Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0033377 (prolapse)
 11,717 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The pharmacological profile of a new bicyclic substance, Lu 10-171 (1-(3-(dimethylamino)propyl)-1-(p-fluorophenyl)-5-phthalancarbonitril), is described and compared with that of existing tricyclic thymoleptics. In mice and rats the compound exhibited marked 5-HT potentiating properties both in vivo and in vitro, being 5-10 times as active as chlorimipramine. The tests included 5-HT-, 5-HTP- and tryptophan-potentiation. In monoamine oxidase inhibitor treated dogs and rabbits the compound caused a marked hyperthermia. In rabbits this effect was completely blocked by pretreatment with the tryptophan hydroxylase inhibitor, p-chlorophenylalanine. Hyperthermia induced by the central catecholamine displacing substance H 77/77 in rats was not affected by Lu 10-171, whereas the substance abolished the temperature rise induced by H 75/12. Reserpine- and tetrabenazine-induced ptosis and tetrabenazine-induced immobility in mice were antagonized by relatively low doses of existing tricyclic thymoleptics, whereas Lu 10-171 was very weak in this respect. Very weak in vitro anticholinergic and antihistaminergic properties were also registered for Lu 10-171. It is concluded that Lu 10-171 is a very potent and highly specific potentiator of 5-HT both in vivo and in vitro probably due to inhibition of 5-HT uptake. Thus this compound might be a useful agent in studying the role of 5-HT neurone systems in the control of mood. The substance does not possess the NA potentiating and anticholinergic and antihistaminergic properties characteristic of the tricyclic antidepressants.
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PMID:Pharmacology of a new phthalane (Lu 10-171), with specific 5-HT uptake inhibiting properties. 1 88