Academic literature on the topic 'Voies de sécrétion'
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Journal articles on the topic "Voies de sécrétion"
Denus, Morgane, William Fargues, Aurore Filaquier, Éloïse Néel, Philippe Marin, Marie-Laure Parmentier, and Julien Villeneuve. "Sécrétion non conventionnelle." médecine/sciences 40, no. 3 (March 2024): 267–74. http://dx.doi.org/10.1051/medsci/2024013.
Full textHoflack, Bernard. "Trafic membranaire entre les voies de sécrétion et d’endocytose." Journal de la Société de Biologie 195, no. 3 (2001): 197–99. http://dx.doi.org/10.1051/jbio/2001195030197.
Full textPRUNIER, A. "Influence de la présentation au verrat sur l’âge à la puberté des truies." INRAE Productions Animales 2, no. 1 (February 10, 1989): 65–72. http://dx.doi.org/10.20870/productions-animales.1989.2.1.4401.
Full textGachon, Frédéric. "Protéomique circadienne." Biologie Aujourd'hui 212, no. 3-4 (2018): 55–59. http://dx.doi.org/10.1051/jbio/2018025.
Full textSalhi, Sofiane, Camille Saint-Jacques, and Cédric Rafat. "Néphrotoxicité des anti-infectieux en médecine-intensive réanimation : où en sommes-nous ?" Médecine Intensive Réanimation 32, no. 2 (May 16, 2023): 209–22. http://dx.doi.org/10.37051/mir-00153.
Full textFayon, M., M. Rebola, P. Berger, S. Daburon, O. Ousova, A. Labbé, and R. Marthan. "La sécrétion accrue de « leukaemia inhibitory factor » par les cellules musculaires lisses immatures des voies aériennes augmente la signalisation calcique intracellulaire." Revue Française d'Allergologie et d'Immunologie Clinique 46, no. 6 (October 2006): 592–93. http://dx.doi.org/10.1016/j.allerg.2006.09.017.
Full textCHILLIARD, Y., A. FERLAY, and M. DOREAU. "Contrôle de la qualité nutritionnelle des matières grasses du lait par l’alimentation des vaches laitières : acides gras trans, polyinsaturés, acide linoléique conjugué." INRAE Productions Animales 14, no. 5 (December 17, 2001): 323–35. http://dx.doi.org/10.20870/productions-animales.2001.14.5.3758.
Full textCHILLIARD, Y. "Avant-propos." INRAE Productions Animales 12, no. 4 (September 1, 1999): 247. http://dx.doi.org/10.20870/productions-animales.1999.12.4.3884.
Full textGUILLOTEAU, P., I. LE HUËROU-LURON, J. QUILLET, and R. TOULLEC. "Les sécrétions digestives et leur régulation chez le jeune veau préruminant." INRAE Productions Animales 7, no. 2 (April 24, 1994): 85–95. http://dx.doi.org/10.20870/productions-animales.1994.7.2.4159.
Full textPerron, H. "La voie des rétrovirus humain endogènes, un espoir thérapeutique dans la schizophrénie." European Psychiatry 30, S2 (November 2015): S25. http://dx.doi.org/10.1016/j.eurpsy.2015.09.077.
Full textDissertations / Theses on the topic "Voies de sécrétion"
Ehre, Camille. "Régulation de la sécrétion de mucus par les cellules mucosécrétrices des voies respiratoires." Paris 6, 2004. http://www.theses.fr/2004PA066105.
Full textChapeton, Montes Julie Andrea. "Caractérisation des voies alternatives de sécrétion des protéines S100A8/A9 et S100A12 par les neutrophiles humains." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/26156.
Full textAlthough S100A8/A9 (calprotectin) and S100A12 proteins expressed by neutrophils lack a signal peptide, they are found in the serum of patients with various inflammatory diseases. However, the mechanisms of secretion and the agonists that promote their secretion are still unknown. We hypothesized that several alternative secretory pathways and several agonists of neutrophils may participate in the release of S100A8/A9 and S100A12 protein. Initially, we studied the stimuli inducing the secretion of calprotectin and / or S100A12. In a second part, we were interested in signals and alternative mechanisms of secretion involved in the release of the calprotectin and S100A12. In conclusion, this study shows the complexity of alternative secretion pathways involved in S100 secretion and that these pathways are influenced by the activation of neutrophils by various agonists.
Ruffin, Manon. "Caractérisation du canal chlorure ANO1 au niveau pulmonaire dans la mucoviscidose et étude de son implication dans la réparation de l’épithélium des voies aériennes." Paris 6, 2013. http://www.theses.fr/2013PA066167.
Full textCystic fibrosis (CF) airway epithelium is constantly subjected to injury events due to chronic infection and inflammation. CF airway epithelium repair is abnormal and induces a tissue remodeling which contributes to the lung function decline of CF patients. To offset the CFTR chloride (Cl-) channel deficiency in CF, it has been proposed to activate an alternative route for Cl- secretion. In 2008, ANO1 (anoctamin 1) protein has been identified as responsible of Ca2+-activated Cl- conductance (CaCC). ANO1 has not been characterized in CF airways but recent evidence indicates a role for ANO1 in proliferation and migration of tumor cells. Thus, our main objectives were to study ANO1 in non-CF and CF airway and to assess ANO1 involvement in airway epithelial repair We first showed that cell proliferation and migration during repair are delayed in CF compared to non-CF bronchial epithelial cells. We then established that ANO1 Cl- channel activity was significantly decreased in CF compared to non-CF bronchial epithelial cells. To explain this decrease in CF cells, we compared ANO1 expression in non-CF and CF bronchial epithelial cell lines, primary cells, airways of wild-type and F508del mice and lung explants from non-CF and CF patients. In all these models, ANO1 expression was markedly lower in CF compared to non-CF. Finally, we established that ANO1 inhibition or overexpression were associated respectively with decreases and increases in cell proliferation and migration. Taken together, our results suggest that ANO1 dysregulation contributes to abnormal CF bronchial epithelial repair and secondly, that ANO1 correction may improve lung tissue repair in cystic fibrosis patients
Bernard, Karen. "Identification et caractérisation de modulateurs de la sécrétion d'ions chlorure dans différents modèles cellulaires de l'épithélium bronchique humain." Nice, 2004. http://www.theses.fr/2004NICE4022.
Full textThe airway epithelium secretes salt and fluid to maintain the optimal of the airway surface liquid. The CFTR CL-channel role in these transports is crucial as underlined by the discovery of CFTR gene mutations, which are responsible for the cystic fibrosis disease. A therapeutic approach would be to stimulate the activity of alternatives CL-channels to overcome the loss of functional CFTR. The aim of this study was to clarify the mechanisms underlying the regulation of these secretion pathways. This work shows the key role of SK4 channels in modulating airway epithelium CL-secretion. Their opening at the basolateral membrane of epithelial cells creates the driving force for CL-transport. In addition, their preferential location at the apical site of the goblet cells, which secrete mucins, suggest a specific role of these channels in this cellular population subtype. NACL transport of airways is under control of various factors such as neurotransmitters and extracellular nucleotides. This study is the first to report the stimulation of CL-seretion of a human bronchial epithelial cell line by neuropeptides belonging the arginin vasopressin family. The induced response is mediated by V1 and V2 receptors to vasopressin and the stimulated effectors are CFTR and SK4 channels. The stimulation of basolateral transporter activity us also supposed. This work also underlines the importance of purinergic P2Y6 receptors in the stimulation of anion secretion of the cellular models used in this study
Vilmont, Valérie. "Nouvelles voies de régulation des localisations intra- et extra-cellulaires de la protéine FADD." Thesis, Paris 5, 2013. http://www.theses.fr/2013PA05T003.
Full textThe FADD protein (Fas associated death domain) is the key adaptor molecule of the apoptotic signaling pathway triggered by death receptors of the TNF (Tumor necrosis factor) superfamily. During the last decade, it became obvious that, in addition to its major role in cell death, the protein was also involved in other biological processes like the embryonic development, the immune response or even cell cycle progression. Evidence also showed that the protein sub-cellular localization was a key determinant to its functions. Therefore, the identification of underlying regulatory mechanisms dictating FADD expression was of significant importance. In 2008 our laboratory identified, in a thyroid murine model, a new mechanism controlling FADD expression, namely via secretion. We discovered that the loss of FADD expression from tumor cells, by secretion, could be correlated to cancer aggressiveness as well as inflammation (Tourneur 2012). The goal of this thesis work was to apprehend the mechanism by which FADD was secreted and determine, in that case, the modalities of this regulation. A third objective of this work was to identify new potential regulatory pathways of FADD expression. By means of a human cell line model, we showed that, similarly to the mouse model, the expression of human FADD could be regulated via unconventional secretion. In parallel to the characterization of the secretory process itself, we demonstrated that secretion could be negatively regulated by the anti-apoptotic kinase CK2 (casein kinase 2). Finally, we showed that CK2 could regulate FADD nuclear localization via a regulatory sub-unit-dependent phosphorylation and that FADD and CK2 could directly interact. These results are the first to demonstrate that human FADD expression could be regulated via secretion and that FADD sub-cellular localization could be modulated by CK2. The consequences of such regulation with regards to known FADD functions are discussed
Senta, Helena. "L'étude des voies de sécrétion des cellules AtT20 l'association amylase d'orge et calreticuline dans le trafic distal de la glycoprotéine." Thèse, Université de Sherbrooke, 2008. http://hdl.handle.net/11143/5834.
Full textPorras, Grégory. "Implication conditionnelle des récepteurs sérotoninergiques dans le contrôle de l'activité des voies dopaminergiques nigro-striée et méso-accumbale chez le rat." Bordeaux 2, 2002. http://www.theses.fr/2002BOR20951.
Full textLian, Yen-Ling. "Mechanisms of retrograde transport from Golgi apparatus to endoplasmic reticulum." Electronic Thesis or Diss., Université Paris sciences et lettres, 2022. http://www.theses.fr/2022UPSLS067.
Full textMammalian cells are characterized by the co-existence of multiple pathways, including anterograde and retrograde transport. The Golgi apparatus has a central role in processing and sorting cargos in the bi-directional trafficking. The Retention Using Selective Hooks (RUSH) system allows to synchronize the transport of cargos from the ER to downstream compartments and to systematically analyze the secretory routes. Owing to the interaction of streptavidin (Str) and streptavidin-binding peptide (SBP), the reporter protein can be retained in the ER and then released by the addition of biotin. However, biotin has a high affinity to streptavidin, impairing reversibility of the RUSH assay. With the Artificial Ligands of Streptavidin (ALiS), Golgi-to-ER retrograde transport can be monitored using RUSH upon their washout.The reversible RUSH assay was firstly set up to study two mechanisms of Golgi-to-ER retrograde transport, including the KDEL-mediated retrieval pathway and the glycosylation enzyme recycling pathway. Core streptavidin fused with the ER-retention signal (Str-KDEL), or with the invariant chain (Ii-Str) were used as hooks. Golgi-resident enzymes, ManII* (Mannosidase II)-SBP-EGFP or ST* (Sialyltransferase)-SBP-GFP served as Golgi-targeted RUSH reporters. Our kinetic analysis showed that the Golgi-to-ER transport of ManII* and ST* are both slower through the glycosylation enzyme recycling pathway than the KDEL-meditated retrieval pathway. To characterize the role of putative regulatory factors in KDEL-mediated retrograde transport, we performed RNAi experiments targeting to COG3 and Rab6. Our data showed that knockdown of COG3 resulted in delayed retrograde transport of ManII* and ST*, and the depletion of Rab6 led to impaired trafficking of ST*, consistent with the previous studies. Our data indicated that there are two distinct pathways regulating the retrograde transport of Golgi cargos, including KDEL-mediated ER retrieval and ER recycling of Golgi glycosylation enzymes.Lastly, we have generated endogenous tagged Golgi glycosylation enzymes using CRISPR-Cas9 or CRISPaint knock-in approaches and applied the reversible RUSH assays in the selected clones. The subcellular distribution of endogenous ManIIEN-SBP-mNeonGreen, GalNAc-T1EN-SBP-mNeonGreen and B4GalT1EN-SBP-EGFP were detected in Golgi, and we were able to synchronize the bidirectional transport through the expression of Str-KDEL
Allombert, Julie. "Rôles des voies de signalisation à di-GMP cyclique chez Legionella pneumophila." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10161/document.
Full textLegionella pneumophila is a bacterium that proliferates in fresh water environments through the replication within amoebas. These bacteria can persist in these environments through biofilm formation. The inhalation of aerosolized contaminated water through hot water systems or cooling towers can induce the infection of human lungs, leading to a severe pneumonia called legionellosis. Cyclic di‐GMP (c‐di‐GMP) in involved, in various bacterial species, in the motility‐to‐sessility transition, and in some pathogens, in virulence control. My work aims to demonstrate the involvement of signaling pathways that use c‐di‐GMP in virulence control and biofilm formation of L. pneumophila. This involvement was investigated by systematically inactivating each gene encoding a c‐di‐GMP‐metabolizing enzyme in L. pneumophila Lens strain. Our work revealed that 3 of these proteins, Lpl0780, Lpl0922 and Lpl1118 are specifically involved in virulence control and, particularly, in the early survival during host cell infection through the orchestration of virulence factors secretion within host cell. Lpl1118 is particularly required for replicative vacuole biogenesis. Five other proteins, participate in the formation and architecture of biofilms. One of them is more specifically involved in biofilm formation in the presence of nitric oxide. These results help to better understand the complexity and the specificity of c‐di‐GMP signaling pathways in L. pneumophila and should allow the exploration of more effective ways to fight this pathogen
Estupina, Corinne. "Effets du cycle sexuel, du stress aigu et de composés stéroi͏̈diens sur la sécrétion et la synthèse de la somatostatine hypothalamique : implication des voies glutamatergiques et gabaergiques." Montpellier 1, 1997. http://www.theses.fr/1997MON1T008.
Full textConference papers on the topic "Voies de sécrétion"
Lafont, J., J. H. Catherine, M. Lejeune, U. Ordioni, R. Lan, and F. Campana. "Manifestations buccales de la sclérose tubéreuse de Bourneville." In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603014.
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