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Academic literature on the topic 'Protéine 1 de la mort cellulaire programmée'
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Journal articles on the topic "Protéine 1 de la mort cellulaire programmée"
Herbomel, Philippe. "Mort cellulaire programmée et embryogenèse." Revue Française des Laboratoires 1999, no. 311 (March 1999): 31–34. http://dx.doi.org/10.1016/s0338-9898(99)80034-1.
Full textOmaiche, Tarek. "Le potentiel thérapeutique d’un lipide de l’avocat (avocatin B) pour le traitement des leucémies aiguës myéloblastiques." Journal of Student Science and Technology 8, no. 2 (September 4, 2015). http://dx.doi.org/10.13034/jsst.v8i2.76.
Full textDissertations / Theses on the topic "Protéine 1 de la mort cellulaire programmée"
Moubarak, Rana. "Caractérisation de la voie de mort cellulaire programmée induite par le dommage à l'ADN : rôles de PARP-1, calpaine, Bax et AIF." Paris 6, 2007. http://www.theses.fr/2007PA066045.
Full textRobinet, Pauline. "La mitogaligine, protéine de la mort cellulaire programmée : localisation nucléaire, conséquences de modifications post-traductionnelles potentielles et interaction fonctionnelle avec Mcl-1." Phd thesis, Université d'Orléans, 2010. http://tel.archives-ouvertes.fr/tel-00635381.
Full textOuellet, Mario. "Analyse fonctionnelle d'homologues végétaux de Bax Inhibitor-1 et développement d'un modèle de mort cellulaire programmée induite par Bax chez des cultures cellulaires de Nicotiana tabacum." Thesis, Université Laval, 2004. http://www.theses.ulaval.ca/2004/21795/21795.pdf.
Full textRousselle, Tristan. "Etude fonctionnelle de la protéine p21(waf1/cip1) : rôles joués au cours du cycle cellulaire et de la mort cellulaire programmée." Université Joseph Fourier (Grenoble), 1999. http://www.theses.fr/1999GRE10210.
Full textChaîné, Marie-Andrée. "Étude de l'expression d'AtBI-1 lors de la mort cellulaire programmée causée par les UV-C." Mémoire, Université de Sherbrooke, 2011. http://savoirs.usherbrooke.ca/handle/11143/4908.
Full textPetit, Frédéric. "Effets du VIH-1 sur la modulation des mécanismes de mort cellulaire programmée dans les lymphocytes T CD4." Paris 6, 2002. http://www.theses.fr/2002PA066294.
Full textDe, Vries-Brilland Manon. "Caractérisation du microenvironnement immunitaire des carcinomes papillaires du rein." Electronic Thesis or Diss., Angers, 2023. http://www.theses.fr/2023ANGE0017.
Full textArticle 1: Checkpoint inhibitors in metastatic papillary renal cell carcinoma : papillary Renal Cell Carcinoma (pRCC) is the most common non-clear cell RCC (nccRCC) and a distinct entity, although heterogenous, associated with poor outcomes. The treatment landscape of metastatic pRCC (mpRCC) relied so far on targeted therapies, mimicking previous developments in metastatic clear-cell renal cell carcinoma. However, antiangiogenics as well as mTOR inhibitors retain only limited activity in mpRCC. As development of immune checkpoint inhibitors (ICI) is now underway in patients with mpRCC, we aimed at discussing early activity data and potential for future therapeutic strategies in monotherapy or combination. Expression of immune checkpoints such as PD-L1 and infiltrative immune cells in pRCC could provide insights into their potential immunogenicity, although this is currently poorly described. Based on retrospective and prospective data, efficacy of ICI as single agent remains limited. Combinations with tyrosine-kinase inhibitors, notably with anti-MET inhibitors, harbor promising response rates and may enter the standard of care in untreated patients. Collaborative work is needed to refine the molecular and immune landscape of pRCC, and pursue efforts to set up predictive biomarker-driven clinical trials in these rare tumors. Article 2 : Comprehensive analyses of immune tumor microenvironment in papillary renal cell carcinoma. Background : papillary Renal CellCarcinoma (pRCC) is the most common non-clear cell RCC (nccRCC), and associated with poor outcomes in the metastatic setting. In this study, we aimed to comprehensively evaluate the immune tumor microenvironment (TME) ,largely unknown, of patients with metastatic pRCC and identify potential therapeutic targets. Methods : we performed quantitative gene expression analysis of TME using MCP-counter methodology, on 2 independent cohorts of localized pRCC (n=271 and n=98). We then characterized the TME, using immunohistochemistry (n=38) and RNA-sequencing (RNA-seq) (n=30) on metastatic pRCC from the prospective AXIPAP trial cohort. Results: unsupervised clustering identified 2 "TME subtypes", in each of the cohorts : the “immune-enriched” and the “immune-low”.Within AXIPAP trial cohort, the “immune-enriched” cluster was significantly associated with a worse prognosis according to the median overall survival to 8 months (95%CI, 6-29) versus 37 months (95%CI, 20-NA,p=0.001).The 2 immune signatures, Teff and JAVELIN Renal 101 Immuno signature, predictive of response to immune checkpoint inhibitors (CPI) in ccRCC, were significantly higher in the “immune-enriched” group (adjusted p<0.05). Finally, 5 differentially overexpressed genes were identified, corresponding mainly to B lymphocyte populations. Conclusion : for the first time, using RNA-seqand IHC, we have highlighted a specific immune TME subtype of metastatic pRCC, significantly more infiltrated with T and Bimmune population. This “immune-enriched” group appears to have a worse prognosis and could have a potential predictive value for response to immunotherapy, justifying the confirmation of these results in a cohort of metastatic pRCC treated with CPI and incombination with targeted therapies
Simon, Sylvain. "Régulation de l'expression de PD-1 sur des lymphocytes T spécifiques de mélanome et suivi immunologique de patients traités par immunothérapie anti-PD-1." Thesis, Nantes, 2016. http://www.theses.fr/2016NANT1024/document.
Full textWhile having considerably modified melanoma-patients’ management, a large fraction of patients remains refractory to the immunotherapies targeting PD-1 axis. The understanding of immunological mechanisms involved in clinical efficacy or tumor resistance is crucial to further improve therapeutic efficiency. PD-1 has been largely documented as a major regulator of anti-tumor T cell responses, but it also identifies melanoma-reactive T lymphocytes. We have demonstrated that PD-1 positive melanoma-specific T cell clones exhibit higher functional avidity than T cell clones unable to induce PD-1 through epigenetic mechanisms. Furthermore, the in vitro PD-1 blockade during the generation of melanoma-specific T cells for adoptive cell transfer allows the production of T effectors with optimized functions.The immune follow-up of anti-PD-1 treated melanoma patients demonstrated substantial changes, in all patients, within the Melan-A specific T cell repertoire. We observed the emergence of high functional avidity clonotypes’ exhibiting PD-1 and TIGIT co-expression in responding patients.These studies demonstrated that PD-1 is associated with melanoma-specific T cells functional avidity. In addition, therapeutic efficacy of anti-PD-1 treatments is correlated to that property as it allows the emergence of clonotypes exhibiting high functional avidity and reactivity to tumor cells. These T lymphocytes co-express PD-1 and TIGIT, which could therefore represent suitable targets for further combined therapies
Landry, Marie-Claude. "Implication du trafic des endosomes de recyclage et de la dynamique de l'actine dans la communication inter-organelle au cours de la mort cellulaire programmée : la protéine E4orf4 de l'adénovirus comme modèle d'étude." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27173/27173.pdf.
Full textMailhac, Nathalie. "Etude des gènes AtBI, homologues chez Arabidopsis thaliana, du gène humain bax-inhibitor-1 : caractérisation de la fonction "suppresseur de mort cellulaire programmée" du gène AtBI-1." Perpignan, 2003. http://www.theses.fr/2003PERP0502.
Full textOur study revealed the presence of 3 genes, named AtBI, in the genome of A. Thaliana, that are homologous to the human gene hBax-Inhibitor-1, a suppressor of Programmed Cell Death (PCD). We used two experimental systems: transient expression in protoplasts and stable transformants (35S-AtBI-1), to demonstrate the conservation in plants of the suppressor function when PCD was induced by UV-C, by heterologous expression of mBAX-a or during the PCD of the tapetum occurring in anther development. In addition, we have shown the conservation of the suppressor function of hBcl-2 when PCD is induced by mBax-a. Finally, AtBI-1 and AtBI-3 are ubiquitously expressed, and share the conserved structural properties of the human hBI-1 gene and protein. This gene family may represent a novel regulator of plant PCD, possibly at the level of the Endoplasmic Reticulum