Academic literature on the topic 'Inhibiteurs de phosphodiestérase de type 5'
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Journal articles on the topic "Inhibiteurs de phosphodiestérase de type 5"
De waard, A., M. Scafi, D. Bagneres, T. Bouquet, D. Ferrieux, A. Poulet, and P. Rossi. "Infarctus splénique sous inhibiteurs de phosphodiestérase de type 5 : à propos de deux cas." La Revue de Médecine Interne 40 (June 2019): A194. http://dx.doi.org/10.1016/j.revmed.2019.03.271.
Full textCaremel, R., E. Laccarier, and L. Sibert. "Les inhibiteurs de la phosphodiestérase de type 5 : une révolution dans le traitement des symptômes du bas appareil urinaire?" Basic and Clinical Andrology 22, no. 2 (May 17, 2012): 80–91. http://dx.doi.org/10.1007/s12610-012-0172-5.
Full textMazzola, C., A. Müller, R. Tal, and J. Mulhall. "Les injections intracaverneuses peuvent-elles sauver les échecs des traitements oraux par inhibiteurs de la phosphodiestérase de type 5 ?" Progrès en Urologie 25, no. 13 (November 2015): 814. http://dx.doi.org/10.1016/j.purol.2015.08.196.
Full textGiuliano, F., M. Rouprêt, G. Doridot, and A. de la Taille. "Effets des inhibiteurs de la phosphodiestérase de type 5 sur les symptômes du bas appareil urinaire associés à une hypertrophie bénigne de la prostate." Progrès en Urologie 23, no. 5 (April 2013): 283–95. http://dx.doi.org/10.1016/j.purol.2012.11.009.
Full textAllanore, Yannick. "Intérêt thérapeutique d’un inhibiteur de la phosphodiestérase de type 5 et d’un antagoniste sélectif des récepteurs de l’endothéline A." La Revue de Médecine Interne 31, no. 1 (June 2010): 6–7. http://dx.doi.org/10.1016/s0248-8663(10)70003-5.
Full textMargelidon-Cozzolino, V., S. Hodin, X. Delavenne, and L. Bertoletti. "Étude des interactions médicamenteuses entre anticoagulants oraux directs et inhibiteurs de la phosphodiestérase de type-5 : y-a-t-il un risque pour les patients atteints d’hypertension artérielle pulmonaire ?" Revue des Maladies Respiratoires 35 (January 2018): A148—A149. http://dx.doi.org/10.1016/j.rmr.2017.10.326.
Full textCaremel, R., S. Oger-Roussel, D. Behr-Roussel, P. Grise, and F. Giuliano. "Traitement des troubles du bas appareil urinaire liés à une hyperplasie bénigne de prostate par inhibiteur de la phosphodiestérase de type 5." Progrès en Urologie 20, no. 9 (October 2010): 616–26. http://dx.doi.org/10.1016/j.purol.2010.07.015.
Full textFaure, Sébastien. "Inhibiteurs de la phosphodiestérase 5." Actualités Pharmaceutiques 52, no. 530 (November 2013): 51–54. http://dx.doi.org/10.1016/j.actpha.2013.09.012.
Full textTostain, J. "Inhibiteurs de la 5-phosphodiestérase et risque cardiovasculaire." Progrès en Urologie 18, no. 13 (December 2008): 1091–92. http://dx.doi.org/10.1016/j.purol.2008.09.060.
Full textCalvet, Cyril, Karin Martin, Grégoire Robert, Nicholas Moore, Pirayeh Eftekhari, Houssam Farghal, Mathieu Molimard, and Philippe Ballanger. "Traitement de la dysfonction érectile par les inhibiteurs de la phosphodiestérase-5 et troubles oculaires par neuropathie optique ischémique antérieure non artéritique (NOIAN)." Progrès en Urologie 17, no. 5 (September 2007): 920–27. http://dx.doi.org/10.1016/s1166-7087(07)92389-1.
Full textDissertations / Theses on the topic "Inhibiteurs de phosphodiestérase de type 5"
Forcellini, Elsa. "Conception, synthèse et évaluation de l'activité biologique d'inhibiteurs d'une ectonucléotide pyrophosphatase/phosphodiestérase de type 1 (NPP1)." Doctoral thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27356.
Full textCalcific aortic valve disease (CAVD) is one of the most important types of cardiovascular diseases in industrialized countries. In particular, CAVD is the most common heart valve disorder in the United States and Western Europe. So far, there are no therapeutic agents available to cure or prevent progression of aortic valve mineralization and valve replacements are performed only when the disease stage is advanced. Extracellular inorganic pyrophosphate (PPi) acting as an inhibitor of calcification is a key factor in the calcification process. Therefore, PPi levels must be maintained at certain concentration which control calcium deposits in tissues in order to avoid pathological mineralization. Recent studies from Mathieu group (Faculty of medicine, U. Laval) have shown that an enzyme which regulates PPi levels was involved in CAVD. Indeed, an increase of the ectonucleotide pyrophosphatase/phosphodiesterase 1 (NPP1) enzymatic activity promotes mineralization process in the aortic valve. Therefore, NPP1 inhibition represents a major challenge in drug development, hence the origin of my research project for the design and the synthesis of NPP1 inhibitors. In this thesis, a library of compounds has been developed. First, literature was very helpful for choosing a lead compound. Then, structure diversification of this compound supported by molecular modelling and biological results allowed us to establish a structure-activity relationship for NPP1 inhibition. Among the synthesized inhibitors, it will be possible to realize an in vivo study for one of them in order to evaluate its therapeutic potential.
Lefebvre, Carole-Anne. "Design et synthèse d'inhibiteurs d'une ectonucléotide pyrophosphatase/phosphodiestérase de type 1 (ENPP1) et leur activité anticancéreuse." Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27228.
Full textThe calcification of the aortic valve (CAV) is a cardiovascular disease increasingly widespread, particularly in North America. It causes narrowing of the aortic valve and currently available only treatment is surgical replacement. Studies by Dr. Patrick Mathieu (Institute of Cardiology and Pneumology of Quebec) showed that overexpression of an ectonucleotide pyrophosphatase/phosphodiesterase type 1 (ENPP1) is the origin of the stenosis. A solution to this disease would be to find an inhibitor of ENPP1. Inspired by Pfizer’s group works on ENPP1 for the treatment of osteoarthritis and chondrocalcinosis, some members of the quinazoline-4-piperidine sulfonamides (QPS) inhibitor family were synthesized and tested in vitro. A study in molecular modelling on the potential binding site inhibitor on ENPP1 is underway in collaboration with Prof. Patrick Lagüe (Université Laval, Department of biochemistry, microbiology and bioinformatics) and his team to optimize the design of compounds structure. The compounds of one family, the QPS-pyrimidine, were tested in vitro on some cancer cell lines (HT-1080, HT-29, M21 and MCF-7) to measure their antiproliferative activity. These compounds have a median growth inhibition (GI50) in the micromolar range and thus represent an interesting starting point for the development of new cancer treatments.
Jacob, Claire. "Régulation du stress oxydant par les phosphodiestérases de type 4 : implication des MAP kinases." Rennes 1, 2003. http://www.theses.fr/2003REN1B069.
Full textMaltais, René. "Synthèse de dérivés de l'estrone comme inhibiteurs de la stéryl sulfatase et de la 17ß-hydroxystéroïde déshydrogénase type 5." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq33708.pdf.
Full textVezzosi, Delphine. "Altérations de la voie de l'AMPc dans la tumorigénèse cortico-surrénalienne : étude des phosphodiestérases PDE11A et PDE8B." Thesis, Paris 5, 2012. http://www.theses.fr/2012PA05T052/document.
Full textPas de résumé en anglais
Mariano, Sandrine. "Recherche de l'activité d-allose-6-phosphate isomérase chez les ribose-5-phosphate isomérases de type B : synthèse et évaluations enzymatiques de nouveaux inhibiteurs et études cristallographiques." Paris 11, 2008. http://www.theses.fr/2008PA112268.
Full textRibose-5-phosphate isomerase (Rpi, EC 5. 3. 1. 6), an aldose-ketose isomerase involved in the pentose phosphate pathway, catalyzes the reversible isomerization reaction between D-ribose 5-phosphate (R5P) and D-ribulose 5-phosphate (Ru5P). The reaction is thought to proceed through a proton transfer mechanism and to involve a 1,2-cis-enediolate high-energy intermediate. Two unrelated types of enzyme are known to catalyse the isomerization. The most common one, RpiA, is present in almost all organisms like humans and spinach. The second type, RpiB, is found in many bacterial species, like Mycobacterium tuberculosis and Escherichia coli, and is expected to have an allose-6-phosphate isomerase activity (Allpi) in addition to the Rpi activity. The Allpi activity catalyzes the reversible isomerization reaction between D-allose 6-phosphate (All6P) and D-allulose 6-phosphate (Allu6P). This postulated particularity of RpiBs makes them potentially interesting therapeutic targets, particularly for the development of new antibiotics against tuberculosis. Preliminary inhibition assays targeting this second specific activity of RpiBs have proved encouraging
Burgos, Emmanuel. "Synthèse et évaluations enzymatiques de nouveaux inhibiteurs des ribose-5-phosphate isomérases de type A et B : étude cristallographique de complexes enzyme-inhibiteur chez Mycobacterium tuberculosis et implications mécanistiques." Paris 11, 2004. http://www.theses.fr/2004PA112088.
Full textRIBOSE-5-PHOSPHATE ISOMERASES (RPI A AND B) ARE ENZYMES CATALYSING THE REVERSIBLE CONVERSION BETWEEN RIBOSE 5-PHOSPHATE AND RIBULOSE 5-PHOSPHATE. THEY ARE INVOLVED IN DIFFERENT METABOLIC PATHWAYS SUCH AS PENTOSE PHOSPHATE WAY OR CALVIN CYCLE. . . THE SUPPOSED REACTION MECHANISM IS THOUGHT TO INVOLVED A HIGH ENERGY INTERMEDIATE (HEl) OF 1 ,2-CIS-ENEDIOL(ATE) TYPE. THE SYNTHESIS OF NEW COMPETITIVE INHIBITORS OF RPI HAVE BEEN REALISED USING PROTECTION/DEPROTECTION STRATEGIES STARTING FROM D-ARABINOSE. THE EFFECTS OF THESE COMPOUNDS ON SPINACH RPIA, IN COMPARISON WITH MYCOBACTERIUM TUBERCULOSIS AND TRYPANOSOMA CRUZI RPIB, WERE CARRIED OUT. 4-DEOXY-4-PHOSPHO-D-ÉRYTHRONOHYDROXAMIC ACID (4PEH) APPEARS TO BE AS POTENT AS 4-DEOXY-4-PHOSPHO-D-ÉRYTHRONIC ACID (4PEA) ON RPIA AND AS THE MOST POTENT INHIBITOR EVER EVALUATED ON RPIB. 4-DEOXY-4-PHOSPHONOMETHYL-D-ÉRYTHRONIC ACID (4PMEA) IS THE FIRST HYDROLYTICALLY STABLE AND POTENT INHIBITOR EVER DESCRIBED FOR RPI. THE RESULTS OBTAINED STRONGLY SUPPORT THE IDEA THAT THE ENZYME MECHANISM INVQLVES AN ANIONIC HEI: 1,2-CIS-ENEDIOLATE. THE 3-D STRUCTURES RESOLVED AT 2. 1 AND 2. 2 A OF RPIB FROM MYCOBACTERIUM TUBERCULOSIS COMPLEXED RESPECTIVELY WITH 4PEH ET 4PEA ARE DESCRIBED. THESE PERMIT TO DRAW CONCLUSIONS ABOUT DETAILS OF THE CATALYTIC MECHANISM : GLU75 SEEMS TO BE THE CATALYTIC BASE INVOLVED IN PROTON TRANSFERT BETWEEN CARBON ATOMS C1 AND C2, AND SER71 IS WELL LOCATED TO ENSURE PROTON TRANSFERT BETWEEN OXYGEN ATOMES O1 AND O2
Moniot, Aurélie. "Etude des effets anti-inflammatoires et anti-cancéreux de nouvelles molécules agrosourcées à motif pyridazinone Synthesis and biological evaluation of pyridazinone derivatives as potential antiinflammatory agents Osteoinductive Material to Fine-Tune Paracrine Crosstalk of Mesenchymal Stem Cells With Endothelial Cells and Osteoblasts." Thesis, Reims, 2020. http://www.theses.fr/2020REIMS022.
Full textOsteosarcoma is a rare primary bone cancer for which current therapeutic approaches are unfortunately insufficient to provide a total cure. So the need for new molecules development is constant. In addition, after tumor excision, bone defect may require materials to fill and support bone rebuilding. The inflammatory potential of such materials is well documented. Phosphodiesterase type 4 inhibitors, including pyridazinone-scaffold based molecules, have already proven themselves as anti-cancer and anti-inflammatory agents in a number of in vitro models. The goal of this work was to assess the anti-cancer and anti-inflammatory effects of new pyridazinone-scaffold based molecules derived from agrosourced precursors. Anti-inflammatory effects have been assessed on cytokine production, migratory potential and the phagocytic abilities of human primary neutrophils in vitro and in an in vivo model of inflammation in mice. These molecules have also shown their therapeutic potential in in vitro osteosarcoma models where they decreased cell proliferation and migration while inducing apoptosis in cancer cells. In vivo, these molecules were able to decrease tumor growth and maintain mineral bone quality. These results indicated that new pyridazinone scaffold-based molecules might be integrated into a multi-therapy, both for their anti-cancer and anti-inflammatory therapeutic potential
Guiard, Bruno. "Rôle de la substance P et du brain-derived neurotrophic factor dans le mécanisme d'action des antidepresseurs sérotoninergiques." Paris 11, 2005. http://www.theses.fr/2005PA114814.
Full textSP and BDNF would be involved in the mechanism of action of the antidepressants: SSRI. By using intracerebral microdialysis in mice, we evaluated their effects on [5-HT]ext. Thus, the activation of NK1 receptors by exogenous SP, decreased cortical [5-HT]ext through the stimulation of an inhibitory feedback exerted by 5-HT1A autoreceptors. Interestingly, NK1 receptor antagonists enhanced the effects of SSRI on cortical [5-HT]ext by preventing this negative control on 5-HT neurons. The genetic inactivation of BDNF levels in BDNF +/- mice, reduced the density of 5-HT transporter in the hippocampus which concured to increase local [5-HT]ext. Moreover, the partial loss of BDNF inhibited the neuochemical activity of SSRI. Although is it still unclear whether or not an excess of SP and/or a reduction and BDNF, limits the therapeutic activity of SSRI, our experimental data highlighted the interest to act on various pharmacological targets in the treatment of mood disorders in Human
Lebel, Philippe. "Développement de méthodes de dépistage des médicaments de contrefaçon et des produits adultérés par LC-MS/MS." Thèse, 2014. http://hdl.handle.net/1866/11910.
Full textThis master’s project involved the development and optimization of two rapid liquid chromatography tandem mass spectrometry (LC-MS/MS) methods. The objective of the first project was to simultaneously separate, as rapidly as possible, 71 erectile dysfunction (ED) treatment drugs and 11 natural ingredients sometimes found alongside ED drugs present in suspected adulterated or counterfeit samples. The objective of the second project was to develop a screening method allowing rapid, simultaneous analysis of 24 synthetic and natural cannabinoids for a wide variety of samples such as herbal smoking mixtures, incense sticks, serums and Cannabis plant material. In both projects, the separations were achieved in ≤ 10 min using 2.6 µm fused-core C18 particles packed into a 100 x 2.1 mm column coupled to an LTQ Orbitrap XL mass spectrometer operated in positive electrospray mode. Because of the very high number of compounds in both methods and the knowledge that future analogues are always immerging on the market that could thus be present in samples, a targeted/untargeted LC-MS/MS screening method was developed. For both projects, detection limits were in the sub ng/mL range and intra- and inter-assay precisions were below 10.5%. Recovery from real samples ranged from 92 to 111%. The innovation of the developed LC-MS/MS methods is that the full scan event in the MS acquisition provides accurate masses for all detected species and thus allows post-analysis identification of initially untargeted compounds, i.e., the immerging analogues. This innovation adds an additional dimension to traditional MS/MS methods, allowing high mass resolution of untargeted compounds.
Book chapters on the topic "Inhibiteurs de phosphodiestérase de type 5"
Alexandre, J., A. Balian, L. Bensoussan, A. Chaïb, G. Gridel, K. Kinugawa, F. Lamazou, et al. "Inhibiteurs de la phosphodiestérase de type 5 (PDE5)." In Le tout en un révisions IFSI, 1809. Elsevier, 2009. http://dx.doi.org/10.1016/b978-2-294-70633-2.50647-8.
Full text"Inhibiteurs de la phosphodiestérase de type 5 (PDE5)." In Méga Guide STAGES IFSI, 2004. Elsevier, 2015. http://dx.doi.org/10.1016/b978-2-294-74529-4.00671-6.
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