Results 171 to 180 of about 130,584 (225)
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Interaction between serotonin uptake inhibitors and alpha-2 adrenergic heteroreceptors in the rat hypothalamus.

The Journal of Pharmacology and Experimental Therapeutics, 1990
The effectiveness of presynaptic receptor agonists to inhibit the electrically evoked release of [3H]monoamines from brain slices is attenuated in the presence of blockade of neuronal uptake for the serotonin (5-HT) and the norepinephrine (NE) systems.
P, Blier, A M, Galzin, S Z, Langer
openaire   +3 more sources

Canine cataplexy is preferentially controlled by adrenergic mechanisms: evidence using monoamine selective uptake inhibitors and release enhancers

Psychopharmacology, 1993
Narcolepsy is currently treated with anti-depressants to control REM-related symptoms such as cataplexy and with amphetamine-like stimulants for the management of sleepiness. Both stimulant and antidepressant drugs presynaptically enhance monoaminergic transmission but both classes of compounds lack pharmacological specificity.
E, Mignot   +5 more
openaire   +3 more sources

Effect of neuronal uptake inhibitors on the adrenergic-neuron blockade produced by guanethidine in rabbit vas deferens

Canadian Journal of Physiology and Pharmacology, 1977
The effect of neuronal-uptake inhibitors on the guanethidine-induced inhibition of responses of rabbit vas deferens to transmural stimulation was investigated. The twitch and sustained reponses were inhibited by about 70% by 1.2 × 10−5 M guanethidine.
L J, Huston, D S, Golko, D M, Paton
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Effects of Some Metabolic Co‐Factors and Inhibitors on Transmitter Release and Uptake in Isolated Adrenergic Nerve Granules

Acta Physiologica Scandinavica, 1969
AbstractVarious nucleotides and metabolic inhibitors have been tested on the release, reuptake and net uptake of noradrenaline (NA) in isolated splenic nerve granules. Cytidine, inosine, and uridine triphosphate facilitated uptake of NA to a similar degree as adenosine diphosphate but less than adenosine triphosphate.
U S, von Euler, F, Lishajko
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CONFORMATIONAL SIMILARITIES BETWEEN MOLECULAR MODELS OF PHENETHYLAMINE AND OF POTENT INHIBITORS OF THE UPTAKE OF TRITIATED NOREPINEPHRINE BY ADRENERGIC NERVES IN RABBIT AORTA

The Journal of Pharmacology and Experimental Therapeutics, 1970
Tricycic antidepressants, deoxypipradrol, methylphenidate and cocaine are competitive inhibitors of the uptake of norepinephrine by rabbit aortic strips. All have pKa. values greater than 8.5 and, therefore, are greater than 90% protonated and positively
R E, Maxwell   +4 more
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Napamezole, an alpha-2 adrenergic receptor antagonist and monoamine uptake inhibitor in vitro.

The Journal of Pharmacology and Experimental Therapeutics, 1990
Napamezole (2-[3,4-dihydro-2-naphthalenyl)methyl]-4,5-dihydro-1H- imidazole-monohydrochloride) is a selective alpha-2 adrenergic receptor antagonist and a monoamine re-uptake inhibitor in vitro. The alpha adrenergic antagonist activity of napamezole was determined in vitro in rat brain receptor binding assay using [3H]clonidine and [3H]prazosin for ...
M H, Perrone   +3 more
openaire   +2 more sources

Decreased beta-adrenergic receptors in rat brain after chronic administration of the selective serotonin uptake inhibitor fluoxetine

Psychopharmacology, 1988
Fluoxetine, a novel antidepressant compound that potently and selectively inhibits serotonin uptake, was chronically administered to laboratory rats. Using in vitro receptor autoradiographic techniques, we found that the binding of [3H]-dihydroalprenolol [( 3H]-DHA) decreased significantly in frontal cortex layers.
W F, Byerley   +5 more
openaire   +2 more sources

Enhancement of the responsiveness of cortical adrenergic receptors by chronic administration of the 5‐hydroxytryptamine uptake inhibitor citalopram.

Journal of Neurochemistry, 1993
Abstract: The aim of this study was to evaluate the effect of citalopram, a second generation antidepressant agent producing no β‐down‐regulation, on the receptors and second messenger systems related to noradrenergic transmission in the cerebral cortex of the rat.
I, Nalepa, J, Vetulani
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Chronic administration of sertraline, a selective serotonin uptake inhibitor, decreased the density of β-adrenergic receptors in rat frontoparietal cortex

Brain Research, 1987
Sertraline, a potent and selective inhibitor of serotonin uptake, was chronically administered to laboratory rats. Using in vitro receptor autoradiographic techniques, we found that the binding of [3H]dihydroalprenolol ([3H]DHA) was reduced in cortex layers IV-VI.
W F, Byerley   +5 more
openaire   +2 more sources

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