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Articoli di riviste sul tema "Récepteurs nicotinique"
Maskos, U. "Physiopathologie des auto-anticorps anti-récepteurs nicotinique Alpha 7 dans la schizophrénie". French Journal of Psychiatry 1 (dicembre 2019): S18. http://dx.doi.org/10.1016/j.fjpsy.2019.10.188.
Testo completoHamon, M. "Bases neurobiologiques des traitements de l’alcoolo-dépendance – Quelles perspectives ?" European Psychiatry 29, S3 (novembre 2014): 539. http://dx.doi.org/10.1016/j.eurpsy.2014.09.411.
Testo completoCormier, Y. "Pneumopathie d’hypersensibilité : Virus et récepteurs nicotiniques". Revue des Maladies Respiratoires Actualités 1 (giugno 2009): S100—S101. http://dx.doi.org/10.1016/s1877-1203(09)75280-2.
Testo completoPicciotto, M. "Sous-unité β2 du récepteur nicotinique et apprentissage". médecine/sciences 11, n. 6 (1995): 922. http://dx.doi.org/10.4267/10608/2312.
Testo completoDormoy, Valérian, Stéphanie Pons, Philippe Gosset e Uwe Maskos. "Récepteur nicotinique de l’acétylcholine et bronchopneumopathie chronique obstructive". médecine/sciences 38, n. 8-9 (agosto 2022): 637–39. http://dx.doi.org/10.1051/medsci/2022092.
Testo completoDiabasana, Z., R. Belgacemi, J. Routhier, P. Birembaut, U. Maskos, M. Polette, G. Deslee e V. Dormoy. "Implication des récepteurs nicotiniques dans la bronchopneumopathie Chronique Obstructive". Revue des Maladies Respiratoires 38, n. 6 (giugno 2021): 576. http://dx.doi.org/10.1016/j.rmr.2021.02.016.
Testo completoClère, Florentin. "Les récepteurs nicotiniques à la rescousse des douleurs neuropathiques ?" Douleurs : Evaluation - Diagnostic - Traitement 11, n. 2 (aprile 2010): 95. http://dx.doi.org/10.1016/j.douler.2010.02.001.
Testo completoDurand-de Cuttoli, Romain, Sarah Mondoloni e Alexandre Mourot. "Dissection optique du rôle des récepteurs nicotiniques neuronaux à l'aide de récepteurs photo-contrôlables". Biologie Aujourd'hui 211, n. 2 (2017): 173–88. http://dx.doi.org/10.1051/jbio/2017022.
Testo completoLenovere, N., A. Bessis, C. Lena, M. Piccioto e M. Zoli. "Le récepteur nicotinique neuronal de l'acétylcholine : du gène au tabagisme". médecine/sciences 9, n. 1 (1993): 41. http://dx.doi.org/10.4267/10608/2785.
Testo completoTournier, J. M., K. Maouche, I. Cloëz-Tayarani e P. Birembaut. "Rôles potentiels des récepteurs nicotiniques à l’acétylcholine de l’épithélium bronchique". Revue des Maladies Respiratoires 23, n. 5 (novembre 2006): 519. http://dx.doi.org/10.1016/s0761-8425(06)71846-0.
Testo completoTesi sul tema "Récepteurs nicotinique"
Mourot, Alexandre. "Structure et dynamique du récepteur nicotinique". Université Louis Pasteur (Strasbourg) (1971-2008), 2004. https://publication-theses.unistra.fr/public/theses_doctorat/2004/MOUROT_Alexandre_2004.pdf.
Testo completoAwad, Nour. "Études structurales et fonctionnelles des interactions entre lipides et récepteurs nicotinique de l'acétylcholine". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS326.
Testo completoPentameric channel receptors (PCRs) are transmembrane proteins fundamental to neurotransmission. As allosteric receptors, they mediate the rapid transduction of electrochemical signal through the opening of an ion channel upon neurotransmitters binding. We are particularly interested in α7nicotinic acetylcholine homomeric receptor (nAChR), which is involved in cognitive functions of the central nervous system and is associated with Alzheimer's disease and schizophrenia; and in the α3β4nicotinic receptor implicated in nicotine addiction and alcohol dependance. These receptors are embedded in the plasma membrane, and some lipids have been described as essential to their function, either by direct binding or by modifying the physical properties of the plasma membrane. However, the studies on the interactions between neuronal nAChRs and lipids remain very fragmentary. This project aims to study the impact of the membrane environment on the function of nAChRs. First,by measuring the apparent binding affinity of agonists to evaluate the state of the protein and its ability to undergo allosteric transitions, we show that detergent extraction impairs the function of the receptor. Second, we have undertaken a pharmacological analysis by voltage-clamp of the interaction of alpha7with fatty acids, as well as site-directed mutagenesis to identify their binding site. This work demonstrates the importance of lipids on receptor function and will pave the way for understanding the allosteric regulatory mechanisms of fatty acids at the transmembrane domain level. It will also enable structure biology experiments in a controlled membrane environment and examine synthetic compounds for the treatment of neurodegenerative diseases and cancer
Leflemme, Nicolas. "Synthèse, étude physico-chimique et évaluation biologique d'arylpyridines à visée nicotinique". Caen, 2002. http://www.theses.fr/2002CAEN2068.
Testo completoMaubourguet, Nicolas. "Contrôle nicotinique du système dopaminergique et du comportement d'exploration". Paris 6, 2009. http://www.theses.fr/2009PA066197.
Testo completoChamptiaux, Nicolas. "Inactivation génique de la sous-unité α6 du récepteur nicotinique de l'acétylcholine chez la souris : étude de la composition des récepteurs nicotiniques exprimés dans les neurones dopaminergiques". Paris 6, 2002. http://www.theses.fr/2002PA066072.
Testo completoVoisin-Chiret, Anne-Sophie. "Synthèse de nouveaux dérivés pyridiniques à visée cholinergique nicotinique". Caen, 2005. http://www.theses.fr/2005CAEN4066.
Testo completoThe present study describes, on the one hand, the synthesis, the physicochemical study and the biological evaluation of novel pyridylethers as potential nicotinic cholinergic receptor ligands. On the other hand, the Petasis reaction, a multicomponent reaction, is used in the pyridine series to synthesize novel complexes. In the first part, after a general review about nicotinic cholinergic receptors, their localization, their structure and their function as well as a description of different technologies used in parallel chemistry, the chemical study is developed. Various synthetic approaches to prepare pyridylethers were used, along with studies on stability and reactivity. A small but diverse chemical library was accomplished. The first biological results are reported. Further tests are currently under investigation. In the second part, after a general review about multicomponent reactions, the Petasis reaction was studied with an emphasis parallelization. The implementation of this reaction allowed us to obtain original compounds whose structure was investigated and determined as complex (1:1) of dioxaborolanone and an amine. The experimental part of this document describes the procedures and the physicochemical characteristics of the compounds presented. Finally, more than 270 bibliographical references replace this study in its chemical and biological context
Vicq, Eléonore. "Modulation nicotinique de l'activité dopaminergique et des comportements motivés". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS135.
Testo completoSmoking affects one billion people worldwide, and is responsible for over 8 million preventable deaths a year, making it a major health concern. Nicotine, the main active compound in tobacco, acts on the nervous system by binding to nicotinic acetylcholine receptors (nAChRs). There is a wide diversity of nAChR subunits (��2 to 10 and β2 to 4) which assemble in different combinations to form pentameric receptors with different biophysical properties and localizations. Nicotine concomitantly produces rewarding and aversive effects, promoting and limiting nicotine consumption, respectively. While nAChRs are expressed in the reward system, notably the ventral tegmental area (VTA), they are also present in many other brain regions susceptible to nicotine-induced disruptions. The aim of my thesis work was to investigate the involvement of two non-canonical VTA-connected brain pathways in nicotine addiction: the pathways linking the interpeduncular nucleus (IPN) and the VTA, and the one connecting the VTA to the claustrum (CLA). I first studied the involvement of the IPN in nicotine reinforcement. We showed that IPN neurons respond heterogeneously to nicotine, and discovered that they are sensitive to low doses of nicotine that do not activate the VTA. Using new chemogenetic tools that I have developed, we have shown that β4-containing nAChRs of the IPN act as a brake on the response to nicotine in the VTA, thereby reducing the rewarding effects of the drug. The IPN would therefore contribute not only to aversion but also to nicotine reinforcement. Secondly, I studied how prolonged exposure to nicotine alters social interactions, and the potential involvement of the VTA-CLA pathway in these behavioral perturbations. We showed that chronic nicotine exposure increased the saliency of a novel social stimulus in a three-chamber task, resulting in an increased interaction time with novel conspecifics. Moreover, optogenetic activation of the VTA-CLA pathway induced a loss of preference for the novel social stimulus, while non-contingent optogenetic stimulation replicated the behavioral effects of prolonged nicotine exposure. Therefore, the VTA-CLA pathway seems to be involved in the saliency for new social stimuli, and this function may be disrupted by chronic nicotine exposure. Taken together, these studies highlight the importance of these two non-canonical pathways in nicotine addiction
Chatrenet, Benoît. "Etude topographique des sites agonistes du récepteur nicotinique de l'acétylcholine à l'aide de dérives photoactivables de neurotoxine et d'agonistes synthétiques". Université Louis Pasteur (Strasbourg) (1971-2008), 1990. http://www.theses.fr/1990STR13036.
Testo completoHatton, Wilfried. "Synthèse parallèles et multi-étapes de dérivés pipéridiniques à visée nicotinique". Nantes, 2007. http://www.theses.fr/2007NANT2164.
Testo completoThis thesis reports our contribution in the field of new central nicotinic ligands synthesis. In the first part we present the history and discovery of the nicotinic acetylcholine receptors, their description and involvement in central nervous system pathologies. The second part is an overview of the last compounds published during the last five years in this field, particularly compounds which are currently, in clinical trials. We also present the progress in elucidation of a phamacophoric model and finally we described the natural alkaloid from lobelia inflata, (-)lobeline which was our template for the synthesis of new ligands. The third part presents the development of the synthesis of small libraries of 1,3 or 1,4- disubstituted piperidines using parallel synthesis both supporting and in solution. The fourth and last part describes an original synthesis of some lobeline analogs following a novel multi-steps strategy
Besson, Morgane. "Rôle des récepteurs nicotiniques neuronaux de l'acétylcholine dans la dépendance à la nicotine". Paris 6, 2006. http://www.theses.fr/2006PA066445.
Testo completoLibri sul tema "Récepteurs nicotinique"
Koprowski, H., J. H. Humphrey, W. Arber, W. Henle, P. H. Hofschneider, N. K. Jerne, P. Koldovsky, O. Maaloe, R. Rott e H. G. Schweiger. Current Topics in Microbiology and Immunology: Ergebnisse der Mikrobiologie und Immunitätsforschung. Springer, 2012.
Cerca il testo completoKlein, J., J. H. Humphrey, W. Arber, W. Henle e P. H. Hofschneider. Current Topics in Microbiology and Immunology. Springer, 2011.
Cerca il testo completoBraun, W., R. Haas, F. Cramer, W. Arber e W. Henle. Current Topics in Microbiology and Immunology: Ergebnisse der Mikrobiologie und Immunitätsforschung. Springer, 2014.
Cerca il testo completoHumphrey, J. H., S. Falkow, W. Arber, W. Henle e P. H. Hofschneider. Current Topics in Microbiology and Immunology. Springer, 2011.
Cerca il testo completoArber, W. Current Topics in Microbiology and Immunology: Ergebnisse Der Mikrobiologie Und Immunitätsforschung. Brand: Springer, 2011.
Cerca il testo completoKlein, J., P. K. Vogt, H. Koprowski, F. Melchers, J. H. Humphrey, W. Arber, W. Henle et al. Current Topics in Microbiology and Immunology. Springer, 2011.
Cerca il testo completoHumphrey, J. H., W. Arber, W. Henle, P. H. Hofschneider e N. K. Jerne. Current Topics in Microbiology and Immunology. Springer, 2011.
Cerca il testo completoBraun, W., R. Haas, F. Cramer, W. Arber e W. Henle. Current Topics in Microbiology and Immunology: Ergebnisse der Mikrobiologie und Immunitätsforschung. Springer, 2012.
Cerca il testo completoFalkow, S., W. Arber e W. Henle. Current Topics in Microbiology and Immunology. Springer, 2011.
Cerca il testo completoKlein, J., W. Arber, W. Henle, P. H. Hofschneider e J. H. Humprey. Current Topics in Microbiology and Immunology. Springer, 2011.
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