Academic literature on the topic 'Glutathion – Oxydation'
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Journal articles on the topic "Glutathion – Oxydation"
Ouled-Haddou, Hakim, Kahia Messaoudi, Roggiero Lopes Dos Santos, Candice Carola, Yohann Demont, Alexis Caulier, Pascal Vong, et al. "A New Role of Glutathion Peroxydase 4 in Human Erythroblast Enucleation." Blood 134, Supplement_1 (November 13, 2019): 938. http://dx.doi.org/10.1182/blood-2019-122161.
Full textBAHLIL, Yasmina, Djamil KROUF, and Nawal TALEB-DIDA. "Zygophyllum album aqueous extract reduces oxidative damage in erythrocytes and attenuates pro-inflammatory markers in hypercholesterolemic-diabetic rats." Nutrition & Santé 09, no. 02 (December 16, 2020): 106–16. http://dx.doi.org/10.30952/ns.9.2.6.
Full textSuprun, A. S., and I. F. Belenichev. "Influence of interleukin-1 receptor antagonist on dynamics of the glutathione system, energy metabolism and oxydative protein modification in experimental hyperglycemia." Kazan medical journal 95, no. 6 (December 15, 2014): 881–87. http://dx.doi.org/10.17816/kmj1998.
Full textMialocq, P., J. Oiry, J. Y. Puy, A. C. Rimaniol, J. L. Imbach, D. Dormont, and P. Clayette. "Métabolisme oxydatif dans les macrophages infectés par le VIH : rôle du glutathion et approche pharmacologique." Pathologie Biologie 49, no. 7 (January 2001): 567–71. http://dx.doi.org/10.1016/s0369-8114(01)00214-0.
Full textErdogdu, G., J. N. Dholakia, and A. J. Wahbac. "Purification and Some Properties of an Oxydative Inhibitor in Rabbit Reticulocyte Lysates." Zeitschrift für Naturforschung C 53, no. 9-10 (October 1, 1998): 897–901. http://dx.doi.org/10.1515/znc-1998-9-1019.
Full textShu Tao, G. Calza, F. Lerzo, A. Virgone, N. Camassa, G. Panizzon, L. Brunelli, et al. "Activation of the intracellular glutathione system by oxydative stress during cardiopulmonary bypass and myocardial perfusion." Perfusion 10, no. 1 (January 1995): 45–50. http://dx.doi.org/10.1177/026765919501000108.
Full textOzturk, Hulya, Hayrettin Ozturk, Kaan Gideroglu, Hakan Terzi, and Guler Bugdayci. "Montelukast protects against testes ischemia/reperfusion injury in rats." Canadian Urological Association Journal 4, no. 3 (April 17, 2013): 174. http://dx.doi.org/10.5489/cuaj.847.
Full textLakhdar, R., S. Denden, A. Kassab, N. Leban, H. Daimi, H. Kahloun, A. Hergli, et al. "LE STRESS OXYDATIF ET LA BPCO: POLYMORPHISME DES GLUTATHION-S-TRANSFERASES ET APPORT DE LA PHYTOTHERAPIE CLINIQUE." Acta Horticulturae, no. 997 (July 2013): 251–56. http://dx.doi.org/10.17660/actahortic.2013.997.32.
Full textAdli, D. E. H., K. Kahloula, M. Slimani, M. Brahmi, and M. Benreguieg. "Effets prophylactiques de l’huile essentielle de Syzygium aromaticum chez les rats wistar en développement coexposés au plomb et au manganèse." Phytothérapie 16, S1 (December 2018): S1—S7. http://dx.doi.org/10.3166/phyto-2019-0149.
Full textRamdane, F., A. Sobti, N. H. Hrizat, and M. M. Hadj. "Effet protecteur de Myrtus nivellei contre le stress oxydatif chez les rattes rendus diabétiques à l’alloxane." Phytothérapie, 2020. http://dx.doi.org/10.3166/phyto-2019-0220.
Full textDissertations / Theses on the topic "Glutathion – Oxydation"
Carsol, Marie-Ange. "Etude de la réaction d'oxydation du glutathion par la glutathion péroxydase et possibilités d'utilisation à des fins analytiques." Aix-Marseille 3, 1995. http://www.theses.fr/1995AIX30057.
Full textRoland, Aurélie. "Influence des phénomènes d'oxydation lors de l'élaboration des moûts sur la qualité aromatique des vins de Melon B. et de Sauvignon Blanc en Val de Loire." Thesis, Montpellier, SupAgro, 2010. http://www.theses.fr/2010NSAM0016/document.
Full textIn order to characterize Melon B. and Sauvignon Blanc musts in composition and to study their oxidation profiles, several analytical methodologies have been developed and validated. The quantification of thiols precursors by Stable Isotope Dilution Assay required the synthesis of labeled molecules, which have been used either as analytical standards or as tracers for relationship studies in complex matrices. Thus, we established that, during the alcoholic fermentation, the S-3-(hexan-1-ol)-glutathione (G3MH) and the S-4-(4-méthylpentan-2-one)-glutathione (G4MMP) are metabolized by the yeast to release the 3-mercaptohexan-1-ol (3MH) and the 4-méthyl-4-mercaptopentan-2-one (4MMP) with molar conversion yields close to 4.4 % and 0.3 % respectively. Oxidation mechanisms study at laboratory scale demonstrated that aromatic potential was not affected by oxidative reactions, as expected in regard to their chemical structures. On the contrary, the G3M H was produced in the same time as the Grape Reaction Product peak (GRP). The validation of these observations at industrial scale was conducted by comparing traditional and inerted pressing systems. The elaboration of a Melon B. must under inert gas was not in favor of a G3MH pre-fermentary production, which induced a decrease of 3MH concentration in wine without affecting the organoleptic qualities of young wines. For Sauvignon Blanc must, the aromatic potential was not affected by the kind of pressing systems but a significant decrease in 3MH was observed in the wines obtained with juices from the beginning of pressing. The E-(2)-hexenal pathway could certainly explain such aromatic losses. Thus, under our experimental conditions, a mild and controlled oxidation of Melon B. must and, in a certain extend of Sauvignon Blanc must, is in favor of the aromatic quality of wines from Loire Valley
Câmara, Júnior Antonio de Anchieta. "Conservation et préservation fonctionnelle de levures d’intérêt en agro-alimentaire." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCK051/document.
Full textThe use of yeasts in industry is inseparable from their ability to be produced and dehydrated. This dehydration process causes various dysfunctions in yeast cells that affect their functionality and viability. In order to protect yeasts from dehydration, food additives are often used as emulsifiers and antioxidants. However, yeasts are able to produce naturally protective substances, such as glutathione (GSH) and trehalose (TRE). In this context, three non-Saccharomyces (NS) strains, belonging to the different genera and species Torulaspora delbrueckii, Metschnikowia pulcherrima and Lachancea thermotolerans, were studied in this thesis. Despite the great interest aroused by their multiple agro-food applications, their dehydration resistance mechanisms associated with the synthesis of GSH and TRE, are currently unknown. This study is ultimately aimed at the formulation of new NS yeast dried strains without any food additives. In a first chapter, the impact of the “reference yeast” Saccharomyces cerevisiae dehydration in a pre-pilot fluidized bed has been correlated with the synthesis of GSH and TRE. It was possible to modulate the culture medium composition in order to optimize cell preservation before, during and after dehydration. In a second chapter, the previously defined conditions were applied to NS yeasts strains in order to understand the effects of dehydration on their microbial functionality. This study demonstrated that GSH plays an important role in NS yeasts protection, depending on the culture and dehydration conditions. In a third chapter, some oxidation resistance phenomena of the three NS strains were studied. It was clearly demonstrated that the susceptibility of cells to oxidative attack was dependent on culture-dehydration conditions and was yeast strain-dependent. Finally, in a fourth chapter, an in-depth biochemical study of the most dehydration-sensitive yeast strain, L. thermotolerans, was performed by synchrotron FTIR micro-spectroscopy. Cells grown in GSM (medium favoring the production of GSH), besides showing a better viability, showed a greater intensity in the spectral bands of lipids CH2 and CH3, associated with the plasma membrane fluidity. In addition, TSM grown cells (TSM is a medium favoring the production of TRE) exhibited a higher protein denaturation, suggested by the intensity of β-sheet peaks, and C=O (lipid oxides) bands correlated with lipid peroxidation. These data can explain the decreased of viability of this strain during production-dehydration process. The fundamental knowledge acquired in this study will be useful to obtain new dehydrated yeast strains without additives and with high performance. It will be useful also to improve the formulation and dehydration methods currently used in industry
Selles, Benjamin. "Les glutathion peroxydases et protéine disulfure isomérases de peuplier : potentialités du repliement thiorédoxine pour la catalyse des réactions redox." Thesis, Nancy 1, 2011. http://www.theses.fr/2011NAN10028/document.
Full textProtein activity and folding can be regulated by post-translational modifications that can impact on their physiological functions. One of these is the formation/reduction of disulfide bridges. The aim of the present work is to study the structure-function relationship of protein members of the thioredoxin superfamily, the protein disulfide isomerases (PDI) and the glutathione peroxidases (Gpx).A precise biochemical study has allowed us to demonstrate that this enzyme is an efficient peroxynitrite scavenger, a new finding for this type of protein and allowed investigating several steps of the Gpx5 catalytic mechanism (i.e. sulfenic acid formation, structural changes between reduce dand oxidized forms, Trx-mediated recycling). We also demonstrate that the dimer form of Gpx5 is not absolutely required for peroxide reduction but probably involved in peroxide specificity. Finally, the capability of the peroxidatic cysteine to be overoxidized brings some new clues in favor of an additional signaling function for Gpx5.Concerning PDIs, a detailed phylogenetic analysis of photosynthetic organisms allowed us to identify 9 classes of PDIs and to propose a new nomenclature that fits all these organisms. The biochemical characterization of isoforms of interest has allowed us to highlight some specificity of PDI-L1a and PDI-M in terms of reduction or oxidation reactions catalyzed. A detailed analysis of PDI-M isoform also indicates that the two Trx modules of this protein show differential oxidation or reduction capacities. We could not detect any activity for PDI-A isoforms, leaving us to wonder whether this enzyme is simply active or possesses highly specific protein partners
Noblanc, Anaïs. "Contrôle des dommages oxydants au noyau spermatique : Apports des modèles murins knock-out pour des glutathion peroxydases." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2013. http://tel.archives-ouvertes.fr/tel-00910253.
Full textVignon, Christine. "Contrôle du métabolisme oxydatif des cellules leucémiques par le microenvironnement médullaire." Thesis, Tours, 2011. http://www.theses.fr/2011TOUR3315.
Full textStudies in animal models have demonstrated that oxidative metabolism plays an important role in normal and leukemic hematopoiesis by controlling the p38 MAPK activation. We have established that the human bone marrow CD34+CD38- cells have a very low H2O2 level and express GPX3, the gene encoding for the antioxidative enzyme gluthathione peroxidase-3 (GPx-3) which is a major determinant of the stem cell potential of hematopoietic cells. As the niche is essential for the leukemic stem cell self-renewal, we have studied the role of human primary bone marrow mesenchymal stromal/stem cells (MSCs) in regulating the axis GPx-3/H2O2/p38 MAPK in human leukemic cells and we have shown that MSCs control this axis in human KG1a leukemic cells by regulating the expression of GPx-3. These results benefited from the development of two original methods, the first one quantifying the expression of by RT-qPCR of antioxidative genes (“antioxidogram”, patent) and the second one for high resolution analysis of the cell cycle by flow cytometry
Moumen, Radouane. "Sclérose latérale amyotrophique sporadique et stress oxydatif." Caen, 2001. http://www.theses.fr/2001CAEN2067.
Full textCereser, Catherine. "Mécanismes de la cytotoxicité du thirame (disulfure de tétraméthylthiurame) vis à vis des fibroblastes cutanés humains : consommation du glutathion, processus péroxydatifs et blocage de thiol-enzymes." Lyon 1, 2002. http://www.theses.fr/2002LYO1T002.
Full textHabdous, Mohammed. "Place des glutathion S-transférases parmi les marqueurs biologiques de risques cardiovasculaires." Nancy 1, 2003. http://www.theses.fr/2003NAN12507.
Full textAberkane, Hayet. "Métabolisme oxydatif du glutathion : rôle de la gamma-glutamyltransférase et conséquences cellulaires." Nancy 1, 2002. http://www.theses.fr/2002NAN12504.
Full textBooks on the topic "Glutathion – Oxydation"
Lester, Packer, and Cadenas Enrique, eds. Biothiols in health and disease. New York: M. Dekker, 1995.
Find full textConference papers on the topic "Glutathion – Oxydation"
CIAVATTI, M., D. BLACHE, and S. RENAUD. "PRESENCE OF PEROXIDES IN PLASMA OF RATS TREATED BY ORAL CONTRACEPTIVE ENHANCING AGGREGATION OF NORMAL PLATELETS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644276.
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