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Academic literature on the topic 'Opioïdes – Récepteurs'
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Journal articles on the topic "Opioïdes – Récepteurs"
Cesselin, F. "Les récepteurs des opioïdes." Douleur et Analgésie 1, no. 1 (March 1988): 3–10. http://dx.doi.org/10.1007/bf03007375.
Full textGaborit, M., and D. Massotte. "Associations entre récepteurs opioïdes : vers de nouvelles stratégies thérapeutiques pour la douleur et l’addiction." Douleur et Analgésie 32, no. 2 (June 2019): 111–12. http://dx.doi.org/10.3166/dea-2019-0057.
Full textCesselin, F. "Les endomorphines et les récepteurs des opioïdes." Trait - d'Union 2, no. 4 (December 1987): 11–20. http://dx.doi.org/10.1016/s0980-9090(87)80043-5.
Full textGaveriaux-Ruff, C. "O02 Récepteurs opioïdes mu/delta et analgésie." Douleurs : Evaluation - Diagnostic - Traitement 8 (October 2007): 28–29. http://dx.doi.org/10.1016/s1624-5687(07)73099-8.
Full textVadder, Filipe De, Amandine Gautier-Stein, and Gilles Mithieux. "Les récepteurs µ-opioïdes de la veine porte." médecine/sciences 29, no. 1 (January 2013): 31–33. http://dx.doi.org/10.1051/medsci/2013291010.
Full textMion, G. "Pharmacologie de la kétamine." Douleur et Analgésie 34, no. 1 (March 2021): 3–15. http://dx.doi.org/10.3166/dea-2021-0162.
Full textBarataud, A., D. Goncalves, J. Vinera, M. F. De vadder, C. Zitoun, A. Duchampt, and G. Mithieux. "Rôle des récepteurs mu-opioïdes dans les améliorations métaboliques après By-Pass gastrique." Annales d'Endocrinologie 74, no. 4 (September 2013): 256. http://dx.doi.org/10.1016/j.ando.2013.07.074.
Full textDuraffourd, C., F. Deleare, B. Brusset, A. Duchampt, and G. Mithieux. "PO37 Rôle des récepteurs μ-opioïdes dans les effets de satiété dépendants de la néoglucogenèse intestinale." Diabetes & Metabolism 36 (March 2010): A37. http://dx.doi.org/10.1016/s1262-3636(10)70143-9.
Full textMithieux, Gilles. "Rôle des récepteurs mu-opioïdes dans la régulation d’un axe intestin–cerveau de contrôle de la prise alimentaire." Cahiers de Nutrition et de Diététique 48, no. 2 (April 2013): 92–97. http://dx.doi.org/10.1016/j.cnd.2013.02.002.
Full textMaarrawi, J., R. Peyron, P. Mertens, N. Costes, M. Magnin, M. Sindou, B. Laurent, and L. Garcia-Larrea. "Sélection des meilleurs candidats à la stimulation du cortex moteur à visée antalgique : étude des récepteurs opioïdes par TEP." Neurochirurgie 58, no. 6 (December 2012): 409. http://dx.doi.org/10.1016/j.neuchi.2012.10.003.
Full textDissertations / Theses on the topic "Opioïdes – Récepteurs"
Ugur, Müzeyyen. "Opioïdes, nourriture palatable et exercice." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAJ061.
Full textIn the thesis, we studied the functional cross-talk between mu and delta opioid receptors in rewarding conditions elicited by natural stimuli such as palatable food and/or exercise or by drugs of abuse such as morphine. Using mu-mCherry/delta-eGFP double knock-in mice, we showed that mu-delta heteromerization alters mu opioid receptor signaling and trafficking in response to the endogenous opioid peptide met-enkephalin, but not β-endorphin, in primary hippocampal cultures and in vivo. We also showed that chronic morphine administration extended mu-delta neuronal co-expression throughout the brain which persisted after 4 weeks abstinence, pointing to morphine-induced long- lasting changes. In the second part of the thesis, neuroanatomical connections of the subfornical area of the lateral hypothalamus (LHsf) were mapped in mice and examined the activation of mu and delta receptors in this region following fasting and refeeding in HF diet and chow diet. Within the LHsf, which was reciprocally connected to many hypothalamic and reward related brain areas, fasting internalized delta receptors irrespective to the diet regimen whereas refeeding differentially activated mu and receptors in chow-fed and HFD-fed animals. Finally, opioid system related gene expression was measured in the long-term fc-HFHS fed and voluntary wheel running rats, which only revealed an interaction effect for delta opioid receptor expression in the LH
Weibel, Raphaël. "Récepteurs opioïdes périphériques : de nouvelles cibles pour le traitement des douleurs chroniques." Strasbourg, 2011. http://www.theses.fr/2011STRA6247.
Full textLes opiacés sont les médicaments les plus utilisés pour le traitement des douleurs sévères. Ils produisent leurs effets en activant les récepteurs opioïdes mu, delta et kappa, qui sont exprimés tout le long des voies nociceptives. L'utilisation de ces opiacés est souvent freinée par des effets secondaires tels que la constipation, la sédation et la nausée provoqués par l'activation du récepteur mu du système nerveux central. Une piste à l'étude pour obtenir une analgésie opiacée dénuée d'effets secondaires est le ciblage des récepteurs du système nerveux périphérique. Mon projet de thèse a visé à déterminer si les récepteurs opioïdes du système nerveux périphérique pouvaient constituer de nouvelles cibles thérapeutiques contre la douleur. Afin d’évaluer le rôle de ces récepteurs périphériques, j'ai utilisé une approche génétique chez la souris, qui est l’inactivation conditionnelle de gènes spécifiquement dans les neurones nociceptifs primaires Nav1. 8+. La caractérisation moléculaire de cette souris knockout conditionnelle pour le récepteur mu dans les neurones périphériques Nav1. 8+ a montré qu’il y a bien une délétion de ces récepteurs mu dans ces neurones. Cette délétion n’a pas d’effet sur le contrôle de la nociception basale. Par contre en douleur inflammatoire, les récepteurs mu des neurones périphériques Nav1. 8+ sont en partie nécessaires à l’action analgésique systémique de la morphine et du fentanyl. Ces résultats montrent que l’implication des récepteurs mu des neurones périphériques Nav1. 8+ est plus importante dans des conditions de douleur inflammatoire qu’en nociception basale
A major challenge in pain research is the identification of key opioid receptor populations within nociceptive pathways which control physiological and pathological pain. Opiates are the main drugs used for severe pain treatment. They produce their effect through the activation of mu, delta and kappa opioid receptors which are broadly distributed throughout the nociceptive pathways. Opiates like morphine or fentanyl target the mu opioid receptor. Opiates use is often curbed by side effects such as respiratory depression, constipation, sedation and nausea, caused by activation of mu receptors of the brain. A new strategy to obtain an opiate analgesia devoid of side effects is to target peripheral nervous system receptors. In my thesis project, I have studied whether the peripheral nervous system opioid receptors could represent new therapeutic targets for pain treatment, by using a conditional knockout approach strategy in the mouse. This study reveals the existence of mu opioid receptor-mediated mechanisms, which operate at the level of Nav1. 8-positive nociceptive neurons. Indeed, the molecular characterization of the conditional knockout has shown that there is a deletion of mu opioid receptors in the primary Nav1. 8+ nociceptive neurons. This deletion has no effect neither on basal nociception, nor on morphine analgesic action in basal nociception. However in inflammatory pain situation, mu opioid receptor of peripheral Nav1. 8+ neurons are partly required for systemically injected morphine and fentanyl analgesic action. This shows that the implication of Nav1. 8 peripheral mu receptors is more important under inflammatory pain condition than in basal nociception conditions
Coulbault, Laurent. "Mécanismes impliqués dans la régulation des MAP kinases par les récepteurs opioïdes delta." Caen, 2008. http://www.theses.fr/2008CAEN3010.
Full textOpioid receptor desensitization, endocytosis, and cellular trafficking may play an important role in the development of opiate tolerance. Previous studies in our laboratory showed an agonist dependent regulation of human delta opioid (hDOP) receptor observed on cAMP pathway desensitisation and receptor endocytosis. In this work, we studied the effect of selective (DPDPE, deltorphin I, UFP-512) and non-selective (etorphine, morphine) agonists on Mitogen-Activated Protein Kinases pathways in SK-N-BE cell line. Our major findings are summarized as follows: selective and non-selective agonists activate Extracellular signal-Regulated protein Kinases ERK1/2 by similar pathways; as previously demonstrated on the cAMP pathway, chemical structure of agonists affects hDOP receptor desensitization on ERK1/2; ERK1/2 are not involved in the regulation of hDOP receptor endocytosis; a differential hDOP receptor regulation (internalization and desensitization on cAMP pathway) by β-arrestin 1 upon selective and non-selective opioid agonists exposure, our results suggest that β-arrestin 1 can interact with two sites on hDOP receptor producing either desensitisation or internalisation, β-arrestins and hDOP endocytosis are not involved in ERK1/2 activation with opioïd agonists; we demonstrate a link between the propensity of an opioid agonist, UFP-512, to produce a weak desensitization on adenylyl cyclase and ERK1/2 pathways, a strong hDOP endocytosis associated with a significant recycling, and the absence of tolerance in vivo
Contet, Candice. "Récepteurs aux opioïdes : Adaptation moléculaires et comportementales à la morphine et souris génétiquement modifiées." Université Louis Pasteur (Strasbourg) (1971-2008), 2006. http://www.theses.fr/2006STR13009.
Full textMorphine pharmacological action is mediated by the mu opioid receptor, which belongs, together with delta and kappa receptors and about thirty peptides, to the endogenous opioid system. Mu receptor agonists are used both clinically, to treat severe pain, and illegally, because of their reinforcing properties. Repeated use of those compounds induces behavioural adaptations, such as analgesic tolerance, physical dependence or addiction. N order to assess the involvement of mu receptor desensitisation in morphine-induced adaptations, we decided to generate a knock-in mouse expressing a truncated mu receptor, resisting to desensitisation in vitro. First, the mutated transcript underwent nonsense-mediated mRNA decay (NMD), bringing the first direct evidence that NMD operates in mammalian brain. Second, the mutant mu receptor displayed a major expression deficit, indicating that the deletion of mu receptor carboxy-terminal tail hampers correct biogenesis. We set up distinct regimens of chronic morphine treatment to induce analgesic tolerance, psychomotor sensitization or physical dependence in wild-type mice. We showed that these behavioural adaptations are not associated with a modification of mu receptor, adenylate cyclase or cdk5 kinase activities, in several brain regions. We used brain tissue from opioid receptor triple knockout mice to investigate the nature of epsilon receptor, pharmacologically defined as a beta-endorphin preferring binding site. We demonstrated that beta-endorphin stimulated G-protein activation is mediated by a site involving mu, delta and/or kappa receptors. We used knockout mice to show that mu and delta receptors are both involved in 32°C-forced swim-induced analgesia but that none of the three opioid receptors contributes to ACTH and corticosterone secretion consecutive to this stress
Ding, Zhong. "Activities of neuropeptide FF receptors : in vitro anti-opioid and in vivo anti-depressant effects." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30145/document.
Full textNeuropeptide FF (FLFQPQRFa, NPFF) is considered as a potent opioid-modulating peptide. It exhibits the opioid-modulation effect by activating two G protein-coupled receptors, NPFF1 and NPFF2. Several observations suggest that the anti-opioid effect of NPFF is more likely mediated by a cross-talk between NPFF and opioid receptors in the same neuron rather than an indirect effect due to a neuronal circuitry. Nevertheless, the precise molecular mechanisms underlying the cross-talk between both receptors remain need to be investigated. This work is composed of two main parts : 1) Neuropeptide FF receptors and the molecular mechanisms of their anti-opioid effect. We tested both direct and anti-opioid activities of NPFF receptors on Ca2+ transient induced by depolarization in mouse dorsal raphe nucleus (DRN) neurons. The NPFF receptor preferentially coupled with Gi/o proteins, which induced the direct activity. Different threshold to observe the direct and anti-opioid effect of NPFF suggested that the specific anti-opioid activity of NPFF receptors was not a direct consequence of their activity on Ca2+ transients. Furthermore, we studied the molecular mechanisms underlying the cross-talk between NPFF and NOP (Nociceptin/Orphanin FQ, N/OFQ) receptors in mouse DRN neurons and SH-SY5Y human neuroblastoma cells. Data from Ca2+ imaging, [35S]GTPyS binding assay and western blot indicated that cholesterol-rich lipid rafts, which acted as a "platform", were involved in NPFF anti-N/OFQ effect, and the siRNA interference data showed that GRK2 protein mediated this process. 2) The potential role of Neuropeptide FF in anti-depressant response. In order to test the potential role of Neuropeptide FF in anti-depression, the NPFF analogue 1DMe was locally injected into mouse DRN. We observed a decrease of immobility time and an increase of grooming time, in tail suspension test and splash test, respectively, after 1DMe treatment. RF9, the specific antagonist of NPFF receptors, reversed the anti-depression effect of 1DMe. Referencing the strong anti-depression effect of NOP receptor antagonists after DRN injection and the cellular anti-N/OFQ activity of NPFF receptors in this nucleus, the hypothesis that the anti-depression effect of NPFF may due to its cellular anti-N/OFQ activity is interesting to be further verified
Pommier, Blandine. "Récepteur à la cholécystokinine de type 2 : étude des voies de signalisation intracellulaires et rôle sans la régulation du système opioi͏̈de endogène." Paris 5, 2001. http://www.theses.fr/2001PA05P603.
Full textScherrer, Grégory. "Etude de la fonction du récepteur aux opioïdes delta par modification génétique chez la souris." Université Louis Pasteur (Strasbourg) (1971-2008), 2005. http://www.theses.fr/2005STR13151.
Full textThe opioid system is a neuromodulator system composed of mu, delta and kappa opioid receptors, and their endogenous peptidic ligands. The opioid system regulates numerous central and peripheral functions such as pain control and emotional responses. The goal of this work was to better understand delta opioid receptor function. The strategy relied on the study of mutant mice. In the first part of this work, we analyzed the behaviour of mice deficient for delta opioid receptors in several models of pain, anxiety, depression and memory. We managed both to clarify the involvement of delta opioid receptors in the control of acute thermal pain, and to reveal its participation to mechanisms underlying processing of contextual memory. In the second part of this work, we have established a mouse line harbouring a floxed delta opioid receptor gene. These animals, which express functional delta opioid receptors at physiological levels, will be useful to study the function of delta opioid receptors expressed in different brain structures through local gene invalidation gene by region-specific expression of the Cre recombinase. Finally, in the third part of this work, we have both generated and analyzed a mouse line expressing delta opioid receptors fused to the green fluorescent protein GFP. Direct visualization of delta on brain slices revealed its distribution and subcellular localization and allowed characterization of delta expressing neurons. Receptor trafficking was also studied, on tissue sections as well as in real-time on primary cultures, to reveal relationship existing between dynamic properties and subcellular localization of delta opioid receptors and their activity in vivo
Rezaï, Xavier. "Activation et internalisation du récepteur aux opiodés delta en tranche aiguë hippocampique de souris." Strasbourg, 2011. https://publication-theses.unistra.fr/public/theses_doctorat/2011/REZAI_Xavier_2011.pdf.
Full textThe delta opioid receptor belongs to the opioid system, a neuromodulatory system composed of endogenous peptides (enkephalins, dynoprhins and beta-endorphin) and of three receptors (mu, delta and kappa). Our laboratory is interested in opioid receptors adaptative responses to drugs of abuse. The delta opioid receptor is expressed in the hippocampus, and the important role of this brain structure in episodic memory brings growing interest toward it’s implication in drug / context interactions. Although the expression of the delta receptor in hippocampal interneurons is known for a long time, it’s function in hippocampal networks such as CA1 remains poorly studied. Moreover, most studies focusing on the delta receptor were performed in heterologous systems or primary neuron cultures. These models have helped understanding the basic functioning of this receptor, but they do not take into account the diversity of neuronal types. In addition, the morphology and physiology of single neurons in culture are likely to change from the in vivo situation. It is therefore important to study of this receptor in an integrated network in order to understand activation and internalization of the delta receptor in a physiological context. To address these questions, I used a knock-in mouse (DOR-eGFP) developed in the laboratory, that express a fluorescent version of the delta receptor made by adding a green fluorescent protein (eGFP ) at the C-terminus of the receptor. This mouse is an excellent tool to visualize the receptor with subcellular resolution in vivo and thus compensate for the lack of specific antibodies. [etc. . . ]
Laux-Biehlmann, Alexis. "Nouvelles données sur la morphine endogène : description de sa localisation dans le système nerveux central et développement d’outils biotechnologiques et thérapeutiques." Strasbourg, 2011. http://www.theses.fr/2011STRA6169.
Full textSince 80s, endogenous morphine (eM), structurally identical to the morphine from poppy, has been found in mammalian central nervous system (CNS). Only few informations are available about eM (cellular localization, models and quantification protocols) and thus, studies of its roles and implications in the brain physiology is difficult. During my thesis, my goal was to developed new tools in order to study and understand the roles of eM in the CNS. First, I have described the localization of eM in the CNS of adult mouse. Using a well characterized antibody, I have demonstrated that eM and its derived compounds are mainly found in astrocytes and GABAergic interneurons throughout the mouse CNS. Secondly, I described two endogenous / exogenous alkaloids binding proteins. (i) The PhosphatidylEthanolamine Binding Protein that is able to bind M6G and M3G in a similar manner as its reference ligand PhosphatidylEthanolamine. (ii) The creatine kinase (CK) that is able to bind eM and its derived compounds with high affinity. Such CK-eM complex is dissociated by a lithium treatment. Finally, in the last part of my results, I have described that the presence of lithium in the collection tube allows a better measuring of eM and exogenous morphine. To conclude, during my thesis I set up new tools and new research lines (eM CNS mapping, binding proteins and better quantification yield) that will allow to study and understand the roles of eM in the CNS of mammals
Roussin-Pascaud, Anne. "Mise en évidence et régulation du couplage entre le récepteur des opioides de type "Op" du cerveau de grenouille (Rana ridibunda) et une protéine G de transduction." Toulouse 3, 1989. http://www.theses.fr/1989TOU30172.
Full textBooks on the topic "Opioïdes – Récepteurs"
Spampinato, Santi M. Opioid receptors: Methods and protocols. New York: Humana Press, 2015.
Find full textSpampinato, Santi M. Opioid Receptors: Methods and Protocols. Springer New York, 2016.
Find full text(Editor), Halina Machelska, and Christoph Stein (Editor), eds. Immune Mechanisms of Pain and Analgesia (Advances in Experimental Medicine and Biology). Springer, 2003.
Find full text