Search Results - "Laguzzi, R."

Activation of nucleus tractus solitarius 5-HT2A but not other 5-HT2 receptor subtypes inhibits the sympathetic activity in rats by Comet, M.-A., Bernard, J. F., Hamon, M., Laguzzi, R., Sévoz-Couche, C.

“…Our first aim was to elucidate the mechanisms underlying the hypotensive response elicited by 5‐HT2 receptor activation in the nucleus tractus solitarius…”
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Role of Nucleus Tractus Solitarius 5-HT3 Receptors in the Defense Reaction-Induced Inhibition of the Aortic Baroreflex in Rats by Sevoz-Couche, C, Comet, M.-A, Hamon, M, Laguzzi, R

“…Institut National de la Santé et de la Recherche Médicale, Unité 288, Faculté de Médecine Pitié-Salpêtrière, 75634 Paris Cedex 13, France Submitted 21 March…”
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Cardiac baroreflex facilitation evoked by hypothalamus and prefrontal cortex stimulation: role of the nucleus tractus solitarius 5-HT2A receptors by Sévoz-Couche, C, Comet, M A, Bernard, J F, Hamon, M, Laguzzi, R

“…We previously showed that serotonin (5-HT2) receptor activation in the nucleus of the tractus solitarius (NTS) produced hypotension, bradycardia, and…”
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Functional interaction between nucleus tractus solitarius NK1 and 5-HT3 receptors in the inhibition of baroreflex in rats by Comet, M-A, Laguzzi, R, Hamon, M, Sévoz-Couche, C

“…Previous data showed that in the nucleus tractus solitarius (NTS), 5-HT(3) receptors are critically involved in the inhibition of cardiac baroreceptor reflex…”
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S.23.01 Cardiovascular reflexes: physiological and pathophysiological influences from the brain by Sevoz-Couche, C, Hamon, M, Bernard, J.F, Laguzzi, R

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Mechanisms underlying the cardiovascular responses to peripheral administration of NPFF in the rat by Allard, M, Labrouche, S, Nosjean, A, Laguzzi, R

“…In the present study, we examined the possibility of the presence of the Phe-Leu-Phe-Gln-Pro-Gln-Arg-Phe-NH2 (NPFF) system in the rat heart as well as the…”
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The Key Role of Medullary 5-HT3 Receptors in the Serotonin-Mediated Neural Control of Cardiovascular Function by Sevoz-Couche, C., Machado, B., Hamon, M., Laguzzi, R.

“…The baroreceptor reflex plays a crucial role in the homeostatic control of cardiovascular parameters. In the central nervous system, the nucleus of the tractus…”
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SEROTONIN3 receptor stimulation in the nucleus tractus solitarii activates non-catecholaminergic neurons in the rat ventrolateral medulla by NOSJEAN, A, CALLERA, J. C, BONAGAMBA, L, MACHADO, B, HAMON, M, LAGUZZI, R

“…The present study was performed to determine whether or not the increased arterial pressure triggered by 5-HT(3) receptor stimulation in the nucleus tractus…”
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Cardiovascular effects induced by the stimulation of neuropeptide FF receptors in the dorsal vagal complex: an autoradiographic and pharmacological study in the rat by Laguzzi, R., Nosjean, A., Mazarguil, H., Allard, M.

“…Previous studies have suggested that central administration of neuropeptide FF-related peptides may modulate cardiovascular parameters in the rat. In the…”
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Baroreceptor reflex inhibition induced by the stimulation of serotonin3 receptors in the nucleus tractus solitarius of the rat by Merahi, N, Orer, H S, Laporte, A M, Gozlan, H, Hamon, M, Laguzzi, R

“…Previous studies suggested that in the nucleus tractus solitarius, cardiovascular responses to serotonin may involve the simultaneous activation of more than…”
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Stimulation of 5-HT3 receptors in the NTS inhibits the cardiac Bezold-Jarisch reflex response by Sévoz, C, Nosjean, A, Callera, J C, Machado, B, Hamon, M, Laguzzi, R

“…Intra-atrial administration of phenylbiguanide has been shown to trigger, through the stimulation of vagal afferent C-fibers, reflex bradycardia, hypotension,…”
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Role of serotonin3 receptors in the nucleus tractus solitarii on the carotid chemoreflex by Sévoz, C, Callera, J C, Machado, B H, Hamon, M, Laguzzi, R

“…The effects of serotonin3 (5-HT3)-receptor stimulation in the nucleus tractus solitarii (NTS) on the cardiovagal, sympathetic, and respiratory responses to…”
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Bradycardic responses to microinjection of N-methyl-D-aspartate into the nucleus tractus solitarius are inhibited by local activation of 5-HT3 receptors by BONAGAMBA, L. G. H, SEVOZ-COUCHE, C, N'DIAYE, A, UYGUN-LOUVET, K, CALLERA, J.-C, MACHADO, B. H, HAMON, M, LAGUZZI, R

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Cardiovascular effects of microinjection of low doses of serotonin into the NTS of unanesthetized rats by Callera, J C, Bonagamba, L G, Sévoz, C, Laguzzi, R, Machado, B H

“…In the present study, we analyzed in conscious rats the effects of microinjections of serotonin (5-HT; pmol range) into the nucleus of the solitary tract (NTS)…”
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5‐HT3 receptor antagonism by anpirtoline, a mixed 5‐HT1 receptor agonist/5‐HT3 receptor antagonist by Göthert, M., Hamon, M., Barann, M., Bönisch, H., Gozlan, H., Laguzzi, R., Metzenauer, P., Nickel, B., Szelenyi, I.

“…1 The aim of this study was to provide evidence that anpirtoline, which is an agonist at 5‐HT1B and 5‐HT1D receptors and also displays submicromolar affinity…”
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Increase in paradoxical sleep after destruction of serotoninergic innervation in the nucleus tractus solitarius of the rat by Nosjean, A, Arluison, M, Laguzzi, R F

“…The evolution of paradoxical sleep, slow-wave sleep and arterial pressure was studied following microinjection of 5,7-dihydroxytryptamine in the nucleus…”
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MEDULLARY PATHWAYS OF CARDIOVASCULAR RESPONSES TO 5-HT2 AND 5-HT3 RECEPTOR STIMULATION IN THE RAT NUCLEUS TRACTUS SOLITARIUS by Laguzzi, R, Lecharny, J B, Hamon, M, Sévoz, C

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Computer analysis of cardiovascular changes during sleep-wake cycle in Sprague-Dawley rats by Lacombe, J, Nosjean, A, Meunier, J M, Laguzzi, R

“…Blood pressure (BP) and heart rate (HR) were recorded in seven Sprague-Dawley rats during a total of 491 normal sleep-wake cycles with the use of a…”
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Activation of nucleus tractus solitarius 5‐HT 2A but not other 5‐HT 2 receptor subtypes inhibits the sympathetic activity in rats by Comet, M.‐A., Bernard, J. F., Hamon, M., Laguzzi, R., Sévoz‐Couche, C.

“…Our first aim was to elucidate the mechanisms underlying the hypotensive response elicited by 5‐HT 2 receptor activation in the nucleus tractus solitarius…”
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Activation of nucleus tractus solitarius 5-HT sub(2A) but not other 5-HT sub(2) receptor subtypes inhibits the sympathetic activity in rats by Comet, M-A, Bernard, J F, Hamon, M, Laguzzi, R, Sevoz-Couche, C

“…Our first aim was to elucidate the mechanisms underlying the hypotensive response elicited by 5-HT sub(2) receptor activation in the nucleus tractus solitarius…”
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