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Academic literature on the topic 'Perméabilité et fluidité membranaire'
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Journal articles on the topic "Perméabilité et fluidité membranaire"
ROCQUELIN, G., N. YOYO, J. M. DUCRUET, and L. GUENOT. "Influence des acides linoléique (18:2 n-6) et α-linolénique (18:3 n-3) sur la composition, la perméabilité et la fluidité des phospholipides cardiaques du rat : étude à l'aide de modèles membranaires (liposomes)." Reproduction Nutrition Développement 26, no. 1A (1986): 97–112. http://dx.doi.org/10.1051/rnd:19860109.
Full textBarron, Denis, Christine Balland, Françoise Possety, Patrick Ravanel, and Aline Desfougères. "Flavonoïdes prénylés et perméabilité membranaire." Acta Botanica Gallica 143, no. 6 (January 1996): 509–20. http://dx.doi.org/10.1080/12538078.1996.10515348.
Full textLe Grimellec, Ch, El Hossain El Yandouzi, Ph Zlatkine, G. Moll, Z. Mamdouh, and M. C. Giocondi. "Fluidité membranaire et physiopathologie des cellules épithéliales." La Revue de Médecine Interne 14, no. 6 (June 1993): 365–66. http://dx.doi.org/10.1016/s0248-8663(05)80323-6.
Full textPagés, Jean-Marie, and Eric Garnotel. "Perméabilité membranaire et résistance aux antibiotiques chez les bactéries à gram négatif." Revue Française des Laboratoires 2003, no. 352 (April 2003): 57–63. http://dx.doi.org/10.1016/s0338-9898(03)80502-4.
Full textGrare, M., S. Fontanay, H. Massimba Dibama, M. Mourer, J. B. Regnouf-de-Vains, C. Finance, and R. E. Duval. "Cinétique d’action du para-guanidinoéthylcalix[4]arène, et évolution de la perméabilité membranaire." Pathologie Biologie 58, no. 1 (February 2010): 46–51. http://dx.doi.org/10.1016/j.patbio.2009.07.015.
Full textPagès, Jean-Marie. "Transports des antibiotiques et perméabilité membranaire : nouvelles perspectives afin de combattre la résistance bactérienne." Biologie Aujourd'hui 211, no. 2 (2017): 149–54. http://dx.doi.org/10.1051/jbio/2017020.
Full textVaille-Perret, E., C. Motta, and I. Jalenques. "Étude de l’évolution clinique et des modifications de fluidité membranaire chez des patients schizophrènes traités par neuroleptiques." Annales Médico-psychologiques, revue psychiatrique 160, no. 1 (February 2002): 58–66. http://dx.doi.org/10.1016/s0003-4487(01)00131-7.
Full textScislowski, V., D. Durand, D. Gruffat, C. Motta, and D. Bauchart. "Apport alimentaire en AGPI n-6 ou n-3 et fluidité membranaire des lymphocytes chez le bouvillon." Cahiers de Nutrition et de Diététique 39, no. 1 (February 2004): 71. http://dx.doi.org/10.1016/s0007-9960(04)94395-7.
Full textCotton, G., C. Feliers, K. Kecili, and A. L. Colon. "Performance du traitement membranaire (NF et OIBP) : rétention des micropolluants et enjeux énergétiques." Techniques Sciences Méthodes, no. 4 (April 2019): 29–36. http://dx.doi.org/10.1051/tsm/201904029.
Full textDabadie, H., E. Peuchant, C. Motta, D. Ribaud, C. Lopez, and F. Mendy. "P078 Une crème alimentaire enrichie en acide myristique améliore le syndrome métabolique et augmente la fluidité membranaire : l’étude Semyramis." Cahiers de Nutrition et de Diététique 46 (December 2011): S90. http://dx.doi.org/10.1016/s0007-9960(11)70162-6.
Full textDissertations / Theses on the topic "Perméabilité et fluidité membranaire"
Vo-Van, Quoc-Bao. "Exploration fonctionnelle de la réponse au stress chez des micro-organismes d'intérêt technologique : dynamique de la réponse membranaire suite au stress éthanolique chez Saccharomyces cerevisiae." Thesis, Dijon, 2015. http://www.theses.fr/2015DIJOS057/document.
Full textThe study of membrane response induced by ethanol stress in Saccharomyces cerevisiae aims to understand mechanisms involved in the survival of eukaryotic cells submitted to high ethanol concentrations. The cell membrane by its position between the intra- and extracellular environment is the first target of ethanolic perturbations. Experiments performed in this study aimed to characterize the maintain of the functional integrity of the membrane in relation to the sterol composition in the yeast S. cerevisiae submitted to different types of ethanolic disturbances: increasing concentrations of ethanol in the growth medium; ethanolic shocks of increasing magnitude; shock 20% ethanol for 15 minutes and then return in a medium without ethanol ("pulse" 20% ethanol)). Our results demonstrate the importance of ergosterol in maintaining membrane integrity and also support the hypothesis of the vector role of ethanol in cell oxidation, whose effectiveness is dependent on the nature of sterols at the membrane level. In addition, our results analyzing the kinetics of transcription of genes involved in oxidative stress response suggest an increased formation of reactive oxygen species (ROS) induced by ethanol in the Δerg6 mutant, affected in the biosynthetic pathway of ergosterol
Force, André. "Fluidité membranaire et activité énolase dans différentes populations de spermatozoïdes humains." Clermont-Ferrand 1, 2002. http://www.theses.fr/2002CLF1MM05.
Full textWinckler, Pascale. "Spectroscopie de corrélation de fluorescence : fluidité membranaire et détection de molécule unique en solution concentrée." Troyes, 2011. http://www.theses.fr/2011TROY0009.
Full textFluorescence correlation spectroscopy (FCS) is a single molecule technique very well suited for in vivo studies. We have used FCS to explore plasma membrane microfluidity of living cells. Measurements were conducted at the single cell level, which enabled us to get a detailed over-view of the typical plasma membrane microviscosity distribution of each cell line studied (LR73, MCF7, KB3. 1, MESSA and MDCKII). A Monte Carlo simulation based on a 2D diffusion model enables us to link the asymetric fluidity distribution profile with the plasma membrane micro-organization. This result was used to determine the membrane organisation related to the surexpression of the P-glycoprotein (Pgp), a protein implicated in multidrug resistance. We also compare the membrane structuration of various cancer cell lines, each comes in two versions, a sensitive one and a resistant one to a chemotherapeutic drug: the Doxorubicin. Secondly, we propose a new excitation scheme based on a nonradiative energy transfert. This approach allow us to reduce the illumination depth of the microscope at the nanometric scale. We demonstrate its potential through two applications: FCS in micromolar solutions and fluorescence imaging on cells adhesion areas
Beck, Alain. "Synthèse et étude de sondes phospholipidiques fluorescentes destinées à des mesures de fluidité membranaire localisée." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13074.
Full textBornet, Charléric. "Perméabilité membranaire et mécanismes de résistance aux antibiotiques chez Enterobacter aerogenes." Aix-Marseille 2, 2004. http://www.theses.fr/2004AIX20654.
Full textMoulin, Maryline. "TRAIL et choc thermique : synergie d'induction de l'apoptose des cellules leucémiques." Lyon 1, 2007. http://www.theses.fr/2007LYO10008.
Full textThis study reveals that TRAIL (TNF-Related Apoptosis Inducing Ligand) and heat shock combined treatment strongly stimulates apoptosis of leukaemia cells including cells from CLL patients. Moreover, this co-treatment is not toxic for normal T-lymphocytes, thus opening new prospects in search for alternatives to traditional anti-cancer therapies. The apoptosis stimulation is caspase- and DISC formation-dependent, but protein neo-synthesis-independent. The phenomenon is correlated with an enhanced recognition of TRAIL death receptors DR4 and DR5 by this cytokine. Moreover, alcohol, which like heat shock induces membranes fluidity, also enhances TRAIL-mediated apoptosis. These synergies correlate with drastic ceramide production, a phenomenon that is completely inhibited by the D609 drug. Membrane fluidity and ceramide are therfore two key parameters of the mechanism involved in stress-induced stimulation of TRAIL apoptosis
Aloui, Rachid. "Modifications de la fluidité membranaire et de l'activité phosphodiestérase des nucléotides cycliques des leucocytes sanguins au cours des maladies allergiques." Lyon 1, 1989. http://www.theses.fr/1989LYO1T089.
Full textAliche-Djoudi, Fatiha. "Implication du remodelage membranaire induit par les acides gras polyinsaturés de la série oméga 3 dans la toxicité hépatique de l'éthanol : rôle de la fluidité membranaire et des radeaux lipidiques." Rennes 1, 2011. http://www.theses.fr/2011REN1B084.
Full textThe involvement of membrane remodeling in ethanol-induced liver toxicity was previously described by our team. Thus, an increase in membrane fluidity and lipid raft clustering were responsible for ethanol toxicity via the activation of a raft-dependent signaling pathway, implicating phospholipase C (PLC). Omega 3 polyunsaturated fatty acids (n-3 PUFAs) have been described as capable of altering membrane fluidity and lipid rafts organization leading to modification of cell signaling. However, the impact of n-3 PUFA induced membrane remodeling on ethanol liver toxicity had never been described. For these reasons, the effect of some n-3 PUFAs, namely eicosapentaenoic acid (EPA, C20: 5 n-3) and docosahexaenoic acid (DHA, C22:6 n-3), on ethanol-induced toxicity (oxidative stress and cell death) has been studied in rat primary hepatocytes, with particular attention to the involvement of lipid rafts. We have shown that EPA enhanced ethanol toxicity while DHA protected from it. This differential effect between EPA and DHA was mainly due to their membrane behavior. EPA, by incorporating preferentially in non-raft domains, promoted lipid raft clustering and consequently, activation of the PLC pathway. In contrast, DHA inhibited PLC signaling by preventing lipid raft aggregation, due to its preferential incorporation in these membrane micro-domains
Dupont, Myrielle. "Régulation de la perméabilité membranaire et de la sensibilité aux antibiotiques chez les bactéries à gram négatif." Aix-Marseille 2, 2006. http://www.theses.fr/2006AIX20693.
Full textGaillard, Patrick. "Evaluation des performances de quatre hémodialyseurs de haute perméabilité membranaire. Etude in vivo et ex vivo en hémodialyse et hémodiafiltration." Montpellier 1, 1998. http://www.theses.fr/1998MON11130.
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