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Academic literature on the topic 'Leucémie – Immunologie'
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Journal articles on the topic "Leucémie – Immunologie"
Proust, S., X. Rialland, and P. Rachieru-Sourisseau. "SFCE-P02 – Cancérologie, hématologie, immunologie – Utilisation de l’aracytine liposomale dans une rechute méningée de leucémie aiguë lymphoblastique chez l’enfant. Efficacité et tolérance : à propos d’un cas." Archives de Pédiatrie 15, no. 5 (June 2008): 1007. http://dx.doi.org/10.1016/s0929-693x(08)72344-3.
Full textToubert, Antoine, Ali Turhan, Agnès Guerci-Bresler, Nicolas Dulphy, and Delphine Réa. "Lymphocytes NK : un rôle majeur dans le contrôle immunologique de la leucémie myéloïde chronique." médecine/sciences 34, no. 6-7 (June 2018): 540–46. http://dx.doi.org/10.1051/medsci/20183406013.
Full textBouayad, A., H. Ait Addi, A. Lamrabat, L. Doukkali, and A. Masrar. "Leucémies aiguës lymphoïdes au Maroc : profil épidémiologique et immunologique à propos de 129 cas." Transfusion Clinique et Biologique 20, no. 3 (June 2013): 326–27. http://dx.doi.org/10.1016/j.tracli.2013.03.126.
Full textCastagna, J., E. Amsler, H. Gaouar, T. De Risi-Pugliese, F. Kurihara, F. Chasset, A. Barbaud, and A. Soria. "Toxidermies et leucémie à tricholeucocytes : une association non fortuite." Revue Française d'Allergologie 60, no. 4 (June 2020): 333. http://dx.doi.org/10.1016/j.reval.2020.02.097.
Full textGardais, J. "Typage des leucémies aiguës à l'aide d'anticorps monoclonaux." Trait - d'Union 2, no. 4 (December 1987): 30–32. http://dx.doi.org/10.1016/s0980-9090(87)80046-0.
Full textAladjidi, Nathalie, Anne Auvrignon, Thierry Leblanc, Yves Perel, Antoine Bénard, Pierre Bordigoni, Virginie Gandemer, et al. "Outcome in Children With Relapsed Acute Myeloid Leukemia After Initial Treatment With the French Leucémie Aiquë Myéloïde Enfant (LAME) 89/91 Protocol of the French Society of Pediatric Hematology and Immunology." Journal of Clinical Oncology 21, no. 23 (December 1, 2003): 4377–85. http://dx.doi.org/10.1200/jco.2003.11.066.
Full textDesbois, I., E. Racadot, P. Colombat, C. Linassier, E. Deconinck, JY Cahn, J. Domenech, et al. "P3-7 Purge immunologique négative des greffons médullaires de lymphomes nodulaires et de leucémies lymphoïdes chroniques: expérience de Besançon et Tours." Transfusion Clinique et Biologique 5 (April 1998): 66s—67s. http://dx.doi.org/10.1016/s1246-7820(98)80047-5.
Full textLenormand, B., J. P. Vannier, M. C. Bene, A. Falkenrodt, C. Bayle, M. Favre, R. Garand, et al. "CD2+ CD19+ acute lymphoblastic leukaemia in 16 children and adults: clinical and biological features. The Groupe d'Etude Immunologique des Leucémies (G.E.I.L.)." British Journal of Haematology 83, no. 4 (April 1993): 580–88. http://dx.doi.org/10.1111/j.1365-2141.1993.tb04694.x.
Full textLe Meignen, Marion, Pascal Auquier, Vincent Barlogis, Nicolas Sirvent, Audrey Contet, Marie-Claude Simeoni, Claire Galambrun, et al. "Bone mineral density in adult survivors of childhood acute leukemia: impact of hematopoietic stem cell transplantation and other treatment modalities." Blood 118, no. 6 (August 11, 2011): 1481–89. http://dx.doi.org/10.1182/blood-2011-01-332866.
Full textArnaud, Marie-Pierre, Stéphane Avner, Aurélien A. Sérandour, Anne-Gaëlle Rio, Nicolas Mouchet, Morgane Lenrouilly, Jason S. Caroll, et al. "Normal RUNX1 and Pathogenic ETV6/RUNX1 Compete Genome-Wide for Chromatin Binding in Pre-B Acute Lymphoblastic Leukemia." Blood 124, no. 21 (December 6, 2014): 3544. http://dx.doi.org/10.1182/blood.v124.21.3544.3544.
Full textDissertations / Theses on the topic "Leucémie – Immunologie"
Landau, Dan Avi. "Evolution et impact des mutations sous-clonales dans la leucémie lymphoïde chronique." Paris 7, 2013. http://www.theses.fr/2013PA077033.
Full textClonal evolution is a key feature of cancer progression and relapse. We studied intra-tumoral heterogeneity in 149 chronic lymphocytic leukemia (CLL) cases by integrating whole-exome sequence and copy number to measure the fraction of cancer cells harboring each somatic mutation. We identified driver mutations as predominantly clonal (e. G. , MYD88, trisomy 12 and del(13q)) or subclonal (e. G. , SF3B1, TP53), corresponding to earlier and later events in CLL evolution. We sampled leukemia cells from 18 patients at two timepoints. Ten of 12 CLL cases treated with chemotherapy (but only 1 of 6 without treatment) underwent clonal evolution, predominantly involving subclones with driver mutations (e. G. , SF3B1, TP53) that expanded over time. Furthermore, presence of a subclonal driver mutation was an independent risk factor for rapid disease progression. Our study thus uncovers patterns of clonal evolution in CLL, providing insights into its stepwise transformation, and links the presence of subclones with adverse clinical outcome
Gros, Frédéric. "Expression des molécules HLA-G solubles au cours des leucémies aiguës et étude de l’impact fonctionnel via les cellules dendritiques." Rennes 1, 2006. http://www.theses.fr/2006REN1S117.
Full textMohr, Audrey. "Caractérisation des lymphocytes B régulateurs dans la leucémie lymphoïde chronique." Thesis, Brest, 2016. http://www.theses.fr/2016BRES0066/document.
Full textBackground: Chronic lymphocytic leukemia (CLL) is characterized by expansion of CD5+B cells associated with disruption of immune responses, contributing to the immunodeficiency and the disease progression. Regulatory B (Breg) cells may control the anti-tumor responses favoring tumor escape. Intriguingly, CLL B cells share phenotypical characteristics with these cells.Aims: The main focus of this project is to evaluate the regulatory function of CLL B cells, aiming to estimate their influence on the lack of anti-tumor responses mediated by T cells.Methods: In vitro models of co-cultures between T and B cells are used to appraise the regulatory capacity of CLL B cells on T cell proliferation.Results: We determined a defective spontaneous regulatory function for CLL B cells. Two groups of patients have been identified following CpG-ODN stimulation. The first group presents defective regulatory B cell functions compared with control B cells. In the second group, no inhibitory activity is detected. TLR-9 gene expression analysis highlighted differential gene expression between controls and the two groups of CLL patients. Moreover, ours observations indicate that patients with low Breg activity have more aggressive disease.Conclusion: These results suggest alteration of the TLR-9 pathway in CLL B cells. To go further, it will be of interest to identify the molecular mechanisms damaging the TLR-9 pathway. These results would contribute to clarify the lack of anti-tumor immune response found in the CLL patients
Rossignol, Alexis. "Etude des interactions entre les lymphocytes iNKT et les cellules dendritiques chez l'homme : implication dans la réponse immunitaire anti-tumorale au cours de la leucémie myéloïde chronique." Poitiers, 2007. http://www.theses.fr/2007POIT1402.
Full textDanel, Laurence. "Hormones sexuelles, système immunitaire et hémopathies malignes." Lyon 1, 1985. http://www.theses.fr/1985LYO10033.
Full textCellier, Mathieu. "Elaboration de modèles expérimentaux pour l'étude des stress cellulaires dans les interactions hôte - agent pathogène." Montpellier 2, 1992. http://www.theses.fr/1992MON20205.
Full textGoepp, Marie. "Dissection fonctionnelle des spécificités et des redondances des facteurs de transcription de la famille Ikaros dans les lymphocytes T." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAJ043/document.
Full textThe lkaros transcription factor family is made of the proteins lkaros, Helios, Aiolos and Eos. They are expressed during the development and regulate the differentiation of lymphocytes B and T. These proteins present a strong homology between their nucleic and protein sequences and are involved the appearance of T or B lymphoblastic leukaemia. However these factors present strong differences in their profiles of expression, their functions and their target genes. An immature T cell line, deficient for lkaros, allows us to study the functional and molecular differences of members of the family. There-expression of lkaros, Aiolos and Helios allows the differentiation and the decrease of the proliferation of these cells. I also showed that the various members of the family had different capacities to activate or repress certain target genes. An exchange of the protein sequences coding for the DNA binding domain (DBD), shows that the functional specificity is partially determined by the DBD domain, but also by the other regions of lkaros and Aiolos
Baier, Céline. "Caractérisation des cellules natural killer dans la polyglobulie de Vaquez et dans la leucémie aigüe myéloïde." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM5052.
Full textThe latest advances in blood disorders treatments lead to a better complete remission rate and a better survival rate after treatment. However, the risk of relapse remains high. Our project is included in the understanding of NK cells role in the development of these diseases.In a first part, we focused on polycythemia Vera for several reasons: the pathology has a slowly progressive disease, and it is characterized by the presence of JAK2 mutation for > 95% patients. We wanted to know if this mutation was found in NK cells from PV patients and what effects the mutation had on NK cells functions. Our results have shown that although the mutation was found in NK cells, it appears to have no impact on NK cells functions. We conclude that the evolution of PV to leukemia is not due to a loss of NK cell functions but to their inhibition by cellular environment.In a second part, we investigated the regulation of natural cytotoxicity receptors in acute myeloid leukemia because previous works have shown that NCR are weakly expressed in AML patients, that this down-regulation is acquired during evolution of AML and reversible after complete remission, ant that NCR weak expression is related to poor prognosis. We supposed that the expression of the three NCR has a common regulation at genes transcription level. Our bioinformatic researches and our experiment of chromatin immunoprecipitation show that ETS-1 transcription factor is a good candidate involved in the common regulation of the three NCR
Schleiss, Cédric. "Anomalies des programmes de réponse lymphocytaire après stimulation du récepteur à l’antigène dans la leucémie lymphoïde chronique." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAJ133.
Full textA cell constantly receives signals from its environment. This stimulation induces a signalling cascade activating a dynamic genic and proteomic program, leading to an adapted cellular response. In chronic lymphocytic leukemia (CLL), an antigen receptor stimulation induces a program and an abnormal response behind leukemic proliferation. Our aim was to characterize the pathological cell program. To achieve this, we have implemented a stimulation model to reproduce ex vivo antigen receptor stimulation of primary cells from CLL patients and activate this cellular program. We then analyzed the transcriptional and proteomic dynamics activated in these cells in order to characterize the abnormalities of this program. This study allows us to highlight the specificity of this proliferative program and to identify key genes of tumor program. These genes constitute potential new therapeutic targets
Prade-Houdellier, Naïs. "Régulation de la télomérase dans les cellules hématopoïétiques normales et leucémiques." Toulouse 3, 2007. http://thesesups.ups-tlse.fr/52/.
Full textHuman telomerase is a ribonucleoprotein DNA polymerase comprising a catalytic protein subunit, telomerase reverse transcriptase (hTERT), which represents the rate-limiting state in telomerase activity, and a RNA template (hTR). The primary defined function of telomerase is to elongate telomere at the end of chromosomes and allow cells to bypass replicative senescence. Recently, other important cellular functions have been attributed to telomerase, including cell proliferation, genetic stability, protection against apoptosis and cell differentiation. HTERT is highly expressed in cancer cells including acute myeloid leukaemia (AML), and in proliferative tissues such as haematopoietic cells. Previous studies have indicated that telomerase activity is low in primitive haematopoietic cells, but increases upon stimulation with a mixture of cytokines in parallel to cell expansion, and then declines progressively during differentiation. These observations suggest a function for telomerase in haematopoiesis. The aim of our study was to assess hTERT regulation by HGF in normal and leukemic cells. In the first part of the study, we showed that in AML cells, treatment with TNF-α induces a decrease in hTERT gene transcription through a ceramide/JNK pathway, and that coincubation with GM-CSF can inhibit the effect of TNF-α. Interestingly, in normal haematopoietic progenitors, TNF-α also down-regulate hTERT gene expression alongside with a decrease in proliferation and an increase in differentiation. In the second part of the study, we investigated whether hTERT can be regulated during erythropoiesis, by erythropoietin (EPO) and TGF-β, wich are respectively the major positive and negative regulators of erythropoiesis. As a result, we demonstrated that EPO can stimulate hTERT transcription through a JAK2/STAT5/c-myc pathway, and that TGF-β counteracts this effect through Smad3 activation. Moreover, hTERT inhibition by ectopic expression of a dominant negative, reveals that EPO-mediated hTERT regulation serves neither for the proliferative response to EPO, nor to enhance cell survival, but can play a role in long term erythroid expansion. In conclusion, the compiled results produced clearly suggest that telomerase can be regulated by haematopoietic cytokines, and that all events leading to inhibition of hTERT expression may potentially alter haematopoiesis and lead to medullar insufficiency found in myelodysplastic syndromes for instance
Books on the topic "Leucémie – Immunologie"
E, McCoy Ernest, and Epstein Charles J, eds. Oncology and immunology of Down Syndrome: Proceedings of the National Down Syndrome Society Symposium held in New York, December 4 and 5, 1986. New York: Liss, 1987.
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