Literatura académica sobre el tema "Astrocytes primaires"
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Artículos de revistas sobre el tema "Astrocytes primaires"
Mantz, J., J. C. Delumeau y J. M. Desmonts. "L’Halothane et le Propofol Induisent une Mobilisation du Calcium Intracellulaire des Astrocytes en Culture Primaire". Annales Françaises d'Anesthésie et de Réanimation 12, n.º 12 (1993): R250. http://dx.doi.org/10.1016/s0750-7658(16)30250-7.
Texto completo"Effets des anesthesiques generaux sur les communications intercellulaires entre astrocytes en culture primaire". Annales Françaises d'Anesthésie et de Réanimation 11 (enero de 1992): R138. http://dx.doi.org/10.1016/s0750-7658(05)81947-1.
Texto completoAdministrateur- JAIM, ACKO-OHUI Estelle, GUI-BILÉ Lynda, ACKO Ubrich, KOUAO Jean-Paul, N’TAMON Bruno, DEDE Simon, DIABATÉ Sidiki y YAPO Paulette. "Le glioblastome du cervelet : une localisation inhabituelle à propos de 17 cas et revue de la littérature." Journal Africain d'Imagerie Médicale (J Afr Imag Méd). Journal Officiel de la Société de Radiologie d’Afrique Noire Francophone (SRANF). 15, n.º 3 (9 de octubre de 2023). http://dx.doi.org/10.55715/jaim.v15i3.525.
Texto completoTesis sobre el tema "Astrocytes primaires"
Lamarche, Frédéric. "Évaluation de la cytotoxicité de l'éthanol sur cultures primaires de neurones de rat : influence du mode et des conditions d'exposition, effets de la vitamine E, du sélénium et du milieu conditionné par les astrocytes sur la neuroprotection". Université Joseph Fourier (Grenoble), 2003. http://www.theses.fr/2003GRE19008.
Texto completoDutour, Provenzano Gaëlle. "Role of intermediate filaments in mechanotransduction". Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS364.
Texto completoCells continuously adapt to their microenvironment. In particular, they modulate their morphology, growth, division, and motility according to the biochemical and physical properties of the extracellular matrix (ECM). Cells are equipped with adhesive structures called FAs, allowing them to interact with ECM proteins through the core transmembrane proteins called integrins and to sense the nature and the rigidity of the ECM. This information are transduced by FA proteins and lead, for instance, to changes in acto-myosin-mediated mechanical tension. Downstream signalling pathways also reach the nucleus; gene expression is then modified and may, in return, affect the composition of FAs or of the ECM proteins for adaptative cell response. Here, we hypothesized that, in addition to signalling pathways, a direct mechanical coupling between the events occurring at the cell periphery and the nucleus may participate in the transmission of mechanical cues and the regulation of nuclear functions. Although intermediate filaments (IFs) have extremely interesting mechanical properties and resist high tension load, their involvement in mechanotransduction pathways remains elusive. Using astrocyte as a model, due to its specific combination of IFs: vimentin, GFAP, nestin, and synemin, we studied first the effect of substrate rigidity on the nucleus morphology and function, and on the organisation of IFs around the nucleus. Then, we investigated the role of IFs in rigidity-induced nuclear changes. Using a combination of microfabrication techniques, biochemical and microscopy methods, we showed that substrate rigidity affects the nucleus shape, volume, and structure of the chromatin and the recruitment of transcription factor (YAP) and IFs are mediating these changes. Our results suggest that IFs form a cage-like structure around the nucleus in a rigidity-dependent manner: stiffer substrates promote the formation of a cage of vimentin and nestin. In the absence of IFs, the nuclear changes induced by rigidity are different than with IF. The nucleus increases its size in soft substrate, together with an increase in tension measured by YAP localising in the nucleus. The structure of the chromatin is changed. Altogether, the results obtained during our investigation give a better understanding of the role of intermediate filaments in the mechanosensitive nuclear responses
Martin-Biran, Magali. "Etude par spectroscopie de RMN du métabolisme des neurones et des astrocytes en culture primaire". Bordeaux 2, 1994. http://www.theses.fr/1994BOR28314.
Texto completoIn order to investigate the cellular compartmentation of the central nervous system, we first defined the metabolic properties of neurons and astrocytes in homogenous primary culture. The metabolic fate of [1-13C]glucose in cerebellar neurons and astrocytes, as well as in cortical astrocytes, was characterized by NMR spectroscopy. The astrocytes, contrary to neurons, synthesized glutamine. The maturation of the glutamine synthesis pathway was delayed in cerebellar astrocytes, as compared to cortical astrocytes. The fluxes involved in exogenous glucose utilization were quantified. The results demonstrated that if neurons used exclusively glucose as carbon source to fuel the Krebs cycle, the carbon sources for astrocytes were diversified (glucose, exogenous amino acids, endogenous carbon sources). In the same way, the pyruvate carboxylase activity was of minor importance in neurons, that implied the need for these cells of exogenous carbon substrates. We evidenced that alanine and citrate were also synthesized by astrocytes and exported to their extracellular medium. These metabolites may play a role as carbon and/or nitrogen shuttles betwen neurons and astrocytes. 31P NMR data showed similar energy charges in cerebellar neurons, astrocytes and in the cerebellum. Differences in the content of metabolites linked to membrane metabolism were observed. The postnatal development of the cerebellum was studied using 31P and 1H NMR spectroscopy. A large content of acetate was evidenced at birth, that decreased during the first postnatal days whereas the NAA content increased
EL, JAMALI AMINA. "Regulation par l'amp cyclique du systeme de l'adenylate cyclase dans les astrocytes en culture primaire". Paris 6, 1996. http://www.theses.fr/1996PA066132.
Texto completoHouades, Vanessa. "Réseaux astrocytaires et communication jonctionnelle : étude dans le cortex somatosensoriel primaire de projection des vibrisses de souris". Paris 6, 2007. http://www.theses.fr/2007PA066539.
Texto completoBellavance, Marc-André. "Élaboration d'une formulation liposomale pour le traitement des tumeurs cérébrales primaires malignes". Mémoire, Université de Sherbrooke, 2010. http://savoirs.usherbrooke.ca/handle/11143/4023.
Texto completoGandolfo, Pierrick. "Contribution à l'étude des effets autocrines des endozépines, ligands endogènes potentiels des récepteurs des benzodiazépines, sur les astrocytes de rat en culture primaire". Rouen, 1999. http://www.theses.fr/1999ROUES011.
Texto completoCronier-Dussol, Sabrina. "Etude du rôle biologique de la PrP cellulaire et pathologique dans des cultures primaires de cellules nerveuses". Paris 6, 2005. http://www.theses.fr/2005PA066580.
Texto completoMignot, Cyril. "Etudes des mécanismes pathologiques en cause dans l'agrégation de la GFAP mutée dans la maladie d'Alexander, une atteinte primaire de l'astrocyte aboutissant à une leucodystrophie". Paris 6, 2007. http://www.theses.fr/2007PA066477.
Texto completoDIB, KARIM. "Regulation par l'ampc de l'expression des proteines g de la voie de l'adenylate cyclase dans deux modeles de culture primaire : les thyrocytes porcins et les astrocytes de rats nouveau-nes". Paris 6, 1994. http://www.theses.fr/1994PA066099.
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