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Academic literature on the topic 'Anti-tumoraux'
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Journal articles on the topic "Anti-tumoraux"
Deligne, Claire, and Laurent Gros. "Les anticorps monoclonaux anti-tumoraux." médecine/sciences 35, no. 12 (December 2019): 982–89. http://dx.doi.org/10.1051/medsci/2019194.
Full textFerrero-Pous, M. "Marqueurs tumoraux et vaccins anti cancer, une voie difficile." Immuno-analyse & Biologie Spécialisée 13, no. 5 (January 1998): 322–23. http://dx.doi.org/10.1016/s0923-2532(98)80035-5.
Full textLevade, T., JP Jaffrézou, N. Andrieu, and G. Laurent. "La voie sphingomyéline-céramide dans la réponse cellulaire aux effecteurs anti-tumoraux." médecine/sciences 12, no. 11 (1996): 1219. http://dx.doi.org/10.4267/10608/654.
Full textAllard, Marie, Benoît Rousseau, Evelina Cardoso, Audrey Bellesoeur, and Benoit Blanchet. "Suivi thérapeutique pharmacologique à la 4 e journée de pharmacologie des anti-tumoraux." Bulletin du Cancer 104, no. 9 (September 2017): 800–806. http://dx.doi.org/10.1016/j.bulcan.2017.06.006.
Full textBonhomme, S., and E. Raymond. "Mise au point sur les nouveaux traitements anti-tumoraux et leur risque thrombotique veineux." JMV-Journal de Médecine Vasculaire 42, no. 2 (March 2017): 68–69. http://dx.doi.org/10.1016/j.jdmv.2017.01.035.
Full textTartour, Eric. "Vaccins anti-cancer : quel avenir dans les stratégies d’immunothérapie anti-cancéreuse ?" Biologie Aujourd'hui 212, no. 3-4 (2018): 69–76. http://dx.doi.org/10.1051/jbio/2019002.
Full textGaultier De Saint Basile, Hortense, Caroline Poisson, Jennifer Arrondeau, Pascaline Boudou-Rouquette, François Goldwasser, Eric Tartour, and Eléonore De Guillebon. "Données d’efficacité et de toxicité des immunothérapies anti cancéreuses chez le sujet âgé – 5e journée de pharmacologie des anti-tumoraux." Bulletin du Cancer 105, no. 12 (December 2018): 1202–8. http://dx.doi.org/10.1016/j.bulcan.2018.10.004.
Full textJouinot, A., C. Vazeille, J. P. Durand, N. Neveux, A. Cessot, O. Huillard, J. Arrondeau, et al. "Hypermétabolisme, cachexie et toxicité des traitements anti-tumoraux : étude prospective chez 277 patients atteints de cancer." Nutrition Clinique et Métabolisme 30, no. 1 (March 2016): 58. http://dx.doi.org/10.1016/j.nupar.2016.01.027.
Full textZaibet, Sonia, Charles Vauchier, Nihel Khoudour, Matthieu Roulleaux Dugage, Virginie Korb-Savoldelli, Jérôme Alexandre, Benoit Blanchet, François Goldwasser, Audrey Thomas-Schoemann, and Audrey Bellesoeur. "Enjeux et écueils des thérapies ciblées orales en pratique clinique quotidienne : 5e journée de pharmacologie des anti-tumoraux." Bulletin du Cancer 105, no. 11 (November 2018): 1102–9. http://dx.doi.org/10.1016/j.bulcan.2018.08.005.
Full textFléchon, Aude, Clémentine Villeminey, Frédéric Despiau, Catherine Bertrand, Eric Lecarpentier, and Florence Joly. "Sécurisation des parcours des patients sous traitement anti-tumoraux oraux : recommandations pour une meilleure organisation des services et gestion des appels entrants." Bulletin du Cancer 106, no. 6 (June 2019): 514–26. http://dx.doi.org/10.1016/j.bulcan.2019.03.015.
Full textDissertations / Theses on the topic "Anti-tumoraux"
Benyettou, Farah. "Nanovecteurs superparamagnétiques anti-tumoraux : Synthèse, caractérisations et évaluations biologiques." Paris 13, 2010. http://www.theses.fr/2010PA132031.
Full textThis thesis presents the development of superparamagnetic nano-platform for the delivery of biological interest molecules: hydroxymethylene bisphosphonate (HMBP). These molecules have promising anticancer properties. The anchoring to the iron oxide (10 nm in diameter) nanoparticle surface increases the lipophilicity of HMBPs and modify their therapeutic target. The surface characterization was performed by IR spectroscopy and RMN31P and by dynamic light scattering. The magnetic properties were studied using conventional (SQUID and MRI) or innovative (MIAplex®) magnetic techniques. The anti-tumor potential of these hybrid nanomaterials was evaluated in vitro. They exhibit antiproliferative activity specific to cancer cells, amplified in the presence of a gradient of magnetic field. Initial in vivo tests performed on mice xenografted with breast cancer tumors, showed a significant decrease in the tumors size treated by nanocomplexes in presence of a magnetic field. On the other hand, these nanocomplexes present amino terminal groups, which were coupled with fluorophores, leading to a multimodal magneto-fluorescent. Grafting under microwave energy permit to control with precision the number of fluorophore grafted. In summary, this work allows us to the development of multifunctional nanoparticles. This platform will simultaneously allow to treat a tumor through the release of potent anticancer agents therapy and also imaging the disease progression by two complementary imaging techniques: MRI and fluorescence microscopy
Boisvilliers, Madryssa de. "Effets anti-tumoraux du VIP dans des cellules de neuroblastome." Thesis, Poitiers, 2015. http://www.theses.fr/2015POIT2283/document.
Full textNeuroblastoma (NB) is a pediatric cancer derived from neural crest. High-risk NB are poorly differentiated tumors with MYCN amplification and the most aggressive forms in addition have an ALK mutation. To improve the treatment of these tumors, the new therapies aim to induce cell differentiation, inhibition of MYCN and reduction of ALK signaling. The obtained results indicate that the neuropeptide VIP induces neuritogenesis in high-risk SK-N-DZ and Kelly NB cells, and in addition reduces the expression of MYCN in Kelly cells, as previously observed in IMR-32 cells. In parallel, VIP decreases Kelly and IMR-32 cell invasion and also reduces the activity of AKT that is involved in the signaling of ALK, in Kelly cells harboring the mutation ALK F1174L. Most of these VIP effects are PKA-dependent. Analogs of PACAP, a VIP-related peptide, exhibit a higher efficiency than VIP in Kelly cells. VIP effects on neuritogenesis and MYCN expression in these cells are mediated by the VPAC2 receptor which can have a nuclear localization in the NB cell lines and in NB from patients. A relocation of this nuclear receptor by its own ligand is observed. Moreover, human mesenchymal stem cells derived from adipose tissue induce NB cells differentiation via VIP and/or PACAP peptides. Taken together, these results indicate that VIP and PACAP analogs act on molecular and cellular processes that might reduce aggressiveness of high-risk NB, and thus could be of interest for new therapy
Ali, Moussa. "Contributions à la détermination du mode d'action de ruthénacycles anti-tumoraux." Strasbourg, 2011. http://www.theses.fr/2011STRA6217.
Full textThis work falls within the research field of bio-organometallic chemistry developed in a research laboratory. For many years, cycloruthenated compounds have been synthesized, and the first studies revealed that these compounds showed cytostatic and cytotoxic properties. RCD 11 is the current prototype in this family. Previous studies have revealed that the mechanism of action is because this compound possesses an affinity for DNA, however it is weaker than cisplatin. The reduction of the compounds that will interact with the DNA suggests that other alternative ways than altering to DNA can be implied. Following these results, we decided to research into the mechanism of action of these organometalic compounds by establishing the structure or property-activity correlation on the one hand, and studying their relationship with proteins on the other hard. A series of new compounds were synthesized and characterized by their physico-chemical properties like lipophilicity and redox potential. The anticancer properties were determined in vitro. It showed that hydrophobicity of the compounds is one of the necessary properties needed to cross the membrane wall. As for redox potential, it changes the chemical origin of the biological activity. The other approach consisted of preparing affinity chromatography support aids from the matrix type Hypogel-400 and Toyopearl-AF-carboxylique-650 M. We operated our compounds with amino function in order to click them with these matrixes which possess carboxylic acid function. To carry out the affinity chromatography, we used macro-molecules from cancerous cells from human glioblastome (U87). These studies showed the presence of three proteins indentified by spectrometry of mass that corresponds to histones H4, H2A, H2B and H3. 1. Even though they are preliminary, these experiments are encouraging because they suggest that the derivative of ruthenium directly or indirectly interact with histones, resulting in post-operational modifications (phosphorylation, acétylation) Finally we carried out pharmacokinétical studies in order to observe, through time, the outcome of the introduction of our compounds in a living organism. We concluded that the distribution of the ruthenium differs from one organ to the other. After administering a dose of cisplatin and a compound of ruthenium in a mouse, we observed that the platine concentration was mainly found in the brain and the liver. However, ruthenium was not found in the brain. These results are very significant because neurotoxicity is one of the secondary effects of cisplatin
Jullienne, Betsy. "Adressage de facteurs anti-angiogéniques aux vaisseaux tumoraux à l'aide d'adénovirus recombinants." Paris 11, 2009. http://www.theses.fr/2009PA11T005.
Full textGrazide, Solène. "Implication des microdomaines membranaires RAFTS dans la réponse aux agents anti-tumoraux." Toulouse 3, 2003. http://www.theses.fr/2003TOU30176.
Full textOnfroy, Lauriane. "Développement de biosenseurs BRET prédictifs de la cardiotoxicité des médicaments anti-tumoraux." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30071/document.
Full textCardiotoxicity is a recognized long-term consequence of a lot of anticancer drugs, but its mechanisms are not well-known. To date, the cardiotoxic potential of anticancer drugs is difficult to predict during preclinical studies due to the lack of appropriate tools. In this context, the aim of this thesis project was to develop biosensors, based on the use of bioluminescent resonance energy transfer (BRET) principle, to measure class IB phosphoinositide-3-kinases (PI3K) activity. Indeed, these ubiquitous kinases are major pharmacological oncotargets due to their participation in cancer development, but they also have a preponderant role in cardiac homeostasis. Thus, they could represent cardiac targets for anticancer drugs participating in the development of cardiotoxicity.PI3K-IB are heterodimers of a catalytic subunit (C) p110y and a regulatory subunit (R) p87 or p101. To develop the PI3Ky sensor, BRET energy donor (Rluc8) and acceptor (GFP2) were fused at the N-terminal or C-terminal of each subunit (intermolecular sensor). After expression control of each probe in HEK293T cells, the interactions between C and R subunits for all BRET pairs (8 combinations) were studied, in living cells in real time, so to find one able to sense PI3Ky activation. Our results indicated specific basal interaction between C and R subunits from p110y-p87 and p110y-p101 pairs. However, none of the stimulation conditions tested (receptor nature, ligand concentration, stimulation kinetics and biosensor stoichiometry) allowed the detection of BRET signal modulation. Further addition of p110y co-activators such as Ras proteins or heterotrimeric G proteins, did not improve BRET modulation. We then tried to create an indirect BRET sensor of PI3Ky activity by measuring the interaction between PI3K and G proteins subunits, known to occur during PI3Ky activation. Surprisingly, results highlighted a basal pre-association of PI3Ky and G protein subunits without BRET modulations upon PI3Ky stimulation.In conclusion, we failed to create a BRET biosensor of the PI3Ky activity based on the measure of the interaction between the catalytic and regulatory subunits. However, the pre-association of PI3K subunits without BRET modulation could reflect a mechanism of PI3Ky activation based on conformationals changes of the complex between C and R subunits rather than physical association-dissociation. In the future, intramolecular labeling of the C or R subunit with the two BRET probes could better detect conformational changes and therefore PI3Ky activity. From a fundamental standpoint, the existence of PI3Ky-G proteins pre-complexes could reflect a specific spatio-temporal fine-tuning of the PI3K activity, in agreement with recent concept of preformed cell signaling platforms
Lemadre, Elodie. "Nouveaux rôles anti-tumoraux de STAT1 : expression des immunoglobulines et réparation de l'ADN." Thesis, Paris 13, 2014. http://www.theses.fr/2014PA132020/document.
Full textThe transcription factor STAT1, as a major effector of interferon, plays a key role in innate immunity. Through its strong anti-proliferative and pro-apoptotic properties STAT1 is also considered as a tumor suppressor. The aim of this project was to delineate new potential tumor suppressor properties for STAT1 in two signaling mechanisms: i) Ig expression in plasmacytoid cells and ii) cellular response to genotoxic stress.Our kinetic experiments, upon “de novo” expression of STAT1 in a rare STAT1-deficient cell line showed its modulation of membrane IgG expression. The underlying mechanism involves a STAT1-dependent inactivation of STAT3 and subsequently a decreased expression of BLIMP1, a major contributor to plasma cell differentiation. Since STAT1, like STAT3, is able to bind to the BLIMP1 promoter elements a transcriptional interference cannot be excluded.During alkylating agent treatment with MNNG we have observed the presence of STAT1 in DNA repair complex. STAT1 expression allows the recruitment into a MLH1/p53 complex of the kinase c-Abl. This complex leads to cytotoxic dependence on c-Abl kinase activity, an efficient DNA repair with a transient cell cycle arrest and to signaling mechanisms toward cell survival. At longer term of exposure STAT1 also lead to cellular resistance to treatment.These results provide evidences for new anti-tumor roles of STAT1 in two major regulatory systems and indicate STAT1 as a potential therapeutic target
Karaki, Racha. "Bénéfice d'une thérapie anti-HARP combinée à la radiothérapie dans des modèles tumoraux sensibles." Paris 11, 2009. http://www.theses.fr/2009PA11T049.
Full textHallali, Nicolas. "Utilisation de nanoparticules magnétiques dans les traitements anti-tumoraux : Au-delà de l'hyperthermie magnétique." Thesis, Toulouse, INSA, 2016. http://www.theses.fr/2016ISAT0025/document.
Full textTwo anti-tumor treatments based on magnetic nanoparticles (MNPs) and oscillating magnetic field were studied. The first one, magnetic hyperthermia, uses the heat released by MNPs in contact with tumor cells under a high frequency alternating magnetic field. We have shown that the forces induced by magnetic field inhomogeneity during magnetic hyperthermia essay no influence on cellular viability. Moreover, magnetic measurements, XPS characterization and heating power evaluation of iron MNPs coated by amorphous silica shell were carried out. It was observed that this shell is able to preserve the MNP magnetic properties submitted to an aqueous environment. The second anti-tumor treatment combines MNPs and low-frequency magnetic field, inducing mechanical stress to tumor cells. A complete theoretical study on the influence of magnetic field, thermal agitation and magnetic interaction on the magneto-mechanical forces generated by the MNPs was carried out. It was demonstrated that for a MNP assembly this force increases dramatically when the rotation of the magnetic field induces a break of time reversal symmetry on the magneto-mechanical torque. Experimentally, several devices generating low frequency rotating magnetic fields were developed. Using these devices, in-vitro essays were also achieved using phosphatidylcholine coated MNPs, which bind to cellular membranes. An application of a 40 or 380 mT magnetic field rotating at 10 Hz reduced cell survival rate
Karamanou, Konstantina. "Mécanismes moléculaires mis en jeu dans les effets anti-tumoraux du lumicanne et des glycosaminoglycannes." Thesis, Reims, 2018. http://www.theses.fr/2018REIMM210.
Full textCancer is proved to be a metastatic dissemination and all its stages are obligatorily perpetrated through specific interactions between tumor cells and their microenvironment. Specifically structured ECM is highly responsible for these interactions and the signalling thereof. Because of the fine tuned interactions,it can result in altered gene expression and contribute to remodeling of ECM under pathological conditions. Proteoglycans constitute a key category of special glycosylated proteins, which apart from the structural role, are also involved in all steps of cancer growth and metastasis. SLRPs constitute biologically active molecules of ECM and ususally are characterised as multifunctional signalling molecules. Lumican, key molecule of the thesis, belongs to the SLRPs and its anticancer effect will extensively be studied. The goal of the thesis is to discover the signalling pathway, in which lumican acts,and still remains unknown