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Academic literature on the topic 'Inhibiteurs de CDKs (Cyclin Dependant Kinases)'
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Journal articles on the topic "Inhibiteurs de CDKs (Cyclin Dependant Kinases)"
Chevalier, S., J. P. Tassan, R. Cox, M. Philippe, and C. Ford. "Both cdc2 and cdk2 promote S phase initiation in Xenopus egg extracts." Journal of Cell Science 108, no. 5 (May 1, 1995): 1831–41. http://dx.doi.org/10.1242/jcs.108.5.1831.
Full textAlmstedt, Katrin, and Marcus Schmidt. "Targeted Therapies Overcoming Endocrine Resistance in Hormone Receptor-Positive Breast Cancer." Breast Care 10, no. 3 (2015): 168–72. http://dx.doi.org/10.1159/000405017.
Full textKamboj, Jasmine, Elie Chalhoub, and Peter E. Friedell. "Reversible Macrocytosis with Cyclin Dependent Kinase Inhibitors." Blood 132, Supplement 1 (November 29, 2018): 4882. http://dx.doi.org/10.1182/blood-2018-99-113380.
Full textPoulsen, Anders, Anthony William, Stéphanie Blanchard, Harish Nagaraj, Meredith Williams, Haishan Wang, Angeline Lee, et al. "Structure-based design of nitrogen-linked macrocyclic kinase inhibitors leading to the clinical candidate SB1317/TG02, a potent inhibitor of cyclin dependant kinases (CDKs), Janus kinase 2 (JAK2), and Fms-like tyrosine kinase-3 (FLT3)." Journal of Molecular Modeling 19, no. 1 (July 22, 2012): 119–30. http://dx.doi.org/10.1007/s00894-012-1528-7.
Full textDissertations / Theses on the topic "Inhibiteurs de CDKs (Cyclin Dependant Kinases)"
Bendjeddou, Lyamin. "Synthèse et évaluation biologique de nouveaux inhibiteurs de kinases : identification d‘inhibiteurs de kinases parasitaires." Thesis, Paris 5, 2014. http://www.theses.fr/2014PA05P615.
Full textPhosphorylation by protein kinases is one of the most important post-translational modification in cellular processes such as division, differentiation, proliferation and apoptosis. Kinase deregulation is associated with numerous diseases such as cancer or neurodegenerative diseases. Imidazo[1,2-b]pyridazine and imidazo[4,5-b]pyridine were prepared to inhibit protein kinases involved in diseases targeted in the laboratory. The imidazo[1,2-b]pyridazines were synthesized to identify inhibitors of CLK1 and DYRK1A, potential targets in Alzheimer's disease. Among the imidazo[1,2-b]pyridazines synthesized, several molecules were found selective of DYRKs and CLKs, with IC50 < 100 nM. A structure-activity relationship based on the synthesis of 70 molecules, led to the identification of the structural bases of the selectivity. Products were also evaluated against parasite kinases. It was possible to identify some highly potent inhibitors on PfCLK1. The aim of second part of this thesis was to optimize the synthetic process to obtain imidazo[4,5-b]pyridines, which are close analogues of roscovitine. Derivatives had proved capable of inhibiting the formation of cysts in a cellular model of polycystic kidney disease. A seven-step synthesis has led to several grams of 3,5,7-trisubstituted imidazo[4,5-b]pyridine which is now available for evaluation in vivo
Bourderioux, Aurélie. "Synthèse d'hybrides d'indolocarbazoles et de la caulersine, composés à visée antitumorale." Phd thesis, Université d'Orléans, 2007. http://tel.archives-ouvertes.fr/tel-00147916.
Full textDans le cadre de la recherche de nouveaux agents cytotoxiques et d'inhibiteurs de kinases toujours plus sélectifs, la structure principale des phénylcarbazoles, appartenant à la famille des indolocarbazoles, a été modifiée par introduction d'une tropone centrale, cycle à 7 chaînons porteur d'une fonction carbonyle. Les différentes voies de synthèse permettant d'accéder à cette nouvelle famille de composés appelés oxophénylarcyriaflavines ont été étudiées. La méthode de choix retenue pour l'étape finale de la synthèse est la cyclisation électrophile en position 2 de l'indole. Cette synthèse a ensuite été généralisée aux composés substitués par des groupements hydroxyles en position 5 de l'indole d'une part et en position 4' et 5' du noyau phényle d'autre part. Les 17 molécules finales ainsi synthétisées ont subi divers tests biologiques permettant d'établir les RSA de cette nouvelle famille de composés. Finalement, la méthodologie mise au point pour les oxophénylarcyriaflavines a été étendue à la synthèse de la toute première famille de composés bisindoliques possédant également une tropone centrale.
Nafati, Mehdi. "Caractérisation fonctionnelle des inhibiteurs de Cyclin-Dependent Kinase (CDK) dans le fruit de tomate (Solanum lycopersicum)." Thesis, Bordeaux 2, 2010. http://www.theses.fr/2010BOR21712/document.
Full textWithin the Joint Research Unit 619 of the National Institute of Agronomic Research (INRA), the group "Organogenesis of the Fruit and endoreduplication" examines the molecular players involved in cell cycle control in tomato fruit. The purpose of this thesis is the study of the cell cycle inhibitor Kip-Related Protein and its role during fruit development. Identification of protein motifs in the functional inhibitor of Cyclin-Dependent Kinase in Solanum lycopersicum SlKRP1: Their role in interactions with partners in the cell cycle The Kip-related proteins (KRPs) play a major role in the regulation of cell cycle. It has been shown to inhibit the CDK / Cyclin and thus block cell cycle progression. Despite their lack of homology with their counterparts in animals beyond their binding motif CDK / Cyclin, located at the C-terminal protein sequences in the plant, previous studies have shown the presence of conserved motifs plant specific in some KRPs, but there is little information about their function. We show here that the KRPs are distributed into two phylogenetic groups, and that each subgroup has specific short conserved motifs. The KRPs from subgroup 1 have six conserved motifs. Using SlKRP1, which belongs to subgroup 1, we have identified the motifs responsible for the localization of the protein and protein-protein interactions. We demonstrate that the pattern 2 is responsible for the interaction with CSN5, a subunit of the signalosome complex, and that the motif 5 is redundant with motif 3 with respect to the sub-cellular localization of the protein. We also show that SlKRP1 is capable of guiding SlCDKA1 and SlCycD3; 1 to the nucleus, even in the absence of CDK / cyclin binding motif previously referenced. This new site of interaction is probably located in the central part of the sequence of SlKRP1. These results provide new clues about the role of the little-known part of this protein. Overexpression of SlKRP1 in tomato mesocarp disrupts the proportionality between endoreduplication and cell size The fruit is a specialized organ which results from the ovary after pollination and fertilization, and provides a suitable environment for seed maturation and dispersal. Because of their importance in human nutrition and economic importance, fleshy fruit species have been the subject of study mainly focused on the developmental formation of the ovary, fruit set and fruit ripening. The stage of fruit growth has been much less studied, although cell division and cell growth taking place during this period are crucial to determining the final size of the fruit, as well as its mass and shape. The development of tomato fruit mesocarp occurs by the estate of a phase of cell division followed by a phase of cell expansion associated with endoreduplication, leading to the formation of giant cells (up to 0.5 mm) with ploidy levels of up to 256C. Although a clear relationship between endoreduplication and cell growth has been shown by many examples in plants, the exact role of endoreduplication has still not been elucidated, since most of the experiments leading to a change in the level of endoreduplication in plants also affected cell division. We studied the kinetics of the development of tomato mesocarp morphologically and cytologically and studied the effect of the reduced level of endoreduplication in the development of the fruit over-expressing the cell cycle inhibitor Kip-Related Protein 1 (SlKRP1) specifically in the growing cells of the tomato mesocarp. We show a direct proportionality between endoreduplication and cell size during normal development of the fruit, which allowed us to build a model for development of mesocarp defining the thickness of the pericarp by taking into account the number of cell divisions and the number of rounds of endoreduplication. Surprisingly, the tomato mesocarps affected in their level of endoreduplication by over-expression of SlKRP1 are not affected in terms of cell size and fruit, or on their metabolic content. Our results demonstrate for the first time that while the level of ploidy is closely linked with cell size and fruit, endoreduplication is not responsible for the cell growth of tomato mesocarp
Gloulou, Olfa. "Identification de nouvelles structures inhibitrices de kinases : conception synthèse et évaluation biologique." Thesis, Paris 5, 2013. http://www.theses.fr/2013PA05P637/document.
Full textIn the introduction, the main functions of cyclin dependent kinases are detailed. Whenever it was possible the link with pathologies where these kinases are overexpressed is presented. This is followed by the description of the inhibitors which are actually undergoing clinical testing. Most of these clinical studies are targeting cancer and leukemia. Impressive clinical results have been disclosed for Dinaciclib, Palbociclib and Roscovitine. The synthesis of two series of compounds is then envisioned. The first series of products are purine derivatives bearing a hydroxybiarylmethyl group on the 6 position of the purine scaffold. Two approaches were compared in the synthesis of the hydroxylbiarylmethylamino group. In both approaches the key step was the orthoformylation of phenols using magnesium chloride as catalyst. The prepared compounds were evaluated against kinases and a tumor cell line. They were found more potent than homologous products without hydroxyls. The second families of products are thieno[3,2-d]pyrimidines. A new general route to these products based on the preparation of 7-bromo-2,4-dichloro-thieno[3,2-d]pyrimidine which can allow the synthesis of a large diversity of trisubstituted derivatives
Sarkis, Manal. "Les phosphates CDC25 constituent-elles des cibles importantes en cancérologie : Des inhibiteurs de l'activité enzymatique vers les inhibiteurs de l'interaction entre CDC25 et leurs substrats CDK-Cycline." Thesis, Paris 5, 2012. http://www.theses.fr/2012PA05P635.
Full textCDC25 phosphatases are key regulators of the cell cycle and its checkpoints. Hence, they are required to dephosphorylate and thus activate the Cdk/Cyclin complexes triggering progression through the different phases. Over-expression of CDC25 has been demonstrated in a large number of human tumors and is often associated with aggressiveness and poor clinical prognosis. CDC25 phosphatases may therefore represent attractive targets for anti-cancer therapy. Starting from a thiazolopyrimidinone (TZP) structure, previously reported as CDC25 inhibitor in our laboratory, two series of new compounds have been developed. Dimerisation of the thiazolone scaffold led to bis-thiazolone derivatives with inhibitory activities in the micromolar range greater than that observed for the mono-thiazolones. Moreover, most of these compounds were selective CDC25 inhibitors. A second scaffold was designed by opening of the pyrimidine ring of the TZP, leading to thiazolidine-4-one derivatives that inhibit CDC25B activities with values of IC50 in the micromolar range. A four-component reaction, using micro-wave irradiation, was developed to rapidly prepare these compounds. Finally, an approach aiming at inhibiting the interactions between phosphatase CDC25 and its substrate CDK2 was engaged. Several virtual chemical libraries will be screened in silico, and the small molecules candidates selected will be assessed for their binding affinity using an in vitro assay, that we sought to develop