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Academic literature on the topic 'Facteurs d'activation des macrophages'
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Journal articles on the topic "Facteurs d'activation des macrophages"
Papo, T. "Syndromes hémophagocytaires. Syndrome d'activation des macrophages." EMC - Traité de médecine AKOS 6, no. 4 (January 2011): 1–8. http://dx.doi.org/10.1016/s1634-6939(11)56293-3.
Full textTiab, M., F. Mechinaud-Lacroix, F. Gaillard, V. Praloran, J. L. Harousseau, and J. Y. Grolleau. "Syndrome d'activation des macrophages: étude rétrospective de 21 observations." La Revue de Médecine Interne 13, no. 7 (December 1992): S312. http://dx.doi.org/10.1016/s0248-8663(05)80899-9.
Full textGualde, N. "Généralités sur les facteurs macrophagiques Macrophages et allergie." Revue Française d'Allergologie et d'Immunologie Clinique 34, no. 6 (December 1994): 485–88. http://dx.doi.org/10.1016/s0335-7457(05)80393-4.
Full textRoubeix, Christophe, José-Alain Sahel, Xavier Guillonneau, Cécile Delarasse, and Florian Sennlaub. "Sur les origines inflammatoires de la DMLA." médecine/sciences 36, no. 10 (October 2020): 886–92. http://dx.doi.org/10.1051/medsci/2020159.
Full textToru-Delbauffe, D., J. M. Gavaret, C. Matricon, M. Pomerance, C. Jacquemin, and M. Pierre. "Un modèle pour l'étude de la transmission de l'information produite par certains facteurs de croissance : les mécanismes d'activation de la S6 kinase dans les astrocytes en culture." Reproduction Nutrition Développement 29, no. 6 (1989): 677–84. http://dx.doi.org/10.1051/rnd:19890606.
Full textManeglier, B., C. Rogez-Kreuz, N. Dereuddre-Bosquet, J. Martal, P. Devillier, D. Dormont, and P. Clayette. "Rôles des facteurs antiviraux cellulaires et de l’interleukine-6 dans les propriétés anti-VIH de l’IFN-tau dans des macrophages humains." Pathologie Biologie 56, no. 7-8 (November 2008): 492–503. http://dx.doi.org/10.1016/j.patbio.2008.06.002.
Full textSCHELCHER, F., O. ANDREOLETTI, G. TABOURET, C. LACROUX, G. FOUCRAS, F. EYCHENNE, P. BERTHON, P. SARRADIN, F. LANTIER, and J. M. ELSEN. "Pathogenèse des Encéphalopathies Spongiformes Transmissibles : apports du modèle ovin." INRAE Productions Animales 17, HS (December 20, 2004): 23–30. http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3619.
Full textDejemeppe, Muriel, and Bruno Van der Linden. "Numéro 40 - avril 2006." Regards économiques, October 12, 2018. http://dx.doi.org/10.14428/regardseco.v1i0.15873.
Full textDejemeppe, Muriel, and Bruno Van der Linden. "Numéro 40 - avril 2006." Regards économiques, October 12, 2018. http://dx.doi.org/10.14428/regardseco2006.04.01.
Full textDissertations / Theses on the topic "Facteurs d'activation des macrophages"
Gomes, Machado Marina. "The role of acetate in macrophage`s response against Streptococcus pneumoniae." Thesis, Université de Lille (2022-....), 2022. https://pepite-depot.univ-lille.fr/LIBRE/EDBSL/2022/2022ULILS001.pdf.
Full textShort chain fatty acids (SCFAs) are metabolites produced mainly by the gut microbiota with a known role in immune regulation. Acetate, the major SCFA, is described to disseminate to distal organs such as the lungs. Moreover, the literature supports that acetate modulates inflammation and improves bacterial clearance. Our group has previously demonstrated that acetate improves Streptococcus pneumoniae clearance in the context of a secondary post-viral infection. This protection is mediated by alveolar macrophages, the first line of pulmonary immune defense. Thus, our aim was to evaluate the effect of acetate on the killing ability of alveolar macrophages and to delineate the mechanisms involved in this response. Here we show that acetate supplementation in drinking water modulated the secretion of host defense proteins by murine pulmonary cells and led to reduced S. pneumoniae loads in the lungs. To understand the mechanisms of bacterial clearance, alveolar macrophages were used. Transcriptomic analysis (RNAseq) revealed that acetate induced a specific signature of host defense in S. pneumoniae conditioned macrophages. This associates with the improved killing ability of acetate treated macrophages mediated by nitric oxide (NO) production. Increased NO concentration triggered by acetate was dependent on augmentation of IL-1β levels. Surprisingly, IL-1β production led by acetate was neither dependent on its cell surface receptor (Free-Fatty Acid Receptor 2), nor on the enzymes responsible for its metabolism (Acetyl-CoA Synthetase 1 and 2). Alternatively, acetate enhanced the glycolytic profile of macrophages resulting in greater HIF-1α activity which culminated in higher transcription of IL-1β. Moreover, the increased secretion of IL-1β triggered by acetate relied on NLRP3 inflammasome activation. In conclusion, we unravel a new mechanism of bacterial killing by acetate-activated macrophages. We show that acetate increased IL-1β production and secretion in a mechanism dependent on the axis glycolysis/HIF-1α and NLRP3, respectively. Consequently, higher levels of IL-1β resulted in augmented NO production and improved killing ability of alveolar macrophages
Besse, Arnaud. "Etude de la production de M-CSF par les cellules stromales médullaires et les lymphocytes T." Limoges, 2000. http://www.theses.fr/2000LIMO105E.
Full textPillet, Pascal. "Syndrome d'activation macrophagique dans les maladies rhumatismales de l'enfant : intérêt de la ciclosporine." Bordeaux 2, 1995. http://www.theses.fr/1995BOR23015.
Full textFath, Isabelle. "Etude du mode d'activation des protéines RAS par les facteurs d'échange." Paris 11, 1994. http://www.theses.fr/1994PA11T045.
Full textLagente, Vincent. "Etude des effets des antagonistes du facteur d'activation des plaquettes (PAF) dans les réactions allergiques immédiates et retardées du système bronchopulmonaire." Paris 5, 1991. http://www.theses.fr/1991PA05P603.
Full textQueraux, François-Yves. "Syndrome d'activation macrophagique avec hemophagocytose : à propos de trois observations." Bordeaux 2, 1992. http://www.theses.fr/1992BOR2M024.
Full textDefossez, Pierre-Antoine. "Mécanismes d'activation transcriptionnelle par ERM, un nouveau membre de la famille ETS." Lille 1, 1996. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1996/50376-1996-326.pdf.
Full textBen, Hamida-Rebaï Meriam. "Etude du mécanisme d'activation de la petite protéine G ArF1." Paris 7, 2009. http://www.theses.fr/2009PA077042.
Full textArf1 is a member of the small-G-protein superfamily. Small G proteins are involved in various cellular functions such as signal transduction, cytoskeletal rearrangement and formation of transport vesicles. Small G proteins cycle in the cell between an inactive GDP-bound form and an active GTP-bound form. Activation of Arf1 occurs by GDP/GTP exchange. The activation reaction is catalyzed by exchange factors (GEFs) whereas inactivation is regulated by proteins of the GAP family. In our work, we used molecular dynamics simulations to better understand the mechanism of activation of Arf1 and the role of exchange factors in GDP ejection. We developed restrained molecular dynamics approaches to study GDP extraction from the Arf 1-GDP-GEF complex as well as the related conformational transition. We identified key residues and conformational changes involved during in the activation process. These methods also permitted a better understanding of the role of the magnesium ion in the mecanism of Arf1 activation. Our results showed that Mg ion stabilizes the GDP phosphates in the Arf1 binding site. In addition, it seemed to prevent the approach of critical residues in the exchange factor necessary for nucleotide ejection because of electrostatic destabilisation. It would seem to be necessary that this cation dissociate in order to permit the exchange factor to play its catalytic role in nucleotide ejection
Lhuillier, Alice. "Identification de programmes d'activation macrophagique et microgliale dans les formes progressives de la sclérose en plaques." Phd thesis, Université Claude Bernard - Lyon I, 2014. http://tel.archives-ouvertes.fr/tel-01056829.
Full textJouan, Alain. "Le complexe NADPH-oxydase producteur d'ions superoxyde des neutrophiles : étude immunochimique des facteurs cytosoliques d'activation." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10154.
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