Dissertations / Theses on the topic 'Héparines de bas poids moléculaire'
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Wuhrlin, Odile. "Les héparines de bas poids moléculaire." Paris 5, 1989. http://www.theses.fr/1989PA05P039.
Full textPoulichot, Sylvaine. "Thrombopénies aux héparines de bas poids moléculaire." Paris 5, 1990. http://www.theses.fr/1990PA05P091.
Full textBenaloul, Nathalie. "Les héparines de bas poids moléculaire : données pharmacologiques et approche thérapeutique." Paris 5, 1991. http://www.theses.fr/1991PA05P128.
Full textMuller, Martine. "Les héparines de bas poids moléculaire : la Fraxiparine R (Laboratoires Choay)." Strasbourg 1, 1986. http://www.theses.fr/1986STR10649.
Full textDuval, Dominique. "Fragment héparinique de bas poids moléculaire : biodisponibilité et pharmacologie percutanée." Paris 11, 1986. http://www.theses.fr/1986PA114813.
Full textCoignard, Brigitte. "Héparines de bas poids moléculaire : de leurs caractéristiques chimiques, pharmacocinétiques, biologiques, à leurs utilisations thérapeutiques." Paris 5, 1992. http://www.theses.fr/1992PA05P116.
Full textHoffart, Valérie. "Applications de l'encapsulation à une forme orale d'héparine de bas poids moléculaire et à l'immunoépuration plasmatique." Nancy 1, 2002. http://www.theses.fr/2002NAN12508.
Full textGuinier, Marie-Claude. "Surveillance clinique et biologique du traitement curatif par 2 héparines de bas poids moléculaire en ophtalmologie et en dermatologie." Bordeaux 2, 1988. http://www.theses.fr/1988BOR2P124.
Full textElbaz, Benjamin. "Glycosaminoglycanes à visée antithrombotique héparines de bas poids moléculaires-dermatan sulfate structure-préparation- mécanismes d'action." Paris 5, 1991. http://www.theses.fr/1991PA05P027.
Full textGourvil, Anne. "Projet de développement préclinique d'un pentasaccharide synthétique fictif dérivé des héparines." Paris 5, 1996. http://www.theses.fr/1996PA05P207.
Full textLaubier, Marie-François. "Etude rétrospective et exhaustive de l'utilisation des héparines de bas poids moléculaire dans le traitement préventif des thromboses veineuses profondes dans un service de médecine interne gériatrique du 1er janvier au 31 mai 1993." Bordeaux 2, 1994. http://www.theses.fr/1994BOR2M052.
Full textCastano, Joëlle. "Utilisation d'une héparine de bas poids moléculaire : la fraxiparine dans le traitement des ulcères de jambe par microangiopathie et des thrombophlébites veineuses superficielles." Bordeaux 2, 1989. http://www.theses.fr/1989BOR25314.
Full textBouvaist, Odile, and Jean-Claude Caput. "Utilisation d'une héparine de bas poids moléculaire "Enoxaparine" dans les thromboses lors de microréimplantations totales ou sub-totales : à propos de douze observations." Bordeaux 2, 1991. http://www.theses.fr/1991BOR2M012.
Full textPautas, Eric. "Spécificités gériatriques des traitements anticoagulants par les antivitamine K et les héparines de bas poids moléculaire : études pharmaco-cliniques chez le sujet âgé." Paris 5, 2008. http://www.theses.fr/2008PA05P611.
Full textPharmacologic issues of anticoagulant treatments in elderly patients may explain the specific clinical management in Geriatrics. This work reports clinical studies conducted specifically in elderly patients treated with LMWH or VKA. The first part concerns mainly the development and the multicentric validation of a warfarin induction regimen specifically designed for elderly patients. The influence of pharmacogenetic and environmental factors on the anticoagulant response to warfarin in elderly patients are discussed in original articles or reviews that we published. The second part concerns LMWH. The main issue with their use in this population arises from the age-related renal failure. Since LMWH are mainly excreted by the kidney, there is a risk of accumulation of the drug in elderly patients. Studies assessing the accumulation of LMWH in elderly patients are reported. Finally, the clinical relevance of our pharmacologic data is discussed
Magdeleine, Nadine. "Evolution des sténoses coronariennes après fibrinolyse des infarctus du myocarde sous traitement par héparine de bas poids moléculaire comparé à l'héparine non fractionnée." Bordeaux 2, 1995. http://www.theses.fr/1995BOR23100.
Full textJavot, Lucie. "Etude in vitro et in vivo de deux héparines de bas poids moléculaire microencapsulées de rapports anti-Xa/anti-IIa différents : la nadroparine et la tinzaparine." Thesis, Nancy 1, 2009. http://www.theses.fr/2009NAN10093/document.
Full textMicroparticles of low molecular weight heparin (LMWH) were prepared according to the double emulsion and extraction method using a non biodegradable polycationic polymer (Eudragit® RS) alone or blended according to different ratios with a biodegradable polymer (poly(lactic-co-glycolic) acid). Two LMWH presenting different anti-Xa/anti-IIa ratios were tested: nadroparin (3.6) and tinzaparin (1.8). LMWH microparticles facilitate i) the encapsulation of heparin active long chains (ACL) compared to active short chains (BCL) (anti-Xa/anti-IIa ratio decreased) ii) the in vitro release of short chains (anti-Xa/anti-IIa ratio increased) whereas long chains are held inside the microparticles. Nevertheless, when compared to ACL chains, the relative amount of BCL chains released is dependent (case of nadroparine) or not (case of tinzaparin) on the polymeric composition. This difference can be mainly due to the properties of Eudragit® RS to hold ACL chains of nadroparin. After an oral administration in rabbits of nadroparin microparticles, some formulations exhibited absorption of ACL and BCL chains: in this case, plasmatic anti-Xa/anti-IIa ratios in the same range than those observed following the subcutaneous injection were obtained. Such a result shows the potential of microparticles to be a good substitute of the commercial injectable dosage form, if the oral absorption is confirmed in human. During gastro-intestinal studies by confocal microscopy, the absorption site was not identified. Nevertheless, contrary to in vivo results, permeation studies on a cell cultured epithelium (Caco-2) demonstrated that BCL heparin chains were absorbed whereas ACL chains were not. However, the mechanism responsible of the cell permeation is still to be identified
Albouy, Frédérique. "Principaux facteurs de risque de thromboses veineuses profondes en médecine. Consensus thérapeutiques pour la prophylaxie de ces thromboses. Enquêtes hospitalières auprès des médecins." Paris 5, 1995. http://www.theses.fr/1995PA05P245.
Full textDesroys, du Roure François. "Influence de la concentration en chlorure de sodium sur l'inhibition de la thrombine par l'antithrombine III en présence d'héparine standard et de trois héparines de bas poids moléculaire." Paris 5, 1993. http://www.theses.fr/1993PA05P010.
Full textMuller, Laurence. "Dispensation automatisée des médicaments dans les services de soins : mise en place d'un automate." Paris 5, 1996. http://www.theses.fr/1996PA05P206.
Full textAuzi, Geneviève. "Mise en place d'un protocole de prévention des thromboses veineuses profondes chez la personne âgée." Bordeaux 2, 1995. http://www.theses.fr/1995BOR2P057.
Full textProumen, Gérard. "Evaluation d'une héparine de bas poids moléculaire : l'enoxaparine dans la prévention de la maladie thrombo-embolique lors de la chirurgie de la hanche : étude rétrospective à partir de 237 observations." Montpellier 1, 1990. http://www.theses.fr/1990MON11056.
Full textAchour, Oussama. "Aide au ciblage du microenvironnement tumoral par le développement d’un nano-système de détection et de traitement des tumeurs avec inhibition ciblée de l’héparanase." Thesis, La Rochelle, 2014. http://www.theses.fr/2014LAROS012/document.
Full textTumor microenvironment is characterized by several particularities such as hypoxia, extracellular media acidification and the hyper-secretion of hydrolytic enzymes. These hydrolases, such as cathepsin D and heparanase, are involved in many steps of tumor progression like angiogenesis. This thesis is a part of a project that aims to develop a "smart" molecular nano-object that specifically reacts to hyper-secreted enzymes in the tumor microenvironment for the simultaneous detection and targeting of tumor. The first part of our work concerned the design and the validation of a peptide that is sensitive to active forms of cathepsin D which is a protease, unregulated in many tumors microenvironment such as breast cancers. This objective has been achieved following the kinetic study of the hydrolysis of 5 peptides by mature cathepsin D and procathepsin D in the pH conditions of the tumor microenvironment. On the other hand, we studied the effect of hypoxia and the acidification of the extracellular medium on the secretion of active forms of cathepsin D by the breast cancer cell line MCF-7. In a second part, we worked on the development of low molecular weight heparins that may provide therapeutic function of the molecular object through their anti-angiogenic activity. We have developed an innovative method for the depolymerization of heparin that consists on a radical hydrogen peroxide hydrolysis assisted by ultrasound. This technique allows the production of heparins oligosaccharides characterized by controlled molecular weight and degree of sulfatation. Depending on the depolymerization conditions by this technique, the produced low molecular weight heparins can be used as an anticoagulant or anti-angiogenic
Fouques, Pascale. "Etude ouverte de l'enoxaparine par voie sous cutanée dans le traitement des thromboses veineuses profondes constituées des membres inférieurs : à propos de 50 cas." Bordeaux 2, 1989. http://www.theses.fr/1989BOR23078.
Full textGuigonis, Véronique. "Effets comparés sur la coagulation de l'albumine et d'un amidon de bas poids moléculaire en chirurgie prothétique de hanche." Paris 7, 1992. http://www.theses.fr/1992PA072105.
Full textUrbain, Laurence. "Comparaison de l'efficacité thérapeutique des différents types d'héparine dans le traitement de la maladie thromboembolique : définitions et application d'un consensus d'utilisation." Paris 5, 1995. http://www.theses.fr/1995PA05P101.
Full textKrassoulia, Alexandre Michel. "Thrombopénie au cours d'un traitement par Nadroparine et Furosémide." Bordeaux 2, 1993. http://www.theses.fr/1993BOR2M035.
Full textZhang, Xu. "Etude de complexes protéine-protéine impliquant la chaperone de bas poids moléculaire HSP 27 : Implications dans le cancer de la prostate." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4031/document.
Full textProstate Cancer (PCa) is one of most common malignancies, being the second leading cause among cancer-related death. Additional therapeutic strategies targeting molecular mechanisms mediating resistance must be developed because of the defects of docetaxel-based treatments. One strategy to improve therapies in advanced PCa involves targeting genes that are activated by androgen withdrawal, either to delay or prevent the emergence of the CR phenotype. The purpose of my thesis is to identify & develop small molecules inhibitors targeting PPIs involved in prostate cancer. we focuses on 2 crucial prostate cancer related proteins, namely, the small molecular weight Heat shock protein 27 (Hsp27) and the Translationally Controlled Tumor Protein (TCTP). We have validated 2 compounds targeting TCTP by using a "PPI Inhibitor-like" dedicated chemical library. Functional tests are now being developed to evaluate the capacity of such molecules to be proposed as potential compounds against prostate cancer
Haddad, Oualid. "Etude des effets pro-angiogéniques du fucoïdane de bas poids moléculaire : implication des syndécannes et des enzymes impliquées dans la biosynthése et la dégradation des héparanes sulfates." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCD078.
Full textInduction of angiogenesis is a potential treatment for chronic ischemia. In this study we propose the analysis of pro-angiogenic treatment with fucoidan, sulfated polysaccharide from brown seaweeds, which act as glycosaminoglycans mimetics. Herein we used the low molecular weight fucoidan (LMWF), which presents a good affinity for pro-angiogenic factors(VEGF, SDF-1/CXCL12). The LMWF was mainly internalized through human vascular endothelial cell (HUVEC) clathrin-dependent endocytosis (in 2h) in which GAGs were partially involved. Our results showed that LMWF induced migration and angiogenesis in HUVEC. Interestingly, in a GAG-free HUVECs model, LMWF still kept a pro-angiogenic potential. In addition, we reported the implication of two heparan sulfate (HS) metabolism enzymes, exostosin-2 (EXT2) and heparanase (HPSE), and syndecan-4 (SDC-4) in LMWF induced angiogenesis. LMWF-treated and EXT2- or HPSE-siRNA-transfected cells shows that EXT2 or HPSE expression significantly affects the LMWF pro-angiogenic potential. In addition, LMWF increased SDC-1, but decreased SDC-4 expression. We studied the LMWF implication in SDC-1 and SDC-4 expression in rat model of intimal hyperplasia after balloon injury. Our results showed that LMWF treatment of injured artery increased SDC-1 expression, but decreased SDC-4 expression in the neointima layer. Our data indicate that EXT2, HPSE, and SDC-4 are involved in the pro-angiogenic effects of LMWF, suggesting that the HS metabolism changes linked to LMWF-induced angiogenesis offer the opportunity for new therapeutic approach for ischemic diseases treatment
Bouguéon, Guillaume. "Formulation de nanosystèmes biocompatibles pour l’ingénierie tissulaire par impression 3D (bioprinting)." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0006.
Full text3D bioprinting is an emerging field of tissue engineering, that aims at faithfully reproducing the complex microarchitecture of tissues and organs. Despite a wide range of biomaterials used in bioink formulation, it is essential to find an alternative to the natural and synthetic biomaterials conventionally used, mimicking extracellular matrix and presenting printing capabilities jointly.The present work demonstrated for the first time, the ability of the bioinspired nucleolipid molecule diC16dT to formulate an extrusion bioprinting ink. The ink formulated in cell culture medium showed rheological properties allowing its continuous printability. It was also possible to incorporate gingival fibroblasts while maintaining the cell viability within bioconstructions. This ink also offered several adaptation possibilities, especially in terms of diC16dT concentration and cell culture medium to meet other cellular types requirements. Finally, the preliminary work showed the feasibility of the incorporation of liposomes into the ink formulation without affecting its printing capabilities. Thus, it would possible to further consider the delivery of active substances or nutrients within the bioconstructions. This application has to the best of our knowledge not been developed yet for liposomes
Harrak, Hind. "Évaluation de la sécurité des héparines de bas poids moléculaire en hémodialyse au Québec : une étude de cohorte rétrospective." Thèse, 2017. http://hdl.handle.net/1866/20271.
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