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Academic literature on the topic 'Membranes associées aux mitochondries'
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Journal articles on the topic "Membranes associées aux mitochondries"
Mwamengele, G. L. M., and S. Larsen. "L’ultrastructure de lamicrovasculature cérébrale de chèvres infectées expérimentalement avec Cowdria ruminantium." Revue d’élevage et de médecine vétérinaire des pays tropicaux 46, no. 1-2 (January 1, 1993): 245. http://dx.doi.org/10.19182/remvt.9372.
Full textZouitene, Raouf, and Mohamed Brahimi. "Detection of anti-platelet antibodies by flow cytometry in patients with immunological thrombocytopenic purpura." Batna Journal of Medical Sciences (BJMS) 8, no. 1 (June 4, 2021): 72–76. http://dx.doi.org/10.48087/bjmsra.2021.8113.
Full textSonne, Birgitte. "La vie est un sac rempli d’air." Anthropologie et Sociétés 31, no. 3 (July 8, 2008): 15–36. http://dx.doi.org/10.7202/018374ar.
Full textBelli, Nassima, Lahouel Mesbah, Samira Chebab, Mustafa Tekouk, and Essaid Leghouchi. "Stress oxydant induit par la coexposition au plomb et au cadmium : deux contaminants des eaux souterraines de Oued Nil (Jijel - Algérie)." 23, no. 3 (October 25, 2010): 289–301. http://dx.doi.org/10.7202/044690ar.
Full textDissertations / Theses on the topic "Membranes associées aux mitochondries"
Ferraris, Pauline. "Analyses ultrastructurales et biochimiques des membranes cellulaires associées aux complexes de réplication du virus de l'hépatite C." Thesis, Tours, 2011. http://www.theses.fr/2011TOUR3311/document.
Full textAs other RNA viruses, HCV induces membrane alterations termed membranous web and its nonstructural proteins forming the viral replication complex are associated to these neo-synthesized membranes. The mechanism underlying these host cell membranes alterations is still currently unknown. To investigate this mechanism, we initially selected Huh7.5 cells clones harbouring a HCV subgenomic replicon. We were able to demonstrate the presence of a multivesicular network apparently linked to the autophagy induction mechanisms. More recently, using the cell culture-adapted HCVsystem, we better characterized this network by determining three multivesiculars vesicles structurally different subnets. This study was carried out mainly by performing electron microscopy observations,with using innovative techniques such as three-dimensional reconstruction and immunogold
Kane, 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
Dudognon, Tony. "Relations entre la structure des lipides membranaires de mitochondries et l'activité d'enzymes associées chez l'huître creuse Crassostrea gigas." Phd thesis, Université de Bretagne occidentale - Brest, 2013. http://tel.archives-ouvertes.fr/tel-00969121.
Full textIbanez, Adriana. "Analyse d'une banque d'ADNc enrichie en protéines membranaires et associées aux membranes chez Arabidopsis thaliana et recherche des gènes différentiellement exprimés en réponse à une contrainte hydrique." Toulouse 3, 2004. http://www.theses.fr/2004TOU30156.
Full textDuring evolution, plants have developed mechanisms enabling them to adapt to environnemental constraints, as water stress. At cellular level, plasma membrane is probably the site of perception and initiation of signal transduction. Membrane proteins play essential roles in water stress tolerance. At present, functional studies of plant membrane proteins are scarce. The aim of my thesis was to analyze an ordered cDNA library enriched in genes encoding membrane proteins of Arabidopsis thaliana and to identify differentially expressed genes in water stress conditions using this model plant and a macroarray approach. The first part of work included systematically sequencing of the library, clones annotation and creation of an internal database. Results show that the proportion of cDNA encoding membrane proteins is 30 % of total clones and 34 % of deduced proteins have no known function. The second part of work include the identification of differentially expressed genes involved in water stress responses. Physiological tests were performed to evaluate responses of Arabidopsis thaliana seedlings to water stress and to define the intensity of stress treatments. Two stress treatments were choosen, representing similar conditions to those met by plants in natural environnements. In order to screen the library using a macroarray approach these treatments were applied to seedlings. A moderate stress, without effect on root growth, provoked down-regulation of genes taking part in protein synthesis and cellular transport. On the other hand, a more severe stress, which causes root growth reduction, provoked up-regulation of genes taking part in general metabolism and intracellular transport. Transcriptional data show expression of genes encoding membrane proteins are affected in response to water stress. Functional analysis of genes encoding membrane proteins of unknown
Le, Grand Marion. "La protéine Akt, lien entre mitochondries et microtubules dans le mécanisme d'action des agents anti-microtubules ou quand les MTA s'invitent dans de nouvelles stratégies thérapeutiques." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM5017/document.
Full textMicrotubule-Targeting Agents (MTA) are a broad group of anticancer drugs that are currently administered in a lot of cancers. Nevertheless, they can cause undesired side effects and can lose their effectiveness as a result of resistance development. The main objective of my PhD work was to characterize the MTA’s mechanism of action in order to optimize their administration in the future. In the first part, we demonstrated the important role of the kinase Akt in MTA effects. In the second part, we evaluated the interest to combine MTA with anti-Akt drugs. We observed that MTA efficacy is highly important with Akt targeting drugs, particularly in lung adenocarcinoma. These promising results will need further explorations in order to develop more convenient cancer therapy strategies