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Academic literature on the topic 'Récepteur B[bêta]₂-adrénergique'
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Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Récepteur B[bêta]₂-adrénergique.'
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Journal articles on the topic "Récepteur B[bêta]₂-adrénergique"
Childs, M., J. F. Allilaire, L. Lacomblez, R. Jouvent, Y. Lecrubier, and A. J. Puech. "Évaluation de la réactivité des récepteurs bêta-adrénergiques cardiaques chez des sujets déprimés." Psychiatry and Psychobiology 1, no. 2 (1986): 156–61. http://dx.doi.org/10.1017/s0767399x00003242.
Full textRavel, Jean-Marie, and Emmanuel J. M. Mignot. "Narcolepsie : une maladie auto-immune affectant un peptide de l’éveil liée à un mimétisme moléculaire avec des épitopes du virus de la grippe." Biologie Aujourd’hui 213, no. 3-4 (2019): 87–108. http://dx.doi.org/10.1051/jbio/2019026.
Full textFillion, 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 textDissertations / Theses on the topic "Récepteur B[bêta]₂-adrénergique"
Lebesgue, Diane. "Anticorps anti-récepteur bêta-2-adrénergique à activité agoniste." Tours, 1997. http://www.theses.fr/1997TOUR3807.
Full textAudigane, Leslie. "Le récepteur β3-adrénergique, nouvelle cible potentielle dans le traitement de l'insuffisance cardiaque." Lyon 1, 2008. http://www.theses.fr/2008LYO10312.
Full textUntil recently, studies on β-adrenergic (β-AR) regulation of cardiovascular function concerned global β-AR or β1/β2-AR effects, without considering β3-AR. The aim of this thesis work is to study β3-AR roles in comparison to β1- and β2-AR in the regulation of cardiovascular function in normal or pathological conditions. The β3-AR regulation of cardiac function is not yet completely understood. This is due, at least in part, to the lack of relevant animal model easily used in laboratories. Thus, the aim of the first part of this work is to characterize electrophysiological and contractile effects of cardiac β3-AR stimulation in rabbit heart. β-blocking molecules are largely used in heart failure treatment. Among the 3rd class of β-blockers with vasodilatating properties, nebivolol shows β3-AR agonistic properties. The aim of the second part is double: (1) to determine the adrenergic targets of nebivolol enantiomers using a functional approach and (2) to compare the effects of nebivolol and a 2nd generation β-blocker, bisoprolol, in the treatment of acute and chronic ischemic heart failure in rats. After cardiovascular pathologies, septic choc is the first death cause in intensive unit care and is associated to cardiovascular failure. Present treatments act on β-AR despite that data concerning cardiovascular βAR remodelling in septic choc are limited and contradictory. The aim of the third part is to characterize β-AR cardiovascular remodelling in an endotoxemic rat model
Sèze-Goismier, Camille. "Rôle physiologique du récepteur β3-adrénergique vasculaire dans l’insuffisance cardiaque." Lyon 1, 2008. http://www.theses.fr/2008LYO10067.
Full textThis work concerned the study of the involvement of a catecholaminergic receptor, the β3-adrenoceptor, in the cardiovascular physiopathology. There were three steps. First, the expression of a functional β3-adrenoceptor was shown in the human internal mammary artery. This receptor induces the vasodilatation via the NO pathway. Then, the modifications of the expression and the function of the vascular β-adrenoceptor induced by heart failure (HF) were studied in a rat model of coronary artery ligation. At terminal stage of HF, the β3-adrenoceptor is overexpressed and the vasodilatation induced by its stimulation is potentiated. The last part of this work consisted in the study of the consequences of the overexpression of the human β3-adrenoceptor at the endothelial level in a model of transgenic rat developed in our laboratory. The understanding of the involvement of the three β-adrenoceptors subtypes in the development of HF will allow a better adaptation of the β-blocking therapy to the different stages of this pathology
Voisin, Pierre-Jean. "Les cultures de cellules cérébelleuses comme modèle d'étude cellulaire de la modulation de l'expression d'un récepteur : le récepteur béta-adrénergique." Bordeaux 2, 1987. http://www.theses.fr/1987BOR22018.
Full textRouget, Céline. "Le récepteur β3-adrénergique du muscle lisse utérin humain : une cible potentielle d'agents tocolytiques." Paris 5, 2004. http://www.theses.fr/2004PA05P614.
Full textThe preterm birth represents the leading cause of neonatal mortality and morbidity in developed countries. The strategies for medical management remain restricted and relatively inefficient. Amongst different actions undertaken to reduce preterm birth and health problems of preterm neonates, the development of new pharmacological tools to treat uterine contractility dysfunction is essential. We were interested in the b3-adrenoceptor and its agonists known to have myorelaxant properties on the uterus smooth muscle, the myometrium. The aim of our work consisted in the pharmacological characterisation of the b3-adrenoceptor in the human myometrium, on the one hand in studying the influence of pregnancy on the expression of this receptor and on the other hand, by exploring the desensitisation phenomenon which can affect it. Our results give arguments in favour of clinical development of selective b3- adrenoceptor agonists in the pharmacological treatment of preterm labour
Leblais, Véronique. "Caractérisation pharmacologique du récepteur β-3-adrénergique dans le système cardio-vasculaire." Paris 11, 1999. http://www.theses.fr/1999PA11T047.
Full textA functional β3-adrenoceptor has been recently described in the human heart. The β3- adrenoceptor stimulation, in contrast to that of β1- and β2-adrenoceptors, decreases cardiac contractility through a pertussis toxin (PTX) sensitive Guo protein. We have shown that this negative inotropic effect involves a NO Synthase (NOS) activation and an increase in intracellular cGMP level. For the first time, a channel, CFfR (Cystic Fibrosis Transmembrane conductance Regulator), is described as a β3-adrenoceptor effector. Furthermore, we have shown, in a heterologous mammalian expression system, that the regulation of CFfR chloride conductance by the β3-adenoceptor is independent of the cAMP/PKA pathway, but involves a PTX sensitive Giio protein. We also suggest that this regulation is not mediated by NOS and does not imply the cytosolic protein NHE-RF (Na+IH+ Exchanger Regulator Factor). Activation of CFfR could explain in part the decrease in action potential duration induced by the β3-adrenoceptor stimulation. Pharmacological tools allowed us to demonstrate that the β3-adrenoceptor is expressed in the rat aorta. The β3-adrenoceptor stimulation induces a vasorelaxation which depends on the endothelium and is mediated through the activation of a NOS pathway and an increase in intracellular cGMP level. The β3-adrenoceptor characterization in the cardiovascular system provides new cellular coupling pathways for this receptor
Bouhelal, Mohammed Rochdi. "Contribution à l'étude de la régulation fonctionnelle et métabolique du système récepteur bêta-adrénergique-adénylate-cyclase." Montpellier 2, 1987. http://www.theses.fr/1987MON20054.
Full textTellez, Stéphane. "Modulation noradrénergique in vivo du système nerveux central cholinergique : rôle du récepteur alpha-2 adrénergique." Toulouse 3, 1996. http://www.theses.fr/1996TOU30276.
Full textLarrouy, Dominique. "Le récepteur A1 de l'adénosine du tissu adipeux : distribution, couplage et régulation, comparaison avec le recepteur alpha2 adrénergique." Toulouse 3, 1993. http://www.theses.fr/1993TOU30002.
Full textGarnier, Vincent. "Le couplage du récepteur bêta-adrénergique à la protéine Gs dans l'encéphale de rat : mise en évidence d'une modulation physiologique." Paris 11, 1999. http://www.theses.fr/1999PA11T014.
Full textThe P-adrenoceptors (βAR) of the central nervous system are relatively less studied than those of the periphery. This work ai ms at characterising the coupling of central βAR with G8 proteins and adenylyl cyclase, to eventually show differences with those of peripheral organs. In the presence of an agonist, βAR display two different states, named low- and highaffinity states. The latter state is responsible for the signal transmission, and it was confirmed by measuring the formation of cAMP in slices of rat cortex and cerebellum which βAR were stimulated. The high-affinity state is due to the direct binding of the G8 protein to the βAR. In the periphery, an excess of GTP or of an analog - like 5'-guanylylimidodiphosphate (GppNHp) -induces the separation of G8 proteins from the receptors ; the latters are then ali in the lowaffinity state. However, this conversion was only partial in the cortex and cerebellum synaptosomes, whereas it was total in rat cultured astrocytes. The G8 proteins activities in the basal state as weil as in the activated state were at least twice higher in cultured astrocytes as compared with those of synaptosomes. Subsequently to a mild detergent treatment followed by the extraction of the detergent soluble part, receptors in the high-affinity state - which proportions were clearly increased - became totally sensitive to the excess of GppNHp, and Gs proteins activities were doubled. In contrast, this treatment had no significant effect on cultured astrocytes. In reconstitution experiments with detergent - treated membranes, the detergent - soluble part allowed in a dose dependant manner the restoration - or even the induction in the case of cultured astrocytes - of the GppNHp-insensitivit y to the totality of βAR in the high-affinity state. Taken together, these results suggest the presence of a GppNHp-insensitivity factor in the rat central nervous system, able to bind to G8 proteins. This probably proteic factor could be a transmission regulator, not only for the P-adrenergic signal, but also for other receptor-G protein couples
Books on the topic "Récepteur B[bêta]₂-adrénergique"
1946-, Frishman William H., ed. Beta₃-adrenergic agonism: A new concept in human pharmacotherapy. Armonk, N.Y: Futura, 1995.
Find full textFrishman, William H., and Daniel E. Goldberg. Beta3 Adrenergic Agonism: A New Concept in Human Pharmacotherapy. Futura Publishing Company, 1995.
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