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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Studies of the pharmacology of a new antidepressant, S1694.

A new antidepressive drug, S1694, produces increased locomotor activity (LA) in mice, but less so than d-amphetamine. This effect is decreased by pimozide, phenoxybenzamine, as well as by pretreatment of the animals with reserpine or alpha-methyl-p-tyrosine methyl ester ( H44/68). S1694 inhibits active dopamine (DA) uptake into rat striatal synaptosomes, but not noradrenaline (NA) uptake into rat hypothalamic synaptosomes, or serotonin (5-HT) uptake into rat midbrain synaptosomes, in the concentrations used. The inhibition of DA uptake appears tp be competitive and the inhibition constant estimated is 1,3 X 10(-6) M. In addition, S1694 releases DA in the same concentrations, and NA as well as 5HT at higher concentrations. It is concluded that S1694 activates LA primarily by inhibitionof DA re-uptake and DA release. The central DA system activation may be important in the antidepressive effect.[1]


  1. Studies of the pharmacology of a new antidepressant, S1694. Offermeier, J., Potgieter, B., Du Preez, H.G., Meiring, P.J. S. Afr. Med. J. (1977) [Pubmed]
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