Literatura académica sobre el tema "Immunité antitumorale"
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Artículos de revistas sobre el tema "Immunité antitumorale"
de Guillebon, E. y E. Tartour. "Immunité antitumorale (mécanismes, immunoediting, immunosurveillance)". Oncologie 17, n.º 9 (septiembre de 2015): 337–44. http://dx.doi.org/10.1007/s10269-015-2542-z.
Texto completoKaplon, Hélène y Marie-Caroline Dieu-Nosjean. "Quel avenir pour les lymphocytes B infiltrant les tumeurs solides". médecine/sciences 34, n.º 1 (enero de 2018): 72–78. http://dx.doi.org/10.1051/medsci/20183401016.
Texto completoLadjemi Maha, Z., T. Chardès, S. Corgnac, V. Garambois, S. Morisseau, B. Robert, C. Bascoul-Mollevi et al. "R109: Vaccination à l’aide de scFv humains anti-trastuzumab : réversion de la tolérance immunologique vis-à-vis de HER2 et induction d’une immunité antitumorale dans les souris MMTV. f.huHER2(Fo5)". Bulletin du Cancer 97, n.º 4 (octubre de 2010): S58. http://dx.doi.org/10.1016/s0007-4551(15)31028-6.
Texto completovon Kieseritzky, Kathrin. "Antitumorale Immunität beim fortgeschrittenen Mammakarzinom". Im Focus Onkologie 20, n.º 4 (abril de 2017): 28. http://dx.doi.org/10.1007/s15015-017-3237-7.
Texto completoSankawa, Yuri. "Das Immunsystem - wie entsteht antitumorale Immunität?" Oncology Research and Treatment 37, n.º 4 (2014): 2–5. http://dx.doi.org/10.1159/000366431.
Texto completoKozlova, A. I., E. V. Voropayev y A. I. Konoplya. "THE ROLE OF DENDRITIC CELLS IN FORMATION OF ANTITUMORAL IMMUNITY (literature review)". Health and Ecology Issues, n.º 4 (28 de diciembre de 2014): 19–24. http://dx.doi.org/10.51523/2708-6011.2014-11-4-3.
Texto completoDmitrievskaya, M., D. Ibragimova, A. Useinova y A. Rebik. "THE ROLE OF IMMUNE CHECKPOINT INHIBITORS IN ANTITUMORAL IMMUNITY". Crimea Journal of Experimental and Clinical Medicine 11, n.º 3 (8 de noviembre de 2022): 93–99. http://dx.doi.org/10.29039/2224-6444-2021-11-3-93-99.
Texto completoRiachi, Mansour E., Carolina G. Alcantara Hirsch, Anthony Sorrentino, Erica Ma, Beny Shapiro, Christopher L. Wolfgang y Dafna Bar-Sagi. "681 EXERCISE STIMULATES ANTITUMORAL IMMUNITY IN PANCREATIC DUCTAL ADENOCARCINOMA". Gastroenterology 166, n.º 5 (mayo de 2024): S—1809—S—1810. http://dx.doi.org/10.1016/s0016-5085(24)04639-0.
Texto completoHernández, Ángela-Patricia, Pablo Juanes-Velasco, Alicia Landeira-Viñuela, Halin Bareke, Enrique Montalvillo, Rafael Góngora y Manuel Fuentes. "Restoring the Immunity in the Tumor Microenvironment: Insights into Immunogenic Cell Death in Onco-Therapies". Cancers 13, n.º 11 (5 de junio de 2021): 2821. http://dx.doi.org/10.3390/cancers13112821.
Texto completoBaleydier, Frederic, Fanette Bernard y Marc Ansari. "The Possibilities of Immunotherapy for Children with Primary Immunodeficiencies Associated with Cancers". Biomolecules 10, n.º 8 (28 de julio de 2020): 1112. http://dx.doi.org/10.3390/biom10081112.
Texto completoTesis sobre el tema "Immunité antitumorale"
Rossignol, Julien. "Rôle de la Neuropiline dans la réponse immunitaire antitumorale des Lymphocytes T CD8+". Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS440.
Texto completoT follicular helper (Tfh) cells play an essential role in the development of antigen-specific B cell immunity. Tfh cells regulate the differentiation and survival of activated B cells outside and inside germinal centers (GC) of secondary lymphoid organs. They act through cognate contacts with antigen-presenting B cells, but there is no current marker to specifically identify those Tfh cells which productively interact with B cells. Here we show that neuropilin 1 (Nrp1), a cell surface receptor, is selectively expressed by a subset of Tfh cells in human secondary lymphoid organs. Nrp1 expression on Tfh cells correlates with B cell differentiation in vivo and in vitro, is transient, and can be induced upon co-culture with autologous memory B cells in a cell contact-dependent manner. Comparative analysis of ex vivo Nrp1+ and Nrp1- Tfh cells reveals gene expression modulation during activation. Finally, Nrp1 is expressed by malignant Tfh-like cells in a severe case of angioimmunoblastic T-cell lymphoma (AITL) associated with elevated terminal B cell differentiation. Thus, Nrp1 is a specific marker of Tfh cells cognate activation in humans, which may prove useful as a prognostic factor and a therapeutic target in neoplastic diseases associated with Tfh cells activity
Massé, Delphine. "Immunité antitumorale par les cellules présentatrices d'antigènes après phagocytose de corps apoptotiques". Nantes, 2002. http://www.theses.fr/2002NANT20VS.
Texto completoResistance to chemotherapy and radiotherapy is an important impediment constraining the successful treatment of cancers. Manipulation of the immune system appears to have a positive effect on cancer. Priming with antigen presenting cells for the generation of tumor-specific responses usually requires prior definition of tumor-derived antigen and characterisation of the epitopes involved. With the exception of melanoma and renal cell carcinoma, however, few tumor-associated antigens have been defined and cloned thus far. The advantage of the injection of apoptotic cells is that the processing of tumor antigens from these bodies leads to the production of a wide panel of antigens and consequently to a diverse immune response. In our laboratory, we have developed a vaccination protocol based on the injection of apoptotic bodies plus IL-2 into the peritoneal cavity of rats before challenge with viable tumor cells. .
Fraszczak, Jennifer. "Les cellules dentritiques cytotoxiques : outil en immunothérapie antitumorale". Thesis, Dijon, 2011. http://www.theses.fr/2011DIJOS001.
Texto completoThe dendritic cells, principal antigen presenting cells, play a crucial role in the initiation and regulation of the immune response against tumor. These cells are currently used in many anti-cancer immunotherapeutic protocols. However, the results of clinical trials using dendritic cell-based vaccines have often been disappointed. In this work, we studied the non-conventional direct tumor killing activity of dendritic cells. We showed in a mouse model that LPS can induce a dendritic cell cytotoxic activity against tumoral cells by producing oxide nitric and peroxynitrites. Moreover, after killing, these dendritic cells are able to present tumor antigens to specific T cells and activate them. Our Preliminary data also suggested that killer dendritic cells can negatively modulate regulatory T cells, major inhibitors of the antitumoral immune response. Thus, while targeting the tumors directly, cytotoxic dendritic cells have a strong potential to direct the antitumoral immune responses and to dampen immunosuppression. We have already shown that the human killer dendritic cells can be generated from monocytes of healthy donors as well as cancer patients. Similarly to mouse dendritic cells, the ex vivo generated human cytotoxic dendritic cells kill tumor cells via peroxynitrites. Taken together, herein presented data are very promising and killer antigen presenting cells can potencially be exploited to develop new efficient immunotherapeutic strategies against cancer
Hubert, Margaux. "Caractérisation des cellules dendritiques cDC1 et de leur synthèse d'Interféron de type III dans l’immunité antitumorale". Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1350/document.
Texto completoDendritic cells (DCs) represent a promising target for the development of new immunotherapies because of their central role in the initiation and the control of immunity. The rare cDC1 population is under considerable scrutiny because their murine counterparts called CD8α+ DCs are essential for cross-presentation to CD8+ T cells, antitumor immunity and response to immunotherapies. In contrast, the role of human cDC1 in cancer has not been investigated as extensively as in mice. They were identified in several tumors and transcriptomic analyses revealed their association with a favorable patient outcome. They also represent a major source of type III interferon (IFN-III), also called IFN-λ, playing a crucial role in viral infections, similarly to IFN-I that share the same signaling pathway. Its antitumor activity was also reported in mouse models, therefore raising questions regarding the use of IFN-IIl in clinical oncology. We believe that understanding the underlying mechanisms of cDC1 favorable prognostic impact and the role of IFN-III in antitumor immunity will be central to design new therapeutic approaches. Here, we demonstrated the infiltration of human primary breast and ovarian tumors by several DC populations and the enrichment of cDC1 compared with patient blood. We also showed for the first time close contacts between cDC1 and T cells in breast tumors. An in silico approach using MCPcouter on the TCGA data sets revealed that cDC1 represented the only DC subset associated with a prolonged overall survival in the majority of solid tumors. Interestingly, type I/III signature was strongly enriched in tumors highly infiltrated only with cDC1. Furthermore, we observed by feature intracytoplasmic flow cytometry analysis a spontaneous production of IFN-λ1 that is restricted to cDC1 in the absence of any ex vivo stimulation in one third of tumors. This result clearly indicates that IFN-λ1 production is a distinct of cDC1 compared with other DC subsets, even in a human tumor context. Notably, a high expression level of genes coding for IFN-III or its receptor was correlated with an increased relapse-free survival in breast cancer. We confirmed the presence of the IFN-λ1 protein in more than 50% of tumors and observed its abundancy compared with other IFN subtypes. IFN-λ1 was strongly correlated with IL-12p40, CXCL9, CXCL10, CXCL11, CX3CL1 and TNF-α. These results raised the hypothesis that IFN-λ1, produced by cDC1 in the TME, could be associated with the production of cytokines and chemokines involved in the recruitment and activation of cytotoxic lymphocytes (NK cells and CD8+ T cells). Our study provides detailed information about the DC compartment infiltrating human breast and ovarian tumors, revealing their potential implication in the antitumor immunity. By focusing on the pathways associated with each DC subset, our findings shed new light on the link between DC population called cDC1 and IFN-I/III signature in tumors. Our clear demonstration of IFN-III production by cDC1 and of its positive impact on the prognosis of cancer patients provides valuable evidences to support the development of new therapeutic strategies targeting cDC1 to amplify the response to immunotherapies, especially in breast cancer
Camus, Matthieu. "Etude des paramètres immunologiques du microenvironnement tumoral associés au pronostic des patients atteints de cancers colorectaux". Paris 6, 2008. http://www.theses.fr/2008PA066020.
Texto completoChartral, Ugo. "Rôle de CX3CR1 dans l’immunité antitumorale médiée par les Lymphocytes T". Electronic Thesis or Diss., Bourgogne Franche-Comté, 2024. http://www.theses.fr/2024UBFCE007.
Texto completoThe MSS/MSI dichotomy in colorectal cancer (CRC) does not influence patient survival in the context of a strong immune infiltrate in terms of density and effector cells, also known as the "Immunoscore". However, the objective response rate to immunotherapies is much higher in MSI-CRC compared to MSS-CRC, despite the presence of an immune infiltrate within MSS CRC tumors. Since MSS metastatic colorectal cancers (MSS-mCRC) represent 95% of clinically observed cases, it is necessary to better understand the influence of the MSS-mCRC tumor microenvironment (TME) on CD8 T cells in order to develop new therapeutic strategies. Our research focused on CX3CR1, a G protein-coupled receptor (GPCR) whose role in antitumor immunity has been described as a biomarker for response to immunotherapies or chemotherapies and is also associated with cytotoxic functions in numerous infectious and tumor models. This thesis work aims to understand the role of CX3CR1 as a biomarker in cancers, investigate the mechanisms regulating its expression in the TME, and explore the role of CX3CR1 in antitumor immunity mediated by CD8 T cells infiltrating tumors and its potential use in optimizing cell therapies. We demonstrated that patients with mCRC who did not relapse after surgery had significantly higher expression of CX3CR1 on the surface of their CD8 T cells. While their tumor-infiltrating CD8 T cells did not express CX3CR1, we showed that the majority of these cells were CX3CR1+ CD8 T cells from the peripheral blood that had infiltrated the TME. TGF-β, secreted by the TME, induced a loss of CX3CR1 expression via miR-27a-5p in these cells. Moreover, our work demonstrated the role of the CX3CR1-CX3CL1 axis in potentiating the cytotoxic action of antigen-specific CD8+ T cells against cancer cells. Finally, the addition of this receptor in combination with a CAR-T cell construct potentiated the action of these cells. This work highlighted a potential tumor escape mechanism dependent on TGF-β, inhibiting the expression of CX3CR1 in tumor-infiltrating CD8 T cells and depriving them of the functional role of this receptor
Payelle-Brogard, Béatrice. "Utilisation de cellules hybrides pour l'induction d'une immunité antitumorale chez la souris et l'étude de la suppression de cette réponse". Paris 7, 1985. http://www.theses.fr/1985PA077072.
Texto completoDouin-Echinard, Victorine. "Etude de la mise en place d'une immunité antitumorale par l'utilisation de cellules génétiquement modifiées pour exprimer les molécules de costimulation CD70 et CD80". Toulouse 3, 2001. http://www.theses.fr/2001TOU30206.
Texto completoNoël, Floriane. "Systems Level Analysis of Immune Cell Subsets and Intercellular Communication Networks in Human Breast Cancer". Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS418/document.
Texto completoCell-to-cell communication is at the basis of the higher order organisation observed in tissues, organs, and organism. Understanding cell-to-cell communication, and its underlying mechanisms that drive the development of cancer is essential. Breast tumor microenvironment (TME) is composed of a great cellular diversity, such as endothelial, stromal or immune cells that can influence tumor progression as well as its response to treatment. Among the different immune cell populations, dendritic cells (DCs) subsets integrate signals from their microenvironment and are subsequently essential in orchestrating specific immune response through T cell activation. However, the differential function of these subsets, and their interactions within the TME remain poorly described. My main thesis objective was to understand the impact of the breast TME on DC subsets using systems-level analysis. We used RNA sequencing to systematically analyze the transcriptomes of tumor-infiltrating plasmacytoid pre-DCs (pDCs), cell populations enriched for type 1 classical DCs (cDC1e), type 2 classical DCs (cDC2s), CD14+DCs, and monocytes-macrophages from human primary luminal breast cancer and triple-negative breast cancer. We found that transcriptional reprogramming of tumor-infiltrating antigen-presenting cells is subset-specific. These results suggest a complex interplay between ontogeny and tissue imprinting in conditioning DC diversity and function in cancer.As a second objective, I aimed at studying the cellular communications in order to understand how cells integrate signals from their environment. I developed ICELLNET, a tool to reconstruct intercellular communication networks. This original quantitative method, integrating ligand-receptor interactions and cell type specific gene expression, can be automatically applied to any cell population level transcriptomic profile opening perspectives of application in several disease contexts and biology fields
Champiat, Stéphane. "Caractérisation clinique et biologique de l’hyperprogression tumorale lors du blocage de la voie PD-1/PD-L1". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS040.
Texto completoImmune checkpoint blocking antibodies are profoundly changing the management of patients with cancer. At the forefront of this novel anticancer agent class, anti-PD-1/PD-L1 antibodies can exhibit a significant activity by restoring an efficient antitumor T-cell response. As a result, these agents are now approved in various tumor types such as melanoma, squamous, and nonsquamous non–small cell lung cancer (NSCLC), renal cell carcinoma (RCC), head and neck squamous cell carcinoma (HNSCC) or bladder cancer. Interestingly, these new immunotherapies also result in novel tumor response patterns such as delayed tumor responses or pseudoprogressions. As experience grows with these therapeutics, anecdotal reports are relating rapid disease progressions, which could suggest that immune checkpoint blockade may have a deleterious effect by accelerating the disease in a subset of patients. This thesis work has made it possible to characterize clinically and biologically this phenomenon of accelerated tumor growth under anti-checkpoint immunotherapy, which we have defined as “hyperprogressive disease” (HPD). Transcriptomic analysis of tumour samples from these patients suggested a specific role for the myeloid environment
Libros sobre el tema "Immunité antitumorale"
Dwenger, Anne. Zur zellulären antitumoralen Immunität von Patienten mit Bronchialkarzinom Untersuchung verschiedener Kompartimente. 1995.
Buscar texto completoCapítulos de libros sobre el tema "Immunité antitumorale"
Inman, Brant A., Xavier Frigola, Haidong Dong, James C. Yang y Eugene D. Kwon. "Restoring Host Antitumoral Immunity: How Coregulatory Molecules Are Changing the Approach to the Management of Renal Cell Carcinoma". En Renal Cell Carcinoma, 367–403. Totowa, NJ: Humana Press, 2009. http://dx.doi.org/10.1007/978-1-59745-332-5_21.
Texto completoActas de conferencias sobre el tema "Immunité antitumorale"
Clemence, Demerle, Laurent Gorvel, Marielle Mello, Sonia Pastor, Clara Degos, Ana Zarubica, Frederic Fiore et al. "1107 Anti-HVEM mAB therapy improves antitumoral immunity bothin vitroand in a novel mice model expressing human HVEM and BTLA molecules using HVEM expressing tumors". En SITC 37th Annual Meeting (SITC 2022) Abstracts. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/jitc-2022-sitc2022.1107.
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