TLR7 and TLR9 and thereby sense viral nucleic acids. TLRs 7 and 9, which rest in the endoplamic reticulum (ER) at steady-state, are re-localized to the late endosomal compartment upon activation for signaling. this process is dependent of the interaction between TLRs and the chaperone UNC93B1. During my thesis, I characterized a new molecule of the lysosome-associated membrane protein (LAMP) family, named BAD-LAMP. In the human immune system, this protein is exclusively expressed in pDCs. BAD-LAMP is not detected in lysosomes, as opposed to the other LAMP family members, but is retained in the ER compartment. I also demonstrated that BAD-LAMP is down-regulated after pDCs activation by a TLR9 ligand. Using trnasfered HeLa cells and several mutant forms of BAD-LAMP with localization defects, I etablished that BAD-LAMP and UNC93B1 can influence reciprocally their intercellular trafficking by a yet uncharacterize mechanism. BAD-LAMP could therefore act as a chaperone of UNC93B1-TLR9 complex and moduate the TLR9 response. The study of such a regulatory mechanism could help to understand better the fine tuning of the immune response
Dubois, Florian. "Caractérisation et génération des lymphocytes B régulateurs à partir de cellules souches pluripotentes". Thesis, Nantes, 2020. http://www.theses.fr/2020NANT1014.
Texto completo da fonteRegulatory B cells (Bregs) are key players in the immune response and are involved in various pathological situations. However, Bregs is a heterogeneous family with no consensual phenotype that has been proposed thus far rending there study and their use in cellbased therapy or as biomarker very difficult. We identified a Breg subset able to block a T cell effector response in a Granzyme B (GZMB) production and in a cell contact dependent manner. The objectives of my thesis work, focused on GZMB+ Bregs study, were 1) to generate GZMB+ Bregs with a repressible GZMB expression, induced by genetic engineering, from pluripotent stem cells and 2) to better characterize these GZMB+ Bregs and their different described subsets by performing a transcriptomic meta-analysis. While we obtained a low yield of B cells from stem cells, we improved the generation of CD34+CD43+ hematopoietic progenitors, which appeared insufficient for B cell production. We found that the CD31intCD45int phenotype might enrich the progenitors suitable for B cell differentiation and we validated CRISPR/Cas9 tools needed for the first step of genetic modification leading to GZMB expression. Our meta-analysis identified two distinct and unique transcriptional signatures of 165 and 93 genes, respectively associated with human and mouse Bregs and support the hypothesis of B cells plasticity into Bregs wich acquire their regulatory function under certain environmental conditions. This thesis work constitute a first step in the understanding and for the use of these GZMB+ Bregs
Livros sobre o assunto "Caractérisation des cellules immunitaires"
Université Pierre et Marie Curie, ed. Caractérisation biologique et chimique du VIP monoiodé: Mise en évidence du cycle du VIP et de la désensibilisation réversible par le VIP des "cellules HT 29". Grenoble: A.N.R.T. Université Pierre Mendès France Grenoble 2, 1986.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Caractérisation des cellules immunitaires"
"Ebola : une fin prédéterminée ?" In Science et développement durable, 84. Marseille: IRD Éditions, 2019. http://dx.doi.org/10.4000/1227j.
Texto completo da fonteAGUIRRE GARCIA, Mayra, e Nabila HADDAD. "Mécanismes pathogéniques des agents pathogènes bactériens d’origine alimentaire". In Évaluation des risques microbiologiques, 115–58. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9084.ch4.
Texto completo da fonteRelatórios de organizações sobre o assunto "Caractérisation des cellules immunitaires"
Jocelyn, Sabrina, Élise Ledoux, Damien Burlet-Vienney, Isabelle Berger, Isvieysys Armas Marrero, Chun Hong Law, Yuvin Chinniah et al. Identification en laboratoire des éléments essentiels au processus d’intégration sécuritaire de cellules cobotiques. IRSST, agosto de 2024. http://dx.doi.org/10.70010/qkwy4060.
Texto completo da fonte