Effect of suloctidil on dopaminergic transmission in various rat brain areas: possible uses as drug for the elderly. 1983

O Montefusco, and C Missale, and S Govoni, and R Rozzini, and M Trabucchi

Suloctidil is a drug used in the elderly endowed with a mechanism of action at neuronal level which has not been completely explored. The results of the present study indicate that acute treatment with suloctidil induces a decrease of serum prolactin levels and a decrease of 3,4-diidroxyphenylacetic acid concentrations in various rat brain areas. In addition, the repeated injection of small Suloctidil doses produces a down-regulation of dopaminergic receptors. These data suggest that Suloctidil has dopamino-mimetic properties in vivo. This pharmacological activity may be of importance in the clinical action of Suloctidil in the elderly.

UI MeSH Term Description Entries
D008297 Male Males
D009435 Synaptic Transmission The communication from a NEURON to a target (neuron, muscle, or secretory cell) across a SYNAPSE. In chemical synaptic transmission, the presynaptic neuron releases a NEUROTRANSMITTER that diffuses across the synaptic cleft and binds to specific synaptic receptors, activating them. The activated receptors modulate specific ion channels and/or second-messenger systems in the postsynaptic cell. In electrical synaptic transmission, electrical signals are communicated as an ionic current flow across ELECTRICAL SYNAPSES. Neural Transmission,Neurotransmission,Transmission, Neural,Transmission, Synaptic
D011412 Propanolamines AMINO ALCOHOLS containing the propanolamine (NH2CH2CHOHCH2) group and its derivatives. Aminopropanols
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D011954 Receptors, Dopamine Cell-surface proteins that bind dopamine with high affinity and trigger intracellular changes influencing the behavior of cells. Dopamine Receptors,Dopamine Receptor,Receptor, Dopamine
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013468 Suloctidil A peripheral vasodilator that was formerly used in the management of peripheral and cerebral vascular disorders. It is hepatotoxic and fatalities have occurred. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1312) CP-556S,Suloctidil Hydrochloride
D015102 3,4-Dihydroxyphenylacetic Acid A deaminated metabolite of LEVODOPA. DOPAC,Homoprotocatechuic Acid,3,4-Dihydroxyphenylacetic Acid, Monosodium Salt,3,4 Dihydroxyphenylacetic Acid

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