5-hydroxytryptamine
Studies of Platelet 5 Hydroxytryptamine (Serotonin) in Storage Pool Disease and Albinism
... platelet 5-hydroxytryptamine (5-HT) levels were reduced in proportion to the reduction in ATP (r = ...of 5-HT by the platelet dense ...of 5- HT ...storing 5-HT is decreased in ...
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Original Article 5-Hydroxytryptamine inhibits neuronal high-voltage-activated calcium currents in the preoptic anterior hypothalamus via 5-hydroxytryptamine 1A and 7 receptors
... Abstract: 5-Hydroxytryptamine (5-HT) is involved in mammalian thermoregulation of the preoptic anterior hypothala- mus (PO/AH), but the underlying molecular mechanisms are not fully ...of 5-HT ...
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Aggregating platelets contract isolated canine pulmonary arteries by releasing 5 hydroxytryptamine
... and 5-hydroxytryptamine on pulmonary arterial smooth muscle, rings of canine pulmonary arteries, with and without endothelium, were studied under isometric conditions in physiological salt ...solution. ...
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Cardiac Performance in Response to Loading Pressures and Perfusion with 5 Hydroxytryptamine in the Isolated Heart of Busycon Canaliculatum (Gastropoda, Prosobranchia)
... Changes in the pressure pulse amplitude O and duration • in response to different concentrations of 5-hydroxytryptamine 5-HT when the heart was perfused at a constant preload value of [r] ...
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Localization and release of 5 hydroxytryptamine in the crayfish eyestalk
... (L-TRP), 5- hydroxytryptophan (5-OH-TRP), 5-hydroxytryptamine (5- HT), 5-hydroxytryptophol (5-HTPH), N-acetylserotonin (NA- 5-HT), 5-hydroxy-indole-3-acetic ...
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The role of 5-hydroxytryptamine receptors in central cardiovascular regulation in rats and cats
... of 5-hydroxytryptamine (5-HT) to the lateral cerebral ventricle of the rat and cat causes a pressor ...the 5-HT receptor(s) mediating this response are ...for 5-HT receptors, the ...
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Modulation of electrical activity by 5 hydroxytryptamine in crayfish neurosecretory cells
... experiment. 5-HT (Sigma) and methysergide (Research Biochemicals International) were freshly prepared in normal saline solution at the time of experiments and were applied either by perfusion to the recording ...
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The dopamine and 5 hydroxytryptamine content of locust and cockroach salivary neurones
... The SN2 neurones in the cockroach showed no catecholamine fluorescence following glyoxylic acid treatment and, in contrast to locust SN2 neurones, radioenzymatic assay indicated that 5-H[r] ...
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Neuromodulation by 5 hydroxytryptamine in the antennal lobe of the sphinx moth Manduca sexta
... of 5-HT appeared within a few seconds and reached their maximum within 3 min after the onset of application of ...of 5-HT at this concentration was observed if the amine was applied continuously over a ...
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The effect of serotonin (5 hydroxytryptamine) and derivatives on guanosine 3',5' monophosphate in human monocytes
... From the experiments reported here it may be concluded that serotonin, melatonin, and certain of their derivatives can induce accumulation of cGMP but not cAMP in the adherent mononuclea[r] ...
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The Occurrence of 5 Hydroxytryptamine in Scorpion Venom
... This paper is concerned with the methods of identification and assay of this substance in venom, and also considers the histochemistry of the venom gland in relation to this rinding.. ME[r] ...
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The effects of 5-hydroxytryptamine on rat dorsal vagal preganglionic motoneurones in vitro
... DVM s exhibited on-going activity (Travagli, Gillis, Rossiter and Vicini, 1991). The firing frequencies of these neurones ranged between 0.5 and 5 Hz. The on going activity or the activity evoked by depolarizing ...
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Gene expression in lungs of mice lacking the 5-hydroxytryptamine transporter gene
... Half of these genes fell into one of two broad gene ontol- ogy groups; stress response and immune related genes, and genes related to muscle structure, vasoreactivity, or actin dynamics (Figure 1, Additional File 2). ...
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The Mode of Action Of 5 Hydroxytryptamine
... The specificity of the molecule depends on 1 a precise interaction between the indole ring and the hydrophobic site presumably by van der Waal's forces small arrows, and 2 hydrogen bondi[r] ...
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HISTAMINE AND 5 HYDROXYTRYPTAMINE IN THE BLOOD OF INFANTS AND CHILDREN
... All our children with eosinophilia had abnormally large amounts of histamine in the blood, but this is by no means always the case 20, and the varying quantities found by other workers i[r] ...
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Modulation of crayfish retinal sensitivity by 5 hydroxytryptamine
... MODULATION OF CRAYFISH RETINAL SENSITIVITY BY 5-HYDROXYTRYPTAMTNE BY HUGO ARECHIGA, ENRIQUE BANUELOS*, EUGENIO FRIXIONE, ARTURO PICONES AND LEONARDO RODRtGUEZ-SOSAf Departamento de Fisio[r] ...
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Characterization of 5 hydroxytryptamine receptors in the snail, 'Helix aspersa'
... olluscan, 5-HT receptor characterization have been overlooked in favour of the more financially rewarding vertebrate 5-HT receptor ...of 5-HT rather than the 5-HT receptor ...the 5-HT ...
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The properties of 5 hydroxytryptamine and dopamine containing neurones in pulmonates
... The presence of a specific release mechanism Gerschenfeld and Stefani I968 have reported an increase in release of 5-HT by the central ganglia of Cryptomphallus aspersa in response to el[r] ...
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5 Hydroxytryptamine: a second diuretic hormone in Rhodnius prolixus
... OVERTON 1 1 Department of Zoology, Downing Street, Cambridge, CB2 3EJ, England, 2 Department of Genetics and Cell Biology, University of Minnesota, St Paul, MN 55414, USA and 3'School of[r] ...
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A physiological and pharmacological study of 5 hydroxytryptamine on hearts of mollusca bivalvia
... Perhaps, in the examination of the known G-protein coupled 5-HT receptors and as new ones are identified, a variety of methods could be employed to study these receptors. Along with the different patch-clamp ...
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