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Academic literature on the topic 'Inflammation médiateur'
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Journal articles on the topic "Inflammation médiateur"
Burka, John F. "Histamine as a Modulator of Airway Hyperreactivity L'histamine comme médiateur de l'hyperreactivité des voies aériennes." Canadian Journal of Physiology and Pharmacology 65, no. 3 (March 1, 1987): 434. http://dx.doi.org/10.1139/y87-073.
Full textDissertations / Theses on the topic "Inflammation médiateur"
Grbic, Djordje. "Le récepteur PDY[indice inférieur 6] : un médiateur important de l'inflammation intestinale." Thèse, Université de Sherbrooke, 2013. http://hdl.handle.net/11143/6236.
Full textPépin, Marion. "Caractérisation de nouveaux médiateurs entre cancer, inflammation et thrombose : ADAMTS13, PSGL-1 et Siglec-5." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS571/document.
Full textCancer and thrombosis are frequent and serious concerns in human pathology and public health. This conditions are known to share closed relationships, and reciprocal promotion involving cellular interactions and complex molecular mechanisms. Molecular pathways often involve hemostasis or immunity actors and participate in inflammation process, which can be either cause or consequence. Improved knowledge on molecular mediators at the crossroads of hemostasis and inflammation may allow best understanding of these mechanisms and improving therapeutic management.Thus, we studied Willebrand factor / ADAMTS13 couple : a key protein in hemostasis whose rate is influenced by inflammatory processes and its regulatory protease. This study in cancer patients shows that Willebrand factor and ADAMTS13 could be used as biomarkers to predict individual thrombosis risk and thus improve therapeutic management. Precise role of this proteins in cancer-mediated thrombosis remain unexplored.Furthermore, we hypothesized an interaction between two leukocyte receptors : PSGL-1(P-selectin glycoprotein ligand-1) and Siglec-5. Leukocytes, especially neutrophils are recruited to inflammation sites after a key step of rolling along vasculature. PSGL-1 expressed on the majority of leukocytes is P-selectin ligand and plays a major role in leukocyte rolling. PSGL-1 has a structure rich in sialic acids. Siglec-5 is an immunoglobulin-like receptor and binds sialic acids. Thus, we described and characterized the interaction between these two proteins, and studied its role in leukocyte rolling in vitro and in vivo. Before considering any application, the modalities of this interaction should further analyzed (binding site, etc. ...) and its effect in other mechanism involving PSGL-1/P-selectin interaction like thrombus formation
Jean, Stéphanie. "Modulation de l'activité des neutrophiles humains par la prostaglandine E₂ glycérylester." Master's thesis, Université Laval, 2012. http://hdl.handle.net/20.500.11794/23020.
Full textEven though the anti-inflammatory impact of cannabis and its less or more purified extracts are well characterised, the functions of the main endocannabinoids (2-arachidonoyl-glycerol and arachidonyl-ethanolamide) in the regulation of inflammation are still intriguing. In fact, endocannabinoids exert pro- and anti-inflammatory effects which are, in part, explained by their complex metabolism. For example, 2-arachidonoyl-glycerol and arachidonyl-ethanolamide can both be oxidized by the cyclooxygenase-2 enzyme into prostanglandin E2-glycerylester and –ethanolamide respectively, whose effects on neutrophils are still unknown. Since neutrophils functions are affected by prostaglandin E2, we wanted to test the impacts of prostanglandin E2-glycerolester and prostanglandin E2-ethanolamide on neutrophil functions. The present study shows that, unlike prostanglandin E2-ethanolamide, prostanglandin E2-glycerolester inhibits human neutrophils functions. This inhibition is caused by the activation of EP2 and EP4 receptors and the subsequent activation of cyclic AMP-dependant protein kinase.
Tomkiewicz, Céline. "Régulation de l'expression des gènes des transaminases par les médicaments et les médiateurs de l' inflammation." Paris 5, 2001. http://www.theses.fr/2001PA05P630.
Full textJanelle, Marie‐Ève. "Rôles des médiateurs lipidiques de l'inflammation dans la tumorigènèse associée au virus humain herpès-8." Doctoral thesis, Université Laval, 2013. http://hdl.handle.net/20.500.11794/24706.
Full textLabrecque, Jennifer. "Dysfonction des tissus adipeux : médiateurs inflammatoires et effets de la chirurgie bariatrique." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/36968.
Full textObesity is an important risk factor of metabolic and cardiovascular disease development. Under a positive energy imbalance, inadequate adipose tissue remodeling appears to play a determinant role in the onset of cardiometabolic alterations associated with excess fat mass. Adipose tissue dysfunction, related to this pathological remodeling, is characterized by altered fat storage capacity (altered capacity to generate new adipocytes/altered adipogenesis, adipocyte hypertrophy, excessive accumulation of visceral fat), increased number of immune cells infiltrating adipose tissue and oversecretion of pro-inflammatory cytokines. The overall objective of this master’s thesis was to examine modulators of adipose tissue dysfunction, such as IL-1β, prostaglandin-synthesizing enzymes and bariatric surgery. To achieve this objective, we first examined the impact of IL-1βand prostaglandin-synthesizing enzymes (COX-2 and AKR1B1) on markers related to inflammation and adipogenesis in human omental and subcutaneous adipose tissue samples. We also reviewed available literature documenting the impact of surgery-induced weight loss on macrophage infiltration and on the secretion of a broad spectrum of anti-or pro-inflammatory mediators. Our results show that IL-1β induces a pro-inflammatory response in human adipose tissues, particularly in visceral fat, and acts independently of concomitant prostaglandin release. IL-1β and COX-2 also appear to be critical determinants of adipose tissue pathophysiologic remodeling in obesity, in negatively modulating adipogenesis. Furthermore, reports generally show that bariatric surgery reverses both macrophage infiltration and the altered secretory profile observed in the adipose tissue of patients with obesity. In conclusion, we demonstrated that IL-1β and COX-2could be implicated in the development of adipose tissue dysfunction, although data enable us to describe bariatric surgery as a successful anti-inflammatory strategy, which could partly reverse abdominal adipose tissue dysfunction.
Burelout, Chantal. "Étude de l'effet inhibiteur des prostaglandines E2 sur l'activation du neutrophile humain : caractérisation du mécanisme de signalisation." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24352/24352.pdf.
Full textGras, Delphine. "Inflammation et réparation bronchique dans l'asthme sévère : mécanismes de régulation par des médiateurs pro et anti-inflammatoires." Montpellier 1, 2007. http://www.theses.fr/2007MON1T032.
Full textPais, Raluca. "L’inflammation hépatique dans les formes sévères de NAFLD : implications cliniques, médiateurs et stratégies diagnostiques." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066223/document.
Full textThe aim of this work was to analyze the role of chronic systemic inflammation into the natural history of NAFLD. We first undertook a study of NAFLD patients with repeat liver biopsies and demonstrated that mild lobular or portal inflammation or fibrosis in any location substantially increases the risk of progression to steatohepatitis or advanced fibrosis. Disease progression occurred concomitant with worsening of the metabolic conditions during follow-up. In the second study, we analyzed the prevalence and the impact of steatosis and metabolic risk factors on the risk of developing hepatocellular carcinoma in patients with alcoholic cirrhosis undergoing liver transplantation. The main finding of this study was that patients with advanced ALD have a high prevalence of NAFLD, and that this comorbid association confers a significantly increased risk of hepatocellular carcinoma. These findings are important for risk stratification of HCC in patients with ALD. In the third study we demonstrated that steatosis predicted carotid atherosclerosis independently of the association with classical cardiovascular risk factors. Second, in a subset of patients with longitudinal follow-up we demonstrated that baseline NAFLD was an independent predictor for incident carotid plaques. These results suggest that NAFLD is not only a marker but also an “active player” in the pathogenesis of atherosclerosis. In conclusion, our results suggests that low-grade chronic inflammation responsible for the production of pro-atherogenic cytokines and the activation of pro-oncogenic signaling pathways might be the link between liver fibrosis progression, hepatocellular carcinoma and cardiovascular risk
Cazalis, Julia. "Modèle ex-vivo de sang complet : propriétés immunomodulatrices des tétracyclines et différence de réponse entre patients atteints de parodontite et sujets sains." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26275/26275.pdf.
Full textBooks on the topic "Inflammation médiateur"
International, Conference on Advances in Prostaglandin Leukotriene and Other Bioactive Lipid Research (12th 2002 Istanbul Turkey). Advances in prostaglandin, leukotriene, and other bioactive lipid research: Basic science and clinical applications. New York: Kluwer Academic/Plenum Publishers, 2003.
Find full textZeliha, Yazıcı, ed. Advances in prostaglandin, leukotriene, and other bioactive lipid research: Basic science and clinical applications. New York: Kluwer Academic/Plenum Publishers, 2003.
Find full textInternational Conference on Advances in Prostaglandin, Leukotriene, and Other Bioactive Lipid Research (12th 2002 Istanbul, Turkey). Advances in prostaglandin, leukotriene, and other bioactive lipid research: Basic science and clinical applications. New York: Kluwer Academic/Plenum Publishers, 2003.
Find full textR, Ruffolo Robert, and Hollinger Mannfred A, eds. Inflammation--mediators and pathways. Boca Raton: CRC Press, 1995.
Find full textD, Pearson Jeremy, ed. Vascular adhesion molecules and inflammation. Basel: Birkhäuser, 1999.
Find full textD, Pearson Jeremy, ed. Vascular adhesion molecules and inflammation. Basel: Birkhäuser, 1999.
Find full textN, Serhan Charles, and Ward Peter A. 1934-, eds. Molecular and cellular basis of inflammation. Totowa, N.J: Humana Press, 1999.
Find full textAdvances in Prostaglandin, Leukotriene and Other Bioactive Lipid Research: Basic Science and Clinical Applications (Advances in Experimental Medicine and Biology). Springer, 2003.
Find full text(Editor), Patrick Y.-K. Wong, and Charles N. Serhan (Editor), eds. Cell-Cell Interactions in the Release of Inflammatory Mediators: Eicosanoids, Cytokines and Adhesions (Advances in Experimental Medicine and Biology). Springer, 1992.
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