Дисертації з теми "Etudes in vitro et in vivo"
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Pérault-Pochat, Marie-Christine. "Etudes in vivo et in vitro de plusieurs interactions avec les psychotropes." Paris 6, 1995. http://www.theses.fr/1995PA066806.
Bun, Sok-Siya. "Etudes in vitro et in vivo du métabolisme et des interactions médicamenteuses du paclitaxel." Aix-Marseille 2, 2003. http://www.theses.fr/2003AIX22954.
FERRI, BODIN MANUELLE. "Etudes in vitro et in vivo des interactions prunus - plum pox virus (ppv)." Montpellier, ENSA, 2000. http://www.theses.fr/2000ENSA0025.
Cunat, Lisiane Burnel Daniel. "BIODISPONIBILITE DE L'ALUMINIUM DANS L'INTESTIN. ETUDES IN VITRO ET IN VIVO CHEZ LE RAT /." [S.l.] : [s.n.], 1999. ftp://ftp.scd.univ-metz.fr/pub/Theses/1999/Cunat.Lisiane.SMZ9931.pdf.
RIECK, PETER WOLFGANG. "Fgf2 et cicatrisation de la cornee : etudes in vitro et in vivo (doctorat : biol. cell. mol.)." Paris 5, 1996. http://www.theses.fr/1996PA05W075.
MARIN, JEAN. "Mecanisme d'action et activite biologique du poly (a). Poly (u) : etudes in vitro et in vivo." Paris 11, 1992. http://www.theses.fr/1992PA112124.
Picard, Nicolas. "Etudes in vitro et in vivo du métabolisme du mycophénolate et des interactions métaboliques entre médicaments immunosuppresseurs." Limoges, 2005. http://aurore.unilim.fr/theses/nxfile/default/5e16d2f3-56fd-45eb-8f46-df30fc9267e3/blobholder:0/2005LIMO310G.pdf.
The immunosuppressive drugs have a narrow therapeutic window and thus require Therapeutic Drug Monitoring (TDM). Metabolism could lead to changes in drug exposure as well as to drug-drug interactions. It should be considered for the choice of drug combination and dosages. This work focuses on the metabolism of mycophenolic acid (MPA, the active moiety of mycophenolate mofetil, Cellcept®) and drug-drug interactions between immunosuppressive drugs. MPA phase I and phase II metabolic pathways were characterized in vitro (metabolites, enzyme isoforms, tissue locations). These studies showed that UGT 1A9 and UGT 2B7 are the main contributors to the production of the two main MPA metabolites (MPA-phenyl-glucuronide, MPAG and MPA-acyl-glucuronide, AcMPAG). UGT 1A9 genetic polymorphism was not associated with changes in MPAG plasma concentrations. On the contrary, the UGT 2B7 G-840A mutation influenced AcMPAG exposure, a metabolite presumably responsible for a part of MMF toxicity. In renal transplant patients, we observed variations in the exposure to MPA and metabolite, depending on the immunosuppressive drug associated (cyclosporin, tacrolimus, or sirolimus). This seems to involve two different interactions: an effect of cyclosporin on MPAG biliary excretion as well as an effect of tacrolimus on MPA pharmacokinetics (of which the mechanism remains to be explored). Finally, based on in vitro experiments, we suggestthat the metabolic interaction between cyclosporin and sirolimus mainly involves CYP 3A4. CYP 3A5, which largely contributes to sirolimus bioavailability (when expressed), would only play a minor role in this interaction
Richard, Bruno. "Etudes metabolique et pharmacocinetique de la mitoxantrone (novantrone) : apport de differents modeles in vivo et in vitro." Aix-Marseille 2, 1990. http://www.theses.fr/1990AIX22984.
Le, Marec Olivier. "Relations structure-activité du 26RFa, un neuropeptide orexigène. Etudes pharmacochimiques in vitro et in vivo." Rouen, 2011. http://www.theses.fr/2011ROUES019.
The 26RFa, last member of the RFamide peptide family, has been characterized as the endogenous ligand of the GPR103. The literature indicates that the 26RFa participates to the control of food intake, insulinemia, hydromineral homeostasis and oesteogenesis and that its C-terminal counterpart (26RFa(10-26)) mimics its oreigenic and insulinostatic effects. The structure-activity relationships of 26RFa that we led shows that 26RFa(10-26) is the minimal iso-active fragment, and that the 26RFa(20-26) is the more relevent molecular form to develop GPR103 ligands. The Ser23 substitution of the 26RFa(20-26) by a norvaline lead to an analog three times more potent. We also demonstrate that the presence of a free N-terminal function is not essential to 26 RFa activity and that the Phe26 moiety may be eliminated without loss of activity with the N-benzyl-26RFa(1-25). Besides, we studied the effects of the 26RFa on gonadotropic axis in rat. Our results indicate that the 26RFa stimulates LH and FSH release from rat pituitary explants, that GPR103 is expressed in hypophysis all along the development, that 26RFa mediates an in vivo hypophysiotropic effects after central or systemic administration in cyclic or ovariectomized rat, indicating that the 26RFa stimulates the gonadotropic axis on hypothalamic and ptuitary levels. At last, central injection of 26RFa evokes a decrease of prolactin plasma levels in females in di-oestrus as well as in male adult rats. The stimulatory effects of the 26RFa and its analog on gonadotropic axis open new therapeutic prospects for the control of fertility, besides potential applications in the treatment of the troubles of energetic hoeostasis of bone development
LU, JIANXI. "La formation osseuse lors de l'implantation de bioceramiques poreuses - etudes in vitro et in vivo -." Paris 7, 1997. http://www.theses.fr/1997PA077133.
PINEAU, CHARLES. "Regulation paracrine de la fonction testiculaire chez le rat : etudes in vivo et in vitro." Rennes 1, 1990. http://www.theses.fr/1990REN10005.
Bruyère, Arnaud. "Etudes in vitro du métabolisme et du transport intestinal humain avec modélisation in vitro/in vivo par approche physiologique." Paris 5, 2010. http://www.theses.fr/2010PA05P608.
Valles, Béatrice. "Etudes metaboliques in vitro de divers composes medicamenteux : validation retrospective et prediction du metabolisme hepatique in vivo." Aix-Marseille 2, 1994. http://www.theses.fr/1994AIX22953.
Briot, Pascal. "Etudes in vivo et in vitro de la biosynthèse des oestrogènes chez la Hase (Lepus europaeus)." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375964416.
Mohr, Steve. "Le transcriptome du mésothéliome pleural malin : Etudes in vitro, ex vivo, in situ et in silico." Université Louis Pasteur (Strasbourg) (1971-2008), 2003. http://www.theses.fr/2003STR13155.
Asbestos is known as mutagenic and carcinogenic for human and is responsible for many occupational pulmonary diseases including asbestosis, bronchogenic carcinoma and malignant pleural mesothelioma. We performed at Institut National de Recherche et de Sécurité a comparative study of the transcriptome of healthy pleura and malignant pleural mesotheliomas using microarray technologies. Gene expression profiles, obtained from i) cultured pleural cells (7,000 genes, in vitro study), ii) tumor specimens (10,000 genes, ex vivo study), and iii) microdissected pleural cells (10,000 genes, in situ study), were analyzed by hierarchical clustering methods with either unsupervised or supervised bioinformatic tools. Results from these studies showed many differentially expressed genes that promote local invasion, protection and resistance to anti-cancer defenses. Some of them may be positive markers of mesothelioma, namely: BLMH, BYSL, CDH11, FTL, GADD45A, IGFBP7, NBS1, TIMP3, THBS2 and TXN. Other like ITGA2, NME1, REQ, SYPL and TPBG may serve as negative markers of mesothelioma. The expression of selected genes, such as FTL and TXN, were confirmed by quantitative RT-PCR. Furthermore, a literature-mining tool, DILIB, suitable for in silico studies, was developed and applied to microarray data. DILIB allowed us to achieve functional annotation of genes and transcriptomes. Our results defined a molecular fingerprinting of human malignant pleural mesothelioma with up- and down-regulated genes that allowed to i) better understand molecular changes of pleural carcinogenesis, ii) improve diseases classification, and iii) find new molecular markers of malignant pleural mesothelioma. These markers should improve the accuracy of mesothelioma diagnosis and therapy
Briot, Pascal. "Etudes in vivo et in vitro de la biosynthèse des œstrogènes chez la hase (Lepus europaeus)." Paris 6, 1986. http://www.theses.fr/1986PA066159.
CLEMENCEAU, BEATRICE. "Etude du risque de transmission de retrovirus endogenes de porc lors d'une xenogreffe d'ilots : etudes in vitro et in vivo." Nantes, 2002. http://www.theses.fr/2001NANT2056.
Chemla, Denis. "Couplage contraction-relaxation myocardique : etude in vitro et in vivo." Paris 11, 1991. http://www.theses.fr/1991PA112320.
BICHAT, FRANCIS. "Chimiosensibilisation des cellules tumorales resistantes aux anthracyclines par de nouveaux agents, s9788 et u74389g. Etudes in vivo et in vitro." Paris 6, 1997. http://www.theses.fr/1997PA066230.
Cournil-Henrionnet, Christel. "Potentialités chondroprotectrices d'Hsp70 vis à vis des phénomènes apoptotiques : Etudes in vitro et in vivo chez le rat." Nancy 1, 2003. http://www.theses.fr/2003NAN12504.
BOUCHER, NATHALIE. "Vieillissement des lymphocytes t humains etudes in vitro et ex-vivo de cellules d'adultes jeunes, de personnes agees et de centenaires." Paris 7, 1998. http://www.theses.fr/1998PA077187.
Giangrande, Angela. "Etude in vivo et in vitro de la régulation de Sgs3." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376139014.
Giangrande, Angela. "Etude in vivo et in vitro de la regulation de sgs3." Strasbourg 1, 1988. http://www.theses.fr/1988STR13069.
Schoutteten, Laetitia. "Photophysique et photochimie du calcium green in vitro et ex vivo." Cachan, Ecole normale supérieure, 1997. http://www.theses.fr/1997DENS0022.
AUTHIER, FRANCOIS. "Mise en evidence et signification de l'internalisation du glucagon et de son recepteur dans le foie de rat. Etudes in vivo et in vitro." Paris 7, 1992. http://www.theses.fr/1992PA077009.
Perche, Olivier. "Hormones steroides, matrice extracellulaire : facteurs intervenant dans la differenciationdes cellules epitheliales d'oviducte de caille : etudes in vivo et in vitro." Paris 6, 1989. http://www.theses.fr/1989PA066395.
NIZARD, REMY-SIMON. "Recouvrement d'un substrat d'alumine par bioverres. Etude in vitro et in vivo." Paris 13, 1999. http://www.theses.fr/1999PA132017.
Jebeniani, Imen. "Etude in vitro et in vivo d'une cardiomyopathie secondaire à une laminopathie." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0025.
The LMNA H222P missense mutation in autosomal dominant Emery-Dreifuss muscular dystrophy patients is responsible for a muscular dystrophy and dilated cardiomyopathy. The molecular mechanisms underlying the origin and development of the pathology are still unknown. Herein, we used mouse pluripotent stem cells as well as a mutant mouse, all harboring the LMNA H222P mutation, to investigate potential therapeutic approaches. Echocardiography of LMNA H222P mice in utero revealed dilatation of heart as early as E13.5, pointing to a developmental origin of the disease. Cardiac differentiation of mouse pluripotent stem cells was impaired as early as the mesodermal stage. Expression of Mesp1, a mesodermal cardiogenic gene as well as snail1 and twist, involved in epithelial-mesenchymal transition (EMT) of epiblast cells, was decreased in mutated cells when compared to wild type in the course of differentiation. In turn, cardiomyocyte differentiation was impaired. Chromatin immunoprecipitation assays of the H3K4me1 epigenetic mark in differentiating cells revealed a specific decrease of this histone mark on regulatory regions of MesP1 and Twist. Downregulation or inhibition of LSD1, that specifically demethylates H3K4me1, rescued the epigenetic landscape in mutated cells. In turn downregulation of LSD1 rescued contraction in cardiomyocytes differentiated from LMNA H222P pluripotent stem cells. Our data point to LSD1 inhibitor, used in clinical trials in cancerology, as potential therapeutic molecule for laminopathies with a cardiac phenotype
YAGHOOBIAN, JACQUELINE. "Etudes in vitro et in vivo sur la regulation du recepteur de l'hormone parathyroidienne (pth) et du peptide apparente a la pth (pthrp)." Paris 7, 1998. http://www.theses.fr/1998PA077306.
De, oliveira Samira Cássia. "Impact de la pasteurisation et de l’homogénéisation sur la digestion du lait maternel chez le nouveau-né : Etudes in vitro et in vivo." Thesis, Rennes, Agrocampus Ouest, 2016. http://www.theses.fr/2016NSARB284/document.
When breastfeeding is not possible, pasteurized human milk (PHM) from milk banks is preferentially administered, especially for vulnerable hospitalized newborns. Holder pasteurization (62.5°, 30 min) is applied for sanitary reasons but may reduce fat absorption through inactivation of milk endogenous lipases. This could be counteracted by homogenization of PHM through an increase of the specific surface available for enzyme adsorption. The objective of this thesis was to study the impact of Holder pasteurization and ultrasonic homogenization on the digestion of HM in the newborn. An in vitro dynamic model was used to evaluate the gastrointestinal digestion of raw HM (RHM) vs. PHM at preterm and term stages. A clinical trial was conducted on hospitalized preterm newborns for comparing the gastric digestion of (A) RHM vs. PHM and (B) PHM vs. pasteurized-homogenized HM (PHHM). Pasteurization and homogenization affected the HM initial structure and its digestive kinetics and structural disWhile gastric lipolysis was reduced after pasteurization in term in vitro study, no impact was observed at the preterm stage. Intestinal lipolysis, in vitro, was reduced by pasteurization. Gastric proteolysis was selectively affected by pasteurization, being, in vivo, faster for lactoferrin and slower for a-lactalbumin. Homogenization increased lipolysis and proteolysis of serum albumin. Some physiological gastric conditions were affected by treatments: RHM had enhanced postprandial lipolytic activity and PHHM had a reduced gastric emptying time. The in vivo data described here may help to i
Daudet, Nicolas. "Etudes in vivo et in vitro du potentiel régénératif de l'organe de Corti : recherche de facteurs moléculaires capables d'influencer ce potentiel." Montpellier 1, 2001. http://www.theses.fr/2001MON1T001.
RACLOT, THIERRY. "Metabolisme selectif des acides gras adipocytaires en fonction de leur structure moleculaire : etudes in vitro et in vivo chez le rat." Université Louis Pasteur (Strasbourg) (1971-2008), 1995. http://www.theses.fr/1995STR13166.
Toussaint-Hacquard, Marie. "Etudes in vitro et in vivo des effets potentiels de trois solutions d'hémoglobine modifiée chimiquement sur les propriétés biologiques des cellules sanguines et endothéliales." Nancy 1, 2002. http://www.theses.fr/2002NAN11320.
Gozalbes-Bappel, Catherine. "Effets vasculaires de deux diurétiques de l'anse : pirétanide et furosémide. Etudes ex vivo chez le rat spontanément hypertendu et in vitro chez le cobaye." Bordeaux 2, 1997. http://www.theses.fr/1997BOR28532.
Touret, Franck. "Etude in vivo et in vitro du rétrovirus endogène gypsy chez Drosophila melanogaster." Paris, EPHE, 2014. http://www.theses.fr/2014EPHE3001.
Retroviruses are viruses that have the ability to reverse transcribe their RNA genome into DNA to integrate it in the host genome. Sequencing of many eukaryotic genomes has revealed the presence of many of these endogenous retrovirus sequences. The mechanisms by which these retroelement colonize the genome are still unknown. The endogenous retrovirus gyspsy of Drosophilz melanogaster is a powerful experimental model to decipher this process. Gypsy is expressed in a sheet of somatic cells and transformed into the oocyte. This critical step is the first of the endogenization process which remains poorly understood. In this work we have shown that gypsy maternal transmission is reduced in the presence of the endosymbiotic bacteria Wolachia in a piRNAs independent way. Wolbachia represent a negative factor limiting gypsy genome invasion. We also isolate from a cell culture an infectious form of the gypsy endogenenous retrovirus. This form of gypsy is still able to form enveloped viral particles ans still have infectious properties. This process by which this virus can bud from the cell and still be infectious is unknown but i can lead to a better understanding of the endogenization process. Together this findings allow a better understanding of the complex relationship between host (and his inhabitants) and an endogenous retrovirus
Aignasse, Marie-France. "Etude des mécanismes d'absorption digestive de la ciclosporine "in vitro" et "in vivo"." Paris 5, 1993. http://www.theses.fr/1993PA05P070.
ROUFFIAC, VALERIE. "Caracterisation de l'agregation erythrocytaire par voie ultrasonore. Etude in vitro et in vivo." Paris 7, 2000. http://www.theses.fr/2000PA077276.
Watier, Bruno. "Etude experimentale du rachis cervical : comportement mecanique in vitro et cinematique in vivo." Paris, ENSAM, 1997. http://www.theses.fr/1997ENAM0031.
Cassien, Mathieu. "Etudes in vitro/in vivo de la toxicité de polluants atmosphériques. Implication du stress oxydant dans les mécanismes génotoxiques et sur la variation des paramètres biochimiques." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4703.
Epidemiological studies have consistently reported that particulate matter in ambient air pollution is associated with increases in cardiopulmonary diseases and mortality. Because they can deeply penetrate lung tissue, reaching blood stream and organs, nanoparticles (NPs) are considered particularly harmful. Here, our foray into the specific mutagenicity and cytotoxicity of NPs focused on manufactured nano-CeO2 (a fuel additive) and NPs known to form in air from a variety of atmospheric toxicants (eg, combustion residues, pesticides). We first revealed a genotoxic effect of nanoCeO2 on human fibroblasts by a clastogenic mechanism following stimulation of the release of O2•-/H2O2 by NADPH oxidase and mitochondria. However, upon exposure of these cells to nM doses of 1-nitropyrene (a combustion byproduct) promotion of DNA damage involving an aneugenic mechanism occurred before a clastogenic effect was seen at µM doses. Second, using a home-made chamber equipped with an aerosol generator, we determined indices of oxidative stress and tissue damage in rats chronically inhaling toxicant NPs for 1-5 months at environmentally relevant doses. Long term exposure, even at low NPs doses, provoked systemic oxidative stress, lipid peroxidation, kidney damage, liver dysfunction, changes in lipid profile and occurrence of disorders of glucose tolerance. Moreover, a strong impairment of hemodynamic performance was evidenced in hearts from NP-exposed rats. By extending literature data of the in vitro toxicity of NPs to the in vivo situation, our study incriminates the nano-sized components of atmospheric particulate matter as a privileged vector of genotoxicity and cardiotoxicity
Loyer, Pascal. "Controle de la phase g1 du cycle cellulaire des hepatocytes normaux de rat : etudes in vivo et in vitro de quelques facteurs." Rennes 1, 1993. http://www.theses.fr/1993REN10153.
Devaud, Jean-Marc. "Morphogenese de neurones impliques dans la discrimination olfactive : etude in vivo et in vitro." Paris 6, 1997. http://www.theses.fr/1997PA066306.
Pommeret, Olivier. "Etude fonctionnelle in vivo et in vitro des différentes formes de la Laminine-5." Paris 7, 2003. http://www.theses.fr/2003PA077232.
Dubor, Frédéric. "Production d'inhibiteur d'activateur du plasminogène : Etude in vitro et in vivo de quelques mécanismes." Paris 6, 1988. http://www.theses.fr/1988PA066216.
Le, Hegarat Ludovic. "Etude de la génotoxicité in vitro et in vivo d'une toxine marine, l'acide okadai͏̈que." Dijon, 2004. http://www.theses.fr/2004DIJOS052.
BERANGER, FLORENCE. "Definitions et approches du controle pharmacologique du pouvoir anti-thrombogenique des cellules endotheliales (patce). Etudes in vitro en culture de cellules et in vivo chez l'animal." Aix-Marseille 2, 1988. http://www.theses.fr/1988AIX22956.
Guillard, Thomas. "Etude des gènes plasmidiques de résistance aux fluoroquinolones : détection et facteurs d'émergence in vitro et in vivo." Paris 7, 2012. http://www.theses.fr/2012PA077234.
Fluoroquinolones are currently among the most heavily prescribed antimicrobials in the world. The three main plasmid-mediated quinolone résistance (PMQR determinants of clinical interest are the Qnr proteins, the AAC(6')-Ib-cr enzyme and the QepA efflux pump. PMQR have been described more recently than the fluoroquinolones therapeutic use. Since these mechanisms confer a low-level résistance, molecular detection of qnr genes among clinical bacterial isolates is worthwhile. Moreover, clinical relevance of PMQR needs to be pointed out by decrease of in vivo fluoroquinolones activity. Firstly, we developed real-time PCR for rapid qnr and qepA gènes detection and for qnr alleles characterization, and pyrosequencing detection of aac(6')Ib-cr gene. Secondly, we reported that an optimal regimen of ciprofloxacin did not significantly decrease the bacterial count in kidneys of mice infected with AAC(6')-Ib-cr-producing Escherichia coll strain susceptible in vitro, in a murine model of pyelonephritis. At last, we described seven small non-transmissible plasmids harbouring qnrD in strains of the tribe of Proteeae. Characterization of the qnrD genetic support led us to hypothesize the qnrD mobilization by a "mobile insertion cassette" (mie). Although qnrD progenitor remains unidentified, genetic characteristics suggest that qnrD appeared in the tribe of Proteeae before its spread to other enterobacterial strains
BECAERT, THIERRY. "Etudes pharmacologiques et electrophysiologiques in vitro et in vivo de o-alkyl ethers et de desoxy s-alkyl thioethers derives du glucose. Mise en evidence de proprietes antagonistes calciques." Amiens, 1990. http://www.theses.fr/1990AMIES022.
Mouizina, M'Barka. "Etude in vivo et in vitro de la différenciation testiculaire chez le foetus de souris." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37608266s.
Rovery, Clarisse. "Etude de la transcription de Rickettsia conorii dans différentes conditions in vitro et in vivo." Aix-Marseille 2, 2009. http://www.theses.fr/2009AIX20668.
Mouizina, M'Barka. "Etude in vivo et in vitro de la differenciation testiculaire chez le foetus de souris." Paris 7, 1987. http://www.theses.fr/1987PA077230.