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Academic literature on the topic 'Métalloprotéinases – Inhibiteurs'
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Journal articles on the topic "Métalloprotéinases – Inhibiteurs"
Dive, Par Vincent, Michel Kaczorek, and Florence Roux. "Les nouveaux inhibiteurs des métalloprotéinases à zinc." Biofutur 1997, no. 167 (May 1997): 29–33. http://dx.doi.org/10.1016/s0294-3506(99)80303-2.
Full textRahman, MNA Abdul, Junaid Alam Khan, Fayyaz Ali Khan Mazari, Katherine Mockford, Peter Thomas McCollum, and Ian Clifford Chetter. "Une étude randomisée contrôlée contre placebo sur les effets des statines préopératoires sur les métalloprotéinases matricielles et les inhibiteurs tissulaires des métalloprotéinases matricielles dans les zones de faible et forte tension pariétale chez les patients ayant une chirurgie ouverte élective pour anévrysme de l’aorte abdominale." Annales de Chirurgie Vasculaire 25, no. 1 (January 2011): 35–42. http://dx.doi.org/10.1016/j.acvfr.2011.09.003.
Full textLAFUMA, C., R. EL NABOUT, A. HOVNANIAN, and M. MARTIN. "Modification de l'expression des métalloprotéinases de la matrice extracellulaire (MPMs) et de leur inhibiteur tissulaire (TIMP) par les fibroblastes issus de fibrose porcine sous-cutanée post-radique." Radioprotection 27, no. 2 (April 1992): 187. http://dx.doi.org/10.1051/radiopro/1992025.
Full textDissertations / Theses on the topic "Métalloprotéinases – Inhibiteurs"
Le, Dour Gwennaël. "Synthèse de nouveaux inhibiteurs potentiels de métalloprotéinases matricielles (MMPs)." Reims, 2005. http://www.theses.fr/2005REIMP206.
Full text@Matrix metalloproteinase (MMPs) are proteolytic calcium and zinc dependent enzymes. Their principal action is to degrade proteins, mainly on the extracellular matrix. MMPs play a determining role in various physiological processes such as the embryonic development, wound healing and also in pathological ones like arthritis and especially cancer. Thus, in this ongoing interest for the inhibition of MMPs in the anti-cancer therapies, the goal of our laboratory is to synthesize new selective inhibitors. Our research is then directed towards the synthesis of structural analogues of Ilomastat®, a potent but a no selective inhibitor. Three families of original compounds are developed preserving their activity and offering a better selectivity and bioavailability. They present structural modifications of backbone pseudopeptide for a best insertion in the enzymatic pocket S'2, S'3 and new ZBG (zinc binding group) functions for higher affinity. The synthesis, the evaluation and the selectivity of these various potential inhibitors will be presented
Gogly, Bruno. "Effets des héparinoïdes sur la prolifération fibroblastique, l'expression des métalloprotéinases matricielles et de leurs inhibiteurs." Paris 5, 1997. http://www.theses.fr/1997PA05M087.
Full textBourd-Boittin, Katia. "Rôle des métalloprotéinases matricielles (MMPs) dans l'odontologie." Paris 5, 2005. http://www.theses.fr/2005PA05M001.
Full textThe proteolytic degradation of the ECM components by the matrix metalloproteinases (MMPs) is thought to play a crucial role in odontogenesis. The aim of this thesis was to analyse the expression of several MMPs, namely MMP-2, MMP-9 and MMP-20, as well as of their physiological inhibitors, the TIMP-1 and TIMP-2 during tooth development and study their role in the formation and maturation of dental matrices. The two gelatinases (MMP-2 and MMP-9), enamelysin (MMP-20) and TIMP-1 and -2 have shown a developmentally regulated expression and specific localization within the developing tootth. The role of these MMPs in the processing and mineralization of the dental matrix was further studied in an organotypic culture model of developing mouse tooth germ. The inhibition of the MMPs activity in this model by a broad spectrum synthetic inhibitor, Marimastat, altered dental matrix nucleation and caused severe disruptions of enamel organisation and mineralization. These macroscopic effects was associated with significant modifications at the molecular level. MMP inhibition deregulated the molecular processing of two major dental matrix proteins, amelogenin and dental sialoprotein (DSP), coinciding with their accumulation and the loss of their normal distribution. While the cleavage of amelogenin by MMP-20 has been extensively studied, that of DSP has not been previously described. Our experiments provide evidence that MMP-2 is able to efficiently degrade DSP as well as amelogenin, while under the same conditions, MMP-9 had no effect. Based on the intense expression and large distribution of MMP-2 and its importance in the processing of the dental matrix, we suggest a major role for this enzyme, in association with MMP-20, in the maturation and mineramization of dentin and enamel
Moussa, Amer. "Evaluation et optimisation de la synthèse de substrats de l'élastase de Pseudomonas aeruginosa à l'origine des infections associées aux maladies nosocomiales." Montpellier 2, 2007. http://www.theses.fr/2007MON20016.
Full textRobert, Catherine. "Les inhibiteurs de protéases matricielles dans les cancers bronchiques." Université Joseph Fourier (Grenoble), 1999. http://www.theses.fr/1999GRE19002.
Full textFaucher, Didier. "Inhibiteurs naturels de métalloproteinases : relations structure-activité." Tours, 1988. http://www.theses.fr/1988TOUR3805.
Full textBridoux, Lucie. "Effet de l’inhibiteur tissulaire des métalloprotéinases-1 (TIMP-1) dans les cellules érythroïdes normales et cancéreuses humaines. Caractérisation du récepteur." Reims, 2009. http://theses.univ-reims.fr/exl-doc/GED00001015.pdf.
Full textBesides its ability to inhibit MMP activity, TIMP-1 exhibits other biological functions such as mitogenic and anti-apoptotic effects on various cell lines. We showed that TIMP-1 induced UT-7 erythroid cell survival through activation of the JAK2/PI 3-kinase/Akt pathway. Recently, we showed that TIMP-1 specifically bound to pro-MMP-9 localized at the UT-7 plasmic membrane and that pro-MMP-9 membrane expression is crucial for TIMP-1 anti-apoptotic effect. In a first part, we showed that CD44 anchored pro-MMP-9 at the cell surface and that this protein played a crucial role in TIMP-1 anti-apoptotic effect since CD44 silencing abrogated pro-MMP-9 cell surface localisation and enabled TIMP-1-mediated cell survival. In TIMP-1 anti-apoptotic signalling pathway, JAK2 is the first tyrosin kinase phosphorylated following TIMP-1 stimulation. In a second part, we studied the interaction between CD44 and tyrosin kinase JAK2. We showed that CD44 is associated in a constitutive manner to JAK2 via the JAK2 FERM domain. Other kinases could be implicated in TIMP-1 anti-apoptotic pathway, among them the Src kinases. In a third part, we studied the implication of Lyn Src kinase in TIMP-1 effect. We showed that Lyn played a crucial role in TIMP-1 anti-apoptotic effect upstream the PI 3-kinase
Ogier, Crystel. "Expression et fonctions des Métalloprotéases matricielles (MMPs) et de leurs inhibiteurs tissulaires (TIMPs) au cours de l'ischémie cérébrale et des processus inflammatoires@." Aix-Marseille 2, 2005. http://www.theses.fr/2005AIX20658.
Full textProteolysis is now considered as a mechanism required to achieve precise control of numerous biological processes, including cell death/survival, differentiation, growth, adhesion and migration. Together, Matrix Metalloproteinases (MMPs) and their endogenous inhibitors, the tissue inhibitors of MMPs (TIMPs) are the principal regulators of the pericellular space by regulating the processing of numerous substrates such as extracellular matrix components, cytokines, cell surface molecules and receptors. In the central nervous system (CNS), the expression of MMPs and TIMPs is largely upregulated in pathological processes, but a precise understanding of their roles and mechanisms of action is still elusive. Our objective is to contribute to shed light on the contribution of MMPs and TIMPs to neuropathological processes associating excitotoxicity and inflammation, with a particular focus on astrocytes, which represent the majority of neural cells and the main source of MMPs and TIMPs. We evaluated, in transient global cerebral ischemia, the spatio-temporal regulation of MMP-9 and TIMP-1 expression and changes of net proteolytic activity resulting from MMP/TIMP ratio. We showed for the first time that the upregulation of these parameters were closely associated with the evolution of neuronal death and glial reactivity, suggesting a role of the MMP/TIMP system in the mechanisms of excitotoxicity and inflammation during global ischemia. Following ischemia, TIMP-1 expression was specifically regulated in reactive astrocytes among glial cells. Consequently, we investigated the role of TMP-1 in astrocyte response to pro-inflammatory stimuli. Using TMP-1 deficient mice, we provided evidence that the alteration of the MMP/TIMP balance in astrocytes influenced their reactivity to pro-inflammatory stimuli and that Fas activation modulated the expression of members of the MMP/TIMP axis. We hypothesize that the mutual regulation of the Fas/FasL transduction pathway and the MMP/TIMP system is an instrument used by astrocytes to modulate their inflammatory response to environmental stimuli. Astrocytes being the main neural source of MMPs, and the latter being instrumental for cell motility, we investigated the implication of MMPS in astrocyte migration, an important feature in both developmental and pathological situations. We provided the first evidence of the implication of MMP-2 in astrocyte motility probably through its interaction with the actin cytoskeleton, where ß1-integrin could play a role of linker between pericellular proteolysis and the intracellular cross-link proteins. Together, theses data reinforce the idea that MMPs and TIMPs play an important role in the physiopathology of the CNS
Flores-Delgado, Guillermo. "Intéractions cellules endothéliales-plaquettes et activation de protéinases neutres : contribution à l'étude et à l'utilisation d'un inhibiteur d'une thiol-métalloprotéinase (EC 3.4.24.15)." Paris 12, 1992. http://www.theses.fr/1992PA120070.
Full textGraesslin, Olivier. "Etude de l'expression des matrix-métalloprotéases (MMP-2, -7 et -9), des inhibiteurs tissulaires des métalloprotéases (TIMP-1 et -2), des facteurs apoptotiques (P53 et Bcl-2) et des recepteurs hormonaux (RE et RP) dans les cancers et les hyperplasies de l'endomètre par comparaison à l'endomètre sain : étude de la ploïdie et recherche des anomalies cytogénétiques par FISH : évaluation de l'implication de ces facteurs dans le processus de carcinogenèse endométriale et de leur intérêt pronostic." Paris 6, 2008. https://tel.archives-ouvertes.fr/tel-00811965.
Full textBooks on the topic "Métalloprotéinases – Inhibiteurs"
(Editor), Robert A. Greenwald, Stanley Zucker (Editor), and Lorne M. Golub (Editor), eds. Inhibition of Matrix Metalloproteinases: Therapeutic Applications (Annals of the New York Academy of Sciences). New York Academy of Sciences, 1999.
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