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Academic literature on the topic 'Récepteurs 5-HT1A'
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Journal articles on the topic "Récepteurs 5-HT1A"
Fillion, G., C. Harel, I. Cloez, P. Barone, F. Atger, MP Fillion, N. Prudhomme, et al. "Récepteurs sérotoninergiques 5-HT1D et antidépresseurs." Psychiatry and Psychobiology 5, no. 3 (1990): 187–94. http://dx.doi.org/10.1017/s0767399x00003485.
Full textLe Bars, Didier. "MPPF et imagerie des récepteurs 5-HT1A de la sérotonine." Médecine Nucléaire 31, no. 9 (September 2007): 493–97. http://dx.doi.org/10.1016/j.mednuc.2007.07.005.
Full textZimmer, L., B. Vidal, J. Sebti, M. Verdurand, N. Streichenberger, S. Fieux, T. Billard, and A. Newman-Tancredi. "Imagerie post-mortem des sites fonctionnels et non fonctionnels des récepteurs 5-HT1A. Vers un nouveau concept en neuroimagerie TEP ?" Médecine Nucléaire 39, no. 3 (May 2015): 209–10. http://dx.doi.org/10.1016/j.mednuc.2015.03.014.
Full textFabre, V., P. Bonnavion, M. Hamon, J. F. Bernard, and J. Adrien. "Les neurones du noyau dorsal de Gudden qui expriment les récepteurs 5-HT1A sont impliqués dans la régulation des états de vigilance." Médecine du Sommeil 12, no. 1 (January 2015): 16. http://dx.doi.org/10.1016/j.msom.2015.01.145.
Full textManéglier, B., O. Spreux-Varoquaux, G. J. Guillemin, C. Rogez-Kreuz, D. Dormont, C. Advenier, and P. Clayette. "Inhibition par la sérotonine de l'infection par VIH-1 des macrophages en culture primaire: rôle du sous-type 5-HT1A des récepteurs sérotoninergiques." Pathologie Biologie 55, no. 10 (December 2007): 495–503. http://dx.doi.org/10.1016/j.patbio.2007.07.001.
Full textBoutrel, B., M. Hamon, and J. Adrien. "Étude des états de vigilance chez la sourisn'exprimant pas le récepteur 5-HT1B. Effets de ligands 5-HT1A et 5-HT1B." Neurophysiologie Clinique/Clinical Neurophysiology 28, no. 2 (May 1998): 157. http://dx.doi.org/10.1016/s0987-7053(98)80033-6.
Full textValade, Dominique. "Les avancées dans les traitements de crise et de fond de la maladie migraineuse." Biologie Aujourd'hui 213, no. 1-2 (2019): 59–64. http://dx.doi.org/10.1051/jbio/2019021.
Full textMick, G. "Une nouvelle génération de traitements spécifiques de la crise migraineuse : ditans et gépants." Douleur et Analgésie 33, no. 3 (September 2020): 153–56. http://dx.doi.org/10.3166/dea-2020-0128.
Full textGalusca, B., C. Bossu, N. Germain, N. Costes, D. Le Bars, and B. Estour. "CO26 - Le récepteur 5-HT1A évalué par PET scan cérébral dans les troubles du comportement alimentaire." Annales d'Endocrinologie 67, no. 5 (October 2006): 393. http://dx.doi.org/10.1016/s0003-4266(06)72641-5.
Full textGardier, Alain M., Anne-Cécile Trillat, Isabelle Malagié, Denis David, Martine Hascoët, Marie-Claude Colombel, Pascale Jolliet, Christian Jacquot, René Hen, and Michel Bourin. "Récepteurs 5-HT1B de la sérotonine et effets antidépresseurs des inhibiteurs de recapture sélectifs de la sérotonine." Comptes Rendus de l'Académie des Sciences - Series III - Sciences de la Vie 324, no. 5 (May 2001): 433–41. http://dx.doi.org/10.1016/s0764-4469(01)01332-4.
Full textDissertations / Theses on the topic "Récepteurs 5-HT1A"
Varrault, Annie. "Mécanismes d'actions moléculaires et cellulaires des récepteurs de la sérotonine 5-HT1A." Montpellier 1, 1993. http://www.theses.fr/1993MON13508.
Full textLemoine, Laëtitia. "Apports de la TEP dans l'imagerie moléculaire des récepteurs sérotoninergiques 5-HT1A et 5-HT7." Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00863811.
Full textLemoine, Laëtitia. "Apports de la TEP dans l’imagerie moléculaire des récepteurs sérotoninergiques 5-HT1A et 5-HT7." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10039/document.
Full textThe serotonergic system, implicated in several diseases of central nervous system, can be explored in vivo by PET imaging (positron emission tomography). The research and the preclinical validation of radiotracers that specifically target serotonin are crucial. In this work, we focused on two serotonin receptors for which we have developed molecular tools for functional imaging: (i) the 5-HT1A and (ii) the 5-HT7. (i) 5-HT1A receptors are among the serotonin receptors the best described at present. However, if PET radiotracers are already available, they are antagonists and bind either to 5-HT1A receptors, G protein-coupled and functional, and to 5-HT1A receptors decoupled and non-functional. We therefore proposed an original strategy to develop a 5-HT1A agonist labeled with fluorine to access imagery of functional receptors. Two molecules, the F15599 and F13714, initially developed for their antidepressant properties by an industrial partner, were radiolabeled with fluorine-18 and were evaluated in vitro, ex vivo and in vivo in rats and cats. Our results show that the [18F] F13714 may view in a new way the 5-HT1A G protein-coupled (ii) The second focus of this thesis for the 5-HT7, recently discovered and proposed as a therapeutic target antidepressant. Unlike the 5-HT1A, 5-HT7 receptors do not yet have PET radiotracer. Our approach was to select, from the pharmacophore of the receptor, four structures of 5-HT7 antagonists, synthesized by a lab partner in chemistry: the 2FP3, the 4FP3, the 2FPMP and 4FPMP. Our radiopharmacology in vitro, ex vivo and in vivo led us to retain a radiotracer, the [18F] 2FP3. At the conclusion of this thesis CIFRE, we can propose two originals PET radiotracers , opening new perspectives for molecular imaging of neurotransmission of 5-HT1A and 5-HT7 receptors and which we plan further development as clinical radiopharmaceuticals
Wolff, Mathieu. "Caractérisation cognitive de souris mutantes pour les récepteurs 5-HT1A, 5-HT1B et 5-HT4 : aspects méthodologiques, dissociations comportementales et systèmes de mémoire." Bordeaux 1, 2004. http://www.theses.fr/2004BOR12854.
Full textVidal, Benjamin. "La neuroimagerie TEP-IRM pour l'exploration de l'agonisme des récepteurs 5-HT1A." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1235/document.
Full textSince the 1990s, PET imaging of 5-HT1A receptors has led to an increased understanding of the pathophysiological role of these receptors. However, the coupling between 5-HT1A receptors and G-proteins, which may be altered during pathologies, cannot be explored using current radiotracers. The work carried out in this thesis aims to promote the use of translational imaging techniques to explore the coupling of 5-HT1A receptors in vivo. In the first part, we evaluated the 5-HT1A receptor agonist F13640 as a PET radiotracer candidate. Taken together, the results suggest that [18F]F13640 binds specifically to coupled 5-HT1A receptors and displays novel properties and distribution pattern compared to classical 5-HT1A radiotracers. The second part was a proof-of-concept study regarding the interest of coupled 5-HT1A receptors imaging. Densities of coupled and total receptors were compared in postmortem autoradiography during Alzheimer’s disease. [18F]F13640 binding in hippocampus was decreased in the early stages, whereas [18F]MPPF binding was reduced in the advanced stages only. These results confirm the complementarity between 5-HT1A receptor agonists and antagonist tracers in PET imaging.In the last part we focused on the concept of biased agonism, which implies the possibility of targeting different populations of 5-HT1A receptors depending on their coupling with G-proteins. F13640 and F15599 were compared at pharmacological doses using PET and fMRI imaging. The two agonists produce different hemodynamic and metabolic responses in rat brain. They also differ in cat brain in terms of receptor occupancy and subsequent hemodynamic responses. Taken together, the results are consistent with a preferential stimulation of postsynaptic receptors over autoreceptors for F15599, in contrast with F13640
Becker, Guillaume. "Nouveaux concepts pour une imagerie fonctionnelle des récepteurs sérotoninergiques 5-HT1A et 5-HT6 lors de processus neurodégénératifs." Thesis, Lyon 1, 2013. http://www.theses.fr/2013LYO10270/document.
Full textPET imaging using 5-HT1A radiotracers shows a modified expression of this serotonin receptor in the hippocampus of Alzheimer’s disease (AD) patients. However, these antagonists PET radioligands bind indiscriminately to the functional and the non-functional states of 5-HT1A receptors. The comparison of a PET agonist, binding selectively to the functional receptors, with a PET antagonist would therefore provide original information on 5-HT1A receptor impairment during AD. We found that [18F]F15599 in vitro binding decreased in dentate gyrus of AD patients. In contrast, binding of [18F]MPPF was unchanged. These results support the concept of functional PET imaging using agonist radiotracers in clinical studies. Then, we compared with functional MRI (PhMRI) the pharmacological profile of three 5-HT1A agonists (8-OH-DPAT, F13714 and F15599) and one antagonist (MPPF). PhMRI revealed that each molecule has its specific activation pattern, opening new ways in pharmacology or imaging. Finally, we developed in collaboration with chemists several 5-HT6 radioligand-candidates and evaluated their characteristics for PET imaging. Three radiotracers were evaluated in vitro and in vivo in rodent and feline models. We concluded that [18F]2FNQ1P is the first radioligand with suitable characteristics for PET imaging of 5-HT6 receptors, justifying further evaluations
Alexandre, Chloé. "Sérotonine et états de vigilance : implications du transporteur et des récepteurs 5-HT1A et 5-HT1B de la sérotonine dans la régulation du sommeil chez la souris." Paris 6, 2007. http://www.theses.fr/2007PA066553.
Full textDidelot, Adrien. "Étude par la TEP au [18F]MPPF des récepteurs cérébraux sérotoninergiques 5-HT1A dans l’épilepsie du lobe temporal." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10104/document.
Full textIn patients suffering from epilepsy, no neuroimaging method has proved able to delineate the epileptogenic zone (EZ), which is defined by the area of cortex required to generate the epileptic seizures. About one third of patient suffering from temporal lobe epilepsies (TLE) are not seizure free after surgery after removal of the cortical area supposed to included the EZ according to the presurgical evaluation. Data from previous studies carried out in our departement suggested that decreases of the [18F]MPPF binding potential (BPND) correlated, at the group level, with cortical epileptogenicity. Our aim was to validate the relevance of [18F]MPPF PET at the individual level for identifying the EZ in TLE. In a first study, the [18F]MPPF PET of 42 patients suffering from TLE were visually and statistically analyzed and compared with [18F]FDG PET, which were performed in the same group of patients during their presurgical evaluation. In a second study, we developed a voxel based analysis of asymmetry index (AI) of [18F]MPPF binding and compared the sensibility and specificity of this method to those of conventional SPM analysis of [18F]MPPF PET data. This second study was carried out in 24 patients, who have been operated and remained seizure-free after surgery. Two statistical thresholds (p< 0.05 corrected at the voxel level and p< 0.05 corrected at the cluster level) were used for each method. In a last study, the correlation between the depressive symptoms and the BPND of [18F]MPPF was studied in 24 patients suffering from TLE. These three studies lead to the following conclusions: i) [18F]MPPF PET is more performant than [18F]FDG PET for identifying the epileptogenic lobe in patients suffering from TLE, ii) AI analysis with a statistical threshold of p< 0.05 corrected at the cluster is the method of analysis of [18F]MPPF PET that allowed EZ identification with the best sensitivity [96%] and specificity [88%] in TLE, iii) at the group level, depressive symptoms positively correlate with an increase of the BPND of [18F]MPPF BPND within the raphe nuclei and the insula controlateral to the EZ
Carrel, Damien. "Mécanismes d'adressage des recepteurs 5-HT1A et 5-HT1B de la sérotonine : caractérisation de motifs dans la séquence des récepteurs et identification de protéines partenaires." Paris 6, 2006. http://www.theses.fr/2006PA066346.
Full textKoenig, Julie. "Implication des récepteurs 5-HT1A du septum médian dans la mémoire spatiale chez le rat." Université Louis Pasteur (Strasbourg) (1971-2008), 2007. https://publication-theses.unistra.fr/public/theses_doctorat/2007/KOENIG_Julie_2007.pdf.
Full textThis thesis aims at characterizing the implication of 5-HT1A receptors of the medial septum in spatial memory in the Rat. We investigated the effects of an intraseptal infusion of 8-OH-DPAT, a mixed 5HT1A and 5-HT7 receptors agonist, on reference memory performances in the Morris Water Maze. The 8-OH-DPAT-induced deficits in this test cannot be explained by a perturbation of anxiety, locomotor activity, sensorimotor or motivational abilities. However, our results show that 8-OH-DPAT impairs declarative-like information encoding or consolidation within a given postacquisition time window. Moreover, 8-OH-DPAT-induced deficits involve activation of 5-HT1A receptors but not of 5-HT7 receptors by a mechanism to which cholinergic neurons of the medial septum are not essential