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Academic literature on the topic 'Transmission nerveuse – Modèles animaux'
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Journal articles on the topic "Transmission nerveuse – Modèles animaux"
SCHELCHER, 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 textGary, Charlotte, Emmanuel Comoy, and Marc Dhenain. "Transmission des lésions amyloïdes de la maladie d’Alzheimer : apports des modèles animaux." Bulletin de l'Académie Vétérinaire de France, no. 1 (2017): 90. http://dx.doi.org/10.4267/2042/62330.
Full textKoehl, M. "Ocytocine et comportement maternel : de l’adaptation à la pathologie." European Psychiatry 28, S2 (November 2013): 15. http://dx.doi.org/10.1016/j.eurpsy.2013.09.036.
Full textDUCROT, C., J. CABARET, S. TOUZEAU, D. ABRIAL, C. JACOB, H. QUIQUAMPOIX, J. GROSCLAUDE, and L. GRUNER. "Epidémiologie de la tremblante et de l’Encéphalopathie Spongiforme Bovine en France." INRAE Productions Animales 17, HS (December 20, 2004): 67–76. http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3630.
Full textSolinas, M. "L’empathie et le modèle animal." European Psychiatry 30, S2 (November 2015): S91. http://dx.doi.org/10.1016/j.eurpsy.2015.09.391.
Full textMalfatti, Edoardo, and Isabelle Richard. "Calpaïnopathies." médecine/sciences 36 (December 2020): 17–21. http://dx.doi.org/10.1051/medsci/2020244.
Full textMEDALE, F., and C. MICHEL. "Deuxième partie : Épidémiologie et modélisation des maladies infectieuses aquacoles." INRAE Productions Animales 20, no. 3 (September 7, 2007): 217. http://dx.doi.org/10.20870/productions-animales.2007.20.3.3458.
Full textDUCROT, C. "Chapitre 1 : Pathogénie des Encéphalopathies Spongiformes Transmissibles." INRAE Productions Animales 17, HS (December 20, 2004). http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3618.
Full textDUCROT, C., J. CHARLEY-POULAIN, and J. M. AYNAUD. "Numéro hors série 2004 : Encéphalopathies spongiformes transmissibles animales -Sommaire et avant-propos." INRAE Productions Animales 17, HS (December 18, 2004). http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3612.
Full textDissertations / Theses on the topic "Transmission nerveuse – Modèles animaux"
Bradaia, Amyaouch. "Etude électrophysiologique des transmissions cholinergique et glycinergique dans la lamina X de la moe͏̈lle épinière de rat." Université Louis Pasteur (Strasbourg) (1971-2008), 2003. http://www.theses.fr/2003STR13006.
Full textThe preganglionic neurones of the spinal cord (SPN) establish the last central relays of the sympathetic autonomic ways. The NPS is contained in four medullary nuclei: the lateral funiculus, the intermediolateral column, the intercalated nuclei in the lamina VII and the central autonomic area (CA) contained in lamina X which is located around the central canal. The whole of these nuclei contributes to the regulation of controls sympathetic nerves. Nevertheless, CA would have the particularity of integrating directly visceral noxious information and could thus take part in the development of viscéro-autonomic reflexes. In the UMR 7519, had been shown in lamina X the presence of nicotinic receptors (nAChRs) on the SPN and interneurones like on the glutamatergic afferences. Our results show the existence of several nicotinic receptors on the neurons of lamina X of the rat spinal cord. These nicotinic receptors have a postsynaptic and/or presynaptic localization. On the postsynaptic level : the a7 nAChR are localised synaptically and are implied in a cholinergic synaptic transmission. The non a7 nAChR have a extrasynaptic localization. At the presynaptic level :the nAChR are localised on the glycinergic axons which project on the SPN. These receptors would be of type a7 and non a7. We analyzed in detail the glycinergic synaptic transmission and paid particularly our attention on the potential role of the glycine transporters in the determination of the biophysics properties of the glycinergic synaptic currents. My work shows that the inhibition of the neuronal and glial glycine transporters : - increases the decay times of the glycinergic synaptic currents. - potentiates the NMDA component of the glutamatergic transmission
Niane, Lalah Malika. "Neurotransmission par l'acétylcholine et l'adénosine tri-phosphate dans le contrôle périphérique de la respiration chez le rat en développement : rôle des récepteurs nicotiniques et P2X." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/29191/29191.pdf.
Full textRénéric, Jean-Philippe. "Interactions entre les systèmes sérotoninergiques et noradrénergiques lors de l'administration de traitements antidépresseurs dans le test de la nage forcée chez le rat." Bordeaux 2, 2000. http://www.theses.fr/2000BOR28761.
Full textThe rat forced swimming test (FST) predicts the clinical activity of antidepressants, which decrease immobility duration in the test. The FST also distinguishes selective serotonin (5-HT) and noradrenaline (NA) reuptake inhibitors, which respectively increase swimming and climbing behaviors, suggesting that distinct neurochemical mechanisms may underlie the effects of antidepressants. Because of clinical interest, the antidepressant-like effects of treatment acting through multiple neurotransmitter systems were examined in the FST. Desipramine dose-dependently antagonized fluoxetine-induced swimming behavior, and the serotonin/noradrenaline reuptake-inhibitor milnacipran increased climbing behavior solely, suggesting a NA-system-mediated inhibition of 5-HT-induced swimming. However, these antagonizing effects were no more present after a specific lesion of the NA neurons from the locus coeruleus. Furthermore, the chronic enhancement of NA-transmission altered this NA-system-mediated inhibition of 5-HT-induced behavior in the FST. Also, the NA-mediated inhibition of 5-HT-induced behavior was mimicked by the coadministration of SSRIs with alpha-2 adrenoreceptor agonists. Therefore, the NA-system mediates presynaptic inhibiting interactions on the 5-HT-system, that may involve α2-receptors, and that may limit the efficacy of mixed serotonin/noradrenaline reuptake inhibition in subacute treatment. Since α2-adrenoreceptors and 5-HT1A-receptors have important regulatory functions and are involved in 5-HT/NA interactions, we examined whether the α2-receptor-antagonist idazoxan and the 5-HT1A-receptor-agonist 8-OH-DPAT would modify the behavioral pattern induced in the FST by either selective or non-selective antidepressant treatments. Overall, our behavioral data suggested a possible involvement of alpha-2 adrenoreceptor agonists in these interactions, and also support clinical trials suggesting that α2-receptor-antagonists and 5-HT1A-receptor-agonists/antagonists may be of interest in augmentation strategies for antidepressant treatments. The scoring of active behaviors in the FST appears to be an interesting tool for studying 5-HT/NA interactions induced by antidepressants, as well as for the testing of augmentation strategies
Seibt, Frederik. "Effets de la noradrénaline sur les transmissions synaptiques dans la corne dorsale de la moelle épinière de rat." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAJ029/document.
Full textThe dorsal horn of the spinal cord (DH) is an important site of integration and modulation of somatosensory information and deep laminae of the DH play an important role in the modulation of nociceptive information in the neuronal network of the spinal cord.Our aim was to characterize the effects of NA on synaptic transmission in deep laminae of the DH.We show that NA facilitates inhibitory synaptic transmission in laminae III-IV of the DH. This phenomenon involves the activation of alpha1, alpha2, and beta adrenoceptors and requires intact interlaminar communications between laminae III-IV and V. Glial cell metabolism inhibition has the same consequences as a mechanical section between laminae IV and V. These results indicate that an interaction between glial cell and deep laminae neurons of the DH seems essential for the facilitatory effect of NA on inhibitory synaptic communications in laminae III-IV of the DH
Verdurand, Mathieu. "Vers l'imagerie TEP de la transmission sérotoninergique dans la maladie d'Alzheimer : du radiotraceur au modèle animal." Lyon 1, 2008. http://tel.archives-ouvertes.fr/docs/00/34/89/75/PDF/These_MV.pdf.
Full textEarly diagnostic of Alzheimer's disease (AD) is facing difficulties that PET imaging (Positron Emission Tomography) could overcome. The first part of our work was dedicate to the automation and optimization of [11C]PIB synthesis, a radioligand that allows visualizing amyloid load in patients with AD. In a second part, we studied serotoninergic neurotransmission in AD. 5-HT6 receptors antagonists display pro-cognitive properties and post-mortem studies showed their modulation in AD. However, no PET 5-HT6 receptors radioligand is available yet. We report the biological evaluation of [18F]12ST05, a 5-HT6 receptors antagonist radiotracer. A recent clinical PET study using [18F]MPPF (5-HT1A antagonist) demonstrated an increase in 5-HT1A receptors in patients with MCI whereas a decrease could be seen in patients with AD. We could reproduce such a transient up-regulation in a rat model of AD and were able to propose several mechanisms underlying these effects. Our results bring new hypothesis on early stimulated phenomenon in AD and could have potential implication in the therapeutics targeting 5-HT1A receptors
Sansig, Gilles. "Des souris knock-out pour le récepteur métabotrope au glutamate mGluR7 révèlent son rôle dans la cognition et les émotions." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAJ018/document.
Full textMetabotropic glutamate receptors (mGluRs) consist of eight different subtypes and exert their effects on second messengers and ion channels via G-proteins. The function of individual mGluR subtypes in the CNS, however, largely remains to be clarified. To study the role of mGluR7 receptors, we used homologous recombination to generate mice lacking this metabotropic receptor subtype (mGluR7). Immunohistochemical and immunoelectron-microscopic analyses showed that mGluR7 is highly expressed in amygdala and preferentially localized at the presynaptic axon terminals of glutamatergic neurons, suggesting strongly that mGluR7 is involved in neural processes subserving amygdala-dependent averse responses. To examine amygdala-dependent behavior, we examined first the fear response of freezing after electric shock in wild-type and mGluR7 (mGluR7-/-) knockout littermates. Wild-type mice displayed freezing immediately after footshock. In comparison, mGluR7 knockout mice showed significantly reduced levels in both immediate postshock and delayed freezing responses. However, the knockout mice exhibited no abnormalities in pain sensitivity and locomotor activity. Secondly, we performed conditioned taste aversion (CTA) experiments. In wild-type mice, the administration of saccharin followed by intraperitoneal injection of the malaise-inducing agent LiCl resulted in an association between saccharin and LiCl. This association caused strong CTA toward saccharin. In contrast, mGluR7 knockout mice failed to associate between the taste and the negative reinforcer in CTA experiments. Again, the knockout mice showed no abnormalities in taste preference and in the sensitivity to LiCl toxicity. These results indicated that mGluR7 deficiency causes an impairment of two distinct amygdala-dependent behavioral paradigms. Because the amygdale function is essential for these two distinct behavioral paradigms, our results suggest that mGluR7 is critical in amygdale function. The amygdale is a brain region that is known to be critical for the manifestation of anxiolysis and antidepressant action and glutamatergic neurotransmission has been strongly implicated in the pathophysiology of affective disorders. To this end we analyzed the behavioral profiles of mGluR7-/- mice in animal models of depression and anxiety. mGluR7-/- mice were compared to wildtype littermates and showed substantially less behavioural immobility in both the forced swim test and the tail suspension test. Both behavioural paradigms are widely used to predict antidepressant-like activity. Further, mGluR7-/- mice displayed anxiolytic activity in four different behavioural tests namely the light-dark box, the elevated plus maze, the staircase test, and the stress-induced hyperthermia test, while their cognitive performance was normal in the passive avoidance paradigm. [...]
Boulay, Denis. "Etude chez le rat des modifications comportementales et neurochimiques après administrations répétées d'agonistes dopaminergiques indirects : la cocaïne ou le GBR12783." Rouen, 1995. http://www.theses.fr/1995ROUE5042.
Full textKerfant, Benoît-Gilles. "Rôle des microtubules dans le couplage excitation-contraction de cardiomyocytes sains et hypertrophiés." Montpellier 2, 2002. http://www.theses.fr/2002MON20104.
Full textBaufreton, Jérôme. "Transmission GABAergique-Régulation dopaminergique : étude in vitro dans deux modèles : le noyau sous-thalamique et le locus coeruleus." Bordeaux 2, 2002. http://www.theses.fr/2002BOR28949.
Full textAndré, Sylvain. "Modification de l'expression de canaux ioniques dans les neurones de ganglions rachidiens dorsaux de souris adulte après lésion nerveuse périphérique." Montpellier 2, 2003. http://www.theses.fr/2003MON20142.
Full textBooks on the topic "Transmission nerveuse – Modèles animaux"
Comité national d'évaluation de la recherche (France). Recherche sur l'animal et santé de l'homme. Paris: Documentation française, 2003.
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