Academic literature on the topic 'Polynucléaire neutrophile'
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Journal articles on the topic "Polynucléaire neutrophile"
Gougerot-Pocidalo, Marie-Anne. "Polynucléaire neutrophile et inflammation systémique." Revue du Rhumatisme 79, no. 3 (May 2012): 183–86. http://dx.doi.org/10.1016/j.rhum.2011.12.011.
Full textMonteiro, Renato C., Sanae Ben Mkaddem, and Margarita Hurtado-Nédelec. "Fc récepteur et polynucléaire neutrophile." Revue Francophone des Laboratoires 2014, no. 462 (April 2014): 39–46. http://dx.doi.org/10.1016/s1773-035x(14)72477-3.
Full textGougerot-Pocidalo, Marie-Anne, and Lise Halbwachs-Mecarelli. "L'activation du polynucléaire neutrophile dans la synovite rhumatoïde." Revue du Rhumatisme 72, no. 4 (April 2005): 303–9. http://dx.doi.org/10.1016/j.rhum.2004.12.015.
Full textWitko-Sarsat, Véronique, Arnaud Roccabianca, and Luc Mouthon. "Le polynucléaire neutrophile dans les vascularites associées aux ANCA." Revue Francophone des Laboratoires 2014, no. 462 (April 2014): 47–58. http://dx.doi.org/10.1016/s1773-035x(14)72478-5.
Full textElbim, C., and M. A. Gougerot-Pocidalo. "Interactions des cytokines pro-inflammatoires avec le polynucléaire neutrophile humain." Immuno-analyse & Biologie Spécialisée 10, no. 2 (January 1995): 76–86. http://dx.doi.org/10.1016/0923-2532(96)80513-8.
Full textGrateau, G. "La fièvre méditerranéenne familiale est une maladie héréditaire du polynucléaire neutrophile." La Revue de Médecine Interne 19, no. 7 (July 1998): 467–69. http://dx.doi.org/10.1016/s0248-8663(99)80001-0.
Full textDe Freitas Caires, N., W. Morelle, S. Sarrazin, F. Depontieu, P. Hauw, A. B. Tonnel, and P. Lassalle. "012 Étude du catabolisme d’endocan : rôle des protéases du polynucléaire neutrophile." Revue des Maladies Respiratoires 22, no. 5 (November 2005): 849. http://dx.doi.org/10.1016/s0761-8425(05)92424-8.
Full textDelclaux, C. "Contre un rôle majeur du polynucléaire neutrophile au cours du SDRA." Réanimation Urgences 7, no. 3 (June 1998): 339–41. http://dx.doi.org/10.1016/s1164-6756(98)80037-6.
Full textL’Allemain, Gilles. "L’élastase du polynucléaire neutrophile est un anti-facteur de virulence bactérienne." médecine/sciences 18, no. 11 (November 2002): 1064–65. http://dx.doi.org/10.1051/medsci/200218111064.
Full textMutinelli Szymanski, P., I. Hude, E. Merle, Y. Lombardi, P. Seris, C. Bourgain, A. Lemonnier, C. Ridel, P. Urena-Torres, and M. Touzot. "Le rapport polynucléaire neutrophile/lymphocyte comme marqueur prédictif précoce de COVID-19 sévère." Néphrologie & Thérapeutique 16, no. 5 (September 2020): 251. http://dx.doi.org/10.1016/j.nephro.2020.07.013.
Full textDissertations / Theses on the topic "Polynucléaire neutrophile"
Espinasse, Marie-Alix. "Rôle de GILZ (Glucocorticoid-induced leucine zipper) dans l’apoptose du polynucléaire neutrophile et la résolution de l’inflammation." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA114803/document.
Full textElimination of polymorphonuclear neutrophils (PN) from inflammatory site is a necessary step in the resolution of inflammation, where PN undergo massive apoptosis and are phagocyted by macrophages. In some inflammatory disorders, such as acute respiratory distress syndrome (ARDS), defective apoptosis of neutrophils was described and related to persistent inflammation and poor prognosis. GILZ (Glucocorticoid-induced leucine zipper) is a potent anti-inflammatory protein, mainly through inhibition of NF-кB (nuclear factor-kappa B) and AP-1 (activator protein-1) transcription factors. Moreover, GILZ modulates hematopoietic cells survival, either by preventing or inducing their apoptosis. The overall objective of this work has been to evaluate the role of GILZ in neutrophils functions and apoptosis during inflammation. First, we sought pathophysiological situations where GILZ could be expressed. ARDS caught our attention because of the systemic nature of inflammation and the prominent role of neutrophils. A prospective clinical study was conducted at Bichat hospital and showed a higher GILZ expression at protein and transcriptional levels in blood neutrophils of ARDS patients.Secondly, we evaluated the role of GILZ in neutrophils functions and phenotypes. Using the PLB-985 cell line induced towards the neutrophil lineage using all trans retinoic acid (ATRA) and dimethylformamid (DMF), we evidenced that GILZ over-expression promoted exacerbated apoptosis of these cells. This apoptosis was caspase-dependent, involved the mitochondrial pathway and was explained, at least in part, by a diminution of myeloid cell leukemia-1 (Mcl-1) expression, whereas mcl-1 mRNA levels were not affected. A sustained activation of c-Jun N-terminal kinases (JNK) could be involved and lead to Mcl-1 phosphorylation and subsequent degradation by the proteasome machinery.Altogether, these results suggest a potential role of GILZ in the resolution of inflammation in vivo. To address this question, we currently develop an acute lung injury (ALI) model induced by lipopolysaccharides, which mimics the septic component of ARDS. This model will be implemented in mice invalidated for GILZ specifically in neutrophils. This approach should allow a better understanding of the role of GILZ in the resolution of inflammation. In the future, GILZ could represent a therapeutical target in inflammatory diseases involving neutrophils
Elbim, Carole. "Interactions des cytosines proinflammatoires avec le polynucléaire neutrophile humain." Paris 5, 1994. http://www.theses.fr/1994PA05CD09.
Full textLuur-Coste, Joliette van der. "Etude de nouveaux marqueurs moléculaires du polynucléaire neutrophile d'intérêt transfusionnel." Montpellier 2, 2001. http://www.theses.fr/2001MON20168.
Full textGranger, Vanessa. "Etude de la nétose du polynucléaire neutrophile dans deux modèles de réactions allergiques : le choc anaphylactique aux curares et l’asthme." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS364.
Full textNeutrophil netosis consists in the release of extracellular DNA filaments bound to granular proteins, called Neutrophil extracellular traps (NETs). In addition to their anti-infectious role, NETs are emerging actors of many inflammatory diseases and we decided to investigate their involvement during allergy.In a multicenter clinical study, our team highlighted an alternative mechanism of anaphylaxis to neuromuscular blocking agents (NMBA) involving neutrophils (PN). The acute phase of these reactions is characterized by NETs release which level is correlated with severity and with a decrease in IgG activating receptors (FcγRs) expression on PN; this suggests a role of immune complexes (IC) IgG / NMBA in NETs formation during these anaphylactic reactionsTo confirm this hypothesis, the ability of IgG ICs to activate netosis was studied through the development of an in vitro stimulation model of purified human PNs.This work shows that two PN IgG receptors (FcγRIIa and FcγRIIIB) contribute to NET release upon cellular activation by different ICsIn parallel, NETs formation has been explored in a model of chronic allergic reactions, asthma. At systemic level, NETs levels are associated with severe and poorly controlled asthma as well with the presence of low reversible bronchial obstruction. Conversely, NETs levels in bronchoalveolar lavage are higher in moderate asthma and appear to reflect pulmonary recruitment and activation of PN in response to microbial colonization.Taking together these results show that NETs are released during the two selected models of allergic reactions : acute (NMBA anaphylaxis) and chronic (asthma) and could be used as biomarkers of severity. Furthers works are needed to determine to what extent NETs contribute to the pathophysiology of allergy
Delclaux, Christophe. "Rôle du polynucléaire neutrophile dans la physiopathologie du syndrome de détresse respiratoire aiguë." Paris 12, 1998. http://www.theses.fr/1998PA120016.
Full textGauthier, Alexandre. "Rôle des protéases à sérine du polynucléaire neutrophile dans l'inflammation associée à la mucoviscidose." Thesis, Tours, 2009. http://www.theses.fr/2009TOUR4040.
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Garcia, Geoffrey. "Les NETs (Neutrophils Extracellular Traps) et les DNases au cours de la COVID-19." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0175.
Full textNeutrophil Extracellular Traps and DNases involvement during During infection, neutrophils release Neutrophil Extracellular Traps (NETs) to capture,prevent the dissemination of, and kill pathogens. NETs contribute to immunothrombosis byinteracting with platelets and immune cells, thus activating coagulation. However, excessiveproduction of NETs can cause thromboinflammation, leading to cellular and tissue damage. NETsare implicated in the pathophysiology of both arterial and venous thrombosis and in severe formsof COVID-19. They are physiologically degraded by DNases and macrophages. Currently, DNasetechniques are not standardized, and the mechanisms underlying the exacerbation of NETosis inCOVID-19 are not well understood. We first aimed to develop a functional assay to evaluate theability of DNases in human samples to degrade DNA or NETs. We established a robust,repeatable, and reproducible method that can be applied to both serum and plasma.Subsequently, we assessed the balance between NET markers and DNase activity according toCOVID-19 severity, and studied the mechanisms responsible for the NETs/DNases imbalance. Weconfirmed that NET markers increase with disease severity and demonstrated a decrease inDNase activity in hospitalized patients, resulting in an imbalance between NET markers andDNase activity in this group. The most severe patients exhibited decreased levels of DNase 1,with some harboring polymorphisms in the DNase 1 gene correlating with low protein levels.Additionally, we observed that critically ill patients had lower levels of plasmacytoid dendriticcells compared to those with severe disease. Reanalysis of public single cell RNA sequencing datashowed that plasmacytoid dendritic cells express less DNase 1L3 RNA as the disease severityincreases. This study demonstrates that COVID-19 severity is associated with an imbalance inNETs and DNases. Identifying this DNase deficit as an aggravating factor in patients could lead tonew therapeutic strategies, such as DNase administration, to prevent clinical deterioration
Bonneau, Christine. "Effet des lipoprotéines de basse densité sur la migration et le métabolisme oxydatif du polynucléaire neutrophile humain "in vitro"." Paris 11, 1994. http://www.theses.fr/1994PA114836.
Full textMambole, Agnès. "Etude des interactions entre le polynucléaire neutrophile et l’endothélium : rôle de la leucosialine (CD43) et de l’intégrine α9β1 (alpha9beta1)." Paris 6, 2008. http://www.theses.fr/2008PA066187.
Full textBarrientos, Lorena. "Modulation fonctionnelle des cellules dendritiques par les " Neutrophil Extracellular Traps "." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-01016696.
Full textBook chapters on the topic "Polynucléaire neutrophile"
"Exploration des polynucléaires neutrophiles." In Guide des analyses en immunologie, 217–24. Elsevier, 2014. http://dx.doi.org/10.1016/b978-2-294-74025-1.00016-4.
Full textBlanche, Stéphane, and Jacinta Bustamante. "Déficits fonctionnels des polynucléaires neutrophiles." In Maladies Immunitaires de L'enfant, 99–106. Elsevier, 2022. http://dx.doi.org/10.1016/b978-2-294-77580-2.00014-1.
Full textCaquet, René. "Anticorps anticytoplasme des polynucléaires neutrophiles (ANCA)." In 250 examens de laboratoire, 40. Elsevier, 2010. http://dx.doi.org/10.1016/b978-2-294-71033-9.50024-8.
Full textCaquet, René. "Anticorps anti-cytoplasme des polynucléaires neutrophiles (ANCA)." In Guide infirmier des examens de laboratoire, 36–37. Elsevier, 2008. http://dx.doi.org/10.1016/b978-2-294-70220-4.50019-9.
Full textCaquet, René. "Polynucléaires (granulocytes) neutrophiles (interprétation de la NFS)." In Guide infirmier des examens de laboratoire, 249–50. Elsevier, 2008. http://dx.doi.org/10.1016/b978-2-294-70220-4.50121-1.
Full textCaquet, René. "Polynucléaires (granulocytes) neutrophiles (interprétation de la NFS)." In 250 examens de laboratoire, 281–82. Elsevier, 2010. http://dx.doi.org/10.1016/b978-2-294-71033-9.50158-8.
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