Academic literature on the topic 'Modifications post-traductionnelles'
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Journal articles on the topic "Modifications post-traductionnelles"
Pouliot, JF, and R. Béliveau. "Modifications post-traductionnelles des protéines par les lipides." médecine/sciences 10, no. 1 (1994): 65. http://dx.doi.org/10.4267/10608/2481.
Full textDelcourt, Nicolas. "Quand la protéomique s’attaque aux modifications post-traductionnelles…" médecine/sciences 23, no. 2 (February 2007): 219–20. http://dx.doi.org/10.1051/medsci/2007232219.
Full textGachon, Frédéric. "Protéomique circadienne." Biologie Aujourd'hui 212, no. 3-4 (2018): 55–59. http://dx.doi.org/10.1051/jbio/2018025.
Full textLeblanc, Virginie, and Pierre May. "Activation et modifications post-traductionnelles de p53 après dommage de l’ADN." médecine/sciences 18, no. 5 (May 2002): 577–84. http://dx.doi.org/10.1051/medsci/2002185577.
Full textDubois, E., C. Cieniewski-Bernard, P. Mulder, H. Drobecq, C. Flahaut, C. Thuillez, P. Amouyel, V. Richard, and F. Pinet. "L002 Étude des modifications post-traductionnelles des protéines contractiles lors du remodelage ventriculaire gauche post-infarctus." Archives of Cardiovascular Diseases 102 (March 2009): S118. http://dx.doi.org/10.1016/s1875-2136(09)72417-9.
Full textPoulard, Coralie, Katia Bouchekioua-Bouzaghou, Stéphanie Sentis, Laura Corbo, and Muriel Le Romancer. "Les modifications post-traductionnelles orchestrent l’action du récepteur des œstrogènes εRα dans les tumeurs mammaires." médecine/sciences 26, no. 6-7 (June 2010): 636–40. http://dx.doi.org/10.1051/medsci/2010266-7636.
Full textGroslambert, Marine, and Bénédicte F. Py. "NLRP3, un inflammasome sous contrôle." médecine/sciences 34, no. 1 (January 2018): 47–53. http://dx.doi.org/10.1051/medsci/20183401013.
Full textKyalu Ngoie Zola, Nathalie, Clémence Balty, Didier Vertommen, and Bernard Jimmy Hanseeuw. "Des modifications post-traductionnelles de la protéine tau soluble distinguent la maladie d’Alzheimer des autres tauopathies." médecine/sciences 40, no. 4 (April 2024): 328–31. http://dx.doi.org/10.1051/medsci/2024032.
Full textSadoul, Karin, Clotilde Joubert, Sophie Michallet, Elsie Nolte, Lauralie Peronne, Sacnicté Ramirez-Rios, Anne-Sophie Ribba, and Laurence Lafanechère. "Déchiffrage du code tubuline." médecine/sciences 34, no. 12 (December 2018): 1047–55. http://dx.doi.org/10.1051/medsci/2018295.
Full textLacombe, C., V. Untereiner, M. Manfait, G. D. Sockalingum, and R. Garnotel. "P050 Implication des modifications post-traductionnelles du collagène de type I dans la physiopathologie de la galactosémie congénitale." Cahiers de Nutrition et de Diététique 46 (December 2011): S76—S77. http://dx.doi.org/10.1016/s0007-9960(11)70134-1.
Full textDissertations / Theses on the topic "Modifications post-traductionnelles"
Schaeffer, Étienne. "Etude des modifications post-traductionnelles de la protéine ATF7." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAJ017/document.
Full textThe objective of this thesis work was is the study of post-translationnal modifications (PTM) of the protein ATF7. This protein is phosphorylated on several threonine (T) residues upon stress (UVs, osmotic chock). This allows the protein to be transcriptionally active. In the absence of stress, a fraction of the protein is sumoylated resulting in an inhibition of its transcriptional activity. The first project raise to the development of tools that will enable the study of the sumoylated form of ATF7 protein. This work raise to the development of tetrameric bispecific scFv possessing a simultaneously recognizing ability of the proteins ATF7 and SUMO1. The other main project was the study of ATF7 T112 phosphorylation in the absence of stress. The experiments drove in the lab have shown that thus threonine is phosphorylated during mitosis by a specific pathway, which includes the CDK1
Blouquit, Yves. "Contribution à l'étude des modifications post-traductionnelles de l'hémoglobine humaine." Paris 12, 1992. http://www.theses.fr/1992PA120005.
Full textLarbret, Frédéric. "Impact des modifications post-traductionnelles sur la dynamique du cytosquelette." Electronic Thesis or Diss., Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4044.
Full textActin, microtubules, and intermediate filaments compose three major cytoskeletal structures of vertebrate cells that are characterized by highly dynamic balances between assembly and de-assembly, underlying critical cellular processes such as mitosis, architecture and movement. Consequently, cytoskeleton dysfunctions have been implicated in several pathological situations including cell transformation and metastasis. Thus, cytoskeletal networks represent major targets for the development of novel anti-cancer and anti-metastatic therapies. However, drug development is currently limited by the availability of high-throughput screening systems allowing the simultaneous monitoring of actin, microtubules and intermediate filaments dynamics in living cells. In this work, we have developed a novel screening assay of cytoskeleton dynamics based on the simultaneous recording by flow cytometry of FRET signals produced by the variation of actin, tubulin and vimentin filaments dynamics in living cells. Our novel method was employed to screen a mini-library of drugs known for their ability to interfere with post-translationnal modifications of proteins. Interestingly, our approach revealed that compounds interfering with lysine acetylation have a dramatic impact on vimentin filaments assembly and microtubules polymerization. In addition, two inhibitors (WP1130 and b-AP15) of deubiquitinating enzymes showed increase of actin polymerization. This effect was attributed to poly-ubiquitnation of Destrin, an actin binding protein. In conclusion, our FRET multiplex flow cytometry assay represents a novel effective method for the future development of new anti-cancer therapies
Larbret, Frédéric. "Impact des modifications post-traductionnelles sur la dynamique du cytosquelette." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4044.
Full textActin, microtubules, and intermediate filaments compose three major cytoskeletal structures of vertebrate cells that are characterized by highly dynamic balances between assembly and de-assembly, underlying critical cellular processes such as mitosis, architecture and movement. Consequently, cytoskeleton dysfunctions have been implicated in several pathological situations including cell transformation and metastasis. Thus, cytoskeletal networks represent major targets for the development of novel anti-cancer and anti-metastatic therapies. However, drug development is currently limited by the availability of high-throughput screening systems allowing the simultaneous monitoring of actin, microtubules and intermediate filaments dynamics in living cells. In this work, we have developed a novel screening assay of cytoskeleton dynamics based on the simultaneous recording by flow cytometry of FRET signals produced by the variation of actin, tubulin and vimentin filaments dynamics in living cells. Our novel method was employed to screen a mini-library of drugs known for their ability to interfere with post-translationnal modifications of proteins. Interestingly, our approach revealed that compounds interfering with lysine acetylation have a dramatic impact on vimentin filaments assembly and microtubules polymerization. In addition, two inhibitors (WP1130 and b-AP15) of deubiquitinating enzymes showed increase of actin polymerization. This effect was attributed to poly-ubiquitnation of Destrin, an actin binding protein. In conclusion, our FRET multiplex flow cytometry assay represents a novel effective method for the future development of new anti-cancer therapies
Benchabane, Meriem. "Modifications post-traductionnelles d'une serpine humaine recombinante exprimée chez les plantes." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24868/24868.pdf.
Full textGuellich, Aziz. "Rôle des modifications post-traductionnelles des protéines contractiles dans l'insuffisance cardiaque." Paris 7, 2007. http://www.theses.fr/2007PA077239.
Full textHeart failure (HF) is a generalized myopathy. Post-translational modifications of contractile proteins, in particular those of myosin, are one of the potential mechanisms responsible of heart and peripheral muscle dysfunction observed during HF. Down regulation of PPARa during cardiac hypertrophy and HF has been reported. However, precise effects of PPARa deficiency on cardiac contractile function and on oxidative stress were never studied. In this work, we have demonstrated that PPARa⁻/⁻ mice present a cardiac contractile dysfunction reflected by a decrease in i) fractional shortening observed by echocardiography, ii) intrinsic mechanical performance obtained by the study of papillary muscle mechanics, iii) myosin mechanical properties using in vitro motility assays. Such alterations seem to be related to myosin nitration. MnSOD expression and activity drop observed in this model could be responsible of this nitration. Increase in myosin carbonylation was also detected in rat diaphragm and soleus in a model of HF induced by pressure overload. These modifications are responsible, at least in part, of myosin mechanical properties alteration and of intrinsic mechanical performance abnormalities at the level of the organ. Study of apoptosis dependent post-translational modifications of contractile proteins had rule out the possibility of the implication of their cleavage by the effector enzyme caspase-3. Its active form and activity were not detected in this case. In conclusion, this work demonstrates that myosin oxidation is involved in the cardiac contractile dysfunction of PPARa ⁻/⁻ mice and in the peripheral muscles contractile alteration during HF
Benchabane, Meriem. "Modifications post-traductionnelles d’une serpine humaine recombinante exprimée chez les plantes." Rouen, 2007. http://www.theses.fr/2007ROUES020.
Full textPlants represent interesting production platforms for recombinant proteins. Protein post-translational modifications however, may not be adequate, with a possible negative impact on their commercial value. To assess this problem, we expressed human α1-antichymotrypsin (AACT), a glycosylated serine protease inhibitor, in cultured BY2 tobacco cells. The inhibitor was targeted to different subcellular compartments to assess the impact of cellular destination on its stability and glycosylation. Our results showed that AACT entering the secretory pathway was readily processed to lower molecular weight forms resulting from glycan maturation and proteolytic processing. Intriguingly, cytosolic expression generated more stable proteins, although not glycosylated, that accumulated mostly in the nucleus. We further demonstrated that mutation of AACT DNA binding site partially altered the nucleus distribution, thus suggesting a role of this DNA binding in nuclear retention
Dubois, Emilie. "Modifications post-traductionnelles des protéines contractiles cardiaques : nouveaux biomarqueurs du remodelage ventriculaire post-infarctus." Phd thesis, Université du Droit et de la Santé - Lille II, 2010. http://tel.archives-ouvertes.fr/tel-00580405.
Full textPeugnet, Victoriane. "Modifications post-traductionnelles de la protéine superoxyde dismutase 2 dans le coeur." Thesis, Lille, 2021. https://pepite-depot.univ-lille.fr/ToutIDP/EDBSL/2021/2021LILUS010.pdf.
Full textNowadays, cardiovascular diseases remain a main public health issue in developed countries. Especially, left ventricular remodeling concerns 30% of patients after myocardial infarction and can lead to heart failure. Left ventricular remodeling and heart failure are associated with oxidative stress, contributing to structural and functional modifications of the heart. The aim of my PhD thesis was to study post-translational modifications of the mitochondrial anti-oxidant enzyme superoxide dismutase 2 (SOD2), especially its acetylation that inactivates it, in the pathophysiological context of cardiovascular diseases.I showed that cardiac SOD2 is inactivated by acetylation on lysin 68, contributing to mitochondrial oxidative stress and mitochondrial dysfunction. Among SIRT isoforms, the mitochondrial protein SIRT3 was identified as responsible for SOD2 deacetylation and subsequent activation, whereas protein acetyl transferase P300 could be involved in SOD2 transcriptional regulation. I also showed that SIRT3-mediated SOD2 activation protects cardiomyocytes from isoproterenol-induced oxidative stress and hypertrophy. These data allowed us to identify SOD2 as a potential molecular target in anti-oxidant therapeutic strategies.I then studied the impact of anti-oxidant molecules MitoQuinone (MitoQ, mitochondrial anti-oxidant) and EUK 134 (SOD mimetic) on cardiomyocytes. I showed that MitoQ and EUK 134 had protective effect on cardiac oxidative stress and hypertrophy. However, MitoQ is associated with mitochondrial dysfunctions and altered mitophagy in cardiomyocytes, contrary to EUK 134 that restore mitochondrial function and maintains mitophagy balance. These data highlight the key role of mitochondrial metabolism in development of anti-oxidant therapeutics
Fulcrand, Géraldine. "Rôle des modifications post-traductionnelles des histones au cours de la mitose." Rennes 1, 2009. http://www.theses.fr/2009REN1B119.
Full textBooks on the topic "Modifications post-traductionnelles"
1959-, Martin Bruce L., and Wang Jerry H, eds. Co- and post-translational modification of proteins: Chemical principles and biological effects. New York: Oxford University Press, 1994.
Find full textBook chapters on the topic "Modifications post-traductionnelles"
BIES ETHÈVE, Natacha, Séverine CHAMBEYRON, and Frédéric BANTIGNIES. "Les acteurs moléculaires de l’information épigénétique." In Épigénétique en écologie et évolution, 61–94. ISTE Group, 2024. https://doi.org/10.51926/iste.9216.ch2.
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