Teses / dissertações sobre o tema "Armoises – Emploi en thérapeutique"
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Bunel, Stéphanie. "Paludisme et artémisinine : propriétés pharmacocinétiques". Bordeaux 2, 1999. http://www.theses.fr/1999BOR2P077.
Texto completo da fonteAshraf, Kutub. "A comprehensive study of the antiplasmodial effects of Artemisia spp. infusions against multiple parasite developmental stages including hypnozoite". Electronic Thesis or Diss., Sorbonne université, 2021. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2021SORUS188.pdf.
Texto completo da fonteMy PhD thesis entitled ‘A comprehensive study of the antiplasmodial effects of Artemisia spp. infusions against multiple parasite developmental stages including hypnozoite’. The dormant liver resident parasite is called hypnozoite which can linger for weeks to months, and then relapse to cause recurrent blood stage infection. This hypnozoite reservoir is one of the critical barriers towards malaria eradication, mainly due to the lack of mass medication with a drug that can clear the hypnozoites in the liver. There is a dire need for the development of new hypnozoite-killing drugs but phenotypic screens are hindered by a lack of in vitroculture platforms. Under conventional culture conditions, hypnozoite cultures are often contaminated. This effect partially arises from infection with unpurified sporozoites that adversely affect the hepatocytes culture. Addressing this issue, in chapter 1, firstly I focused on the development of a short protocol with an antimicrobial cocktail, methyl paraben and penicillin streptomycin in a supplementation with sucrose solution that ensure yeast free sporozoite production in the salivary glands. In chapter 2, I tried to describe the research objectives, methodology and findings of the experiments. After developing a robust culture strategy, I moved on drug screening against the hypnozoite stage. We selected two Artemisia sp. A. annuaandA. afra. Aqueousinfusions prepared from them and were tested against the hepatic stage of all Plasmodiumsp. The reasoning behind these plant selections have been described in detail in this manuscript. I found a strong antimalarial activity of Artemisia infusions that blocked the relpase causing hypnozoite formation and cleared the liver parasites. In chapter 3, I described the effect in more detail. We believe that this profound inhibitory activity of Artemisia infusion is partially mediated by the disruption of the biogenesis of apicoplast and mitochondria. In chapter 4, I showed various confocal images of apicoplast disruption and quantitative PCR data of apicoplast DNA confirm our observation. Drug resistance to P. falciparum is a growing problem in Southeast Asia. New drugs are required to solve the problem. In chapter 5, I described in vitro activity of Artemisia infusions against the drug resistant P. falciparum isolates. It can be noted that the in vitroantimalarial effect that I observed in the liver and blood stage of Plasmodium was not artemisinin dependent asA. afracontains negligible amount of artemisinin but showed potent inhibitory activity.This is the first indication that compounds other than 8 aminoquinolines and artemisinin could be effective against the relapsing malaria and overcome the antimlarail drug resistance
Cissokho, Sophie. "Emploi de l'interleukine-2 en thérapeutique humaine". Paris 5, 1993. http://www.theses.fr/1993PA05P003.
Texto completo da fontePham, Van Cuong. "Acylphénols de Myristica maingayi et M. Gigantea (Myristicaceae) : Alcaloïdes de Myrioneuron nutans (Rubiaceae) : Structure - Synthèse - Bioactivité". Paris, Muséum national d'histoire naturelle, 2003. http://www.theses.fr/2003MNHN0010.
Texto completo da fonteThe purpose was the research for cytotoxic and/or antimalarial compounds from three plants of South-East Asia, Myristica maingayi, M. Gigantea (Myristicaceae) and Myrioneuron nutans (Rubiaceae) screened for the cytotoxicity of their extracts against KB cells and their antiplamodial activity. Their structures were determined by spectral analysis, including mass spectrometry and 2D NMR, and were confirmed by semisynthesis and/or total synthesis. From the EtOAc extract of the M. Maingayi and M. Gigantea fruits, eight new compounds were isolated together with the previously described malabaricones A-C. The structures of giganteones A and B suggested that they were biosynthesized from two units of malabaricone C. They were synthesized by enzymatic coupling of malabaricone C. From the CH2Cl2 extract of the leaves of Myrioneuron nutans, ten new alkaloids were isolated, together with schoberine. These alkaloids, forming a new family named "Myrioneuron alkaloids", have different ring junctions and form four novel alkaloid skeletons : tricyclic oxazines : myrioxazines A and B, - tetracyclic oxazine : myrioneurinol, - tricyclic cis-decahydroquinoline derivatives: myrionine, (E) and (Z)-N-formylmyrionines, hexacyclic cis-decahydroquinoline derivative : myrobotinol. The absolute configurations were established and the total stereospecific synthesis of the tri- and tetra-cyclic alkaloids was performed. The N-in form of the cis-decahydroquinoline ring system was observed in the crystal structure of myrionine hydrochloride and the N-out form in that of its hydroiodide. The relative stability of the conformers of some 9-a et 9-b-alkyl alkyl-cis-decahydroquinolines was examined by NMR and confirmed by theoretical energy calculations. Myrionidine, its enantiomer and epimers, and the two diastereoisomers R-MTPA and S-MTPA-myrobotinols had the strongest activity in the cytotoxic and antimalarial bioassays
Fleury, Nathalie. "Les sangsues : intérêt thérapeutique". Paris 5, 1991. http://www.theses.fr/1991PA05P037.
Texto completo da fonteBlandeau, Jérôme. "Le cannabis et son usage thérapeutique". Bordeaux 2, 1999. http://www.theses.fr/1999BOR2P089.
Texto completo da fonteGarcía, Pérez Martha Estrella. "Analyse des effets pharmacologiques d'extraits polyphénoliques issus d'essences canadiennes pour le traitement du psoriasis". Doctoral thesis, Université Laval, 2012. http://hdl.handle.net/20.500.11794/24229.
Texto completo da fontePsoriasis is an incurable skin disorder characterized by an important inflammation. Clinically approved antipsoriatic treatments present many undesirable effects, therefore it has been estimated that a non negligeable percent of patients use natural health products. Natural polyphenols are multifunctional molecules that could be used for the treatment of multi-causal diseases, such as psoriasis. The aim of this work was to study the pharmacological effect of polyphenolic extracts obtained from barks of Canadian species in order to evaluate their possible utilisation for psoriasis treatment. Extracts from barks of some Canadian species were firstly analyzed for their antioxidant, toxicological and antiproliferative properties. The black spruce (Picea mariana) extract obtained by hot water extraction was considered as the most valuable crude extract obtained from barks of Canadian species. Then, the purification of this extract was performed in order to produce a fraction enriched in polyphenols and the nature of major compounds present in the purified extract was determined using different chemical analysis methods. A total of 28 compounds were identified in the purified extract, including trans-resveratrol, which was determined to be present at significant level in the bark of Picea mariana (104.19 µg.g-1 dried bark). Finally, the influence of the purified extract on the TNF-α/NF-κB signaling pathway on psoriatic keratinocytes was evaluated. It was found that this extract has the capacity to inhibit the ICAM-1 expression as well as the production of IL-6, IL-8, fractalkine; VEGF, nitric oxide and elafin by psoriatic keratinocytes upon TNF-α stimulation, which was attributed to the inhibition of TNFα-induced NF-κB activation in these cells. This study provides new insight into the immunopharmacological role of a polyphenolic extract in impacting the TNF-induced responses by psoriatic keratinocytes. Additionally, it opens new perspectives for the analysis of the individual role of polyphenolic compounds present in this extract for psoriasis treatment.
Sallier, Ingrid. "Cannabinoi͏̈des non psychotropes : applications en thérapeutique". Bordeaux 2, 1999. http://www.theses.fr/1999BOR2P085.
Texto completo da fonteMbodji, Khaly. "Modulation nutritionnelle de l'inflammation intestinale par les pharmaconutriments : effet de la glutamine et des acides gras omega-3". Rouen, 2011. http://www.theses.fr/2011ROUENR10.
Texto completo da fonteLe, Moal-Sommaire Annick. "L'Imaginaire du clown : approche historique, anthropologique et psychanalytique d'un médiateur thérapeutique venu d'ailleurs". Paris 7, 2003. http://www.theses.fr/2003PA070058.
Texto completo da fonteSince 1994, in the section for adults of the day-hospital of Dreux, Môssieu Gaga, a therapist-clown, wanders around on Fridays among the different work-groups, takes part in the "nursing-nursed" meeting and has a meal with all of them. After having fun on the bench during the coffee-break, he plays "Family-games" inspired by psychodrama unless he tells or let him tell face to face stories. With his accessories and pieces of string, he builds an imaginary world where "game is present". In this transitional space where weapons such as laugh, humour, derision and subversion are used, language and its poetic function get a high rank. This research aims at clarifying the pertinence of the clown delocation, from the circus to the psychiatric hospital. Therefore, it seems inevitable to study the beginning of this character, at first as a "small part", and to define his playground, the ring. Behind the obvious uselessness of this red nose, as the smallest mask of the world, the seriousness of this relies of the past comes out, a symbolic tool for controlling anguish, connected with the fear of strange, a link between Animal and Human. This baroque mediator who ensures the victory of illusion and impulse, works as a dramatic turn to events in this moment of fertile breaking off when a new form of organization can take place. His out of space therapeutic role takes all his efficiency with the borderline patients
Bougeard, Yves-Henri. "Effet d'un inhibiteur spécifique des phosphodiestérases dans le traitement de l'asthme". Montpellier 1, 1993. http://www.theses.fr/1993MON11179.
Texto completo da fonteMontane, Jean-Louis. "Etude comparative de Lycosa tarentula et Latrodectus mactans, et leurs utilisations homéopathiques". Bordeaux 2, 1991. http://www.theses.fr/1991BOR2P057.
Texto completo da fonteVandière, de Vitrac Guénola de. "Pharmacogénétique : étude sur le sulfoxyde de la S-carboxyméthyl-L-cystéine SCMC". Paris 5, 1989. http://www.theses.fr/1989PA05P137.
Texto completo da fonteLaham, Antoun. "Nouvelles perspectives offertes par l'administration de liposomes d'adénosine triphosphate (A. T. P. ) dans l'ischémie cérébrale expérimentale". Paris 11, 1989. http://www.theses.fr/1989PA114812.
Texto completo da fonteKubiak, Christine. "Mise au point d'immunonanosphères : perspectives pour le ciblage et le diagnostic "in vitro"". Paris 11, 1990. http://www.theses.fr/1990PA114823.
Texto completo da fonteRicard, Catherine. "Optimisation de la stabilité physique des mélanges ternaires destinés à la nutrition parentérale : rôle élémentaire, synergie d'action et définition de critères de choix des divers nutriments". Montpellier 1, 1996. http://www.theses.fr/1996MON13515.
Texto completo da fonteBernard, Florence. "Les Grindélias : utilisation en allopathie et homéopathie". Bordeaux 2, 1994. http://www.theses.fr/1994BOR2P041.
Texto completo da fonteElamrani, Faiza. "Apport de la médecine traditionnelle arabe et en particulier marocaine à la thérapeutique à propos du fenugrec et du henne notamment". Strasbourg 1, 1985. http://www.theses.fr/1985STR10500.
Texto completo da fonteNguyen-Pham, Nhu-Mai. "Héroi͏̈ne et opiacés : usage illicite et étude analytique". Paris 5, 1992. http://www.theses.fr/1992PA05P141.
Texto completo da fonteSoignard, Christine. "La belladone, "Atropa belladonna" L. , en thérapeutique". Lille 2, 1992. http://www.theses.fr/1992LIL2P0XX.
Texto completo da fonteBoyer, Christel. "La prune en thérapeutique des temps anciens à nos jours". Bordeaux 2, 1998. http://www.theses.fr/1998BOR2P011.
Texto completo da fonteCiarlini, Teixeira Maria-Glaucia. "Etude du passage transplacentaire des dérivés morphiniques : fentanyl - alfentanil - sufentanil". Toulouse 3, 1992. http://www.theses.fr/1992TOU30138.
Texto completo da fonteTuil, Karine. "Influence des lécithines sur les caractéristiques galéniques des émulsions lipidiques injectables". Paris 5, 1993. http://www.theses.fr/1993PA05P011.
Texto completo da fonteEl, Oukkal-Sebban Ghislaine. "Les dérivés du platine et chimiothérapie anticancéreuse". Bordeaux 2, 1998. http://www.theses.fr/1998BOR2P060.
Texto completo da fontePrat, Frédéric. "Effets tissulaires et cellulaires de la cavitation induite par les ondes de choc et recherche d'applications en cancérologie digestive". Lyon 1, 1993. http://www.theses.fr/1993LYO1T267.
Texto completo da fonteCaporiccio, Bertrand. "Recherche sur quelques activités biologiques d'un polysaccharide sulfate acide : extrait et caractérisé chez une algue marine Asparagopsis armata (Rhodophycee, Bonnemaisoniale)". Perpignan, 1994. http://www.theses.fr/1994PERP0185.
Texto completo da fonteMauduit, Jacques. "Nouveaux systèmes antibiotiques à libération contrôlée à base de gentamycine et de polymères biorésorbables". Rouen, 1991. http://www.theses.fr/1991ROUES008.
Texto completo da fonteJourdan, Jean-François. "Utilisation des céphalosporines et fluoroquinolones en pratique de ville : résultats d'une enquête auprès des praticiens héraultais". Montpellier 1, 1991. http://www.theses.fr/1991MON11127.
Texto completo da fonteLejeune, Christiane. "L'or, un métal pas comme les autres". Nantes, 1985. http://www.theses.fr/1985NANT377P.
Texto completo da fonteAuché-Veaux, Anne. "Essais d'application des effets thérapeutiques de la Bryone en pathologie humaine". Bordeaux 2, 1990. http://www.theses.fr/1990BOR25067.
Texto completo da fonteVinit, Florence. "Phénoménologie du toucher dans le champ des pratiques soignantes contemporaines". Université Marc Bloch (Strasbourg) (1971-2008), 2004. http://www.theses.fr/2004STR20045.
Texto completo da fonteBourson, Anne. "Les dérives de l'arsenic et leur application". Strasbourg 1, 1985. http://www.theses.fr/1985STR10555.
Texto completo da fontePavloff, Christian. "Traitement de l'asthme aigu grave : essai comparatif théophylline versus salbutamol". Montpellier 1, 1989. http://www.theses.fr/1989MON11275.
Texto completo da fonteLafragette-Négrier, Marie-Sylvie. "Facteurs pronostiques des carcinomes rénaux métastasiques". Lyon 1, 2002. http://www.theses.fr/2002LYO1T023.
Texto completo da fonteWurm, Geneviève. "Le houblon, humulus lupulus L : une plante à potentialité thérapeutique". Strasbourg 1, 1985. http://www.theses.fr/1985STR10499.
Texto completo da fonteSouillac, Vincent. "Etude de procédés d'extraction de la matrice organique dans l'exosquelette du corail Porites Lutea : propriet́és physico-chimiques et biocompatibilité". Bordeaux 2, 2003. http://www.theses.fr/2003BOR21088.
Texto completo da fonteThe use of coral as a bone substitute started more than 25 years ago. However, following the discovery of significant septic problems, the use of coral progressively declined while the use phosphocalcic substitutes climbed ever since. In this study we focused on the use of coral Porites Lutea and the various treatments used to remove proteins with their impacts on the coral crystal structure and mechanical properties. Local (micro waves) and global heat treatments, the use of hydrogen peroxide under various pressures, and the use of ethanol under both sub and supercritical conditions were evaluated. The global heat treatment and the supercritical use of ethanol appeared to result in adequate protein extraction. However, the heat treatment induced the transformation of the crystal phase from aragonite to calcite, resulting in a significant decrease of the coral mechanical resistance. Interestingly, the supercritical technology, using ethanol, resulted in the complete removal of the protein matrix without changing the coral crystal phase
Girod, Philippe. "Ananas comosus (L. ) Merr. Et ses enzymes protéolytiques : les bromélaines". Paris 5, 1990. http://www.theses.fr/1990PA05P032.
Texto completo da fonteKeunebroek, Jean-Philippe. "Les proanthocyanidols du pin maritime et du cyprès". Paris 5, 1991. http://www.theses.fr/1991PA05P006.
Texto completo da fonteCallebert, Jacques. "Implication de l'adénosine et de la prostacycline dans la régulation métabolique de la circulation cérébrale". Paris 5, 1989. http://www.theses.fr/1989PA05P503.
Texto completo da fonteBourdelet, Anne. "Amélioration du procédé de purification du C. 1740 P. A". Paris 5, 1992. http://www.theses.fr/1992PA05P219.
Texto completo da fonteArezki, Anush. "Synthesis and biological evaluation of organometallic derivatives of curcumin intended for therapeutic use". Paris 6, 2010. http://www.theses.fr/2010PA066603.
Texto completo da fonteGrinberg-Bleyer, Yenkel. "Stimulation des lymphocytes T régulateurs chez la souris : implications dans la physiopathologie et la thérapie du diabète auto-immun". Paris 6, 2010. http://www.theses.fr/2010PA066433.
Texto completo da fonteChaillou, Mathieu. "Recherche de preuves précliniques et cliniques dans le cadre du développement du complément alimentaire : utilisation de marqueurs membranaires, la NA+, K+-ATPase et les acides gras polyinsaturés". Poitiers, 2010. http://www.theses.fr/2010POIT1405.
Texto completo da fonteMangin, Florence. "Contribution à l'étude des émulsions injectables à base d'huile de soja et de phospholipides". Paris 5, 1995. http://www.theses.fr/1995PA05P609.
Texto completo da fonteGué, Karl-Indel. "Étude du potentiel neuroprotecteur des oméga-3 et du potentiel neurorestaurateur du tréhalose, en vue d'une approche thérapeutique par voie alimentaire dans un modèle murin de la maladie de Parkinson". Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28680/28680.pdf.
Texto completo da fonteBouthors, Audrey. "L'aubépine : botanique, polyphénols, activités antioxydantes". Bordeaux 2, 1999. http://www.theses.fr/1999BOR2P095.
Texto completo da fonteAlloing, Geneviève. "Etude de l'organisation moléculaire et de la fonction du locus ami de Streptococcus pneumoniae". Toulouse 3, 1990. http://www.theses.fr/1990TOU30083.
Texto completo da fonteRouthier, Sonia. "Nouvelles approches pour la prise en charge de l’anomie dans l’aphasie post-accident vasculaire cérébral et dans l'aphasie primaire progressive". Doctoral thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/25362.
Texto completo da fonteINTRODUCTION : L’aphasie est un trouble acquis du langage qui peut survenir à la suite d’un accident vasculaire cérébral (AVC) ou dans le cadre d’une démence. Les individus souffrant d’aphasie présentent presque tous de l'anomie, soit des difficultés à trouver les mots pour nommer les objets, les actions, les personnes. Le pronostic de l’aphasie dépend de plusieurs facteurs dont l’efficacité de l’intervention orthophonique. Classiquement, l’intervention pour l’anomie consiste à fournir des indices phonologiques, sémantiques ou orthographiques pour favoriser le réapprentissage des mots. Récemment, de nouvelles interventions qui reposent sur l’observation d’actions ou l’utilisation des technologies (ex., tablettes électroniques) émergent dans les écrits scientifiques. Des études sont nécessaires pour en documenter l’efficacité. OBJECTIFS : L’objectif général du projet doctoral est d’évaluer l’efficacité de nouvelles approches orthophoniques pour le traitement de l’anomie. Plus spécifiquement, l’étude 1 compare une approche sémantique-phonologique et une approche par observation d’actions pour la rééducation de l’anomie des verbes en aphasie post-AVC. L’étude 2 mesure l’efficacité d’une intervention auto-administrée via tablette électronique pour l’anomie des verbes en aphasie post-AVC. L’étude 3 mesure l’efficacité d’une intervention compensatoire via téléphone intelligent pour l’anomie dans le cadre d’une démence (variante sémantique de l’aphasie primaire progressive (vsAPP)). MÉTHODE : Des études de cas unique ont été réalisées auprès de patients présentant une anomie post-AVC ou dégénérative (vsAPP). Quatre phases ont été complétées: (1) Évaluation cognitive, (2) Mesures des performances pré-traitement, (3) Traitement, (4) Mesures des performances post-traitement. RÉSULTATS : La rééducation de l’anomie des verbes via l’observation d’action (étude 1) n’a pas permis l’amélioration de la dénomination des verbes. L’utilisation d’indices sémantiques et phonologiques a toutefois permis d’améliorer la dénomination des verbes, autant lors de l’intervention en présence du thérapeute (étude 1) que lors d’une intervention auto-administrée via une tablette électronique (étude 2). La prise en charge de l’anomie via un téléphone intelligent a été efficace pour compenser les déficits du patient de l’étude 3. CONCLUSION : Une prise en charge efficace de l’anomie est possible et primordiale afin de favoriser une communication optimale et fonctionnelle des individus qui en souffrent. Les présents résultats s’ajoutent au peu d’études actuellement disponibles concernant la mise en place de ces nouveaux traitements pour l’anomie.
Vinard, Elisabeth. "Étude rétrospective des causes d'échec des prothèses vasculaires implantées chez l'homme". Lyon 1, 1987. http://www.theses.fr/1987LYO1T148.
Texto completo da fonteDesmurs, Silvia. "Intérêt de L-aspartate de L-arginine dans les traitementsde stimulation ovarienne : rédaction du protocole de l'essai clinique". Poitiers, 1994. http://www.theses.fr/1994POIT1514.
Texto completo da fonte