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Academic literature on the topic 'Altérations mitochondriales'
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Journal articles on the topic "Altérations mitochondriales"
Bonnard, C., A. Durand, S. Peyrol, E. Chanseaume, M. A. Chauvin, B. Morio, H. Vidal, and J. Rieusset. "P10 Les altérations mitochondriales résultent d’un stress oxydant dans le muscle squelettique de souris diabétiques." Diabetes & Metabolism 34 (March 2008): H45. http://dx.doi.org/10.1016/s1262-3636(08)72922-7.
Full textRat, P., M. Dutot, C. Baudouin, and J. M. Warnet. "041 Intolérance aux lentilles de contact : rôle du stress oxydant et des altérations mitochondriales induites par les solutions multifonctions." Journal Français d'Ophtalmologie 28 (March 2005): 157. http://dx.doi.org/10.1016/s0181-5512(05)74437-5.
Full textVial, G., E. Tubbs, R. Cassel, A. M. Madec, M. A. Chauvin, H. Vidal, C. Thivolet, and J. Rieusset. "P2124 Interrelation entre les altérations mitochondriales et le stress du réticulum endoplasmique dans la cellule β pancréatique en situation de lipotoxicité." Diabetes & Metabolism 39 (March 2013): A97. http://dx.doi.org/10.1016/s1262-3636(13)72034-2.
Full textBlot, M., M. Jacquier, L. Pauchard, D. Croisier, D. Bensoussan, L. Reppel, and P. Charles. "Les cellules souches/stromales mésenchymateuses améliorent le pronostic et corrigent les altérations immunes et mitochondriales au cours de la pneumopathie à pneumocoque ventilée." Médecine et Maladies Infectieuses 50, no. 6 (September 2020): S164—S165. http://dx.doi.org/10.1016/j.medmal.2020.06.352.
Full textBéréziat, V., P. Cervera, M. C. Verpont, C. Le Dour, B. Antuna-Puente, S. Dumont, L. M. Somja-Azzi, M. C. Vantyghem, J. Capeau, and C. Vigouroux. "O103 Le tissu adipeux des patients lipodystrophiques porteurs de mutations des lamines A/C présente des remaniements fibrotiques et des altérations mitochondriales en absence d’inflammation." Diabetes & Metabolism 35 (March 2009): A27. http://dx.doi.org/10.1016/s1262-3636(09)71795-1.
Full textDe la SRLF, CRT, Peter Radermacher, Mehdi Oualha, Laure Stiel, Jolien Vandewalle, Youenn Jouan, Eric Fontaine, et al. "Le métabolisme énergétique au cours des états critiques : actes du 8ème Séminaire de Recherche Translationnelle de la Société de Réanimation de Langue Française (Paris, 2 décembre 2022)." Médecine Intensive Réanimation 32, no. 4 (December 22, 2023): 417–28. http://dx.doi.org/10.37051/mir-00184.
Full textTchikviladzé, M., M. Gilleron, T. Maisonobe, P. Laforêt, A. Dürr, C. Jardel, and A. Lombès. "Altération du gène de la polymérase gamma de l’ADN mitochondrial (POLG) en pathologie neurologique." Revue Neurologique 169 (April 2013): A20—A21. http://dx.doi.org/10.1016/j.neurol.2013.01.041.
Full textTchikviladzé, M., M. Gilleron, T. Maisonobe, P. Laforêt, A. Dürr, C. Jardel, and A. Lombès. "Altération du gène de la polymérase gamma de l’ADN mitochondrial (POLG) en pathologie neurologique." Revue Neurologique 169 (April 2013): A226. http://dx.doi.org/10.1016/j.neurol.2013.01.550.
Full textSEYER, P., S. GRANDEMANGE, L. PESSEMESSE, F. CASAS, G. CABELLO, and C. WRUTNIAK-CABELLO. "L’activité mitochondriale est un régulateur majeur de la différenciation des myoblastes et de l’expression des isoformes de myosine." INRAE Productions Animales 19, no. 4 (September 13, 2006): 279–86. http://dx.doi.org/10.20870/productions-animales.2006.19.4.3495.
Full textAndre, L., O. Cazorla, C. Feillet-Coudray, S. Richard, A. Lacampagne, and J. Fauconnier. "C009 Perte du gradient transmural de la fonction mitochondriale et altération du couplage excitation-contraction dans l’insuffisance cardiaque ischémique." Archives of Cardiovascular Diseases 102 (March 2009): S29—S30. http://dx.doi.org/10.1016/s1875-2136(09)72196-5.
Full textDissertations / Theses on the topic "Altérations mitochondriales"
Larosche, Isabelle. "Altérations du génome mitochondrial et des fonctions mitochondriales induites par l'alcool et le tamoxifène." Paris 5, 2008. http://www.theses.fr/2008PA05P604.
Full textMitochondrial impairment and mitochondrial DNA (mtDNA) lesions contribute to xenobiotic-induced liver lesions. The aim of this study was to evaluate the toxic effects of tamoxifen and alcohol on hepatic mitochondria and to assess the modulating role of manganese superoxide dismutase overexpression (MnSOD) on ethanol-induced mitochondrial damage. We showed that tamoxifen accumulates inside mitochondria, inhibits topoisomérases and alters mtDNA replication leading to a progressive depletion of mtDNA. This decrease in mtDNA levels was associated with the inhibition of mitochondrial respiration and β-oxidation of fatty acids and the development of hepatic steatosis. In the second part, we showed that transgenic mice overexpressing MnSOD are more prone to alcohol-induced mitochondrial damage than wild type mice, probably because of enhanced formation of H202, hydroxyl radical and lipid peroxidation products. Our results show the implications of mitochondrial lesions in tamoxifen-induced steatosis as well as the negative effect of MnSOD overexpression on mitochondrial functions during chronic alcohol consumption
Chiappini, Franck. "Etude des altérations mitochondriales dans la stéatose et la cancérogenèse hépatique." Paris 11, 2005. http://www.theses.fr/2005PA11T088.
Full textHassoun, Sidi Mohamed. "Dysfonction myocardique septique : conséquences des altérations de l'homéostasie calcique et mitochondriales." Lille 2, 2008. http://www.theses.fr/2008LIL2S030.
Full textKane, Mariame Selma. "Etude des altérations mitochondriales dans les neuropathies optiques associées aux mutations du gêne OPA1." Thesis, Angers, 2016. http://www.theses.fr/2016ANGE0075.
Full textAutosomal dominant optic atrophy (ADOA) is a rare mitochondrial disease. Retinal ganglion cells (RGCs) and axons that form the optic nerve degenerate, resulting in progressive visual loss. This hereditary neuropathy is linked to mutations of the OPA1 gene. Various alterations of the central nervous system, peripheral and autonomous have been reported in syndromic ADOA patients with variation in age of onset and severity. The mitochondrial protein OPA1 is involved in mitochondrial fusion, cristae constriction and mitochondrial genome maintenance. The conjunction of disturbed mitochondrial dynamics, mtDNA instability and impaired mitochondrial oxidative phosphorylation precipitate RGCs and other neuronal cells death. The use of ADOA patients’ fibroblasts allows the pathophysiology study of different OPA1 mutations. Biochemical characterization and fluorescent microscopy allowed the isolation of syndromic ADOA patients with mitochondrial network defects and mitochondrial uncoupling. We showed an alteration of mtDNA compaction and nucleoids’ distribution. A study of the autophagic pathways in OPA1-mutated cells showed a correlation between partial uncoupling and an increased mitophagy response. These pathophysiological mechanisms are consistent with the progressive aspect of ADOA. The search for therapeutic approaches highlighted the beneficial effect of tubacine, a specific histone deacetylase’s inhibitor, on OPA1-mutated-cells’ phenotype. Microtubules hyper-acetylation led to a reversal of mitochondrial network phenotype, an increased mitochondrial biogenesis and a tighter mitochondrial coupling
Fayet, Guillemette. "Vieillissement du tissu musculaire squelettique : données morphométriques nouvelles et analyse des altérations mitochondriales." Paris 6, 2002. http://www.theses.fr/2002PA066138.
Full textEl, Hajj Hammam. "Altérations mitochondriales et processus inflammatoire dans la déficience en acyl- Coenzyme A oxydase 1 peroxysomale." Phd thesis, Université de Bourgogne, 2012. http://tel.archives-ouvertes.fr/tel-00995795.
Full textOvide-Bordeaux, Stephanie. "Prévention par modulation de l'homéostasie membranaire des altérations mitochondriales cardiaques induites par l'insulino-dépendance et l'hyperinsulinémie." Paris 7, 2004. http://www.theses.fr/2004PA077133.
Full textBaati, Narjes. "Le métabolisme lipidique dans les altérations mitochondriales induites par l’absence de myostatine : impact de l’entrainement en endurance." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONT4002/document.
Full textMyostatin (mstn) inactivation or inhibition is considered as a promising treatment for various muscle-wasting disorders because it promotes muscle growth. However, mstn-deficient hypertrophic muscles show strong fatigability associated with abnormal mitochondria and lipid metabolism. Muscle membrane maintains the structure and the metabolic function of the fibre, and mitochondrial membrane including respiratory chain complexes, are composed mainly of lipids and phospholipids playing functional role in mitochondrial bioenergetics. In our study, we hypothesized first that changes in the muscle and mitochondrial lipid composition could exist in the KO mstn muscle, in relation with the metabolic and functional alterations, secondly that endurance training can normalize these phenotypic muscle alterations. We reported in KO mstn muscles a decrease of fat membrane transporter levels (FAT/CD36, FABP3, FATP1 and FATP4) associated with decreased lipid oxidative pathway (citrate synthase and βHAD activities) and decreased lipogenesis (decreased triglyceride and free fatty acids content). Interestingly, we demonstrated a decrease in mitochondrial cardiolipin content, in relation with a decrease in PGPS and CRLS1 gene expressions. Then, we showed in KO mstn mice that 4 weeks of daily running exercise session (65-70% of the maximal aerobic speed for 1 hour) improved significantly aerobic performance, particularly the endurance to levels comparable to those of trained wild type littermates.The expression of oxidative and lipid metabolism markers also was increased, as indicated by the upregulation of the Cpt1, Ppar, Fas genes, and increased citrate synthase level and mitochondrial protein content in KO mstn muscle. Interestingly, mitochondrial enzyme activity and the cardiolipin fraction in the mitochondrial membrane are increased by training only in KO mstn mice. In conclusion, these results suggest that the combination of mstn inhibition and endurance training could increase the muscle mass while preserving the physical performance. In addition, cardiolipin and lipid-related pathways could represent new targets to improve mstn-deficient muscle metabolism and restore mitochondrial function
Servais, Stéphane. "Altérations mitochondriales et stress oxydant pulmonaire en réponse à l'ozone : Effets de l'âge et d'une supplémentation en oméga-3." Phd thesis, Université Claude Bernard - Lyon I, 2004. http://tel.archives-ouvertes.fr/tel-00012031.
Full textTarhuni, Arige. "Rôles respectifs des polymorphismes génétiques des cytokines proinflammatoires et des altérations mitochondriales dans les complications de la cirrhose : carcinome hépatocellulaire et sepsis." Paris 7, 2014. http://www.theses.fr/2014PA077235.
Full textThe goals of my thesis are to study the roles of genetic polymorphisms (SNPs) in the proinflarnmatory cytokines genes and the mitochondrial alterations in two complications of cirrhosis: HCC and sepsis, respectively. We have investigated the influence of TNFa (G -238A, C-863A, G-308A), IL6 (C -174G), and IL1f3 (C-31T, C-511T) SNPs on the development of HCC in 485 patients with cirrhosis prospectively. Thanks to Kaplan-Meier method the allele A of TNFa-308 SNP is the only independent genetic trait associated with the risk of CHC in these patients, as well as advanced age, male sex, the body mass index and blood platelets. These variables have enabled us to establish a predictive score for classifying patients with viral hepatitis C in 3 sub-groups with a progressive increase of the cumulative impacts to 5 years survivals. When These genetic data are incorporated into clinical scores,they are able to refine selection of risk classes of HCC. Energy deficit was described in sepsis, but the mechanism is unknown. We thus treated normal mice (WT) and transgenic mice overexpressing the manganese superoxide dismutase (MnSOD+++) by LPS. In WT mice, LPS induces mitochondrial oxidative stress and inducible NO synthase (iNOS), increases plasma TNF D and IL1D. The activity of complex I, mtDNA and liver ATP rates decline strongly by LPS. The depletion of mtDNA and ATP, inactivation of the complex I and increasing of ALT by LPS were prevented in MnSOD+++ or WT mice pretreated by 1400W (iNOS inhibitor), Mito-TEMPO (anion superoxide scavengers) or uric acid (respectively (peroxynitrite scavengers). Peroxynitrite is thus the culprit involved in LPS-induced mitochondrial alterations