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Mitochondria, Liver --- Oxidative Phosphorylation --- metabolism
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Since a few years there is a renewed interest for the study of tumors metabolism. It is however know for a while that contrary to healthy cells, tumor cells prefer using glycolysis to fuel their metabolism instead of respiration. Surprisingly while hypoxia, as en-countered in most cancer, allows to easily explain this preference, aerobic glycolysis is also observed in tumors, a phenomenon known under the name of “Warburg effect”. Tumor cells find in glycolysis the source of biosynthetic material needed for their unre-strained proliferation. This work examines the determinants of the uncoupling between glycolysis and oxidative phosphorylations, with an emphasis on the current attempts to exploit tumor metabolic peculiarities for therapeutic purpose Depuis quelques années, le monde scientifique montre en regain d’intérêt pur l’étude du métabolisme tumoral. On sait toutefois depuis longtemps que par rapport à la plupart des cellules saines, les cellules tumorales préfèrent utiliser la glycolyse comme source énergétique plutôt que la respiration. Etonnamment, alors que l’hypoxie rencontrée dans de nombreuses cellules cancéreuses permet d’aisément expliquer cette préférences, la glycolyse aérobie est également observée dans les tumeurs, ce phénomène est connu sous le nom d’ »effet Warburg ». Les cellules tumorales semblent privilégier cette voie afin de pouvoir subvenir à l’énorme demande en « bio-matériel » qu’exige leur prolifération débridée. Ce mémoire s’inscrit dans ce contexte de la compréhension des intervenants du couplage entre la glycolyse et les phosphorylations oxydatives dans les tumeurs, avec un accent particulier sur les tentatives d’exploitation e ces préférences métaboliques à des fins thérapeutiques
Neoplasms --- Walker - Warburg Syndrome --- Glycosis --- Oxidative Phosphorylation
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Oxidation --- Catalysis --- Chemistry, Organic. --- Oxidation-Reduction. --- Oxidative Phosphorylation. --- Oxidation.
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Oxidation --- Catalysis --- Chemistry, Organic. --- Oxidation-Reduction. --- Oxidative Phosphorylation.
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Oxidation --- Catalysis --- Chemistry, Organic. --- Oxidation-Reduction. --- Oxidative Phosphorylation. --- Oxidation.
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General biochemistry --- Biomembranes --- Biological Transport --- Energy Transfer --- Membranes --- Oxidative Phosphorylation --- Proteins --- Membranes (Biology) --- Biological transport --- Phosphorylation --- Membranes (Biologie) --- Transport biologique --- Protéines --- metabolism --- Protéines --- Biological Transport. --- Energy Transfer. --- Oxidative Phosphorylation. --- metabolism.
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Mitochondrial pathology. --- Mitochondrial Diseases. --- Mitochondria --- pathology. --- Mitochondrial Disorders --- Mitochondrial Electron Transport Chain Deficiencies --- Mitochondrial Respiratory Chain Deficiencies --- Electron Transport Chain Deficiencies, Mitochondrial --- Oxidative Phosphorylation Deficiencies --- Respiratory Chain Deficiencies, Mitochondrial --- Deficiencies, Oxidative Phosphorylation --- Deficiencies, Respiratory Chain --- Deficiency, Oxidative Phosphorylation --- Deficiency, Respiratory Chain --- Disease, Mitochondrial --- Disorder, Mitochondrial --- Disorders, Mitochondrial --- Mitochondrial Disease --- Mitochondrial Disorder --- Oxidative Phosphorylation Deficiency --- Phosphorylation Deficiencies, Oxidative --- Phosphorylation Deficiency, Oxidative --- Respiratory Chain Deficiency --- Mitochondrial disorders --- Metabolism --- Pathology, Cellular --- Diseases --- Pathology --- Disorders
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Oxidation --- Catalysis --- Chemistry, Organic --- Oxidation-Reduction --- Oxidative Phosphorylation --- Oxidation. --- Phosphorylation, Oxidative --- Oxidative Phosphorylations --- Phosphorylations, Oxidative --- Redox --- Oxidation Reduction --- Organic Chemistry --- Autoxidation --- Oxidatie --- Chemistry --- General and Others
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